4coder/4ed_file_view.cpp

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/*
* Mr. 4th Dimention - Allen Webster
*
* 19.08.2015
*
* File editing view for 4coder
*
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*/
// TOP
internal i32
get_or_add_map_index(Models *models, i32 mapid){
i32 result = 0;
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i32 user_map_count = models->user_map_count;
i32 *map_id_table = models->map_id_table;
for (result = 0; result < user_map_count; ++result){
if (map_id_table[result] == mapid){
break;
}
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if (map_id_table[result] == -1){
map_id_table[result] = mapid;
break;
}
}
return(result);
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}
internal i32
get_map_index(Models *models, i32 mapid){
i32 result = 0;
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i32 user_map_count = models->user_map_count;
i32 *map_id_table = models->map_id_table;
for (result = 0; result < user_map_count; ++result){
if (map_id_table[result] == mapid){
break;
}
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if (map_id_table[result] == 0){
result = user_map_count;
break;
}
}
return(result);
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}
internal Command_Map*
get_map_base(Models *models, i32 mapid, b32 add){
Command_Map *map = 0;
if (mapid < mapid_global){
if (add){
mapid = get_or_add_map_index(models, mapid);
}
else{
mapid = get_map_index(models, mapid);
}
if (mapid < models->user_map_count){
map = models->user_maps + mapid;
}
}
else if (mapid == mapid_global){
map = &models->map_top;
}
else if (mapid == mapid_file){
map = &models->map_file;
}
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return(map);
}
internal Command_Map*
get_or_add_map(Models *models, i32 mapid){
Command_Map *map = get_map_base(models, mapid, 1);
return(map);
}
internal Command_Map*
get_map(Models *models, i32 mapid){
Command_Map *map = get_map_base(models, mapid, 0);
return(map);
}
internal void
map_set_count(Models *models, i32 mapid, u32 count){
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Command_Map *map = get_or_add_map(models, mapid);
Assert(map->commands == 0);
map->count = count;
if (map->max < count){
map->max = count;
}
}
internal u32
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map_get_count(Models *models, i32 mapid){
Command_Map *map = get_or_add_map(models, mapid);
u32 count = map->count;
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Assert(map->commands == 0);
return(count);
}
internal u32
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map_get_max_count(Models *models, i32 mapid){
Command_Map *map = get_or_add_map(models, mapid);
u32 count = map->max;
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return(count);
}
enum Interactive_Action{
IAct_Open,
IAct_Save_As,
IAct_New,
IAct_Switch,
IAct_Kill,
IAct_Sure_To_Kill,
IAct_Sure_To_Close
};
enum Interactive_Interaction{
IInt_Sys_File_List,
IInt_Live_File_List,
IInt_Sure_To_Kill,
IInt_Sure_To_Close
};
enum View_UI{
VUI_None,
VUI_Theme,
VUI_Interactive,
VUI_Menu,
VUI_Config,
VUI_Debug
};
enum Debug_Mode{
DBG_Input,
DBG_Threads_And_Memory,
DBG_View_Inspection
};
enum Color_View_Mode{
CV_Mode_Library,
CV_Mode_Font,
CV_Mode_Global_Font,
CV_Mode_Adjusting
};
struct File_Viewing_Data{
Editing_File *file;
Full_Cursor temp_highlight;
i32 temp_highlight_end_pos;
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b32 show_temp_highlight;
b32 show_whitespace;
b32 file_locked;
};
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static File_Viewing_Data null_file_viewing_data = {0};
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struct Scroll_Context{
Editing_File *file;
GUI_id scroll;
View_UI mode;
};
inline b32
context_eq(Scroll_Context a, Scroll_Context b){
b32 result = 0;
if (gui_id_eq(a.scroll, b.scroll)){
if (a.file == b.file){
if (a.mode == b.mode){
result = 1;
}
}
}
return(result);
}
struct View_Persistent{
i32 id;
Coroutine *coroutine;
Event_Message message_passing_slot;
// TODO(allen): eliminate this models pointer: explicitly parameterize.
Models *models;
};
struct Debug_Vars{
i32 mode;
i32 inspecting_view_id;
};
global_const Debug_Vars null_debug_vars = {0};
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struct View{
View_Persistent persistent;
View *next, *prev;
Panel *panel;
b32 in_use;
Command_Map *map;
File_Viewing_Data file_data;
i32_Rect file_region_prev;
i32_Rect file_region;
i32_Rect scroll_region;
File_Edit_Positions *edit_pos;
View_UI showing_ui;
GUI_Target gui_target;
void *gui_mem;
GUI_Scroll_Vars gui_scroll;
i32 gui_max_y;
i32 list_i;
b32 hide_scrollbar;
// interactive stuff
Interactive_Interaction interaction;
Interactive_Action action;
char dest_[256];
String dest;
b32 changed_context_in_step;
// theme stuff
View *hot_file_view;
u32 *palette;
Color_View_Mode color_mode;
Super_Color color;
b32 p4c_only;
Style_Library inspecting_styles;
b8 import_export_check[64];
i32 import_file_id;
i32 current_color_editing;
i32 color_cursor;
// misc
// TODO(allen): Can we burn line_height to the ground now?
// It's what I've always wanted!!!! :D
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i32 line_height;
// TODO(allen): Do I still use mode?
Query_Set query_set;
f32 widget_height;
b32 reinit_scrolling;
Debug_Vars debug_vars;
};
inline void*
get_view_body(View *view){
char *result = (char*)view;
result += sizeof(View_Persistent);
return(result);
}
inline i32
get_view_size(){
return(sizeof(View) - sizeof(View_Persistent));
}
// TODO(past-allen): Switch over to using an i32 for these.
inline f32
view_width(View *view){
i32_Rect file_rect = view->file_region;
f32 result = (f32)(file_rect.x1 - file_rect.x0);
return (result);
}
inline f32
view_file_display_width(View *view){
Editing_File *file = view->file_data.file;
f32 result = (f32)file->settings.display_width;
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return(result);
}
inline f32
view_file_minimum_base__width(View *view){
Editing_File *file = view->file_data.file;
f32 result = (f32)file->settings.display_width;
return(result);
}
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inline f32
view_file_height(View *view){
i32_Rect file_rect = view->file_region;
f32 result = (f32)(file_rect.y1 - file_rect.y0);
return (result);
}
inline i32
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view_get_cursor_pos(View *view){
i32 result = 0;
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if (view->file_data.show_temp_highlight){
result = view->file_data.temp_highlight.pos;
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}
else if (view->edit_pos){
result = view->edit_pos->cursor.pos;
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}
return(result);
}
inline f32
view_get_cursor_x(View *view){
f32 result = 0;
Full_Cursor *cursor = 0;
if (view->file_data.show_temp_highlight){
cursor = &view->file_data.temp_highlight;
}
else if (view->edit_pos){
cursor = &view->edit_pos->cursor;
}
if (cursor){
result = cursor->wrapped_x;
if (view->file_data.file->settings.unwrapped_lines){
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result = cursor->unwrapped_x;
}
}
return(result);
}
inline f32
view_get_cursor_y(View *view){
f32 result = 0;
Full_Cursor *cursor = 0;
if (view->file_data.show_temp_highlight){
cursor = &view->file_data.temp_highlight;
}
else if (view->edit_pos){
cursor = &view->edit_pos->cursor;
}
if (cursor){
result = cursor->wrapped_y;
if (view->file_data.file->settings.unwrapped_lines){
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result = cursor->unwrapped_y;
}
}
return(result);
}
struct Cursor_Limits{
f32 min, max;
f32 delta;
};
inline Cursor_Limits
view_cursor_limits(View *view){
Cursor_Limits limits = {0};
f32 line_height = (f32)view->line_height;
f32 visible_height = view_file_height(view);
limits.max = visible_height - line_height*3.f;
limits.min = line_height * 2;
if (limits.max - limits.min <= line_height){
if (visible_height >= line_height){
limits.max = visible_height - line_height;
limits.min = -line_height;
}
else{
limits.max = visible_height;
limits.min = -line_height;
}
}
limits.max = (limits.max > 0)?(limits.max):(0);
limits.min = (limits.min > 0)?(limits.min):(0);
limits.delta = clamp_top(line_height*3.f, (limits.max - limits.min)*.5f);
return(limits);
}
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internal Full_Cursor
view_compute_cursor(System_Functions *system, View *view, Buffer_Seek seek, b32 return_hint){
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Editing_File *file = view->file_data.file;
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Render_Font *font = system->font.get_render_data_by_id(file->settings.font_id);
Assert(font != 0);
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Full_Cursor result = {0};
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Buffer_Cursor_Seek_Params params;
params.buffer = &file->state.buffer;
params.seek = seek;
params.system = system;
params.font = font;
params.wrap_line_index = file->state.wrap_line_index;
params.character_starts = file->state.character_starts;
params.virtual_white = file->settings.virtual_white;
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params.return_hint = return_hint;
params.cursor_out = &result;
Buffer_Cursor_Seek_State state = {0};
Buffer_Layout_Stop stop = {0};
i32 size = buffer_size(params.buffer);
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f32 line_shift = 0.f;
b32 do_wrap = 0;
i32 wrap_unit_end = 0;
b32 first_wrap_determination = 1;
i32 wrap_array_index = 0;
do{
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stop = buffer_cursor_seek(&state, params, line_shift, do_wrap, wrap_unit_end);
switch (stop.status){
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case BLStatus_NeedWrapDetermination:
{
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if (stop.pos >= size){
do_wrap = 0;
wrap_unit_end = max_i32;
}
else{
if (first_wrap_determination){
wrap_array_index = binary_search(file->state.wrap_positions, stop.pos, 0, file->state.wrap_position_count);
++wrap_array_index;
if (file->state.wrap_positions[wrap_array_index] == stop.pos){
do_wrap = 1;
wrap_unit_end = file->state.wrap_positions[wrap_array_index];
}
else{
do_wrap = 0;
wrap_unit_end = file->state.wrap_positions[wrap_array_index];
}
first_wrap_determination = 0;
}
else{
assert(stop.pos == wrap_unit_end);
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do_wrap = 1;
++wrap_array_index;
wrap_unit_end = file->state.wrap_positions[wrap_array_index];
}
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}
}break;
case BLStatus_NeedWrapLineShift:
case BLStatus_NeedLineShift:
{
line_shift = file->state.line_indents[stop.wrap_line_index];
}break;
}
}while(stop.status != BLStatus_Finished);
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return(result);
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}
inline Full_Cursor
view_compute_cursor_from_xy(System_Functions *system, View *view, f32 seek_x, f32 seek_y){
Buffer_Seek seek;
if (view->file_data.file->settings.unwrapped_lines){
seek = seek_unwrapped_xy(seek_x, seek_y, 0);
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}
else{
seek = seek_wrapped_xy(seek_x, seek_y, 0);
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}
Full_Cursor result = view_compute_cursor(system, view, seek, 0);
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return(result);
}
inline i32
view_compute_max_target_y(i32 lowest_line, i32 line_height, f32 view_height){
f32 max_target_y = ((lowest_line+.5f)*line_height) - view_height*.5f;
max_target_y = clamp_bottom(0.f, max_target_y);
return(ceil32(max_target_y));
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}
internal i32
file_compute_lowest_line(Editing_File *file, f32 font_height){
i32 lowest_line = 0;
Gap_Buffer *buffer = &file->state.buffer;
if (file->settings.unwrapped_lines){
lowest_line = buffer->line_count;
}
else{
lowest_line = file->state.wrap_line_index[buffer->line_count];
}
return(lowest_line);
}
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inline i32
view_compute_max_target_y(View *view){
i32 line_height = view->line_height;
i32 lowest_line = file_compute_lowest_line(view->file_data.file, (f32)line_height);
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f32 view_height = clamp_bottom((f32)line_height, view_file_height(view));
i32 max_target_y = view_compute_max_target_y(lowest_line, line_height, view_height);
return(max_target_y);
}
internal b32
view_move_view_to_cursor(View *view, GUI_Scroll_Vars *scroll, b32 center_view){
b32 result = 0;
f32 max_x = view_width(view);
i32 max_y = view_compute_max_target_y(view);
f32 cursor_y = view_get_cursor_y(view);
f32 cursor_x = view_get_cursor_x(view);
GUI_Scroll_Vars scroll_vars = *scroll;
i32 target_y = scroll_vars.target_y;
i32 target_x = scroll_vars.target_x;
Cursor_Limits limits = view_cursor_limits(view);
if (cursor_y > target_y + limits.max){
if (center_view){
target_y = round32(cursor_y - limits.max*.5f);
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}
else{
target_y = ceil32(cursor_y - limits.max + limits.delta);
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}
}
if (cursor_y < target_y + limits.min){
if (center_view){
target_y = round32(cursor_y - limits.max*.5f);
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}
else{
target_y = floor32(cursor_y - limits.delta - limits.min);
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}
}
target_y = clamp(0, target_y, max_y);
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if (cursor_x >= target_x + max_x){
target_x = ceil32(cursor_x - max_x/2);
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}
else if (cursor_x < target_x){
target_x = floor32(Max(0, cursor_x - max_x/2));
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}
if (target_x != scroll_vars.target_x || target_y != scroll_vars.target_y){
scroll->target_x = target_x;
scroll->target_y = target_y;
result = 1;
}
return(result);
}
internal b32
view_move_cursor_to_view(System_Functions *system, View *view, GUI_Scroll_Vars scroll, Full_Cursor *cursor, f32 preferred_x){
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b32 result = 0;
if (view->edit_pos){
i32 line_height = view->line_height;
f32 old_cursor_y = cursor->wrapped_y;
if (view->file_data.file->settings.unwrapped_lines){
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old_cursor_y = cursor->unwrapped_y;
}
f32 cursor_y = old_cursor_y;
f32 target_y = scroll.target_y + view->widget_height;
Cursor_Limits limits = view_cursor_limits(view);
if (cursor_y > target_y + limits.max){
cursor_y = target_y + limits.max;
}
if (target_y != 0 && cursor_y < target_y + limits.min){
cursor_y = target_y + limits.min;
}
if (cursor_y != old_cursor_y){
if (cursor_y > old_cursor_y){
cursor_y += line_height;
}
else{
cursor_y -= line_height;
}
*cursor = view_compute_cursor_from_xy(system, view, preferred_x, cursor_y);
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result = 1;
}
}
return(result);
}
internal void
view_set_cursor(View *view, Full_Cursor cursor, b32 set_preferred_x, b32 unwrapped_lines){
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if (edit_pos_move_to_front(view->file_data.file, view->edit_pos)){
edit_pos_set_cursor(view->edit_pos, cursor, set_preferred_x, unwrapped_lines);
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GUI_Scroll_Vars scroll = view->edit_pos->scroll;
if (view_move_view_to_cursor(view, &scroll, 0)){
view->edit_pos->scroll = scroll;
}
}
}
internal void
view_set_scroll(System_Functions *system, View *view, GUI_Scroll_Vars scroll){
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if (edit_pos_move_to_front(view->file_data.file, view->edit_pos)){
edit_pos_set_scroll(view->edit_pos, scroll);
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Full_Cursor cursor = view->edit_pos->cursor;
if (view_move_cursor_to_view(system, view, view->edit_pos->scroll, &cursor, view->edit_pos->preferred_x)){
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view->edit_pos->cursor = cursor;
}
}
}
internal void
view_set_cursor_and_scroll(View *view, Full_Cursor cursor, b32 set_preferred_x, b32 unwrapped_lines, GUI_Scroll_Vars scroll){
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File_Edit_Positions *edit_pos = view->edit_pos;
if (edit_pos_move_to_front(view->file_data.file, edit_pos)){
edit_pos_set_cursor(edit_pos, cursor, set_preferred_x, unwrapped_lines);
edit_pos_set_scroll(edit_pos, scroll);
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edit_pos->last_set_type = EditPos_None;
}
}
inline void
view_set_temp_highlight(System_Functions *system, View *view, i32 pos, i32 end_pos){
view->file_data.temp_highlight = view_compute_cursor(system, view, seek_pos(pos), 0);
view->file_data.temp_highlight_end_pos = end_pos;
view->file_data.show_temp_highlight = 1;
view_set_cursor(view, view->file_data.temp_highlight, 0, view->file_data.file->settings.unwrapped_lines);
}
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struct View_And_ID{
View *view;
i32 id;
};
struct Live_Views{
View *views;
View free_sentinel;
i32 count, max;
};
enum Lock_Level{
LockLevel_Open = 0,
LockLevel_Protected = 1,
LockLevel_Hidden = 2
};
inline u32
view_lock_flags(View *view){
u32 result = AccessOpen;
File_Viewing_Data *data = &view->file_data;
if (view->showing_ui != VUI_None){
result |= AccessHidden;
}
if (data->file_locked ||
(data->file && data->file->settings.read_only)){
result |= AccessProtected;
}
return(result);
}
inline i32
view_lock_level(View *view){
i32 result = LockLevel_Open;
u32 flags = view_lock_flags(view);
if (flags & AccessHidden){
result = LockLevel_Hidden;
}
else if (flags & AccessProtected){
result = LockLevel_Protected;
}
return(result);
}
struct View_Iter{
View *view;
Editing_File *file;
View *skip;
Panel *used_panels;
Panel *panel;
};
internal View_Iter
file_view_iter_next(View_Iter iter){
View *view;
for (iter.panel = iter.panel->next; iter.panel != iter.used_panels; iter.panel = iter.panel->next){
view = iter.panel->view;
if (view != iter.skip && (view->file_data.file == iter.file || iter.file == 0)){
iter.view = view;
break;
}
}
return(iter);
}
internal View_Iter
file_view_iter_init(Editing_Layout *layout, Editing_File *file, View *skip){
View_Iter result;
result.used_panels = &layout->used_sentinel;
result.panel = result.used_panels;
result.file = file;
result.skip = skip;
result = file_view_iter_next(result);
return(result);
}
internal b32
file_view_iter_good(View_Iter iter){
b32 result = (iter.panel != iter.used_panels);
return(result);
}
inline b32
starts_new_line(u8 character){
return (character == '\n');
}
inline void
file_synchronize_times(System_Functions *system, Editing_File *file){
file->state.dirty = DirtyState_UpToDate;
}
internal b32
save_file_to_name(System_Functions *system, Models *models, Editing_File *file, char *filename){
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b32 result = 0;
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b32 using_actual_filename = false;
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if (!filename){
terminate_with_null(&file->canon.name);
filename = file->canon.name.str;
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using_actual_filename = true;
}
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if (filename){
Mem_Options *mem = &models->mem;
if (models->hook_save_file){
models->hook_save_file(&models->app_links, file->id.id);
}
i32 max = 0, size = 0;
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b32 dos_write_mode = file->settings.dos_write_mode;
char *data = 0;
Gap_Buffer *buffer = &file->state.buffer;
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if (dos_write_mode){
max = buffer_size(buffer) + buffer->line_count + 1;
}
else{
max = buffer_size(buffer);
}
b32 used_general = 0;
Temp_Memory temp = begin_temp_memory(&mem->part);
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char empty = 0;
if (max == 0){
data = &empty;
}
else{
data = (char*)push_array(&mem->part, char, max);
if (!data){
used_general = 1;
data = (char*)general_memory_allocate(&mem->general, max);
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}
}
Assert(data != 0);
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if (dos_write_mode){
size = buffer_convert_out(buffer, data, max);
}
else{
size = max;
buffer_stringify(buffer, 0, size, data);
}
if (!using_actual_filename && file->canon.name.str != 0){
char space[512];
u32 length = str_size(filename);
system->get_canonical(filename, length, space, sizeof(space));
char *source_path = file->canon.name.str;
if (match(space, source_path)){
using_actual_filename = true;
}
}
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result = system->save_file(filename, data, size);
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if (result && using_actual_filename){
file->state.ignore_behind_os = true;
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}
file_mark_clean(file);
if (used_general){
general_memory_free(&mem->general, data);
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}
end_temp_memory(temp);
file_synchronize_times(system, file);
}
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return(result);
}
inline b32
save_file(System_Functions *system, Models *models, Editing_File *file){
b32 result = save_file_to_name(system, models, file, 0);
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return(result);
}
internal b32
buffer_link_to_new_file(System_Functions *system, General_Memory *general, Working_Set *working_set,
Editing_File *file, String filename){
b32 result = 0;
Editing_File_Canon_Name canon_name;
if (get_canon_name(system, &canon_name, filename)){
buffer_unbind_name(working_set, file);
if (file->canon.name.size != 0){
buffer_unbind_file(system, working_set, file);
}
buffer_bind_file(system, general, working_set, file, canon_name.name);
buffer_bind_name(general, working_set, file, filename);
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result = 1;
}
return(result);
}
inline b32
file_save_and_set_names(System_Functions *system, Models *models, Editing_File *file, String filename){
b32 result = buffer_link_to_new_file(system, &models->mem.general, &models->working_set, file, filename);
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if (result){
result = save_file(system, models, file);
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}
return(result);
}
enum{
GROW_FAILED,
GROW_NOT_NEEDED,
GROW_SUCCESS,
};
internal i32
file_grow_starts_as_needed(General_Memory *general, Gap_Buffer *buffer, i32 additional_lines){
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b32 result = GROW_NOT_NEEDED;
i32 max = buffer->line_max;
i32 count = buffer->line_count;
i32 target_lines = count + additional_lines;
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if (target_lines > max || max == 0){
max = l_round_up_i32(target_lines + max, KB(1));
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i32 *new_lines = (i32*)general_memory_reallocate(general, buffer->line_starts, sizeof(i32)*count, sizeof(f32)*max);
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if (new_lines){
result = GROW_SUCCESS;
buffer->line_max = max;
buffer->line_starts = new_lines;
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}
else{
result = GROW_FAILED;
}
}
return(result);
}
internal void
file_update_cursor_positions(System_Functions *system, Models *models, Editing_File *file){
Editing_Layout *layout = &models->layout;
for (View_Iter iter = file_view_iter_init(layout, file, 0);
file_view_iter_good(iter);
iter = file_view_iter_next(iter)){
i32 pos = view_get_cursor_pos(iter.view);
if (!iter.view->file_data.show_temp_highlight){
Full_Cursor cursor = view_compute_cursor(system, iter.view, seek_pos(pos), 0);
view_set_cursor(iter.view, cursor, 1, iter.view->file_data.file->settings.unwrapped_lines);
}
else{
view_set_temp_highlight(system, iter.view, pos, iter.view->file_data.temp_highlight_end_pos);
}
}
}
//
// File Metadata Measuring
//
internal void
file_measure_starts(General_Memory *general, Gap_Buffer *buffer){
if (!buffer->line_starts){
i32 max = buffer->line_max = KB(1);
buffer->line_starts = (i32*)general_memory_allocate(general, max*sizeof(i32));
TentativeAssert(buffer->line_starts);
// TODO(allen): when unable to allocate?
}
Buffer_Measure_Starts state = {0};
while (buffer_measure_starts(&state, buffer)){
i32 count = state.count;
i32 max = buffer->line_max;
max = ((max + 1) << 1);
{
i32 *new_lines = (i32*)general_memory_reallocate(general, buffer->line_starts, sizeof(i32)*count, sizeof(i32)*max);
// TODO(allen): when unable to grow?
