1103 lines
39 KiB
C++
1103 lines
39 KiB
C++
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 19.08.2015
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*
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* Viewing
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*
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*/
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// TOP
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internal i32
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view_get_map(View *view){
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if (view->transient.ui_mode){
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return(view->transient.ui_map_id);
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}
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else{
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return(view->transient.file_data.file->settings.base_map_id);
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}
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}
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internal View_And_ID
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live_set_alloc_view(Heap *heap, Lifetime_Allocator *lifetime_allocator, Live_Views *live_set, Panel *panel){
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Assert(live_set->count < live_set->max);
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++live_set->count;
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View_And_ID result = {};
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result.view = live_set->free_sentinel.transient.next;
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result.id = (i32)(result.view - live_set->views);
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Assert(result.id == result.view->persistent.id);
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result.view->transient.next->transient.prev = result.view->transient.prev;
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result.view->transient.prev->transient.next = result.view->transient.next;
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memset(&result.view->transient, 0, sizeof(result.view->transient));
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result.view->transient.in_use = true;
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panel->view = result.view;
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result.view->transient.panel = panel;
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init_query_set(&result.view->transient.query_set);
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result.view->transient.lifetime_object = lifetime_alloc_object(heap, lifetime_allocator, DynamicWorkspace_View, result.view);
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return(result);
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}
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inline void
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live_set_free_view(Heap *heap, Lifetime_Allocator *lifetime_allocator, Live_Views *live_set, View *view){
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Assert(live_set->count > 0);
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--live_set->count;
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if (view->transient.ui_control.items != 0){
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heap_free(heap, view->transient.ui_control.items);
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}
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view->transient.next = live_set->free_sentinel.transient.next;
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view->transient.prev = &live_set->free_sentinel;
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live_set->free_sentinel.transient.next = view;
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view->transient.next->transient.prev = view;
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view->transient.in_use = false;
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lifetime_free_object(heap, lifetime_allocator, view->transient.lifetime_object);
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}
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////////////////////////////////
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// TODO(allen): Switch over to using an i32 for these.
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inline f32
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view_width(View *view){
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i32_Rect file_rect = view->transient.file_region;
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f32 result = (f32)(file_rect.x1 - file_rect.x0);
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return (result);
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}
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inline f32
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view_height(View *view){
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i32_Rect file_rect = view->transient.file_region;
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f32 result = (f32)(file_rect.y1 - file_rect.y0);
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return (result);
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}
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inline Vec2
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view_get_cursor_xy(View *view){
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Full_Cursor *cursor = 0;
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if (view->transient.file_data.show_temp_highlight){
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cursor = &view->transient.file_data.temp_highlight;
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}
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else if (view->transient.edit_pos){
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cursor = &view->transient.edit_pos->cursor;
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}
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Assert(cursor != 0);
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Vec2 result;
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result.x = cursor->wrapped_x;
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result.y = cursor->wrapped_y;
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if (view->transient.file_data.file->settings.unwrapped_lines){
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result.x = cursor->unwrapped_x;
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result.y = cursor->unwrapped_y;
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}
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return(result);
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}
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inline Cursor_Limits
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view_cursor_limits(View *view){
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Cursor_Limits limits = {0};
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f32 line_height = (f32)view->transient.line_height;
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f32 visible_height = view_height(view);
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limits.max = visible_height - line_height*3.f;
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limits.min = line_height * 2;
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if (limits.max - limits.min <= line_height){
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if (visible_height >= line_height){
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limits.max = visible_height - line_height;
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limits.min = -line_height;
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}
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else{
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limits.max = visible_height;
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limits.min = -line_height;
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}
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}
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limits.max = (limits.max > 0)?(limits.max):(0);
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limits.min = (limits.min > 0)?(limits.min):(0);
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limits.delta = clamp_top(line_height*3.f, (limits.max - limits.min)*.5f);
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return(limits);
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}
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inline i32
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view_compute_max_target_y_from_bottom_y(View *view, f32 max_item_y){
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i32 line_height = view->transient.line_height;
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f32 height = clamp_bottom((f32)line_height, view_height(view));
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f32 max_target_y = clamp_bottom(0.f, max_item_y - height*0.5f);
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return(ceil32(max_target_y));
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}
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inline i32
