/* 4coder_default_hooks.cpp - Sets up the hooks for the default framework. */ // TOP START_HOOK_SIG(default_start){ default_4coder_initialize(app, files, file_count); default_4coder_side_by_side_panels(app, files, file_count); if (global_config.automatically_load_project){ load_project(app); } // no meaning for return return(0); } COMMAND_CALLER_HOOK(default_command_caller){ // app // NOTE(allen): Get the binding from the buffer's current map User_Input input = get_command_input(app); View_ID view = get_active_view(app, AccessAll); Command_Map_ID map_id = 0; if (view_is_in_ui_mode(app, view)){ view_get_setting(app, view, ViewSetting_UICommandMap, &map_id); } else{ Buffer_ID buffer = view_get_buffer(app, view, AccessAll); Managed_Scope buffer_scope = buffer_get_managed_scope(app, buffer); Command_Map_ID *map_id_ptr = scope_attachment(app, buffer_scope, buffer_map_id, Command_Map_ID); if (*map_id_ptr == 0){ *map_id_ptr = mapid_file; } map_id = *map_id_ptr; } Command_Binding binding = map_get_binding_recursive(&framework_mapping, map_id, &input.event); if (binding.custom == 0){ // NOTE(allen): we don't have anything to do with this input, // leave it marked unhandled so that if there's a follow up // event it is not blocked. leave_command_input_unhandled(app); } else{ // NOTE(allen): before the command is called do some book keeping Managed_Scope scope = view_get_managed_scope(app, view); Rewrite_Type *next_rewrite = scope_attachment(app, scope, view_next_rewrite_loc, Rewrite_Type); *next_rewrite = Rewrite_None; if (fcoder_mode == FCoderMode_NotepadLike){ for (View_ID view_it = get_view_next(app, 0, AccessAll); view_it != 0; view_it = get_view_next(app, view_it, AccessAll)){ Managed_Scope scope_it = view_get_managed_scope(app, view_it); b32 *snap_mark_to_cursor = scope_attachment(app, scope_it, view_snap_mark_to_cursor, b32); *snap_mark_to_cursor = true; } } // NOTE(allen): call the command binding.custom(app); // NOTE(allen): after the command is called do some book keeping next_rewrite = scope_attachment(app, scope, view_next_rewrite_loc, Rewrite_Type); if (next_rewrite != 0){ Rewrite_Type *rewrite = scope_attachment(app, scope, view_rewrite_loc, Rewrite_Type); *rewrite = *next_rewrite; if (fcoder_mode == FCoderMode_NotepadLike){ for (View_ID view_it = get_view_next(app, 0, AccessAll); view_it != 0; view_it = get_view_next(app, view_it, AccessAll)){ Managed_Scope scope_it = view_get_managed_scope(app, view_it); b32 *snap_mark_to_cursor = scope_attachment(app, scope_it, view_snap_mark_to_cursor, b32); if (*snap_mark_to_cursor){ i64 pos = view_get_cursor_pos(app, view_it); view_set_mark(app, view_it, seek_pos(pos)); } } } } } return(0); } internal Range_i64_Array get_enclosure_ranges(Application_Links *app, Arena *arena, Buffer_ID buffer, i64 pos, u32 flags){ Range_i64_Array array = {}; i32 max = 100; array.ranges = push_array(arena, Range_i64, max); for (;;){ Range_i64 range = {}; if (find_surrounding_nest(app, buffer, pos, flags, &range)){ array.ranges[array.count] = range; array.count += 1; pos = range.first; if (array.count >= max){ break; } } else{ break; } } return(array); } typedef i32 Range_Highlight_Kind; enum{ RangeHighlightKind_LineHighlight, RangeHighlightKind_CharacterHighlight, }; internal void draw_enclosures(Application_Links *app, Text_Layout_ID text_layout_id, Buffer_ID buffer, i64 pos, u32 flags, Range_Highlight_Kind kind, int_color *back_colors, int_color *fore_colors, i32 color_count){ Scratch_Block scratch(app); Range_i64_Array ranges = get_enclosure_ranges(app, scratch, buffer, pos, flags); i32 color_index = 0; for (i32 i = ranges.count - 1; i >= 0; i -= 1){ Range_i64 range = ranges.ranges[i]; if (kind == RangeHighlightKind_LineHighlight){ Range_i64 r[2] = {}; if (i > 0){ Range_i64 inner_range = ranges.ranges[i - 1]; Range_i64 lines = get_line_range_from_pos_range(app, buffer, range); Range_i64 inner_lines = get_line_range_from_pos_range(app, buffer, inner_range); inner_lines.min = clamp_bot(lines.min, inner_lines.min); inner_lines.max = clamp_top(inner_lines.max, lines.max); inner_lines.min -= 1; inner_lines.max += 1; if (lines.min <= inner_lines.min){ r[0] = Ii64(lines.min, inner_lines.min); } if (inner_lines.max <= lines.max){ r[1] = Ii64(inner_lines.max, lines.max); } } else{ r[0] = get_line_range_from_pos_range(app, buffer, range); } for (i32 j = 0; j < 2; j += 1){ if (r[j].min == 0){ continue; } Range_i64 line_range = r[j]; if (back_colors != 0){ draw_line_highlight(app, text_layout_id, line_range, back_colors[color_index]); } if (fore_colors != 0){ Range_i64 pos_range = get_pos_range_from_line_range(app, buffer, line_range); paint_text_color(app, text_layout_id, pos_range, fore_colors[color_index]); } } } else{ if (back_colors != 0){ draw_character_block(app, text_layout_id, range.min, 0.f, back_colors[color_index]); draw_character_block(app, text_layout_id, range.max - 1, 0.f, back_colors[color_index]); } if (fore_colors != 0){ paint_text_color_pos(app, text_layout_id, range.min, fore_colors[color_index]); paint_text_color_pos(app, text_layout_id, range.max - 1, fore_colors[color_index]); } } color_index += 1; color_index = (color_index%color_count); } } static argb_color default_colors[Stag_COUNT] = {}; MODIFY_COLOR_TABLE_SIG(default_modify_color_table){ if (default_colors[Stag_NOOP] == 0){ default_colors[Stag_NOOP] = 0xFFFF00FF; default_colors[Stag_Back] = 0xFF0C0C0C; default_colors[Stag_Margin] = 0xFF181818; default_colors[Stag_Margin_Hover] = 0xFF252525; default_colors[Stag_Margin_Active] = 0xFF323232; default_colors[Stag_List_Item] = default_colors[Stag_Margin]; default_colors[Stag_List_Item_Hover] = default_colors[Stag_Margin_Hover]; default_colors[Stag_List_Item_Active] = default_colors[Stag_Margin_Active]; default_colors[Stag_Cursor] = 0xFF00EE00; default_colors[Stag_Highlight] = 0xFFDDEE00; default_colors[Stag_Mark] = 0xFF494949; default_colors[Stag_Default] = 0xFF90B080; default_colors[Stag_At_Cursor] = default_colors[Stag_Back]; default_colors[Stag_Highlight_Cursor_Line] = 0xFF1E1E1E; default_colors[Stag_At_Highlight] = 0xFFFF44DD; default_colors[Stag_Comment] = 0xFF2090F0; default_colors[Stag_Keyword] = 0xFFD08F20; default_colors[Stag_Str_Constant] = 0xFF50FF30; default_colors[Stag_Char_Constant] = default_colors[Stag_Str_Constant]; default_colors[Stag_Int_Constant] = default_colors[Stag_Str_Constant]; default_colors[Stag_Float_Constant] = default_colors[Stag_Str_Constant]; default_colors[Stag_Bool_Constant] = default_colors[Stag_Str_Constant]; default_colors[Stag_Include] = default_colors[Stag_Str_Constant]; default_colors[Stag_Preproc] = default_colors[Stag_Default]; default_colors[Stag_Special_Character] = 0xFFFF0000; default_colors[Stag_Ghost_Character] = 0xFF4E5E46; default_colors[Stag_Paste] = 0xFFDDEE00; default_colors[Stag_Undo] = 0xFF00DDEE; default_colors[Stag_Highlight_Junk] = 0xFF3A0000; default_colors[Stag_Highlight_White] = 0xFF003A3A; default_colors[Stag_Bar] = 0xFF888888; default_colors[Stag_Base] = 0xFF000000; default_colors[Stag_Pop1] = 0xFF3C57DC; default_colors[Stag_Pop2] = 0xFFFF0000; default_colors[Stag_Back_Cycle_1] = 0x10A00000; default_colors[Stag_Back_Cycle_2] = 0x0C00A000; default_colors[Stag_Back_Cycle_3] = 0x0C0000A0; default_colors[Stag_Back_Cycle_4] = 0x0CA0A000; default_colors[Stag_Text_Cycle_1] = 0xFFA00000; default_colors[Stag_Text_Cycle_2] = 0xFF00A000; default_colors[Stag_Text_Cycle_3] = 0xFF0030B0; default_colors[Stag_Text_Cycle_4] = 0xFFA0A000; default_colors[Stag_Line_Numbers_Back] = 0xFF101010; default_colors[Stag_Line_Numbers_Text] = 0xFF404040; } Color_Table color_table = {}; color_table.vals = default_colors; color_table.count = ArrayCount(default_colors); return(color_table); } GET_VIEW_BUFFER_REGION_SIG(default_view_buffer_region){ Buffer_ID buffer = view_get_buffer(app, view_id, AccessAll); Face_ID face_id = get_face_id(app, buffer); Face_Metrics metrics = get_face_metrics(app, face_id); i32 line_height = i32_ceil32(metrics.line_height); // file bar { b64 showing_file_bar = false; if (view_get_setting(app, view_id, ViewSetting_ShowFileBar, &showing_file_bar)){ if (showing_file_bar){ sub_region.y0 += line_height + 2; } } } // query bar { Query_Bar *space[32]; Query_Bar_Ptr_Array query_bars = {}; query_bars.ptrs = space; if (get_active_query_bars(app, view_id, ArrayCount(space), &query_bars)){ i32 widget_height = (line_height + 2)*query_bars.count; sub_region.y0 += widget_height; } } // line number margins if (global_config.show_line_number_margins){ i64 line_count = buffer_get_line_count(app, buffer); i64 line_count_digit_count = digit_count_from_integer(line_count, 10); i32 margin_width = i32_ceil32((f32)line_count_digit_count*metrics.normal_advance); sub_region.x0 += margin_width + 2; } return(sub_region); } internal int_color get_token_color_cpp(Token token){ int_color result = Stag_Default; switch (token.kind){ case TokenBaseKind_Preprocessor: { result = Stag_Preproc; }break; case TokenBaseKind_Keyword: { result = Stag_Keyword; }break; case TokenBaseKind_Comment: { result = Stag_Comment; }break; case TokenBaseKind_LiteralString: { result = Stag_Str_Constant; }break; case TokenBaseKind_LiteralInteger: { result = Stag_Int_Constant; }break; case TokenBaseKind_LiteralFloat: { result = Stag_Float_Constant; }break; default: { switch (token.sub_kind){ case TokenCppKind_LiteralTrue: case TokenCppKind_LiteralFalse: { result = Stag_Bool_Constant; }break; case TokenCppKind_LiteralCharacter: case TokenCppKind_LiteralCharacterWide: case TokenCppKind_LiteralCharacterUTF8: case TokenCppKind_LiteralCharacterUTF16: case TokenCppKind_LiteralCharacterUTF32: { result = Stag_Char_Constant; }break; case TokenCppKind_PPIncludeFile: { result = Stag_Include; }break; } }break; } return(result); } internal void