/*
* 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
////////////////////////////////
Mutex_Lock::Mutex_Lock(System_Functions *s, System_Mutex m){
s->mutex_acquire(m);
this->system = s;
this->mutex = m;
}
Mutex_Lock::~Mutex_Lock(){
this->system->mutex_release(this->mutex);
}
Mutex_Lock::operator System_Mutex(){
return(this->mutex);
}
////////////////////////////////
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*
app_coroutine_handle_request(Models *models, Coroutine *co, u32 *vals){
Coroutine *result = 0;
System_Functions *system = models->system;
switch (vals[2]){
case AppCoroutineRequest_NewFontFace:
{
Face_Description *description = ((Face_Description**)vals)[0];
Face *face = font_set_new_face(&models->font_set, description);
result = coroutine_run(&models->coroutines, co, &face->id, vals);
}break;
case AppCoroutineRequest_ModifyFace:
{
Face_Description *description = ((Face_Description**)vals)[0];
Face_ID face_id = ((Face_ID*)vals)[3];
b32 success = font_set_modify_face(&models->font_set, face_id, description);
result = coroutine_run(&models->coroutines, co, &success, vals);
}break;
}
return(result);
}
internal Coroutine*
app_coroutine_run(Models *models, App_Coroutine_Purpose purpose, Coroutine *co, void *in, u32 *out){
Application_Links *app = &models->app_links;
App_Coroutine_State prev_state = get_state(app);
app->current_coroutine = co;
app->type_coroutine = purpose;
u32 coroutine_out[4] = {};
Coroutine *result = coroutine_run(&models->coroutines, co, in, coroutine_out);
for (;result != 0 && coroutine_out[2] != 0;){
result = app_coroutine_handle_request(models, result, coroutine_out);
}
block_copy(out, coroutine_out, sizeof(*out)*2);
restore_state(app, prev_state);
return(result);
}
internal void
output_file_append(Models *models, Editing_File *file, String_Const_u8 value){
i64 end = buffer_size(&file->state.buffer);
Edit_Behaviors behaviors = {};
edit_single(models, file, Ii64(end), value, behaviors);
}
internal void
file_cursor_to_end(System_Functions *system, Models *models, Editing_File *file){
Assert(file != 0);
i64 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 != file){
continue;
}
view_set_cursor(models, view, pos);
view->mark = 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
DELTA_RULE_SIG(fallback_scroll_rule){
return(pending_delta);
}
#define DEFAULT_MAP_SIZE 10
#define DEFAULT_UI_MAP_SIZE 32
internal void
setup_ui_commands(Command_Map *commands, Cursor *cursor, i32 parent){
map_init(commands, cursor, 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, Cursor *cursor, i32 parent){
map_init(commands, cursor, DEFAULT_MAP_SIZE, parent);
}
internal void
setup_top_commands(Command_Map *commands, Cursor *cursor, i32 parent){
map_init(commands, cursor, DEFAULT_MAP_SIZE, parent);
}
// TODO(allen): REWRITE REWRITE REWRITE!
internal b32
interpret_binding_buffer(Models *models, void *buffer, i32 size){
b32 result = true;
Heap *gen = &models->mem.heap;
Arena *scratch = &models->mem.arena;
Temp_Memory temp = begin_temp(scratch);
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_range = 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(scratch, i32, user_map_count);
memset(new_mapping.map_id_table, -1, user_map_count*sizeof(i32));
new_mapping.user_maps = push_array(scratch, 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_bot(6, new_mapping.map_top.count*3/2);
}
i32 count_file = DEFAULT_MAP_SIZE;
if (did_file){
count_file = clamp_bot(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_bot(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 = round_up_i32(map_id_table_memsize, 8);
i32 user_maps_rounded_memsize = round_up_i32(user_maps_memsize, 8);
i32 binding_rounded_memsize = 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);
Cursor local_cursor = make_cursor(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_cursor, 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_cursor, 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_bot(6, count*3/2);
map_init(map_ptr, &local_cursor, 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 = (Buffer_Hook_Function*)unit->hook.func;
}break;
case special_hook_new_file:
{
models->hook_new_file = (Buffer_Hook_Function*)unit->hook.func;
}break;
case special_hook_save_file:
{
models->hook_save_file = (Buffer_Hook_Function*)unit->hook.func;
}break;
case special_hook_end_file:
{
models->hook_end_file = (Buffer_Hook_Function*)unit->hook.func;
}break;
case special_hook_file_edit_range:
{
models->hook_file_edit_range = (File_Edit_Range_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_file_externally_modified:
{
models->hook_file_externally_modified = (File_Externally_Modified_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 = (Delta_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_modify_color_table:
{
models->modify_color_table = (Modify_Color_Table_Function*)unit->hook.func;
}break;
case special_hook_clipboard_change:
{
models->clipboard_change = (Clipboard_Change_Hook_Function*)unit->hook.func;
}break;
case special_hook_get_view_buffer_region:
{
models->get_view_buffer_region = (Get_View_Buffer_Region_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_cursor, mapid_global);
}
if (!did_file){
setup_file_commands(&new_mapping.map_file, &local_cursor, mapid_global);
}
setup_ui_commands(&new_mapping.map_ui, &local_cursor, mapid_global);
}
else{
// TODO(allen): do(Error report: bad binding units map.)