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view_compute_max_target_y(View *view){
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i32 line_height = view->transient.line_height;
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Editing_File *file = view->transient.file_data.file;
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Gap_Buffer *buffer = &file->state.buffer;
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i32 lowest_line = buffer->line_count;
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if (!file->settings.unwrapped_lines){
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lowest_line = file->state.wrap_line_index[buffer->line_count];
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}
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return(view_compute_max_target_y_from_bottom_y(view, (lowest_line + 0.5f)*(f32)line_height));
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}
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inline u32
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view_lock_flags(View *view){
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u32 result = AccessOpen;
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File_Viewing_Data *data = &view->transient.file_data;
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if (view->transient.ui_mode){
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result |= AccessHidden;
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}
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if (data->file_locked || (data->file && data->file->settings.read_only)){
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result |= AccessProtected;
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}
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return(result);
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}
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////////////////////////////////
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internal b32
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view_move_view_to_cursor(View *view, GUI_Scroll_Vars *scroll, b32 center_view){
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b32 result = 0;
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f32 max_x = view_width(view);
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i32 max_y = view_compute_max_target_y(view);
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Vec2 cursor = view_get_cursor_xy(view);
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GUI_Scroll_Vars scroll_vars = *scroll;
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i32 target_x = scroll_vars.target_x;
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i32 target_y = scroll_vars.target_y;
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Cursor_Limits limits = view_cursor_limits(view);
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if (cursor.y > target_y + limits.max){
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if (center_view){
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target_y = round32(cursor.y - limits.max*.5f);
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}
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else{
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target_y = ceil32(cursor.y - limits.max + limits.delta);
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}
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}
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if (cursor.y < target_y + limits.min){
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if (center_view){
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target_y = round32(cursor.y - limits.max*.5f);
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}
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else{
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target_y = floor32(cursor.y - limits.delta - limits.min);
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}
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}
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target_y = clamp(0, target_y, max_y);
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if (cursor.x >= target_x + max_x){
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target_x = ceil32(cursor.x - max_x/2);
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}
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else if (cursor.x < target_x){
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target_x = floor32(Max(0, cursor.x - max_x/2));
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}
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if (target_x != scroll_vars.target_x || target_y != scroll_vars.target_y){
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scroll->target_x = target_x;
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scroll->target_y = target_y;
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result = 1;
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}
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return(result);
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}
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internal b32
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view_move_cursor_to_view(System_Functions *system, View *view, GUI_Scroll_Vars scroll, Full_Cursor *cursor, f32 preferred_x){
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b32 result = false;
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if (view->transient.edit_pos){
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i32 line_height = view->transient.line_height;
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f32 old_cursor_y = cursor->wrapped_y;
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Editing_File *file = view->transient.file_data.file;
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if (file->settings.unwrapped_lines){
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old_cursor_y = cursor->unwrapped_y;
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}
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f32 cursor_y = old_cursor_y;
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f32 target_y = scroll.target_y + view->transient.widget_height;
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Cursor_Limits limits = view_cursor_limits(view);
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if (cursor_y > target_y + limits.max){
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cursor_y = target_y + limits.max;
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}
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if (target_y != 0 && cursor_y < target_y + limits.min){
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cursor_y = target_y + limits.min;
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}
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if (cursor_y != old_cursor_y){
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if (cursor_y > old_cursor_y){
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cursor_y += line_height;
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}
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else{
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cursor_y -= line_height;
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}
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Buffer_Seek seek = seek_xy(preferred_x, cursor_y, false, file->settings.unwrapped_lines);
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*cursor = file_compute_cursor(system, file, seek, false);
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result = true;
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}
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}
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return(result);
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}
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internal void
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view_set_cursor(View *view, Full_Cursor cursor, b32 set_preferred_x, b32 unwrapped_lines){
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if (edit_pos_move_to_front(view->transient.file_data.file, view->transient.edit_pos)){
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edit_pos_set_cursor(view->transient.edit_pos, cursor, set_preferred_x, unwrapped_lines);
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GUI_Scroll_Vars scroll = view->transient.edit_pos->scroll;
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if (view_move_view_to_cursor(view, &scroll, 0)){
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view->transient.edit_pos->scroll = scroll;
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}
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}
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}
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internal void
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view_set_scroll(System_Functions *system, View *view, GUI_Scroll_Vars scroll){
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if (edit_pos_move_to_front(view->transient.file_data.file, view->transient.edit_pos)){
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edit_pos_set_scroll(view->transient.edit_pos, scroll);
