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4coder/4ed.cpp

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/*
* Mr. 4th Dimention - Allen Webster
*
* 12.12.2014
*
* Application layer for project codename "4ed"
*
*/
// TOP
#define DEFAULT_DISPLAY_WIDTH 672
#define DEFAULT_MINIMUM_BASE_DISPLAY_WIDTH 550
internal App_Coroutine_State
get_state(Application_Links *app){
App_Coroutine_State state = {};
state.co = app->current_coroutine;
state.type = app->type_coroutine;
return(state);
}
internal void
restore_state(Application_Links *app, App_Coroutine_State state){
app->current_coroutine = state.co;
app->type_coroutine = state.type;
}
internal Coroutine_Head*
app_launch_coroutine(System_Functions *system, Application_Links *app, Coroutine_Type type, Coroutine_Head *co, void *in, void *out){
Coroutine_Head *result = 0;
App_Coroutine_State prev_state = get_state(app);
app->current_coroutine = co;
app->type_coroutine = type;
result = system->launch_coroutine(co, in, out);
restore_state(app, prev_state);
return(result);
}
internal Coroutine_Head*
app_resume_coroutine(System_Functions *system, Application_Links *app, Coroutine_Type type, Coroutine_Head *co, void *in, void *out){
Coroutine_Head *result = 0;
App_Coroutine_State prev_state = get_state(app);
app->current_coroutine = co;
app->type_coroutine = type;
result = system->resume_coroutine(co, in, out);
restore_state(app, prev_state);
return(result);
}
internal void
output_file_append(System_Functions *system, Models *models, Editing_File *file, String value){
if (!file->is_dummy){
i32 end = buffer_size(&file->state.buffer);
Edit edit = {};
edit.str = value.str;
edit.length = value.size;
edit.range.first = end;
edit.range.one_past_last = end;
Edit_Behaviors behaviors = {};
edit_single(system, models, file, edit, behaviors);
}
}
internal void
file_cursor_to_end(System_Functions *system, Models *models, Editing_File *file){
Assert(file != 0);
i32 pos = buffer_size(&file->state.buffer);
Layout *layout = &models->layout;
for (Panel *panel = layout_get_first_open_panel(layout);
panel != 0;
panel = layout_get_next_open_panel(layout, panel)){
View *view = panel->view;
if (view->file_data.file != file){
continue;
}
view_cursor_move(system, view, pos);
File_Edit_Positions edit_pos = view_get_edit_pos(view);
view->mark = edit_pos.cursor_pos;
}
}
// Commands
#define USE_VARS(n) App_Vars *n = command->vars
#define USE_FILE(n,v) Editing_File *n = (v)->file_data.file
#define USE_PANEL(n) Panel *n = 0; do{ \
i32 panel_index = command->models->layout.active_panel; \
n = command->models->layout.panels + panel_index; \
}while(false)
#define USE_VIEW(n) View *n = 0; do{ \
i32 panel_index = command->models->layout.active_panel; \
Panel *__panel__ = command->models->layout.panels + panel_index; \
n = __panel__->view; \
}while(false)
#define REQ_OPEN_VIEW(n) USE_VIEW(n); if (view_lock_flags(n) != 0) return
#define REQ_FILE(n,v) Editing_File *n = (v)->file_data.file; if (n == 0) return
#define REQ_FILE_HISTORY(n,v) Editing_File *n = (v)->file_data.file; if (n == 0 || n->state.undo.undo.edits == 0) return
SCROLL_RULE_SIG(fallback_scroll_rule){
b32 result = false;
if (target_x != *scroll_x){
*scroll_x = target_x;
result = true;
}
if (target_y != *scroll_y){
*scroll_y = target_y;
result = true;
}
return(result);
}
#define DEFAULT_MAP_SIZE 10
#define DEFAULT_UI_MAP_SIZE 32
internal void
setup_ui_commands(Command_Map *commands, Partition *part, i32 parent){
map_init(commands, part, DEFAULT_UI_MAP_SIZE, parent);
// TODO(allen): do(fix the weird built-in-ness of the ui map)
u8 mdfr_array[] = {MDFR_NONE, MDFR_SHIFT, MDFR_CTRL, MDFR_SHIFT | MDFR_CTRL};
for (i32 i = 0; i < 4; ++i){
u8 mdfr = mdfr_array[i];
map_add(commands, key_left , mdfr, (Custom_Command_Function*)0);
map_add(commands, key_right, mdfr, (Custom_Command_Function*)0);
map_add(commands, key_up , mdfr, (Custom_Command_Function*)0);
map_add(commands, key_down , mdfr, (Custom_Command_Function*)0);
map_add(commands, key_back , mdfr, (Custom_Command_Function*)0);
}
}
internal void
setup_file_commands(Command_Map *commands, Partition *part, i32 parent){
map_init(commands, part, DEFAULT_MAP_SIZE, parent);
}
internal void
setup_top_commands(Command_Map *commands, Partition *part, i32 parent){
map_init(commands, part, DEFAULT_MAP_SIZE, parent);
}
internal b32
interpret_binding_buffer(Models *models, void *buffer, i32 size){
b32 result = true;
Heap *gen = &models->mem.heap;
Partition *part = &models->mem.part;
Temp_Memory temp = begin_temp_memory(part);
Partition local_part = {};
Mapping new_mapping = {};
models->scroll_rule = fallback_scroll_rule;
models->hook_open_file = 0;
models->hook_new_file = 0;
models->hook_save_file = 0;
models->hook_end_file = 0;
models->hook_file_edit_finished = 0;
models->command_caller = 0;
models->render_caller = 0;
models->input_filter = 0;
b32 did_top = false;
b32 did_file = false;
Command_Map *map_ptr = 0;
Binding_Unit *unit = (Binding_Unit*)buffer;
if (unit->type == unit_header && unit->header.error == 0){
Binding_Unit *end = unit + unit->header.total_size;
i32 user_map_count = unit->header.user_map_count;
new_mapping.user_map_count = user_map_count;
// Initialize Table and User Maps in Temp Buffer
new_mapping.map_id_table = push_array(part, i32, user_map_count);
memset(new_mapping.map_id_table, -1, user_map_count*sizeof(i32));
new_mapping.user_maps = push_array(part, Command_Map, user_map_count);
