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
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internal i32
get_or_add_map_index(Models *models, i32 mapid){
i32 result;
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;
if (map_id_table[result] == -1){
map_id_table[result] = mapid;
break;
}
}
return result;
}
internal i32
get_map_index(Models *models, i32 mapid){
i32 result;
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;
if (map_id_table[result] == 0){
result = user_map_count;
break;
}
}
return result;
}
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;
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, i32 count){
Command_Map *map = get_or_add_map(models, mapid);
Assert(map->commands == 0);
map->count = count;
if (map->max < count){
map->max = count;
}
}
internal i32
map_get_count(Models *models, i32 mapid){
Command_Map *map = get_or_add_map(models, mapid);
i32 count = map->count;
Assert(map->commands == 0);
return(count);
}
internal i32
map_get_max_count(Models *models, i32 mapid){
Command_Map *map = get_or_add_map(models, mapid);
i32 count = map->max;
return(count);
}
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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
};
struct View_Mode{
i32 rewrite;
};
inline View_Mode
view_mode_zero(){
View_Mode mode={0};
return(mode);
}
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enum View_Widget_Type{
FWIDG_NONE,
FWIDG_TIMELINES,
// never below this
FWIDG_TYPE_COUNT
};
struct View_Widget{
View_Widget_Type type;
i32 height_;
struct{
b32 undo_line;
b32 history_line;
} timeline;
};
enum View_UI{
VUI_None,
VUI_Theme,
VUI_Interactive,
VUI_Menu,
VUI_Config,
};
enum Color_View_Mode{
CV_Mode_Library,
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CV_Mode_Font,
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CV_Mode_Adjusting
};
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struct File_Viewing_Data{
Editing_File *file;
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Full_Cursor temp_highlight;
i32 temp_highlight_end_pos;
b32 show_temp_highlight;
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b32 unwrapped_lines;
b32 show_whitespace;
b32 file_locked;
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i32 line_count, line_max;
f32 *line_wrap_y;
};
inline File_Viewing_Data
file_viewing_data_zero(){
File_Viewing_Data data={0};
return(data);
}
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struct Recent_File_Data{
u64 unique_buffer_id;
GUI_Scroll_Vars scroll;
Full_Cursor cursor;
i32 mark;
f32 preferred_x;
i32 scroll_i;
};
inline Recent_File_Data
recent_file_data_zero(){
Recent_File_Data data = {0};
return(data);
}
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{
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i32 id;
View_Routine_Function *view_routine;
Coroutine *coroutine;
Event_Message message_passing_slot;
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// TODO(allen): eliminate this models pointer: explicitly parameterize.
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Models *models;
};
struct View{
View_Persistent persistent;
View *next, *prev;
Panel *panel;
b32 in_use;
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Command_Map *map;
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File_Viewing_Data file_data;
i32 prev_cursor_pos;
Scroll_Context prev_context;
i32_Rect file_region_prev;
i32_Rect file_region;
i32_Rect scroll_region;
Recent_File_Data recent[16];
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GUI_Scroll_Vars *current_scroll;
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View_UI showing_ui;
GUI_Target gui_target;
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void *gui_mem;
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GUI_Scroll_Vars gui_scroll;
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i32 list_i;
b32 hide_scrollbar;
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// interactive stuff
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Interactive_Interaction interaction;
Interactive_Action action;
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char dest_[256];
String dest;
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// theme stuff
View *hot_file_view;
u32 *palette;
i32 palette_size;
Color_View_Mode color_mode;
Super_Color color;
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b32 p4c_only;
Style_Library inspecting_styles;
b8 import_export_check[64];
i32 import_file_id;
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i32 current_color_editing;
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i32 color_cursor;
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i32 font_advance;
i32 font_height;
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View_Mode mode, next_mode;
View_Widget widget;
Query_Set query_set;
i32 scrub_max;
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b32 reinit_scrolling;
};
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));
}
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struct View_And_ID{
View *view;
i32 id;
};
#define LockLevel_Open 0
#define LockLevel_NoWrite 1
#define LockLevel_NoUpdate 2
inline i32
view_lock_level(View *view){
i32 result = LockLevel_Open;
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File_Viewing_Data *data = &view->file_data;
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if (view->showing_ui != VUI_None) result = LockLevel_NoUpdate;
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else if (data->file_locked || (data->file && data->file->settings.read_only)) result = LockLevel_NoWrite;
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return(result);
}
inline f32
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view_file_width(View *view){
i32_Rect file_rect = view->file_region;
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f32 result = (f32)(file_rect.x1 - file_rect.x0);
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return (result);
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}
inline f32
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view_file_height(View *view){
i32_Rect file_rect = view->file_region;
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f32 result = (f32)(file_rect.y1 - file_rect.y0);
return (result);
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}
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){
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View *view;
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for (iter.panel = iter.panel->next; iter.panel != iter.used_panels; iter.panel = iter.panel->next){
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view = iter.panel->view;
if (view != iter.skip && (view->file_data.file == iter.file || iter.file == 0)){
iter.view = view;
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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_init_strings(Editing_File *file){
file->name.source_path = make_fixed_width_string(file->name.source_path_);
file->name.live_name = make_fixed_width_string(file->name.live_name_);
file->name.extension = make_fixed_width_string(file->name.extension_);
}
inline void
file_set_name(Working_Set *working_set, Editing_File *file, char *filename){
String f, ext;
Assert(file->name.live_name.str != 0);
f = make_string_slowly(filename);
copy_checked(&file->name.source_path, f);
file->name.live_name.size = 0;
get_front_of_directory(&file->name.live_name, f);
if (file->name.source_path.size == file->name.live_name.size){
file->name.extension.size = 0;
}
else{
ext = file_extension(f);
copy(&file->name.extension, ext);
}
{
File_Node *node, *used_nodes;
Editing_File *file_ptr;
i32 file_x, original_len;
b32 hit_conflict;
used_nodes = &working_set->used_sentinel;
original_len = file->name.live_name.size;
hit_conflict = 1;
file_x = 0;
while (hit_conflict){
hit_conflict = 0;
for (dll_items(node, used_nodes)){
file_ptr = (Editing_File*)node;
if (file_ptr != file && file_is_ready(file_ptr)){
if (match(file->name.live_name, file_ptr->name.live_name)){
++file_x;
hit_conflict = 1;
break;
}
}
}
if (hit_conflict){
file->name.live_name.size = original_len;
append(&file->name.live_name, " <");
append_int_to_str(file_x, &file->name.live_name);
append(&file->name.live_name, ">");
}
}
}
}
inline void
file_synchronize_times(System_Functions *system, Editing_File *file, char *filename){
u64 stamp = system->file_time_stamp(filename);
if (stamp > 0){
file->state.last_4ed_write_time = stamp;
file->state.last_4ed_edit_time = stamp;
file->state.last_sys_write_time = stamp;
}
file->state.sync = buffer_get_sync(file);
}
internal b32
file_save(System_Functions *system, Mem_Options *mem, Editing_File *file, char *filename){
b32 result = 0;
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i32 max, size;
b32 dos_write_mode = file->settings.dos_write_mode;
char *data;
Buffer_Type *buffer = &file->state.buffer;
if (dos_write_mode){
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max = buffer_size(buffer) + buffer->line_count + 1;
}
else{
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max = buffer_size(buffer);
}
Temp_Memory temp = begin_temp_memory(&mem->part);
char empty = 0;
if (max == 0){
data = &empty;
}
else{
data = (char*)push_array(&mem->part, char, max);
}
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Assert(data);
if (dos_write_mode){
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size = buffer_convert_out(buffer, data, max);
}
else{
size = max;
buffer_stringify(buffer, 0, size, data);
}
result = system->file_save(filename, data, size);
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file_synchronize_times(system, file, filename);
end_temp_memory(temp);
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return(result);
}
inline b32
file_save_and_set_names(System_Functions *system, Mem_Options *mem,
Working_Set *working_set, Editing_File *file,
char *filename){
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b32 result = 0;
result = file_save(system, mem, file, filename);
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if (result){
file_set_name(working_set, file, filename);
}
return result;
}
enum File_Bubble_Type{
BUBBLE_BUFFER = 1,
BUBBLE_STARTS,
BUBBLE_WIDTHS,
BUBBLE_WRAPS,
BUBBLE_TOKENS,
BUBBLE_UNDO_STRING,
BUBBLE_UNDO,
BUBBLE_UNDO_CHILDREN,
//
FILE_BUBBLE_TYPE_END,
};
#define GROW_FAILED 0
#define GROW_NOT_NEEDED 1
#define GROW_SUCCESS 2
internal i32
file_grow_starts_widths_as_needed(General_Memory *general, Buffer_Type *buffer, i32 additional_lines){
b32 result = GROW_NOT_NEEDED;
i32 max = buffer->line_max;
i32 count = buffer->line_count;
i32 target_lines = count + additional_lines;
Assert(max == buffer->widths_max);
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if (target_lines > max || max == 0){
max = LargeRoundUp(target_lines + max, Kbytes(1));
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f32 *new_widths = (f32*)general_memory_reallocate(
general, buffer->line_widths,
sizeof(f32)*count, sizeof(f32)*max, BUBBLE_WIDTHS);
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i32 *new_lines = (i32*)general_memory_reallocate(
general, buffer->line_starts,
sizeof(i32)*count, sizeof(i32)*max, BUBBLE_STARTS);
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if (new_lines){
buffer->line_starts = new_lines;
buffer->line_max = max;
}
if (new_widths){
buffer->line_widths = new_widths;
buffer->widths_max = max;
}
if (new_lines && new_widths){
result = GROW_SUCCESS;
}
else{
result = GROW_FAILED;
}
}
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return(result);
}
internal void
file_measure_starts_widths(System_Functions *system, General_Memory *general,
Buffer_Type *buffer, float *advance_data){
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if (!buffer->line_starts){
i32 max = buffer->line_max = Kbytes(1);
buffer->line_starts = (i32*)general_memory_allocate(general, max*sizeof(i32), BUBBLE_STARTS);
TentativeAssert(buffer->line_starts);
// TODO(allen): when unable to allocate?
}
if (!buffer->line_widths){
i32 max = buffer->widths_max = Kbytes(1);
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buffer->line_widths = (f32*)general_memory_allocate(general, max*sizeof(f32), BUBBLE_WIDTHS);
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TentativeAssert(buffer->line_starts);
// TODO(allen): when unable to allocate?
}
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Buffer_Measure_Starts state = {};
while (buffer_measure_starts_widths(&state, buffer, advance_data)){
i32 count = state.count;
i32 max = buffer->line_max;
max = ((max + 1) << 1);
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{
i32 *new_lines = (i32*)general_memory_reallocate(
general, buffer->line_starts, sizeof(i32)*count, sizeof(i32)*max, BUBBLE_STARTS);
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// TODO(allen): when unable to grow?
TentativeAssert(new_lines);
buffer->line_starts = new_lines;
buffer->line_max = max;
}
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{
f32 *new_lines = (f32*)
general_memory_reallocate(general, buffer->line_widths,
sizeof(f32)*count, sizeof(f32)*max, BUBBLE_WIDTHS);
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// TODO(allen): when unable to grow?
TentativeAssert(new_lines);
buffer->line_widths = new_lines;
buffer->widths_max = max;
}
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}
buffer->line_count = state.count;
buffer->widths_count = state.count;
}
struct Opaque_Font_Advance{
void *data;
int stride;
};
inline Opaque_Font_Advance
get_opaque_font_advance(Render_Font *font){
Opaque_Font_Advance result;
result.data = (char*)font->chardata + OffsetOfPtr(font->chardata, xadvance);
result.stride = sizeof(*font->chardata);
return result;
}
inline i32
view_wrapped_line_span(f32 line_width, f32 max_width){
i32 line_count = CEIL32(line_width / max_width);
if (line_count == 0) line_count = 1;
return line_count;
}
internal i32
view_compute_lowest_line(View *view){
i32 lowest_line = 0;
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i32 last_line = view->file_data.line_count - 1;
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if (last_line > 0){
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if (view->file_data.unwrapped_lines){
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lowest_line = last_line;
}
else{
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f32 wrap_y = view->file_data.line_wrap_y[last_line];
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lowest_line = FLOOR32(wrap_y / view->font_height);
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f32 max_width = view_file_width(view);
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Editing_File *file = view->file_data.file;
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Assert(!file->state.is_dummy);
f32 width = file->state.buffer.line_widths[last_line];
i32 line_span = view_wrapped_line_span(width, max_width);
lowest_line += line_span - 1;
}
}
return lowest_line;
}
internal void
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view_measure_wraps(General_Memory *general, View *view){
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Buffer_Type *buffer;
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buffer = &view->file_data.file->state.buffer;
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i32 line_count = buffer->line_count;
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if (view->file_data.line_max < line_count){
i32 max = view->file_data.line_max = LargeRoundUp(line_count, Kbytes(1));
if (view->file_data.line_wrap_y){
view->file_data.line_wrap_y = (f32*)
general_memory_reallocate_nocopy(general, view->file_data.line_wrap_y, sizeof(f32)*max, BUBBLE_WRAPS);
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}
else{
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view->file_data.line_wrap_y = (f32*)
general_memory_allocate(general, sizeof(f32)*max, BUBBLE_WRAPS);
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}
}
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f32 line_height = (f32)view->font_height;
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f32 max_width = view_file_width(view);
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buffer_measure_wrap_y(buffer, view->file_data.line_wrap_y, line_height, max_width);
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view->file_data.line_count = line_count;
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}
internal void
file_create_from_string(System_Functions *system, Models *models,
Editing_File *file, char *filename, String val, b8 read_only = 0){
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Font_Set *font_set = models->font_set;
Working_Set *working_set = &models->working_set;
General_Memory *general = &models->mem.general;
Partition *part = &models->mem.part;
Buffer_Init_Type init;
i32 page_size, scratch_size, init_success;
file->state = editing_file_state_zero();
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init = buffer_begin_init(&file->state.buffer, val.str, val.size);
for (; buffer_init_need_more(&init); ){
page_size = buffer_init_page_size(&init);
page_size = LargeRoundUp(page_size, Kbytes(4));
if (page_size < Kbytes(4)) page_size = Kbytes(4);
void *data = general_memory_allocate(general, page_size, BUBBLE_BUFFER);
buffer_init_provide_page(&init, data, page_size);
}
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scratch_size = partition_remaining(part);
Assert(scratch_size > 0);
init_success = buffer_end_init(&init, part->base + part->pos, scratch_size);
AllowLocal(init_success);
Assert(init_success);
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if (buffer_size(&file->state.buffer) < val.size){
file->settings.dos_write_mode = 1;
}
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file_init_strings(file);
file_set_name(working_set, file, (char*)filename);
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file->state.font_id = models->global_font.font_id;
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file_synchronize_times(system, file, filename);
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Render_Font *font = get_font_info(font_set, file->state.font_id)->font;
float *advance_data = 0;
if (font) advance_data = font->advance_data;
file_measure_starts_widths(system, general, &file->state.buffer, advance_data);
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file->settings.read_only = read_only;
if (!read_only){
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// TODO(allen): Redo undo system (if you don't mind the pun)
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i32 request_size = Kbytes(64);
file->state.undo.undo.max = request_size;
file->state.undo.undo.strings = (u8*)general_memory_allocate(general, request_size, BUBBLE_UNDO_STRING);
file->state.undo.undo.edit_max = request_size / sizeof(Edit_Step);
file->state.undo.undo.edits = (Edit_Step*)general_memory_allocate(general, request_size, BUBBLE_UNDO);
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file->state.undo.redo.max = request_size;
file->state.undo.redo.strings = (u8*)general_memory_allocate(general, request_size, BUBBLE_UNDO_STRING);
file->state.undo.redo.edit_max = request_size / sizeof(Edit_Step);
file->state.undo.redo.edits = (Edit_Step*)general_memory_allocate(general, request_size, BUBBLE_UNDO);
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file->state.undo.history.max = request_size;
file->state.undo.history.strings = (u8*)general_memory_allocate(general, request_size, BUBBLE_UNDO_STRING);
file->state.undo.history.edit_max = request_size / sizeof(Edit_Step);
file->state.undo.history.edits = (Edit_Step*)general_memory_allocate(general, request_size, BUBBLE_UNDO);
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file->state.undo.children.max = request_size;
file->state.undo.children.strings = (u8*)general_memory_allocate(general, request_size, BUBBLE_UNDO_STRING);
file->state.undo.children.edit_max = request_size / sizeof(Buffer_Edit);
file->state.undo.children.edits = (Buffer_Edit*)general_memory_allocate(general, request_size, BUBBLE_UNDO);
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file->state.undo.history_block_count = 1;
file->state.undo.history_head_block = 0;
file->state.undo.current_block_normal = 1;
}
Hook_Function *open_hook = models->hooks[hook_open_file];
models->buffer_param_indices[models->buffer_param_count++] = file->id.id;
open_hook(&models->app_links);
models->buffer_param_count = 0;
file->settings.is_initialized = 1;
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}
internal b32
file_create_empty(System_Functions *system,
Models *models, Editing_File *file, char *filename){
file_create_from_string(system, models, file, filename, string_zero());
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return (1);
}
internal b32
file_create_read_only(System_Functions *system,
Models *models, Editing_File *file, char *filename){
file_create_from_string(system, models, file, filename, string_zero(), 1);
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return (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_stack.tokens){
general_memory_free(general, file->state.swap_stack.tokens);
file->state.swap_stack.tokens = 0;
}
}
if (file->state.token_stack.tokens){