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Full_Cursor cursor = view->transient.edit_pos->cursor;
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if (view_move_cursor_to_view(system, view, view->transient.edit_pos->scroll, &cursor, view->transient.edit_pos->preferred_x)){
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view->transient.edit_pos->cursor = cursor;
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}
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}
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}
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internal void
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view_set_cursor_and_scroll(View *view, Full_Cursor cursor, b32 set_preferred_x, b32 unwrapped_lines, GUI_Scroll_Vars scroll){
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File_Edit_Positions *edit_pos = view->transient.edit_pos;
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if (edit_pos_move_to_front(view->transient.file_data.file, edit_pos)){
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edit_pos_set_cursor(edit_pos, cursor, set_preferred_x, unwrapped_lines);
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edit_pos_set_scroll(edit_pos, scroll);
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edit_pos->last_set_type = EditPos_None;
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}
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}
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internal Relative_Scrolling
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view_get_relative_scrolling(View *view){
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Relative_Scrolling result = {0};
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if (view->transient.edit_pos != 0){
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Vec2 cursor = view_get_cursor_xy(view);
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result.scroll_y = cursor.y - view->transient.edit_pos->scroll.scroll_y;
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result.target_y = cursor.y - view->transient.edit_pos->scroll.target_y;
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}
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return(result);
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}
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internal void
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view_set_relative_scrolling(View *view, Relative_Scrolling scrolling){
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Vec2 cursor = view_get_cursor_xy(view);
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if (view->transient.edit_pos != 0){
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view->transient.edit_pos->scroll.scroll_y = cursor.y - scrolling.scroll_y;
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view->transient.edit_pos->scroll.target_y = round32(clamp_bottom(0.f, cursor.y - scrolling.target_y));
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}
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}
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inline void
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view_cursor_move(System_Functions *system, View *view, i32 pos){
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Editing_File *file = view->transient.file_data.file;
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Assert(file != 0);
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Full_Cursor cursor = file_compute_cursor(system, file, seek_pos(pos), 0);
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view_set_cursor(view, cursor, true, file->settings.unwrapped_lines);
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view->transient.file_data.show_temp_highlight = false;
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}
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inline void
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view_set_temp_highlight(System_Functions *system, View *view, i32 pos, i32 end_pos){
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Editing_File *file = view->transient.file_data.file;
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Assert(file != 0);
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view->transient.file_data.temp_highlight = file_compute_cursor(system, file, seek_pos(pos), 0);
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view->transient.file_data.temp_highlight_end_pos = end_pos;
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view->transient.file_data.show_temp_highlight = true;
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view_set_cursor(view, view->transient.file_data.temp_highlight, 0, file->settings.unwrapped_lines);
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}
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inline void
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view_post_paste_effect(View *view, f32 seconds, i32 start, i32 size, u32 color){
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Editing_File *file = view->transient.file_data.file;
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file->state.paste_effect.start = start;
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file->state.paste_effect.end = start + size;
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file->state.paste_effect.color = color;
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file->state.paste_effect.seconds_down = seconds;
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file->state.paste_effect.seconds_max = seconds;
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}
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////////////////////////////////
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internal void
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view_set_file(System_Functions *system, Models *models, View *view, Editing_File *file){
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Assert(file != 0);
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if (view->transient.file_data.file != 0){
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touch_file(&models->working_set, view->transient.file_data.file);
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}
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File_Edit_Positions *edit_pos = view->transient.edit_pos;
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if (edit_pos != 0){
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edit_pos_unset(view->transient.file_data.file, edit_pos);
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edit_pos = 0;
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}
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memset(&view->transient.file_data, 0, sizeof(view->transient.file_data));
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view->transient.file_data.file = file;
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edit_pos = edit_pos_get_new(file, view->persistent.id);
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view->transient.edit_pos = edit_pos;
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Font_Pointers font = system->font.get_pointers_by_id(file->settings.font_id);
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view->transient.line_height = font.metrics->height;
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if (edit_pos->cursor.line == 0){
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view_cursor_move(system, view, 0);
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}
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}
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////////////////////////////////
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internal b32
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file_is_viewed(Editing_Layout *layout, Editing_File *file){
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b32 is_viewed = false;
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for (Panel *panel = layout->used_sentinel.next;
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panel != &layout->used_sentinel;
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panel = panel->next){
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View *view = panel->view;
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if (view->transient.file_data.file == file){
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is_viewed = true;
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break;
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}
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}
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return(is_viewed);
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}
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internal void
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adjust_views_looking_at_file_to_new_cursor(System_Functions *system, Models *models, Editing_File *file){
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Editing_Layout *layout = &models->layout;
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for (Panel *panel = layout->used_sentinel.next;
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panel != &layout->used_sentinel;
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panel = panel->next){
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View *view = panel->view;