memset(new_mapping.user_maps, 0, user_map_count*sizeof(Command_Map));
// Find the Size of Each Map
for (++unit; unit < end; ++unit){
switch (unit->type){
case unit_map_begin:
{
i32 mapid = unit->map_begin.mapid;
if (mapid == mapid_ui || mapid == mapid_nomap){
break;
}
else if (mapid == mapid_global){
did_top = true;
}
else if (mapid == mapid_file){
did_file = true;
}
Command_Map *map = get_or_add_map(&new_mapping, mapid);
i32 count = map->count;
i32 new_count = 0;
if (unit->map_begin.replace){
map->real_beginning = unit;
new_count = unit->map_begin.bind_count;
}
else{
if (map->real_beginning == 0){
map->real_beginning = unit;
}
new_count = unit->map_begin.bind_count + count;
}
map->count = new_count;
if (map->max < new_count){
map->max = new_count;
}
}break;
}
}
// Add up the Map Counts
i32 count_global = DEFAULT_MAP_SIZE;
if (did_top){
count_global = clamp_bottom(6, new_mapping.map_top.count*3/2);
}
i32 count_file = DEFAULT_MAP_SIZE;
if (did_file){
count_file = clamp_bottom(6, new_mapping.map_file.count*3/2);
}
i32 count_ui = DEFAULT_UI_MAP_SIZE;
i32 count_user = 0;
for (i32 i = 0; i < user_map_count; ++i){
Command_Map *map = &new_mapping.user_maps[i];
count_user += clamp_bottom(6, map->max*3/2);
}
i32 binding_memsize = (count_global + count_file + count_ui + count_user)*sizeof(Command_Binding);
// Allocate Needed Memory
i32 map_id_table_memsize = user_map_count*sizeof(i32);
i32 user_maps_memsize = user_map_count*sizeof(Command_Map);
i32 map_id_table_rounded_memsize = l_round_up_i32(map_id_table_memsize, 8);
i32 user_maps_rounded_memsize = l_round_up_i32(user_maps_memsize, 8);
i32 binding_rounded_memsize = l_round_up_i32(binding_memsize, 8);
i32 needed_memsize = map_id_table_rounded_memsize + user_maps_rounded_memsize + binding_rounded_memsize;
new_mapping.memory = heap_allocate(gen, needed_memsize);
local_part = make_part(new_mapping.memory, needed_memsize);
// Move ID Table Memory and Pointer
i32 *old_table = new_mapping.map_id_table;
new_mapping.map_id_table = push_array(&local_part, i32, user_map_count);
memmove(new_mapping.map_id_table, old_table, map_id_table_memsize);
// Move User Maps Memory and Pointer
Command_Map *old_maps = new_mapping.user_maps;
new_mapping.user_maps = push_array(&local_part, Command_Map, user_map_count);
memmove(new_mapping.user_maps, old_maps, user_maps_memsize);
// Fill in Command Maps
unit = (Binding_Unit*)buffer;
for (++unit; unit < end; ++unit){
switch (unit->type){
case unit_map_begin:
{
i32 mapid = unit->map_begin.mapid;
if (mapid == mapid_ui || mapid == mapid_nomap){
map_ptr = 0;
break;
}
Command_Map *map = get_or_add_map(&new_mapping, mapid);
if (unit >= map->real_beginning){
if (mapid == mapid_global){
map_ptr = &new_mapping.map_top;
}
else if (mapid == mapid_file){
map_ptr = &new_mapping.map_file;
}
else if (mapid < mapid_global){
i32 index = get_or_add_map_index(&new_mapping, mapid);
Assert(index < user_map_count);
map_ptr = &new_mapping.user_maps[index];
}
else{
map_ptr = 0;
break;
}
Assert(map_ptr != 0);
// NOTE(allen): Map can begin multiple times, only alloc and clear when we first see it.
if (map_ptr->commands == 0){
i32 count = map->max;
i32 table_max = clamp_bottom(6, count*3/2);
map_init(map_ptr, &local_part, table_max, mapid_global);
}
}
}break;
case unit_inherit:
{
if (map_ptr != 0){
map_ptr->parent = unit->map_inherit.mapid;
}
}break;
case unit_callback:
{
if (map_ptr != 0){
Custom_Command_Function *custom = unit->callback.func;
if (unit->callback.code == 0){
u32 index = 0;
if (map_get_modifiers_hash(unit->callback.modifiers, &index)){
map_ptr->vanilla_keyboard_default[index].custom = custom;
}
}
else{
map_add(map_ptr, unit->callback.code, unit->callback.modifiers, custom);
}
}
}break;
case unit_hook:
{
i32 hook_id = unit->hook.hook_id;
if (hook_id >= 0){
if (hook_id < hook_type_count){
models->hooks[hook_id] = (Hook_Function*)unit->hook.func;
}
else{
switch (hook_id){
case special_hook_open_file:
{
models->hook_open_file = (Open_File_Hook_Function*)unit->hook.func;
}break;
case special_hook_new_file:
{
models->hook_new_file = (Open_File_Hook_Function*)unit->hook.func;
}break;
case special_hook_save_file:
{
models->hook_save_file = (Open_File_Hook_Function*)unit->hook.func;
}break;
case special_hook_end_file:
{
models->hook_end_file = (Open_File_Hook_Function*)unit->hook.func;
}break;
case special_hook_file_edit_finished:
{
models->hook_file_edit_finished = (File_Edit_Finished_Function*)unit->hook.func;
}break;
case special_hook_command_caller:
{
models->command_caller = (Command_Caller_Hook_Function*)unit->hook.func;
}break;
case special_hook_render_caller:
{
models->render_caller = (Render_Caller_Function*)unit->hook.func;
}break;
case special_hook_scroll_rule:
{
models->scroll_rule = (Scroll_Rule_Function*)unit->hook.func;
}break;
case special_hook_buffer_name_resolver:
{
models->buffer_name_resolver = (Buffer_Name_Resolver_Function*)unit->hook.func;
}break;
case special_hook_input_filter:
{
models->input_filter = (Input_Filter_Function*)unit->hook.func;
}break;
case special_hook_start:
{
models->hook_start = (Start_Hook_Function*)unit->hook.func;
}break;
}
}
}
}break;
}
}
if (!did_top){
setup_top_commands(&new_mapping.map_top, &local_part, mapid_global);
}
if (!did_file){
setup_file_commands(&new_mapping.map_file, &local_part, mapid_global);
}
setup_ui_commands(&new_mapping.map_ui, &local_part, mapid_global);
}
else{
// TODO(allen): do(Error report: bad binding units map.)