general_memory_free(general, file->state.token_stack.tokens);
}
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Buffer_Type *buffer = &file->state.buffer;
if (buffer->data){
general_memory_free(general, buffer->data);
general_memory_free(general, buffer->line_starts);
general_memory_free(general, buffer->line_widths);
}
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if (file->state.undo.undo.edits){
general_memory_free(general, file->state.undo.undo.strings);
general_memory_free(general, file->state.undo.undo.edits);
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general_memory_free(general, file->state.undo.redo.strings);
general_memory_free(general, file->state.undo.redo.edits);
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general_memory_free(general, file->state.undo.history.strings);
general_memory_free(general, file->state.undo.history.edits);
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general_memory_free(general, file->state.undo.children.strings);
general_memory_free(general, file->state.undo.children.edits);
}
}
struct Shift_Information{
i32 start, end, amount;
};
internal
Job_Callback_Sig(job_full_lex){
Editing_File *file = (Editing_File*)data[0];
General_Memory *general = (General_Memory*)data[1];
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Cpp_File cpp_file;
cpp_file.data = file->state.buffer.data;
cpp_file.size = file->state.buffer.size;
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Cpp_Token_Stack tokens;
tokens.tokens = (Cpp_Token*)memory->data;
tokens.max_count = memory->size / sizeof(Cpp_Token);
tokens.count = 0;
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Cpp_Lex_Data status = cpp_lex_file_nonalloc(cpp_file, &tokens);
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while (!status.complete){
system->grow_thread_memory(memory);
tokens.tokens = (Cpp_Token*)memory->data;
tokens.max_count = memory->size / sizeof(Cpp_Token);
status = cpp_lex_file_nonalloc(cpp_file, &tokens, status);
}
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i32 new_max = LargeRoundUp(tokens.count+1, Kbytes(1));
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system->acquire_lock(FRAME_LOCK);
{
Assert(file->state.swap_stack.tokens == 0);
file->state.swap_stack.tokens = (Cpp_Token*)
general_memory_allocate(general, new_max*sizeof(Cpp_Token), BUBBLE_TOKENS);
}
system->release_lock(FRAME_LOCK);
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u8 *dest = (u8*)file->state.swap_stack.tokens;
u8 *src = (u8*)tokens.tokens;
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memcpy(dest, src, tokens.count*sizeof(Cpp_Token));
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system->acquire_lock(FRAME_LOCK);
{
file->state.token_stack.count = tokens.count;
file->state.token_stack.max_count = new_max;
if (file->state.token_stack.tokens)
general_memory_free(general, file->state.token_stack.tokens);
file->state.token_stack.tokens = file->state.swap_stack.tokens;
file->state.swap_stack.tokens = 0;
}
system->release_lock(FRAME_LOCK);
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exchange->force_redraw = 1;
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// 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_stack.tokens){
general_memory_free(general, file->state.swap_stack.tokens);
file->state.swap_stack.tokens = 0;
}
}
if (file->state.token_stack.tokens){
general_memory_free(general, file->state.token_stack.tokens);
}
file->state.tokens_complete = 0;
file->state.token_stack = cpp_token_stack_zero();
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}
#if BUFFER_EXPERIMENT_SCALPEL <= 0
internal void
file_first_lex_parallel(System_Functions *system,
General_Memory *general, Editing_File *file){
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file->settings.tokens_exist = 1;
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if (file->state.is_loading == 0 && file->state.still_lexing == 0){
Assert(file->state.token_stack.tokens == 0);
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file->state.tokens_complete = 0;
file->state.still_lexing = 1;
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Job_Data job;
job.callback = job_full_lex;
job.data[0] = file;
job.data[1] = general;
job.memory_request = Kbytes(64);
file->state.lex_job = system->post_job(BACKGROUND_THREADS, job);
}
}
#endif
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internal void
file_relex_parallel(System_Functions *system,
Mem_Options *mem, Editing_File *file,
i32 start_i, i32 end_i, i32 amount){
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General_Memory *general = &mem->general;
Partition *part = &mem->part;
if (file->state.token_stack.tokens == 0){
file_first_lex_parallel(system, general, file);
return;
}
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b32 inline_lex = !file->state.still_lexing;
if (inline_lex){
Cpp_File cpp_file;
cpp_file.data = file->state.buffer.data;
cpp_file.size = file->state.buffer.size;
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Cpp_Token_Stack *stack = &file->state.token_stack;
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Cpp_Relex_State state =
cpp_relex_nonalloc_start(cpp_file, stack,
start_i, end_i, amount, 100);
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Temp_Memory temp = begin_temp_memory(part);
i32 relex_end;
Cpp_Token_Stack relex_space;
relex_space.count = 0;
relex_space.max_count = state.space_request;
relex_space.tokens = push_array(part, Cpp_Token, relex_space.max_count);
if (cpp_relex_nonalloc_main(&state, &relex_space, &relex_end)){
inline_lex = 0;
}
else{
i32 delete_amount = relex_end - state.start_token_i;
i32 shift_amount = relex_space.count - delete_amount;
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if (shift_amount != 0){
int new_count = stack->count + shift_amount;
if (new_count > stack->max_count){
int new_max = LargeRoundUp(new_count, Kbytes(1));
stack->tokens = (Cpp_Token*)
general_memory_reallocate(general, stack->tokens,
stack->count*sizeof(Cpp_Token),
new_max*sizeof(Cpp_Token), BUBBLE_TOKENS);
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stack->max_count = new_max;
}
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int shift_size = stack->count - relex_end;
if (shift_size > 0){
Cpp_Token *old_base = stack->tokens + relex_end;
memmove(old_base + shift_amount, old_base,
sizeof(Cpp_Token)*shift_size);
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}
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stack->count += shift_amount;
}
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memcpy(state.stack->tokens + state.start_token_i, relex_space.tokens,
sizeof(Cpp_Token)*relex_space.count);
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}
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end_temp_memory(temp);
}
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if (!inline_lex){
Cpp_Token_Stack *stack = &file->state.token_stack;
Cpp_Get_Token_Result get_token_result = cpp_get_token(stack, end_i);
i32 end_token_i = get_token_result.token_index;
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if (end_token_i < 0) end_token_i = 0;
else if (end_i > stack->tokens[end_token_i].start) ++end_token_i;
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cpp_shift_token_starts(stack, end_token_i, amount);
--end_token_i;
if (end_token_i >= 0){
Cpp_Token *token = stack->tokens + end_token_i;
if (token->start < end_i && token->start + token->size > end_i){
token->size += amount;
}
}
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file->state.still_lexing = 1;
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Job_Data job;
job.callback = job_full_lex;
job.data[0] = file;
job.data[1] = general;
job.memory_request = Kbytes(64);
file->state.lex_job = system->post_job(BACKGROUND_THREADS, job);
}
}
internal void
undo_stack_grow_string(General_Memory *general, Edit_Stack *stack, i32 extra_size){
i32 old_max = stack->max;
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);
stack->strings = new_str;
stack->max = new_max;
}
internal void
undo_stack_grow_edits(General_Memory *general, Edit_Stack *stack){
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));
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;
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);
stack->strings = new_str;
stack->max = new_max;
}
internal void
child_stack_grow_edits(General_Memory *general, Small_Edit_Stack *stack, i32 amount){
i32 old_max = stack->edit_max;
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));
stack->edits = new_eds;
stack->edit_max = new_max;
}
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);
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Buffer_Edit *edit = children->edits + children->edit_count;
i32 start_pos = children->size;
for (i32 i = 0; i < edit_count; ++i, ++edit){
edit->str_start += start_pos;
}
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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;
}
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Edit_Stack *undo = &file->state.undo.undo;
Edit_Step *result = 0;
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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.pre_pos = step.pre_pos;
inv_step.post_pos = step.post_pos;
inv_step.can_merge = (b8)can_merge;
inv_step.type = ED_UNDO;
b32 did_merge = 0;
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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;
inv_step.pre_pos = prev.pre_pos;
}
}
}
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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;
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if (undo->edit_count == undo->edit_max)
undo_stack_grow_edits(general, undo);
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
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file_post_redo(General_Memory *general, Editing_File *file, Edit_Step step){
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Edit_Stack *redo = &file->state.undo.redo;
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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.pre_pos = step.pre_pos;
inv_step.post_pos = step.post_pos;
inv_step.type = ED_REDO;
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if (redo->edit_count == redo->edit_max)
undo_stack_grow_edits(general, redo);
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){
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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){
Assert(file->state.undo.history_head_block < pos);
Assert(pos < file->state.undo.history.edit_count);
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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;
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persist Edit_Type reverse_types[4];
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;
}
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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);
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Edit_Step inv_step = {};
inv_step.edit = inv;
inv_step.pre_pos = step.pre_pos;
inv_step.post_pos = step.post_pos;
inv_step.can_merge = (b8)can_merge;
inv_step.type = reverse_types[step.type];
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bool32 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;
inv_step.pre_pos = prev.pre_pos;
}
}
}
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if (did_merge){
result = history->edits + (history->edit_count-1);
}
else{
if (history->edit_count == history->edit_max)
undo_stack_grow_edits(general, history);
result = history->edits + (history->edit_count++);
}
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*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;
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if (history->edit_count == history->edit_max)
undo_stack_grow_edits(general, history);
result = history->edits + (history->edit_count++);
*result = inv_step;
}
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return result;
}
inline Full_Cursor
view_compute_cursor_from_pos(View *view, i32 pos){
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Editing_File *file = view->file_data.file;
Models *models = view->persistent.models;
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Render_Font *font = get_font_info(models->font_set, models->global_font.font_id)->font;
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Full_Cursor result = {};
if (font){
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f32 max_width = view_file_width(view);
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result = buffer_cursor_from_pos(&file->state.buffer, pos, view->file_data.line_wrap_y,
max_width, (f32)view->font_height, font->advance_data);
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}
return result;
}
inline Full_Cursor
view_compute_cursor_from_unwrapped_xy(View *view, f32 seek_x, f32 seek_y, b32 round_down = 0){
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Editing_File *file = view->file_data.file;
Models *models = view->persistent.models;
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Render_Font *font = get_font_info(models->font_set, models->global_font.font_id)->font;
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Full_Cursor result = {};
if (font){
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f32 max_width = view_file_width(view);
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result = buffer_cursor_from_unwrapped_xy(&file->state.buffer, seek_x, seek_y,
round_down, view->file_data.line_wrap_y, max_width, (f32)view->font_height, font->advance_data);
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}
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return result;
}
internal Full_Cursor
view_compute_cursor_from_wrapped_xy(View *view, f32 seek_x, f32 seek_y, b32 round_down = 0){
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Editing_File *file = view->file_data.file;
Models *models = view->persistent.models;
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Render_Font *font = get_font_info(models->font_set, models->global_font.font_id)->font;
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Full_Cursor result = {};
if (font){
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f32 max_width = view_file_width(view);
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result = buffer_cursor_from_wrapped_xy(&file->state.buffer, seek_x, seek_y,
round_down, view->file_data.line_wrap_y,
max_width, (f32)view->font_height, font->advance_data);
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}
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return (result);
}
internal Full_Cursor
view_compute_cursor_from_line_pos(View *view, i32 line, i32 pos){
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Editing_File *file = view->file_data.file;
Models *models = view->persistent.models;
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Render_Font *font = get_font_info(models->font_set, models->global_font.font_id)->font;
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Full_Cursor result = {};
if (font){
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f32 max_width = view_file_width(view);
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result = buffer_cursor_from_line_character(&file->state.buffer, line, pos,
view->file_data.line_wrap_y, max_width, (f32)view->font_height, font->advance_data);
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}
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return (result);
}
inline Full_Cursor
view_compute_cursor(View *view, Buffer_Seek seek){
Full_Cursor result = {};
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switch(seek.type){
case buffer_seek_pos:
result = view_compute_cursor_from_pos(view, seek.pos);
break;
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case buffer_seek_wrapped_xy:
result = view_compute_cursor_from_wrapped_xy(view, seek.x, seek.y);
break;
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case buffer_seek_unwrapped_xy:
result = view_compute_cursor_from_unwrapped_xy(view, seek.x, seek.y);
break;
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case buffer_seek_line_char:
result = view_compute_cursor_from_line_pos(view, seek.line, seek.character);
break;
}
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return (result);
}
inline Full_Cursor
view_compute_cursor_from_xy(View *view, f32 seek_x, f32 seek_y){
Full_Cursor result;
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if (view->file_data.unwrapped_lines) result = view_compute_cursor_from_unwrapped_xy(view, seek_x, seek_y);
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else result = view_compute_cursor_from_wrapped_xy(view, seek_x, seek_y);
return result;
}
inline void
view_set_temp_highlight(View *view, i32 pos, i32 end_pos){
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view->file_data.temp_highlight = view_compute_cursor_from_pos(view, pos);
view->file_data.temp_highlight_end_pos = end_pos;
view->file_data.show_temp_highlight = 1;
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}
inline i32
view_get_cursor_pos(View *view){
i32 result;
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if (view->file_data.show_temp_highlight){
result = view->file_data.temp_highlight.pos;
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}
else{
result = view->recent->cursor.pos;
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}
return result;
}
inline f32
view_get_cursor_x(View *view){
f32 result;
Full_Cursor *cursor;
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if (view->file_data.show_temp_highlight){
cursor = &view->file_data.temp_highlight;
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}
else{
cursor = &view->recent->cursor;
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}
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if (view->file_data.unwrapped_lines){
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result = cursor->unwrapped_x;
}
else{
result = cursor->wrapped_x;
}
return result;
}
inline f32
view_get_cursor_y(View *view){
Full_Cursor *cursor;
f32 result;
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if (view->file_data.show_temp_highlight) cursor = &view->file_data.temp_highlight;
else cursor = &view->recent->cursor;
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if (view->file_data.unwrapped_lines) result = cursor->unwrapped_y;
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else result = cursor->wrapped_y;
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return result;
}
#define CursorMaxY_(m,h) ((m) - (h)*3)
#define CursorMinY_(m,h) (-(m) + (h)*2)
#define CursorMaxY(m,h) (CursorMaxY_(m,h) > 0)?(CursorMaxY_(m,h)):(0)
#define CursorMinY(m,h) (CursorMinY_(m,h) > 0)?(CursorMinY_(m,h)):(0)
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internal void
view_move_cursor_to_view(View *view){
f32 min_target_y = view->recent->scroll.min_y;
i32 line_height = view->font_height;
f32 old_cursor_y = view_get_cursor_y(view);
f32 cursor_y = old_cursor_y;
f32 target_y = view->recent->scroll.target_y;
f32 cursor_max_y = CursorMaxY(view_file_height(view), line_height);
f32 cursor_min_y = CursorMinY(min_target_y, line_height);
if (cursor_y > target_y + cursor_max_y){
cursor_y = target_y + cursor_max_y;
}
if (target_y != 0 && cursor_y < target_y + cursor_min_y){
cursor_y = target_y + cursor_min_y;
}
if (cursor_y != old_cursor_y){
if (cursor_y > old_cursor_y){
cursor_y += line_height;
}
else{
cursor_y -= line_height;
}
view->recent->cursor =
view_compute_cursor_from_xy(view, view->recent->preferred_x, cursor_y);
}
}
internal void
view_move_view_to_cursor(View *view, GUI_Scroll_Vars *scroll){
f32 line_height = (f32)view->font_height;
f32 delta_y = 3.f*line_height;
f32 max_visible_y = view_file_height(view);
f32 max_x = view_file_width(view);
f32 cursor_y = view_get_cursor_y(view);
f32 cursor_x = view_get_cursor_x(view);
GUI_Scroll_Vars scroll_vars = *scroll;
f32 target_y = scroll_vars.target_y;
f32 target_x = scroll_vars.target_x;
f32 cursor_max_y = CursorMaxY(max_visible_y, line_height);
f32 cursor_min_y = CursorMinY(scroll_vars.min_y, line_height);
if (cursor_y > target_y + cursor_max_y){
target_y = cursor_y - cursor_max_y + delta_y;
}
if (cursor_y < target_y + cursor_min_y){
target_y = cursor_y - delta_y - cursor_min_y;
}
if (target_y > scroll_vars.max_y) target_y = scroll_vars.max_y;
if (target_y < scroll_vars.min_y) target_y = view->recent->scroll.min_y;
if (cursor_x < target_x){
target_x = (f32)Max(0, cursor_x - max_x/2);
}
else if (cursor_x >= target_x + max_x){
target_x = (f32)(cursor_x - max_x/2);
}
if (target_x != scroll_vars.target_x || target_y != scroll_vars.target_y){
scroll->target_x = target_x;
scroll->target_y = target_y;
}
}
inline void
file_view_nullify_file(View *view){
General_Memory *general = &view->persistent.models->mem.general;
if (view->file_data.line_wrap_y){
general_memory_free(general, view->file_data.line_wrap_y);
}
view->file_data = file_viewing_data_zero();
}
internal void
view_set_file(View *view, Editing_File *file, Models *models){
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Font_Info *fnt_info;
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// TODO(allen): This belongs somewhere else.