// TODO(allen): do(no bindings set recovery plan.)
InvalidPath;
}
Mapping old_mapping = models->mapping;
if (old_mapping.memory != 0){
heap_free(gen, old_mapping.memory);
}
models->mapping = new_mapping;
end_temp(temp);
return(result);
}
#include "4ed_api_implementation.cpp"
internal void
command_caller(Coroutine *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
fill_hardcode_default_style(Color_Table color_table){
color_table.vals[Stag_Back] = 0xFF0C0C0C;
color_table.vals[Stag_Margin] = 0xFF181818;
color_table.vals[Stag_Margin_Hover] = 0xFF252525;
color_table.vals[Stag_Margin_Active] = 0xFF323232;
color_table.vals[Stag_List_Item] = color_table.vals[Stag_Margin];
color_table.vals[Stag_List_Item_Hover] = color_table.vals[Stag_Margin_Hover];
color_table.vals[Stag_List_Item_Active] = color_table.vals[Stag_Margin_Active];
color_table.vals[Stag_Cursor] = 0xFF00EE00;
color_table.vals[Stag_Highlight] = 0xFFDDEE00;
color_table.vals[Stag_Mark] = 0xFF494949;
color_table.vals[Stag_Default] = 0xFF90B080;
color_table.vals[Stag_At_Cursor] = color_table.vals[Stag_Back];
color_table.vals[Stag_Highlight_Cursor_Line] = 0xFF1E1E1E;
color_table.vals[Stag_At_Highlight] = 0xFFFF44DD;
color_table.vals[Stag_Comment] = 0xFF2090F0;
color_table.vals[Stag_Keyword] = 0xFFD08F20;
color_table.vals[Stag_Str_Constant] = 0xFF50FF30;
color_table.vals[Stag_Char_Constant] = color_table.vals[Stag_Str_Constant];
color_table.vals[Stag_Int_Constant] = color_table.vals[Stag_Str_Constant];
color_table.vals[Stag_Float_Constant] = color_table.vals[Stag_Str_Constant];
color_table.vals[Stag_Bool_Constant] = color_table.vals[Stag_Str_Constant];
color_table.vals[Stag_Include] = color_table.vals[Stag_Str_Constant];
color_table.vals[Stag_Preproc] = color_table.vals[Stag_Default];
color_table.vals[Stag_Special_Character] = 0xFFFF0000;
color_table.vals[Stag_Ghost_Character] = color_blend(color_table.vals[Stag_Default],
0.5f,
color_table.vals[Stag_Back]);
color_table.vals[Stag_Paste] = 0xFFDDEE00;
color_table.vals[Stag_Undo] = 0xFF00DDEE;
color_table.vals[Stag_Highlight_Junk] = 0xff3a0000;
color_table.vals[Stag_Highlight_White] = 0xff003a3a;
color_table.vals[Stag_Bar] = 0xFF888888;
color_table.vals[Stag_Base] = 0xFF000000;
color_table.vals[Stag_Pop1] = 0xFF3C57DC;
color_table.vals[Stag_Pop2] = 0xFFFF0000;
color_table.vals[Stag_Back_Cycle_1] = 0x10A00000;
color_table.vals[Stag_Back_Cycle_2] = 0x0C00A000;
color_table.vals[Stag_Back_Cycle_3] = 0x0C0000A0;
color_table.vals[Stag_Back_Cycle_4] = 0x0CA0A000;
color_table.vals[Stag_Text_Cycle_1] = 0xFFA00000;
color_table.vals[Stag_Text_Cycle_2] = 0xFF00A000;
color_table.vals[Stag_Text_Cycle_3] = 0xFF0030B0;
color_table.vals[Stag_Text_Cycle_4] = 0xFFA0A000;
}
internal void
app_hardcode_default_style(Models *models){
Arena *arena = &models->mem.arena;
Color_Table color_table = {};
color_table.count = Stag_COUNT;
color_table.vals = push_array(arena, u32, color_table.count);
fill_hardcode_default_style(color_table);
models->fallback_color_table = color_table;
}
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 (string_match(SCu8(long_arg_name),
string_u8_litexpr("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 = (i32)string_to_integer(SCu8(argv[i]), 10);
}
action = CLAct_Nothing;
}break;
case CLAct_WindowSize:
{
if (i + 1 < argc){
plat_settings->set_window_size = true;
i32 w = (i32)string_to_integer(SCu8(argv[i]), 10);
i32 h = (i32)string_to_integer(SCu8(argv[i + 1]), 10);
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 = (i32)string_to_integer(SCu8(argv[i]), 10);
i32 y = (i32)string_to_integer(SCu8(argv[i + 1]), 10);
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 = (i32)string_to_integer(SCu8(argv[i]), 10);
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 Models*
app_setup_memory(System_Functions *system, Application_Memory *memory){
Cursor cursor = make_cursor(memory->vars_memory, memory->vars_memory_size);
Models *models = push_array_zero(&cursor, Models, 1);
models->mem.arena = make_arena_system(system);