default_buffer_render_caller(Application_Links *app, Frame_Info frame_info, View_ID view_id, Rect_f32 view_inner_rect){ Buffer_ID buffer = view_get_buffer(app, view_id, AccessAll); Face_ID face_id = get_face_id(app, buffer); Face_Metrics face_metrics = get_face_metrics(app, face_id); f32 line_height = face_metrics.line_height; Rect_f32 sub_region = default_view_buffer_region(app, view_id, view_inner_rect); Rect_f32 buffer_rect = rect_intersect(sub_region, view_inner_rect); Buffer_Scroll scroll = view_get_buffer_scroll(app, view_id); Buffer_Point buffer_point = scroll.position; Text_Layout_ID text_layout_id = text_layout_create(app, buffer, buffer_rect, buffer_point); Interval_i64 visible_range = text_layout_get_visible_range(app, text_layout_id); View_ID active_view = get_active_view(app, AccessAll); b32 is_active_view = (active_view == view_id); Scratch_Block scratch(app); // NOTE(allen): Token colorizing Token_Array token_array = get_token_array_from_buffer(app, buffer); if (token_array.tokens != 0){ i64 first_index = token_index_from_pos(&token_array, visible_range.first); Token_Iterator_Array it = token_iterator_index(buffer, &token_array, first_index); for (;;){ Token *token = token_it_read(&it); if (token->pos >= visible_range.one_past_last){ break; } int_color color = get_token_color_cpp(*token); paint_text_color(app, text_layout_id, Ii64(token->pos, token->pos + token->size), color); if (!token_it_inc_non_whitespace(&it)){ break; } } } // NOTE(allen): Scan for TODOs and NOTEs { Temp_Memory temp = begin_temp(scratch); String_Const_u8 tail = push_buffer_range(app, scratch, buffer, visible_range); i32 index = 0; for (;tail.size > 0; tail = string_skip(tail, 1), index += 1){ if (string_match(string_prefix(tail, 4), string_u8_litexpr("NOTE"))){ Interval_i64 range = Ii64_size(visible_range.first + index, 4); paint_text_color(app, text_layout_id, range, Stag_Text_Cycle_2); tail = string_skip(tail, 3); index += 3; } else if (string_match(string_prefix(tail, 4), string_u8_litexpr("TODO"))){ Interval_i64 range = Ii64_size(visible_range.first + index, 4); paint_text_color(app, text_layout_id, range, Stag_Text_Cycle_1); tail = string_skip(tail, 3); index += 3; } } end_temp(temp); } i64 cursor_pos = view_get_cursor_pos(app, view_id); i64 mark_pos = view_get_mark_pos(app, view_id); // NOTE(allen): Scope highlight if (do_matching_enclosure_highlight){ static const i32 color_count = 4; int_color colors[color_count]; for (u16 i = 0; i < color_count; i += 1){ colors[i] = Stag_Back_Cycle_1 + i; } draw_enclosures(app, text_layout_id, buffer, cursor_pos, FindNest_Scope, RangeHighlightKind_LineHighlight, colors, 0, color_count); } // NOTE(allen): Error highlight { String_Const_u8 name = string_u8_litexpr("*compilation*"); Buffer_ID compilation_buffer = get_buffer_by_name(app, name, AccessAll); if (compilation_buffer != 0){ Managed_Scope scopes[2]; scopes[0] = buffer_get_managed_scope(app, compilation_buffer); scopes[1] = buffer_get_managed_scope(app, buffer); Managed_Scope scope = get_managed_scope_with_multiple_dependencies(app, scopes, ArrayCount(scopes)); Managed_Object *markers_object = scope_attachment(app, scope, sticky_jump_marker_handle, Managed_Object); Temp_Memory temp = begin_temp(scratch); i32 count = managed_object_get_item_count(app, *markers_object); Marker *markers = push_array(scratch, Marker, count); managed_object_load_data(app, *markers_object, 0, count, markers); for (i32 i = 0; i < count; i += 1){ i64 line_number = get_line_number_from_pos(app, buffer, markers[i].pos); draw_line_highlight(app, text_layout_id, line_number, Stag_Highlight_Junk); } end_temp(temp); } } // NOTE(allen): Color parens if (do_matching_paren_highlight){ i64 pos = cursor_pos; if (buffer_get_char(app, buffer, pos) == '('){ pos += 1; } else if (pos > 0){ if (buffer_get_char(app, buffer, pos - 1) == ')'){ pos -= 1; } } static const i32 color_count = 4; int_color colors[color_count]; for (u16 i = 0; i < color_count; i += 1){ colors[i] = Stag_Text_Cycle_1 + i; } draw_enclosures(app, text_layout_id, buffer, cursor_pos, FindNest_Paren, RangeHighlightKind_CharacterHighlight, 0, colors, color_count); } // NOTE(allen): Line highlight if (highlight_line_at_cursor && is_active_view){ i64 line_number = get_line_number_from_pos(app, buffer, cursor_pos); draw_line_highlight(app, text_layout_id, line_number, Stag_Highlight_Cursor_Line); } // NOTE(allen): Roundness f32 cursor_roundness = 4.f; f32 mark_thickness = 2.f; // NOTE(allen): Highlight range b32 has_highlight_range = false; { Managed_Scope scope = view_get_managed_scope(app, view_id); Buffer_ID *highlight_buffer = scope_attachment(app, scope, view_highlight_buffer, Buffer_ID); if (*highlight_buffer != 0){ if (*highlight_buffer != buffer){ view_disable_highlight_range(app, view_id); } else{ has_highlight_range = true; Managed_Object *highlight = scope_attachment(app, scope, view_highlight_range, Managed_Object); Marker