fnt_info = get_font_info(models->font_set, models->global_font.font_id);
view->font_advance = fnt_info->advance;
view->font_height = fnt_info->height;
file_view_nullify_file(view);
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view->file_data.file = file;
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if (file){
u64 unique_buffer_id = file->unique_buffer_id;
Recent_File_Data *recent = view->recent;
Recent_File_Data temp_recent = {0};
i32 i = 0;
i32 max = ArrayCount(view->recent)-1;
b32 found_recent_entry = 0;
view->file_data.unwrapped_lines = file->settings.unwrapped_lines;
for (; i < max; ++i, ++recent){
if (recent->unique_buffer_id == unique_buffer_id){
temp_recent = *recent;
memmove(view->recent+1, view->recent, sizeof(*recent)*i);
view->recent[0] = temp_recent;
found_recent_entry = 1;
break;
}
}
if (found_recent_entry){
if (file_is_ready(file)){
view_measure_wraps(&models->mem.general, view);
view->recent->cursor = view_compute_cursor_from_pos(view, view->recent->cursor.pos);
view->recent->scroll.max_y = 1000000000.f;
view_move_view_to_cursor(view, &view->recent->scroll);
}
}
else{
i = 15;
recent = view->recent + i;
memmove(view->recent+1, view->recent, sizeof(*recent)*i);
view->recent[0] = recent_file_data_zero();
recent = view->recent;
recent->unique_buffer_id = unique_buffer_id;
if (file_is_ready(file)){
view_measure_wraps(&models->mem.general, view);
view->recent->cursor = view_compute_cursor_from_pos(view, file->state.cursor_pos);
view->recent->scroll.max_y = 1000000000.f;
view_move_view_to_cursor(view, &view->recent->scroll);
if (!found_recent_entry){
view->reinit_scrolling = 1;
}
}
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}
}
}
struct Relative_Scrolling{
f32 scroll_x, scroll_y;
f32 target_x, target_y;
f32 scroll_min_limit;
};
internal Relative_Scrolling
view_get_relative_scrolling(View *view){
Relative_Scrolling result;
f32 cursor_y;
cursor_y = view_get_cursor_y(view);
result.scroll_y = cursor_y - view->recent->scroll.scroll_y;
result.target_y = cursor_y - view->recent->scroll.target_y;
result.scroll_min_limit = view->recent->scroll.min_y;
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return(result);
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}
internal void
view_set_relative_scrolling(View *view, Relative_Scrolling scrolling){
f32 cursor_y;
cursor_y = view_get_cursor_y(view);
view->recent->scroll.scroll_y = cursor_y - scrolling.scroll_y;
view->recent->scroll.target_y = cursor_y - scrolling.target_y;
if (view->recent->scroll.target_y < scrolling.scroll_min_limit){
view->recent->scroll.target_y = scrolling.scroll_min_limit;
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}
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}
inline void
view_cursor_move(View *view, Full_Cursor cursor){
view->recent->cursor = cursor;
view->recent->preferred_x = view_get_cursor_x(view);
view->file_data.file->state.cursor_pos = view->recent->cursor.pos;
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view->file_data.show_temp_highlight = 0;
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}
inline void
view_cursor_move(View *view, i32 pos){
Full_Cursor cursor = view_compute_cursor_from_pos(view, pos);
view_cursor_move(view, cursor);
}
inline void
view_cursor_move(View *view, f32 x, f32 y, b32 round_down = 0){
Full_Cursor cursor;
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if (view->file_data.unwrapped_lines){
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cursor = view_compute_cursor_from_unwrapped_xy(view, x, y, round_down);
}
else{
cursor = view_compute_cursor_from_wrapped_xy(view, x, y, round_down);
}
view_cursor_move(view, cursor);
}
inline void
view_cursor_move(View *view, i32 line, i32 pos){
Full_Cursor cursor = view_compute_cursor_from_line_pos(view, line, pos);
view_cursor_move(view, cursor);
}
inline void
view_set_widget(View *view, View_Widget_Type type){
view->widget.type = type;
}
inline i32_Rect
view_widget_rect(View *view, i32 font_height){
Panel *panel = view->panel;
i32_Rect result = panel->inner;
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if (view->file_data.file){
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result.y0 = result.y0 + font_height + 2;
}
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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;
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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);
}break;
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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);
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b32 restore_redos = 0;
Edit_Step *redo_end = 0;
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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);
}
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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;
}
}
else{
++undo_count;
}
--redo_start;
}
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if (redo_start < redo_end){
++redo_start;
++redo_end;
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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;
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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;
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--edit_dest;
*edit_dest = *edit_src;
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str_redo_pos -= edit_dest->edit.len;
edit_dest->edit.str_start = str_redo_pos;
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memcpy(str_dest_base + str_redo_pos, str_src, edit_dest->edit.len);
}
}
else{
++undo_count;
}
}
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;
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case ED_UNDO:
{
if (history_mode != hist_forward)
file_post_history(general, file, step, do_merge, can_merge);
file_post_redo(general, file, step);
undo_stack_pop(&file->state.undo.undo);
}break;
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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;
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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);
undo_stack_pop(&file->state.undo.redo);
}break;
}
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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;
}
}
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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_stack.tokens){
general_memory_free(general, file->state.swap_stack.tokens);
file->state.swap_stack.tokens = 0;
}
}
file->state.last_4ed_edit_time = system->now_time_stamp();
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}
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,
Partition *part, General_Memory *general,
Editing_File *file, Editing_Layout *layout,
Cursor_Fix_Descriptor desc){
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Full_Cursor temp_cursor;
Temp_Memory cursor_temp = begin_temp_memory(part);
i32 cursor_max = layout->panel_max_count * 2;
Cursor_With_Index *cursors = push_array(part, Cursor_With_Index, cursor_max);
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f32 y_offset = 0, y_position = 0;
i32 cursor_count = 0;
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View *view;
Panel *panel, *used_panels;
used_panels = &layout->used_sentinel;
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for (dll_items(panel, used_panels)){
view = panel->view;
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if (view->file_data.file == file){
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view_measure_wraps(general, view);
write_cursor_with_index(cursors, &cursor_count, view->recent->cursor.pos);
write_cursor_with_index(cursors, &cursor_count, view->recent->mark - 1);
write_cursor_with_index(cursors, &cursor_count, view->recent->scroll_i - 1);
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}
}
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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);
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}
else{
buffer_update_cursors(cursors, cursor_count,
desc.start, desc.end,
desc.shift_amount + (desc.end - desc.start));
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}
buffer_unsort_cursors(cursors, cursor_count);
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cursor_count = 0;
for (dll_items(panel, used_panels)){
view = panel->view;
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if (view && view->file_data.file == file){
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view_cursor_move(view, cursors[cursor_count++].pos);
view->recent->preferred_x = view_get_cursor_x(view);
view->recent->mark = cursors[cursor_count++].pos + 1;
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i32 new_scroll_i = cursors[cursor_count++].pos + 1;
if (view->recent->scroll_i != new_scroll_i){
view->recent->scroll_i = new_scroll_i;
temp_cursor = view_compute_cursor_from_pos(view, view->recent->scroll_i);
y_offset = MOD(view->recent->scroll.scroll_y, view->font_height);
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if (view->file_data.unwrapped_lines){
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y_position = temp_cursor.unwrapped_y + y_offset;
view->recent->scroll.target_y += (y_position - view->recent->scroll.scroll_y);
view->recent->scroll.scroll_y = y_position;
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}
else{
y_position = temp_cursor.wrapped_y + y_offset;
view->recent->scroll.target_y += (y_position - view->recent->scroll.scroll_y);
view->recent->scroll.scroll_y = y_position;
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}
}
}
}
}
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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, b32 use_high_permission = 0){
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if (!use_high_permission && file->settings.read_only) return;
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Mem_Options *mem = &models->mem;
Editing_Layout *layout = &models->layout;
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// NOTE(allen): fixing stuff beforewards????
file_update_history_before_edit(mem, file, spec.step, spec.str, history_mode);
file_pre_edit_maintenance(system, &mem->general, file);
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// NOTE(allen): actual text replacement
i32 shift_amount = 0;
General_Memory *general = &mem->general;
Partition *part = &mem->part;
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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;
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, BUBBLE_BUFFER);
}
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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Buffer_Type *buffer = &file->state.buffer;
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;
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Render_Font *font = get_font_info(models->font_set, file->state.font_id)->font;
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file_grow_starts_widths_as_needed(general, buffer, line_shift);
buffer_remeasure_starts(buffer, line_start, line_end, line_shift, shift_amount);
buffer_remeasure_widths(buffer, font->advance_data, line_start, line_end, line_shift);
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// NOTE(allen): update the views looking at this file
Panel *panel, *used_panels;
used_panels = &layout->used_sentinel;
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for (dll_items(panel, used_panels)){
View *view = panel->view;
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if (view->file_data.file == file){
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view_measure_wraps(general, view);
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}
}
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#if BUFFER_EXPERIMENT_SCALPEL <= 0
// NOTE(allen): fixing stuff afterwards
if (file->settings.tokens_exist)
file_relex_parallel(system, mem, file, start, end, shift_amount);
#endif
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Cursor_Fix_Descriptor desc = {};
desc.start = start;
desc.end = end;
desc.shift_amount = shift_amount;
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file_edit_cursor_fix(system, part, general, file, layout, desc);
}
internal void
file_do_white_batch_edit(System_Functions *system, Models *models, Editing_File *file,
Edit_Spec spec, History_Mode history_mode, b32 use_high_permission = 0){
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if (!use_high_permission && file->settings.read_only) return;
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Mem_Options *mem = &models->mem;
Editing_Layout *layout = &models->layout;
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// NOTE(allen): fixing stuff "beforewards"???