TentativeAssert(new_lines);
buffer->line_starts = new_lines;
buffer->line_max = max;
}
}
}
// NOTE(allen): These calls assumes that the buffer's line starts are already correct,
// and that the buffer's line_count is correct.
internal void
file_allocate_metadata_as_needed(General_Memory *general, Gap_Buffer *buffer, void **mem, i32 *mem_max_count, i32 count, i32 item_size){
if (*mem == 0){
i32 max = ((count+1)*2);
max = (max+(0x3FF))&(~(0x3FF));
*mem = general_memory_allocate(general, max*item_size);
*mem_max_count = max;
}
else if (*mem_max_count < count){
i32 old_max = *mem_max_count;
i32 max = ((count+1)*2);
max = (max+(0x3FF))&(~(0x3FF));
void *new_mem = general_memory_reallocate(general, *mem, item_size*old_max, item_size*max);
Assert(new_mem);
*mem = new_mem;
*mem_max_count = max;
}
}
inline void
file_allocate_character_starts_as_needed(General_Memory *general, Editing_File *file){
file_allocate_metadata_as_needed(general, &file->state.buffer, (void**)&file->state.character_starts, &file->state. character_start_max, file->state.buffer.line_count, sizeof(i32));
}
internal void
file_measure_character_starts(System_Functions *system, Models *models, Editing_File *file){
file_allocate_character_starts_as_needed(&models->mem.general, file);
Render_Font *font = system->font.get_render_data_by_id(file->settings.font_id);
buffer_measure_character_starts(system, font, &file->state.buffer, file->state.character_starts, 0, file->settings.virtual_white);
file_update_cursor_positions(system, models, file);
}
internal void
file_allocate_indents_as_needed(General_Memory *general, Editing_File *file, i32 min_last_index){
i32 min_amount = min_last_index + 1;
file_allocate_metadata_as_needed(general, &file->state.buffer, (void**)&file->state.line_indents, &file->state.line_indent_max, min_amount, sizeof(f32));
}
inline void
file_allocate_wraps_as_needed(General_Memory *general, Editing_File *file){
file_allocate_metadata_as_needed(general, &file->state.buffer, (void**)&file->state.wrap_line_index, &file->state.wrap_max, file->state.buffer.line_count, sizeof(f32));
}
inline void
file_allocate_wrap_positions_as_needed(General_Memory *general, Editing_File *file, i32 min_last_index){
i32 min_amount = min_last_index + 1;
file_allocate_metadata_as_needed(general, &file->state.buffer, (void**)&file->state.wrap_positions, &file->state.wrap_position_max, min_amount, sizeof(f32));
}
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struct Code_Wrap_X{
f32 base_x;
f32 paren_nesting[32];
i32 paren_safe_top;
i32 paren_top;
};
global Code_Wrap_X null_wrap_x = {0};
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struct Code_Wrap_State{
Cpp_Token_Array token_array;
Cpp_Token *token_ptr;
Cpp_Token *end_token;
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Code_Wrap_X wrap_x;
b32 in_pp_body;
Code_Wrap_X plane_wrap_x;
i32 *line_starts;
i32 line_index;
i32 next_line_start;
f32 x;
b32 consume_newline;
Gap_Buffer_Stream stream;
i32 size;
i32 i;
Render_Font *font;
f32 tab_indent_amount;
f32 byte_advance;
Translation_State tran;
Translation_Emits emits;
u32 J;
Buffer_Model_Step step;
Buffer_Model_Behavior behavior;
};
internal void
wrap_state_init(System_Functions *system, Code_Wrap_State *state, Editing_File *file, Render_Font *font){
state->token_array = file->state.token_array;
state->token_ptr = state->token_array.tokens;
state->end_token = state->token_ptr + state->token_array.count;
state->line_starts = file->state.buffer.line_starts;
state->next_line_start = state->line_starts[1];
Gap_Buffer *buffer = &file->state.buffer;
i32 size = buffer_size(buffer);
buffer_stringify_loop(&state->stream, buffer, 0, size);
state->size = size;
state->i = 0;
state->font = font;
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state->tab_indent_amount = font_get_glyph_advance(system, font, '\t');
state->byte_advance = font_get_byte_advance(font);
state->tran = null_buffer_translating_state;
}
internal void
wrap_state_set_x(Code_Wrap_State *state, f32 line_shift){
state->x = line_shift;
}
internal void
wrap_state_set_i(Code_Wrap_State *state, i32 i){
state->i = i;
}
internal void
wrap_state_set_top(Code_Wrap_State *state, f32 line_shift){
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if (state->wrap_x.paren_nesting[state->wrap_x.paren_safe_top] > line_shift){
state->wrap_x.paren_nesting[state->wrap_x.paren_safe_top] = line_shift;
}
}
struct Code_Wrap_Step{
i32 position_start;
i32 position_end;
f32 start_x;
f32 final_x;
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Cpp_Token *this_token;
};
internal Code_Wrap_Step
wrap_state_consume_token(System_Functions *system, Render_Font *font, Code_Wrap_State *state, i32 fixed_end_point){
Code_Wrap_Step result = {0};
i32 i = state->i;
result.position_start = i;
if (state->consume_newline){
++i;
state->x = 0;
state->consume_newline = 0;
}
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if (state->in_pp_body){
if (!(state->token_ptr->flags & CPP_TFLAG_PP_BODY)){
state->in_pp_body = 0;
state->wrap_x = state->plane_wrap_x;
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}
}
if (!state->in_pp_body){
if (state->token_ptr->flags & CPP_TFLAG_PP_DIRECTIVE){
state->in_pp_body = 1;
state->plane_wrap_x = state->wrap_x;
state->wrap_x = null_wrap_x;
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}
}
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b32 skipping_whitespace = false;
if (i >= state->next_line_start){
state->x = state->wrap_x.paren_nesting[state->wrap_x.paren_safe_top];
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state->x = state->wrap_x.paren_nesting[state->wrap_x.paren_safe_top];
skipping_whitespace = true;
}
// TODO(allen): exponential search this shit!
while (i >= state->next_line_start){
++state->line_index;
state->next_line_start = state->line_starts[state->line_index + 1];
}
i32 line_start = state->line_starts[state->line_index];
b32 still_looping = 0;
i32 end = state->token_ptr->start + state->token_ptr->size;
if (fixed_end_point >= 0 && end > fixed_end_point){
end = fixed_end_point;
}
i = clamp_top(i, line_start);
if (i == line_start){
skipping_whitespace = true;
}
b32 recorded_start_x = false;
do{
for (; i < state->stream.end; ++i){
if (!(i < end)){
Assert(state->tran.fill_expected == 0);
goto doublebreak;
}
u8 ch = (u8)state->stream.data[i];
translating_fully_process_byte(system, font, &state->tran, ch, i, state->size, &state->emits);
for (TRANSLATION_EMIT_LOOP(state->J, state->emits)){
TRANSLATION_GET_STEP(state->step, state->behavior, state->J, state->emits);
if (state->behavior.do_newline){
state->consume_newline = 1;
goto doublebreak;
}
else if(state->behavior.do_number_advance || state->behavior.do_codepoint_advance){
u32 n = state->step.value;
f32 adv = 0;
if (state->behavior.do_codepoint_advance){
adv = font_get_glyph_advance(system, state->font, n);
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if (n != ' ' && n != '\t'){
skipping_whitespace = false;
}
}
else{
adv = state->byte_advance;
skipping_whitespace = false;
}
if (!skipping_whitespace){
if (!recorded_start_x){
result.start_x = state->x;
recorded_start_x = 1;
}
state->x += adv;
}
}
}
}
still_looping = buffer_stringify_next(&state->stream);
}while(still_looping);
doublebreak:;
state->i = i;
b32 consume_token = 0;
if (i >= state->token_ptr->start + state->token_ptr->size){
consume_token = 1;
}
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result.this_token = state->token_ptr;
if (consume_token){
switch (state->token_ptr->type){
case CPP_TOKEN_BRACE_OPEN:
{
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state->wrap_x.paren_nesting[state->wrap_x.paren_safe_top] += state->tab_indent_amount;
}break;
case CPP_TOKEN_BRACE_CLOSE:
{
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state->wrap_x.paren_nesting[state->wrap_x.paren_safe_top] -= state->tab_indent_amount;
}break;
case CPP_TOKEN_PARENTHESE_OPEN:
case CPP_TOKEN_BRACKET_OPEN:
{
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++state->wrap_x.paren_top;
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i32 top = state->wrap_x.paren_top;
if (top >= ArrayCount(state->wrap_x.paren_nesting)){
top = ArrayCount(state->wrap_x.paren_nesting) - 1;
}
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state->wrap_x.paren_safe_top = top;
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state->wrap_x.paren_nesting[top] = state->x;
}break;
case CPP_TOKEN_PARENTHESE_CLOSE:
case CPP_TOKEN_BRACKET_CLOSE:
{
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--state->wrap_x.paren_top;
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if (state->wrap_x.paren_top < 0){
state->wrap_x.paren_top = 0;
}
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i32 top = state->wrap_x.paren_top;
if (top >= ArrayCount(state->wrap_x.paren_nesting)){
top = ArrayCount(state->wrap_x.paren_nesting) - 1;
}
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state->wrap_x.paren_safe_top = top;
}break;
}
++state->token_ptr;
}
result.position_end = state->i;
result.final_x = state->x;
if (!recorded_start_x){
result.start_x = state->x;
recorded_start_x = 1;
}
return(result);
}
struct Wrap_Indent_Pair{
i32 wrap_position;
f32 line_shift;
};
struct Potential_Wrap_Indent_Pair{
i32 wrap_position;
f32 line_shift;
f32 wrap_x;
i32 wrappable_score;
b32 adjust_top_to_this;
};
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internal i32
2016-10-14 21:21:17 +00:00
stickieness_guess(Cpp_Token_Type type, Cpp_Token_Type other_type, u16 flags, u16 other_flags, b32 on_left){
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i32 guess = 0;
2016-10-10 20:47:09 +00:00
b32 is_words = 0, other_is_words = 0;
if (type == CPP_TOKEN_IDENTIFIER || (type >= CPP_TOKEN_KEY_TYPE && type <= CPP_TOKEN_KEY_OTHER)){
is_words = 1;
}
if (other_type == CPP_TOKEN_IDENTIFIER || (other_type >= CPP_TOKEN_KEY_TYPE && other_type <= CPP_TOKEN_KEY_OTHER)){
other_is_words = 1;
}
2016-10-14 21:21:17 +00:00
b32 is_operator = 0, other_is_operator = 0;
if (flags & CPP_TFLAG_IS_OPERATOR){
is_operator = 1;
}
if (other_flags & CPP_TFLAG_IS_OPERATOR){
other_is_operator = 1;
}
2016-10-10 20:47:09 +00:00
i32 operator_side_bias = 70*(!on_left);
if (is_words && other_is_words){
guess = 200;
}
else if (type == CPP_TOKEN_PARENTHESE_OPEN){
if (on_left){
guess = 100;
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}
else{
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if (other_is_words){
guess = 100;
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}
else{
guess = 0;
}
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}
}
else if (type == CPP_TOKEN_SEMICOLON){
if (on_left){
guess = 0;
}
else{
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guess = 1000;
2016-10-10 20:47:09 +00:00
}
}
else if (type == CPP_TOKEN_COMMA){
guess = 20;
}
2016-10-10 20:47:09 +00:00
else if (type == CPP_TOKEN_COLON ||
type == CPP_TOKEN_PARENTHESE_CLOSE ||
type == CPP_TOKEN_BRACKET_OPEN ||
type == CPP_TOKEN_BRACKET_CLOSE){
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if (on_left){
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guess = 20;
if (other_is_words){
guess = 100;
}
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}
else{
guess = 100;
}
}
else if (type == CPP_PP_DEFINED){
if (on_left){
guess = 100;
}
else{
guess = 0;
}
}
else if (type == CPP_TOKEN_SCOPE){
guess = 90;
}
else if (type == CPP_TOKEN_MINUS){
if (on_left){
guess = 80;
}
else{
guess = 60;
}
}
2016-10-14 21:21:17 +00:00
else if (type == CPP_TOKEN_DOT ||
type == CPP_TOKEN_ARROW){
guess = 200;
}
else if (type == CPP_TOKEN_NOT ||
type == CPP_TOKEN_TILDE){
if (on_left){
guess = 80;
}
else{
guess = 20;
}
}
2016-10-07 01:55:44 +00:00
else if (type == CPP_TOKEN_INCREMENT ||
type == CPP_TOKEN_DECREMENT ||
type == CPP_TOKEN_STAR ||
type == CPP_TOKEN_AMPERSAND ||
(type >= CPP_TOKEN_POSTINC &&
2016-10-14 21:21:17 +00:00
type <= CPP_TOKEN_DELETE_ARRAY)){
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guess = 80;
2016-10-14 21:21:17 +00:00
if (!on_left && other_is_operator){
guess = 20;
}
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}
else if (type >= CPP_TOKEN_MUL && type <= CPP_TOKEN_MOD){
guess = 70;
}
else if (type == CPP_TOKEN_PLUS){
2016-10-10 20:47:09 +00:00
guess = 60 + operator_side_bias;
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}
else if (type >= CPP_TOKEN_LSHIFT && type <= CPP_TOKEN_RSHIFT){
guess = 50;
}
else if (type >= CPP_TOKEN_LESS && type <= CPP_TOKEN_NOTEQ){
2016-10-10 20:47:09 +00:00
guess = 40 + operator_side_bias;
}
else if (type >= CPP_TOKEN_BIT_XOR && type <= CPP_TOKEN_BIT_OR){
2016-10-07 01:55:44 +00:00
guess = 40;
}
2016-10-10 20:47:09 +00:00
else if (type >= CPP_TOKEN_AND && type <= CPP_TOKEN_OR){
guess = 30 + operator_side_bias;
2016-10-07 01:55:44 +00:00
}
2016-10-10 20:47:09 +00:00
else if (type >= CPP_TOKEN_TERNARY_QMARK && type <= CPP_TOKEN_COLON){
guess = 20 + operator_side_bias;
}
else if (type == CPP_TOKEN_THROW){
if (on_left){
guess = 100;
}
else{
guess = 0;
}
}
else if (type >= CPP_TOKEN_EQ && type <= CPP_TOKEN_XOREQ){
guess = 15 + operator_side_bias;
2016-10-07 01:55:44 +00:00
}
return(guess);
}
struct Wrap_Current_Shift{
f32 shift;
b32 adjust_top_to_this;
};
internal Wrap_Current_Shift
get_current_shift(Code_Wrap_State *wrap_state, i32 next_line_start){
Wrap_Current_Shift result = {0};
result.shift = wrap_state->wrap_x.paren_nesting[wrap_state->wrap_x.paren_safe_top];
if (wrap_state->token_ptr > wrap_state->token_array.tokens){
Cpp_Token prev_token = *(wrap_state->token_ptr-1);
2016-10-25 00:26:52 +00:00
if (wrap_state->wrap_x.paren_safe_top != 0 && prev_token.type == CPP_TOKEN_PARENTHESE_OPEN){
result.shift = wrap_state->wrap_x.paren_nesting[wrap_state->wrap_x.paren_safe_top-1] + wrap_state->tab_indent_amount;
result.adjust_top_to_this = 1;
}
f32 statement_continuation_indent = 0.f;
if (result.shift != 0.f && wrap_state->wrap_x.paren_safe_top == 0){
if (!(prev_token.flags & (CPP_TFLAG_PP_DIRECTIVE|CPP_TFLAG_PP_BODY))){
switch (prev_token.type){
case CPP_TOKEN_BRACKET_OPEN:
case CPP_TOKEN_BRACE_OPEN:
case CPP_TOKEN_BRACE_CLOSE:
case CPP_TOKEN_SEMICOLON:
case CPP_TOKEN_COLON:
case CPP_TOKEN_COMMA:
case CPP_TOKEN_COMMENT: break;
default: statement_continuation_indent += wrap_state->tab_indent_amount; break;
}
}
}
switch (wrap_state->token_ptr->type){
case CPP_TOKEN_BRACE_CLOSE: case CPP_TOKEN_BRACE_OPEN: break;
default: result.shift += statement_continuation_indent; break;
}
}
if (wrap_state->token_ptr->start < next_line_start){
if (wrap_state->token_ptr->flags & CPP_TFLAG_PP_DIRECTIVE){
result.shift = 0;
}
else{
switch (wrap_state->token_ptr->type){
case CPP_TOKEN_BRACE_CLOSE:
{
if (wrap_state->wrap_x.paren_safe_top == 0){
result.shift -= wrap_state->tab_indent_amount;
2016-10-14 21:21:17 +00:00
}
}break;
}
}
}
result.shift = clamp_bottom(0.f, result.shift);
return(result);
2016-10-10 22:09:46 +00:00
}
internal void
file_measure_wraps(System_Functions *system, Models *models, Editing_File *file, Render_Font *font){
General_Memory *general = &models->mem.general;
Partition *part = &models->mem.part;
Temp_Memory temp = begin_temp_memory(part);
file_allocate_wraps_as_needed(general, file);
file_allocate_indents_as_needed(general, file, file->state.buffer.line_count);
file_allocate_wrap_positions_as_needed(general, file, file->state.buffer.line_count);
Buffer_Measure_Wrap_Params params;
params.buffer = &file->state.buffer;
params.wrap_line_index = file->state.wrap_line_index;
params.system = system;
params.font = font;
params.virtual_white = file->settings.virtual_white;
f32 width = (f32)file->settings.display_width;
f32 minimum_base_width = (f32)file->settings.minimum_base_display_width;
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i32 size = buffer_size(params.buffer);
Buffer_Measure_Wrap_State state = {0};
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Buffer_Layout_Stop stop = {0};
f32 edge_tolerance = 50.f;
edge_tolerance = clamp_top(edge_tolerance, 50.f);
f32 current_line_shift = 0.f;
2016-09-29 01:07:14 +00:00
b32 do_wrap = 0;
i32 wrap_unit_end = 0;
i32 wrap_position_index = 0;
file->state.wrap_positions[wrap_position_index++] = 0;
Code_Wrap_State wrap_state = {0};
2016-10-01 00:33:13 +00:00
2017-03-19 00:30:38 +00:00
b32 use_tokens = false;
2016-10-01 00:33:13 +00:00
Wrap_Indent_Pair *wrap_indent_marks = 0;
Potential_Wrap_Indent_Pair *potential_marks = 0;
i32 max_wrap_indent_mark = 0;
if (params.virtual_white && file->state.tokens_complete && !file->state.still_lexing){
wrap_state_init(system, &wrap_state, file, font);
2017-03-19 00:30:38 +00:00
use_tokens = true;
potential_marks = push_array(part, Potential_Wrap_Indent_Pair, floor32(width));
max_wrap_indent_mark = partition_remaining(part)/sizeof(Wrap_Indent_Pair);
wrap_indent_marks = push_array(part, Wrap_Indent_Pair, max_wrap_indent_mark);
2016-10-01 00:33:13 +00:00
}
i32 real_count = 0;
i32 potential_count = 0;
i32 stage = 0;
Translation_State tran = {0};
Translation_Emits emits = {0};
do{
stop = buffer_measure_wrap_y(&state, params, current_line_shift, do_wrap, wrap_unit_end);
switch (stop.status){
2016-09-29 01:07:14 +00:00
case BLStatus_NeedWrapDetermination:
{
if (use_tokens){
if (stage == 0){
do_wrap = 0;
wrap_unit_end = wrap_indent_marks[stage+1].wrap_position;
++stage;
}
else{
do_wrap = 1;
wrap_unit_end = wrap_indent_marks[stage+1].wrap_position;
file_allocate_wrap_positions_as_needed(general, file, wrap_position_index);
file->state.wrap_positions[wrap_position_index++] = stop.pos;
}
}
else{
Gap_Buffer_Stream stream = {0};
i32 word_stage = 0;
i32 i = stop.pos;
f32 x = stop.x;
f32 self_x = 0;
i32 wrap_end_result = size;
if (buffer_stringify_loop(&stream, params.buffer, i, size)){
b32 still_looping = 0;
do{
for (; i < stream.end; ++i){
{
u8 ch = stream.data[i];
translating_fully_process_byte(system, font, &tran, ch, i, size, &emits);
}
for (TRANSLATION_DECL_EMIT_LOOP(J, emits)){
TRANSLATION_DECL_GET_STEP(step, behavior, J, emits);
u32 codepoint = step.value;
switch (word_stage){
case 0:
{
if (codepoint_is_whitespace(codepoint)){
word_stage = 1;
}
else{
f32 adv = font_get_glyph_advance(params.system, params.font, codepoint);
x += adv;
self_x += adv;
if (self_x > width){
wrap_end_result = step.i;
goto doublebreak;
}
}
}break;
case 1:
{
if (!codepoint_is_whitespace(codepoint)){
wrap_end_result = step.i;
goto doublebreak;
}
}break;
}
}
2016-09-29 19:39:47 +00:00
}
still_looping = buffer_stringify_next(&stream);
}while(still_looping);
}
doublebreak:;
wrap_unit_end = wrap_end_result;
if (x > width){
do_wrap = 1;
file_allocate_wrap_positions_as_needed(general, file, wrap_position_index);
file->state.wrap_positions[wrap_position_index++] = stop.pos;
}
else{
do_wrap = 0;
}
2016-09-29 01:07:14 +00:00
}
}break;
case BLStatus_NeedWrapLineShift:
case BLStatus_NeedLineShift:
{
f32 current_width = width;
2016-10-01 00:33:13 +00:00
if (use_tokens){
Code_Wrap_State original_wrap_state = wrap_state;
i32 next_line_start = buffer_size(params.buffer);
if (stop.line_index+1 < params.buffer->line_count){
next_line_start = params.buffer->line_starts[stop.line_index+1];
}
2016-10-25 00:26:52 +00:00
f32 base_adjusted_width = wrap_state.wrap_x.base_x + minimum_base_width;
if (minimum_base_width != 0 && current_width < base_adjusted_width){
current_width = base_adjusted_width;
}
if (stop.status == BLStatus_NeedLineShift){
real_count = 0;
potential_count = 0;
stage = 0;
Wrap_Current_Shift current_shift = get_current_shift(&wrap_state, next_line_start);
if (current_shift.adjust_top_to_this){
wrap_state_set_top(&wrap_state, current_shift.shift);
}
wrap_indent_marks[real_count].wrap_position = 0;
wrap_indent_marks[real_count].line_shift =current_shift.shift;
++real_count;
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wrap_state.wrap_x.base_x = wrap_state.wrap_x.paren_nesting[0];
for (; wrap_state.token_ptr < wrap_state.end_token; ){
Code_Wrap_Step step = {0};
b32 emit_comment_position = 0;
b32 first_word = 1;
if (wrap_state.token_ptr->type == CPP_TOKEN_COMMENT ||
wrap_state.token_ptr->type == CPP_TOKEN_STRING_CONSTANT){
i32 i = wrap_state.token_ptr->start;
i32 end_i = i + wrap_state.token_ptr->size;
if (i < wrap_state.i){
i = wrap_state.i;
}
if (end_i > wrap_state.next_line_start){
end_i = wrap_state.next_line_start;
}
f32 x = wrap_state.x;
step.position_start = i;
step.start_x = x;
step.this_token = wrap_state.token_ptr;
Gap_Buffer_Stream stream = {0};
Potential_Wrap_Indent_Pair potential_wrap = {0};
potential_wrap.wrap_position = i;
potential_wrap.line_shift = x;
potential_wrap.wrappable_score = 5;
potential_wrap.wrap_x = x;
potential_wrap.adjust_top_to_this = 0;
if (buffer_stringify_loop(&stream, params.buffer, i, end_i)){
b32 still_looping = 1;
while(still_looping){
for (; i < stream.end; ++i){
u8 ch = stream.data[i];
if (!char_is_whitespace(ch)){
goto doublebreak_stage_vspace;
}
}
still_looping = buffer_stringify_next(&stream);
}
doublebreak_stage_vspace:;
do{
while (still_looping){
for (; i < stream.end; ++i){
u8 ch = stream.data[i];
if (char_is_whitespace(ch)){
goto doublebreak_stage1;
}
f32 adv = font_get_glyph_advance(params.system, params.font, ch);
x += adv;
if (!first_word && x > current_width){
emit_comment_position = 1;
goto doublebreak_stage1;
}
}
still_looping = buffer_stringify_next(&stream);
}
doublebreak_stage1:;
first_word = 0;
if (emit_comment_position){
step.position_end = i;
step.final_x = x;
goto finished_comment_split;
}
while(still_looping){
for (; i < stream.end; ++i){
u8 ch = stream.data[i];
if (!char_is_whitespace(ch)){
goto doublebreak_stage2;
}
f32 adv = font_get_glyph_advance(params.system, params.font, ch);
2017-03-10 20:44:42 +00:00
x += adv;
}
still_looping = buffer_stringify_next(&stream);
}
doublebreak_stage2:;
potential_wrap.wrap_position = i;
potential_wrap.wrap_x = x;
}while(still_looping);
}
finished_comment_split:;
if (emit_comment_position){
potential_marks[potential_count] = potential_wrap;
++potential_count;
}
}
if (!emit_comment_position){
step = wrap_state_consume_token(system, font, &wrap_state, next_line_start-1);
}
b32 need_to_choose_a_wrap = 0;
if (step.final_x > current_width){
need_to_choose_a_wrap = 1;
}
current_shift = get_current_shift(&wrap_state, next_line_start);
b32 next_token_is_on_line = 0;
2016-10-07 01:55:44 +00:00
if (wrap_state.token_ptr->start < next_line_start){
next_token_is_on_line = 1;
2016-10-07 01:55:44 +00:00
}
i32 next_wrap_position = step.position_end;
2016-10-14 21:21:17 +00:00
f32 wrap_x = step.final_x;
if (wrap_state.token_ptr->start > step.position_start && next_wrap_position < wrap_state.token_ptr->start && next_token_is_on_line){
next_wrap_position = wrap_state.token_ptr->start;
}
if (!need_to_choose_a_wrap){
2016-10-07 01:55:44 +00:00
i32 wrappable_score = 1;
Cpp_Token *this_token = step.this_token;
Cpp_Token *next_token = wrap_state.token_ptr;
2016-10-10 20:47:09 +00:00
Cpp_Token_Type this_type = this_token->type;
Cpp_Token_Type next_type = CPP_TOKEN_JUNK;
2016-10-14 21:21:17 +00:00
u16 this_flags = this_token->flags;
u16 next_flags = 0;
2016-10-10 22:09:46 +00:00
if (this_token == next_token || !next_token_is_on_line){
2016-10-07 01:55:44 +00:00
next_token = 0;
}
2016-10-10 20:47:09 +00:00
if (next_token){
next_type = next_token->type;
2016-10-14 21:21:17 +00:00
next_flags = next_token->flags;
2016-10-10 20:47:09 +00:00
}
2016-10-14 21:21:17 +00:00
i32 this_stickieness = stickieness_guess(this_type, next_type, this_flags, next_flags, 1);
2016-10-07 01:55:44 +00:00
2016-10-10 20:47:09 +00:00
i32 next_stickieness = 0;
2016-10-07 01:55:44 +00:00
if (next_token){
2016-10-14 21:21:17 +00:00
next_stickieness = stickieness_guess(next_type, this_type, next_flags, this_flags, 0);
2016-10-07 01:55:44 +00:00
}
2016-10-10 20:47:09 +00:00
i32 general_stickieness = this_stickieness;
2016-10-07 01:55:44 +00:00
if (general_stickieness < next_stickieness){
general_stickieness = next_stickieness;
}
if (wrap_state.wrap_x.paren_top != 0 && this_type == CPP_TOKEN_COMMA){
general_stickieness = 0;
}
2016-10-07 01:55:44 +00:00
wrappable_score = 64*50;
2016-10-25 00:26:52 +00:00
wrappable_score += 101 - general_stickieness - wrap_state.wrap_x.paren_safe_top*80;
2016-10-07 01:55:44 +00:00
potential_marks[potential_count].wrap_position = next_wrap_position;
potential_marks[potential_count].line_shift = current_shift.shift;
2016-10-07 01:55:44 +00:00
potential_marks[potential_count].wrappable_score = wrappable_score;
2016-10-14 21:21:17 +00:00
potential_marks[potential_count].wrap_x = wrap_x;