models->base_allocator = models->mem.arena.base_allocator;
heap_init(&models->mem.heap, models->base_allocator);
return(models);
}
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_coroutine_run(models, 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, 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 *command_coroutine = coroutine_create(&models->coroutines, command_caller);
models->command_coroutine = command_coroutine;
Command_In cmd_in = {};
cmd_in.models = models;
cmd_in.bind = cmd_bind;
models->command_coroutine = app_coroutine_run(models, Co_Command, models->command_coroutine, &cmd_in, models->command_coroutine_flags);
models->prev_command = cmd_bind;
if (event.keycode != key_animate){
models->animate_next_frame = true;
}
}
}
internal void
launch_command_via_keycode(System_Functions *system, Models *models, View *view, Key_Code keycode){
Key_Event_Data event = {};
event.keycode = keycode;
launch_command_via_event(system, models, view, event);
}
internal Log_Function*
app_get_logger(System_Functions *system){
log_init(system);
return(log_string);
}
App_Read_Command_Line_Sig(app_read_command_line){
i32 out_size = 0;
Models *models = app_setup_memory(system, memory);
App_Settings *settings = &models->settings;
memset(settings, 0, sizeof(*settings));
plat_settings->font_size = 16;
if (argc > 1){
init_command_line_settings(&models->settings, plat_settings, argc, argv);
}
*files = models->settings.init_files;
*file_count = &models->settings.init_files_count;
return(out_size);
}
App_Init_Sig(app_init){
Models *models = (Models*)memory->vars_memory;
models->system = system;
models->keep_playing = true;
app_links_init(system, &models->app_links, memory->user_memory, memory->user_memory_size);
models->custom_layer_arena = make_arena_models(models);
models->config_api = api;
models->app_links.cmd_context = models;
Arena *arena = &models->mem.arena;
// NOTE(allen): coroutines
coroutine_system_init(system, &models->coroutines);
// NOTE(allen): font set
font_set_init(system, &models->font_set);
// NOTE(allen): live set
{
models->live_set.count = 0;
models->live_set.max = MAX_VIEWS;
models->live_set.views = push_array(arena, 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;
}
}
{
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);
}
managed_ids_init(models->base_allocator, &models->managed_id_set);
lifetime_allocator_init(models->base_allocator, &models->lifetime_allocator);
dynamic_workspace_init(&models->lifetime_allocator, DynamicWorkspace_Global, 0, &models->dynamic_workspace);
// NOTE(allen): file setup
working_set_init(models, &models->working_set);
Mutex_Lock file_order_lock(system, models->working_set.mutex);
models->working_set.default_display_width = DEFAULT_DISPLAY_WIDTH;
models->working_set.default_minimum_base_display_width = DEFAULT_MINIMUM_BASE_DISPLAY_WIDTH;
// NOTE(allen):
global_history_init(&models->global_history);
text_layout_init(models, &models->text_layouts);
// 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_Const_u8 *dest = working_set_next_clipboard_string(&models->mem.heap, &models->working_set, clipboard.size);
block_copy(dest->str, clipboard.str, clipboard.size);
}
// NOTE(allen): style setup
{
Face_Description description = {};
description.font.file_name = string_u8_litexpr("liberation-mono.ttf");
description.font.in_4coder_font_folder = true;
description.parameters.pt_size = 12;
Face *new_face = font_set_new_face(&models->font_set, &description);
models->global_face_id = new_face->id;
}
app_hardcode_default_style(models);
// NOTE(allen): title space
models->has_new_title = true;
models->title_capacity = KB(4);
models->title_space = push_array(arena, char, models->title_capacity);
block_copy(models->title_space, WINDOW_NAME, sizeof(WINDOW_NAME));
// NOTE(allen): init baked in buffers
File_Init init_files[] = {
{ string_u8_litinit("*messages*"), &models->message_buffer, true , },
{ string_u8_litinit("*scratch*") , &models->scratch_buffer, false, },