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if (view->transient.file_data.file == file){
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if (!view->transient.file_data.show_temp_highlight){
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Assert(view->transient.edit_pos != 0);
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i32 pos = view->transient.edit_pos->cursor.pos;
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Full_Cursor cursor = file_compute_cursor(system, file, seek_pos(pos), 0);
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view_set_cursor(view, cursor, 1, file->settings.unwrapped_lines);
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}
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else{
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i32 pos = view->transient.file_data.temp_highlight.pos;
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i32 end = view->transient.file_data.temp_highlight_end_pos;
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view_set_temp_highlight(system, view, pos, end);
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}
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}
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}
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}
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internal void
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file_full_remeasure(System_Functions *system, Models *models, Editing_File *file){
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Face_ID font_id = file->settings.font_id;
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Font_Pointers font = system->font.get_pointers_by_id(font_id);
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file_measure_wraps(system, &models->mem, file, font);
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adjust_views_looking_at_file_to_new_cursor(system, models, file);
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Editing_Layout *layout = &models->layout;
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for (Panel *panel = layout->used_sentinel.next;
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panel != &layout->used_sentinel;
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panel = panel->next){
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View *view = panel->view;
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if (view->transient.file_data.file == file){
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view->transient.line_height = font.metrics->height;
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}
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}
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}
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internal void
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file_set_font(System_Functions *system, Models *models, Editing_File *file, Face_ID font_id){
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file->settings.font_id = font_id;
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file_full_remeasure(system, models, file);
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}
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internal void
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global_set_font_and_update_files(System_Functions *system, Models *models, Face_ID font_id){
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for (File_Node *node = models->working_set.used_sentinel.next;
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node != &models->working_set.used_sentinel;
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node = node->next){
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Editing_File *file = (Editing_File*)node;
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file_set_font(system, models, file, font_id);
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}
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models->global_font_id = font_id;
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}
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internal b32
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alter_font_and_update_files(System_Functions *system, Models *models, Face_ID font_id, Font_Settings *new_settings){
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b32 success = false;
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if (system->font.face_change_settings(font_id, new_settings)){
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success = true;
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for (File_Node *node = models->working_set.used_sentinel.next;
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node != &models->working_set.used_sentinel;
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node = node->next){
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Editing_File *file = (Editing_File*)node;
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if (file->settings.font_id == font_id){
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file_full_remeasure(system, models, file);
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}
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}
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}
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return(success);
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}
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internal b32
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release_font_and_update_files(System_Functions *system, Models *models, Face_ID font_id, Face_ID replacement_id){
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b32 success = false;
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if (system->font.face_release(font_id)){
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Font_Pointers font = system->font.get_pointers_by_id(replacement_id);
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if (!font.valid){
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Face_ID largest_id = system->font.get_largest_id();
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for (replacement_id = 1; replacement_id <= largest_id && replacement_id > 0; ++replacement_id){
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font = system->font.get_pointers_by_id(replacement_id);
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if (font.valid){
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|
break;
|
|
}
|
|
}
|
|
Assert(replacement_id <= largest_id && replacement_id > 0);
|
|
}
|
|
success = true;
|
|
for (File_Node *node = models->working_set.used_sentinel.next;
|
|
node != &models->working_set.used_sentinel;
|
|
node = node->next){
|
|
Editing_File *file = (Editing_File*)node;
|
|
if (file->settings.font_id == font_id){
|
|
file_set_font(system, models, file, replacement_id);
|
|
}
|
|
}
|
|
}
|
|
return(success);
|
|
}
|
|
|
|
////////////////////////////////
|
|
|
|
internal void
|
|
get_visual_markers(Partition *arena, Dynamic_Workspace *workspace, i32 *range_counter_ptr,
|
|
Range range, Buffer_ID buffer_id, i32 view_index){
|
|
View_ID view_id = view_index + 1;
|
|
for (Managed_Buffer_Markers_Header *node = workspace->buffer_markers_list.first;
|
|
node != 0;
|
|
node = node->next){
|
|
if (node->marker_type == BufferMarkersType_Invisible) continue;
|
|
if (node->buffer_id != buffer_id) continue;
|
|
if (node->key_view_id != 0 && node->key_view_id != view_id) continue;
|
|
|
|
Managed_Buffer_Markers_Type marker_type = node->marker_type;
|
|
u32 color = node->color;
|
|
u32 text_color = node->text_color;
|
|
|
|
Marker *markers = (Marker*)(node + 1);
|
|
Assert(sizeof(*markers) == node->std_header.item_size);
|
|
i32 count = node->std_header.count;
|
|
|
|
if (marker_type != BufferMarkersType_CharacterHighlightRanges){
|
|
Marker *marker = markers;
|
|
for (i32 i = 0; i < count; i += 1, marker += 1){
|
|
if (range.first <= marker->pos &&
|
|
marker->pos <= range.one_past_last){
|
|
Render_Marker *render_marker = push_array(arena, Render_Marker, 1);
|
|
render_marker->type = marker_type;
|
|
render_marker->pos = marker->pos;
|
|
render_marker->color = color;
|
|
render_marker->text_color = text_color;
|
|
render_marker->range_id = -1;
|
|
}
|
|
}
|
|
}
|
|
else{
|
|
Marker *marker = markers;
|
|
for (i32 i = 0; i + 1 < count; i += 2, marker += 2){
|
|
Range range_b = {0};
|
|
range_b.first = marker[0].pos;
|
|
range_b.one_past_last = marker[1].pos;
|
|
|
|
if (range_b.first >= range_b.one_past_last) continue;
|
|
if (!((range.min - range_b.max <= 0) &&
|
|
(range.max - range_b.min >= 0))) continue;
|
|
|
|
i32 range_id = *range_counter_ptr;
|
|
*range_counter_ptr += 2;
|
|
for (i32 j = 0; j < 2; j += 1){
|
|
Render_Marker *render_marker = push_array(arena, Render_Marker, 1);
|
|
render_marker->type = marker_type;
|
|
render_marker->pos = marker[j].pos;
|
|
render_marker->color = color;
|
|
render_marker->text_color = text_color;
|
|
render_marker->range_id = range_id + j;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
internal void
|
|
visual_markers_segment_sort(Render_Marker *markers, i32 first, i32 one_past_last, Range *ranges_out){
|
|
// NOTE(allen): This sort only works for a two segment sort, if we end up wanting more segments,
|
|
// scrap it and try again.