potential_marks[potential_count].adjust_top_to_this = current_shift.adjust_top_to_this;
++potential_count;
}
if (need_to_choose_a_wrap){
if (potential_count == 0){
wrap_indent_marks[real_count].wrap_position = next_wrap_position;
wrap_indent_marks[real_count].line_shift = current_shift.shift;
++real_count;
}
else{
i32 i = 0, best_i = 0;
i32 best_score = -1;
f32 best_x_shift = 0;
2016-10-07 01:55:44 +00:00
f32 x_gain_threshold = 18.f;
for (; i < potential_count; ++i){
2016-10-07 01:55:44 +00:00
i32 this_score = potential_marks[i].wrappable_score;
2016-10-14 21:21:17 +00:00
f32 x_shift = potential_marks[i].wrap_x - potential_marks[i].line_shift;
2016-10-10 20:47:09 +00:00
f32 x_shift_adjusted = x_shift - x_gain_threshold;
2016-10-14 21:21:17 +00:00
f32 x_left_over = step.final_x - x_shift;
2016-10-10 20:47:09 +00:00
if (x_shift_adjusted < 0){
2016-10-07 01:55:44 +00:00
this_score = 0;
}
2016-10-14 21:21:17 +00:00
else if (x_left_over <= x_gain_threshold){
this_score = 1;
}
2016-10-07 01:55:44 +00:00
if (this_score > best_score){
best_score = this_score;
best_x_shift = x_shift;
best_i = i;
}
2016-10-07 01:55:44 +00:00
else if (this_score == best_score && x_shift > best_x_shift){
best_x_shift = x_shift;
best_i = i;
}
}
i32 wrap_position = potential_marks[best_i].wrap_position;
f32 line_shift = potential_marks[best_i].line_shift;
b32 adjust_top_to_this = potential_marks[best_i].adjust_top_to_this;
wrap_indent_marks[real_count].wrap_position = wrap_position;
wrap_indent_marks[real_count].line_shift = line_shift;
++real_count;
potential_count = 0;
wrap_state = original_wrap_state;
for (;;){
step = wrap_state_consume_token(system, font, &wrap_state, wrap_position);
if (step.position_end >= wrap_position){
break;
}
}
wrap_state_set_x(&wrap_state, line_shift);
wrap_state_set_i(&wrap_state, wrap_position);
if (adjust_top_to_this){
wrap_state_set_top(&wrap_state, line_shift);
}
original_wrap_state = wrap_state;
}
}
if (step.position_end >= next_line_start-1){
break;
}
}
wrap_indent_marks[real_count].wrap_position = next_line_start;
wrap_indent_marks[real_count].line_shift = 0;
++real_count;
for (i32 l = 0; wrap_state.i < next_line_start && l < 3; ++l){
wrap_state_consume_token(system, font, &wrap_state, next_line_start);
}
}
current_line_shift = wrap_indent_marks[stage].line_shift;
if (stage > 0){
++stage;
}
current_line_shift = clamp_bottom(0.f, current_line_shift);
2016-10-01 00:33:13 +00:00
}
else{
current_line_shift = 0.f;
2016-10-01 00:33:13 +00:00
}
current_line_shift = clamp_top(current_line_shift, current_width - edge_tolerance);
2016-10-01 00:33:13 +00:00
if (stop.wrap_line_index >= file->state.line_indent_max){
file_allocate_indents_as_needed(general, file, stop.wrap_line_index);
}
file->state.line_indents[stop.wrap_line_index] = current_line_shift;
file->state.wrap_line_count = stop.wrap_line_index;
}break;
}
}while(stop.status != BLStatus_Finished);
++file->state.wrap_line_count;
file_allocate_wrap_positions_as_needed(general, file, wrap_position_index);
2016-09-29 19:39:47 +00:00
file->state.wrap_positions[wrap_position_index++] = size;
file->state.wrap_position_count = wrap_position_index;
end_temp_memory(temp);
2016-10-01 00:33:13 +00:00
}
internal void
file_measure_wraps_and_fix_cursor(System_Functions *system, Models *models, Editing_File *file, Render_Font *font){
file_measure_wraps(system, models, file, font);
file_update_cursor_positions(system, models, file);
}
internal void
file_set_width(System_Functions *system, Models *models, Editing_File *file, i32 display_width, Render_Font *font){
file->settings.display_width = display_width;
file_measure_wraps_and_fix_cursor(system, models, file, font);
}
internal void
file_set_min_base_width(System_Functions *system, Models *models, Editing_File *file, i32 minimum_base_display_width, Render_Font *font){
file->settings.minimum_base_display_width = minimum_base_display_width;
file_measure_wraps_and_fix_cursor(system, models, file, font);
}
//
//
//
2016-09-21 22:45:43 +00:00
internal void
file_create_from_string(System_Functions *system, Models *models, Editing_File *file, String val, b8 read_only = 0){
//Font_Set *font_set = models->font_set;
2016-09-21 22:45:43 +00:00
General_Memory *general = &models->mem.general;
Partition *part = &models->mem.part;
Open_File_Hook_Function *hook_open_file = models->hook_open_file;
Application_Links *app_links = &models->app_links;
2016-09-21 22:45:43 +00:00
file->state = null_editing_file_state;
Gap_Buffer_Init init = buffer_begin_init(&file->state.buffer, val.str, val.size);
2016-09-21 22:45:43 +00:00
for (; buffer_init_need_more(&init); ){
i32 page_size = buffer_init_page_size(&init);
page_size = l_round_up_i32(page_size, KB(4));
if (page_size < KB(4)){
page_size = KB(4);
}
void *data = general_memory_allocate(general, page_size);
2016-09-21 22:45:43 +00:00
buffer_init_provide_page(&init, data, page_size);
}
i32 scratch_size = partition_remaining(part);
Assert(scratch_size > 0);
b32 init_success = buffer_end_init(&init, part->base + part->pos, scratch_size);
2016-09-21 22:45:43 +00:00
AllowLocal(init_success); Assert(init_success);
if (buffer_size(&file->state.buffer) < val.size){
2016-09-21 22:45:43 +00:00
file->settings.dos_write_mode = 1;
}
file_synchronize_times(system, file);
2017-03-11 18:53:48 +00:00
Font_ID font_id = models->global_font_id;
2016-09-21 22:45:43 +00:00
file->settings.font_id = font_id;
Render_Font *font = system->font.get_render_data_by_id(font_id);
2016-09-21 22:45:43 +00:00
file_measure_starts(general, &file->state.buffer);
file_allocate_character_starts_as_needed(general, file);
buffer_measure_character_starts(system, font, &file->state.buffer, file->state.character_starts, 0, file->settings.virtual_white);
2016-09-21 22:45:43 +00:00
file_measure_wraps(system, models, file, font);
2016-09-21 22:45:43 +00:00
file->settings.read_only = read_only;
if (!read_only){
// TODO(allen): Redo undo system (if you don't mind the pun)
i32 request_size = KB(64);
2016-09-21 22:45:43 +00:00
file->state.undo.undo.max = request_size;
file->state.undo.undo.strings = (u8*)general_memory_allocate(general, request_size);
2016-09-21 22:45:43 +00:00
file->state.undo.undo.edit_max = request_size / sizeof(Edit_Step);
file->state.undo.undo.edits = (Edit_Step*)general_memory_allocate(general, request_size);
2016-09-21 22:45:43 +00:00
file->state.undo.redo.max = request_size;
file->state.undo.redo.strings = (u8*)general_memory_allocate(general, request_size);
2016-09-21 22:45:43 +00:00
file->state.undo.redo.edit_max = request_size / sizeof(Edit_Step);
file->state.undo.redo.edits = (Edit_Step*)general_memory_allocate(general, request_size);
2016-09-21 22:45:43 +00:00
file->state.undo.history.max = request_size;
file->state.undo.history.strings = (u8*)general_memory_allocate(general, request_size);
2016-09-21 22:45:43 +00:00
file->state.undo.history.edit_max = request_size / sizeof(Edit_Step);
file->state.undo.history.edits = (Edit_Step*)general_memory_allocate(general, request_size);
2016-09-21 22:45:43 +00:00
file->state.undo.children.max = request_size;
file->state.undo.children.strings = (u8*)general_memory_allocate(general, request_size);
2016-09-21 22:45:43 +00:00
file->state.undo.children.edit_max = request_size / sizeof(Buffer_Edit);
file->state.undo.children.edits = (Buffer_Edit*)general_memory_allocate(general, request_size);
2016-09-21 22:45:43 +00:00
file->state.undo.history_block_count = 1;
file->state.undo.history_head_block = 0;
file->state.undo.current_block_normal = 1;
}
if (hook_open_file){
hook_open_file(app_links, file->id.id);
2016-09-21 22:45:43 +00:00
}
file->settings.is_initialized = 1;
}
internal void
file_close(System_Functions *system, General_Memory *general, Editing_File *file){
if (file->state.still_lexing){
system->cancel_job(BACKGROUND_THREADS, file->state.lex_job);
if (file->state.swap_array.tokens){
general_memory_free(general, file->state.swap_array.tokens);
2016-09-21 22:45:43 +00:00
file->state.swap_array.tokens = 0;
}
}
if (file->state.token_array.tokens){
general_memory_free(general, file->state.token_array.tokens);
2016-09-21 22:45:43 +00:00
}
Gap_Buffer *buffer = &file->state.buffer;
2016-09-21 22:45:43 +00:00
if (buffer->data){
general_memory_free(general, buffer->data);
general_memory_free(general, buffer->line_starts);
2016-09-21 22:45:43 +00:00
}
general_memory_free(general, file->state.wrap_line_index);
general_memory_free(general, file->state.character_starts);
general_memory_free(general, file->state.line_indents);
2016-09-21 22:45:43 +00:00
if (file->state.undo.undo.edits){
general_memory_free(general, file->state.undo.undo.strings);
general_memory_free(general, file->state.undo.undo.edits);
2016-09-21 22:45:43 +00:00
general_memory_free(general, file->state.undo.redo.strings);
general_memory_free(general, file->state.undo.redo.edits);
2016-09-21 22:45:43 +00:00
general_memory_free(general, file->state.undo.history.strings);
general_memory_free(general, file->state.undo.history.edits);
2016-09-21 22:45:43 +00:00
general_memory_free(general, file->state.undo.children.strings);
general_memory_free(general, file->state.undo.children.edits);
2016-09-21 22:45:43 +00:00
}
}
struct Shift_Information{
i32 start, end, amount;
};
// TODO(allen): I want this code audited soon
internal
Job_Callback_Sig(job_full_lex){
Editing_File *file = (Editing_File*)data[0];
General_Memory *general = (General_Memory*)data[1];
Gap_Buffer *buffer = &file->state.buffer;
i32 text_size = buffer_size(buffer);
2016-09-21 22:45:43 +00:00
i32 aligned_buffer_size = (text_size + 3)&(~3);
while (memory->size < aligned_buffer_size){
2016-09-21 22:45:43 +00:00
system->grow_thread_memory(memory);
}
Cpp_Token_Array tokens;
tokens.tokens = (Cpp_Token*)(memory->data);
tokens.max_count = memory->size / sizeof(Cpp_Token);
tokens.count = 0;
b32 still_lexing = 1;
Cpp_Lex_Data lex = cpp_lex_data_init();
// TODO(allen): deduplicate this against relex
char *chunks[3];
i32 chunk_sizes[3];
2016-09-21 22:45:43 +00:00
chunks[0] = buffer->data;
chunk_sizes[0] = buffer->size1;
chunks[1] = buffer->data + buffer->size1 + buffer->gap_size;
chunk_sizes[1] = buffer->size2;
chunks[2] = 0;
chunk_sizes[2] = 0;
i32 chunk_index = 0;
do{
char *chunk = chunks[chunk_index];
i32 chunk_size = chunk_sizes[chunk_index];
2016-09-21 22:45:43 +00:00
i32 result =
cpp_lex_step(&lex, chunk, chunk_size, text_size, &tokens, 2048);
2016-09-21 22:45:43 +00:00
switch (result){
case LexResult_NeedChunk: ++chunk_index; break;
case LexResult_NeedTokenMemory:
if (system->check_cancel(thread)){
return;
}
system->grow_thread_memory(memory);
tokens.tokens = (Cpp_Token*)(memory->data);
tokens.max_count = memory->size / sizeof(Cpp_Token);
break;
case LexResult_HitTokenLimit:
if (system->check_cancel(thread)){
return;
}
break;
case LexResult_Finished: still_lexing = 0; break;
}
} while (still_lexing);
i32 new_max = l_round_up_i32(tokens.count+1, KB(1));
2016-09-21 22:45:43 +00:00
system->acquire_lock(FRAME_LOCK);
{
Assert(file->state.swap_array.tokens == 0);
file->state.swap_array.tokens = (Cpp_Token*)general_memory_allocate(general, new_max*sizeof(Cpp_Token));
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}
system->release_lock(FRAME_LOCK);
u8 *dest = (u8*)file->state.swap_array.tokens;
u8 *src = (u8*)tokens.tokens;
memcpy(dest, src, tokens.count*sizeof(Cpp_Token));
system->acquire_lock(FRAME_LOCK);
{
Cpp_Token_Array *file_token_array = &file->state.token_array;
file_token_array->count = tokens.count;
file_token_array->max_count = new_max;
if (file_token_array->tokens){
general_memory_free(general, file_token_array->tokens);
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}
file_token_array->tokens = file->state.swap_array.tokens;
file->state.swap_array.tokens = 0;
}
system->release_lock(FRAME_LOCK);
// NOTE(allen): These are outside the locked section because I don't
// think getting these out of order will cause critical bugs, and I
// want to minimize what's done in locked sections.
file->state.tokens_complete = 1;
file->state.still_lexing = 0;
}
internal void
file_kill_tokens(System_Functions *system, General_Memory *general, Editing_File *file){
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file->settings.tokens_exist = 0;
if (file->state.still_lexing){
system->cancel_job(BACKGROUND_THREADS, file->state.lex_job);
if (file->state.swap_array.tokens){
general_memory_free(general, file->state.swap_array.tokens);
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file->state.swap_array.tokens = 0;
}
}
if (file->state.token_array.tokens){
general_memory_free(general, file->state.token_array.tokens);
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}
file->state.tokens_complete = 0;
file->state.token_array = null_cpp_token_array;
}
internal void
file_first_lex_parallel(System_Functions *system, Mem_Options *mem, Editing_File *file){
General_Memory *general = &mem->general;
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file->settings.tokens_exist = 1;
if (file->is_loading == 0 && file->state.still_lexing == 0){
Assert(file->state.token_array.tokens == 0);
file->state.tokens_complete = 0;
file->state.still_lexing = 1;
Job_Data job;
job.callback = job_full_lex;
job.data[0] = file;
job.data[1] = general;
file->state.lex_job = system->post_job(BACKGROUND_THREADS, job);
}
}
internal void
file_first_lex_serial(Mem_Options *mem, Editing_File *file){
Partition *part = &mem->part;
General_Memory *general = &mem->general;
file->settings.tokens_exist = 1;
Assert(file->state.still_lexing == 0);
if (file->is_loading == 0){
Assert(file->state.token_array.tokens == 0);
{
Temp_Memory temp = begin_temp_memory(part);
Gap_Buffer *buffer = &file->state.buffer;
i32 text_size = buffer_size(buffer);
i32 mem_size = partition_remaining(part);
Cpp_Token_Array tokens;
tokens.max_count = mem_size / sizeof(Cpp_Token);
tokens.count = 0;
tokens.tokens = push_array(part, Cpp_Token, tokens.max_count);
b32 still_lexing = 1;
Cpp_Lex_Data lex = cpp_lex_data_init();
// TODO(allen): deduplicate this against relex
char *chunks[3];
i32 chunk_sizes[3];
chunks[0] = buffer->data;
chunk_sizes[0] = buffer->size1;
chunks[1] = buffer->data + buffer->size1 + buffer->gap_size;
chunk_sizes[1] = buffer->size2;
chunks[2] = 0;
chunk_sizes[2] = 0;
i32 chunk_index = 0;
Cpp_Token_Array *swap_array = &file->state.swap_array;
do{
char *chunk = chunks[chunk_index];
i32 chunk_size = chunk_sizes[chunk_index];
i32 result = cpp_lex_step(&lex, chunk, chunk_size, text_size, &tokens, NO_OUT_LIMIT);
switch (result){
case LexResult_NeedChunk: ++chunk_index; break;
case LexResult_Finished:
case LexResult_NeedTokenMemory:
{
u32 new_max = l_round_up_u32(tokens.count+1, KB(1));
u32 new_mem_max = new_max*sizeof(Cpp_Token);
u32 old_mem_max = swap_array->count*sizeof(Cpp_Token);
if (swap_array->tokens == 0){
swap_array->tokens = (Cpp_Token*)general_memory_allocate(general, new_mem_max);
}
else{
swap_array->tokens = (Cpp_Token*)
general_memory_reallocate(general, swap_array->tokens, old_mem_max, new_mem_max);
}
swap_array->max_count = new_max;
memcpy(swap_array->tokens + swap_array->count, tokens.tokens, tokens.count*sizeof(Cpp_Token));
swap_array->count += tokens.count;
tokens.count = 0;
if (result == LexResult_Finished){
still_lexing = 0;
}
}break;
case LexResult_HitTokenLimit: InvalidCodePath;
}
} while (still_lexing);
Cpp_Token_Array *token_array = &file->state.token_array;
token_array->count = swap_array->count;
token_array->max_count = swap_array->max_count;
if (token_array->tokens != 0){
general_memory_free(general, token_array->tokens);
}
token_array->tokens = swap_array->tokens;
swap_array->tokens = 0;
swap_array->count = 0;
swap_array->max_count = 0;
file->state.tokens_complete = true;
file->state.still_lexing = false;
end_temp_memory(temp);
}
file->state.tokens_complete = 1;
}
}
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internal b32
file_relex_parallel(System_Functions *system, Mem_Options *mem, Editing_File *file, i32 start_i, i32 end_i, i32 shift_amount){
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General_Memory *general = &mem->general;
Partition *part = &mem->part;
if (file->state.token_array.tokens == 0){
file_first_lex_parallel(system, mem, file);
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return(0);
}
b32 result = 1;
b32 inline_lex = !file->state.still_lexing;
if (inline_lex){
Gap_Buffer *buffer = &file->state.buffer;
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i32 extra_tolerance = 100;
Cpp_Token_Array *array = &file->state.token_array;
Cpp_Relex_Range relex_range = cpp_get_relex_range(array, start_i, end_i);
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i32 relex_space_size =
relex_range.end_token_index - relex_range.start_token_index + extra_tolerance;
Temp_Memory temp = begin_temp_memory(part);
Cpp_Token_Array relex_array;
relex_array.count = 0;
relex_array.max_count = relex_space_size;
relex_array.tokens = push_array(part, Cpp_Token, relex_array.max_count);
i32 size = buffer_size(buffer);
Cpp_Relex_Data state = cpp_relex_init(array, start_i, end_i, shift_amount);
char *chunks[3];
i32 chunk_sizes[3];
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chunks[0] = buffer->data;
chunk_sizes[0] = buffer->size1;
chunks[1] = buffer->data + buffer->size1 + buffer->gap_size;
chunk_sizes[1] = buffer->size2;
chunks[2] = 0;
chunk_sizes[2] = 0;
i32 chunk_index = 0;
char *chunk = chunks[chunk_index];
i32 chunk_size = chunk_sizes[chunk_index];
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while (!cpp_relex_is_start_chunk(&state, chunk, chunk_size)){
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++chunk_index;
chunk = chunks[chunk_index];
chunk_size = chunk_sizes[chunk_index];
}
for(;;){
Cpp_Lex_Result lex_result =
cpp_relex_step(&state, chunk, chunk_size, size, array, &relex_array);
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switch (lex_result){
case LexResult_NeedChunk:
++chunk_index;
chunk = chunks[chunk_index];
chunk_size = chunk_sizes[chunk_index];
break;
case LexResult_NeedTokenMemory:
inline_lex = 0;
goto doublebreak;
case LexResult_Finished:
goto doublebreak;
}
}
doublebreak:;
if (inline_lex){
i32 new_count = cpp_relex_get_new_count(&state, array->count, &relex_array);
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if (new_count > array->max_count){
i32 new_max = l_round_up_i32(new_count, KB(1));
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array->tokens = (Cpp_Token*)
general_memory_reallocate(general, array->tokens, array->count*sizeof(Cpp_Token), new_max*sizeof(Cpp_Token));
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array->max_count = new_max;
}
cpp_relex_complete(&state, array, &relex_array);
}
else{
cpp_relex_abort(&state, array);
}
end_temp_memory(temp);
}
if (!inline_lex){
Cpp_Token_Array *array = &file->state.token_array;
Cpp_Get_Token_Result get_token_result = cpp_get_token(*array, end_i);
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i32 end_token_i = get_token_result.token_index;
if (end_token_i < 0){
end_token_i = 0;
}
else if (end_i > array->tokens[end_token_i].start){
++end_token_i;
}
cpp_shift_token_starts(array, end_token_i, shift_amount);
--end_token_i;
if (end_token_i >= 0){
Cpp_Token *token = array->tokens + end_token_i;
if (token->start < end_i && token->start + token->size > end_i){
token->size += shift_amount;
}
}
file->state.still_lexing = 1;
Job_Data job;
job.callback = job_full_lex;
job.data[0] = file;
job.data[1] = general;
file->state.lex_job = system->post_job(BACKGROUND_THREADS, job);
result = 0;
}
return(result);
}
internal b32
file_relex_serial(Mem_Options *mem, Editing_File *file, i32 start_i, i32 end_i, i32 shift_amount){
General_Memory *general = &mem->general;
Partition *part = &mem->part;
if (file->state.token_array.tokens == 0){
file_first_lex_serial(mem, file);
return(1);
}
Assert(!file->state.still_lexing);
Gap_Buffer *buffer = &file->state.buffer;
Cpp_Token_Array *array = &file->state.token_array;
Temp_Memory temp = begin_temp_memory(part);
Cpp_Token_Array relex_array;
relex_array.count = 0;
relex_array.max_count = partition_remaining(part) / sizeof(Cpp_Token);
relex_array.tokens = push_array(part, Cpp_Token, relex_array.max_count);
i32 size = buffer_size(buffer);
Cpp_Relex_Data state = cpp_relex_init(array, start_i, end_i, shift_amount);
char *chunks[3];
i32 chunk_sizes[3];
chunks[0] = buffer->data;
chunk_sizes[0] = buffer->size1;
chunks[1] = buffer->data + buffer->size1 + buffer->gap_size;
chunk_sizes[1] = buffer->size2;
chunks[2] = 0;
chunk_sizes[2] = 0;
i32 chunk_index = 0;
char *chunk = chunks[chunk_index];
i32 chunk_size = chunk_sizes[chunk_index];
while (!cpp_relex_is_start_chunk(&state, chunk, chunk_size)){
++chunk_index;
chunk = chunks[chunk_index];
chunk_size = chunk_sizes[chunk_index];
}
for(;;){
Cpp_Lex_Result lex_result = cpp_relex_step(&state, chunk, chunk_size, size, array, &relex_array);
switch (lex_result){
case LexResult_NeedChunk:
++chunk_index;
chunk = chunks[chunk_index];
chunk_size = chunk_sizes[chunk_index];
break;
case LexResult_NeedTokenMemory: InvalidCodePath;
case LexResult_Finished: goto doublebreak;
}
}
doublebreak:;
i32 new_count = cpp_relex_get_new_count(&state, array->count, &relex_array);
if (new_count > array->max_count){
i32 new_max = l_round_up_i32(new_count, KB(1));
array->tokens = (Cpp_Token*)general_memory_reallocate(general, array->tokens, array->count*sizeof(Cpp_Token), new_max*sizeof(Cpp_Token));
array->max_count = new_max;
}
cpp_relex_complete(&state, array, &relex_array);
end_temp_memory(temp);
return(1);
}
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internal void
undo_stack_grow_string(General_Memory *general, Edit_Stack *stack, i32 extra_size){
i32 old_max = stack->max;
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u8 *old_str = stack->strings;
i32 new_max = old_max*2 + extra_size;
u8 *new_str = (u8*)general_memory_reallocate(general, old_str, old_max, new_max);
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stack->strings = new_str;
stack->max = new_max;
}
internal void
undo_stack_grow_edits(General_Memory *general, Edit_Stack *stack){
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i32 old_max = stack->edit_max;
Edit_Step *old_eds = stack->edits;
i32 new_max = old_max*2 + 2;
Edit_Step *new_eds = (Edit_Step*)general_memory_reallocate(general, old_eds, old_max*sizeof(Edit_Step), new_max*sizeof(Edit_Step));
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stack->edits = new_eds;
stack->edit_max = new_max;
}
internal void
child_stack_grow_string(General_Memory *general, Small_Edit_Stack *stack, i32 extra_size){
i32 old_max = stack->max;
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u8 *old_str = stack->strings;
i32 new_max = old_max*2 + extra_size;
u8 *new_str = (u8*)general_memory_reallocate(general, old_str, old_max, new_max);
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stack->strings = new_str;
stack->max = new_max;
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}
internal void
child_stack_grow_edits(General_Memory *general, Small_Edit_Stack *stack, i32 amount){
i32 old_max = stack->edit_max;
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Buffer_Edit *old_eds = stack->edits;
i32 new_max = old_max*2 + amount;
Buffer_Edit *new_eds = (Buffer_Edit*)general_memory_reallocate(general, old_eds, old_max*sizeof(Buffer_Edit), new_max*sizeof(Buffer_Edit));
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stack->edits = new_eds;
stack->edit_max = new_max;
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}
internal i32
undo_children_push(General_Memory *general, Small_Edit_Stack *children, Buffer_Edit *edits, i32 edit_count, u8 *strings, i32 string_size){
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i32 result = children->edit_count;
if (children->edit_count + edit_count > children->edit_max){
child_stack_grow_edits(general, children, edit_count);
}
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if (children->size + string_size > children->max){
child_stack_grow_string(general, children, string_size);
}
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memcpy(children->edits + children->edit_count, edits, edit_count*sizeof(Buffer_Edit));
memcpy(children->strings + children->size, strings, string_size);
Buffer_Edit *edit = children->edits + children->edit_count;
i32 start_pos = children->size;
for (i32 i = 0; i < edit_count; ++i, ++edit){
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edit->str_start += start_pos;
}
children->edit_count += edit_count;