{ string_u8_litinit("*log*") , &models->log_buffer , true , },
};
Heap *heap = &models->mem.heap;
for (i32 i = 0; i < ArrayCount(init_files); ++i){
Editing_File *file = working_set_allocate_file(&models->working_set, &models->lifetime_allocator);
buffer_bind_name(models, arena, &models->working_set, file, init_files[i].name);
if (init_files[i].ptr != 0){
*init_files[i].ptr = file;
}
File_Attributes attributes = {};
file_create_from_string(models, file, SCu8(), attributes);
if (init_files[i].read_only){
file->settings.read_only = true;
history_free(&file->state.history);
}
file->settings.never_kill = true;
file_set_unimportant(file, true);
}
// NOTE(allen): setup first panel
{
Panel *panel = layout_initialize(arena, &models->layout);
View *new_view = live_set_alloc_view(&models->lifetime_allocator, &models->live_set, panel);
view_set_file(system, models, new_view, models->scratch_buffer);
}
// NOTE(allen): miscellaneous init
hot_directory_init(system, arena, &models->hot_directory, current_directory);
child_process_container_init(models->base_allocator, &models->child_processes);
models->user_up_key = key_up;
models->user_down_key = key_down;
models->period_wakeup_timer = system->wake_up_timer_create();
}
App_Step_Sig(app_step){
Models *models = (Models*)memory->vars_memory;
Mutex_Lock file_order_lock(system, models->working_set.mutex);
models->next_animate_delay = max_u32;
models->animate_next_frame = false;
// NOTE(allen): per-frame update of models state
begin_frame(target, &models->font_set);
models->target = target;
models->input = input;
// NOTE(allen): OS clipboard event handling
String_Const_u8 clipboard = input->clipboard;
if (clipboard.str != 0){
String_Const_u8 *dest = working_set_next_clipboard_string(&models->mem.heap, &models->working_set, clipboard.size);
dest->size = eol_convert_in((char*)dest->str, (char*)clipboard.str, (i32)clipboard.size);
if (input->clipboard_changed && models->clipboard_change != 0){
models->clipboard_change(&models->app_links, *dest, ClipboardFlag_FromOS);
}
}
// 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): update child processes
f32 dt = input->dt;
if (dt > 0){
Arena *scratch = &models->mem.arena;
Child_Process_Container *child_processes = &models->child_processes;
Temp_Memory temp = begin_temp(scratch);
Child_Process **processes_to_free = push_array(scratch, Child_Process*, child_processes->active_child_process_count);
i32 processes_to_free_count = 0;
u32 max = KB(128);
char *dest = push_array(scratch, char, max);
for (Node *node = child_processes->child_process_active_list.next;
node != &child_processes->child_process_active_list;
node = node->next){
Child_Process *child_process = CastFromMember(Child_Process, node, node);
Editing_File *file = child_process->out_file;
CLI_Handles *cli = &child_process->cli;
// TODO(allen): do(call a 'child process updated hook' let that hook populate the buffer if it so chooses)
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(models, file, SCu8(dest, amount));
edited_file = true;
}
}
if (system->cli_end_update(cli)){
if (file != 0){
String_Const_u8 str = push_u8_stringf(scratch, "exited with code %d", cli->exit);
output_file_append(models, file, str);
edited_file = true;
}
processes_to_free[processes_to_free_count++] = child_process;
child_process_set_return_code(models, child_processes, child_process->id, cli->exit);
}
if (child_process->cursor_at_end && file != 0){
file_cursor_to_end(system, models, file);
}
}
for (i32 i = 0; i < processes_to_free_count; ++i){
child_process_free(child_processes, processes_to_free[i]->id);
}
end_temp(temp);
}
// 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.p != models->prev_p){
b32 was_in_window = rect_contains_point(i32R(0, 0, prev_dim.x, prev_dim.y), models->prev_p);
b32 is_in_window = rect_contains_point(i32R(0, 0, current_dim.x, current_dim.y), input->mouse.p);
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 = input->mouse.p;
{
for (Panel *panel = layout_get_first_open_panel(layout);
panel != 0;