marker_range[2]; if (managed_object_load_data(app, *highlight, 0, 2, marker_range)){ Range_i64 range = Ii64(marker_range[0].pos, marker_range[1].pos); draw_character_block(app, text_layout_id, range, cursor_roundness, Stag_Highlight); paint_text_color(app, text_layout_id, range, Stag_At_Highlight); } } } } // NOTE(allen): Cursor and mark b32 cursor_is_hidden_in_this_view = (cursor_is_hidden && is_active_view); if (!cursor_is_hidden_in_this_view){ switch (fcoder_mode){ case FCoderMode_Original: { if (is_active_view){ draw_character_block(app, text_layout_id, cursor_pos, cursor_roundness, Stag_Cursor); paint_text_color_pos(app, text_layout_id, cursor_pos, Stag_At_Cursor); draw_character_wire_frame(app, text_layout_id, mark_pos, cursor_roundness, mark_thickness, Stag_Mark); } else{ draw_character_wire_frame(app, text_layout_id, mark_pos, cursor_roundness, mark_thickness, Stag_Mark); draw_character_wire_frame(app, text_layout_id, cursor_pos, cursor_roundness, mark_thickness, Stag_Cursor); } }break; case FCoderMode_NotepadLike: { if (cursor_pos != mark_pos){ Range_i64 range = Ii64(cursor_pos, mark_pos); draw_character_block(app, text_layout_id, range, cursor_roundness, Stag_Highlight); paint_text_color(app, text_layout_id, range, Stag_At_Highlight); } draw_character_i_bar(app, text_layout_id, cursor_pos, Stag_Cursor); }break; } } { Rect_f32 prev_clip = draw_set_clip(app, buffer_rect); draw_text_layout(app, text_layout_id); draw_set_clip(app, prev_clip); } // NOTE(allen): FPS HUD if (show_fps_hud){ static const i32 history_depth = 10; static f32 history_literal_dt[history_depth] = {}; static f32 history_animation_dt[history_depth] = {}; static i32 history_frame_index[history_depth] = {}; i32 wrapped_index = frame_info.index%history_depth; history_literal_dt[wrapped_index] = frame_info.literal_dt; history_animation_dt[wrapped_index] = frame_info.animation_dt; history_frame_index[wrapped_index] = frame_info.index; Rect_f32 hud_rect = view_get_screen_rect(app, view_id); hud_rect.y0 = hud_rect.y1 - line_height*(f32)(history_depth); draw_rectangle(app, hud_rect, 0.f, 0xFF000000); draw_rectangle_outline(app, hud_rect, 0.f, 1.f, 0xFFFFFFFF); Vec2 p = hud_rect.p0; Range ranges[2]; ranges[0].first = wrapped_index; ranges[0].one_past_last = -1; ranges[1].first = history_depth - 1; ranges[1].one_past_last = wrapped_index; for (i32 i = 0; i < 2; i += 1){ Range r = ranges[i]; for (i32 j = r.first; j > r.one_past_last; j -= 1, p.y += line_height){ f32 dts[2]; dts[0] = history_literal_dt[j]; dts[1] = history_animation_dt[j]; i32 frame_index = history_frame_index[j]; Fancy_String_List list = {}; push_fancy_stringf(scratch, &list, pink , "FPS: "); push_fancy_stringf(scratch, &list, green, "["); push_fancy_stringf(scratch, &list, white, "%5d", frame_index); push_fancy_stringf(scratch, &list, green, "]: "); for (i32 k = 0; k < 2; k += 1){ f32 dt = dts[k]; if (dt == 0.f){ push_fancy_stringf(scratch, &list, white, "----------"); } else{ push_fancy_stringf(scratch, &list, white, "%10.6f", dt); } push_fancy_stringf(scratch, &list, green, " | "); } draw_fancy_string(app, face_id, list.first, p, Stag_Default, 0, 0, V2(1.f, 0.f)); } } animate_in_n_milliseconds(app, 1000); } // NOTE(allen): Frame Rect_f32 r_cursor = view_inner_rect; // NOTE(allen): Filebar b64 showing_file_bar = false; if (view_get_setting(app, view_id, ViewSetting_ShowFileBar, &showing_file_bar) && showing_file_bar){ Rect_f32 bar = r_cursor; bar.y1 = bar.y0 + line_height + 2.f; r_cursor.y0 = bar.y1; draw_rectangle(app, bar, 0.f, Stag_Bar); Fancy_Color base_color = fancy_id(Stag_Base); Fancy_Color pop2_color = fancy_id(Stag_Pop2); Temp_Memory temp = begin_temp(scratch); i64 cursor_position = view_get_cursor_pos(app, view_id); Buffer_Cursor cursor = view_compute_cursor(app, view_id, seek_pos(cursor_position)); Fancy_String_List list = {}; String_Const_u8 unique_name = push_buffer_unique_name(app, scratch, buffer); push_fancy_string(scratch, &list, base_color, unique_name); push_fancy_stringf(scratch, &list, base_color, " - Row: %3.lld Col: %3.lld -", cursor.line, cursor.col); b64 is_dos_mode = false; if (buffer_get_setting(app, buffer, BufferSetting_Eol, &is_dos_mode)){ if (is_dos_mode){ push_fancy_string(scratch, &list, base_color, string_u8_litexpr(" dos")); } else{ push_fancy_string(scratch, &list, base_color, string_u8_litexpr(" nix")); } } else{ push_fancy_string(scratch, &list, base_color, string_u8_litexpr(" ???")); } { Dirty_State dirty = buffer_get_dirty_state(app, buffer); u8 space[3]; String_u8 str = Su8(space, 0, 3); if (dirty != 0){ string_append(&str, string_u8_litexpr(" ")); } if (HasFlag(dirty, DirtyState_UnsavedChanges)){ string_append(&str, string_u8_litexpr("*")); } if (HasFlag(dirty, DirtyState_UnloadedChanges)){ string_append(&str, string_u8_litexpr("!")); } push_fancy_string(scratch, &list, pop2_color, str.string); } Vec2 