children->size += string_size;
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return result;
}
struct Edit_Spec{
u8 *str;
Edit_Step step;
};
internal Edit_Step*
file_post_undo(General_Memory *general, Editing_File *file, Edit_Step step, b32 do_merge, b32 can_merge){
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if (step.type == ED_NORMAL){
file->state.undo.redo.size = 0;
file->state.undo.redo.edit_count = 0;
}
Edit_Stack *undo = &file->state.undo.undo;
Edit_Step *result = 0;
if (step.child_count == 0){
if (step.edit.end - step.edit.start + undo->size > undo->max){
undo_stack_grow_string(general, undo, step.edit.end - step.edit.start);
}
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Buffer_Edit inv;
buffer_invert_edit(&file->state.buffer, step.edit, &inv, (char*)undo->strings, &undo->size, undo->max);
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Edit_Step inv_step = {};
inv_step.edit = inv;
inv_step.can_merge = (b8)can_merge;
inv_step.type = ED_UNDO;
b32 did_merge = 0;
if (do_merge && undo->edit_count > 0){
Edit_Step prev = undo->edits[undo->edit_count-1];
if (prev.can_merge && inv_step.edit.len == 0 && prev.edit.len == 0){
if (prev.edit.end == inv_step.edit.start){
did_merge = 1;
inv_step.edit.start = prev.edit.start;
}
}
}
if (did_merge){
result = undo->edits + (undo->edit_count-1);
*result = inv_step;
}
else{
if (undo->edit_count == undo->edit_max){
undo_stack_grow_edits(general, undo);
}
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result = undo->edits + (undo->edit_count++);
*result = inv_step;
}
}
else{
Edit_Step inv_step = {};
inv_step.type = ED_UNDO;
inv_step.first_child = step.inverse_first_child;
inv_step.inverse_first_child = step.first_child;
inv_step.special_type = step.special_type;
inv_step.child_count = step.inverse_child_count;
inv_step.inverse_child_count = step.child_count;
if (undo->edit_count == undo->edit_max){
undo_stack_grow_edits(general, undo);
}
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result = undo->edits + (undo->edit_count++);
*result = inv_step;
}
return result;
}
inline void
undo_stack_pop(Edit_Stack *stack){
if (stack->edit_count > 0){
Edit_Step *edit = stack->edits + (--stack->edit_count);
if (edit->child_count == 0){
stack->size -= edit->edit.len;
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}
}
}
internal void
file_post_redo(General_Memory *general, Editing_File *file, Edit_Step step){
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Edit_Stack *redo = &file->state.undo.redo;
if (step.child_count == 0){
if (step.edit.end - step.edit.start + redo->size > redo->max){
undo_stack_grow_string(general, redo, step.edit.end - step.edit.start);
}
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Buffer_Edit inv;
buffer_invert_edit(&file->state.buffer, step.edit, &inv, (char*)redo->strings, &redo->size, redo->max);
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Edit_Step inv_step = {};
inv_step.edit = inv;
inv_step.type = ED_REDO;
if (redo->edit_count == redo->edit_max){
undo_stack_grow_edits(general, redo);
}
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redo->edits[redo->edit_count++] = inv_step;
}
else{
Edit_Step inv_step = {};
inv_step.type = ED_REDO;
inv_step.first_child = step.inverse_first_child;
inv_step.inverse_first_child = step.first_child;
inv_step.special_type = step.special_type;
inv_step.child_count = step.inverse_child_count;
inv_step.inverse_child_count = step.child_count;
if (redo->edit_count == redo->edit_max){
undo_stack_grow_edits(general, redo);
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}
redo->edits[redo->edit_count++] = inv_step;
}
}
inline void
file_post_history_block(Editing_File *file, i32 pos){
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Assert(file->state.undo.history_head_block < pos);
Assert(pos < file->state.undo.history.edit_count);
Edit_Step *history = file->state.undo.history.edits;
Edit_Step *step = history + file->state.undo.history_head_block;
step->next_block = pos;
step = history + pos;
step->prev_block = file->state.undo.history_head_block;
file->state.undo.history_head_block = pos;
++file->state.undo.history_block_count;
}
inline void
file_unpost_history_block(Editing_File *file){
Assert(file->state.undo.history_block_count > 1);
--file->state.undo.history_block_count;
Edit_Step *old_head = file->state.undo.history.edits + file->state.undo.history_head_block;
file->state.undo.history_head_block = old_head->prev_block;
}
internal Edit_Step*
file_post_history(General_Memory *general, Editing_File *file, Edit_Step step, b32 do_merge, b32 can_merge){
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Edit_Stack *history = &file->state.undo.history;
Edit_Step *result = 0;
local_persist Edit_Type reverse_types[4];
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if (reverse_types[ED_UNDO] == 0){
reverse_types[ED_NORMAL] = ED_REVERSE_NORMAL;
reverse_types[ED_REVERSE_NORMAL] = ED_NORMAL;
reverse_types[ED_UNDO] = ED_REDO;
reverse_types[ED_REDO] = ED_UNDO;
}
if (step.child_count == 0){
if (step.edit.end - step.edit.start + history->size > history->max){
undo_stack_grow_string(general, history, step.edit.end - step.edit.start);
}
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Buffer_Edit inv;
buffer_invert_edit(&file->state.buffer, step.edit, &inv,
(char*)history->strings, &history->size, history->max);
Edit_Step inv_step = {};
inv_step.edit = inv;
inv_step.can_merge = (b8)can_merge;
inv_step.type = reverse_types[step.type];
b32 did_merge = 0;
if (do_merge && history->edit_count > 0){
Edit_Step prev = history->edits[history->edit_count-1];
if (prev.can_merge && inv_step.edit.len == 0 && prev.edit.len == 0){
if (prev.edit.end == inv_step.edit.start){
did_merge = 1;
inv_step.edit.start = prev.edit.start;
}
}
}
if (did_merge){
result = history->edits + (history->edit_count-1);
}
else{
if (history->edit_count == history->edit_max){
undo_stack_grow_edits(general, history);
}
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result = history->edits + (history->edit_count++);
}
*result = inv_step;
}
else{
Edit_Step inv_step = {};
inv_step.type = reverse_types[step.type];
inv_step.first_child = step.inverse_first_child;
inv_step.inverse_first_child = step.first_child;
inv_step.special_type = step.special_type;
inv_step.inverse_child_count = step.child_count;
inv_step.child_count = step.inverse_child_count;
if (history->edit_count == history->edit_max){
undo_stack_grow_edits(general, history);
}
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result = history->edits + (history->edit_count++);
*result = inv_step;
}
return(result);
}
// TODO(allen): burn this shit to the ground yo!
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inline void
file_view_nullify_file(View *view){
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view->file_data = null_file_viewing_data;
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}
internal void
update_view_line_height(System_Functions *system, Models *models, View *view, Font_ID font_id){
Render_Font *font = system->font.get_render_data_by_id(font_id);
view->line_height = font_get_height(font);
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}
inline void
view_cursor_move(View *view, Full_Cursor cursor){
view_set_cursor(view, cursor, 1, view->file_data.file->settings.unwrapped_lines);
view->file_data.show_temp_highlight = 0;
}
inline void
view_cursor_move(System_Functions *system, View *view, i32 pos){
Full_Cursor cursor = view_compute_cursor(system, view, seek_pos(pos), 0);
view_cursor_move(view, cursor);
}
inline void
view_cursor_move(System_Functions *system, View *view, f32 x, f32 y, b32 round_down = 0){
Buffer_Seek seek;
if (view->file_data.file->settings.unwrapped_lines){
seek = seek_unwrapped_xy(x, y, round_down);
}
else{
seek = seek_wrapped_xy(x, y, round_down);
}
Full_Cursor cursor = view_compute_cursor(system, view, seek, 0);
view_cursor_move(view, cursor);
}
inline void
view_cursor_move(System_Functions *system, View *view, i32 line, i32 character){
Full_Cursor cursor = view_compute_cursor(system, view, seek_line_char(line, character), 0);
view_cursor_move(view, cursor);
}
inline void
view_show_file(View *view){
Editing_File *file = view->file_data.file;
if (file){
view->map = get_map(view->persistent.models, file->settings.base_map_id);
}
else{
view->map = get_map(view->persistent.models, mapid_global);
}
if (view->showing_ui != VUI_None){
view->showing_ui = VUI_None;
view->changed_context_in_step = 1;
}
}
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internal void
view_set_file(System_Functions *system, View *view, Editing_File *file, Models *models){
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Assert(file);
if (view->file_data.file != 0){
touch_file(&models->working_set, view->file_data.file);
}
File_Edit_Positions *edit_pos = view->edit_pos;
if (edit_pos){
edit_pos_unset(view->file_data.file, edit_pos);
edit_pos = 0;
}
file_view_nullify_file(view);
view->file_data.file = file;
edit_pos = edit_pos_get_new(file, view->persistent.id);
view->edit_pos = edit_pos;
update_view_line_height(system, models, view, file->settings.font_id);
if (edit_pos->cursor.line == 0){
view_cursor_move(system, view, 0);
}
if (view->showing_ui == VUI_None){
view_show_file(view);
}
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}
struct Relative_Scrolling{
f32 scroll_x, scroll_y;
f32 target_x, target_y;
};
internal Relative_Scrolling
view_get_relative_scrolling(View *view){
Relative_Scrolling result = {0};
if (view->edit_pos){
f32 cursor_y = view_get_cursor_y(view);
result.scroll_y = cursor_y - view->edit_pos->scroll.scroll_y;
result.target_y = cursor_y - view->edit_pos->scroll.target_y;
}
return(result);
}
internal void
view_set_relative_scrolling(View *view, Relative_Scrolling scrolling){
f32 cursor_y = view_get_cursor_y(view);
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if (view->edit_pos){
view->edit_pos->scroll.scroll_y = cursor_y - scrolling.scroll_y;
view->edit_pos->scroll.target_y = round32(clamp_bottom(0.f, cursor_y - scrolling.target_y));
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}
}
inline i32_Rect
view_widget_rect(View *view, i32 line_height){
Panel *panel = view->panel;
i32_Rect result = panel->inner;
if (view->file_data.file){
result.y0 = result.y0 + line_height + 2;
}
return(result);
}
enum History_Mode{
hist_normal,
hist_backward,
hist_forward
};
internal void
file_update_history_before_edit(Mem_Options *mem, Editing_File *file, Edit_Step step, u8 *str, History_Mode history_mode){
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if (!file->state.undo.undo.edits) return;
General_Memory *general = &mem->general;
b32 can_merge = 0, do_merge = 0;
switch (step.type){
case ED_NORMAL:
{
if (step.edit.len == 1 && str && char_is_alpha_numeric(*str)){
can_merge = 1;
}
if (step.edit.len == 1 && str && (can_merge || char_is_whitespace(*str))){
do_merge = 1;
}
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if (history_mode != hist_forward){
file_post_history(general, file, step, do_merge, can_merge);
}
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file_post_undo(general, file, step, do_merge, can_merge);
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}break;
case ED_REVERSE_NORMAL:
{
if (history_mode != hist_forward){
file_post_history(general, file, step, do_merge, can_merge);
}
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undo_stack_pop(&file->state.undo.undo);
b32 restore_redos = 0;
Edit_Step *redo_end = 0;
if (history_mode == hist_backward && file->state.undo.edit_history_cursor > 0){
restore_redos = 1;
redo_end = file->state.undo.history.edits + (file->state.undo.edit_history_cursor - 1);
}
else if (history_mode == hist_forward && file->state.undo.history.edit_count > 0){
restore_redos = 1;
redo_end = file->state.undo.history.edits + (file->state.undo.history.edit_count - 1);
}
if (restore_redos){
Edit_Step *redo_start = redo_end;
i32 steps_of_redo = 0;
i32 strings_of_redo = 0;
{
i32 undo_count = 0;
while (redo_start->type == ED_REDO || redo_start->type == ED_UNDO){
if (redo_start->type == ED_REDO){
if (undo_count > 0){
--undo_count;
}
else{
++steps_of_redo;
strings_of_redo += redo_start->edit.len;
}
}
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else{
++undo_count;
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}
--redo_start;
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}
}
if (redo_start < redo_end){
++redo_start;
++redo_end;
if (file->state.undo.redo.edit_count + steps_of_redo > file->state.undo.redo.edit_max)
undo_stack_grow_edits(general, &file->state.undo.redo);
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if (file->state.undo.redo.size + strings_of_redo > file->state.undo.redo.max)
undo_stack_grow_string(general, &file->state.undo.redo, strings_of_redo);
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u8 *str_src = file->state.undo.history.strings + redo_end->edit.str_start;
u8 *str_dest_base = file->state.undo.redo.strings;
i32 str_redo_pos = file->state.undo.redo.size + strings_of_redo;
Edit_Step *edit_src = redo_end;
Edit_Step *edit_dest = file->state.undo.redo.edits + file->state.undo.redo.edit_count + steps_of_redo;
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{
i32 undo_count = 0;
for (i32 i = 0; i < steps_of_redo;){
--edit_src;
str_src -= edit_src->edit.len;
if (edit_src->type == ED_REDO){
if (undo_count > 0){
--undo_count;
}
else{
++i;
--edit_dest;
*edit_dest = *edit_src;
str_redo_pos -= edit_dest->edit.len;
edit_dest->edit.str_start = str_redo_pos;
memcpy(str_dest_base + str_redo_pos, str_src, edit_dest->edit.len);
}
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}
else{
++undo_count;
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}
}
Assert(undo_count == 0);
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}
file->state.undo.redo.size += strings_of_redo;
file->state.undo.redo.edit_count += steps_of_redo;
}
}
}break;
case ED_UNDO:
{
if (history_mode != hist_forward){
file_post_history(general, file, step, do_merge, can_merge);
}
file_post_redo(general, file, step);
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undo_stack_pop(&file->state.undo.undo);
}break;
case ED_REDO:
{
if (step.edit.len == 1 && str && char_is_alpha_numeric(*str)) can_merge = 1;
if (step.edit.len == 1 && str && (can_merge || char_is_whitespace(*str))) do_merge = 1;
if (history_mode != hist_forward){
file_post_history(general, file, step, do_merge, can_merge);
}
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file_post_undo(general, file, step, do_merge, can_merge);
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undo_stack_pop(&file->state.undo.redo);
}break;
}
if (history_mode != hist_forward){
if (step.type == ED_UNDO || step.type == ED_REDO){
if (file->state.undo.current_block_normal){
file_post_history_block(file, file->state.undo.history.edit_count - 1);
file->state.undo.current_block_normal = 0;
}
}
else{
if (!file->state.undo.current_block_normal){
file_post_history_block(file, file->state.undo.history.edit_count - 1);
file->state.undo.current_block_normal = 1;
}
}
}
else{
if (file->state.undo.history_head_block == file->state.undo.history.edit_count){
file_unpost_history_block(file);
file->state.undo.current_block_normal = !file->state.undo.current_block_normal;
}
}
if (history_mode == hist_normal){
file->state.undo.edit_history_cursor = file->state.undo.history.edit_count;
}
}
inline void
file_pre_edit_maintenance(System_Functions *system, General_Memory *general, Editing_File *file){
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if (file->state.still_lexing){
system->cancel_job(BACKGROUND_THREADS, file->state.lex_job);
if (file->state.swap_array.tokens){
general_memory_free(general, file->state.swap_array.tokens);
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file->state.swap_array.tokens = 0;
}
file->state.still_lexing = 0;
}
file_mark_dirty(file);
}
struct Cursor_Fix_Descriptor{
b32 is_batch;
union{
struct{
Buffer_Edit *batch;
i32 batch_size;
};
struct{
i32 start, end;
i32 shift_amount;
};
};
};
internal void
file_edit_cursor_fix(System_Functions *system, Models *models, Editing_File *file, Editing_Layout *layout, Cursor_Fix_Descriptor desc){
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Partition *part = &models->mem.part;
Temp_Memory cursor_temp = begin_temp_memory(part);
i32 cursor_max = layout->panel_max_count * 3;
cursor_max += file->markers.marker_count;
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Cursor_With_Index *cursors = push_array(part, Cursor_With_Index, cursor_max);
Cursor_With_Index *r_cursors = push_array(part, Cursor_With_Index, cursor_max);
Assert(cursors != 0);
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i32 cursor_count = 0;
i32 r_cursor_count = 0;
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View *view = 0;
Panel *panel = 0, *used_panels = &layout->used_sentinel;
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for (dll_items(panel, used_panels)){
view = panel->view;
if (view->file_data.file == file){
Assert(view->edit_pos);
write_cursor_with_index(cursors, &cursor_count, view->edit_pos->cursor.pos);
write_cursor_with_index(cursors, &cursor_count, view->edit_pos->mark);
write_cursor_with_index(cursors, &cursor_count, view->edit_pos->scroll_i);
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}
}
Marker_Array *marker_it = 0;
Marker_Array *marker_sent = &file->markers.sentinel;
for (dll_items(marker_it, marker_sent)){
u32 count = marker_it->count;
Marker *markers = &marker_it->marker_0;
for (u32 i = 0; i < count; ++i){
if (markers[i].lean_right){
write_cursor_with_index(r_cursors, &r_cursor_count, markers[i].pos);
}
else{
write_cursor_with_index(cursors, &cursor_count, markers[i].pos);
}
}
}
// TODO(NAME): dump all the markers in the file and then read them back out.
// Make a plan for "right leaning" markers.
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if (cursor_count > 0){
buffer_sort_cursors(cursors, cursor_count);
if (desc.is_batch){
buffer_batch_edit_update_cursors(cursors, cursor_count, desc.batch, desc.batch_size, false);
buffer_batch_edit_update_cursors(r_cursors, r_cursor_count, desc.batch, desc.batch_size, true);
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}
else{
buffer_update_cursors(cursors, cursor_count, desc.start, desc.end, desc.shift_amount + (desc.end - desc.start), false);
buffer_update_cursors(r_cursors, r_cursor_count, desc.start, desc.end, desc.shift_amount + (desc.end - desc.start), true);
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}
buffer_unsort_cursors(cursors, cursor_count);
cursor_count = 0;
r_cursor_count = 0;
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for (dll_items(panel, used_panels)){
view = panel->view;
if (view->file_data.file == file){
Assert(view->edit_pos);
i32 cursor_pos = cursors[cursor_count++].pos;
Full_Cursor new_cursor = view_compute_cursor(system, view, seek_pos(cursor_pos), 0);
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GUI_Scroll_Vars scroll = view->edit_pos->scroll;
view->edit_pos->mark = cursors[cursor_count++].pos;
i32 new_scroll_i = cursors[cursor_count++].pos;
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if (view->edit_pos->scroll_i != new_scroll_i){
view->edit_pos->scroll_i = new_scroll_i;
Full_Cursor temp_cursor = view_compute_cursor(system, view, seek_pos(view->edit_pos->scroll_i), 0);
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f32 y_offset = MOD(view->edit_pos->scroll.scroll_y, view->line_height);
f32 y_position = temp_cursor.wrapped_y;
if (view->file_data.file->settings.unwrapped_lines){
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y_position = temp_cursor.unwrapped_y;
}
y_position += y_offset;
scroll.target_y += round32(y_position - scroll.scroll_y);
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scroll.scroll_y = y_position;
}
view_set_cursor_and_scroll(view, new_cursor,
1, view->file_data.file->settings.unwrapped_lines,
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scroll);
}
}
for (dll_items(marker_it, marker_sent)){
u32 count = marker_it->count;
Marker *markers = &marker_it->marker_0;
for (u32 i = 0; i < count; ++i){
if (markers[i].lean_right){
markers[i].pos = r_cursors[r_cursor_count++].pos;
}
else{
markers[i].pos = cursors[cursor_count++].pos;
}
}
}
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}
end_temp_memory(cursor_temp);
}
internal void
file_do_single_edit(System_Functions *system, Models *models, Editing_File *file, Edit_Spec spec, History_Mode history_mode){
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Mem_Options *mem = &models->mem;
Editing_Layout *layout = &models->layout;
// NOTE(allen): fixing stuff beforewards????
file_update_history_before_edit(mem, file, spec.step, spec.str, history_mode);
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file_pre_edit_maintenance(system, &mem->general, file);
// NOTE(allen): actual text replacement
i32 shift_amount = 0;
General_Memory *general = &mem->general;
Partition *part = &mem->part;
char *str = (char*)spec.str;
i32 start = spec.step.edit.start;
i32 end = spec.step.edit.end;
i32 str_len = spec.step.edit.len;
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i32 scratch_size = partition_remaining(part);
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Assert(scratch_size > 0);
i32 request_amount = 0;
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Assert(end <= buffer_size(&file->state.buffer));
while (buffer_replace_range(&file->state.buffer, start, end, str, str_len, &shift_amount, part->base + part->pos, scratch_size, &request_amount)){
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void *new_data = 0;
if (request_amount > 0){
new_data = general_memory_allocate(general, request_amount);
}
void *old_data = buffer_edit_provide_memory(&file->state.buffer, new_data, request_amount);
if (old_data){
general_memory_free(general, old_data);
}
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}
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// NOTE(allen): token fixing
if (file->settings.tokens_exist){
if (!file->settings.virtual_white){
file_relex_parallel(system, mem, file, start, end, shift_amount);
}
else{
file_relex_serial(mem, file, start, end, shift_amount);
}
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}
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// NOTE(allen): meta data
Gap_Buffer *buffer = &file->state.buffer;
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i32 line_start = buffer_get_line_index(&file->state.buffer, start);
i32 line_end = buffer_get_line_index(&file->state.buffer, end);
i32 replaced_line_count = line_end - line_start;
i32 new_line_count = buffer_count_newlines(&file->state.buffer, start, start+str_len);
i32 line_shift = new_line_count - replaced_line_count;
Render_Font *font = system->font.get_render_data_by_id(file->settings.font_id);
file_grow_starts_as_needed(general, buffer, line_shift);
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buffer_remeasure_starts(buffer, line_start, line_end, line_shift, shift_amount);
file_allocate_character_starts_as_needed(general, file);
buffer_remeasure_character_starts(system, font, buffer, line_start, line_end, line_shift, file->state.character_starts, 0, file->settings.virtual_white);
// TODO(allen): Redo this as some sort of dialogical API
#if 0
file_allocate_wraps_as_needed(general, file);
buffer_remeasure_wrap_y(buffer, line_start, line_end, line_shift, file->state.wraps, (f32)font->height, font->advance_data, (f32)file->settings.display_width);
#endif
file_measure_wraps(system, models, file, font);
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// NOTE(allen): cursor fixing
Cursor_Fix_Descriptor desc = {0};
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desc.start = start;
desc.end = end;
desc.shift_amount = shift_amount;
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file_edit_cursor_fix(system, models, file, layout, desc);
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}
internal void
file_do_batch_edit(System_Functions *system, Models *models, Editing_File *file,
Edit_Spec spec, History_Mode history_mode, i32 batch_type){
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Mem_Options *mem = &models->mem;
General_Memory *general = &mem->general;
Partition *part = &mem->part;
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Editing_Layout *layout = &models->layout;
// NOTE(allen): fixing stuff "beforewards"???