Assert(spec.str == 0);
file_update_history_before_edit(mem, file, spec.step, 0, history_mode);
file_pre_edit_maintenance(system, &mem->general, file);
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// NOTE(allen): actual text replacement
General_Memory *general = &mem->general;
Partition *part = &mem->part;
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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;
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Assert(spec.step.first_child < file->state.undo.children.edit_count);
Assert(batch_size >= 0);
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i32 scratch_size = partition_remaining(part);
Buffer_Batch_State state = {};
i32 request_amount;
while (buffer_batch_edit_step(&state, &file->state.buffer, batch,
(char*)str_base, batch_size, 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, BUBBLE_BUFFER);
}
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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// NOTE(allen): meta data
{
Buffer_Measure_Starts state = {};
Render_Font *font = get_font_info(models->font_set, file->state.font_id)->font;
float *advance_data = 0;
if (font) advance_data = font->advance_data;
buffer_measure_starts_widths(&state, &file->state.buffer, advance_data);
}
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// NOTE(allen): cursor fixing
{
Cursor_Fix_Descriptor desc = {};
desc.is_batch = 1;
desc.batch = batch;
desc.batch_size = batch_size;
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file_edit_cursor_fix(system, part, general, file, layout, desc);
}
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// NOTE(allen): token fixing
if (file->state.tokens_complete){
Cpp_Token_Stack tokens = file->state.token_stack;
Cpp_Token *token = tokens.tokens;
Cpp_Token *end_token = tokens.tokens + tokens.count;
Cpp_Token original = {(Cpp_Token_Type)0};
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Buffer_Edit *edit = batch;
Buffer_Edit *end_edit = batch + batch_size;
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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));
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));
}
token->size += local_shift;
shift_amount += local_shift;
}
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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, i32 next_cursor, b32 use_high_permission = 0){
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Edit_Spec spec = {};
spec.step.type = ED_NORMAL;
spec.step.edit.start = start;
spec.step.edit.end = end;
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spec.step.edit.len = len;
spec.step.pre_pos = file->state.cursor_pos;
spec.step.post_pos = next_cursor;
spec.str = (u8*)str;
file_do_single_edit(system, models, file, spec, hist_normal, use_high_permission);
}
inline void
file_clear(System_Functions *system, Models *models, Editing_File *file, b32 use_high_permission = 0){
file_replace_range(system, models, file, 0, buffer_size(&file->state.buffer), 0, 0, 0, use_high_permission);
}
inline void
view_replace_range(System_Functions *system, Models *models, View *view,
i32 start, i32 end, char *str, i32 len, i32 next_cursor){
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file_replace_range(system, models, view->file_data.file, start, end, str, len, next_cursor);
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}
inline void
view_post_paste_effect(View *view, i32 ticks, i32 start, i32 size, u32 color){
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Editing_File *file = view->file_data.file;
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file->state.paste_effect.start = start;
file->state.paste_effect.end = start + size;
file->state.paste_effect.color = color;
file->state.paste_effect.tick_down = ticks;
file->state.paste_effect.tick_max = ticks;
}
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internal Style*
get_style(Models *models, i32 i){
return (&models->styles.styles[i]);
}
internal Style*
main_style(Models *models){
return (get_style(models, 0));
}
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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;
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if (stack->edit_count > 0){
Edit_Step step = stack->edits[stack->edit_count-1];
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Assert(step.type == expected_type);
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Edit_Spec spec = {};
spec.step = step;
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if (step.child_count == 0){
spec.step.edit.str_start = 0;
spec.str = stack->strings + step.edit.str_start;
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file_do_single_edit(system, models, file, spec, hist_normal);
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if (expected_type == ED_UNDO) view_cursor_move(view, step.pre_pos);
else view_cursor_move(view, step.post_pos);
view->recent->mark = view->recent->cursor.pos;
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Style *style = main_style(models);
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view_post_paste_effect(view, 10, step.edit.start, step.edit.len,
style->main.undo_color);
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}
else{
TentativeAssert(spec.step.special_type == 1);
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file_do_white_batch_edit(system, models, view->file_data.file, spec, hist_normal);
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}
}
}
inline void
view_undo(System_Functions *system, Models *models, View *view){
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view_undo_redo(system, models, view, &view->file_data.file->state.undo.undo, ED_UNDO);
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}
inline void
view_redo(System_Functions *system, Models *models, View *view){
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view_undo_redo(system, models, view, &view->file_data.file->state.undo.redo, ED_REDO);
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}
inline u8*
write_data(u8 *ptr, void *x, i32 size){
memcpy(ptr, x, size);
return (ptr + size);
}
#define UseFileHistoryDump 0
#if UseFileHistoryDump
internal void
file_dump_history(System_Functions *system, Mem_Options *mem, Editing_File *file, char *filename){
if (!file->state.undo.undo.edits) return;
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i32 size = 0;
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size += sizeof(i32);
size += file->state.undo.undo.edit_count*sizeof(Edit_Step);
size += sizeof(i32);
size += file->state.undo.redo.edit_count*sizeof(Edit_Step);
size += sizeof(i32);
size += file->state.undo.history.edit_count*sizeof(Edit_Step);
size += sizeof(i32);
size += file->state.undo.children.edit_count*sizeof(Buffer_Edit);
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size += sizeof(i32);
size += file->state.undo.undo.size;
size += sizeof(i32);
size += file->state.undo.redo.size;
size += sizeof(i32);
size += file->state.undo.history.size;
size += sizeof(i32);
size += file->state.undo.children.size;
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Partition *part = &mem->part;
i32 remaining = partition_remaining(part);
if (size < remaining){
u8 *data, *curs;
data = (u8*)part->base + part->pos;
curs = data;
curs = write_data(curs, &file->state.undo.undo.edit_count, 4);
curs = write_data(curs, &file->state.undo.redo.edit_count, 4);
curs = write_data(curs, &file->state.undo.history.edit_count, 4);
curs = write_data(curs, &file->state.undo.children.edit_count, 4);
curs = write_data(curs, &file->state.undo.undo.size, 4);
curs = write_data(curs, &file->state.undo.redo.size, 4);
curs = write_data(curs, &file->state.undo.history.size, 4);
curs = write_data(curs, &file->state.undo.children.size, 4);
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curs = write_data(curs, file->state.undo.undo.edits, sizeof(Edit_Step)*file->state.undo.undo.edit_count);
curs = write_data(curs, file->state.undo.redo.edits, sizeof(Edit_Step)*file->state.undo.redo.edit_count);
curs = write_data(curs, file->state.undo.history.edits, sizeof(Edit_Step)*file->state.undo.history.edit_count);
curs = write_data(curs, file->state.undo.children.edits, sizeof(Buffer_Edit)*file->state.undo.children.edit_count);
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curs = write_data(curs, file->state.undo.undo.strings, file->state.undo.undo.size);
curs = write_data(curs, file->state.undo.redo.strings, file->state.undo.redo.size);
curs = write_data(curs, file->state.undo.history.strings, file->state.undo.history.size);
curs = write_data(curs, file->state.undo.children.strings, file->state.undo.children.size);
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Assert((i32)(curs - data) == size);
system->save_file(filename, data, size);
}
}
#endif
internal void
view_history_step(System_Functions *system, Models *models, View *view, History_Mode history_mode){
Assert(history_mode != hist_normal);
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Editing_File *file = view->file_data.file;
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b32 do_history_step = 0;
Edit_Step step = {};
if (history_mode == hist_backward){
if (file->state.undo.edit_history_cursor > 0){
do_history_step = 1;
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;
++file->state.undo.edit_history_cursor;
do_history_step = 1;
}
}
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if (do_history_step){
Edit_Spec spec;
spec.step = step;
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if (spec.step.child_count == 0){
spec.step.edit.str_start = 0;
spec.str = file->state.undo.history.strings + step.edit.str_start;
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file_do_single_edit(system, models, file, spec, history_mode);
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switch (spec.step.type){
case ED_NORMAL:
case ED_REDO:
view_cursor_move(view, step.post_pos);
break;
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case ED_REVERSE_NORMAL:
case ED_UNDO:
view_cursor_move(view, step.pre_pos);
break;
}
view->recent->mark = view->recent->cursor.pos;
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}
else{
TentativeAssert(spec.step.special_type == 1);
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file_do_white_batch_edit(system, models, view->file_data.file, spec, history_mode);
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}
}
}
// TODO(allen): write these as streamed operations
internal i32
view_find_end_of_line(View *view, i32 pos){
#if BUFFER_EXPERIMENT_SCALPEL <= 0
2016-05-04 23:21:30 +00:00
Editing_File *file = view->file_data.file;
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char *data = file->state.buffer.data;
while (pos < file->state.buffer.size && data[pos] != '\n') ++pos;
if (pos > file->state.buffer.size) pos = file->state.buffer.size;
#endif
return pos;
}
internal i32
view_find_beginning_of_line(View *view, i32 pos){
#if BUFFER_EXPERIMENT_SCALPEL <= 0
2016-05-04 23:21:30 +00:00
Editing_File *file = view->file_data.file;
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char *data = file->state.buffer.data;
if (pos > 0){
--pos;
while (pos > 0 && data[pos] != '\n') --pos;
if (pos != 0) ++pos;
}
#endif
return pos;
}
internal i32
view_find_beginning_of_next_line(View *view, i32 pos){
#if BUFFER_EXPERIMENT_SCALPEL <= 0
2016-05-04 23:21:30 +00:00
Editing_File *file = view->file_data.file;
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char *data = file->state.buffer.data;
while (pos < file->state.buffer.size &&
!starts_new_line(data[pos])){
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++pos;
}
if (pos < file->state.buffer.size){
++pos;
}
#endif
return pos;
}
internal String*
working_set_next_clipboard_string(General_Memory *general, Working_Set *working, i32 str_size){
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);
}
else{
new_str = (char*)general_memory_allocate(general, str_size+1);
}
// TODO(allen): What if new_str == 0?
*result = make_string(new_str, 0, str_size);
return result;
}
internal String*
working_set_clipboard_head(Working_Set *working){
String *result = 0;
if (working->clipboard_size > 0){
i32 clipboard_index = working->clipboard_current;
working->clipboard_rolling = clipboard_index;
result = &working->clipboards[clipboard_index];
}
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;
if (clipboard_index < 0){
clipboard_index = working->clipboard_size-1;
}
working->clipboard_rolling = clipboard_index;
result = &working->clipboards[clipboard_index];
}
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;
system->post_clipboard(*dest);
}
internal Edit_Spec
file_compute_whitespace_edit(Mem_Options *mem, Editing_File *file, i32 cursor_pos,
Buffer_Edit *edits, char *str_base, i32 str_size,
Buffer_Edit *inverse_array, char *inv_str, i32 inv_max,
i32 edit_count){
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General_Memory *general = &mem->general;
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i32 inv_str_pos = 0;
Buffer_Invert_Batch state = {};
if (buffer_invert_batch(&state, &file->state.buffer, edits, edit_count,
inverse_array, inv_str, &inv_str_pos, inv_max)){
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Assert(0);
2016-05-10 17:59:02 +00:00
}
2016-03-26 23:13:58 +00:00
i32 first_child =
undo_children_push(general, &file->state.undo.children,
edits, edit_count, (u8*)(str_base), str_size);
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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 = 1;
spec.step.child_count = edit_count;
spec.step.inverse_child_count = edit_count;
spec.step.pre_pos = cursor_pos;
spec.step.post_pos = cursor_pos;
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return spec;
}
internal void
view_clean_whitespace(System_Functions *system, Models *models, View *view){
Mem_Options *mem = &models->mem;
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Editing_File *file = view->file_data.file;
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Partition *part = &mem->part;
i32 line_count = file->state.buffer.line_count;
i32 edit_max = line_count * 2;
i32 edit_count = 0;
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Assert(file && !file->state.is_dummy);
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Temp_Memory temp = begin_temp_memory(part);
Buffer_Edit *edits = push_array(part, Buffer_Edit, edit_max);
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char *str_base = (char*)part->base + part->pos;
i32 str_size = 0;
for (i32 line_i = 0; line_i < line_count; ++line_i){
i32 start = file->state.buffer.line_starts[line_i];
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Hard_Start_Result hard_start =
buffer_find_hard_start(&file->state.buffer, start, 4);
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if (hard_start.all_whitespace) hard_start.indent_pos = 0;
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if ((hard_start.all_whitespace && hard_start.char_pos > start) || !hard_start.all_space){
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Buffer_Edit new_edit;
new_edit.str_start = str_size;
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str_size += hard_start.indent_pos;
char *str = push_array(part, char, hard_start.indent_pos);
for (i32 j = 0; j < hard_start.indent_pos; ++j) str[j] = ' ';
new_edit.len = hard_start.indent_pos;
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new_edit.start = start;
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new_edit.end = hard_start.char_pos;
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edits[edit_count++] = new_edit;
}
Assert(edit_count <= edit_max);
}
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if (edit_count > 0){
Assert(buffer_batch_debug_sort_check(edits, edit_count));
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// NOTE(allen): computing edit spec, doing batch edit
Buffer_Edit *inverse_array = push_array(part, Buffer_Edit, edit_count);
Assert(inverse_array);
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char *inv_str = (char*)part->base + part->pos;
Edit_Spec spec =
file_compute_whitespace_edit(mem, file, view->recent->cursor.pos, edits, str_base, str_size,
inverse_array, inv_str, part->max - part->pos, edit_count);
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file_do_white_batch_edit(system, models, view->file_data.file, spec, hist_normal);
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}
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end_temp_memory(temp);
}
struct Indent_Options{
b32 empty_blank_lines;
b32 use_tabs;
i32 tab_width;
};
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struct Make_Batch_Result{
char *str_base;
i32 str_size;
Buffer_Edit *edits;
i32 edit_max;
i32 edit_count;
};
2016-03-26 23:13:58 +00:00
2016-05-16 03:22:31 +00:00
internal Cpp_Token*
get_first_token_at_line(Buffer *buffer, Cpp_Token_Stack tokens, i32 line){
Cpp_Token *result = 0;
i32 start_pos = 0;
Cpp_Get_Token_Result get_token = {0};
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start_pos = buffer->line_starts[line];
get_token = cpp_get_token(&tokens, start_pos);
if (get_token.in_whitespace) get_token.token_index += 1;
result = tokens.tokens + get_token.token_index;
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return(result);
}
2016-03-26 23:13:58 +00:00
2016-05-16 03:22:31 +00:00
internal Cpp_Token*
seek_matching_token_backwards(Cpp_Token_Stack tokens, Cpp_Token *token,
Cpp_Token_Type open_type, Cpp_Token_Type close_type){
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int nesting_level = 0;
2016-05-16 20:30:19 +00:00
if (token <= tokens.tokens){
token = tokens.tokens;
}
else{
for (; token > tokens.tokens; --token){
if (!(token->flags & CPP_TFLAG_PP_BODY)){
if (token->type == close_type){
++nesting_level;
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}
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else if (token->type == open_type){
if (nesting_level == 0){
break;
}
else{
--nesting_level;
}
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}
}
}
}
return(token);
}
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struct Indent_Parse_State{
i32 current_indent;
i32 previous_line_indent;
i32 paren_nesting;
i32 paren_anchor_indent[16];
};
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internal i32
compute_this_indent(Buffer *buffer, Indent_Parse_State indent,
Cpp_Token T, Cpp_Token prev_token, i32 line_i, i32 tab_width){
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i32 previous_indent = indent.previous_line_indent;
i32 this_indent = 0;
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i32 this_line_start = buffer->line_starts[line_i];
i32 next_line_start = 0;
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if (line_i+1 < buffer->line_count){
next_line_start = buffer->line_starts[line_i+1];
}
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else{
next_line_start = buffer_size(buffer);
}
if ((prev_token.type == CPP_TOKEN_COMMENT || prev_token.type == CPP_TOKEN_STRING_CONSTANT) &&
prev_token.start <= this_line_start && prev_token.start + prev_token.size > this_line_start){
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this_indent = previous_indent;
}
else{
this_indent = indent.current_indent;
if (T.start < next_line_start){
if (T.flags & CPP_TFLAG_PP_DIRECTIVE){
this_indent = 0;
}
else{
switch (T.type){
case CPP_TOKEN_BRACKET_CLOSE: this_indent -= tab_width; break;
case CPP_TOKEN_BRACE_CLOSE: this_indent -= tab_width; break;
case CPP_TOKEN_BRACE_OPEN: break;
default:
if (indent.current_indent > 0){
if (!(prev_token.flags & CPP_TFLAG_PP_BODY ||
prev_token.flags & CPP_TFLAG_PP_DIRECTIVE)){
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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: this_indent += tab_width;
}
}
}
}
}
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}
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if (this_indent < 0) this_indent = 0;
}
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if (indent.paren_nesting > 0){
i32 level = indent.paren_nesting-1;
if (level >= ArrayCount(indent.paren_anchor_indent)){
level = ArrayCount(indent.paren_anchor_indent)-1;
}
this_indent = indent.paren_anchor_indent[level];
}
return(this_indent);
}
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internal i32*
get_line_indentation_marks(Partition *part, Buffer *buffer, Cpp_Token_Stack tokens,
i32 line_start, i32 line_end, i32 tab_width){
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i32 indent_mark_count = line_end - line_start;
i32 *indent_marks = push_array(part, i32, indent_mark_count);
Indent_Parse_State indent = {0};
Cpp_Token *token = get_first_token_at_line(buffer, tokens, line_start);
if (token != tokens.tokens){
--token;
for (; token > tokens.tokens; --token){
if (!(token->flags & CPP_TFLAG_PP_BODY)){
switch(token->type){
case CPP_TOKEN_BRACE_OPEN:
case CPP_TOKEN_BRACE_CLOSE:
goto out_of_loop;
}
}
}
out_of_loop:;
}
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// TODO(allen): This can maybe be it's own function now, so that we
// can do the decls in the order we want and avoid the extra binary search.
i32 found_safe_start_position = 0;
do{
i32 line = buffer_get_line_index(buffer, token->start);
i32 start = buffer->line_starts[line];
Hard_Start_Result hard_start = buffer_find_hard_start(buffer, start, tab_width);
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indent.current_indent = hard_start.indent_pos;
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Cpp_Token *start_token = get_first_token_at_line(buffer, tokens, line);
Cpp_Token *brace_token = token;
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if (start_token->type == CPP_TOKEN_PARENTHESE_OPEN){
if (start_token == tokens.tokens){
found_safe_start_position = 1;
}
else{
token = start_token-1;
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}
}
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else{
int close = 0;
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for (token = brace_token; token >= start_token; --token){
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switch(token->type){
case CPP_TOKEN_PARENTHESE_CLOSE:
case CPP_TOKEN_BRACKET_CLOSE:
case CPP_TOKEN_BRACE_CLOSE:
close = token->type;
goto out_of_loop2;
}
}
out_of_loop2:;
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switch (close){
case 0: token = start_token; found_safe_start_position = 1; break;
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case CPP_TOKEN_PARENTHESE_CLOSE:
token = seek_matching_token_backwards(tokens, token-1,
CPP_TOKEN_PARENTHESE_OPEN,
CPP_TOKEN_PARENTHESE_CLOSE);
break;
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case CPP_TOKEN_BRACKET_CLOSE:
token = seek_matching_token_backwards(tokens, token-1,
CPP_TOKEN_BRACKET_OPEN,
CPP_TOKEN_BRACKET_CLOSE);
break;
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case CPP_TOKEN_BRACE_CLOSE:
token = seek_matching_token_backwards(tokens, token-1,
CPP_TOKEN_BRACE_OPEN,
CPP_TOKEN_BRACE_CLOSE);
break;
}
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}
} while(found_safe_start_position == 0);
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// NOTE(allen): Shift the array so that line_i can just operate in
// it's natural value range.