|
|
i32 i1 = first;
|
|
i32 i0 = one_past_last - 1;
|
|
for (;;){
|
|
for (; i1 < one_past_last && markers[i1].type != BufferMarkersType_LineHighlights; i1 += 1);
|
|
for (; i0 >= 0 && markers[i0].type == BufferMarkersType_LineHighlights; i0 -= 1);
|
|
if (i1 < i0){
|
|
Swap(Render_Marker, markers[i0], markers[i1]);
|
|
}
|
|
else{
|
|
break;
|
|
}
|
|
}
|
|
ranges_out[0].first = 0;
|
|
ranges_out[0].one_past_last = i1;
|
|
ranges_out[1].first = i1;
|
|
ranges_out[1].one_past_last = one_past_last;
|
|
}
|
|
|
|
internal void
|
|
visual_markers_quick_sort(Render_Marker *markers, i32 first, i32 one_past_last){
|
|
if (first + 1 < one_past_last){
|
|
i32 pivot_index = one_past_last - 1;
|
|
{
|
|
b32 go_left = false;
|
|
i32 pivot_key = markers[pivot_index].pos;
|
|
i32 j = first;
|
|
for (i32 i = first; i < pivot_index; i += 1){
|
|
i32 key = markers[i].pos;
|
|
b32 swap_in = false;
|
|
if (key < pivot_key){
|
|
swap_in = true;
|
|
}
|
|
else if (key == pivot_key){
|
|
if (go_left){
|
|
swap_in = true;
|
|
}
|
|
go_left = !go_left;
|
|
}
|
|
if (swap_in){
|
|
Swap(Render_Marker, markers[i], markers[j]);
|
|
j += 1;
|
|
}
|
|
}
|
|
Swap(Render_Marker, markers[j], markers[pivot_index]);
|
|
pivot_index = j;
|
|
}
|
|
visual_markers_quick_sort(markers, first, pivot_index);
|
|
visual_markers_quick_sort(markers, pivot_index + 1, one_past_last);
|
|
}
|
|
}
|
|
|
|
internal void
|
|
visual_markers_replace_pos_with_first_byte_of_line(Render_Marker_Array markers, i32 *line_starts, i32 line_count, i32 hint_line_index){
|
|
if (markers.count > 0){
|
|
Assert(0 <= hint_line_index && hint_line_index < line_count);
|
|
Assert(line_starts[hint_line_index] <= markers.markers[0].pos);
|
|
i32 marker_scan_index = 0;
|
|
for (i32 line_scan_index = hint_line_index;; line_scan_index += 1){
|
|
Assert(line_scan_index < line_count);
|
|
i32 look_ahead_line_index = line_scan_index + 1;
|
|
i32 first_byte_index_of_next_line = 0;
|
|
if (look_ahead_line_index < line_count){
|
|
first_byte_index_of_next_line = line_starts[look_ahead_line_index];
|
|
}
|
|
else{
|
|
first_byte_index_of_next_line = max_i32;
|
|
}
|
|
i32 first_byte_index_of_this_line = line_starts[line_scan_index];
|
|
for (;(marker_scan_index < markers.count &&
|
|
markers.markers[marker_scan_index].pos < first_byte_index_of_next_line);
|
|
marker_scan_index += 1){
|
|
markers.markers[marker_scan_index].pos = first_byte_index_of_this_line;
|
|
}
|
|
if (marker_scan_index == markers.count){
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
internal void
|
|
render_loaded_file_in_view(System_Functions *system, View *view, Models *models,
|
|
i32_Rect rect, b32 is_active, Render_Target *target){
|
|
Editing_File *file = view->transient.file_data.file;
|
|
Style *style = &models->styles.styles[0];
|
|
i32 line_height = view->transient.line_height;
|
|
|
|
f32 max_x = (f32)file->settings.display_width;
|
|
i32 max_y = rect.y1 - rect.y0 + line_height;
|
|
|
|
Assert(file != 0);
|
|
Assert(!file->is_dummy);
|
|
Assert(buffer_good(&file->state.buffer));
|
|
Assert(view->transient.edit_pos != 0);
|
|
|
|
b32 tokens_use = 0;
|
|
Cpp_Token_Array token_array = {};
|
|
if (file){
|
|
tokens_use = file->state.tokens_complete && (file->state.token_array.count > 0);
|
|
token_array = file->state.token_array;
|
|
}
|
|
|
|
Partition *part = &models->mem.part;
|
|
Temp_Memory temp = begin_temp_memory(part);
|
|
|
|
partition_align(part, 4);
|
|
|
|
f32 left_side_space = 0;
|
|
|
|
i32 max = partition_remaining(part)/sizeof(Buffer_Render_Item);
|
|
Buffer_Render_Item *items = push_array(part, Buffer_Render_Item, 0);
|
|
|
|
Face_ID font_id = file->settings.font_id;
|
|
Font_Pointers font = system->font.get_pointers_by_id(font_id);
|
|
|
|
f32 scroll_x = view->transient.edit_pos->scroll.scroll_x;
|
|
f32 scroll_y = view->transient.edit_pos->scroll.scroll_y;
|
|
|
|
// NOTE(allen): For now we will temporarily adjust scroll_y to try
|
|
// to prevent the view moving around until floating sections are added
|
|
// to the gui system.
|
|
scroll_y += view->transient.widget_height;
|
|
|
|
Full_Cursor render_cursor = {0};
|
|
if (!file->settings.unwrapped_lines){
|
|
render_cursor = file_compute_cursor(system, file, seek_wrapped_xy(0, scroll_y, 0), true);
|
|
}
|
|
else{
|
|
render_cursor = file_compute_cursor(system, file, seek_unwrapped_xy(0, scroll_y, 0), true);