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Assert(spec.str == 0);
file_update_history_before_edit(mem, file, spec.step, 0, history_mode);
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file_pre_edit_maintenance(system, &mem->general, file);
// NOTE(allen): actual text replacement
u8 *str_base = file->state.undo.children.strings;
i32 batch_size = spec.step.child_count;
Buffer_Edit *batch = file->state.undo.children.edits + spec.step.first_child;
Assert(spec.step.first_child < file->state.undo.children.edit_count);
Assert(batch_size >= 0);
i32 scratch_size = partition_remaining(part);
Buffer_Batch_State state = {};
i32 request_amount = 0;
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while (buffer_batch_edit_step(&state, &file->state.buffer, batch,
(char*)str_base, batch_size, part->base + part->pos,
scratch_size, &request_amount)){
void *new_data = 0;
if (request_amount > 0){
new_data = general_memory_allocate(general, request_amount);
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}
void *old_data = buffer_edit_provide_memory(&file->state.buffer, new_data, request_amount);
if (old_data){
general_memory_free(general, old_data);
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}
}
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i32 shift_total = state.shift_total;
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// NOTE(allen): token fixing
switch (batch_type){
case BatchEdit_Normal:
{
if (file->settings.tokens_exist){
// TODO(allen): Write a smart fast one here someday.
Buffer_Edit *first_edit = batch;
Buffer_Edit *last_edit = batch + batch_size - 1;
if (!file->settings.virtual_white){
file_relex_parallel(system, mem, file, first_edit->start, last_edit->end, shift_total);
}
else{
file_relex_serial(mem, file, first_edit->start, last_edit->end, shift_total);
}
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}
}break;
case BatchEdit_PreserveTokens:
{
if (file->state.tokens_complete){
Cpp_Token_Array tokens = file->state.token_array;
Cpp_Token *token = tokens.tokens;
Cpp_Token *end_token = tokens.tokens + tokens.count;
Cpp_Token original = {(Cpp_Token_Type)0};
Buffer_Edit *edit = batch;
Buffer_Edit *end_edit = batch + batch_size;
i32 shift_amount = 0;
i32 local_shift = 0;
for (; token < end_token; ++token){
original = *token;
for (; edit < end_edit && edit->start <= original.start; ++edit){
local_shift = (edit->len - (edit->end - edit->start));
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shift_amount += local_shift;
}
token->start += shift_amount;
local_shift = 0;
for (; edit < end_edit && edit->start < original.start + original.size; ++edit){
local_shift += (edit->len - (edit->end - edit->start));
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}
token->size += local_shift;
shift_amount += local_shift;
}
}
}break;
}
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// TODO(allen): Let's try to switch to remeasuring here moron!
// We'll need to get the total shift from the actual batch edit state
// instead of from the cursor fixing. The only reason we're getting
// it from cursor fixing is because you're a lazy asshole.
// NOTE(allen): meta data
Buffer_Measure_Starts measure_state = {};
buffer_measure_starts(&measure_state, &file->state.buffer);
Render_Font *font = system->font.get_render_data_by_id(file->settings.font_id);
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// TODO(allen): write the remeasurement version
file_allocate_character_starts_as_needed(&models->mem.general, file);
buffer_measure_character_starts(system, font, &file->state.buffer, file->state.character_starts, 0, file->settings.virtual_white);
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file_measure_wraps(system, models, file, font);
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// NOTE(allen): cursor fixing
Cursor_Fix_Descriptor desc = {0};
desc.is_batch = 1;
desc.batch = batch;
desc.batch_size = batch_size;
file_edit_cursor_fix(system, models, file, layout, desc);
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}
inline void
file_replace_range(System_Functions *system, Models *models, Editing_File *file, i32 start, i32 end, char *str, i32 len){
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Edit_Spec spec = {};
spec.step.type = ED_NORMAL;
spec.step.edit.start = start;
spec.step.edit.end = end;
spec.step.edit.len = len;
spec.str = (u8*)str;
file_do_single_edit(system, models, file, spec, hist_normal);
}
inline void
file_clear(System_Functions *system, Models *models, Editing_File *file){
file_replace_range(system, models, file, 0, buffer_size(&file->state.buffer), 0, 0);
}
// TODO(allen): get rid of this
inline void
view_replace_range(System_Functions *system, Models *models, View *view,
i32 start, i32 end, char *str, i32 len){
file_replace_range(system, models, view->file_data.file, start, end, str, len);
}
inline void
view_post_paste_effect(View *view, f32 seconds, i32 start, i32 size, u32 color){
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Editing_File *file = view->file_data.file;
file->state.paste_effect.start = start;
file->state.paste_effect.end = start + size;
file->state.paste_effect.color = color;
file->state.paste_effect.seconds_down = seconds;
file->state.paste_effect.seconds_max = seconds;
}
internal Style*
get_style(Models *models, i32 i){
return (&models->styles.styles[i]);
}
internal Style*
main_style(Models *models){
return (get_style(models, 0));
}
internal void
apply_history_edit(System_Functions *system, Models *models, Editing_File *file, View *view, Edit_Stack *stack, Edit_Step step, History_Mode history_mode){
Edit_Spec spec = {};
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spec.step = step;
if (step.child_count == 0){
spec.step.edit.str_start = 0;
spec.str = stack->strings + step.edit.str_start;
file_do_single_edit(system, models, file, spec, history_mode);
if (view){
view_cursor_move(system, view, step.edit.start + step.edit.len);
view->edit_pos->mark = view->edit_pos->cursor.pos;
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Style *style = main_style(models);
view_post_paste_effect(view, 0.333f, step.edit.start, step.edit.len, style->main.undo_color);
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}
}
else{
file_do_batch_edit(system, models, view->file_data.file, spec, hist_normal, spec.step.special_type);
}
}
internal void
view_undo_redo(System_Functions *system, Models *models, View *view, Edit_Stack *stack, Edit_Type expected_type){
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Editing_File *file = view->file_data.file;
Assert(file);
Assert(view->edit_pos);
if (stack->edit_count > 0){
Edit_Step step = stack->edits[stack->edit_count-1];
Assert(step.type == expected_type);
apply_history_edit(system, models, file, view, stack, step, hist_normal);
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}
}
internal void
view_history_step(System_Functions *system, Models *models, View *view, History_Mode history_mode){
Assert(history_mode != hist_normal);
Editing_File *file = view->file_data.file;
Assert(file);
Assert(view->edit_pos);
b32 do_history_step = 0;
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Edit_Step step = {};
if (history_mode == hist_backward){
if (file->state.undo.edit_history_cursor > 0){
do_history_step = 1;
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step = file->state.undo.history.edits[--file->state.undo.edit_history_cursor];
}
}
else{
if (file->state.undo.edit_history_cursor < file->state.undo.history.edit_count){
Assert(((file->state.undo.history.edit_count - file->state.undo.edit_history_cursor) & 1) == 0);
step = file->state.undo.history.edits[--file->state.undo.history.edit_count];
file->state.undo.history.size -= step.edit.len;
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++file->state.undo.edit_history_cursor;
do_history_step = 1;
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}
}
if (do_history_step){
apply_history_edit(system, models,
file, view,
&file->state.undo.history, step, history_mode);
}
}
internal String*
working_set_next_clipboard_string(General_Memory *general, Working_Set *working, i32 str_size){
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String *result = 0;
i32 clipboard_current = working->clipboard_current;
if (working->clipboard_size == 0){
clipboard_current = 0;
working->clipboard_size = 1;
}
else{
++clipboard_current;
if (clipboard_current >= working->clipboard_max_size){
clipboard_current = 0;
}
else if (working->clipboard_size <= clipboard_current){
working->clipboard_size = clipboard_current+1;
}
}
result = &working->clipboards[clipboard_current];
working->clipboard_current = clipboard_current;
working->clipboard_rolling = clipboard_current;
char *new_str;
if (result->str){
new_str = (char*)general_memory_reallocate(general, result->str, result->size, str_size);
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}
else{
new_str = (char*)general_memory_allocate(general, str_size+1);
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}
// TODO(allen): What if new_str == 0?
*result = make_string_cap(new_str, 0, str_size);
return result;
}
internal String*
working_set_clipboard_index(Working_Set *working, i32 index){
String *result = 0;
i32 size = working->clipboard_size;
i32 current = working->clipboard_current;
if (index >= 0 && size > 0){
index = index % size;
index = current + size - index;
index = index % size;
result = &working->clipboards[index];
}
return(result);
}
internal String*
working_set_clipboard_head(Working_Set *working){
String *result = 0;
if (working->clipboard_size > 0){
working->clipboard_rolling = 0;
result = working_set_clipboard_index(working, working->clipboard_rolling);
}
return(result);
}
internal String*
working_set_clipboard_roll_down(Working_Set *working){
String *result = 0;
if (working->clipboard_size > 0){
i32 clipboard_index = working->clipboard_rolling;
++clipboard_index;
working->clipboard_rolling = clipboard_index;
result = working_set_clipboard_index(working, working->clipboard_rolling);
}
return(result);
}
internal void
clipboard_copy(System_Functions *system, General_Memory *general, Working_Set *working, Range range, Editing_File *file){
i32 size = range.end - range.start;
String *dest = working_set_next_clipboard_string(general, working, size);
buffer_stringify(&file->state.buffer, range.start, range.end, dest->str);
dest->size = size;
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system->post_clipboard(*dest);
}
internal Edit_Spec
file_compute_edit(Mem_Options *mem, Editing_File *file, Buffer_Edit *edits, char *str_base, i32 str_size, Buffer_Edit *inverse_array, char *inv_str, i32 inv_max, i32 edit_count, i32 batch_type){
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General_Memory *general = &mem->general;
i32 inv_str_pos = 0;
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Buffer_Invert_Batch state = {};
if (buffer_invert_batch(&state, &file->state.buffer, edits, edit_count,
inverse_array, inv_str, &inv_str_pos, inv_max)){
Assert(0);
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}
i32 first_child = undo_children_push(general, &file->state.undo.children, edits, edit_count, (u8*)(str_base), str_size);
i32 inverse_first_child = undo_children_push(general, &file->state.undo.children, inverse_array, edit_count, (u8*)(inv_str), inv_str_pos);
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Edit_Spec spec = {};
spec.step.type = ED_NORMAL;
spec.step.first_child = first_child;
spec.step.inverse_first_child = inverse_first_child;
spec.step.special_type = batch_type;
spec.step.child_count = edit_count;
spec.step.inverse_child_count = edit_count;
return(spec);
}
internal u32*
style_get_color(Style *style, Cpp_Token token){
u32 *result;
if (token.flags & CPP_TFLAG_IS_KEYWORD){
if (token.type == CPP_TOKEN_BOOLEAN_CONSTANT){
result = &style->main.bool_constant_color;
}
else{
result = &style->main.keyword_color;
}
}
else if(token.flags & CPP_TFLAG_PP_DIRECTIVE){
result = &style->main.preproc_color;
}
else{
switch (token.type){
case CPP_TOKEN_COMMENT:
result = &style->main.comment_color;
break;
case CPP_TOKEN_STRING_CONSTANT:
result = &style->main.str_constant_color;
break;
case CPP_TOKEN_CHARACTER_CONSTANT:
result = &style->main.char_constant_color;
break;
case CPP_TOKEN_INTEGER_CONSTANT:
result = &style->main.int_constant_color;
break;
case CPP_TOKEN_FLOATING_CONSTANT:
result = &style->main.float_constant_color;
break;
case CPP_PP_INCLUDE_FILE:
result = &style->main.include_color;
break;
default:
result = &style->main.default_color;
break;
}
}
return result;
}
internal void
file_set_font(System_Functions *system, Models *models, Editing_File *file, Font_ID font_id){
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file->settings.font_id = font_id;
Render_Font *font = system->font.get_render_data_by_id(font_id);
file_measure_wraps_and_fix_cursor(system, models, file, font);
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Editing_Layout *layout = &models->layout;
for (View_Iter iter = file_view_iter_init(layout, file, 0);
file_view_iter_good(iter);
iter = file_view_iter_next(iter)){
update_view_line_height(system, models, iter.view, font_id);
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}
}
internal void
global_set_font(System_Functions *system, Models *models, Font_ID font_id){
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File_Node *node = 0;
File_Node *sentinel = &models->working_set.used_sentinel;
for (dll_items(node, sentinel)){
Editing_File *file = (Editing_File*)node;
file_set_font(system, models, file, font_id);
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}
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models->global_font_id = font_id;
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}
inline void
view_show_GUI(View *view, View_UI ui){
view->map = &view->persistent.models->map_ui;
view->showing_ui = ui;
view->changed_context_in_step = 1;
}
inline void
view_show_interactive(System_Functions *system, View *view, Interactive_Action action, Interactive_Interaction interaction, String query){
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Models *models = view->persistent.models;
view->showing_ui = VUI_Interactive;
view->action = action;
view->interaction = interaction;
view->dest = make_fixed_width_string(view->dest_);
view->list_i = 0;
view->map = &models->map_ui;
hot_directory_clean_end(&models->hot_directory);
hot_directory_reload(system, &models->hot_directory);
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view->changed_context_in_step = 1;
}
inline void
view_show_theme(View *view){
view->map = &view->persistent.models->map_ui;
view->showing_ui = VUI_Theme;
view->color_mode = CV_Mode_Library;
view->color = super_color_create(0xFF000000);
view->current_color_editing = 0;
view->changed_context_in_step = 1;
}
internal String
make_string_terminated(Partition *part, char *str, i32 len){
char *space = (char*)push_array(part, char, len + 1);
String string = make_string_cap(str, len, len+1);
copy_fast_unsafe_cs(space, string);
string.str = space;
terminate_with_null(&string);
return(string);
}
internal void
init_normal_file(System_Functions *system, Models *models, Editing_File *file, char *buffer, i32 size){
String val = make_string(buffer, size);
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file_create_from_string(system, models, file, val);
Mem_Options *mem = &models->mem;
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if (file->settings.tokens_exist && file->state.token_array.tokens == 0){
if (!file->settings.virtual_white){
file_first_lex_parallel(system, mem, file);
}
else{
file_first_lex_serial(mem, file);
}
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}
}
internal void
init_read_only_file(System_Functions *system, Models *models, Editing_File *file){
String val = null_string;
file_create_from_string(system, models, file, val, 1);
Mem_Options *mem = &models->mem;
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if (file->settings.tokens_exist && file->state.token_array.tokens == 0){
if (!file->settings.virtual_white){
file_first_lex_parallel(system, mem, file);
}
else{
file_first_lex_serial(mem, file);
}
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}
}
internal void
view_open_file(System_Functions *system, Models *models, View *view, String filename){
Working_Set *working_set = &models->working_set;
Editing_File *file = 0;
if (terminate_with_null(&filename)){
Editing_File_Canon_Name canon_name;
if (get_canon_name(system, &canon_name, filename)){
file = working_set_canon_contains(working_set, canon_name.name);
if (!file){
Plat_Handle handle;
if (system->load_handle(canon_name.name.str, &handle)){
Mem_Options *mem = &models->mem;
General_Memory *general = &mem->general;
file = working_set_alloc_always(working_set, general);
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buffer_bind_file(system, general, working_set, file, canon_name.name);
buffer_bind_name(general, working_set, file, filename);
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i32 size = system->load_size(handle);
Partition *part = &mem->part;
char *buffer = 0;
b32 gen_buffer = 0;
Temp_Memory temp = begin_temp_memory(part);
buffer = push_array(part, char, size);
if (buffer == 0){
buffer = (char*)general_memory_allocate(general, size);
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Assert(buffer);
gen_buffer = 1;
}
if (system->load_file(handle, buffer, size)){
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system->load_close(handle);
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init_normal_file(system, models, file, buffer, size);
}
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else{
system->load_close(handle);
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}
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if (gen_buffer){
general_memory_free(general, buffer);
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}
end_temp_memory(temp);
}
}
}
}
if (file){
view_set_file(system, view, file, models);
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}
}
internal void
view_interactive_save_as(System_Functions *system, Models *models, Editing_File *file, String filename){
if (terminate_with_null(&filename)){
file_save_and_set_names(system, models, file, filename);
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}
}
internal void
view_interactive_new_file(System_Functions *system, Models *models, View *view, String filename){
Working_Set *working_set = &models->working_set;
Editing_File *file = 0;
if (terminate_with_null(&filename)){
Editing_File_Canon_Name canon_name;
if (get_canon_name(system, &canon_name, filename)){
file = working_set_canon_contains(working_set, canon_name.name);
if (file){
file_clear(system, models, file);
}
else{
Mem_Options *mem = &models->mem;
General_Memory *general = &mem->general;
file = working_set_alloc_always(working_set, general);
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buffer_bind_file(system, general, working_set, file, canon_name.name);
buffer_bind_name(general, working_set, file, filename);
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init_normal_file(system, models, file, 0, 0);
}
}
}
if (file){
view_set_file(system, view, file, models);
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}
}
internal void
kill_file(System_Functions *system, Models *models, Editing_File *file){
Working_Set *working_set = &models->working_set;
if (file != 0 && !file->settings.never_kill){
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buffer_unbind_name(working_set, file);
if (file->canon.name.size != 0){
buffer_unbind_file(system, working_set, file);
}
file_close(system, &models->mem.general, file);
working_set_free_file(&models->mem.general, working_set, file);
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File_Node *used = &models->working_set.used_sentinel;
File_Node *node = used->next;
for (View_Iter iter = file_view_iter_init(&models->layout, file, 0);
file_view_iter_good(iter);
iter = file_view_iter_next(iter)){
if (node != used){
iter.view->file_data.file = 0;
view_set_file(system, iter.view, (Editing_File*)node, models);
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node = node->next;
}
else{
iter.view->file_data.file = 0;
view_set_file(system, iter.view, 0, models);
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}
}
}
}
internal void
kill_file_by_name(System_Functions *system, Models *models, String name){
Editing_File *file = working_set_name_contains(&models->working_set, name);
kill_file(system, models, file);
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}
internal void
save_file_by_name(System_Functions *system, Models *models, String name){
Editing_File *file = working_set_name_contains(&models->working_set, name);
if (file != 0){
save_file(system, models, file);
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}
}
internal void
interactive_begin_sure_to_kill(System_Functions *system, View *view, Editing_File *file){
view_show_interactive(system, view,
IAct_Sure_To_Kill, IInt_Sure_To_Kill,
make_lit_string("Are you sure?"));
copy_ss(&view->dest, file->name.live_name);
}
enum Try_Kill_Result{
TryKill_CannotKill,
TryKill_NeedDialogue,
TryKill_Success
};
internal Try_Kill_Result
interactive_try_kill_file(System_Functions *system, Models *models, Editing_File *file){
Try_Kill_Result result = TryKill_CannotKill;
if (!file->settings.never_kill){
if (buffer_needs_save(file)){
result = TryKill_NeedDialogue;
}
else{
kill_file(system, models, file);
result = TryKill_Success;
}
}
return(result);
}
internal b32
interactive_try_kill_file(System_Functions *system, Models *models, View *view, Editing_File *file){
Try_Kill_Result kill_result = interactive_try_kill_file(system, models, file);
b32 result = (kill_result == TryKill_NeedDialogue);
if (result){
interactive_begin_sure_to_kill(system, view, file);
}
return(result);
}
internal b32
interactive_try_kill_file_by_name(System_Functions *system, Models *models, View *view, String name){
b32 kill_dialogue = 0;
Editing_File *file = working_set_name_contains(&models->working_set, name);
if (file){
kill_dialogue = interactive_try_kill_file(system, models, view, file);
}
return(kill_dialogue);
}
internal void
interactive_view_complete(System_Functions *system, View *view, String dest, i32 user_action){
Models *models = view->persistent.models;
switch (view->action){
case IAct_Open:
view_open_file(system, models, view, dest);
view_show_file(view);
break;
case IAct_Save_As:
view_interactive_save_as(system, models, view->file_data.file, dest);
view_show_file(view);
break;
case IAct_New:
if (dest.size > 0 && !char_is_slash(dest.str[dest.size-1])){
view_interactive_new_file(system, models, view, dest);
view_show_file(view);
if (models->hook_new_file != 0){
Editing_File *file = view->file_data.file;
models->hook_new_file(&models->app_links, file->id.id);
}
}break;
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case IAct_Switch:
{
Editing_File *file = working_set_name_contains(&models->working_set, dest);
if (file){
view_set_file(system, view, file, models);
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}
view_show_file(view);
}break;
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case IAct_Kill:
if (!interactive_try_kill_file_by_name(system, models, view, dest)){
view_show_file(view);
}break;
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case IAct_Sure_To_Close:
switch (user_action){
case 0:
models->keep_playing = 0;
break;
case 1:
view_show_file(view);
break;
case 2:
// TODO(allen): Save all and close.
break;
}
break;
case IAct_Sure_To_Kill:
switch (user_action){
case 0:
kill_file_by_name(system, models, dest);
view_show_file(view);
break;
case 1:
view_show_file(view);
break;
case 2:
save_file_by_name(system, models, dest);
kill_file_by_name(system, models, dest);
view_show_file(view);
break;
}
break;
}
}
#if 0
internal void
update_highlighting(View *view){
View *file_view = view->hot_file_view;
if (!file_view){
view->highlight = {};
return;
}
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Editing_File *file = file_view->file;
if (!file || !file_is_ready(file)){
view->highlight = {};
return;
}
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Models *models = view->persistent.models;
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Style *style = &models->style;
i32 pos = view_get_cursor_pos(file_view);
char c = buffer_get_char(&file->state.buffer, pos);
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if (c == '\r'){
view->highlight.ids[0] =
raw_ptr_dif(&style->main.special_character_color, style);
}
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else if (file->state.tokens_complete){
Cpp_Token_Stack *tokens = &file->state.token_array;
Cpp_Get_Token_Result result = cpp_get_token(tokens, pos);
Cpp_Token token = tokens->tokens[result.token_index];
if (!result.in_whitespace){
u32 *color = style_get_color(style, token);
view->highlight.ids[0] = raw_ptr_dif(color, style);
if (token.type == CPP_TOKEN_JUNK){
view->highlight.ids[1] =
raw_ptr_dif(&style->main.highlight_junk_color, style);
}
else if (char_is_whitespace(c)){
view->highlight.ids[1] =
raw_ptr_dif(&style->main.highlight_white_color, style);
}
else{
view->highlight.ids[1] = 0;
}
}
else{
view->highlight.ids[0] = 0;
view->highlight.ids[1] =
raw_ptr_dif(&style->main.highlight_white_color, style);
}
}
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else{
if (char_is_whitespace(c)){
view->highlight.ids[0] = 0;
view->highlight.ids[1] =
raw_ptr_dif(&style->main.highlight_white_color, style);
}
else{
view->highlight.ids[0] =
raw_ptr_dif(&style->main.default_color, style);
view->highlight.ids[1] = 0;
}
}
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if (file_view->show_temp_highlight){
view->highlight.ids[2] =
raw_ptr_dif(&style->main.highlight_color, style);
view->highlight.ids[3] =
raw_ptr_dif(&style->main.at_highlight_color, style);
}
else if (file->state.paste_effect.tick_down > 0){
view->highlight.ids[2] =
raw_ptr_dif(&style->main.paste_color, style);
view->highlight.ids[3] = 0;
}
else{
view->highlight.ids[2] = 0;
view->highlight.ids[3] = 0;
}
}
#endif
struct File_Bar{
f32 pos_x, pos_y;
f32 text_shift_x, text_shift_y;
i32_Rect rect;
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Font_ID font_id;
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};
internal void
intbar_draw_string(System_Functions *system, Render_Target *target, File_Bar *bar, String str, u32 char_color){
draw_string(system, target, bar->font_id, str, (i32)(bar->pos_x + bar->text_shift_x), (i32)(bar->pos_y + bar->text_shift_y), char_color);
bar->pos_x += font_string_width(system, target, bar->font_id, str);
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}
internal GUI_Scroll_Vars
view_reinit_scrolling(View *view){
Editing_File *file = view->file_data.file;
f32 w = 0, h = 0;
f32 cursor_x = 0, cursor_y = 0;
i32 target_x = 0, target_y = 0;
view->reinit_scrolling = 0;
if (file && file_is_ready(file)){
cursor_x = view_get_cursor_x(view);
cursor_y = view_get_cursor_y(view);
w = view_width(view);
h = view_file_height(view);
if (cursor_x >= target_x + w){
target_x = round32(cursor_x - w*.35f);
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}
target_y = clamp_bottom(0, floor32(cursor_y - h*.5f));
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}
GUI_Scroll_Vars scroll = {0};
scroll.target_y = target_y;
scroll.scroll_y = (f32)target_y;
scroll.prev_target_y = -1000;
scroll.target_x = target_x;
scroll.scroll_x = (f32)target_x;
scroll.prev_target_x = -1000;
return(scroll);
}
internal b32
file_step(View *view, i32_Rect region, Input_Summary *user_input, b32 is_active, b32 *consumed_l){
i32 is_animating = 0;
Editing_File *file = view->file_data.file;
if (file && !file->is_loading){
if (file->state.paste_effect.seconds_down > 0.f){
file->state.paste_effect.seconds_down -= user_input->dt;
is_animating = 1;
}
}
return(is_animating);
}
internal void
do_widget(View *view, GUI_Target *target){
Query_Slot *slot;
Query_Bar *bar;
// NOTE(allen): A temporary measure... although in
// general we maybe want the user to be able to ask
// how large a particular section of the GUI turns
// out to be after layout?