p = bar.p0 + V2(0.f, 2.f); draw_fancy_string(app, face_id, list.first, p, Stag_Default, 0); end_temp(temp); } // NOTE(allen): Query Bars { Query_Bar *space[32]; Query_Bar_Ptr_Array query_bars = {}; query_bars.ptrs = space; if (get_active_query_bars(app, view_id, ArrayCount(space), &query_bars)){ for (i32 i = 0; i < query_bars.count; i += 1){ Query_Bar *query_bar = query_bars.ptrs[i]; Rect_f32 bar = r_cursor; bar.y1 = bar.y0 + line_height + 2.f; r_cursor.y0 = bar.y1; Temp_Memory temp = begin_temp(scratch); Fancy_String_List list = {}; Fancy_Color default_color = fancy_id(Stag_Default); Fancy_Color pop1_color = fancy_id(Stag_Pop1); push_fancy_string(scratch, &list, pop1_color , query_bar->prompt); push_fancy_string(scratch, &list, default_color, query_bar->string); Vec2 p = bar.p0 + V2(0.f, 2.f); draw_fancy_string(app, face_id, list.first, p, Stag_Default, 0); end_temp(temp); } } } // NOTE(allen): Line Numbers if (global_config.show_line_number_margins){ i64 line_count = buffer_get_line_count(app, buffer); i64 line_count_digit_count = digit_count_from_integer(line_count, 10); // TODO(allen): I need a "digit width" f32 zero = get_string_advance(app, face_id, string_u8_litexpr("0")); f32 margin_width = ((f32)line_count_digit_count)*zero; Rect_f32 left_margin = r_cursor; left_margin.x1 = left_margin.x0 + margin_width + 2.f; r_cursor.x0 = left_margin.x1; draw_rectangle(app, left_margin, 0.f, Stag_Line_Numbers_Back); Rect_f32 prev_clip = draw_set_clip(app, left_margin); Fancy_Color line_color = fancy_id(Stag_Line_Numbers_Text); Buffer_Cursor cursor = view_compute_cursor(app, view_id, seek_pos(visible_range.first)); i64 line_number = cursor.line; for (;cursor.pos <= visible_range.one_past_last;){ if (line_number > line_count){ break; } Range_f32 line_y = text_layout_line_on_screen(app, text_layout_id, line_number); Vec2_f32 p = V2f32(left_margin.x0, line_y.min); Temp_Memory_Block temp(scratch); Fancy_String *line_string = push_fancy_stringf(scratch, line_color, "%*lld", line_count_digit_count, line_number); draw_fancy_string(app, face_id, line_string, p, Stag_Margin_Active, 0); line_number += 1; } draw_set_clip(app, prev_clip); } text_layout_free(app, text_layout_id); } internal void default_ui_render_caller(Application_Links *app, View_ID view_id, Rect_f32 rect, Face_ID face_id){ UI_Data *ui_data = 0; Arena *ui_arena = 0; if (view_get_ui_data(app, view_id, ViewGetUIFlag_KeepDataAsIs, &ui_data, &ui_arena)){ Basic_Scroll scroll = view_get_basic_scroll(app, view_id); for (UI_Item *item = ui_data->list.first; item != 0; item = item->next){ Rect_f32 item_rect = Rf32(item->rect_outer); item_rect.p0 += rect.p0; item_rect.p1 += rect.p0; switch (item->coordinates){ case UICoordinates_ViewSpace: { item_rect.p0 -= scroll.position; item_rect.p1 -= scroll.position; }break; case UICoordinates_PanelSpace: {}break; } if (rect_overlap(item_rect, rect)){ Rect_f32 inner = rect_inner(item_rect, (f32)item->inner_margin); Face_Metrics metrics = get_face_metrics(app, face_id); f32 line_height = metrics.line_height; f32 info_height = (f32)item->line_count*line_height; draw_rectangle(app, inner, 0.f, Stag_Back); Vec2_f32 p = V2f32(inner.x0 + 3.f, f32_round32((inner.y0 + inner.y1 - info_height)*0.5f)); for (i32 i = 0; i < item->line_count; i += 1){ draw_fancy_string(app, face_id, item->lines[i].first, p, Stag_Default, 0, 0, V2(1.f, 0)); p.y += line_height; } if (item->inner_margin > 0){ draw_margin(app, item_rect, inner, get_margin_color(item->activation_level)); } } } } } internal void default_ui_render_caller(Application_Links *app, View_ID view, Rect_f32 rect){ Buffer_ID buffer = view_get_buffer(app, view, AccessAll); Face_ID face_id = get_face_id(app, buffer); default_ui_render_caller(app, view, rect, face_id); } internal void default_render_view(Application_Links *app, Frame_Info frame_info, View_ID view, b32 is_active){ Rect_f32 view_rect = view_get_screen_rect(app, view); Rect_f32 inner = rect_inner(view_rect, 3); draw_rectangle(app, view_rect, 0.f, get_margin_color(is_active?UIActivation_Active:UIActivation_None)); draw_rectangle(app, inner, 0.f, Stag_Back); Rect_f32 prev_clip = draw_set_clip(app, inner); Managed_Scope scope = view_get_managed_scope(app, view); View_Render_Hook **hook_ptr = scope_attachment(app, scope, view_render_hook, View_Render_Hook*); if (*hook_ptr == 0){ if (view_is_in_ui_mode(app, view)){ default_ui_render_caller(app, view, inner); } else{ default_buffer_render_caller(app, frame_info, view, inner); } } else{ View_Render_Hook *hook = *hook_ptr; hook(app, view, frame_info, inner); } draw_set_clip(app, prev_clip); } RENDER_CALLER_SIG(default_render_caller){ View_ID active_view_id = get_active_view(app, AccessAll); for (View_ID view_id = get_view_next(app, 0, AccessAll); view_id != 0; view_id = get_view_next(app, view_id, AccessAll)){ default_render_view(app, frame_info, view_id, (active_view_id == view_id)); } } HOOK_SIG(default_exit){ // If this returns false it cancels the exit. b32 result = true; if (!allow_immediate_close_without_checking_for_changes){ b32 has_unsaved_changes = false; for (Buffer_ID buffer = get_buffer_next(app, 0, AccessAll); buffer != 0; buffer = get_buffer_next(app, buffer, AccessAll)){ Dirty_State dirty = buffer_get_dirty_state(app, buffer); if (HasFlag(dirty, DirtyState_UnsavedChanges)){ has_unsaved_changes = true; break; } } if (has_unsaved_changes){ View_ID view = get_active_view(app, AccessAll); do_gui_sure_to_close_4coder(app, view); result = false; } } return(result); } HOOK_SIG(default_view_adjust){ // NOTE(allen): Called whenever the view layout/sizes have been modified, including // by full window resize. return(0); } BUFFER_NAME_RESOLVER_SIG(default_buffer_name_resolution){ if (conflict_count > 1){ // List of unresolved conflicts Scratch_Block scratch(app); i32 *unresolved = push_array(scratch, i32, conflict_count); i32 unresolved_count = conflict_count; for (i32 i = 0; i < conflict_count; ++i){ unresolved[i] = i; } // Resolution Loop i32 x = 0; for (;;){ // Resolution Pass ++x; for (i32 i = 0; i < unresolved_count; ++i){ i32 conflict_index = unresolved[i]; Buffer_Name_Conflict_Entry *conflict = &conflicts[conflict_index]; umem size = conflict->base_name.size; size = clamp_top(size, conflict->unique_name_capacity); conflict->unique_name_len_in_out = size; block_copy(conflict->unique_name_in_out, conflict->base_name.str, size); if (conflict->file_name.str != 0){ Temp_Memory_Block temp(scratch); String_Const_u8 uniqueifier = {}; String_Const_u8 file_name = string_remove_last_folder(conflict->file_name); if (file_name.size > 0){ file_name = string_chop(file_name, 1); u8 *end = file_name.str + file_name.size; b32 past_the_end = false; for (i32 j = 0; j < x; ++j){ file_name = string_remove_last_folder(file_name); if (j + 1 < x){ file_name = string_chop(file_name, 1); } if (file_name.size == 0){ if (j + 1 < x){ past_the_end = true; } break; } } u8 *start = file_name.str + file_name.size; uniqueifier = SCu8(start, end); if (past_the_end){ uniqueifier = push_u8_stringf(scratch, "%.*s~%d", string_expand(uniqueifier), i); } } else{ uniqueifier = push_u8_stringf(scratch, "%d", i); } String_u8 builder = Su8(conflict->unique_name_in_out, conflict->unique_name_len_in_out, conflict->unique_name_capacity); string_append(&builder, string_u8_litexpr(" <")); string_append(&builder, uniqueifier); string_append(&builder, string_u8_litexpr(">")); conflict->unique_name_len_in_out = builder.size; } } // Conflict Check Pass b32 has_conflicts = false; for (i32 i = 0; i < unresolved_count; ++i){ i32 conflict_index = unresolved[i]; Buffer_Name_Conflict_Entry *conflict = &conflicts[conflict_index]; String_Const_u8 conflict_name = SCu8(conflict->unique_name_in_out, conflict->unique_name_len_in_out); b32 hit_conflict = false; if (conflict->file_name.str != 0){ for (i32 j = 0; j < unresolved_count; ++j){ if (i == j) continue; i32 conflict_j_index = unresolved[j]; Buffer_Name_Conflict_Entry *conflict_j = &conflicts[conflict_j_index]; String_Const_u8 conflict_name_j = SCu8(conflict_j->unique_name_in_out, conflict_j->unique_name_len_in_out); if (string_match(conflict_name, conflict_name_j)){ hit_conflict = true; break; } } } if (hit_conflict){ has_conflicts = true; } else{ --unresolved_count; unresolved[i] = unresolved[unresolved_count]; --i; } } if (!has_conflicts){ break; } } } } internal void do_full_lex(Application_Links *app, Buffer_ID buffer_id){ Scratch_Block scratch(app); String_Const_u8 contents = push_whole_buffer(app, scratch, buffer_id); Token_List list = lex_full_input_cpp(scratch, contents); Managed_Scope scope = buffer_get_managed_scope(app, buffer_id); Base_Allocator *allocator = managed_scope_allocator(app, scope); Token_Array tokens = {}; tokens.tokens = base_array(allocator, Token, list.total_count); tokens.count = list.total_count; tokens.max = list.total_count; token_fill_memory_from_list(tokens.tokens, &list); Token_Array *tokens_ptr = scope_attachment(app, scope, attachment_tokens, Token_Array); block_copy_struct(tokens_ptr, &tokens); } BUFFER_HOOK_SIG(default_file_settings){ b32 treat_as_code = false; b32 lex_without_strings = false; (void)(lex_without_strings); String_Const_u8_Array extensions = global_config.code_exts; Scratch_Block scratch(app); String_Const_u8 file_name = push_buffer_file_name(app, scratch, buffer_id); if (file_name.size > 0){ String_Const_u8 ext = string_file_extension(file_name); for (i32 i = 0; i < extensions.count; ++i){ if (string_match(ext, extensions.strings[i])){ if (string_match(ext, string_u8_litexpr("cpp")) || string_match(ext, string_u8_litexpr("h")) || string_match(ext, string_u8_litexpr("c")) || string_match(ext, string_u8_litexpr("hpp")) || string_match(ext, string_u8_litexpr("cc"))){ treat_as_code = true; } #if 0 