indent_marks -= line_start;
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i32 line_i = buffer_get_line_index(buffer, token->start);
if (line_i > line_start){
line_i = line_start;
}
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i32 next_line_start = buffer->line_starts[line_i+1];
switch (token->type){
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case CPP_TOKEN_BRACKET_OPEN: indent.current_indent += tab_width; break;
case CPP_TOKEN_BRACE_OPEN: indent.current_indent += tab_width; break;
}
2016-05-16 03:22:31 +00:00
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indent.previous_line_indent = indent.current_indent;
Cpp_Token T;
Cpp_Token prev_token = *token;
++token;
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for (; line_i < line_end; ++token){
if (token < tokens.tokens + tokens.count){
T = *token;
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}
else{
T.type = CPP_TOKEN_EOF;
T.start = buffer_size(buffer);
T.flags = 0;
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}
for (; T.start >= next_line_start && line_i < line_end;){
if (line_i+1 < buffer->line_count){
next_line_start = buffer->line_starts[line_i+1];
}
else{
next_line_start = buffer_size(buffer);
}
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// TODO(allen): Since this is called in one place we can probably go back
// to directly passing in next_line_start and this_line_start.
i32 this_indent = compute_this_indent(buffer, indent, T, prev_token, line_i, tab_width);
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if (line_i >= line_start){
indent_marks[line_i] = this_indent;
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}
++line_i;
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indent.previous_line_indent = this_indent;
}
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switch (T.type){
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case CPP_TOKEN_BRACKET_OPEN: indent.current_indent += 4; break;
case CPP_TOKEN_BRACKET_CLOSE: indent.current_indent -= 4; break;
case CPP_TOKEN_BRACE_OPEN: indent.current_indent += 4; break;
case CPP_TOKEN_BRACE_CLOSE: indent.current_indent -= 4; break;
case CPP_TOKEN_PARENTHESE_OPEN:
if (!(T.flags & CPP_TFLAG_PP_BODY)){
if (indent.paren_nesting < ArrayCount(indent.paren_anchor_indent)){
i32 line = buffer_get_line_index(buffer, T.start);
i32 start = buffer->line_starts[line];
i32 char_pos = T.start - start;
Hard_Start_Result hard_start = buffer_find_hard_start(
buffer, start, tab_width);
2016-05-16 03:22:31 +00:00
i32 line_pos = hard_start.char_pos - start;
indent.paren_anchor_indent[indent.paren_nesting] =
char_pos - line_pos + indent.previous_line_indent + 1;
}
++indent.paren_nesting;
}
break;
2016-05-16 03:22:31 +00:00
case CPP_TOKEN_PARENTHESE_CLOSE:
if (!(T.flags & CPP_TFLAG_PP_BODY)){
--indent.paren_nesting;
}
break;
2016-03-26 23:13:58 +00:00
}
prev_token = T;
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}
// NOTE(allen): Unshift the indent_marks array so that the return value
2016-05-16 03:22:31 +00:00
// is the exact starting point of the array that was actually allocated.
indent_marks += line_start;
return(indent_marks);
}
2016-03-26 23:13:58 +00:00
internal Make_Batch_Result
make_batch_from_indent_marks(Partition *part, Buffer *buffer, i32 line_start, i32 line_end,
i32 *indent_marks, Indent_Options opts){
Make_Batch_Result result = {0};
i32 edit_max = line_end - line_start;
i32 edit_count = 0;
2016-03-26 23:13:58 +00:00
Buffer_Edit *edits = push_array(part, Buffer_Edit, edit_max);
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char *str_base = (char*)part->base + part->pos;
i32 str_size = 0;
2016-05-16 03:22:31 +00:00
// NOTE(allen): Shift the array so that line_i can just operate in
// it's natural value range.
indent_marks -= line_start;
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for (i32 line_i = line_start; line_i < line_end; ++line_i){
i32 start = buffer->line_starts[line_i];
2016-05-16 03:22:31 +00:00
Hard_Start_Result hard_start =
buffer_find_hard_start(buffer, start, opts.tab_width);
2016-05-16 03:22:31 +00:00
i32 correct_indentation = indent_marks[line_i];
if (hard_start.all_whitespace && opts.empty_blank_lines) correct_indentation = 0;
if (correct_indentation == -1) correct_indentation = hard_start.indent_pos;
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if ((hard_start.all_whitespace && hard_start.char_pos > start) ||
!hard_start.all_space || correct_indentation != hard_start.indent_pos){
2016-03-26 23:13:58 +00:00
Buffer_Edit new_edit;
new_edit.str_start = str_size;
str_size += correct_indentation;
char *str = push_array(part, char, correct_indentation);
i32 j = 0;
if (opts.use_tabs){
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i32 i = 0;
for (; i + opts.tab_width <= correct_indentation; i += opts.tab_width) str[j++] = '\t';
2016-03-26 23:13:58 +00:00
for (; i < correct_indentation; ++i) str[j++] = ' ';
}
else{
for (; j < correct_indentation; ++j) str[j] = ' ';
}
new_edit.len = j;
new_edit.start = start;
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new_edit.end = hard_start.char_pos;
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edits[edit_count++] = new_edit;
}
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Assert(edit_count <= edit_max);
}
result.str_base = str_base;
result.str_size = str_size;
result.edits = edits;
result.edit_max = edit_max;
result.edit_count = edit_count;
return(result);
}
2016-03-26 23:13:58 +00:00
internal void
view_auto_tab_tokens(System_Functions *system, Models *models,
View *view, i32 start, i32 end, Indent_Options opts){
#if BUFFER_EXPERIMENT_SCALPEL <= 0
Editing_File *file = view->file_data.file;
Mem_Options *mem = &models->mem;
Partition *part = &mem->part;
Buffer *buffer = &file->state.buffer;
2016-05-16 03:22:31 +00:00
Assert(file && !file->state.is_dummy);
Cpp_Token_Stack tokens = file->state.token_stack;
Assert(tokens.tokens);
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i32 line_start = buffer_get_line_index(buffer, start);
i32 line_end = buffer_get_line_index(buffer, end) + 1;
2016-05-16 03:22:31 +00:00
Temp_Memory temp = begin_temp_memory(part);
i32 *indent_marks =
2016-05-16 03:22:31 +00:00
get_line_indentation_marks(part, buffer, tokens, line_start, line_end, opts.tab_width);
Make_Batch_Result batch =
make_batch_from_indent_marks(part, buffer, line_start, line_end, indent_marks, opts);
if (batch.edit_count > 0){
Assert(buffer_batch_debug_sort_check(batch.edits, batch.edit_count));
2016-03-26 23:13:58 +00:00
// NOTE(allen): computing edit spec, doing batch edit
Buffer_Edit *inverse_array = push_array(part, Buffer_Edit, batch.edit_count);
2016-03-26 23:13:58 +00:00
Assert(inverse_array);
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char *inv_str = (char*)part->base + part->pos;
Edit_Spec spec =
file_compute_whitespace_edit(mem, file, view->recent->cursor.pos,
batch.edits, batch.str_base, batch.str_size,
inverse_array, inv_str, part->max - part->pos, batch.edit_count);
2016-05-04 23:21:30 +00:00
file_do_white_batch_edit(system, models, view->file_data.file, spec, hist_normal);
2016-03-26 23:13:58 +00:00
}
end_temp_memory(temp);
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{
i32 start = view->recent->cursor.pos;
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Hard_Start_Result hard_start = buffer_find_hard_start(buffer, start, 4);
view_cursor_move(view, hard_start.char_pos);
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}
#endif
}
struct Get_Link_Result{
b32 in_link;
i32 index;
};
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;
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case CPP_TOKEN_STRING_CONSTANT:
result = &style->main.str_constant_color;
break;
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case CPP_TOKEN_CHARACTER_CONSTANT:
result = &style->main.char_constant_color;
break;
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case CPP_TOKEN_INTEGER_CONSTANT:
result = &style->main.int_constant_color;
break;
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case CPP_TOKEN_FLOATING_CONSTANT:
result = &style->main.float_constant_color;
break;
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case CPP_TOKEN_INCLUDE_FILE:
result = &style->main.include_color;
break;
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default:
result = &style->main.default_color;
2016-03-31 04:05:47 +00:00
break;
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}
}
return result;
}
inline f32
view_compute_max_target_y(i32 lowest_line, i32 line_height, f32 view_height){
2016-03-31 04:05:47 +00:00
f32 max_target_y = ((lowest_line+.5f)*line_height) - view_height*.5f;
if (max_target_y < 0) max_target_y = 0;
return(max_target_y);
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}
internal f32
view_compute_max_target_y(View *view){
i32 lowest_line = view_compute_lowest_line(view);
i32 line_height = view->font_height;
2016-03-31 17:13:40 +00:00
f32 view_height = view_file_height(view);
f32 max_target_y = view_compute_max_target_y(lowest_line, line_height, view_height);
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return(max_target_y);
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}
internal void
remeasure_file_view(System_Functions *system, View *view){
2016-05-04 23:21:30 +00:00
if (file_is_ready(view->file_data.file)){
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Relative_Scrolling relative = view_get_relative_scrolling(view);
view_measure_wraps(&view->persistent.models->mem.general, view);
view_cursor_move(view, view->recent->cursor.pos);
view->recent->preferred_x = view_get_cursor_x(view);
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view_set_relative_scrolling(view, relative);
}
}
inline void
view_show_menu(View *view, Command_Map *gui_map){
view->map = gui_map;
view->showing_ui = VUI_Menu;
view->current_scroll = &view->gui_scroll;
}
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inline void
view_show_config(View *view, Command_Map *gui_map){
view->map = gui_map;
view->showing_ui = VUI_Config;
view->current_scroll = &view->gui_scroll;
}
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inline void
view_show_interactive(System_Functions *system, View *view,
Command_Map *gui_map, Interactive_Action action,
Interactive_Interaction interaction, String query){
2016-03-31 04:05:47 +00:00
Models *models = view->persistent.models;
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view->showing_ui = VUI_Interactive;
view->action = action;
view->interaction = interaction;
2016-04-04 05:29:52 +00:00
view->dest = make_fixed_width_string(view->dest_);
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view->list_i = 0;
view->current_scroll = &view->gui_scroll;
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2016-04-05 03:13:13 +00:00
view->map = gui_map;
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hot_directory_clean_end(&models->hot_directory);
hot_directory_reload(system, &models->hot_directory, &models->working_set);
}
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inline void
view_show_theme(View *view, Command_Map *gui_map){
view->map = gui_map;
view->showing_ui = VUI_Theme;
view->color_mode = CV_Mode_Library;
view->color = super_color_create(0xFF000000);
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view->current_color_editing = 0;
view->current_scroll = &view->gui_scroll;
}
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inline void
2016-05-20 01:12:41 +00:00
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);
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}
else{
view->map = get_map(view->persistent.models, mapid_global);
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}
view->showing_ui = VUI_None;
view->current_scroll = &view->recent->scroll;
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}
internal void
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view_save_file(System_Functions *system, Models *models,
Editing_File *file, View *view, String filename, b32 save_as){
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Mem_Options *mem = &models->mem;
Working_Set *working_set = &models->working_set;
if (!file){
if (view){
file = view->file_data.file;
}
else{
file = working_set_lookup_file(working_set, filename);
}
}
if (file && buffer_get_sync(file) != SYNC_GOOD){
if (file_save(system, mem, file, filename.str)){
if (save_as){
file_set_name(working_set, file, filename.str);
}
}
}
}
internal void
view_new_file(System_Functions *system, Models *models,
View *view, String string){
Working_Set *working_set = &models->working_set;
General_Memory *general = &models->mem.general;
Editing_File *file = working_set_alloc_always(working_set, general);
file_create_empty(system, models, file, string.str);
working_set_add(system, working_set, file, general);
view_set_file(view, file, models);
view_show_file(view);
view->map = get_map(models, file->settings.base_map_id);
Hook_Function *new_file_fnc = models->hooks[hook_new_file];
if (new_file_fnc){
models->buffer_param_indices[models->buffer_param_count++] = file->id.id;
new_file_fnc(&models->app_links);
models->buffer_param_count = 0;
file->settings.is_initialized = 1;
}
#if BUFFER_EXPERIMENT_SCALPEL <= 0
if (file->settings.tokens_exist){
file_first_lex_parallel(system, general, file);
}
#endif
}
internal void
init_normal_file(System_Functions *system, Models *models, Editing_File *file,
char *buffer, i32 size){
General_Memory *general = &models->mem.general;
String val = make_string(buffer, size);
file_create_from_string(system, models, file, file->name.source_path.str, val);
if (file->settings.tokens_exist){
file_first_lex_parallel(system, general, file);
}
for (View_Iter iter = file_view_iter_init(&models->layout, file, 0);
file_view_iter_good(iter);
iter = file_view_iter_next(iter)){
view_measure_wraps(general, iter.view);
}
}
internal void
view_open_file(System_Functions *system, Models *models,
View *view, String filename){
Working_Set *working_set = &models->working_set;
General_Memory *general = &models->mem.general;
Partition *part = &models->mem.part;
Editing_File *file = working_set_contains(system, working_set, filename);
if (file == 0){
File_Loading loading = system->file_load_begin(filename.str);
if (loading.exists){
Temp_Memory temp = begin_temp_memory(part);
char *buffer = push_array(part, char, loading.size);
if (system->file_load_end(loading, buffer)){
file = working_set_alloc_always(working_set, general);
if (file){
file_init_strings(file);
file_set_name(working_set, file, filename.str);
working_set_add(system, working_set, file, general);
init_normal_file(system, models, file,
buffer, loading.size);
}
}
end_temp_memory(temp);
}
}
if (file){
if (view){
view_set_file(view, file, models);
}
}
}
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internal void
kill_file(System_Functions *system, Models *models,
Editing_File *file, String string){
Working_Set *working_set = &models->working_set;
if (!file && string.str){
file = working_set_lookup_file(working_set, string);
if (!file){
file = working_set_contains(system, working_set, string);
}
}
if (file && !file->settings.never_kill){
working_set_remove(system, working_set, file->name.source_path);
file_close(system, &models->mem.general, file);
working_set_free_file(&models->working_set, file);
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(iter.view, (Editing_File*)node, models);
node = node->next;
}
else{
iter.view->file_data.file = 0;
view_set_file(iter.view, 0, models);
}
}
}
}
internal void
interactive_view_complete(System_Functions *system, View *view, String dest, i32 user_action){
Models *models = view->persistent.models;
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Editing_File *old_file = view->file_data.file;
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switch (view->action){
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case IAct_Open:
view_open_file(system, models, view, dest);
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touch_file(&models->working_set, old_file);
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break;
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case IAct_Save_As:
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view_save_file(system, models, 0, view, dest, 1);
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break;
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case IAct_New:
// TODO(allen): The !char_is_slash part confuses me... let's investigate this soon.