// TODO(allen): do(no bindings set recovery plan.)
InvalidCodePath;
}
Mapping old_mapping = models->mapping;
if (old_mapping.memory != 0){
heap_free(gen, old_mapping.memory);
}
models->mapping = new_mapping;
end_temp_memory(temp);
return(result);
}
#include "4ed_api_implementation.cpp"
internal void
command_caller(Coroutine_Head *coroutine){
Command_In *cmd_in = (Command_In*)coroutine->in;
Models *models = cmd_in->models;
if (models->command_caller != 0){
Generic_Command generic = {};
generic.command = cmd_in->bind.custom;
models->command_caller(&models->app_links, generic);
}
else{
cmd_in->bind.custom(&models->app_links);
}
}
internal void
app_links_init(System_Functions *system, Application_Links *app_links, void *data, i32 size){
app_links->memory = data;
app_links->memory_size = size;
FillAppLinksAPI(app_links);
app_links->current_coroutine = 0;
app_links->system_links = system;
}
// App Functions
internal void
app_hardcode_default_style(Models *models){
Style_Library *styles = &models->styles;
styles->count = 2;
styles->max = ArrayCount(models->styles.styles);
Style *style = styles->styles;
for (i32 i = 0; i < 2; i += 1, style += 1){
style->name = make_fixed_width_string(style->name_);
copy(&style->name, make_lit_string("4coder"));
terminate_with_null(&style->name);
style->theme.colors[Stag_Back] = 0xFF0C0C0C;
style->theme.colors[Stag_Margin] = 0xFF181818;
style->theme.colors[Stag_Margin_Hover] = 0xFF252525;
style->theme.colors[Stag_Margin_Active] = 0xFF323232;
style->theme.colors[Stag_List_Item] = style->theme.colors[Stag_Margin];
style->theme.colors[Stag_List_Item_Hover] = style->theme.colors[Stag_Margin_Hover];
style->theme.colors[Stag_List_Item_Active] = style->theme.colors[Stag_Margin_Active];
style->theme.colors[Stag_Cursor] = 0xFF00EE00;
style->theme.colors[Stag_Highlight] = 0xFFDDEE00;
style->theme.colors[Stag_Mark] = 0xFF494949;
style->theme.colors[Stag_Default] = 0xFF90B080;
style->theme.colors[Stag_At_Cursor] = style->theme.colors[Stag_Back];
style->theme.colors[Stag_Highlight_Cursor_Line] = 0xFF1E1E1E;
style->theme.colors[Stag_At_Highlight] = 0xFFFF44DD;
style->theme.colors[Stag_Comment] = 0xFF2090F0;
style->theme.colors[Stag_Keyword] = 0xFFD08F20;
style->theme.colors[Stag_Str_Constant] = 0xFF50FF30;
style->theme.colors[Stag_Char_Constant] = style->theme.colors[Stag_Str_Constant];
style->theme.colors[Stag_Int_Constant] = style->theme.colors[Stag_Str_Constant];
style->theme.colors[Stag_Float_Constant] = style->theme.colors[Stag_Str_Constant];
style->theme.colors[Stag_Bool_Constant] = style->theme.colors[Stag_Str_Constant];
style->theme.colors[Stag_Include] = style->theme.colors[Stag_Str_Constant];
style->theme.colors[Stag_Preproc] = style->theme.colors[Stag_Default];
style->theme.colors[Stag_Special_Character] = 0xFFFF0000;
style->theme.colors[Stag_Ghost_Character] = color_blend(style->theme.colors[Stag_Default],
0.5f,
style->theme.colors[Stag_Back]);
style->theme.colors[Stag_Paste] = 0xFFDDEE00;
style->theme.colors[Stag_Undo] = 0xFF00DDEE;
style->theme.colors[Stag_Highlight_Junk] = 0xff3a0000;
style->theme.colors[Stag_Highlight_White] = 0xff003a3a;
style->theme.colors[Stag_Bar] = 0xFF888888;
style->theme.colors[Stag_Bar_Active] = 0xFF666666;
style->theme.colors[Stag_Base] = 0xFF000000;
style->theme.colors[Stag_Pop1] = 0xFF3C57DC;
style->theme.colors[Stag_Pop2] = 0xFFFF0000;
}
}
internal void
init_command_line_settings(App_Settings *settings, Plat_Settings *plat_settings, i32 argc, char **argv){
char *arg = 0;
Command_Line_Mode mode = CLMode_App;
Command_Line_Action action = CLAct_Nothing;
b32 strict = false;
settings->init_files_max = ArrayCount(settings->init_files);
for (i32 i = 1; i <= argc; ++i){
if (i == argc){
arg = "";
}
else{
arg = argv[i];
}
if (arg[0] == '-' && arg[1] == '-'){
char *long_arg_name = arg+2;
if (match_cc(long_arg_name, "custom")){
mode = CLMode_Custom;
continue;
}
}
switch (mode){
case CLMode_App:
{
switch (action){
case CLAct_Nothing:
{
if (arg[0] == '-'){
action = CLAct_Ignore;
switch (arg[1]){
case 'd': action = CLAct_CustomDLL; strict = false; break;
case 'D': action = CLAct_CustomDLL; strict = true; break;
case 'i': action = CLAct_InitialFilePosition; break;
case 'w': action = CLAct_WindowSize; break;
case 'W': action = CLAct_WindowMaximize; break;
case 'p': action = CLAct_WindowPosition; break;
case 'F': action = CLAct_WindowFullscreen; break;
case 'f': action = CLAct_FontSize; break;
case 'h': action = CLAct_FontUseHinting; --i; break;
case 'l': action = CLAct_LogStdout; --i; break;
case 'L': action = CLAct_LogFile; --i; break;
}
}
else if (arg[0] != 0){
if (settings->init_files_count < settings->init_files_max){
i32 index = settings->init_files_count++;
settings->init_files[index] = arg;
}
}
}break;
case CLAct_CustomDLL:
{
plat_settings->custom_dll_is_strict = (b8)strict;
if (i < argc){
plat_settings->custom_dll = argv[i];
}
action = CLAct_Nothing;
}break;
case CLAct_InitialFilePosition:
{
if (i < argc){
settings->initial_line = str_to_int_c(argv[i]);
}
action = CLAct_Nothing;
}break;
case CLAct_WindowSize:
{
if (i + 1 < argc){
plat_settings->set_window_size = true;
i32 w = str_to_int_c(argv[i]);
i32 h = str_to_int_c(argv[i+1]);
if (w > 0){
plat_settings->window_w = w;
}
if (h > 0){
plat_settings->window_h = h;
}
++i;
}
action = CLAct_Nothing;
}break;
case CLAct_WindowMaximize:
{
--i;
plat_settings->maximize_window = true;