f32 height = 0.f;
for (slot = view->query_set.used_slot; slot != 0; slot = slot->next){
bar = slot->query_bar;
gui_do_text_field(target, bar->prompt, bar->string);
height += view->line_height + 2;
}
view->widget_height = height;
}
struct Exhaustive_File_Loop{
char front_name_[256];
char full_path_[256];
String front_name, full_path;
Absolutes absolutes;
File_Info *infos;
i32 count, r;
};
struct Exhaustive_File_Info{
File_Info *info;
String message;
b8 is_folder;
b8 name_match;
b8 is_loaded;
};
internal void
begin_exhaustive_loop(Exhaustive_File_Loop *loop, Hot_Directory *hdir){
loop->front_name = make_fixed_width_string(loop->front_name_);
loop->full_path = make_fixed_width_string(loop->full_path_);
loop->infos = hdir->file_list.infos;
loop->count = hdir->file_list.count;
copy_ss(&loop->front_name, front_of_directory(hdir->string));
get_absolutes(loop->front_name, &loop->absolutes, 1, 1);
copy_ss(&loop->full_path, hdir->canon_dir);
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loop->r = loop->full_path.size;
}
internal Exhaustive_File_Info
get_exhaustive_info(System_Functions *system, Working_Set *working_set, Exhaustive_File_Loop *loop, i32 i){
local_persist String message_loaded = make_lit_string(" LOADED");
local_persist String message_unsaved = make_lit_string(" LOADED *");
local_persist String message_unsynced = make_lit_string(" LOADED !");
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Exhaustive_File_Info result = {0};
result.info = loop->infos + i;
loop->full_path.size = loop->r;
append_sc(&loop->full_path, result.info->filename);
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terminate_with_null(&loop->full_path);
Editing_File *file = working_set_canon_contains(working_set, loop->full_path);
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String filename = make_string_cap(result.info->filename, result.info->filename_len, result.info->filename_len+1);
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result.is_folder = (result.info->folder != 0);
result.name_match = (wildcard_match_s(&loop->absolutes, filename, 0) != 0);
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result.is_loaded = (file != 0 && file_is_ready(file));
result.message = null_string;
if (result.is_loaded){
switch (file_get_sync(file)){
case DirtyState_UpToDate: result.message = message_loaded; break;
case DirtyState_UnsavedChanges: result.message = message_unsaved; break;
case DirtyState_UnloadedChanges: result.message = message_unsynced; break;
}
}
return(result);
}
struct Style_Color_Edit{
Style_Tag target;
Style_Tag fore;
Style_Tag back;
String text;
};
static Style_Color_Edit colors_to_edit[] = {
{Stag_Back, Stag_Default, Stag_Back, make_lit_string("Background")},
{Stag_Margin, Stag_Default, Stag_Margin, make_lit_string("Margin")},
{Stag_Margin_Hover, Stag_Default, Stag_Margin_Hover, make_lit_string("Margin Hover")},
{Stag_Margin_Active, Stag_Default, Stag_Margin_Active, make_lit_string("Margin Active")},
{Stag_Cursor, Stag_At_Cursor, Stag_Cursor, make_lit_string("Cursor")},
{Stag_At_Cursor, Stag_At_Cursor, Stag_Cursor, make_lit_string("Text At Cursor")},
{Stag_Mark, Stag_Mark, Stag_Back, make_lit_string("Mark")},
{Stag_Highlight, Stag_At_Highlight, Stag_Highlight, make_lit_string("Highlight")},
{Stag_At_Highlight, Stag_At_Highlight, Stag_Highlight, make_lit_string("Text At Highlight")},
{Stag_Default, Stag_Default, Stag_Back, make_lit_string("Text Default")},
{Stag_Comment, Stag_Comment, Stag_Back, make_lit_string("Comment")},
{Stag_Keyword, Stag_Keyword, Stag_Back, make_lit_string("Keyword")},
{Stag_Str_Constant, Stag_Str_Constant, Stag_Back, make_lit_string("String Constant")},
{Stag_Char_Constant, Stag_Char_Constant, Stag_Back, make_lit_string("Character Constant")},
{Stag_Int_Constant, Stag_Int_Constant, Stag_Back, make_lit_string("Integer Constant")},
{Stag_Float_Constant, Stag_Float_Constant, Stag_Back, make_lit_string("Float Constant")},
{Stag_Bool_Constant, Stag_Bool_Constant, Stag_Back, make_lit_string("Boolean Constant")},
{Stag_Preproc, Stag_Preproc, Stag_Back, make_lit_string("Preprocessor")},
{Stag_Special_Character, Stag_Special_Character, Stag_Back, make_lit_string("Special Character")},
{Stag_Highlight_Junk, Stag_Default, Stag_Highlight_Junk, make_lit_string("Junk Highlight")},
{Stag_Highlight_White, Stag_Default, Stag_Highlight_White, make_lit_string("Whitespace Highlight")},
{Stag_Paste, Stag_Paste, Stag_Back, make_lit_string("Paste Color")},
{Stag_Bar, Stag_Base, Stag_Bar, make_lit_string("Bar")},
{Stag_Base, Stag_Base, Stag_Bar, make_lit_string("Bar Text")},
{Stag_Pop1, Stag_Pop1, Stag_Bar, make_lit_string("Bar Pop 1")},
{Stag_Pop2, Stag_Pop2, Stag_Bar, make_lit_string("Bar Pop 2")},
};
struct Single_Line_Input_Step{
b8 hit_newline;
b8 hit_ctrl_newline;
b8 hit_a_character;
b8 hit_backspace;
b8 hit_esc;
b8 made_a_change;
b8 did_command;
b8 no_file_match;
};
enum Single_Line_Input_Type{
SINGLE_LINE_STRING,
SINGLE_LINE_FILE
};
struct Single_Line_Mode{
Single_Line_Input_Type type;
String *string;
Hot_Directory *hot_directory;
b32 fast_folder_select;
b32 try_to_match;
b32 case_sensitive;
};
internal Single_Line_Input_Step
app_single_line_input_core(System_Functions *system, Working_Set *working_set, Key_Event_Data key, Single_Line_Mode mode){
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Single_Line_Input_Step result = {0};
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if (key.keycode == key_back){
result.hit_backspace = 1;
if (mode.string->size > 0){
result.made_a_change = 1;
--mode.string->size;
switch (mode.type){
case SINGLE_LINE_STRING:
{
mode.string->str[mode.string->size] = 0;
}break;
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case SINGLE_LINE_FILE:
{
if (!key.modifiers[MDFR_CONTROL_INDEX]){
char end_character = mode.string->str[mode.string->size];
if (char_is_slash(end_character)){
mode.string->size = reverse_seek_slash(*mode.string) + 1;
mode.string->str[mode.string->size] = 0;
hot_directory_set(system, mode.hot_directory, *mode.string);
}
else{
mode.string->str[mode.string->size] = 0;
}
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}
else{
mode.string->str[mode.string->size] = 0;
}
}break;
}
}
}
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else if (key.character == '\n' || key.character == '\t'){
// NOTE(allen): do nothing!
}
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else if (key.keycode == key_esc){
result.hit_esc = 1;
result.made_a_change = 1;
}
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else if (key.character){
result.hit_a_character = 1;
if (!key.modifiers[MDFR_CONTROL_INDEX] && !key.modifiers[MDFR_ALT_INDEX]){
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if (mode.string->size+1 < mode.string->memory_size){
u8 new_character = (u8)key.character;
mode.string->str[mode.string->size] = new_character;
mode.string->size++;
mode.string->str[mode.string->size] = 0;
if (mode.type == SINGLE_LINE_FILE && char_is_slash(new_character)){
hot_directory_set(system, mode.hot_directory, *mode.string);
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}
result.made_a_change = 1;
}
}
else{
result.did_command = 1;
}
}
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return result;
}
inline Single_Line_Input_Step
app_single_line_input_step(System_Functions *system, Key_Event_Data key, String *string){
Single_Line_Mode mode = {};
mode.type = SINGLE_LINE_STRING;
mode.string = string;
return app_single_line_input_core(system, 0, key, mode);
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}
inline Single_Line_Input_Step
app_single_file_input_step(System_Functions *system,
Working_Set *working_set, Key_Event_Data key,
String *string, Hot_Directory *hot_directory,
b32 try_to_match, b32 case_sensitive){
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Single_Line_Mode mode = {};
mode.type = SINGLE_LINE_FILE;
mode.string = string;
mode.hot_directory = hot_directory;
mode.try_to_match = try_to_match;
mode.case_sensitive = case_sensitive;
return app_single_line_input_core(system, working_set, key, mode);
}
inline Single_Line_Input_Step
app_single_number_input_step(System_Functions *system, Key_Event_Data key, String *string){
Single_Line_Input_Step result = {};
Single_Line_Mode mode = {};
mode.type = SINGLE_LINE_STRING;
mode.string = string;
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char c = (char)key.character;
if (c == 0 || c == '\n' || char_is_numeric(c))
result = app_single_line_input_core(system, 0, key, mode);
return result;
}
internal void
append_label(String *string, i32 indent_level, char *message){
i32 r = 0;
for (r = 0; r < indent_level; ++r){
append_s_char(string, '>');
}
append_sc(string, message);
}
internal void
show_gui_line(GUI_Target *target, String *string, i32 indent_level, i32 h_align, char *message, char *follow_up){
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string->size = 0;
append_label(string, indent_level, message);
if (follow_up){
append_padding(string, '-', h_align);
append_s_char(string, ' ');
append_sc(string, follow_up);
}
gui_do_text_field(target, *string, null_string);
}
internal void
show_gui_int(GUI_Target *target, String *string,
i32 indent_level, i32 h_align, char *message, i32 x){
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string->size = 0;
append_label(string, indent_level, message);
append_padding(string, '-', h_align);
append_s_char(string, ' ');
append_int_to_str(string, x);
gui_do_text_field(target, *string, null_string);
}
internal void
show_gui_u64(GUI_Target *target, String *string,
i32 indent_level, i32 h_align, char *message, u64 x){
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string->size = 0;
append_label(string, indent_level, message);
append_padding(string, '-', h_align);
append_s_char(string, ' ');
append_u64_to_str(string, x);
gui_do_text_field(target, *string, null_string);
}
internal void
show_gui_int_int(GUI_Target *target, String *string,
i32 indent_level, i32 h_align, char *message, i32 x, i32 m){
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string->size = 0;
append_label(string, indent_level, message);
append_padding(string, '-', h_align);
append_s_char(string, ' ');
append_int_to_str(string, x);
append_s_char(string, '/');
append_int_to_str(string, m);
gui_do_text_field(target, *string, null_string);
}
internal void
show_gui_id(GUI_Target *target, String *string,
i32 indent_level, i32 h_align, char *message, GUI_id id){
string->size = 0;
append_label(string, indent_level, message);
append_padding(string, '-', h_align);
append_ss(string, make_lit_string(" [0]: "));
append_u64_to_str(string, id.id[0]);
append_padding(string, ' ', h_align + 26);
append_ss(string, make_lit_string(" [1]: "));
append_u64_to_str(string, id.id[1]);
gui_do_text_field(target, *string, null_string);
}
internal void
show_gui_float(GUI_Target *target, String *string,
i32 indent_level, i32 h_align, char *message, float x){
string->size = 0;
append_label(string, indent_level, message);
append_padding(string, '-', h_align);
append_s_char(string, ' ');
append_float_to_str(string, x);
gui_do_text_field(target, *string, null_string);
}
internal void
show_gui_scroll(GUI_Target *target, String *string,
i32 indent_level, i32 h_align, char *message,
GUI_Scroll_Vars scroll){
show_gui_line (target, string, indent_level, 0, message, 0);
show_gui_float(target, string, indent_level+1, h_align, " scroll_y ", scroll.scroll_y);
show_gui_int (target, string, indent_level+1, h_align, " target_y ", scroll.target_y);
show_gui_int (target, string, indent_level+1, h_align, " prev_target_y ", scroll.prev_target_y);
show_gui_float(target, string, indent_level+1, h_align, " scroll_x ", scroll.scroll_x);
show_gui_int (target, string, indent_level+1, h_align, " target_x ", scroll.target_x);
show_gui_int (target, string, indent_level+1, h_align, " prev_target_x ", scroll.prev_target_x);
}
internal void
show_gui_cursor(GUI_Target *target, String *string,
i32 indent_level, i32 h_align, char *message,
Full_Cursor cursor){
show_gui_line (target, string, indent_level, 0, message, 0);
show_gui_int (target, string, indent_level+1, h_align, " pos ", cursor.pos);
show_gui_int (target, string, indent_level+1, h_align, " line ", cursor.line);
show_gui_int (target, string, indent_level+1, h_align, " column ", cursor.character);
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show_gui_float(target, string, indent_level+1, h_align, " unwrapped_x ", cursor.unwrapped_x);
show_gui_float(target, string, indent_level+1, h_align, " unwrapped_y ", cursor.unwrapped_y);
show_gui_float(target, string, indent_level+1, h_align, " wrapped_x ", cursor.wrapped_x);
show_gui_float(target, string, indent_level+1, h_align, " wrapped_y ", cursor.wrapped_y);
}
internal void
show_gui_region(GUI_Target *target, String *string,
i32 indent_level, i32 h_align, char *message,
i32_Rect region){
show_gui_line(target, string, indent_level, 0, message, 0);
show_gui_int (target, string, indent_level+1, h_align, " x0 ", region.x0);
show_gui_int (target, string, indent_level+1, h_align, " y0 ", region.y0);
show_gui_int (target, string, indent_level+1, h_align, " x1 ", region.x1);
show_gui_int (target, string, indent_level+1, h_align, " y1 ", region.y1);
}
struct View_Step_Result{
b32 animating;
b32 consume_keys;
b32 consume_esc;
};
inline void
gui_show_mouse(GUI_Target *target, String *string, i32 mx, i32 my){
string->size = 0;
append_ss(string, make_lit_string("mouse: ("));
append_int_to_str(string, mx);
append_s_char(string, ',');
append_int_to_str(string, my);
append_s_char(string, ')');
gui_do_text_field(target, *string, null_string);
}
internal View_Step_Result
step_file_view(System_Functions *system, View *view, View *active_view, Input_Summary input){
View_Step_Result result = {0};
GUI_Target *target = &view->gui_target;
Models *models = view->persistent.models;
Key_Input_Data keys = input.keys;
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b32 show_scrollbar = !view->hide_scrollbar;
if (view->showing_ui != VUI_None){
b32 did_esc = 0;
Key_Event_Data key;
i32 i;
for (i = 0; i < keys.count; ++i){
key = get_single_key(&keys, i);
if (key.keycode == key_esc){
did_esc = 1;
break;
}
}
if (did_esc){
view_show_file(view);
result.consume_esc = 1;
}
}
gui_begin_top_level(target, input);
{
if (view->showing_ui != VUI_Debug){
gui_do_top_bar(target);
}
do_widget(view, target);
if (view->showing_ui == VUI_None){
gui_begin_serial_section(target);
{
i32 delta = 9 * view->line_height;
GUI_id scroll_context = {0};
scroll_context.id[1] = view->showing_ui;
scroll_context.id[0] = (u64)(view->file_data.file);
GUI_Scroll_Vars scroll_zero = {0};
GUI_Scroll_Vars *scroll = &scroll_zero;
if (view->file_data.file){
Assert(view->edit_pos);
scroll = &view->edit_pos->scroll;
}
gui_begin_scrollable(target, scroll_context, *scroll,
delta, show_scrollbar);
gui_do_file(target);
gui_end_scrollable(target);
}
gui_end_serial_section(target);
}
else{
switch (view->showing_ui){
case VUI_Menu:
{
String message = make_lit_string("Menu");
String empty_string = {0};
GUI_id id = {0};
id.id[1] = VUI_Menu;
gui_do_text_field(target, message, empty_string);
id.id[0] = 0;
message = make_lit_string("Theme");
if (gui_do_fixed_option(target, id, message, 0)){
view_show_theme(view);
}
id.id[0] = 1;
message = make_lit_string("Config");
if (gui_do_fixed_option(target, id, message, 0)){
view_show_GUI(view, VUI_Config);
}
}break;
case VUI_Config:
{
String message = make_lit_string("Config");
String empty_string = {0};
GUI_id id = {0};
id.id[1] = VUI_Config;
gui_do_text_field(target, message, empty_string);
id.id[0] = 0;
message = make_lit_string("Left Ctrl + Left Alt = AltGr");
if (gui_do_fixed_option_checkbox(target, id, message, 0, (b8)models->settings.lctrl_lalt_is_altgr)){
models->settings.lctrl_lalt_is_altgr = !models->settings.lctrl_lalt_is_altgr;
}
}break;
case VUI_Theme:
{
if (view != active_view){
view->hot_file_view = active_view;
}
String message = {0};
String empty_string = {0};
GUI_id id = {0};
id.id[1] = VUI_Theme + ((u64)view->color_mode << 32);
GUI_id scroll_context = {0};
scroll_context.id[0] = 0;
scroll_context.id[1] = VUI_Theme + ((u64)view->color_mode << 32);
switch (view->color_mode){
case CV_Mode_Library:
{
message = make_lit_string("Current Theme - Click to Edit");
gui_do_text_field(target, message, empty_string);
id.id[0] = (u64)(main_style(models));
if (gui_do_style_preview(target, id, 0)){
view->color_mode = CV_Mode_Adjusting;
}
if (view->file_data.file){
message = make_lit_string("Set Font");
id.id[0] = (u64)(&view->file_data.file->settings.font_id);
if (gui_do_button(target, id, message)){
view->color_mode = CV_Mode_Font;
}
}
message = make_lit_string("Set Global Font");
id.id[0] = (u64)(&models->global_font_id);
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if (gui_do_button(target, id, message)){
view->color_mode = CV_Mode_Global_Font;
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}
message = make_lit_string("Theme Library - Click to Select");
gui_do_text_field(target, message, empty_string);
gui_begin_scrollable(target, scroll_context, view->gui_scroll,
9 * view->line_height, show_scrollbar);
{
i32 count = models->styles.count;
for (i32 i = 1; i < count; ++i){
Style *style = get_style(models, i);
id.id[0] = (u64)(style);
if (gui_do_style_preview(target, id, i)){
style_copy(main_style(models), style);
}
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}
}
gui_end_scrollable(target);
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}
break;
case CV_Mode_Global_Font:
case CV_Mode_Font:
{
Editing_File *file = view->file_data.file;
Assert(file != 0);
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message = make_lit_string("Back");
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id.id[0] = 0;
if (gui_do_button(target, id, message)){
view->color_mode = CV_Mode_Library;
}
2017-03-11 18:53:48 +00:00
Font_ID font_id = models->global_font_id;
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if (view->color_mode == CV_Mode_Font){
font_id = file->settings.font_id;
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}
// TODO(allen): paginate the display
2017-03-11 18:53:48 +00:00
Font_ID new_font_id = font_id;
u32 total_count = system->font.get_count();
u32 count = Min(total_count, 10);
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for (u32 font_index = 0; font_index < count; ++font_index){
Font_ID this_font_id = 0;
system->font.get_ids_by_index(font_index, 1, &this_font_id);
char name_space[256];
String name = make_fixed_width_string(name_space);
name.size = system->font.get_name_by_index(font_index, name.str, name.memory_size);
id.id[0] = (u64)font_index + 1;
if (this_font_id != font_id){
if (gui_do_font_button(target, id, this_font_id, name)){
new_font_id = this_font_id;
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}
}
else{
char message_space[256];
message = make_fixed_width_string(message_space);
copy_ss(&message, make_lit_string("currently selected: "));
append_ss(&message, name);
gui_do_font_button(target, id, this_font_id, message);
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}
}
if (font_id != new_font_id){
if (view->color_mode == CV_Mode_Font){
file_set_font(system, models, file, new_font_id);
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}
else{
global_set_font(system, models, new_font_id);
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}
}
}break;
case CV_Mode_Adjusting:
{
Style *style = main_style(models);
u32 *edit_color = 0;
u32 *fore = 0, *back = 0;
i32 i = 0;
message = make_lit_string("Back");
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id.id[0] = 0;
if (gui_do_button(target, id, message)){
view->color_mode = CV_Mode_Library;
}
gui_begin_scrollable(target, scroll_context, view->gui_scroll,
9 * view->line_height, show_scrollbar);
i32 next_color_editing = view->current_color_editing;
for (i = 0; i < ArrayCount(colors_to_edit); ++i){
edit_color = style_index_by_tag(&style->main, colors_to_edit[i].target);
id.id[0] = (u64)(edit_color);
fore = style_index_by_tag(&style->main, colors_to_edit[i].fore);
back = style_index_by_tag(&style->main, colors_to_edit[i].back);
if (gui_do_color_button(target, id, *fore, *back, colors_to_edit[i].text)){
next_color_editing = i;
view->color_cursor = 0;
}
if (view->current_color_editing == i){
GUI_Item_Update update = {0};
char text_space[7];
String text = make_fixed_width_string(text_space);
color_to_hexstr(&text, *edit_color);
if (gui_do_text_with_cursor(target, view->color_cursor, text, &update)){
b32 r = 0;
i32 j = 0;
for (j = 0; j < keys.count; ++j){
Key_Code key = keys.keys[j].keycode;
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switch (key){
case key_left: --view->color_cursor; r = 1; result.consume_keys = 1; break;
case key_right: ++view->color_cursor; r = 1; result.consume_keys = 1; break;
case key_up:
if (next_color_editing > 0){
--next_color_editing;
}
result.consume_keys = 1;
break;
case key_down:
if (next_color_editing <= ArrayCount(colors_to_edit)-1){
++next_color_editing;
}
result.consume_keys = 1;
break;
default:
if ((key >= '0' && key <= '9') || (key >= 'a' && key <= 'f') || (key >= 'A' && key <= 'F')){
text.str[view->color_cursor] = (char)key;
r = 1;
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result.consume_keys = 1;
}
break;
}
if (view->color_cursor < 0) view->color_cursor = 0;
if (view->color_cursor >= 6) view->color_cursor = 5;
}
if (r){
hexstr_to_color(text, edit_color);
gui_rollback(target, &update);
gui_do_text_with_cursor(target, view->color_cursor, text, 0);
}
}
}
}
if (view->current_color_editing != next_color_editing){
view->current_color_editing = next_color_editing;
view->color_cursor = 0;
}
gui_end_scrollable(target);
}break;
}
}break;
case VUI_Interactive:
{
b32 complete = 0;
char comp_dest_space[1024];
String comp_dest = make_fixed_width_string(comp_dest_space);
i32 comp_action = 0;
GUI_id id = {0};
id.id[1] = VUI_Interactive + ((u64)view->interaction << 32);
GUI_id scroll_context = {0};
scroll_context.id[1] = VUI_Interactive + ((u64)view->interaction << 32);
Key_Code user_up_key = models->user_up_key;
Key_Code user_down_key = models->user_down_key;
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switch (view->interaction){
case IInt_Sys_File_List:
{
b32 autocomplete_with_enter = 1;
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b32 activate_directly = 0;
if (view->action == IAct_Save_As || view->action == IAct_New){
autocomplete_with_enter = 0;
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}
String message = null_string;
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switch (view->action){
case IAct_Open: message = make_lit_string("Open: "); break;
case IAct_Save_As: message = make_lit_string("Save As: "); break;
case IAct_New: message = make_lit_string("New: "); break;
}
Exhaustive_File_Loop loop;
Exhaustive_File_Info file_info;
GUI_Item_Update update = {0};
Hot_Directory *hdir = &models->hot_directory;
{
Single_Line_Input_Step step = {0};
Key_Event_Data key = {0};
i32 i;
for (i = 0; i < keys.count; ++i){
key = get_single_key(&keys, i);
step = app_single_file_input_step(system, &models->working_set, key,
&hdir->string, hdir, 1, 0);
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if (step.made_a_change){
view->list_i = 0;
result.consume_keys = 1;
}
if (!autocomplete_with_enter && key.keycode == '\n'){
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activate_directly = 1;
result.consume_keys = 1;
}
}
}
gui_do_text_field(target, message, hdir->string);
b32 snap_into_view = 0;
scroll_context.id[0] = (u64)(hdir);
if (gui_scroll_was_activated(target, scroll_context)){
snap_into_view = 1;
}
gui_begin_scrollable(target, scroll_context, view->gui_scroll,
9 * view->line_height, show_scrollbar);
id.id[0] = (u64)(hdir) + 1;
if (gui_begin_list(target, id, view->list_i, 0,
snap_into_view, &update)){
// TODO(allen): Allow me to handle key consumption correctly here!