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if (dest.size > 0 &&
!char_is_slash(models->hot_directory.string.str[dest.size-1])){
view_new_file(system, models, view, dest);
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}break;
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case IAct_Switch:
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{
touch_file(&models->working_set, old_file);
Editing_File *file = 0;
String string = dest;
file = working_set_lookup_file(&models->working_set, string);
if (!file){
file = working_set_contains(system, &models->working_set, string);
}
if (file){
view_set_file(view, file, models);
}
}
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break;
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case IAct_Kill:
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delayed_try_kill(&models->delay1, dest);
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break;
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case IAct_Sure_To_Close:
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switch (user_action){
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case 0:
delayed_close(&models->delay1);
break;
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case 1:
break;
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case 2:
// TODO(allen): Save all.
break;
}
break;
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case IAct_Sure_To_Kill:
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switch (user_action){
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case 0:
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kill_file(system, models, 0, dest);
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break;
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case 1:
break;
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case 2:
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view_save_file(system, models, 0, 0, dest, 0);
kill_file(system, models, 0, dest);;
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break;
}
break;
}
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view_show_file(view);
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}
#if 0
internal void
update_highlighting(View *view){
View *file_view = view->hot_file_view;
if (!file_view){
view->highlight = {};
return;
}
Editing_File *file = file_view->file;
if (!file || !file_is_ready(file)){
view->highlight = {};
return;
}
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);
if (c == '\r'){
view->highlight.ids[0] =
raw_ptr_dif(&style->main.special_character_color, style);
}
else if (file->state.tokens_complete){
Cpp_Token_Stack *tokens = &file->state.token_stack;
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);
}
}
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;
}
}
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;
i16 font_id;
};
internal void
intbar_draw_string(Render_Target *target, File_Bar *bar, String str, u32 char_color){
i16 font_id = bar->font_id;
draw_string(target, 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(target, font_id, str);
}
internal void
view_reinit_scrolling(View *view){
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Editing_File *file = view->file_data.file;
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f32 w, h;
f32 cursor_x, cursor_y;
f32 target_x, target_y;
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view->reinit_scrolling = 0;
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target_x = 0;
target_y = 0;
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if (file && file_is_ready(file)){
cursor_x = view_get_cursor_x(view);
cursor_y = view_get_cursor_y(view);
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w = view_file_width(view);
h = view_file_height(view);
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if (cursor_x >= target_x + w){
target_x = (f32)(cursor_x - w*.5f);
}
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target_y = (f32)FLOOR32(cursor_y - h*.5f);
if (target_y < view->recent->scroll.min_y){
target_y = view->recent->scroll.min_y;
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}
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}
view->recent->scroll.target_y = target_y;
view->recent->scroll.scroll_y = target_y;
view->recent->scroll.prev_target_y = -1000.f;
view->recent->scroll.target_x = target_x;
view->recent->scroll.scroll_x = target_x;
view->recent->scroll.prev_target_x = -1000.f;
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}
enum CursorScroll_State{
CursorScroll_NoChange = 0x0,
CursorScroll_Cursor = 0x1,
CursorScroll_Scroll = 0x2,
CursorScroll_ContextChange = 0x4
};
internal u32
view_get_cursor_scroll_change_state(View *view){
u32 result = 0;
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i32 pos = 0;
Scroll_Context context = {0};
if (view->gui_target.did_file){
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pos = view_get_cursor_pos(view);
if ((view->prev_cursor_pos != pos)){
result |= CursorScroll_Cursor;
}
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}
if (view->current_scroll){
if (!gui_scroll_eq(view->current_scroll, &view->gui_target.scroll_original)){
result |= CursorScroll_Scroll;
}
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}
if (context.mode == VUI_None){
context.file = view->file_data.file;
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}
else{
context.file = view->prev_context.file;
}
context.scroll = view->gui_target.scroll_id;
context.mode = view->showing_ui;
if (!context_eq(view->prev_context, context)){
result |= CursorScroll_ContextChange;
}
return(result);
}
internal void
view_begin_cursor_scroll_updates(View *view){
if (view->file_data.file && view->file_data.file == view->prev_context.file){
Assert(view->prev_cursor_pos == view_get_cursor_pos(view));
}
view->prev_context.file = view->file_data.file;
view->prev_context.scroll = view->gui_target.scroll_id;
view->prev_context.mode = view->showing_ui;
}
internal void
view_end_cursor_scroll_updates(View *view){
i32 cursor_scroll_state =
view_get_cursor_scroll_change_state(view);
switch (cursor_scroll_state){
case CursorScroll_NoChange:break;
case CursorScroll_Cursor:
case CursorScroll_Cursor|CursorScroll_Scroll:
view_move_view_to_cursor(view, view->current_scroll);
gui_post_scroll_vars(&view->gui_target, view->current_scroll, view->scroll_region);
break;
case CursorScroll_Scroll:
view_move_cursor_to_view(view);
gui_post_scroll_vars(&view->gui_target, view->current_scroll, view->scroll_region);
break;
}
if (cursor_scroll_state & CursorScroll_ContextChange){
view->current_scroll->scroll_y = view->current_scroll->target_y;
view->current_scroll->scroll_x = view->current_scroll->target_x;
gui_post_scroll_vars(&view->gui_target, view->current_scroll, view->scroll_region);
}
if (view->gui_target.did_file){
view->prev_cursor_pos = view_get_cursor_pos(view);
}
}
internal b32
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file_step(View *view, i32_Rect region, Input_Summary *user_input, b32 is_active){
i32 is_animating = 0;
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Editing_File *file = view->file_data.file;
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if (file && !file->state.is_loading){
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f32 max_visible_y = view_file_height(view);
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f32 max_x = view_file_width(view);
GUI_Scroll_Vars scroll_vars = *view->current_scroll;
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if (file->state.paste_effect.tick_down > 0){
--file->state.paste_effect.tick_down;
is_animating = 1;
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}
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if (user_input->mouse.press_l && is_active){
f32 rx = (f32)(user_input->mouse.x - region.x0);
f32 ry = (f32)(user_input->mouse.y - region.y0);
if (ry >= -view->recent->scroll.min_y){
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view_set_widget(view, FWIDG_NONE);
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if (rx >= 0 && rx < max_x && ry >= 0 && ry < max_visible_y){
view_cursor_move(view, rx + scroll_vars.scroll_x, ry + scroll_vars.scroll_y, 1);
view->mode = view_mode_zero();
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}
}
}
if (!is_active) view_set_widget(view, FWIDG_NONE);
}
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return(is_animating);
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}
internal void
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do_widget(View *view, GUI_Target *target){
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Query_Slot *slot;
Query_Bar *bar;
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gui_begin_serial_section(target);
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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);
}
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2016-03-31 04:05:47 +00:00
gui_end_serial_section(target);
}
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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;
get_front_of_directory(&loop->front_name, hdir->string);
get_absolutes(loop->front_name, &loop->absolutes, 1, 1);
get_path_of_directory(&loop->full_path, hdir->string);
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){
persist String message_loaded = make_lit_string(" LOADED");
persist String message_unsaved = make_lit_string(" LOADED *");
persist String message_unsynced = make_lit_string(" LOADED !");
Exhaustive_File_Info result = {0};
Editing_File *file = 0;
result.info = loop->infos + i;
loop->full_path.size = loop->r;
append(&loop->full_path, result.info->filename);
terminate_with_null(&loop->full_path);
file = working_set_contains(system, working_set, loop->full_path);
result.is_folder = (result.info->folder != 0);
result.name_match = (filename_match(loop->front_name, &loop->absolutes, result.info->filename, 0) != 0);
result.is_loaded = (file != 0 && file_is_ready(file));
result.message = string_zero();
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if (result.is_loaded){
switch (buffer_get_sync(file)){
case SYNC_GOOD: result.message = message_loaded; break;
case SYNC_BEHIND_OS: result.message = message_unsynced; break;
case SYNC_UNSAVED: result.message = message_unsaved; break;
}
}
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return(result);
}
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struct Style_Color_Edit{
Style_Tag target;
Style_Tag fore;
Style_Tag back;
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String text;
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};
static Style_Color_Edit colors_to_edit[] = {
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{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")},
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{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")},
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{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")},
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{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")},
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{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")},
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{Stag_Paste, Stag_Paste, Stag_Back, make_lit_string("Paste Color")},
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{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")},
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};
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struct Single_Line_Input_Step{
b8 hit_newline;
b8 hit_ctrl_newline;
b8 hit_a_character;
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b8 hit_backspace;
b8 hit_esc;
b8 made_a_change;
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b8 did_command;
b8 no_file_match;
};
enum Single_Line_Input_Type{
SINGLE_LINE_STRING,
SINGLE_LINE_FILE
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};
struct Single_Line_Mode{
Single_Line_Input_Type type;
String *string;
Hot_Directory *hot_directory;
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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){
Single_Line_Input_Step result = {0};
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;
case SINGLE_LINE_FILE:
{
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, working_set);
}
else{
mode.string->str[mode.string->size] = 0;
}
}break;
}
}
}
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;
}
else if (key.character){
result.hit_a_character = 1;
if (!key.modifiers[MDFR_CONTROL_INDEX] &&
!key.modifiers[MDFR_ALT_INDEX]){
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, working_set);
}
result.made_a_change = 1;
}
}
else{
result.did_command = 1;
result.made_a_change = 1;
}
}
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);
}
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,
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b32 fast_folder_select, b32 try_to_match, b32 case_sensitive){
Single_Line_Mode mode = {};
mode.type = SINGLE_LINE_FILE;
mode.string = string;
mode.hot_directory = hot_directory;
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mode.fast_folder_select = fast_folder_select;
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;
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;
}
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internal b32
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step_file_view(System_Functions *system, View *view, View *active_view, Input_Summary input){
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GUI_Target *target = &view->gui_target;
Models *models = view->persistent.models;
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Key_Summary keys = input.keys;
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b32 show_scrollbar = !view->hide_scrollbar;
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view->current_scroll = 0;
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gui_begin_top_level(target, input);
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{
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gui_do_top_bar(target);
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if (view->showing_ui == VUI_None){
gui_begin_overlap(target);
{
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do_widget(view, target);
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gui_begin_serial_section(target);
{
f32 delta = 9.f * view->font_height;
GUI_id scroll_context = {0};
scroll_context.id[1] = view->showing_ui;
scroll_context.id[0] = (u64)(view->file_data.file);
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view->current_scroll = &view->recent->scroll;
gui_get_scroll_vars(target, scroll_context,
&view->recent->scroll, &view->scroll_region);
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gui_begin_scrollable(target, scroll_context, view->recent->scroll,
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delta, show_scrollbar);
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gui_do_file(target);
gui_end_scrollable(target);
}
gui_end_serial_section(target);
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}
gui_end_overlap(target);
}
else{
do_widget(view, target);
switch (view->showing_ui){
case VUI_Menu:
{
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view->current_scroll = &view->gui_scroll;
String message = make_lit_string("Menu");
String empty_string = {0};
GUI_id id = {0};
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id.id[1] = VUI_Menu;
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gui_do_text_field(target, message, empty_string);
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id.id[0] = 0;
message = make_lit_string("Theme");
if (gui_do_fixed_option(target, id, message, 0)){
view_show_theme(view, view->map);
}
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id.id[0] = 1;
message = make_lit_string("Config");
if (gui_do_fixed_option(target, id, message, 0)){
view_show_config(view, view->map);
}
}break;
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case VUI_Config:
{
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view->current_scroll = &view->gui_scroll;
String message = make_lit_string("Config");
String empty_string = {0};
GUI_id id = {0};
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id.id[1] = VUI_Config;
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gui_do_text_field(target, message, empty_string);
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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;
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case VUI_Theme:
{
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view->current_scroll = &view->gui_scroll;
if (view != active_view){
view->hot_file_view = active_view;
}
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String message = {0};
String empty_string = {0};
GUI_id id = {0};
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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);
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id.id[0] = (u64)(main_style(models));
if (gui_do_style_preview(target, id, 0)){
view->color_mode = CV_Mode_Adjusting;
}
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message = make_lit_string("Set Font");
id.id[0] = (u64)(&models->global_font);
if (gui_do_button(target, id, message)){
view->color_mode = CV_Mode_Font;
}
message = make_lit_string("Theme Library - Click to Select");
gui_do_text_field(target, message, empty_string);
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view->current_scroll = &view->gui_scroll;
gui_get_scroll_vars(target, scroll_context, &view->gui_scroll, &view->scroll_region);
gui_begin_scrollable(target, scroll_context, view->gui_scroll,
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9.f * view->font_height, show_scrollbar);
{
i32 count = models->styles.count;
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Style *style;
i32 i;
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for (i = 1; i < count; ++i, ++style){
style = get_style(models, i);
id.id[0] = (u64)(style);
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if (gui_do_style_preview(target, id, i)){
style_copy(main_style(models), style);
}
}
}
gui_end_scrollable(target);
break;
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case CV_Mode_Font:
{
Font_Set *font_set = models->font_set;
Font_Info *info = 0;
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i16 i = 1, count = (i16)models->font_set->count + 1;
i16 font_id = 0, new_font_id = 0;
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String message = make_lit_string("Back");
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id.id[0] = 0;
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if (gui_do_button(target, id, message)){
view->color_mode = CV_Mode_Library;
}
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font_id = models->global_font.font_id;
new_font_id = font_id;
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for (i = 1; i < count; ++i){
info = get_font_info(font_set, i);
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id.id[0] = (u64)i;
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if (i != font_id){
if (gui_do_font_button(target, id, i, info->name)){
new_font_id = i;
}
}
else{
char message_space[256];
message = make_fixed_width_string(message_space);
copy(&message, make_lit_string("currently selected: "));
append(&message, info->name);
gui_do_font_button(target, id, i, message);
}
}
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models->global_font.font_id = (i16)(new_font_id);
}break;
case CV_Mode_Adjusting:
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{
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Style *style = main_style(models);
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u32 *edit_color = 0;
u32 *fore = 0, *back = 0;
i32 i = 0;
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String message = make_lit_string("Back");
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id.id[0] = 0;
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if (gui_do_button(target, id, message)){
view->color_mode = CV_Mode_Library;
}
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view->current_scroll = &view->gui_scroll;
gui_get_scroll_vars(target, scroll_context, &view->gui_scroll, &view->scroll_region);
gui_begin_scrollable(target, scroll_context, view->gui_scroll,
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9.f * view->font_height, show_scrollbar);
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i32 next_color_editing = view->current_color_editing;
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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);
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fore = style_index_by_tag(&style->main, colors_to_edit[i].fore);
back = style_index_by_tag(&style->main, colors_to_edit[i].back);
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if (gui_do_color_button(target, id, *fore, *back, colors_to_edit[i].text)){
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next_color_editing = i;
view->color_cursor = 0;
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}
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if (view->current_color_editing == i){
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GUI_Item_Update update = {0};
char text_space[7];
String text = make_fixed_width_string(text_space);
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color_to_hexstr(*edit_color, &text);
if (gui_do_text_with_cursor(target, view->color_cursor, text, &update)){
b32 r = 0;
i32 j = 0;
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for (j = 0; j < keys.count; ++j){
i16 key = keys.keys[j].keycode;
switch (key){
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case key_left: --view->color_cursor; r = 1; break;