action = CLAct_Nothing;
}break;
case CLAct_WindowPosition:
{
if (i + 1 < argc){
plat_settings->set_window_pos = true;
i32 x = str_to_int_c(argv[i]);
i32 y = str_to_int_c(argv[i+1]);
if (x > 0){
plat_settings->window_x = x;
}
if (y > 0){
plat_settings->window_y = y;
}
++i;
}
action = CLAct_Nothing;
}break;
case CLAct_WindowFullscreen:
{
--i;
plat_settings->fullscreen_window = true;
action = CLAct_Nothing;
}break;
case CLAct_FontSize:
{
if (i < argc){
plat_settings->font_size = str_to_int_c(argv[i]);
settings->font_size = plat_settings->font_size;
}
action = CLAct_Nothing;
}break;
case CLAct_FontUseHinting:
{
plat_settings->use_hinting = true;
settings->use_hinting = plat_settings->use_hinting;
action = CLAct_Nothing;
}break;
case CLAct_LogStdout:
{
plat_settings->use_log = LogTo_Stdout;
action = CLAct_Nothing;
}break;
case CLAct_LogFile:
{
plat_settings->use_log = LogTo_LogFile;
action = CLAct_Nothing;
}break;
}
}break;
case CLMode_Custom:
{
settings->custom_flags = argv + i;
settings->custom_flags_count = argc - i;
i = argc;
mode = CLMode_App;
}break;
}
}
}
internal App_Vars*
app_setup_memory(System_Functions *system, Application_Memory *memory){
Partition _partition = make_part(memory->vars_memory, memory->vars_memory_size);
App_Vars *vars = push_array(&_partition, App_Vars, 1);
Assert(vars != 0);
memset(vars, 0, sizeof(*vars));
vars->models.mem.part = _partition;
heap_init(&vars->models.mem.heap);
heap_extend(&vars->models.mem.heap, memory->target_memory, memory->target_memory_size);
return(vars);
}
internal u32
get_event_flags(Key_Code keycode){
u32 event_flags = 0;
if (keycode == key_esc){
event_flags |= EventOnEsc;
event_flags |= EventOnAnyKey;
}
else if (keycode == key_mouse_left || keycode == key_mouse_left_release){
event_flags |= EventOnMouseLeftButton;
}
else if (keycode == key_mouse_right || keycode == key_mouse_right_release){
event_flags |= EventOnMouseRightButton;
}
else if (keycode == key_mouse_wheel){
event_flags |= EventOnMouseWheel;
}
else if (keycode == key_mouse_move){
event_flags |= EventOnMouseMove;
}
else if (keycode == key_animate){
event_flags |= EventOnAnimate;
}
else if (keycode == key_click_activate_view || keycode == key_click_deactivate_view){
event_flags |= EventOnViewActivation;
}
else{
event_flags |= EventOnAnyKey;
}
return(event_flags);
}
internal void
force_abort_coroutine(System_Functions *system, Models *models, View *view){
User_Input user_in = {};
user_in.abort = true;
for (u32 j = 0; j < 10 && models->command_coroutine != 0; ++j){
models->command_coroutine = app_resume_coroutine(system, &models->app_links, Co_Command, models->command_coroutine, &user_in, models->command_coroutine_flags);
}
if (models->command_coroutine != 0){
// TODO(allen): post grave warning
models->command_coroutine = 0;
}
init_query_set(&view->query_set);
}
internal void
launch_command_via_event(System_Functions *system, Application_Step_Result *app_result, Models *models, View *view, Key_Event_Data event){
models->key = event;
i32 map = view_get_map(view);
Command_Binding cmd_bind = map_extract_recursive(&models->mapping, map, event);
if (cmd_bind.custom != 0){
Assert(models->command_coroutine == 0);
Coroutine_Head *command_coroutine = system->create_coroutine(command_caller);
models->command_coroutine = command_coroutine;
Command_In cmd_in = {};
cmd_in.models = models;
cmd_in.bind = cmd_bind;
models->command_coroutine = app_launch_coroutine(system, &models->app_links, Co_Command, models->command_coroutine, &cmd_in, models->command_coroutine_flags);
models->prev_command = cmd_bind;
app_result->animating = true;
}
}
internal void
launch_command_via_keycode(System_Functions *system, Application_Step_Result *app_result, Models *models, View *view, Key_Code keycode){
Key_Event_Data event = {};
event.keycode = keycode;
launch_command_via_event(system, app_result, models, view, event);
}
App_Read_Command_Line_Sig(app_read_command_line){
i32 out_size = 0;
App_Vars *vars = app_setup_memory(system, memory);
App_Settings *settings = &vars->models.settings;
memset(settings, 0, sizeof(*settings));
plat_settings->font_size = 16;
if (argc > 1){
init_command_line_settings(&vars->models.settings, plat_settings, argc, argv);
}
*files = vars->models.settings.init_files;
*file_count = &vars->models.settings.init_files_count;
return(out_size);
}
App_Init_Sig(app_init){
App_Vars *vars = (App_Vars*)memory->vars_memory;
Models *models = &vars->models;
models->keep_playing = true;
app_links_init(system, &models->app_links, memory->user_memory, memory->user_memory_size);
models->config_api = api;
models->app_links.cmd_context = models;
Partition *part = &models->mem.part;
// NOTE(allen): live set
{
models->live_set.count = 0;
models->live_set.max = MAX_VIEWS;
models->live_set.views = push_array(part, View, models->live_set.max);
//dll_init_sentinel
models->live_set.free_sentinel.next = &models->live_set.free_sentinel;
models->live_set.free_sentinel.prev = &models->live_set.free_sentinel;
i32 max = models->live_set.max;
View *view = models->live_set.views;
for (i32 i = 0; i < max; ++i, ++view){
//dll_insert(&models->live_set.free_sentinel, view);
view->next = models->live_set.free_sentinel.next;
view->prev = &models->live_set.free_sentinel;
models->live_set.free_sentinel.next = view;
view->next->prev = view;
}
}
{
umem memsize = KB(8);
void *mem = push_array(part, u8, (i32)memsize);