gui_standard_list(target, id, &view->gui_scroll, view->scroll_region, &keys, &view->list_i, &update, user_up_key, user_down_key);
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}
b32 do_new_directory = false;
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begin_exhaustive_loop(&loop, hdir);
for (i32 i = 0; i < loop.count; ++i){
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file_info = get_exhaustive_info(system, &models->working_set, &loop, i);
if (file_info.name_match){
id.id[0] = (u64)(file_info.info);
char *str = file_info.info->filename;
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i32 len = file_info.info->filename_len;
String filename = make_string_cap(str, len, len + 1);
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if (gui_do_file_option(target, id, filename, file_info.is_folder, file_info.message)){
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if (file_info.is_folder){
set_last_folder_sc(&hdir->string, file_info.info->filename, '/');
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do_new_directory = 1;
}
else if (autocomplete_with_enter){
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complete = 1;
copy_ss(&comp_dest, loop.full_path);
}
}
}
}
gui_end_list(target);
if (activate_directly){
complete = 1;
copy_ss(&comp_dest, hdir->string);
}
if (do_new_directory){
hot_directory_reload(system, hdir);
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}
gui_end_scrollable(target);
}break;
case IInt_Live_File_List:
{
local_persist String message_unsaved = make_lit_string(" *");
local_persist String message_unsynced = make_lit_string(" !");
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String message = null_string;
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switch (view->action){
case IAct_Switch: message = make_lit_string("Switch: "); break;
case IAct_Kill: message = make_lit_string("Kill: "); break;
}
Working_Set *working_set = &models->working_set;
Editing_Layout *layout = &models->layout;
GUI_Item_Update update = {0};
{
Single_Line_Input_Step step;
Key_Event_Data key;
i32 i;
for (i = 0; i < keys.count; ++i){
key = get_single_key(&keys, i);
step = app_single_line_input_step(system, key, &view->dest);
if (step.made_a_change){
view->list_i = 0;
result.consume_keys = 1;
}
}
}
Absolutes absolutes = {0};
get_absolutes(view->dest, &absolutes, 1, 1);
gui_do_text_field(target, message, view->dest);
b32 snap_into_view = 0;
scroll_context.id[0] = (u64)(working_set);
if (gui_scroll_was_activated(target, scroll_context)){
snap_into_view = 1;
}
gui_begin_scrollable(target, scroll_context, view->gui_scroll, 9 * view->line_height, show_scrollbar);
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id.id[0] = (u64)(working_set) + 1;
if (gui_begin_list(target, id, view->list_i, 0, snap_into_view, &update)){
gui_standard_list(target, id, &view->gui_scroll, view->scroll_region, &keys, &view->list_i, &update, user_up_key, user_down_key);
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}
{
Partition *part = &models->mem.part;
Temp_Memory temp = begin_temp_memory(part);
File_Node *node = 0, *used_nodes = 0;
Editing_File **reserved_files = 0;
i32 reserved_top = 0, i = 0;
partition_align(part, sizeof(i32));
reserved_files = (Editing_File**)partition_current(part);
used_nodes = &working_set->used_sentinel;
for (dll_items(node, used_nodes)){
Editing_File *file = (Editing_File*)node;
Assert(!file->is_dummy);
if (wildcard_match_s(&absolutes, file->name.live_name, 0) != 0){
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View_Iter iter = file_view_iter_init(layout, file, 0);
if (file_view_iter_good(iter)){
reserved_files[reserved_top++] = file;
}
else{
if (file->name.live_name.str[0] == '*'){
reserved_files[reserved_top++] = file;
}
else{
message = null_string;
if (!file->settings.unimportant){
switch (file_get_sync(file)){
case DirtyState_UnloadedChanges: message = message_unsynced; break;
case DirtyState_UnsavedChanges: message = message_unsaved; break;
}
}
id.id[0] = (u64)(file);
if (gui_do_file_option(target, id, file->name.live_name, 0, message)){
complete = 1;
copy_ss(&comp_dest, file->name.live_name);
}
}
}
}
}
for (i = 0; i < reserved_top; ++i){
Editing_File *file = reserved_files[i];
message = null_string;
if (!file->settings.unimportant){
switch (file_get_sync(file)){
case DirtyState_UnloadedChanges: message = message_unsynced; break;
case DirtyState_UnsavedChanges: message = message_unsaved; break;
}
}
id.id[0] = (u64)(file);
if (gui_do_file_option(target, id, file->name.live_name, 0, message)){
complete = 1;
copy_ss(&comp_dest, file->name.live_name);
}
}
end_temp_memory(temp);
}
gui_end_list(target);
gui_end_scrollable(target);
}break;
case IInt_Sure_To_Close:
{
i32 action = -1;
String empty_str = {0};
String message = make_lit_string("There is one or more files unsaved changes, close anyway?");
gui_do_text_field(target, message, empty_str);
id.id[0] = (u64)('y');
message = make_lit_string("(Y)es");
if (gui_do_fixed_option(target, id, message, 'y')){
action = 0;
}
id.id[0] = (u64)('n');
message = make_lit_string("(N)o");
if (gui_do_fixed_option(target, id, message, 'n')){
action = 1;
}
if (action != -1){
complete = 1;
copy_ss(&comp_dest, view->dest);
comp_action = action;
}
}break;
case IInt_Sure_To_Kill:
{
i32 action = -1;
String empty_str = {0};
String message = make_lit_string("There are unsaved changes, close anyway?");
gui_do_text_field(target, message, empty_str);
id.id[0] = (u64)('y');
message = make_lit_string("(Y)es");
if (gui_do_fixed_option(target, id, message, 'y')){
action = 0;
}
id.id[0] = (u64)('n');
message = make_lit_string("(N)o");
if (gui_do_fixed_option(target, id, message, 'n')){
action = 1;
}
id.id[0] = (u64)('s');
message = make_lit_string("(S)ave and kill");
if (gui_do_fixed_option(target, id, message, 's')){
action = 2;
}
if (action != -1){
complete = 1;
copy_ss(&comp_dest, view->dest);
comp_action = action;
}
}break;
}
if (complete){
terminate_with_null(&comp_dest);
interactive_view_complete(system, view, comp_dest, comp_action);
}
}break;
case VUI_Debug:
{
GUI_id scroll_context = {0};
scroll_context.id[1] = VUI_Debug + ((u64)view->debug_vars.mode << 32);
GUI_id id = {0};
id.id[1] = VUI_Debug + ((u64)view->debug_vars.mode << 32);
// TODO(allen):
// + Incoming input
// + Memory info
// + Thread info
// + View inspection
// - auto generate?
// - expand/collapse sections
// - Buffer inspection
// - Command maps inspection
// - Clipboard inspection
String empty_str = null_string;
char space1[512];
String string = make_fixed_width_string(space1);
// Time Watcher
{
string.size = 0;
u64 time = system->now_time();
append_ss(&string, make_lit_string("last redraw: "));
append_u64_to_str(&string, time);
gui_do_text_field(target, string, empty_str);
}
{
i32 prev_mode = view->debug_vars.mode;
for (i32 i = 0; i < keys.count; ++i){
Key_Event_Data key = get_single_key(&keys, i);
if (key.modifiers[MDFR_CONTROL_INDEX] == 0 &&
key.modifiers[MDFR_ALT_INDEX] == 0){
if (key.keycode == 'i'){
view->debug_vars.mode = DBG_Input;
}
if (key.keycode == 'm'){
view->debug_vars.mode = DBG_Threads_And_Memory;
}
if (key.keycode == 'v'){
view->debug_vars.mode = DBG_View_Inspection;
}
}
}
if (prev_mode != view->debug_vars.mode){
result.consume_keys = 1;
}
}
gui_begin_scrollable(target, scroll_context, view->gui_scroll,
9 * view->line_height, show_scrollbar);
switch (view->debug_vars.mode)
{
case DBG_Input:
{
Debug_Data *debug = &view->persistent.models->debug;
gui_show_mouse(target, &string, input.mouse.x, input.mouse.y);
Debug_Input_Event *input_event = debug->input_events;
for (i32 i = 0;
i < ArrayCount(debug->input_events);
++i, ++input_event){
string.size = 0;
if (input_event->is_hold){
append_ss(&string, make_lit_string("hold: "));
}
else{
append_ss(&string, make_lit_string("press: "));
}
if (input_event->is_ctrl){
append_ss(&string, make_lit_string("ctrl-"));
}
else{
append_ss(&string, make_lit_string(" -"));
}
if (input_event->is_alt){
append_ss(&string, make_lit_string("alt-"));
}
else{
append_ss(&string, make_lit_string(" -"));
}
if (input_event->is_shift){
append_ss(&string, make_lit_string("shift "));
}
else{
append_ss(&string, make_lit_string(" "));
}
if (input_event->key > ' ' && input_event->key <= '~'){
append_ss(&string, make_string(&input_event->key, 1));
}
else if (input_event->key == ' '){
append_ss(&string, make_lit_string("space"));
}
else if (input_event->key == '\n'){
append_ss(&string, make_lit_string("\\n"));
}
else if (input_event->key == '\t'){
append_ss(&string, make_lit_string("\\t"));
}
else{
String str;
str.str = global_key_name(input_event->key, &str.size);
if (str.str){
str.memory_size = str.size + 1;
append_ss(&string, str);
}
else{
append_ss(&string, make_lit_string("unrecognized!"));
}
}
if (input_event->consumer[0] != 0){
append_padding(&string, ' ', 40);
append_sc(&string, input_event->consumer);
}
gui_do_text_field(target, string, empty_str);
}
}break;
case DBG_Threads_And_Memory:
{
b8 threads[4];
i32 pending = 0;
if (system->internal_get_thread_states){
system->internal_get_thread_states(BACKGROUND_THREADS,
threads, &pending);
string.size = 0;
append_ss(&string, make_lit_string("pending jobs: "));
append_int_to_str(&string, pending);
gui_do_text_field(target, string, empty_str);
for (i32 i = 0; i < 4; ++i){
string.size = 0;
append_ss(&string, make_lit_string("thread "));
append_int_to_str(&string, i);
append_ss(&string, make_lit_string(": "));
if (threads[i]){
append_ss(&string, make_lit_string("running"));
}
else{
append_ss(&string, make_lit_string("waiting"));
}
gui_do_text_field(target, string, empty_str);
}
}
Partition *part = &models->mem.part;
string.size = 0;
append_ss(&string, make_lit_string("part memory: "));
append_int_to_str(&string, part->pos);
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append_s_char(&string, '/');
append_int_to_str(&string, part->max);
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gui_do_text_field(target, string, empty_str);
#if !defined(FED_DEBUG_MEM_H)
General_Memory *general = &models->mem.general;
Bubble *bubble = 0, *sentinel = &general->sentinel;
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for (dll_items(bubble, sentinel)){
string.size = 0;
if (bubble->flags & MEM_BUBBLE_USED){
append_ss(&string, make_lit_string(" used: "));
}
else{
append_ss(&string, make_lit_string(" free: "));
}
append_int_to_str(&string, bubble->size);
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append_padding(&string, ' ', 40);
gui_do_text_field(target, string, empty_str);
}
#endif
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}break;
case DBG_View_Inspection:
{
i32 inspecting_id = view->debug_vars.inspecting_view_id;
View *views_to_inspect[16];
i32 view_count = 0;
b32 low_detail = 1;
if (inspecting_id == 0){
Editing_Layout *layout = &models->layout;
Panel *panel, *sentinel;
sentinel = &layout->used_sentinel;
for (dll_items(panel, sentinel)){
View *view_ptr = panel->view;
views_to_inspect[view_count++] = view_ptr;
}
}
else if (inspecting_id >= 1 && inspecting_id <= 16){
Live_Views *live_set = models->live_set;
View *view_ptr = live_set->views + inspecting_id - 1;
views_to_inspect[view_count++] = view_ptr;
low_detail = 0;
}
for (i32 i = 0; i < view_count; ++i){
View *view_ptr = views_to_inspect[i];
string.size = 0;
append_ss(&string, make_lit_string("view: "));
append_int_to_str(&string, view_ptr->persistent.id + 1);
gui_do_text_field(target, string, empty_str);
string.size = 0;
Editing_File *file = view_ptr->file_data.file;
append_ss(&string, make_lit_string(" > buffer: "));
if (file){
append_ss(&string, file->name.live_name);
gui_do_text_field(target, string, empty_str);
string.size = 0;
append_ss(&string, make_lit_string(" >> buffer-slot-id: "));
append_int_to_str(&string, file->id.id);
}
else{
append_ss(&string, make_lit_string("*NULL*"));
gui_do_text_field(target, string, empty_str);
}
if (low_detail){
string.size = 0;
append_ss(&string, make_lit_string("inspect this"));
id.id[0] = (u64)(view_ptr->persistent.id);
if (gui_do_button(target, id, string)){
view->debug_vars.inspecting_view_id = view_ptr->persistent.id + 1;
}
}
else{
gui_show_mouse(target, &string, input.mouse.x, input.mouse.y);
#define SHOW_GUI_BLANK(n) show_gui_line(target, &string, n, 0, "", 0)
#define SHOW_GUI_LINE(n, str) show_gui_line(target, &string, n, 0, " " str, 0)
#define SHOW_GUI_STRING(n, h, str, mes) show_gui_line(target, &string, n, h, " " str " ", mes)
#define SHOW_GUI_INT(n, h, str, v) show_gui_int(target, &string, n, h, " " str " ", v)
#define SHOW_GUI_INT_INT(n, h, str, v, m) show_gui_int_int(target, &string, n, h, " " str " ", v, m)
#define SHOW_GUI_U64(n, h, str, v) show_gui_u64(target, &string, n, h, " " str " ", v)
#define SHOW_GUI_ID(n, h, str, v) show_gui_id(target, &string, n, h, " " str, v)
#define SHOW_GUI_FLOAT(n, h, str, v) show_gui_float(target, &string, n, h, " " str " ", v)
#define SHOW_GUI_BOOL(n, h, str, v) do { if (v) { show_gui_line(target, &string, n, h, " " str " ", "true"); }\
else { show_gui_line(target, &string, n, h, " " str " ", "false"); } } while(0)
#define SHOW_GUI_SCROLL(n, h, str, v) show_gui_scroll(target, &string, n, h, " " str, v)
#define SHOW_GUI_CURSOR(n, h, str, v) show_gui_cursor(target, &string, n, h, " " str, v)
#define SHOW_GUI_REGION(n, h, str, v) show_gui_region(target, &string, n, h, " " str, v)
i32 h_align = 31;
SHOW_GUI_BLANK(0);
{
Command_Map *map = view_ptr->map;
#define MAP_LABEL "command map"
if (map == &models->map_top){
SHOW_GUI_STRING(1, h_align, MAP_LABEL, "global");
}
else if (map == &models->map_file){
SHOW_GUI_STRING(1, h_align, MAP_LABEL, "file");
}
else if (map == &models->map_ui){
SHOW_GUI_STRING(1, h_align, MAP_LABEL, "gui");
}
else{
i32 map_index = (i32)(view_ptr->map - models->user_maps);
i32 map_id = models->map_id_table[map_index];
SHOW_GUI_STRING(1, h_align, MAP_LABEL, "user");
SHOW_GUI_INT(2, h_align, "custom map id", map_id);
}
}
SHOW_GUI_BLANK(0);
SHOW_GUI_LINE(1, "file data:");
SHOW_GUI_BOOL(2, h_align, "has file", view_ptr->file_data.file);
SHOW_GUI_BOOL(2, h_align, "show temp highlight", view_ptr->file_data.show_temp_highlight);
SHOW_GUI_INT (2, h_align, "start temp highlight", view_ptr->file_data.temp_highlight.pos);
SHOW_GUI_INT (2, h_align, "end temp highlight", view_ptr->file_data.temp_highlight_end_pos);
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SHOW_GUI_BOOL(2, h_align, "show whitespace", view_ptr->file_data.show_whitespace);
SHOW_GUI_BOOL(2, h_align, "locked", view_ptr->file_data.file_locked);
SHOW_GUI_BLANK(0);
SHOW_GUI_REGION(1, h_align, "scroll region", view_ptr->scroll_region);
SHOW_GUI_BLANK(0);
SHOW_GUI_LINE(1, "file editing positions");
{
File_Edit_Positions *edit_pos = view_ptr->edit_pos;
if (edit_pos){
SHOW_GUI_SCROLL(2, h_align, "scroll:", edit_pos->scroll);
SHOW_GUI_BLANK (2);
SHOW_GUI_CURSOR(2, h_align, "cursor:", edit_pos->cursor);
SHOW_GUI_BLANK (2);
SHOW_GUI_INT (2, h_align, "mark", edit_pos->mark);
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SHOW_GUI_FLOAT (2, h_align, "preferred_x", edit_pos->preferred_x);
SHOW_GUI_INT (2, h_align, "scroll_i", edit_pos->scroll_i);
}
else{
SHOW_GUI_LINE(2, "NULL");
}
}
SHOW_GUI_BLANK (0);
SHOW_GUI_SCROLL(1, h_align, "gui scroll:", view_ptr->gui_scroll);
SHOW_GUI_BLANK (0);
SHOW_GUI_LINE (1, "gui target");
SHOW_GUI_INT_INT(2, h_align, "gui partition",
view_ptr->gui_target.push.pos,
view_ptr->gui_target.push.max);
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SHOW_GUI_BLANK (2);
SHOW_GUI_ID (2, h_align, "active", view_ptr->gui_target.active);
SHOW_GUI_ID (2, h_align, "mouse_hot", view_ptr->gui_target.mouse_hot);
SHOW_GUI_ID (2, h_align, "auto_hot", view_ptr->gui_target.auto_hot);
SHOW_GUI_ID (2, h_align, "hover", view_ptr->gui_target.hover);
SHOW_GUI_ID (2, h_align, "scroll_id", view_ptr->gui_target.scroll_id);
SHOW_GUI_BLANK (2);
SHOW_GUI_SCROLL (2, h_align, "scroll_original", view_ptr->gui_target.scroll_original);
SHOW_GUI_REGION (2, h_align, "region_original", view_ptr->gui_target.region_original);
SHOW_GUI_BLANK (2);
SHOW_GUI_REGION (2, h_align, "region_updated", view_ptr->gui_target.region_updated);
SHOW_GUI_BLANK (1);
SHOW_GUI_SCROLL (1, h_align, "gui scroll", view_ptr->gui_scroll);
}
}
}break;
}
gui_end_scrollable(target);
}break;
}
}
}
gui_end_top_level(target);
result.animating = target->animating;
return(result);
}
internal f32
view_get_scroll_y(View *view){
f32 v = 0;
if (view->showing_ui == VUI_None){
File_Edit_Positions *edit_pos = view->edit_pos;
if (edit_pos){
v = edit_pos->scroll.scroll_y;
}
}
else{
v = view->gui_scroll.scroll_y;
}
return(v);
}
internal b32
click_button_input(GUI_Target *target, GUI_Session *session, Input_Summary *user_input,
GUI_Interactive *b, b32 *is_animating){
b32 result = 0;
i32 mx = user_input->mouse.x;
i32 my = user_input->mouse.y;
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if (hit_check(mx, my, session->rect)){
target->hover = b->id;
if (user_input->mouse.press_l){
target->mouse_hot = b->id;
*is_animating = 1;
result = 1;
}
if (user_input->mouse.release_l && gui_id_eq(target->mouse_hot, b->id)){
target->active = b->id;
target->mouse_hot = gui_id_zero();
*is_animating = 1;
}
}
else if (gui_id_eq(target->hover, b->id)){
target->hover = gui_id_zero();
}
return(result);
}
internal b32
scroll_button_input(GUI_Target *target, GUI_Session *session, Input_Summary *user_input,
GUI_id id, b32 *is_animating){
b32 result = 0;
i32 mx = user_input->mouse.x;
i32 my = user_input->mouse.y;
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if (hit_check(mx, my, session->rect)){
target->hover = id;
if (user_input->mouse.l){
target->mouse_hot = id;
gui_activate_scrolling(target);
*is_animating = 1;
result = 1;
}
}
else if (gui_id_eq(target->hover, id)){
target->hover = gui_id_zero();
}
return(result);
}
struct Input_Process_Result{
GUI_Scroll_Vars vars;
i32_Rect region;
b32 is_animating;
b32 consumed_l;
b32 consumed_r;
b32 has_max_y_suggestion;
i32 max_y;
};
static char
to_writable_char(Key_Code long_character){
char character = 0;
if (long_character < ' '){
if (long_character == '\n'){
character = '\n';
}
else if (long_character == '\t'){
character = '\t';
}
}
else if (long_character >= ' ' && long_character <= 255 && long_character != 127){
character = (char)long_character;
}
return(character);
}
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internal Input_Process_Result
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do_step_file_view(System_Functions *system, View *view, i32_Rect rect, b32 is_active, Input_Summary *user_input, GUI_Scroll_Vars vars, i32_Rect region, i32 max_y){
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Input_Process_Result result = {0};
b32 is_file_scroll = 0;
GUI_Session gui_session = {0};
GUI_Header *h = 0;
GUI_Target *target = &view->gui_target;
GUI_Interpret_Result interpret_result = {0};
vars.target_y = clamp(0, vars.target_y, max_y);
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result.vars = vars;
result.region = region;
target->active = gui_id_zero();
if (target->push.pos > 0){
gui_session_init(&gui_session, target, rect, view->line_height);
for (h = (GUI_Header*)target->push.base;
h->type;
h = NextHeader(h)){
interpret_result = gui_interpret(target, &gui_session, h,
result.vars, result.region, max_y);
if (interpret_result.has_region){
result.region = interpret_result.region;
}
switch (h->type){
case guicom_file_option:
case guicom_fixed_option:
case guicom_fixed_option_checkbox:
{
GUI_Interactive *b = (GUI_Interactive*)h;
if (interpret_result.auto_activate){
target->auto_hot = gui_id_zero();
target->active = b->id;
result.is_animating = 1;
}
else if (interpret_result.auto_hot){
if (!gui_id_eq(target->auto_hot, b->id)){
target->auto_hot = b->id;
result.is_animating = 1;
}
}
}break;
}
if (interpret_result.has_info){
switch (h->type){
case guicom_top_bar: break;
case guicom_file:
{
// NOTE(allen): Set the file region first because the
// computation of view_compute_max_target_y depends on it.
view->file_region = gui_session.rect;
if (view->reinit_scrolling){
result.vars = view_reinit_scrolling(view);
result.is_animating = 1;
}
if (file_step(view, gui_session.rect, user_input, is_active, &result.consumed_l)){
result.is_animating = 1;
}
is_file_scroll = 1;
}break;
case guicom_color_button:
case guicom_font_button:
case guicom_button:
case guicom_file_option:
case guicom_style_preview:
{
GUI_Interactive *b = (GUI_Interactive*)h;
if (click_button_input(target, &gui_session, user_input,
b, &result.is_animating)){
result.consumed_l = 1;
}
}break;
case guicom_fixed_option:
case guicom_fixed_option_checkbox:
{
GUI_Interactive *b = (GUI_Interactive*)h;
if (click_button_input(target, &gui_session, user_input,
b, &result.is_animating)){
result.consumed_l = 1;
}
{
Key_Input_Data *keys = &user_input->keys;
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void *ptr = (b + 1);
String string = gui_read_string(&ptr);
AllowLocal(string);
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char activation_key = *(char*)ptr;
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activation_key = char_to_upper(activation_key);
if (activation_key != 0){
i32 count = keys->count;
for (i32 i = 0; i < count; ++i){
Key_Event_Data key = get_single_key(keys, i);
char character = to_writable_char(key.character);
if (char_to_upper(character) == activation_key){
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target->active = b->id;
result.is_animating = 1;
break;
}
}
}
}
}break;
case guicom_scrollable_slider:
{
GUI_id id = gui_id_scrollbar_slider();
i32 mx = user_input->mouse.x;
i32 my = user_input->mouse.y;
f32 v = 0;
if (hit_check(mx, my, gui_session.rect)){
target->hover = id;
if (user_input->mouse.press_l){
target->mouse_hot = id;
result.is_animating = 1;
result.consumed_l = 1;
}
}
else if (gui_id_eq(target->hover, id)){
target->hover = gui_id_zero();
}
if (gui_id_eq(target->mouse_hot, id)){
v = unlerp(gui_session.scroll_top, (f32)my,
gui_session.scroll_bottom);
v = clamp(0.f, v, 1.f);
result.vars.target_y = round32(lerp(0.f, v, (f32)max_y));
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gui_activate_scrolling(target);
result.is_animating = 1;
}
}
// NOTE(allen): NO BREAK HERE!!
case guicom_scrollable_invisible:
{
if (user_input->mouse.wheel != 0){
result.vars.target_y += user_input->mouse.wheel*target->delta;
result.vars.target_y =
clamp(0, result.vars.target_y, max_y);
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gui_activate_scrolling(target);
result.is_animating = 1;
}
}break;
case guicom_scrollable_top:
{
GUI_id id = gui_id_scrollbar_top();
if (scroll_button_input(target, &gui_session, user_input, id, &result.is_animating)){
result.vars.target_y -= clamp_bottom(1, target->delta >> 2);
result.vars.target_y = clamp_bottom(0, result.vars.target_y);
result.consumed_l = 1;
}
}break;
case guicom_scrollable_bottom:
{
GUI_id id = gui_id_scrollbar_bottom();
if (scroll_button_input(target, &gui_session, user_input, id, &result.is_animating)){
result.vars.target_y += clamp_bottom(1, target->delta >> 2);
result.vars.target_y = clamp_top(result.vars.target_y, max_y);
result.consumed_l = 1;
}
}break;
case guicom_end_scrollable_section:
{
if (!is_file_scroll){
result.has_max_y_suggestion = 1;
result.max_y = gui_session.suggested_max_y;
}
}break;
}
}
}
if (!user_input->mouse.l){
if (!gui_id_is_null(target->mouse_hot)){
target->mouse_hot = gui_id_zero();
result.is_animating = 1;
}
}
{
GUI_Scroll_Vars scroll_vars = result.vars;
b32 is_new_target = 0;
if (scroll_vars.target_x != scroll_vars.prev_target_x ||
scroll_vars.target_y != scroll_vars.prev_target_y){
is_new_target = 1;
}
f32 target_x = (f32)scroll_vars.target_x;
f32 target_y = (f32)scroll_vars.target_y;
if (view->persistent.models->scroll_rule(target_x, target_y,
&scroll_vars.scroll_x, &scroll_vars.scroll_y,
(view->persistent.id) + 1, is_new_target, user_input->dt)){
result.is_animating = 1;
}
scroll_vars.prev_target_x = scroll_vars.target_x;
scroll_vars.prev_target_y = scroll_vars.target_y;
result.vars = scroll_vars;
}
}
return(result);
}
internal i32
draw_file_loaded(System_Functions *system, View *view, i32_Rect rect, b32 is_active, Render_Target *target){
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Models *models = view->persistent.models;
Editing_File *file = view->file_data.file;
Style *style = main_style(models);
i32 line_height = view->line_height;
f32 max_x = view_file_display_width(view);
i32 max_y = rect.y1 - rect.y0 + line_height;
Assert(file && !file->is_dummy && buffer_good(&file->state.buffer));
Assert(view->edit_pos);
b32 tokens_use = 0;
Cpp_Token_Array token_array = {};
if (file){
tokens_use = file->state.tokens_complete && (file->state.token_array.count > 0);
token_array = file->state.token_array;
}
Partition *part = &models->mem.part;
Temp_Memory temp = begin_temp_memory(part);
partition_align(part, 4);
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f32 left_side_space = 0;
i32 max = partition_remaining(part) / sizeof(Buffer_Render_Item);
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Buffer_Render_Item *items = push_array(part, Buffer_Render_Item, max);
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Font_ID font_id = file->settings.font_id;
Render_Font *font = system->font.get_render_data_by_id(font_id);
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f32 scroll_x = view->edit_pos->scroll.scroll_x;
f32 scroll_y = view->edit_pos->scroll.scroll_y;
// NOTE(allen): For now we will temporarily adjust scroll_y to try
// to prevent the view moving around until floating sections are added
// to the gui system.