case key_right: ++view->color_cursor; r = 1; break;
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case key_up:
if (next_color_editing > 0){
--next_color_editing;
}
break;
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case key_down:
if (next_color_editing <= ArrayCount(colors_to_edit)-1){
++next_color_editing;
}
break;
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default:
if ((key >= '0' && key <= '9') || (key >= 'a' && key <= 'f') || (key >= 'A' && key <= 'F')){
text.str[view->color_cursor] = (char)key;
r = 1;
}
break;
}
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if (view->color_cursor < 0) view->color_cursor = 0;
if (view->color_cursor >= 6) view->color_cursor = 5;
}
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if (r){
hexstr_to_color(text, edit_color);
gui_rollback(target, &update);
gui_do_text_with_cursor(target, view->color_cursor, text, 0);
}
}
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}
}
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if (view->current_color_editing != next_color_editing){
view->current_color_editing = next_color_editing;
view->color_cursor = 0;
}
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gui_end_scrollable(target);
}break;
}
}break;
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case VUI_Interactive:
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{
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view->current_scroll = &view->gui_scroll;
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GUI_id id = {0};
id.id[1] = VUI_Interactive + ((u64)view->interaction << 32);
GUI_id scroll_context = {0};
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scroll_context.id[1] = VUI_Interactive + ((u64)view->interaction << 32);
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switch (view->interaction){
case IInt_Sys_File_List:
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{
b32 use_item_in_list = 1;
b32 activate_directly = 0;
if (view->action == IAct_Save_As || view->action == IAct_New){
use_item_in_list = 0;
}
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String message = {0};
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;
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}
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Exhaustive_File_Loop loop;
Exhaustive_File_Info file_info;
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GUI_Item_Update update = {0};
Hot_Directory *hdir = &models->hot_directory;
b32 do_new_directory = 0;
b32 snap_into_view = 0;
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i32 i = 0;
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{
Single_Line_Input_Step step = {0};
Key_Event_Data key = {0};
i32 i;
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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, 1, 0);
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if (step.made_a_change){
view->list_i = 0;
}
if (!use_item_in_list && (key.keycode == '\n' || key.keycode == '\t')){
activate_directly = 1;
}
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}
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}
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gui_do_text_field(target, message, hdir->string);
scroll_context.id[0] = (u64)(hdir);
if (gui_get_scroll_vars(target, scroll_context,
&view->gui_scroll, &view->scroll_region)){
snap_into_view = 1;
}
gui_begin_scrollable(target, scroll_context, view->gui_scroll,
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9.f * view->font_height, show_scrollbar);
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id.id[0] = (u64)(hdir) + 1;
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if (gui_begin_list(target, id, view->list_i, 0,
snap_into_view, &update)){
gui_standard_list(target, id, view->current_scroll, view->scroll_region,
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&keys, &view->list_i, &update);
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}
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{
begin_exhaustive_loop(&loop, hdir);
for (i = 0; i < loop.count; ++i){
file_info = get_exhaustive_info(system, &models->working_set, &loop, i);
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if (file_info.name_match){
id.id[0] = (u64)(file_info.info);
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if (gui_do_file_option(target, id, file_info.info->filename,
file_info.is_folder, file_info.message)){
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if (file_info.is_folder){
set_last_folder(&hdir->string, file_info.info->filename, '/');
do_new_directory = 1;
}
else if (use_item_in_list){
interactive_view_complete(system, view, loop.full_path, 0);
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}
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}
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}
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}
}
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gui_end_list(target);
if (activate_directly){
interactive_view_complete(system, view, hdir->string, 0);
}
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if (do_new_directory){
hot_directory_reload(system, hdir, &models->working_set);
}
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gui_end_scrollable(target);
}break;
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case IInt_Live_File_List:
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{
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b32 snap_into_view = 0;
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persist String message_unsaved = make_lit_string(" *");
persist String message_unsynced = make_lit_string(" !");
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String message = {0};
switch (view->action){
case IAct_Switch: message = make_lit_string("Switch: "); break;
case IAct_Kill: message = make_lit_string("Kill: "); break;
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}
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Absolutes absolutes;
Editing_File *file;
Working_Set *working_set = &models->working_set;
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Editing_Layout *layout = &models->layout;
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GUI_Item_Update update = {0};
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{
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;
}
}
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}
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get_absolutes(view->dest, &absolutes, 1, 1);
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gui_do_text_field(target, message, view->dest);
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scroll_context.id[0] = (u64)(working_set);
if (gui_get_scroll_vars(target, scroll_context,
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&view->gui_scroll, &view->scroll_region)){
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snap_into_view = 1;
}
gui_begin_scrollable(target, scroll_context, view->gui_scroll,
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9.f * view->font_height, show_scrollbar);
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id.id[0] = (u64)(working_set) + 1;
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if (gui_begin_list(target, id, view->list_i,
0, snap_into_view, &update)){
gui_standard_list(target, id, view->current_scroll, view->scroll_region,
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&keys, &view->list_i, &update);
2016-05-05 17:44:14 +00:00
}
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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;
View_Iter iter = {0};
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partition_align(part, sizeof(i32));
reserved_files = (Editing_File**)partition_current(part);
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used_nodes = &working_set->used_sentinel;
for (dll_items(node, used_nodes)){
file = (Editing_File*)node;
Assert(!file->state.is_dummy);
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if (filename_match(view->dest, &absolutes, file->name.live_name, 1)){
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 = string_zero();
switch (buffer_get_sync(file)){
case SYNC_BEHIND_OS: message = message_unsynced; break;
case SYNC_UNSAVED: message = message_unsaved; break;
}
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id.id[0] = (u64)(file);
if (gui_do_file_option(target, id, file->name.live_name, 0, message)){
interactive_view_complete(system, view, file->name.live_name, 0);
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}
}
}
}
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}
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for (i = 0; i < reserved_top; ++i){
file = reserved_files[i];
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message = string_zero();
switch (buffer_get_sync(file)){
case SYNC_BEHIND_OS: message = message_unsynced; break;
case SYNC_UNSAVED: message = message_unsaved; break;
}
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id.id[0] = (u64)(file);
if (gui_do_file_option(target, id, file->name.live_name, 0, message)){
interactive_view_complete(system, view, file->name.live_name, 0);
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}
}
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end_temp_memory(temp);
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}
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gui_end_list(target);
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gui_end_scrollable(target);
}break;
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case IInt_Sure_To_Close:
{
i32 action = -1;
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String empty_str = {0};
String message = make_lit_string("There is one or more files unsaved changes, close anyway?");
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gui_do_text_field(target, message, empty_str);
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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){
interactive_view_complete(system, view, view->dest, action);
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}
}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){
interactive_view_complete(system, view, view->dest, action);
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}
}break;
}
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}break;
}
}
}
gui_end_top_level(target);
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return(target->animating);
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}
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internal f32
view_get_scroll_y(View *view){
f32 v;
if (view->showing_ui == VUI_None){
v = view->recent->scroll.scroll_y;
}
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else{
v = view->gui_scroll.scroll_y;
}
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return(v);
}
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internal void
click_button_input(GUI_Target *target, GUI_Session *session, Input_Summary *user_input,
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GUI_Interactive *b, b32 *is_animating){
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i32 mx = user_input->mouse.x;
i32 my = user_input->mouse.y;
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;
}
if (user_input->mouse.release_l && gui_id_eq(target->mouse_hot, b->id)){
target->active = b->id;
target->mouse_hot = gui_id_zero();
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*is_animating = 1;
}
}
else if (gui_id_eq(target->hover, b->id)){
target->hover = gui_id_zero();
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}
}
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internal b32
scroll_button_input(GUI_Target *target, GUI_Session *session, Input_Summary *user_input,
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GUI_id id, b32 *is_animating){
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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();
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}
return(result);
}
struct Input_Process_Result{
GUI_Scroll_Vars vars;
i32_Rect region;
b32 is_animating;
};
internal Input_Process_Result
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do_input_file_view(System_Functions *system, Exchange *exchange,
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View *view, i32_Rect rect, b32 is_active,
Input_Summary *user_input,
GUI_Scroll_Vars vars, i32_Rect region){
Input_Process_Result result = {0};
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b32 is_file_scroll = 0;
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GUI_Session gui_session = {0};
GUI_Header *h = 0;
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GUI_Target *target = &view->gui_target;
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GUI_Interpret_Result interpret_result = {0};
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result.vars = vars;
result.region = region;
target->active = gui_id_zero();
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if (target->push.pos > 0){
gui_session_init(&gui_session, target, rect, view->font_height);
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for (h = (GUI_Header*)target->push.base;
h->type;
h = NextHeader(h)){
interpret_result = gui_interpret(target, &gui_session, h,
result.vars, result.region);
if (interpret_result.has_region){
result.region = interpret_result.region;
}
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switch (h->type){
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case guicom_file_option:
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case guicom_fixed_option:
case guicom_fixed_option_checkbox:
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{
GUI_Interactive *b = (GUI_Interactive*)h;
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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;
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}
}
}break;
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}
if (interpret_result.has_info){
switch (h->type){
case guicom_top_bar: break;
case guicom_file:
{
f32 new_min_y = -(f32)(gui_session_get_eclipsed_y(&gui_session) -
gui_session.rect.y0);
f32 new_max_y = view_compute_max_target_y(view);
view->file_region = gui_session.rect;
result.vars.min_y = new_min_y;
result.vars.max_y = new_max_y;
if (view->reinit_scrolling){
view_reinit_scrolling(view);
result.is_animating = 1;
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}
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if (file_step(view, gui_session.rect, user_input, is_active)){
result.is_animating = 1;
}
is_file_scroll = 1;
}break;
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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;
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click_button_input(target, &gui_session, user_input, b, &result.is_animating);
}break;
case guicom_fixed_option:
case guicom_fixed_option_checkbox:
{
GUI_Interactive *b = (GUI_Interactive*)h;
click_button_input(target, &gui_session, user_input, b, &result.is_animating);
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{
Key_Event_Data key;
Key_Summary *keys = &user_input->keys;
void *ptr = (b + 1);
String string;
char activation_key;
i32 i, count;
string = gui_read_string(&ptr);
activation_key = *(char*)ptr;
count = keys->count;
for (i = 0; i < count; ++i){
key = get_single_key(keys, i);
if (char_to_upper(key.character) == char_to_upper(activation_key)){
target->active = b->id;
result.is_animating = 1;
break;
}
}
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}
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}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;
}
}
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);
if (v < 0) v = 0;
if (v > 1.f) v = 1.f;
result.vars.target_y =
lerp(result.vars.min_y, v, result.vars.max_y);
gui_activate_scrolling(target);
result.is_animating = 1;
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}
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}
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// NOTE(allen): NO BREAK HERE!!
2016-05-09 16:20:39 +00:00
2016-05-27 17:11:38 +00:00
case guicom_scrollable_invisible:
{
if (user_input->mouse.wheel != 0){
result.vars.target_y += user_input->mouse.wheel*target->delta;
if (result.vars.target_y < result.vars.min_y){
result.vars.target_y = result.vars.min_y;
}
if (result.vars.target_y > result.vars.max_y){
result.vars.target_y = result.vars.max_y;
}
gui_activate_scrolling(target);
result.is_animating = 1;
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}
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}break;
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2016-05-27 17:11:38 +00:00
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 -= target->delta * 0.25f;
if (result.vars.target_y < result.vars.min_y){
result.vars.target_y = result.vars.min_y;
}
2016-03-31 04:05:47 +00:00
}
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}break;
case guicom_scrollable_bottom:
{
GUI_id id = gui_id_scrollbar_bottom();
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if (scroll_button_input(target, &gui_session, user_input, id, &result.is_animating)){
result.vars.target_y += target->delta * 0.25f;
if (result.vars.target_y > result.vars.max_y){
result.vars.target_y = result.vars.max_y;
}
}
}break;
case guicom_end_scrollable_section:
{
if (!is_file_scroll){
f32 new_min_y = gui_session.suggested_min_y;
f32 new_max_y = gui_session.suggested_max_y;
result.vars.min_y = new_min_y;
result.vars.max_y = new_max_y;
}
}break;
}
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}
}
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if (!user_input->mouse.l){
if (!gui_id_is_null(target->mouse_hot)){
target->mouse_hot = gui_id_zero();
result.is_animating = 1;
}
}
2016-04-04 03:47:24 +00:00
2016-05-27 17:11:38 +00:00
{
GUI_Scroll_Vars scroll_vars = result.vars;
b32 is_new_target = 0;
if (scroll_vars.target_x != scroll_vars.prev_target_x) is_new_target = 1;
if (scroll_vars.target_y != scroll_vars.prev_target_y) is_new_target = 1;
if (view->persistent.models->scroll_rule(scroll_vars.target_x, scroll_vars.target_y,
&scroll_vars.scroll_x, &scroll_vars.scroll_y,
(view->persistent.id) + 1, is_new_target)){
result.is_animating = 1;
}
2016-05-27 17:11:38 +00:00
scroll_vars.prev_target_x = scroll_vars.target_x;
scroll_vars.prev_target_y = scroll_vars.target_y;
result.vars = scroll_vars;
2016-03-26 23:13:58 +00:00
}
2016-04-04 03:47:24 +00:00
2016-05-27 17:11:38 +00:00
// TODO(allen): GET RID OF THIS!!!
{
Key_Summary *keys = &user_input->keys;
b32 did_esc = 0;
Key_Event_Data key;
i32 i, count;
count = keys->count;
for (i = 0; i < count; ++i){
key = get_single_key(keys, i);
if (key.keycode == key_esc){
did_esc = 1;
break;
}
}
if (did_esc && view->showing_ui != VUI_None){
view_show_file(view);
}
}
}
2016-04-04 03:47:24 +00:00
return(result);
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}
internal i32
draw_file_loaded(View *view, i32_Rect rect, b32 is_active, Render_Target *target){
Models *models = view->persistent.models;
2016-05-04 23:21:30 +00:00
Editing_File *file = view->file_data.file;
2016-05-06 15:34:08 +00:00
Style *style = main_style(models);
2016-03-26 23:13:58 +00:00
i32 line_height = view->font_height;
i32 max_x = rect.x1 - rect.x0;
i32 max_y = rect.y1 - rect.y0 + line_height;
Assert(file && !file->state.is_dummy && buffer_good(&file->state.buffer));
b32 tokens_use = 0;
Cpp_Token_Stack token_stack = {};
if (file){
tokens_use = file->state.tokens_complete && (file->state.token_stack.count > 0);
token_stack = file->state.token_stack;
}
Partition *part = &models->mem.part;
Temp_Memory temp = begin_temp_memory(part);
partition_align(part, 4);
i32 max = partition_remaining(part) / sizeof(Buffer_Render_Item);
Buffer_Render_Item *items = push_array(part, Buffer_Render_Item, max);
i16 font_id = models->global_font.font_id;
Render_Font *font = get_font_info(models->font_set, font_id)->font;
float *advance_data = 0;
if (font) advance_data = font->advance_data;
i32 count;
Full_Cursor render_cursor;
Buffer_Render_Options opts = {};
2016-05-04 23:21:30 +00:00
f32 *wraps = view->file_data.line_wrap_y;
f32 scroll_x = view->recent->scroll.scroll_x;
f32 scroll_y = view->recent->scroll.scroll_y;
2016-03-26 23:13:58 +00:00
{
render_cursor = buffer_get_start_cursor(&file->state.buffer, wraps, scroll_y,
2016-05-04 23:21:30 +00:00
!view->file_data.unwrapped_lines, (f32)max_x, advance_data, (f32)line_height);
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view->recent->scroll_i = render_cursor.pos;
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buffer_get_render_data(&file->state.buffer, items, max, &count,
(f32)rect.x0, (f32)rect.y0,
scroll_x, scroll_y, render_cursor,
2016-05-04 23:21:30 +00:00
!view->file_data.unwrapped_lines,
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(f32)max_x, (f32)max_y,
advance_data, (f32)line_height,
opts);
}
Assert(count > 0);
i32 cursor_begin, cursor_end;
u32 cursor_color, at_cursor_color;
2016-05-04 23:21:30 +00:00
if (view->file_data.show_temp_highlight){
cursor_begin = view->file_data.temp_highlight.pos;
cursor_end = view->file_data.temp_highlight_end_pos;
2016-03-26 23:13:58 +00:00
cursor_color = style->main.highlight_color;
at_cursor_color = style->main.at_highlight_color;
}
else{
cursor_begin = view->recent->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;
u32 main_color = style->main.default_color;
u32 special_color = style->main.special_character_color;
if (tokens_use){
Cpp_Get_Token_Result result = cpp_get_token(&token_stack, items->index);
main_color = *style_get_color(style, token_stack.tokens[result.token_index]);
token_i = result.token_index + 1;
}
u32 mark_color = style->main.mark_color;
Buffer_Render_Item *item = items;
i32 prev_ind = -1;
u32 highlight_color = 0;