panel = layout_get_next_open_panel(layout, panel)){
if (rect_contains_point(panel->rect_full, mouse)){
mouse_panel = panel;
if (!rect_contains_point(panel->rect_inner, mouse)){
mouse_in_margin = true;
for (divider_panel = mouse_panel->parent;
divider_panel != 0;
divider_panel = divider_panel->parent){
if (rect_contains_point(divider_panel->rect_inner, mouse)){
break;
}
}
}
}
if (mouse_panel != 0){
break;
}
}
}
// NOTE(allen): First frame initialization
if (input->first_step){
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): 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 (models->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:
{
models->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, 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;
models->animate_next_frame = true;
active_panel = mouse_panel;
view = active_panel->view;
// NOTE(allen): run activate command
launch_command_via_keycode(system, 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 *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_coroutine_run(models, Co_Command, command_coroutine, &user_in, models->command_coroutine_flags);
if (user_in.key.keycode != key_animate){
models->animate_next_frame = true;
}
if (models->command_coroutine == 0){
init_query_set(&view->query_set);
}
}
}
// NOTE(allen): launch command
else{
launch_command_via_event(system, 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){
models->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{
models->state = APP_STATE_EDIT;
}
}
}break;
}
}
// NOTE(allen): send panel size update
if (models->layout.panel_state_dirty && models->hooks[hook_buffer_viewer_update] != 0){
models->layout.panel_state_dirty = false;
models->hooks[hook_buffer_viewer_update](&models->app_links);
}
// NOTE(allen): dt
f32 literal_dt = 0.f;
u64 now_usecond_stamp = system->now_time();
if (!input->first_step){
u64 elapsed_useconds = now_usecond_stamp - models->last_render_usecond_stamp;
literal_dt = (f32)((f64)(elapsed_useconds)/1000000.f);
}
models->last_render_usecond_stamp = now_usecond_stamp;
f32 animation_dt = 0.f;
if (models->animated_last_frame){
animation_dt = literal_dt;
}
// 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;
if (!view->ui_mode){
File_Edit_Positions edit_pos = view_get_edit_pos(view);
edit_pos.scroll.position = view_normalize_buffer_point(models, view, edit_pos.scroll.target);
block_zero_struct(&edit_pos.scroll.target);
view_set_edit_pos(view, edit_pos);
}
else{
view->ui_scroll.position = view->ui_scroll.target;
block_zero_struct(&view->ui_scroll.target);
}
}
}
// NOTE(allen): apply pending smooth deltas
{
Delta_Rule_Function *scroll_rule = models->scroll_rule;
for (Panel *panel = layout_get_first_open_panel(layout);
panel != 0;
panel = layout_get_next_open_panel(layout, panel)){
View *view = panel->view;
View_ID view_id = view_get_id(&models->live_set, view);
b32 new_target = (b32)view->new_scroll_target;
if (view->ui_mode){
Vec2_f32 pending = view->ui_scroll.target - view->ui_scroll.position;
if (!near_zero(pending, 0.5f)){
Vec2_f32 partial = scroll_rule(pending, view_id, new_target, animation_dt);
view->ui_scroll.position += partial;
models->animate_next_frame = true;
}
else{
view->ui_scroll.position = view->ui_scroll.target;
}
}
else{
File_Edit_Positions edit_pos = view_get_edit_pos(view);
Vec2_f32 pending = view_buffer_point_difference(models, view,
edit_pos.scroll.target, edit_pos.scroll.position);
if (!near_zero(pending, 0.5f)){
Vec2_f32 partial = scroll_rule(pending, view_id, new_target, animation_dt);
edit_pos.scroll.position = view_move_buffer_point(models, view,
edit_pos.scroll.position, partial);
view_set_edit_pos(view, edit_pos);
models->animate_next_frame = true;
}
else{
edit_pos.scroll.position = edit_pos.scroll.target;
view_set_edit_pos(view, edit_pos);
}
}
}
}
// NOTE(allen): hook for files reloaded
{
File_Externally_Modified_Function *hook_file_externally_modified = models->hook_file_externally_modified;
if (hook_file_externally_modified != 0){
