/* * 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){ App_Coroutine_State prev_state = get_state(app); app->current_coroutine = co; app->type_coroutine = type; Coroutine_Head *result = system->resume_coroutine(co, in, out); restore_state(app, prev_state); return(result); } internal void output_file_append(Models *models, Editing_File *file, String_Const_u8 value){ if (!file->is_dummy){ i32 end = buffer_size(&file->state.buffer); Edit_Behaviors behaviors = {}; edit_single(models->system, models, file, make_range(end), value, 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 != file){ continue; } Full_Cursor cursor = file_compute_cursor(models, file, seek_pos(pos)); view_set_cursor(system, models, view, cursor, true); view->mark = 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, 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 = (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_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_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_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_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 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 Arena make_arena_models(Models *models, umem chunk_size, umem align){ return(make_arena(models->base_allocator, chunk_size, align)); } internal Arena make_arena_models(Models *models, umem chunk_size){ return(make_arena(models->base_allocator, chunk_size, 8)); } internal Arena make_arena_models(Models *models){ return(make_arena(models->base_allocator, KB(16), 8)); } //////////////////////////////// internal App_Vars* app_setup_memory(System_Functions *system, Application_Memory *memory){ Cursor cursor = make_cursor(memory->vars_memory, memory->vars_memory_size); App_Vars *vars = push_array_zero(&cursor, App_Vars, 1); vars->models.mem.arena = make_arena_system(system); vars->models.base_allocator = vars->models.mem.arena.base_allocator; 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, 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; 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); } 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->custom_layer_arena = make_arena_models(models); models->config_api = api; models->app_links.cmd_context = models; Arena *arena = &models->mem.arena; // 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; } } { umem memsize = KB(8); void *mem = push_array(arena, 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, arena); 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->app_links, &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; models->global_font_id = font_set_new_face(&models->font_set, &description); } 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 system context models->system = system; models->vars = vars; // 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, }, }; 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, 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(system, models, file, SCu8(), attributes); if (init_files[i].read_only){ file->settings.read_only = true; history_free(&models->mem.heap, &file->state.history); } file->settings.never_kill = true; file_set_unimportant(file, true); file->settings.unwrapped_lines = true; } // NOTE(allen): setup first panel { Panel *panel = layout_initialize(arena, &models->layout); View *new_view = live_set_alloc_view(&models->mem.heap, &models->lifetime_allocator, &models->live_set, panel); view_set_file(system, models, new_view, models->scratch_buffer); } // NOTE(allen): miscellaneous init hot_directory_init(&models->hot_directory, current_directory); child_process_container_init(&models->child_processes, models); 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){ App_Vars *vars = (App_Vars*)memory->vars_memory; Models *models = &vars->models; 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): check files are up to date { b32 mem_too_small = 0; i32 size = 0; i32 buffer_size = KB(32); Arena *scratch = &models->mem.arena; Temp_Memory temp = begin_temp(scratch); char *buffer = push_array(scratch, char, buffer_size); u32 unmark_top = 0; u32 unmark_max = Thousand(8); Editing_File **unmark = (Editing_File**)push_array(scratch, 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, SCu8(buffer, size), &canon)){ Editing_File *file = working_set_contains_canon(working_set, string_from_file_name(&canon)); if (file != 0){ if (file->state.ignore_behind_os == 0){ file_add_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(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): 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 (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, 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_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); 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){ 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_buffer_viewer_update] != 0){ models->layout.panel_state_dirty = false; models->hooks[hook_buffer_viewer_update](&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; b32 file_scroll = false; File_Edit_Positions edit_pos = view_get_edit_pos(view); if (!view->ui_mode){ scroll_vars = &edit_pos.scroll; file_scroll = true; } else{ scroll_vars = &view->ui_scroll; file_scroll = false; } b32 active = (panel == active_panel); GUI_Scroll_Vars new_scroll = do_step_file_view(system, models, view, panel->rect_inner, active, dt, *scroll_vars); if (memcmp(scroll_vars, &new_scroll, sizeof(*scroll_vars)) != 0){ if (file_scroll){ view_set_scroll(system, models, view, new_scroll); } else{ *scroll_vars = new_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_count > 0){ Assert(working_set->edit_finished_list_first != 0); Assert(working_set->edit_finished_list_last != 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_list_first; 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 != 0; 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; 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; } working_set->edit_finished_list_first = 0; working_set->edit_finished_list_last = 0; 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 { 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; } 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): 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.read_command_line = app_read_command_line; result.init = app_init; result.step = app_step; return(result); } // BOTTOM