u32 highlight_this_color = 0;
for (i32 i = 0; i < count; ++i, ++item){
i32 ind = item->index;
highlight_this_color = 0;
if (tokens_use && ind != prev_ind){
Cpp_Token current_token = token_stack.tokens[token_i-1];
if (token_i < token_stack.count){
if (ind >= token_stack.tokens[token_i].start){
main_color =
*style_get_color(style, token_stack.tokens[token_i]);
current_token = token_stack.tokens[token_i];
++token_i;
}
else if (ind >= current_token.start + current_token.size){
main_color = 0xFFFFFFFF;
}
}
if (current_token.type == CPP_TOKEN_JUNK &&
i >= current_token.start && i < current_token.start + current_token.size){
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;
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 &&
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char_is_whitespace((char)item->glyphid)){
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{
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if (!view->file_data.show_temp_highlight){
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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.tick_down > 0 &&
file->state.paste_effect.start <= ind &&
ind < file->state.paste_effect.end){
fade_color = file->state.paste_effect.color;
fade_amount = (f32)(file->state.paste_effect.tick_down) / file->state.paste_effect.tick_max;
}
char_color = color_blend(char_color, fade_amount, fade_color);
if (ind == view->recent->mark && prev_ind != ind){
2016-03-26 23:13:58 +00:00
draw_rectangle_outline(target, char_rect, mark_color);
}
if (item->glyphid != 0){
font_draw_glyph(target, font_id, (u8)item->glyphid,
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item->x0, item->y0, char_color);
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}
prev_ind = ind;
}
end_temp_memory(temp);
return(0);
}
internal void
2016-04-30 02:46:13 +00:00
draw_text_field(Render_Target *target, View *view, i32_Rect rect, String p, String t){
Models *models = view->persistent.models;
2016-05-06 15:34:08 +00:00
Style *style = main_style(models);
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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;
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i32 y = rect.y0 + 2;
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i16 font_id = models->global_font.font_id;
if (target){
draw_rectangle(target, rect, back_color);
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x = CEIL32(draw_string(target, font_id, p, x, y, text2_color));
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draw_string(target, font_id, t, x, y, text1_color);
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}
}
internal void
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draw_text_with_cursor(Render_Target *target, View *view, i32_Rect rect, String s, i32 pos){
Models *models = view->persistent.models;
2016-05-06 15:34:08 +00:00
Style *style = main_style(models);
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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;
i16 font_id = models->global_font.font_id;
if (target){
draw_rectangle(target, rect, back_color);
if (pos >= 0 && pos < s.size){
String part1, part2, part3;
i32_Rect cursor_rect;
Render_Font *font = get_font_info(models->font_set, font_id)->font;
part1 = substr(s, 0, pos);
part2 = substr(s, pos, 1);
part3 = substr(s, pos+1, s.size-pos-1);
x = draw_string(target, font_id, part1, FLOOR32(x), y, text_color);
cursor_rect.x0 = FLOOR32(x);
cursor_rect.x1 = FLOOR32(x) + CEIL32(font->advance_data[s.str[pos]]);
cursor_rect.y0 = y;
cursor_rect.y1 = y + view->font_height;
draw_rectangle(target, cursor_rect, cursor_color);
x = draw_string(target, font_id, part2, FLOOR32(x), y, at_cursor_color);
draw_string(target, font_id, part3, FLOOR32(x), y, text_color);
}
else{
draw_string(target, font_id, s, FLOOR32(x), y, text_color);
}
}
}
internal void
draw_file_bar(Render_Target *target, View *view, Editing_File *file, i32_Rect rect){
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File_Bar bar;
Models *models = view->persistent.models;
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Style_Font *font = &models->global_font;
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Style *style = main_style(models);
Interactive_Style bar_style = style->main.file_info_style;
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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 = font->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);
if (!file){
intbar_draw_string(target, &bar, make_lit_string("*NULL*"), base_color);
}
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else{
intbar_draw_string(target, &bar, file->name.live_name, base_color);
intbar_draw_string(target, &bar, make_lit_string(" -"), base_color);
if (file->state.is_loading){
intbar_draw_string(target, &bar, make_lit_string(" loading"), base_color);
}
else{
char line_number_space[30];
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String line_number = make_fixed_width_string(line_number_space);
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append(&line_number, " L#");
append_int_to_str(view->recent->cursor.line, &line_number);
append(&line_number, " C#");
append_int_to_str(view->recent->cursor.character, &line_number);
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intbar_draw_string(target, &bar, line_number, base_color);
intbar_draw_string(target, &bar, make_lit_string(" -"), base_color);
if (file->settings.dos_write_mode){
intbar_draw_string(target, &bar, make_lit_string(" dos"), base_color);
}
else{
intbar_draw_string(target, &bar, make_lit_string(" nix"), base_color);
}
if (file->state.still_lexing){
intbar_draw_string(target, &bar, make_lit_string(" parsing"), pop1_color);
}
if (!file->settings.unimportant){
switch (buffer_get_sync(file)){
case SYNC_BEHIND_OS:
{
persist String out_of_sync = make_lit_string(" !");
intbar_draw_string(target, &bar, out_of_sync, pop2_color);
}break;
case SYNC_UNSAVED:
{
persist String out_of_sync = make_lit_string(" *");
intbar_draw_string(target, &bar, out_of_sync, pop2_color);
}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);
}
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internal void
draw_color_button(GUI_Target *gui_target, Render_Target *target, View *view,
i32_Rect rect, GUI_id id, u32 fore, u32 back, String text){
Models *models = view->persistent.models;
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i32 active_level = gui_active_level(gui_target, id);
i16 font_id = models->global_font.font_id;
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if (active_level > 0){
Swap(u32, back, fore);
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}
draw_rectangle(target, rect, back);
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draw_string(target, font_id, text, rect.x0, rect.y0 + 1, fore);
}
internal void
draw_font_button(GUI_Target *gui_target, Render_Target *target, View *view,
i32_Rect rect, GUI_id id, i16 font_id, String text){
Models *models = view->persistent.models;
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Style *style = main_style(models);
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i32 active_level = gui_active_level(gui_target, id);
u32 margin = get_margin_color(active_level, style);
u32 back = style->main.back_color;
u32 text_color = style->main.default_color;
draw_rectangle(target, rect, back);
draw_rectangle_outline(target, rect, margin);
draw_string(target, font_id, text, rect.x0, rect.y0 + 1, text_color);
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}
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internal void
draw_fat_option_block(GUI_Target *gui_target, Render_Target *target, View *view, i32_Rect rect, GUI_id id,
String text, String pop, i8 checkbox = -1){
Models *models = view->persistent.models;
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Style *style = main_style(models);
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i32 active_level = gui_active_level(gui_target, id);
i16 font_id = models->global_font.font_id;
i32_Rect inner = get_inner_rect(rect, 3);
u32 margin = get_margin_color(active_level, style);
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u32 back = style->main.back_color;
u32 text_color = style->main.default_color;
u32 pop_color = style->main.special_character_color;
i32 h = view->font_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;
}
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x = CEIL32(draw_string(target, font_id, text, x, y, text_color));
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draw_string(target, font_id, pop, x, y, pop_color);
}
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internal void
draw_button(GUI_Target *gui_target, Render_Target *target, View *view, i32_Rect rect, GUI_id id, String text){
Models *models = view->persistent.models;
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Style *style = main_style(models);
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i32 active_level = gui_active_level(gui_target, id);
i16 font_id = models->global_font.font_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->font_height;
i32 y = inner.y0 + h/2 - 1;
i32 w = (i32)font_string_width(target, font_id, text);
i32 x = (inner.x1 + inner.x0 - w)/2;
draw_rectangle(target, inner, back);
draw_rectangle_outline(target, inner, margin);
draw_string(target, font_id, text, x, y, text_color);
}
internal void
draw_style_preview(GUI_Target *gui_target, Render_Target *target, View *view, i32_Rect rect, GUI_id id, Style *style){
Models *models = view->persistent.models;
i32 active_level = gui_active_level(gui_target, id);
i16 font_id = models->global_font.font_id;
Font_Info *info = get_font_info(models->font_set, font_id);
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;
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x = CEIL32(draw_string(target, font_id, style->name.str, x, y, text_color));
i32 font_x = (i32)(inner.x1 - font_string_width(target, font_id, info->name.str));
if (font_x > x + 10){
draw_string(target, font_id, info->name.str, font_x, y, text_color);
}
x = inner.x0;
y += info->height;
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x = CEIL32(draw_string(target, font_id, "if", x, y, keyword_color));
x = CEIL32(draw_string(target, font_id, "(x < ", x, y, text_color));
x = CEIL32(draw_string(target, font_id, "0", x, y, int_constant_color));
x = CEIL32(draw_string(target, font_id, ") { x = ", x, y, text_color));
x = CEIL32(draw_string(target, font_id, "0", x, y, int_constant_color));
x = CEIL32(draw_string(target, font_id, "; } ", x, y, text_color));
x = CEIL32(draw_string(target, font_id, "// comment", x, y, comment_color));
x = inner.x0;
y += info->height;
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draw_string(target, font_id, "[] () {}; * -> +-/ <>= ! && || % ^", x, y, text_color);
}
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internal i32
do_render_file_view(System_Functions *system, Exchange *exchange,
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View *view, 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;
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i32 result = 0;
GUI_Session gui_session = {0};
GUI_Header *h;
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GUI_Target *gui_target = &view->gui_target;
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GUI_Interpret_Result interpret_result = {0};
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f32 v;
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if (gui_target->push.pos > 0){
gui_session_init(&gui_session, gui_target, rect, view->font_height);
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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,
*view->current_scroll,
view->scroll_region);
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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);
}
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switch (h->type){
case guicom_top_bar:
{
draw_file_bar(target, view, file, gui_session.rect);
}break;
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case guicom_file:
{
if (view->reinit_scrolling){
view_reinit_scrolling(view);
}
if (file && file_is_ready(file)){
result = draw_file_loaded(view, gui_session.rect, is_active, target);
}
}break;
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case guicom_text_field:
{
void *ptr = (h+1);
String p = gui_read_string(&ptr);
String t = gui_read_string(&ptr);
draw_text_field(target, view, gui_session.rect, p, t);
}break;
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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(target, view, gui_session.rect, s, pos);
}break;
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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(gui_target, target, view, gui_session.rect, b->id, fore, back, t);
}break;
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case guicom_font_button:
{
GUI_Interactive *b = (GUI_Interactive*)h;
void *ptr = (b + 1);
i16 font_id = (i16)gui_read_integer(&ptr);
String t = gui_read_string(&ptr);
draw_font_button(gui_target, target, view, gui_session.rect, b->id, font_id, t);
}break;
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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(&f, system->slash);
}
draw_fat_option_block(gui_target, target, view, gui_session.rect, b->id, f, m);
}break;
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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(gui_target, target, view, gui_session.rect, b->id, style);
}break;
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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(gui_target, target, view, gui_session.rect, b->id, f, m, status);
}break;
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case guicom_button:
{
GUI_Interactive *b = (GUI_Interactive*)h;
void *ptr = (b + 1);
String t = gui_read_string(&ptr);
draw_button(gui_target, target, view, gui_session.rect, b->id, t);
}break;
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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;
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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;
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case guicom_begin_scrollable_section:
clip_rect.x1 = Min(gui_session.scroll_region.x1, clip_rect.x1);
draw_push_clip(target, clip_rect);
break;
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case guicom_end_scrollable_section:
clip_rect = draw_pop_clip(target);
break;
}
}
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}
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draw_pop_clip(target);
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}
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return(result);
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}
inline void
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file_view_free_buffers(View *view){
General_Memory *general = &view->persistent.models->mem.general;
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if (view->file_data.line_wrap_y){
general_memory_free(general, view->file_data.line_wrap_y);
view->file_data.line_wrap_y = 0;
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}
general_memory_free(general, view->gui_mem);
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view->gui_mem = 0;
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}
struct Search_Range{
Buffer_Type *buffer;
i32 start, size;
};
struct Search_Set{
Search_Range *ranges;
i32 count, max;
};
struct Search_Iter{
String word;
i32 pos;
i32 i;
};
struct Search_Match{
Buffer_Type *buffer;
i32 start, end;
b32 found_match;
};
internal void
search_iter_init(General_Memory *general, Search_Iter *iter, i32 size){
i32 str_max;
if (iter->word.str == 0){
str_max = size*2;
iter->word.str = (char*)general_memory_allocate(general, str_max, 0);
iter->word.memory_size = str_max;
}
else if (iter->word.memory_size < size){
str_max = size*2;
iter->word.str = (char*)general_memory_reallocate_nocopy(general, iter->word.str, str_max, 0);
iter->word.memory_size = str_max;
}
iter->i = 0;
iter->pos = 0;
}
internal void
search_set_init(General_Memory *general, Search_Set *set, i32 set_count){
i32 max;
if (set->ranges == 0){
max = set_count*2;
set->ranges = (Search_Range*)general_memory_allocate(general, sizeof(Search_Range)*max, 0);
set->max = max;
}
else if (set->max < set_count){
max = set_count*2;
set->ranges = (Search_Range*)general_memory_reallocate_nocopy(
general, set->ranges, sizeof(Search_Range)*max, 0);
set->max = max;
}
set->count = set_count;
}
internal void
search_hits_table_alloc(General_Memory *general, Table *hits, i32 table_size){
void *mem;
i32 mem_size;
mem_size = table_required_mem_size(table_size, sizeof(Offset_String));
if (hits->hash_array == 0){
mem = general_memory_allocate(general, mem_size, 0);
}
else{
mem = general_memory_reallocate_nocopy(general, hits->hash_array, mem_size, 0);
}
table_init_memory(hits, mem, table_size, sizeof(Offset_String));
}
internal void
search_hits_init(General_Memory *general, Table *hits, String_Space *str, i32 table_size, i32 str_size){
void *mem;
i32 mem_size;
if (hits->hash_array == 0){
search_hits_table_alloc(general, hits, table_size);
}
else if (hits->max < table_size){
mem_size = table_required_mem_size(table_size, sizeof(Offset_String));
mem = general_memory_reallocate_nocopy(general, hits->hash_array, mem_size, 0);
table_init_memory(hits, mem, table_size, sizeof(Offset_String));
}
if (str->space == 0){
str->space = (char*)general_memory_allocate(general, str_size, 0);
str->max = str_size;
}
else if (str->max < str_size){
str->space = (char*)general_memory_reallocate_nocopy(general, str->space, str_size, 0);
str->max = str_size;
}
str->pos = str->new_pos = 0;
table_clear(hits);
}
internal b32
search_hit_add(General_Memory *general, Table *hits, String_Space *space, char *str, i32 len){
b32 result;
i32 new_size;
Offset_String ostring;
Table new_hits;
Assert(len != 0);
ostring = strspace_append(space, str, len);
if (ostring.size == 0){
new_size = Max(space->max*2, space->max + len);
space->space = (char*)general_memory_reallocate(general, space->space, space->new_pos, new_size, 0);
ostring = strspace_append(space, str, len);
}
Assert(ostring.size != 0);
if (table_at_capacity(hits)){
search_hits_table_alloc(general, &new_hits, hits->max*2);
table_clear(&new_hits);
table_rehash(hits, &new_hits, space->space, tbl_offset_string_hash, tbl_offset_string_compare);
general_memory_free(general, hits->hash_array);
*hits = new_hits;
}
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if (!table_add(hits, &ostring, space->space, tbl_offset_string_hash, tbl_offset_string_compare)){
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result = 1;
strspace_keep_prev(space);
}
else{
result = 0;
strspace_discard_prev(space);
}
return(result);
}
internal Search_Match
search_next_match(Partition *part, Search_Set *set, Search_Iter *iter_){
Search_Match result = {};
Search_Iter iter = *iter_;
Search_Range *range;
Temp_Memory temp;
char *spare;
i32 start_pos, end_pos, count;
temp = begin_temp_memory(part);
spare = push_array(part, char, iter.word.size);
count = set->count;
for (; iter.i < count;){
range = set->ranges + iter.i;
end_pos = range->start + range->size;
if (iter.pos + iter.word.size < end_pos){
start_pos = Max(iter.pos, range->start);
result.start = buffer_find_string(range->buffer, start_pos, end_pos, iter.word.str, iter.word.size, spare);
if (result.start < end_pos){
iter.pos = result.start + 1;
if (result.start == 0 || !char_is_alpha_numeric(buffer_get_char(range->buffer, result.start - 1))){
result.end = buffer_seek_word_right_assume_on_word(range->buffer, result.start);
if (result.end < end_pos){
result.found_match = 1;
result.buffer = range->buffer;
iter.pos = result.end;
break;
}
}
}
else{
++iter.i, iter.pos = 0;
}
}
else{
++iter.i, iter.pos = 0;
}
}
end_temp_memory(temp);
*iter_ = iter;
return(result);
}
inline void
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view_change_size(General_Memory *general, View *view){
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if (view->file_data.file){
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view_measure_wraps(general, view);
view->recent->cursor = view_compute_cursor_from_pos(view, view->recent->cursor.pos);
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}
}
struct Live_Views{
View *views;
View free_sentinel;
i32 count, max;
};
internal View_And_ID
live_set_alloc_view(Live_Views *live_set, Panel *panel, Models *models){
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);
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dll_remove(result.view);
memset(get_view_body(result.view), 0, get_view_size());
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result.view->in_use = 1;
panel->view = result.view;
result.view->panel = panel;
result.view->persistent.models = models;
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result.view->scrub_max = 1;
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result.view->current_scroll = &result.view->recent->scroll;
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init_query_set(&result.view->query_set);
{
i32 gui_mem_size = Kbytes(32);
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void *gui_mem = general_memory_allocate(&models->mem.general, gui_mem_size + 8, 0);
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);
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}
return(result);
}
inline void
live_set_free_view(System_Functions *system, Exchange *exchange, Live_Views *live_set, View *view){
Assert(live_set->count > 0);
--live_set->count;
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file_view_free_buffers(view);
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dll_insert(&live_set->free_sentinel, view);
view->in_use = 0;
}
// BOTTOM