|
|
}
|
|
|
|
view->transient.edit_pos->scroll_i = render_cursor.pos;
|
|
|
|
b32 wrapped = !file->settings.unwrapped_lines;
|
|
|
|
i32 count = 0;
|
|
i32 end_pos = 0;
|
|
{
|
|
Buffer_Render_Params params;
|
|
params.buffer = &file->state.buffer;
|
|
params.items = items;
|
|
params.max = max;
|
|
params.count = &count;
|
|
params.port_x = (f32)rect.x0 + left_side_space;
|
|
params.port_y = (f32)rect.y0;
|
|
params.clip_w = view_width(view) - left_side_space;
|
|
params.scroll_x = scroll_x;
|
|
params.scroll_y = scroll_y;
|
|
params.width = max_x;
|
|
params.height = (f32)max_y;
|
|
params.start_cursor = render_cursor;
|
|
params.wrapped = wrapped;
|
|
params.system = system;
|
|
params.font = font;
|
|
params.virtual_white = file->settings.virtual_white;
|
|
params.wrap_slashes = file->settings.wrap_indicator;
|
|
|
|
Buffer_Render_State state = {0};
|
|
Buffer_Layout_Stop stop = {0};
|
|
|
|
f32 line_shift = 0.f;
|
|
b32 do_wrap = 0;
|
|
i32 wrap_unit_end = 0;
|
|
|
|
b32 first_wrap_determination = 1;
|
|
i32 wrap_array_index = 0;
|
|
|
|
do{
|
|
stop = buffer_render_data(&state, params, line_shift, do_wrap, wrap_unit_end);
|
|
switch (stop.status){
|
|
case BLStatus_NeedWrapDetermination:
|
|
{
|
|
if (first_wrap_determination){
|
|
wrap_array_index = binary_search(file->state.wrap_positions, stop.pos, 0, file->state.wrap_position_count);
|
|
++wrap_array_index;
|
|
if (file->state.wrap_positions[wrap_array_index] == stop.pos){
|
|
do_wrap = 1;
|
|
wrap_unit_end = file->state.wrap_positions[wrap_array_index];
|
|
}
|
|
else{
|
|
do_wrap = 0;
|
|
wrap_unit_end = file->state.wrap_positions[wrap_array_index];
|
|
}
|
|
first_wrap_determination = 0;
|
|
}
|
|
else{
|
|
Assert(stop.pos == wrap_unit_end);
|
|
do_wrap = 1;
|
|
++wrap_array_index;
|
|
wrap_unit_end = file->state.wrap_positions[wrap_array_index];
|
|
}
|
|
}break;
|
|
|
|
case BLStatus_NeedWrapLineShift:
|
|
case BLStatus_NeedLineShift:
|
|
{
|
|
line_shift = file->state.line_indents[stop.wrap_line_index];
|
|
}break;
|
|
}
|
|
}while(stop.status != BLStatus_Finished);
|
|
|
|
end_pos = state.i;
|
|
}
|
|
push_array(part, Buffer_Render_Item, count);
|
|
|
|
// NOTE(allen): Get visual markers
|
|
Render_Marker_Array markers = {0};
|
|
markers.markers = push_array(part, Render_Marker, 0);
|
|
{
|
|
Lifetime_Object *lifetime_object = file->lifetime_object;
|
|
Range range = {0};
|
|
range.first = render_cursor.pos;
|
|
range.one_past_last = end_pos;
|
|
Buffer_ID buffer_id = file->id.id;
|
|
i32 view_index = view->persistent.id;
|
|
|
|
i32 range_counter = 0;
|
|
get_visual_markers(part, &lifetime_object->workspace, &range_counter,
|
|
range, buffer_id, view_index);
|
|
|
|
i32 key_count = lifetime_object->key_count;
|
|
i32 key_index = 0;
|
|
for (Lifetime_Key_Ref_Node *node = lifetime_object->key_node_first;
|
|
node != 0;
|
|
node = node->next){
|
|
i32 local_count = clamp_top(lifetime_key_reference_per_node, key_count - key_index);
|
|
for (i32 i = 0; i < local_count; i += 1){
|
|
Lifetime_Key *key = node->keys[i];
|
|
get_visual_markers(part, &key->dynamic_workspace, &range_counter,
|
|
range, buffer_id, view_index);
|
|
}
|
|
key_index += count;
|
|
}
|
|
}
|
|
markers.count = (i32)(push_array(part, Render_Marker, 0) - markers.markers);
|
|
|
|
// NOTE(allen): Sort visual markers by position
|
|
Range marker_segments[2];
|
|
visual_markers_segment_sort(markers.markers, 0, markers.count, marker_segments);
|
|
for (i32 i = 0; i < ArrayCount(marker_segments); i += 1){
|
|
visual_markers_quick_sort(markers.markers, marker_segments[i].first, marker_segments[i].one_past_last);
|
|
}
|
|
|
|
Render_Marker_Array character_markers = {0};
|
|
character_markers.markers = markers.markers + marker_segments[0].first;
|
|
character_markers.count = marker_segments[0].one_past_last - marker_segments[0].first;
|
|
|
|
Render_Marker_Array line_markers = {0};
|
|
line_markers.markers = markers.markers + marker_segments[1].first;
|
|
line_markers.count = marker_segments[1].one_past_last - marker_segments[1].first;
|
|
|
|
i32 *line_starts = file->state.buffer.line_starts;
|
|
i32 line_count = file->state.buffer.line_count;
|
|
i32 line_scan_index = render_cursor.line - 1;
|
|
i32 first_byte_index_of_next_line = 0;
|
|
if (line_scan_index + 1 < line_count){
|
|