parse_context_init_memory(&models->parse_context_memory, mem, memsize);
parse_context_add_default(&models->parse_context_memory, &models->mem.heap);
}
{
Assert(models->config_api.get_bindings != 0);
i32 wanted_size = models->config_api.get_bindings(models->app_links.memory, models->app_links.memory_size);
Assert(wanted_size <= models->app_links.memory_size);
interpret_binding_buffer(models, models->app_links.memory, wanted_size);
memset(models->app_links.memory, 0, wanted_size);
}
dynamic_variables_init(&models->variable_layout);
dynamic_workspace_init(&models->mem.heap, &models->lifetime_allocator, DynamicWorkspace_Global, 0, &models->dynamic_workspace);
// NOTE(allen): file setup
working_set_init(system, &models->working_set, part, &vars->models.mem.heap);
models->working_set.default_display_width = DEFAULT_DISPLAY_WIDTH;
models->working_set.default_minimum_base_display_width = DEFAULT_MINIMUM_BASE_DISPLAY_WIDTH;
// NOTE(allen): history setup
global_history_init(&models->global_history);
// NOTE(allen): clipboard setup
models->working_set.clipboard_max_size = ArrayCount(models->working_set.clipboards);
models->working_set.clipboard_size = 0;
models->working_set.clipboard_current = 0;
models->working_set.clipboard_rolling = 0;
// TODO(allen): do(better clipboard allocation)
if (clipboard.str != 0){
String *dest = working_set_next_clipboard_string(&models->mem.heap, &models->working_set, clipboard.size);
copy(dest, make_string((char*)clipboard.str, clipboard.size));
}
// NOTE(allen): style setup
models->global_font_id = 1;
app_hardcode_default_style(models);
// NOTE(allen): title space
models->has_new_title = true;
models->title_capacity = KB(4);
models->title_space = push_array(part, char, models->title_capacity);
{
String builder = make_string_cap(models->title_space, 0, models->title_capacity);
append(&builder, WINDOW_NAME);
terminate_with_null(&builder);
}
// NOTE(allen): init system context
models->system = system;
models->vars = vars;
// NOTE(allen): init baked in buffers
File_Init init_files[] = {
{ make_lit_string("*messages*"), &models->message_buffer, true , },
{ make_lit_string("*scratch*"), &models->scratch_buffer, false, },
};
Heap *heap = &models->mem.heap;
for (i32 i = 0; i < ArrayCount(init_files); ++i){
Editing_File *file = working_set_alloc_always(&models->working_set, heap, &models->lifetime_allocator);
buffer_bind_name(models, heap, part, &models->working_set, file, init_files[i].name);
if (init_files[i].ptr != 0){
*init_files[i].ptr = file;
}
if (init_files[i].read_only){
init_read_only_file(system, models, file);
}
else{
init_normal_file(system, models, 0, 0, file);
}
file->settings.never_kill = true;
file_set_unimportant(file, true);
file->settings.unwrapped_lines = true;
}
// NOTE(allen): setup first panel
{
Panel *panel = layout_initialize(part, &models->layout);
View *new_view = live_set_alloc_view(&models->mem.heap, &models->lifetime_allocator, &models->live_set);
panel->view = new_view;
new_view->panel = panel;
view_set_file(system, models, new_view, models->scratch_buffer);
}
// NOTE(allen): hot directory
hot_directory_init(&models->hot_directory, current_directory);
// NOTE(allen): child proc list setup
vars->cli_processes = make_cli_list(part, MAX_VIEWS);
// NOTE(allen): init GUI keys
models->user_up_key = key_up;
models->user_down_key = key_down;
}
App_Step_Sig(app_step){
App_Vars *vars = (App_Vars*)memory->vars_memory;
Models *models = &vars->models;
Application_Step_Result app_result = {};
app_result.mouse_cursor_type = APP_MOUSE_CURSOR_DEFAULT;
app_result.lctrl_lalt_is_altgr = models->settings.lctrl_lalt_is_altgr;
// NOTE(allen): per-frame update of models state
models->target = target;
// NOTE(allen): OS clipboard event handling
String clipboard = input->clipboard;
if (clipboard.str != 0){
String *dest = working_set_next_clipboard_string(&models->mem.heap, &models->working_set, clipboard.size);
dest->size = eol_convert_in(dest->str, clipboard.str, clipboard.size);
}
// NOTE(allen): check files are up to date
{
b32 mem_too_small = 0;
i32 size = 0;
i32 buffer_size = KB(32);
Partition *part = &models->mem.part;
Temp_Memory temp = begin_temp_memory(part);
char *buffer = push_array(part, char, buffer_size);
u32 unmark_top = 0;
u32 unmark_max = (8 << 10);
Editing_File **unmark = (Editing_File**)push_array(part, Editing_File*, unmark_max);
Working_Set *working_set = &models->working_set;
for (;system->get_file_change(buffer, buffer_size, &mem_too_small, &size);){
Assert(!mem_too_small);
Editing_File_Name canon = {};
if (get_canon_name(system, make_string(buffer, size), &canon)){
Editing_File *file = working_set_contains_canon(working_set, canon.name);
if (file != 0){
if (file->state.ignore_behind_os == 0){
file_set_dirty_flag(file, DirtyState_UnloadedChanges);
}
else if (file->state.ignore_behind_os == 1){
file->state.ignore_behind_os = 2;
unmark[unmark_top++] = file;
if (unmark_top == unmark_max){
break;
}
}
}
}
}
for (u32 i = 0; i < unmark_top; ++i){
unmark[i]->state.ignore_behind_os = 0;
}
end_temp_memory(temp);
}
// NOTE(allen): reorganizing panels on screen
Vec2_i32 prev_dim = layout_get_root_size(&models->layout);
Vec2_i32 current_dim = V2i32(target->width, target->height);
layout_set_root_size(&models->layout, current_dim);
// NOTE(allen): First frame initialization
if (input->first_step){
// Open command line files.