scroll_y += view->widget_height;
Full_Cursor render_cursor;
if (!file->settings.unwrapped_lines){
render_cursor = view_compute_cursor(system, view, seek_wrapped_xy(0, scroll_y, 0), 1);
}
else{
render_cursor = view_compute_cursor(system, view, seek_unwrapped_xy(0, scroll_y, 0), 1);
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}
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view->edit_pos->scroll_i = render_cursor.pos;
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i32 count = 0;
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{
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b32 wrapped = !file->settings.unwrapped_lines;
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Buffer_Render_Params params;
params.buffer = &file->state.buffer;
params.items = items;
params.max = max;
params.count = &count;
params.port_x = (f32)rect.x0 + left_side_space;
params.port_y = (f32)rect.y0;
params.clip_w = view_width(view) - left_side_space;
params.scroll_x = scroll_x;
params.scroll_y = scroll_y;
params.width = max_x;
params.height = (f32)max_y;
params.start_cursor = render_cursor;
params.wrapped = wrapped;
params.system = system;
params.font = font;
params.virtual_white = file->settings.virtual_white;
params.wrap_slashes = file->settings.wrap_indicator;
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Buffer_Render_State state = {0};
Buffer_Layout_Stop stop = {0};
f32 line_shift = 0.f;
b32 do_wrap = 0;
i32 wrap_unit_end = 0;
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b32 first_wrap_determination = 1;
i32 wrap_array_index = 0;
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do{
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stop = buffer_render_data(&state, params, line_shift, do_wrap, wrap_unit_end);
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switch (stop.status){
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case BLStatus_NeedWrapDetermination:
{
if (first_wrap_determination){
wrap_array_index = binary_search(file->state.wrap_positions, stop.pos, 0, file->state.wrap_position_count);
++wrap_array_index;
if (file->state.wrap_positions[wrap_array_index] == stop.pos){
do_wrap = 1;
wrap_unit_end = file->state.wrap_positions[wrap_array_index];
}
else{
do_wrap = 0;
wrap_unit_end = file->state.wrap_positions[wrap_array_index];
}
first_wrap_determination = 0;
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}
else{
assert(stop.pos == wrap_unit_end);
do_wrap = 1;
++wrap_array_index;
wrap_unit_end = file->state.wrap_positions[wrap_array_index];
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}
}break;
case BLStatus_NeedWrapLineShift:
case BLStatus_NeedLineShift:
{
line_shift = file->state.line_indents[stop.wrap_line_index];
}break;
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}
}while(stop.status != BLStatus_Finished);
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}
i32 cursor_begin = 0, cursor_end = 0;
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u32 cursor_color = 0, at_cursor_color = 0;
if (view->file_data.show_temp_highlight){
cursor_begin = view->file_data.temp_highlight.pos;
cursor_end = view->file_data.temp_highlight_end_pos;
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cursor_color = style->main.highlight_color;
at_cursor_color = style->main.at_highlight_color;
}
else{
cursor_begin = view->edit_pos->cursor.pos;
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cursor_end = cursor_begin + 1;
cursor_color = style->main.cursor_color;
at_cursor_color = style->main.at_cursor_color;
}
i32 token_i = 0;
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u32 main_color = style->main.default_color;
u32 special_color = style->main.special_character_color;
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u32 ghost_color = style->main.ghost_character_color;
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if (tokens_use){
Cpp_Get_Token_Result result = cpp_get_token(token_array, items->index);
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main_color = *style_get_color(style, token_array.tokens[result.token_index]);
token_i = result.token_index + 1;
}
u32 mark_color = style->main.mark_color;
Buffer_Render_Item *item = items;
Buffer_Render_Item *item_end = item + count;
i32 prev_ind = -1;
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u32 highlight_color = 0;
u32 highlight_this_color = 0;
for (; item < item_end; ++item){
i32 ind = item->index;
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highlight_this_color = 0;
if (tokens_use && ind != prev_ind){
Cpp_Token current_token = token_array.tokens[token_i-1];
if (token_i < token_array.count){
if (ind >= token_array.tokens[token_i].start){
for (;ind >= token_array.tokens[token_i].start && token_i < token_array.count; ++token_i){
main_color = *style_get_color(style, token_array.tokens[token_i]);
current_token = token_array.tokens[token_i];
}
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}
else if (ind >= current_token.start + current_token.size){
main_color = style->main.default_color;
}
}
if (current_token.type == CPP_TOKEN_JUNK && ind >= current_token.start && ind < current_token.start + current_token.size){
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highlight_color = style->main.highlight_junk_color;
}
else{
highlight_color = 0;
}
}
u32 char_color = main_color;
if (item->flags & BRFlag_Special_Character){
char_color = special_color;
}
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else if (item->flags & BRFlag_Ghost_Character){
char_color = ghost_color;
}
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f32_Rect char_rect = f32R(item->x0, item->y0, item->x1, item->y1);
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if (view->file_data.show_whitespace && highlight_color == 0 && codepoint_is_whitespace(item->codepoint)){
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highlight_this_color = style->main.highlight_white_color;
}
else{
highlight_this_color = highlight_color;
}
if (cursor_begin <= ind && ind < cursor_end && (ind != prev_ind || cursor_begin < ind)){
if (is_active){
draw_rectangle(target, char_rect, cursor_color);
char_color = at_cursor_color;
}
else{
if (!view->file_data.show_temp_highlight){
draw_rectangle_outline(target, char_rect, cursor_color);
}
}
}
else if (highlight_this_color){
draw_rectangle(target, char_rect, highlight_this_color);
}
u32 fade_color = 0xFFFF00FF;
f32 fade_amount = 0.f;
if (file->state.paste_effect.seconds_down > 0.f &&
file->state.paste_effect.start <= ind &&
ind < file->state.paste_effect.end){
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fade_color = file->state.paste_effect.color;
fade_amount = file->state.paste_effect.seconds_down;
fade_amount /= file->state.paste_effect.seconds_max;
}
char_color = color_blend(char_color, fade_amount, fade_color);
if (ind == view->edit_pos->mark && prev_ind != ind){
draw_rectangle_outline(target, char_rect, mark_color);
}
if (item->codepoint != 0){
font_draw_glyph(target, font_id, item->codepoint, item->x0, item->y0, char_color);
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}
prev_ind = ind;
}
end_temp_memory(temp);
return(0);
}
internal void
draw_text_field(System_Functions *system, Render_Target *target, View *view, Font_ID font_id, i32_Rect rect, String p, String t){
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Models *models = view->persistent.models;
Style *style = main_style(models);
u32 back_color = style->main.margin_color;
u32 text1_color = style->main.default_color;
u32 text2_color = style->main.file_info_style.pop1_color;
i32 x = rect.x0;
i32 y = rect.y0 + 2;
if (target){
draw_rectangle(target, rect, back_color);
x = ceil32(draw_string(system, target, font_id, p, x, y, text2_color));
draw_string(system, target, font_id, t, x, y, text1_color);
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}
}
internal void
draw_text_with_cursor(System_Functions *system, Render_Target *target, View *view, Font_ID font_id, i32_Rect rect, String s, i32 pos){
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Models *models = view->persistent.models;
Style *style = main_style(models);
u32 back_color = style->main.margin_color;
u32 text_color = style->main.default_color;
u32 cursor_color = style->main.cursor_color;
u32 at_cursor_color = style->main.at_cursor_color;
f32 x = (f32)rect.x0;
i32 y = rect.y0 + 2;
if (target){
draw_rectangle(target, rect, back_color);
if (pos >= 0 && pos < s.size){
Render_Font *font = system->font.get_render_data_by_id(font_id);
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String part1 = substr(s, 0, pos);
String part2 = substr(s, pos, 1);
String part3 = substr(s, pos+1, s.size-pos-1);
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x = draw_string(system, target, font_id, part1, floor32(x), y, text_color);
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f32 adv = font_get_glyph_advance(system, font, s.str[pos]);
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i32_Rect cursor_rect;
cursor_rect.x0 = floor32(x);
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cursor_rect.x1 = floor32(x) + ceil32(adv);
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cursor_rect.y0 = y;
cursor_rect.y1 = y + view->line_height;
draw_rectangle(target, cursor_rect, cursor_color);
x = draw_string(system, target, font_id, part2, floor32(x), y, at_cursor_color);
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draw_string(system, target, font_id, part3, floor32(x), y, text_color);
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}
else{
draw_string(system, target, font_id, s, floor32(x), y, text_color);
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}
}
}
internal void
draw_file_bar(System_Functions *system, Render_Target *target, View *view, Editing_File *file, i32_Rect rect){
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File_Bar bar;
Models *models = view->persistent.models;
Style *style = main_style(models);
Interactive_Style bar_style = style->main.file_info_style;
u32 back_color = bar_style.bar_color;
u32 base_color = bar_style.base_color;
u32 pop1_color = bar_style.pop1_color;
u32 pop2_color = bar_style.pop2_color;
bar.rect = rect;
if (target){
bar.font_id = file->settings.font_id;
bar.pos_x = (f32)bar.rect.x0;
bar.pos_y = (f32)bar.rect.y0;
bar.text_shift_y = 2;
bar.text_shift_x = 0;
draw_rectangle(target, bar.rect, back_color);
Assert(file);
intbar_draw_string(system, target, &bar, file->name.live_name, base_color);
intbar_draw_string(system, target, &bar, make_lit_string(" -"), base_color);
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if (file->is_loading){
intbar_draw_string(system, target, &bar, make_lit_string(" loading"), base_color);
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}
else{
char bar_space[526];
String bar_text = make_fixed_width_string(bar_space);
append_ss (&bar_text, make_lit_string(" L#"));
append_int_to_str(&bar_text, view->edit_pos->cursor.line);
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append_ss (&bar_text, make_lit_string(" C#"));
append_int_to_str(&bar_text, view->edit_pos->cursor.character);
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append_ss(&bar_text, make_lit_string(" -"));
if (file->settings.dos_write_mode){
append_ss(&bar_text, make_lit_string(" dos"));
}
else{
append_ss(&bar_text, make_lit_string(" nix"));
}
intbar_draw_string(system, target, &bar, bar_text, base_color);
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if (file->state.still_lexing){
intbar_draw_string(system, target, &bar, make_lit_string(" parsing"), pop1_color);
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}
if (!file->settings.unimportant){
switch (file_get_sync(file)){
case DirtyState_UnloadedChanges:
{
local_persist String out_of_sync = make_lit_string(" !");
intbar_draw_string(system, target, &bar, out_of_sync, pop2_color);
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}break;
case DirtyState_UnsavedChanges:
{
local_persist String out_of_sync = make_lit_string(" *");
intbar_draw_string(system, target, &bar, out_of_sync, pop2_color);
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}break;
}
}
}
}
}
u32
get_margin_color(i32 active_level, Style *style){
u32 margin = 0xFFFFFFFF;
switch (active_level){
default:
margin = style->main.margin_color;
break;
case 1: case 2:
margin = style->main.margin_hover_color;
break;
case 3: case 4:
margin = style->main.margin_active_color;
break;
}
return(margin);
}
internal void
draw_color_button(System_Functions *system, GUI_Target *gui_target, Render_Target *target, View *view, Font_ID font_id, i32_Rect rect, GUI_id id, u32 fore, u32 back, String text){
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i32 active_level = gui_active_level(gui_target, id);
if (active_level > 0){
Swap(u32, back, fore);
}
draw_rectangle(target, rect, back);
draw_string(system, target, font_id, text, rect.x0, rect.y0 + 1, fore);
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}
internal void
draw_font_button(System_Functions *system, GUI_Target *gui_target, Render_Target *target, View *view, i32_Rect rect, GUI_id id, Font_ID font_id, String text){
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Models *models = view->persistent.models;
Style *style = main_style(models);
i32 active_level = gui_active_level(gui_target, id);
u32 margin_color = get_margin_color(active_level, style);
u32 back_color = style->main.back_color;
u32 text_color = style->main.default_color;
draw_rectangle(target, rect, back_color);
draw_rectangle_outline(target, rect, margin_color);
draw_string(system, target, font_id, text, rect.x0, rect.y0 + 1, text_color);
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}
internal void
draw_fat_option_block(System_Functions *system, GUI_Target *gui_target, Render_Target *target, View *view, Font_ID font_id, i32_Rect rect, GUI_id id, String text, String pop, i8 checkbox = -1){
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Models *models = view->persistent.models;
Style *style = main_style(models);
i32 active_level = gui_active_level(gui_target, id);
i32_Rect inner = get_inner_rect(rect, 3);
u32 margin = get_margin_color(active_level, style);
u32 back = style->main.back_color;
u32 text_color = style->main.default_color;
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u32 pop_color = style->main.file_info_style.pop2_color;
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i32 h = view->line_height;
i32 x = inner.x0 + 3;
i32 y = inner.y0 + h/2 - 1;
draw_rectangle(target, inner, back);
draw_margin(target, rect, inner, margin);
if (checkbox != -1){
u32 checkbox_color = style->main.margin_active_color;
i32_Rect checkbox_rect = get_inner_rect(inner, (inner.y1 - inner.y0 - h)/2);
checkbox_rect.x1 = checkbox_rect.x0 + (checkbox_rect.y1 - checkbox_rect.y0);
if (checkbox == 0){
draw_rectangle_outline(target, checkbox_rect, checkbox_color);
}
else{
draw_rectangle(target, checkbox_rect, checkbox_color);
}
x = checkbox_rect.x1 + 3;
}
x = ceil32(draw_string(system, target, font_id, text, x, y, text_color));
draw_string(system, target, font_id, pop, x, y, pop_color);
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}
internal void
draw_button(System_Functions *system, GUI_Target *gui_target, Render_Target *target, View *view, Font_ID font_id, i32_Rect rect, GUI_id id, String text){
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Models *models = view->persistent.models;
Style *style = main_style(models);
i32 active_level = gui_active_level(gui_target, id);
i32_Rect inner = get_inner_rect(rect, 3);
u32 margin = style->main.default_color;
u32 back = get_margin_color(active_level, style);
u32 text_color = style->main.default_color;
i32 h = view->line_height;
i32 y = inner.y0 + h/2 - 1;
i32 w = (i32)font_string_width(system, target, font_id, text);
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i32 x = (inner.x1 + inner.x0 - w)/2;
draw_rectangle(target, inner, back);
draw_rectangle_outline(target, inner, margin);
draw_string(system, target, font_id, text, x, y, text_color);
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}
internal void
draw_style_preview(System_Functions *system, GUI_Target *gui_target, Render_Target *target, View *view, Font_ID font_id, i32_Rect rect, GUI_id id, Style *style){
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Models *models = view->persistent.models; AllowLocal(models);
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i32 active_level = gui_active_level(gui_target, id);
char font_name_space[256];
String font_name = make_fixed_width_string(font_name_space);
font_name.size = system->font.get_name_by_id(font_id, font_name.str, font_name.memory_size);
Render_Font *font = system->font.get_render_data_by_id(font_id);
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i32_Rect inner = get_inner_rect(rect, 3);
u32 margin_color = get_margin_color(active_level, style);
u32 back = style->main.back_color;
u32 text_color = style->main.default_color;
u32 keyword_color = style->main.keyword_color;
u32 int_constant_color = style->main.int_constant_color;
u32 comment_color = style->main.comment_color;
draw_margin(target, rect, inner, margin_color);
draw_rectangle(target, inner, back);
i32 y = inner.y0;
i32 x = inner.x0;
x = ceil32(draw_string(system, target, font_id, style->name.str, x, y, text_color));
i32 font_x = (i32)(inner.x1 - font_string_width(system, target, font_id, font_name));
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if (font_x > x + 10){
draw_string(system, target, font_id, font_name, font_x, y, text_color);
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}
i32 height = font_get_height(font);
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x = inner.x0;
y += height;
x = ceil32(draw_string(system, target, font_id, "if", x, y, keyword_color));
x = ceil32(draw_string(system, target, font_id, "(x < ", x, y, text_color));
x = ceil32(draw_string(system, target, font_id, "0", x, y, int_constant_color));
x = ceil32(draw_string(system, target, font_id, ") { x = ", x, y, text_color));
x = ceil32(draw_string(system, target, font_id, "0", x, y, int_constant_color));
x = ceil32(draw_string(system, target, font_id, "; } ", x, y, text_color));
x = ceil32(draw_string(system, target, font_id, "// comment", x, y, comment_color));
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x = inner.x0;
y += height;
draw_string(system, target, font_id, "[] () {}; * -> +-/ <>= ! && || % ^", x, y, text_color);
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}
internal i32
do_render_file_view(System_Functions *system, View *view, GUI_Scroll_Vars *scroll, View *active, i32_Rect rect, b32 is_active, Render_Target *target, Input_Summary *user_input){
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Editing_File *file = view->file_data.file;
i32 result = 0;
GUI_Session gui_session = {0};
GUI_Header *h = 0;
GUI_Target *gui_target = &view->gui_target;
GUI_Interpret_Result interpret_result = {0};
f32 v = {0};
i32 max_y = view_compute_max_target_y(view);
Assert(file != 0);
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Font_ID font_id = file->settings.font_id;
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if (gui_target->push.pos > 0){
gui_session_init(&gui_session, gui_target, rect, view->line_height);
v = view_get_scroll_y(view);
i32_Rect clip_rect = rect;
draw_push_clip(target, clip_rect);
for (h = (GUI_Header*)gui_target->push.base;
h->type;
h = NextHeader(h)){
interpret_result = gui_interpret(gui_target, &gui_session, h,
*scroll, view->scroll_region, max_y);
if (interpret_result.has_info){
if (gui_session.clip_y > clip_rect.y0){
clip_rect.y0 = gui_session.clip_y;
draw_change_clip(target, clip_rect);
}
switch (h->type){
case guicom_top_bar:
{
draw_file_bar(system, target, view, file, gui_session.rect);
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}break;
case guicom_file:
{
if (file_is_ready(file)){
result = draw_file_loaded(system, view, gui_session.rect, is_active, target);
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}
}break;
case guicom_text_field:
{
void *ptr = (h+1);
String p = gui_read_string(&ptr);
String t = gui_read_string(&ptr);
draw_text_field(system, target, view, font_id, gui_session.rect, p, t);
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}break;
case guicom_text_with_cursor:
{
void *ptr = (h+1);
String s = gui_read_string(&ptr);
i32 pos = gui_read_integer(&ptr);
draw_text_with_cursor(system, target, view, font_id, gui_session.rect, s, pos);
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}break;
case guicom_color_button:
{
GUI_Interactive *b = (GUI_Interactive*)h;
void *ptr = (b + 1);
u32 fore = (u32)gui_read_integer(&ptr);
u32 back = (u32)gui_read_integer(&ptr);
String t = gui_read_string(&ptr);
draw_color_button(system, gui_target, target, view, font_id, gui_session.rect, b->id, fore, back, t);
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}break;
case guicom_font_button:
{
GUI_Interactive *b = (GUI_Interactive*)h;
void *ptr = (b + 1);
Font_ID this_font_id = (Font_ID)gui_read_integer(&ptr);
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String t = gui_read_string(&ptr);
draw_font_button(system, gui_target, target, view, gui_session.rect, b->id, this_font_id, t);
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}break;
case guicom_file_option:
{
GUI_Interactive *b = (GUI_Interactive*)h;
void *ptr = (b + 1);
b32 folder = gui_read_integer(&ptr);
String f = gui_read_string(&ptr);
String m = gui_read_string(&ptr);
if (folder){
append_s_char(&f, '/');
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}
draw_fat_option_block(system, gui_target, target, view, font_id, gui_session.rect, b->id, f, m);
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}break;
case guicom_style_preview:
{
GUI_Interactive *b = (GUI_Interactive*)h;
i32 style_index = *(i32*)(b + 1);
Style *style = get_style(view->persistent.models, style_index);
draw_style_preview(system, gui_target, target, view, font_id, gui_session.rect, b->id, style);
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}break;
case guicom_fixed_option:
case guicom_fixed_option_checkbox:
{
GUI_Interactive *b = (GUI_Interactive*)h;
void *ptr = (b + 1);
String f = gui_read_string(&ptr);
String m = {0};
i8 status = -1;
if (h->type == guicom_fixed_option_checkbox){
gui_read_byte(&ptr);
status = (i8)gui_read_byte(&ptr);
}
draw_fat_option_block(system, gui_target, target, view, font_id, gui_session.rect, b->id, f, m, status);
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}break;
case guicom_button:
{
GUI_Interactive *b = (GUI_Interactive*)h;
void *ptr = (b + 1);
String t = gui_read_string(&ptr);
draw_button(system, gui_target, target, view, font_id, gui_session.rect, b->id, t);
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}break;
case guicom_scrollable_bar:
{
Models *models = view->persistent.models;
Style *style = main_style(models);
u32 back;
u32 outline;
i32_Rect bar = gui_session.rect;
back = style->main.back_color;
if (is_active){
outline = style->main.margin_active_color;
}
else{
outline = style->main.margin_color;
}
draw_rectangle(target, bar, back);
draw_rectangle_outline(target, bar, outline);
}break;
case guicom_scrollable_top:
case guicom_scrollable_slider:
case guicom_scrollable_bottom:
{
GUI_id id;
Models *models = view->persistent.models;
Style *style = main_style(models);
i32_Rect box = gui_session.rect;
i32 active_level;
u32 back;
u32 outline;
switch (h->type){
case guicom_scrollable_top: id = gui_id_scrollbar_top(); break;
case guicom_scrollable_bottom: id = gui_id_scrollbar_bottom(); break;
default: id = gui_id_scrollbar_slider(); break;
}
active_level = gui_active_level(gui_target, id);
switch (active_level){
case 0: back = style->main.back_color; break;
case 1: back = style->main.margin_hover_color; break;
default: back = style->main.margin_active_color; break;
}
if (is_active){
outline = style->main.margin_active_color;
}
else{
outline = style->main.margin_color;
}
draw_rectangle(target, box, back);
draw_margin(target, box, get_inner_rect(box, 2), outline);
}break;
case guicom_begin_scrollable_section:
clip_rect.x1 = Min(gui_session.scroll_region.x1, clip_rect.x1);
draw_push_clip(target, clip_rect);
break;
case guicom_end_scrollable_section:
clip_rect = draw_pop_clip(target);
break;
}
}
}
draw_pop_clip(target);
}
return(result);
}
inline void
file_view_free_buffers(View *view){
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General_Memory *general = &view->persistent.models->mem.general;
general_memory_free(general, view->gui_mem);
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view->gui_mem = 0;
}
internal View_And_ID
live_set_alloc_view(Live_Views *live_set, Panel *panel, Models *models){
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View_And_ID result = {};
Assert(live_set->count < live_set->max);
++live_set->count;
result.view = live_set->free_sentinel.next;
result.id = (i32)(result.view - live_set->views);
Assert(result.id == result.view->persistent.id);
dll_remove(result.view);
memset(get_view_body(result.view), 0, get_view_size());
result.view->in_use = 1;
panel->view = result.view;
result.view->panel = panel;
result.view->persistent.models = models;
init_query_set(&result.view->query_set);
{
i32 gui_mem_size = KB(512);
void *gui_mem = general_memory_allocate(&models->mem.general, gui_mem_size + 8);
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result.view->gui_mem = gui_mem;
gui_mem = advance_to_alignment(gui_mem);
result.view->gui_target.push = make_part(gui_mem, gui_mem_size);
}
return(result);
}
inline void
live_set_free_view(Live_Views *live_set, View *view){
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Assert(live_set->count > 0);
--live_set->count;
file_view_free_buffers(view);
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dll_insert(&live_set->free_sentinel, view);
view->in_use = 0;
}
// BOTTOM