first_byte_index_of_next_line = line_starts[line_scan_index + 1];
|
|
}
|
|
else{
|
|
first_byte_index_of_next_line = max_i32;
|
|
}
|
|
|
|
i32 *wrap_starts = file->state.wrap_positions;
|
|
i32 wrap_count = file->state.wrap_position_count;
|
|
i32 wrap_scan_index = render_cursor.wrap_line - render_cursor.line;
|
|
i32 first_byte_index_of_next_wrap = 0;
|
|
if (wrap_scan_index + 1 < wrap_count){
|
|
first_byte_index_of_next_wrap = wrap_starts[wrap_scan_index + 1];
|
|
}
|
|
else{
|
|
first_byte_index_of_next_wrap = max_i32;
|
|
}
|
|
|
|
visual_markers_replace_pos_with_first_byte_of_line(line_markers, line_starts, line_count, line_scan_index);
|
|
|
|
i32 visual_markers_scan_index = 0;
|
|
i32 visual_markers_range_id = -1;
|
|
u32 visual_markers_range_color = 0;
|
|
|
|
i32 visual_line_markers_scan_index = 0;
|
|
u32 visual_line_markers_color = 0;
|
|
|
|
i32 cursor_begin = 0;
|
|
i32 cursor_end = 0;
|
|
u32 cursor_color = 0;
|
|
u32 at_cursor_color = 0;
|
|
if (view->transient.file_data.show_temp_highlight){
|
|
cursor_begin = view->transient.file_data.temp_highlight.pos;
|
|
cursor_end = view->transient.file_data.temp_highlight_end_pos;
|
|
cursor_color = style->main.highlight_color;
|
|
at_cursor_color = style->main.at_highlight_color;
|
|
}
|
|
else{
|
|
cursor_begin = view->transient.edit_pos->cursor.pos;
|
|
cursor_end = cursor_begin + 1;
|
|
cursor_color = style->main.cursor_color;
|
|
at_cursor_color = style->main.at_cursor_color;
|
|
}
|
|
|
|
i32 token_i = 0;
|
|
u32 main_color = style->main.default_color;
|
|
u32 special_color = style->main.special_character_color;
|
|
u32 ghost_color = style->main.ghost_character_color;
|
|
if (tokens_use){
|
|
Cpp_Get_Token_Result result = cpp_get_token(token_array, items->index);
|
|
main_color = *style_get_color(style, token_array.tokens[result.token_index]);
|
|
token_i = result.token_index + 1;
|
|
}
|
|
|
|
u32 mark_color = style->main.mark_color;
|
|
Buffer_Render_Item *item = items;
|
|
Buffer_Render_Item *item_end = item + count;
|
|
i32 prev_ind = -1;
|
|
u32 highlight_color = 0;
|
|
|
|
for (; item < item_end; ++item){
|
|
i32 ind = item->index;
|
|
|
|
// NOTE(allen): Line scanning
|
|
b32 is_new_line = false;
|
|
for (; line_scan_index < line_count;){
|
|
if (ind < first_byte_index_of_next_line){
|
|
break;
|
|
}
|
|
line_scan_index += 1;
|
|
is_new_line = true;
|
|
if (line_scan_index + 1 < line_count){
|
|
first_byte_index_of_next_line = line_starts[line_scan_index + 1];
|
|
}
|
|
else{
|
|
first_byte_index_of_next_line = max_i32;
|
|
}
|
|
}
|
|
if (item == items){
|
|
is_new_line = true;
|
|
}
|
|
|
|
// NOTE(allen): Wrap scanning
|
|
b32 is_new_wrap = false;
|
|
if (wrapped){
|
|
for (; wrap_scan_index < wrap_count;){
|
|
if (ind < first_byte_index_of_next_wrap){
|
|
break;
|
|
}
|
|
wrap_scan_index += 1;
|
|
is_new_wrap = true;
|
|
if (wrap_scan_index + 1 < wrap_count){
|
|
first_byte_index_of_next_wrap = wrap_starts[wrap_scan_index + 1];
|
|
}
|
|
else{
|
|
first_byte_index_of_next_wrap = max_i32;
|
|
}
|
|
}
|
|
}
|
|
|
|
// NOTE(allen): Token scanning
|
|
u32 highlight_this_color = 0;
|
|
if (tokens_use && ind != prev_ind){
|
|
Cpp_Token current_token = token_array.tokens[token_i-1];
|
|
|
|
if (token_i < token_array.count){
|
|
if (ind >= token_array.tokens[token_i].start){
|
|
for (;token_i < token_array.count && ind >= token_array.tokens[token_i].start; ++token_i){
|
|
main_color = *style_get_color(style, token_array.tokens[token_i]);
|
|
current_token = token_array.tokens[token_i];
|
|
}
|
|
}
|
|
else if (ind >= current_token.start + current_token.size){
|
|
main_color = style->main.default_color;
|
|
}
|
|
}
|
|
|
|
if (current_token.type == CPP_TOKEN_JUNK && ind >= current_token.start && ind < current_token.start + current_token.size){
|
|
highlight_color = style->main.highlight_junk_color;
|
|
}
|
|
else{
|
|
highlight_color = 0;
|
|
}
|
|
}
|
|
|
|
u32 char_color = main_color;
|
|
if (item->flags & BRFlag_Special_Character){
|
|
char_color = special_color;
|
|
}
|
|
else if (item->flags & BRFlag_Ghost_Character){
|
|
char_color = ghost_color;
|
|
}
|
|
|
|
f32_Rect char_rect = f32R(item->x0, item->y0, item->x1, item->y1);
|
|
|
|
if (view->transient.file_data.show_whitespace && highlight_color == 0 && codepoint_is_whitespace(item->codepoint)){
|
|
highlight_this_color = style->main.highlight_white_color;