char space[512];
String cl_filename = make_fixed_width_string(space);
copy_ss(&cl_filename, models->hot_directory.string);
i32 cl_filename_len = cl_filename.size;
for (i32 i = 0; i < models->settings.init_files_count; ++i){
cl_filename.size = cl_filename_len;
String filename = {};
Editing_File_Name canon_name = {};
if (get_canon_name(system, make_string_slowly(models->settings.init_files[i]),
&canon_name)){
filename = canon_name.name;
}
else{
append_sc(&cl_filename, models->settings.init_files[i]);
filename = cl_filename;
}
open_file(system, models, filename);
}
if (models->hook_start != 0){
char **files = models->settings.init_files;
i32 files_count = models->settings.init_files_count;
char **flags = models->settings.custom_flags;
i32 flags_count = models->settings.custom_flags_count;
models->hook_start(&models->app_links, files, files_count, flags, flags_count);
}
}
// NOTE(allen): update child processes
f32 dt = input->dt;
if (dt > 0){
Partition *scratch = &models->mem.part;
CLI_List *list = &vars->cli_processes;
Temp_Memory temp = begin_temp_memory(&models->mem.part);
CLI_Process **procs_to_free = push_array(scratch, CLI_Process*, list->count);
u32 proc_free_count = 0;
u32 max = KB(128);
char *dest = push_array(scratch, char, max);
CLI_Process *proc_ptr = list->procs;
for (u32 i = 0; i < list->count; ++i, ++proc_ptr){
Editing_File *file = proc_ptr->out_file;
CLI_Handles *cli = &proc_ptr->cli;
b32 edited_file = false;
u32 amount = 0;
system->cli_begin_update(cli);
if (system->cli_update_step(cli, dest, max, &amount)){
if (file != 0 && amount > 0){
amount = eol_in_place_convert_in(dest, amount);
output_file_append(system, models, file, make_string(dest, amount));
edited_file = true;
}
}
if (system->cli_end_update(cli)){
if (file != 0){
char str_space[256];
String str = make_fixed_width_string(str_space);
append(&str, make_lit_string("exited with code "));
append_int_to_str(&str, cli->exit);
output_file_append(system, models, file, str);
edited_file = true;
}
procs_to_free[proc_free_count++] = proc_ptr;
}
if (proc_ptr->cursor_at_end && file != 0){
file_cursor_to_end(system, models, file);
}
}
for (i32 i = proc_free_count - 1; i >= 0; --i){
cli_list_free_proc(list, procs_to_free[i]);
}
end_temp_memory(temp);
}
// NOTE(allen): init event context
models->input = input;
// NOTE(allen): input filter and simulated events
if (models->input_filter != 0){
models->input_filter(&input->mouse);
}
Key_Event_Data mouse_event = {};
block_copy(mouse_event.modifiers, input->keys.modifiers, sizeof(mouse_event.modifiers));
if (input->mouse.press_l){
mouse_event.keycode = key_mouse_left;
input->keys.keys[input->keys.count++] = mouse_event;
}
else if (input->mouse.release_l){
mouse_event.keycode = key_mouse_left_release;
input->keys.keys[input->keys.count++] = mouse_event;
}
if (input->mouse.press_r){
mouse_event.keycode = key_mouse_right;
input->keys.keys[input->keys.count++] = mouse_event;
}
else if (input->mouse.release_r){
mouse_event.keycode = key_mouse_right_release;
input->keys.keys[input->keys.count++] = mouse_event;
}
if (input->mouse.wheel != 0){
mouse_event.keycode = key_mouse_wheel;
input->keys.keys[input->keys.count++] = mouse_event;
}
if (input->mouse.x != models->prev_x || input->mouse.y != models->prev_y){
b32 was_in_window = hit_check(models->prev_x, models->prev_y, i32R(0, 0, prev_dim.x, prev_dim.y));
b32 is_in_window = hit_check(input->mouse.x, input->mouse.y, i32R(0, 0, current_dim.x, current_dim.y));
if (is_in_window || was_in_window){
mouse_event.keycode = key_mouse_move;
input->keys.keys[input->keys.count++] = mouse_event;
}
}
if (models->animated_last_frame){
mouse_event.keycode = key_animate;
input->keys.keys[input->keys.count++] = mouse_event;
}
// NOTE(allen): expose layout
Layout *layout = &models->layout;
// NOTE(allen): mouse hover status
Panel *mouse_panel = 0;
Panel *divider_panel = 0;
b32 mouse_in_margin = false;
Vec2_i32 mouse = V2i32(input->mouse.x, input->mouse.y);
{
for (Panel *panel = layout_get_first_open_panel(layout);
panel != 0;
panel = layout_get_next_open_panel(layout, panel)){
if (hit_check(mouse.x, mouse.y, panel->rect_full)){
mouse_panel = panel;
if (!hit_check(mouse.x, mouse.y, panel->rect_inner)){
mouse_in_margin = true;
for (divider_panel = mouse_panel->parent;
divider_panel != 0;
divider_panel = divider_panel->parent){
if (hit_check(mouse.x, mouse.y, divider_panel->rect_inner)){
break;
}
}
}
}
if (mouse_panel != 0){
break;
}
}
}
// NOTE(allen): consume event stream
Key_Event_Data *key_ptr = input->keys.keys;
Key_Event_Data *key_end = key_ptr + input->keys.count;
for (;key_ptr < key_end; key_ptr += 1){
Panel *active_panel = layout_get_active_panel(layout);
View *view = active_panel->view;
Assert(view != 0);
switch (vars->state){
