/* * 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; } Full_Cursor cursor = file_compute_cursor(system, file, seek_pos(pos)); view_set_cursor(system, 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, 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