|
|
}
|
|
else{
|
|
highlight_this_color = highlight_color;
|
|
}
|
|
|
|
// NOTE(allen): Line marker colors
|
|
if (is_new_line){
|
|
visual_line_markers_color = 0;
|
|
}
|
|
|
|
for (;visual_line_markers_scan_index < line_markers.count &&
|
|
line_markers.markers[visual_line_markers_scan_index].pos <= ind;
|
|
visual_line_markers_scan_index += 1){
|
|
Render_Marker *marker = &line_markers.markers[visual_line_markers_scan_index];
|
|
Assert(marker->type == BufferMarkersType_LineHighlights);
|
|
visual_line_markers_color = marker->color;
|
|
}
|
|
|
|
u32 marker_line_highlight = 0;
|
|
if (is_new_line || is_new_wrap){
|
|
marker_line_highlight = visual_line_markers_color;
|
|
}
|
|
|
|
// NOTE(allen): Visual marker colors
|
|
u32 marker_highlight = 0;
|
|
u32 marker_wireframe = 0;
|
|
u32 marker_ibar = 0;
|
|
for (;visual_markers_scan_index < character_markers.count &&
|
|
character_markers.markers[visual_markers_scan_index].pos <= ind;
|
|
visual_markers_scan_index += 1){
|
|
Render_Marker *marker = &character_markers.markers[visual_markers_scan_index];
|
|
switch (marker->type){
|
|
case BufferMarkersType_CharacterBlocks:
|
|
{
|
|
marker_highlight = marker->color;
|
|
}break;
|
|
|
|
case BufferMarkersType_CharacterHighlightRanges:
|
|
{
|
|
if (marker->range_id&1){
|
|
if (visual_markers_range_id == marker->range_id - 1){
|
|
visual_markers_range_id = -1;
|
|
}
|
|
}
|
|
else{
|
|
visual_markers_range_id = marker->range_id;
|
|
visual_markers_range_color = marker->color;
|
|
}
|
|
}break;
|
|
|
|
case BufferMarkersType_CharacterWireFrames:
|
|
{
|
|
marker_wireframe = marker->color;
|
|
}break;
|
|
|
|
case BufferMarkersType_CharacterIBars:
|
|
{
|
|
marker_ibar = marker->color;
|
|
}break;
|
|
|
|
default:
|
|
{
|
|
InvalidCodePath;
|
|
}break;
|
|
}
|
|
}
|
|
if (visual_markers_range_id != -1 &&
|
|
marker_highlight == 0){
|
|
marker_highlight = visual_markers_range_color;
|
|
char_color = at_cursor_color;
|
|
}
|
|
|
|
// NOTE(allen): Perform highlight, wireframe, and ibar renders
|
|
u32 color_highlight = 0;
|
|
u32 color_wireframe = 0;
|
|
u32 color_ibar = 0;
|
|
|
|
if (ind == view->transient.edit_pos->mark && prev_ind != ind){
|
|
if (color_wireframe == 0){
|
|
color_wireframe = mark_color;
|
|
}
|
|
}
|
|
if (cursor_begin <= ind && ind < cursor_end && (ind != prev_ind || cursor_begin < ind)){
|
|
if (is_active){
|
|
if (color_highlight == 0){
|
|
color_highlight = cursor_color;
|
|
}
|
|
char_color = at_cursor_color;
|
|
}
|
|
else{
|
|
if (!view->transient.file_data.show_temp_highlight){
|
|
if (color_wireframe == 0){
|
|
color_wireframe = cursor_color;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (marker_highlight != 0){
|
|
if (color_highlight == 0){
|
|
color_highlight = marker_highlight;
|
|
}
|
|
}
|
|
if (marker_wireframe != 0){
|
|
if (color_wireframe == 0){
|
|
color_wireframe = marker_wireframe;
|
|
}
|
|
}
|
|
if (marker_ibar != 0){
|
|
if (color_ibar == 0){
|
|
color_ibar = marker_ibar;
|
|
}
|
|
}
|
|
if (highlight_this_color != 0){
|
|
if (color_highlight == 0){
|
|
color_highlight = highlight_this_color;
|
|
}
|
|
}
|
|
|
|
if (marker_line_highlight != 0){
|
|
f32_Rect line_rect = f32R((f32)rect.x0, char_rect.y0, (f32)rect.x1, char_rect.y1);
|
|
draw_rectangle(target, line_rect, marker_line_highlight);
|
|
}
|
|
if (color_highlight != 0){
|
|
draw_rectangle(target, char_rect, color_highlight);
|
|
}
|
|
|
|
u32 fade_color = 0xFFFF00FF;
|
|
f32 fade_amount = 0.f;
|
|
if (file->state.paste_effect.seconds_down > 0.f &&
|
|
file->state.paste_effect.start <= ind &&
|
|
ind < file->state.paste_effect.end){
|
|
fade_color = file->state.paste_effect.color;
|
|
fade_amount = file->state.paste_effect.seconds_down;
|
|
fade_amount /= file->state.paste_effect.seconds_max;
|
|
}
|
|
char_color = color_blend(char_color, fade_amount, fade_color);
|
|
if (item->codepoint != 0){
|
|
draw_font_glyph(target, font_id, item->codepoint, item->x0, item->y0, char_color);
|
|
}
|
|
|
|
if (color_wireframe != 0){
|
|
draw_rectangle_outline(target, char_rect, color_wireframe);
|
|
}
|
|
if (color_ibar != 0){
|
|
f32_Rect ibar_rect = f32R(char_rect.x0, char_rect.y0, char_rect.x0 + 1, char_rect.y1);
|
|
draw_rectangle_outline(target, ibar_rect, color_ibar);
|
|
}
|
|
|
|
prev_ind = ind;
|
|
}
|
|
|
|
end_temp_memory(temp);
|
|
}
|
|
|
|
// BOTTOM
|
|
|