case APP_STATE_EDIT:
{
Key_Code keycode = key_ptr->keycode;
enum{
EventConsume_None,
EventConsume_BeginResize,
EventConsume_ClickChangeView,
EventConsume_Command,
};
i32 event_consume_mode = EventConsume_Command;
if (keycode == key_mouse_left && input->mouse.press_l && (divider_panel != 0)){
event_consume_mode = EventConsume_BeginResize;
}
else if (keycode == key_mouse_left && input->mouse.press_l && mouse_panel != 0 && mouse_panel != active_panel){
event_consume_mode = EventConsume_ClickChangeView;
}
switch (event_consume_mode){
case EventConsume_BeginResize:
{
vars->state = APP_STATE_RESIZING;
models->resizing_intermediate_panel = divider_panel;
}break;
case EventConsume_ClickChangeView:
{
// NOTE(allen): kill coroutine if we have one
if (models->command_coroutine != 0){
force_abort_coroutine(system, models, view);
}
// NOTE(allen): run deactivate command
launch_command_via_keycode(system, &app_result, models, view, key_click_deactivate_view);
// NOTE(allen): kill coroutine if we have one (again because we just launched a command)
if (models->command_coroutine != 0){
force_abort_coroutine(system, models, view);
}
layout->active_panel = mouse_panel;
app_result.animating = true;
active_panel = mouse_panel;
view = active_panel->view;
// NOTE(allen): run activate command
launch_command_via_keycode(system, &app_result, models, view, key_click_activate_view);
}break;
case EventConsume_Command:
{
// NOTE(allen): update command coroutine
if (models->command_coroutine != 0){
models->key = *key_ptr;
Coroutine_Head *command_coroutine = models->command_coroutine;
u32 abort_flags = models->command_coroutine_flags[1];
u32 get_flags = models->command_coroutine_flags[0] | abort_flags;
u32 event_flags = get_event_flags(key_ptr->keycode);
if ((get_flags & event_flags) != 0){
i32 map = view_get_map(view);
Command_Binding cmd_bind = map_extract_recursive(&models->mapping, map, *key_ptr);
User_Input user_in = {};
user_in.key = *key_ptr;
user_in.command.command = cmd_bind.custom;
user_in.abort = ((abort_flags & event_flags) != 0);
models->command_coroutine = app_resume_coroutine(system, &models->app_links, Co_Command, command_coroutine, &user_in, models->command_coroutine_flags);
app_result.animating = true;
if (models->command_coroutine == 0){
init_query_set(&view->query_set);
}
}
}
// NOTE(allen): launch command
else{
launch_command_via_event(system, &app_result, models, view, *key_ptr);
}
}break;
}
}break;
case APP_STATE_RESIZING:
{
Key_Code keycode = key_ptr->keycode;
u32 event_flags = get_event_flags(keycode);
if (event_flags & EventOnAnyKey || keycode == key_mouse_left_release){
vars->state = APP_STATE_EDIT;
}
else if (keycode == key_mouse_move){
if (input->mouse.l){
Panel *split = models->resizing_intermediate_panel;
Range limits = layout_get_limiting_range_on_split(layout, split);
i32 mouse_position = (split->vertical_split)?(mouse.x):(mouse.y);
mouse_position = clamp(limits.min, mouse_position, limits.max);
layout_set_split_absolute_position(layout, split, mouse_position);
}
else{
vars->state = APP_STATE_EDIT;
}
}
}break;
}
}
// NOTE(allen): send panel size update
if (models->layout.panel_state_dirty && models->hooks[hook_view_size_change] != 0){
models->layout.panel_state_dirty = false;
models->hooks[hook_view_size_change](&models->app_links);
}
// NOTE(allen): step panels
{
Panel *active_panel = layout_get_active_panel(layout);
for (Panel *panel = layout_get_first_open_panel(layout);
panel != 0;
panel = layout_get_next_open_panel(layout, panel)){
View *view = panel->view;
GUI_Scroll_Vars *scroll_vars = 0;
i32 max_y = 0;
b32 file_scroll = false;
File_Edit_Positions edit_pos = view_get_edit_pos(view);
if (!view->ui_mode){
scroll_vars = &edit_pos.scroll;
max_y = view_compute_max_target_y(view);
file_scroll = true;
}
else{
scroll_vars = &view->ui_scroll;
i32 bottom = view->ui_control.bounding_box[UICoordinates_Scrolled].y1;
max_y = view_compute_max_target_y_from_bottom_y(view, (f32)bottom);
file_scroll = false;
}
b32 active = (panel == active_panel);
Input_Process_Result ip_result = do_step_file_view(system, models, view, panel->rect_inner, active, dt, *scroll_vars, max_y);
if (ip_result.is_animating){
app_result.animating = true;
}
if (memcmp(scroll_vars, &ip_result.scroll, sizeof(*scroll_vars)) != 0){
if (file_scroll){
view_set_scroll(system, view, ip_result.scroll);
}
else{
*scroll_vars = ip_result.scroll;
}
}
}
}
// NOTE(allen): on the first frame there should be no scrolling
if (input->first_step){
for (Panel *panel = layout_get_first_open_panel(layout);
panel != 0;
panel = layout_get_next_open_panel(layout, panel)){
View *view = panel->view;
File_Edit_Positions edit_pos = view_get_edit_pos(view);
edit_pos.scroll.scroll_x = (f32)edit_pos.scroll.target_x;