Working_Set *working_set = &models->working_set;
Assert(working_set->has_external_mod_sentinel.next != 0);
if (working_set->has_external_mod_sentinel.next != &working_set->has_external_mod_sentinel){
for (Node *node = working_set->has_external_mod_sentinel.next, *next = 0;
node != &working_set->has_external_mod_sentinel;
node = next){
next = node->next;
Editing_File *file = CastFromMember(Editing_File, external_mod_node, node);
dll_remove(node);
block_zero_struct(node);
hook_file_externally_modified(&models->app_links, file->id);
}
}
}
}
// 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_count > 0){
Assert(working_set->edit_finished_sentinel.next != 0);
b32 trigger_hook = false;
u32 elapse_time = models->edit_finished_hook_repeat_speed;
if (elapse_time != 0){
trigger_hook = true;
}
else if (working_set->time_of_next_edit_finished_signal == 0){
u32 trigger_window_length = 0;
if (elapse_time > 5){
trigger_window_length = elapse_time - 5;
}
u64 trigger_time = system->now_time() + (u64)trigger_window_length*1000LLU;
working_set->time_of_next_edit_finished_signal = trigger_time;
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){
trigger_hook = true;
}
if (trigger_hook){
Arena *scratch = &models->mem.arena;
Temp_Memory temp = begin_temp(scratch);
Node *first = working_set->edit_finished_sentinel.next;
Node *one_past_last = &working_set->edit_finished_sentinel;
i32 max_id_count = working_set->edit_finished_count;
Editing_File **file_ptrs = push_array(scratch, Editing_File*, max_id_count);
Buffer_ID *ids = push_array(scratch, Buffer_ID, max_id_count);
i32 id_count = 0;
for (Node *node = first;
node != one_past_last;
node = node->next){
Editing_File *file_ptr = CastFromMember(Editing_File, edit_finished_mark_node, node);
file_ptrs[id_count] = file_ptr;
ids[id_count] = file_ptr->id;
id_count += 1;
}
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){
file_ptrs[i]->edit_finished_marked = false;
}
dll_init_sentinel(&working_set->edit_finished_sentinel);
working_set->edit_finished_count = 0;
working_set->time_of_next_edit_finished_signal = 0;
end_temp(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){
models->animate_next_frame = true;
models->keep_playing = true;
}
}
}
// NOTE(allen): rendering
{
Frame_Info frame = {};
frame.index = models->frame_counter;
frame.literal_dt = literal_dt;
frame.animation_dt = animation_dt;
{
Color_Table color_table = models->fallback_color_table;
if (models->modify_color_table != 0){
color_table = models->modify_color_table(&models->app_links, frame);
if (color_table.count < models->fallback_color_table.count){
block_copy(models->fallback_color_table.vals, color_table.vals, color_table.count*sizeof(*color_table.vals));
color_table = models->fallback_color_table;
}
}
models->color_table = color_table;
}
begin_render_section(target, system, models->frame_counter, literal_dt, animation_dt);
models->in_render_mode = true;
if (models->render_caller != 0){
models->render_caller(&models->app_links, frame);
}
models->in_render_mode = false;
end_render_section(target, system);
}
// NOTE(allen): flush the log
log_flush(models);
// NOTE(allen): set the app_result
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): 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;
app_result.animating = models->animate_next_frame;
if (models->animate_next_frame){
// NOTE(allen): Silence the timer, because we're going to do another frame right away anyways.
system->wake_up_timer_set(models->period_wakeup_timer, max_u32);
}
else{
// NOTE(allen): Set the timer's wakeup period, possibly to max_u32 thus effectively silencing it.
system->wake_up_timer_set(models->period_wakeup_timer, models->next_animate_delay);
}
// NOTE(allen): Update Frame to Frame States
models->prev_p = input->mouse.p;
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.get_logger = app_get_logger;
result.read_command_line = app_read_command_line;
result.init = app_init;
result.step = app_step;
return(result);
}
// BOTTOM