treat_as_code = true; if (string_match(ext, string_u8_litexpr("cs"))){ if (parse_context_language_cs == 0){ init_language_cs(app); } parse_context_id = parse_context_language_cs; } if (string_match(ext, string_u8_litexpr("java"))){ if (parse_context_language_java == 0){ init_language_java(app); } parse_context_id = parse_context_language_java; } if (string_match(ext, string_u8_litexpr("rs"))){ if (parse_context_language_rust == 0){ init_language_rust(app); } parse_context_id = parse_context_language_rust; lex_without_strings = true; } if (string_match(ext, string_u8_litexpr("cpp")) || string_match(ext, string_u8_litexpr("h")) || string_match(ext, string_u8_litexpr("c")) || string_match(ext, string_u8_litexpr("hpp")) || string_match(ext, string_u8_litexpr("cc"))){ if (parse_context_language_cpp == 0){ init_language_cpp(app); } parse_context_id = parse_context_language_cpp; } // TODO(NAME): Real GLSL highlighting if (string_match(ext, string_u8_litexpr("glsl"))){ if (parse_context_language_cpp == 0){ init_language_cpp(app); } parse_context_id = parse_context_language_cpp; } // TODO(NAME): Real Objective-C highlighting if (string_match(ext, string_u8_litexpr("m"))){ if (parse_context_language_cpp == 0){ init_language_cpp(app); } parse_context_id = parse_context_language_cpp; } #endif break; } } } Command_Map_ID map_id = (treat_as_code)?(default_code_map):(mapid_file); Managed_Scope scope = buffer_get_managed_scope(app, buffer_id); Command_Map_ID *map_id_ptr = scope_attachment(app, scope, buffer_map_id, Command_Map_ID); *map_id_ptr = map_id; // NOTE(allen): Decide buffer settings b32 wrap_lines = true; b32 use_virtual_whitespace = false; b32 use_lexer = false; if (treat_as_code){ wrap_lines = global_config.enable_code_wrapping; use_virtual_whitespace = global_config.enable_virtual_whitespace; use_lexer = true; } String_Const_u8 buffer_name = push_buffer_base_name(app, scratch, buffer_id); if (string_match(buffer_name, string_u8_litexpr("*compilation*"))){ wrap_lines = false; } if (use_lexer){ do_full_lex(app, buffer_id); } // no meaning for return return(0); } BUFFER_HOOK_SIG(default_new_file){ // buffer_id // no meaning for return return(0); } BUFFER_HOOK_SIG(default_file_save){ b32 is_virtual = false; if (global_config.automatically_indent_text_on_save && is_virtual){ auto_indent_buffer(app, buffer_id, buffer_range(app, buffer_id)); } // no meaning for return return(0); } FILE_EDIT_RANGE_SIG(default_file_edit_range){ // buffer_id, range, text Interval_i64 replace_range = Ii64(range.first, range.first + text.size); i64 insert_size = range_size(range); i64 text_shift = replace_range_shift(replace_range, insert_size); Scratch_Block scratch(app); Managed_Scope scope = buffer_get_managed_scope(app, buffer_id); Token_Array *ptr = scope_attachment(app, scope, attachment_tokens, Token_Array); if (ptr != 0 && ptr->tokens != 0){ i64 token_index_first = token_relex_first(ptr, range.first, 1); i64 token_index_resync_guess = token_relex_resync(ptr, range.one_past_last, 16); Token *token_first = ptr->tokens + token_index_first; Token *token_resync = ptr->tokens + token_index_resync_guess; Interval_i64 relex_range = Ii64(token_first->pos, token_resync->pos + token_resync->size + text_shift); String_Const_u8 partial_text = push_buffer_range(app, scratch, buffer_id, relex_range); Token_List relex_list = lex_full_input_cpp(scratch, partial_text); if (relex_range.one_past_last < buffer_get_size(app, buffer_id)){ token_drop_eof(&relex_list); } Token_Relex relex = token_relex(relex_list, relex_range.first - text_shift, ptr->tokens, token_index_first, token_index_resync_guess); Base_Allocator *allocator = managed_scope_allocator(app, scope); if (relex.successful_resync){ i64 token_index_resync = relex.first_resync_index; Interval_i64 head = Ii64(0, token_index_first); Interval_i64 replaced = Ii64(token_index_first, token_index_resync); Interval_i64 tail = Ii64(token_index_resync, ptr->count); i64 resynced_count = (token_index_resync_guess + 1) - token_index_resync; i64 relexed_count = relex_list.total_count - resynced_count; i64 tail_shift = relexed_count - (token_index_resync - token_index_first); i64 new_tokens_count = ptr->count + tail_shift; Token *new_tokens = base_array(allocator, Token, new_tokens_count); Token *old_tokens = ptr->tokens; block_copy_array_shift(new_tokens, old_tokens, head, 0); token_fill_memory_from_list(new_tokens + replaced.first, &relex_list, relexed_count); for (i64 i = 0, index = replaced.first; i < relexed_count; i += 1, index += 1){ new_tokens[index].pos += relex_range.first; } for (i64 i = tail.first; i < tail.one_past_last; i += 1){ old_tokens[i].pos += text_shift; } block_copy_array_shift(new_tokens, ptr->tokens, tail, tail_shift); base_free(allocator, ptr->tokens); ptr->tokens = new_tokens; ptr->count = new_tokens_count; ptr->max = new_tokens_count; } else{ scratch.restore(); base_free(allocator, ptr->tokens); do_full_lex(app, buffer_id); } #if 0 // NOTE(allen): Assert correctness of relex results. Enable this code // to track down corruption of the token data. { String_Const_u8 full = push_whole_buffer(app, scratch, buffer_id); Token_List list = lex_full_input_cpp(scratch, full); Token_Array array = token_array_from_list(scratch, &list); Assert(array.count == ptr->count); Token *token_a = array.tokens; Token *token_b = ptr->tokens; for (i64 i = 0; i < array.count; i += 1, token_a += 1, token_b += 1){ Assert(block_match_struct(token_a, token_b)); } } #endif } // no meaning for return return(0); } FILE_EXTERNALLY_MODIFIED_SIG(default_file_externally_modified){ // buffer_id Scratch_Block scratch(app); String_Const_u8 name = push_buffer_unique_name(app, scratch, buffer_id); String_Const_u8 str = push_u8_stringf(scratch, "Modified externally: %s\n", name.str); print_message(app, str); // no meaning for return return(0); } BUFFER_HOOK_SIG(default_end_file){ Scratch_Block scratch(app); String_Const_u8 buffer_name = push_buffer_unique_name(app, scratch, buffer_id); String_Const_u8 str = push_u8_stringf(scratch, "Ending file: %s\n", buffer_name.str); print_message(app, str); // no meaning for return return(0); } // NOTE(allen|a4.0.9): The input filter allows you to modify the input // to a frame before 4coder starts processing it at all. // // Right now it only has access to the mouse state, but it will be // extended to have access to the key presses soon. INPUT_FILTER_SIG(default_suppress_mouse_filter){ if (suppressing_mouse){ block_zero_struct(mouse); mouse->p.x = -100; mouse->p.y = -100; } } // TODO(allen): FIX FIX FIX FIX // NOTE(allen|a4): scroll rule information // // The parameters: // target_x, target_y // This is where the view would like to be for the purpose of // following the cursor, doing mouse wheel work, etc. // // scroll_x, scroll_y // These are pointers to where the scrolling actually is. If you bind // the scroll rule it is you have to update these in some way to move // the actual location of the scrolling. // // view_id // This corresponds to which view is computing it's new scrolling position. // This id DOES correspond to the views that View_ _Summary contains. // This will always be between 1 and 16 (0 is a null id). // See below for an example of having state that carries across scroll udpates. // // is_new_target // If the target of the view is different from the last target in either x or y // this is true, otherwise it is false. // // The return: // Should be true if and only if scroll_x or scroll_y are changed. // // Don't try to use the app pointer in a scroll rule, you're asking for trouble. // // If you don't bind scroll_rule, nothing bad will happen, yo will get default // 4coder scrolling behavior. // Vec2_f32 scroll_velocity_[16] = {}; Vec2_f32 *scroll_velocity = scroll_velocity_ - 1; struct Smooth_Step{ f32 p; f32 v; }; internal Smooth_Step smooth_camera_step(f32 target, f32 v, f32 S, f32 T){ Smooth_Step step = {}; step.v = v; if (step.p != target){ if (step.p > target - .1f && step.p < target + .1f){ step.p = target; step.v = 1.f; } else{ f32 L = step.p + T*(target - step.p); i32 sign = (target > step.p) - (target < step.p); f32 V = step.p + sign*step.v; if (sign > 0){ step.p = (LV)?(L):(V); } if (step.p == V){ step.v *= S; } } } return(step); } DELTA_RULE_SIG(smooth_scroll_rule){ Vec2_f32 *velocity = scroll_velocity + view_id; if (velocity->x == 0.f){ velocity->x = 1.f; velocity->y = 1.f; } Smooth_Step step_x = smooth_camera_step(pending_delta.x, velocity->x, 80.f, 1.f/2.f); Smooth_Step step_y = smooth_camera_step(pending_delta.y, velocity->y, 80.f, 1.f/2.f); *velocity = V2f32(step_x.v, step_y.v); return(V2f32(step_x.p, step_y.p)); } internal void set_all_default_hooks(Application_Links *app){ set_custom_hook(app, HookID_Exit, default_exit); set_custom_hook(app, HookID_BufferViewerUpdate, default_view_adjust); set_custom_hook(app, HookID_Start, default_start); set_custom_hook(app, HookID_OpenFile, default_file_settings); set_custom_hook(app, HookID_NewFile, default_new_file); set_custom_hook(app, HookID_SaveFile, default_file_save); set_custom_hook(app, HookID_FileEditRange, default_file_edit_range); set_custom_hook(app, HookID_FileExternallyModified, default_file_externally_modified); set_custom_hook(app, HookID_EndFile, end_file_close_jump_list); set_custom_hook(app, HookID_CommandCaller, default_command_caller); set_custom_hook(app, HookID_RenderCaller, default_render_caller); set_custom_hook(app, HookID_InputFilter, default_suppress_mouse_filter); set_custom_hook(app, HookID_ScrollRule, smooth_scroll_rule); set_custom_hook(app, HookID_BufferNameResolver, default_buffer_name_resolution); set_custom_hook(app, HookID_ModifyColorTable, default_modify_color_table); set_custom_hook(app, HookID_GetViewBufferRegion, default_view_buffer_region); } // BOTTOM