edit_pos.scroll.scroll_y = (f32)edit_pos.scroll.target_y;
view_set_edit_pos(view, edit_pos);
}
}
// NOTE(allen): hook for files marked "edit finished"
{
File_Edit_Finished_Function *hook_file_edit_finished = models->hook_file_edit_finished;
if (hook_file_edit_finished != 0){
Working_Set *working_set = &models->working_set;
if (working_set->edit_finished_list.next != &working_set->edit_finished_list){
if (working_set->time_of_next_edit_finished_signal == 0){
local_const u32 elapse_time = 1000;
working_set->time_of_next_edit_finished_signal = system->now_time() + (u64)(elapse_time - 5)*(u64)1000;
system->wake_up_timer_set(working_set->edit_finished_timer, elapse_time);
}
else{
if (system->now_time() >= working_set->time_of_next_edit_finished_signal){
Partition *scratch = &models->mem.part;
Temp_Memory temp = begin_temp_memory(scratch);
Node *first = working_set->edit_finished_list.next;
Node *stop = &working_set->edit_finished_list;
Editing_File **file_ptrs = push_array(scratch, Editing_File*, 0);
for (Node *node = first;
node != stop;
node = node->next){
Editing_File **file_ptr = push_array(scratch, Editing_File*, 1);
*file_ptr = CastFromMember(Editing_File, edit_finished_mark_node, node);
}
i32 id_count = (i32)(push_array(scratch, Editing_File*, 0) - file_ptrs);
Buffer_ID *ids = push_array(scratch, Buffer_ID, id_count);
for (i32 i = 0; i < id_count; i += 1){
ids[i] = file_ptrs[i]->id.id;
}
working_set->do_not_mark_edits = true;
hook_file_edit_finished(&models->app_links, ids, id_count);
working_set->do_not_mark_edits = false;
for (i32 i = 0; i < id_count; i += 1){
block_zero_struct(&file_ptrs[i]->edit_finished_mark_node);
}
dll_init_sentinel(&working_set->edit_finished_list);
working_set->time_of_next_edit_finished_signal = 0;
end_temp_memory(temp);
}
}
}
}
}
// NOTE(allen): if the exit signal has been sent, run the exit hook.
if (input->trying_to_kill){
models->keep_playing = false;
}
if (!models->keep_playing){
Hook_Function *exit_func = models->hooks[hook_exit];
if (exit_func != 0){
if (exit_func(&models->app_links) == 0){
app_result.animating = true;
models->keep_playing = true;
}
}
}
// NOTE(allen): rendering
{
begin_render_section(target, system);
Panel *active_panel = layout_get_active_panel(layout);
View *active_view = active_panel->view;
// NOTE(allen): render the panels
for (Panel *panel = layout_get_first_open_panel(layout);
panel != 0;
panel = layout_get_next_open_panel(layout, panel)){
i32_Rect full = panel->rect_full;
i32_Rect inner = panel->rect_inner;
View *view = panel->view;
Style *style = &models->styles.styles[0];
draw_rectangle(target, full, style->theme.colors[Stag_Back]);
File_Edit_Positions edit_pos = view_get_edit_pos(view);
GUI_Scroll_Vars *scroll_vars = &edit_pos.scroll;
b32 active = (panel == active_panel);
do_render_file_view(system, view, models, scroll_vars, active_view, inner, active, target);
view_set_edit_pos(view, edit_pos);
u32 margin_color = 0;
if (active){
margin_color = style->theme.colors[Stag_Margin_Active];
}
else if (panel == mouse_panel){
margin_color = style->theme.colors[Stag_Margin_Hover];
}
else{
margin_color = style->theme.colors[Stag_Margin];
}
draw_rectangle(target, i32R( full.x0, full.y0, full.x1, inner.y0), margin_color);
draw_rectangle(target, i32R( full.x0, inner.y1, full.x1, full.y1), margin_color);
draw_rectangle(target, i32R( full.x0, inner.y0, inner.x0, inner.y1), margin_color);
draw_rectangle(target, i32R(inner.x1, inner.y0, full.x1, inner.y1), margin_color);
}
end_render_section(target, system);
}
// NOTE(allen): get new window title
if (models->has_new_title){
models->has_new_title = false;
app_result.has_new_title = true;
app_result.title_string = models->title_space;
}
// NOTE(allen): get cursor type
if (mouse_panel != 0 && !mouse_in_margin){
app_result.mouse_cursor_type = APP_MOUSE_CURSOR_ARROW;
}
else if (divider_panel != 0){
if (divider_panel->vertical_split){
app_result.mouse_cursor_type = APP_MOUSE_CURSOR_LEFTRIGHT;
}
else{
app_result.mouse_cursor_type = APP_MOUSE_CURSOR_UPDOWN;
}
}
else{
app_result.mouse_cursor_type = APP_MOUSE_CURSOR_ARROW;
}
models->prev_mouse_panel = mouse_panel;
app_result.lctrl_lalt_is_altgr = models->settings.lctrl_lalt_is_altgr;
app_result.perform_kill = !models->keep_playing;
// NOTE(allen): Update Frame to Frame States
models->prev_x = input->mouse.x;
models->prev_y = input->mouse.y;
models->animated_last_frame = app_result.animating;
models->frame_counter += 1;
// end-of-app_step
return(app_result);
}
extern "C" App_Get_Functions_Sig(app_get_functions){
App_Functions result = {};
result.read_command_line = app_read_command_line;
result.init = app_init;
result.step = app_step;
return(result);
}
// BOTTOM
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