497 lines
16 KiB
C++
497 lines
16 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 Command_Map_ID
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view_get_map(View *view){
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if (view->ui_mode){
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return(view->ui_map_id);
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}
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else{
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return(view->file->settings.base_map_id);
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}
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}
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internal u32
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view_get_access_flags(View *view){
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u32 result = AccessOpen;
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if (view->ui_mode){
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result |= AccessHidden;
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}
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result |= file_get_access_flags(view->file);
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return(result);
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}
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internal i32
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view_get_index(Live_Views *live_set, View *view){
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return((i32)(view - live_set->views));
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}
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internal View_ID
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view_get_id(Live_Views *live_set, View *view){
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return((View_ID)(view - live_set->views) + 1);
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}
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internal View*
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live_set_alloc_view(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 *result = live_set->free_sentinel.next;
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dll_remove(result);
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block_zero_struct(result);
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result->in_use = true;
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init_query_set(&result->query_set);
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result->lifetime_object = lifetime_alloc_object(lifetime_allocator, DynamicWorkspace_View, result);
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panel->view = result;
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result->panel = panel;
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return(result);
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}
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internal void
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live_set_free_view(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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view->next = live_set->free_sentinel.next;
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view->prev = &live_set->free_sentinel;
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live_set->free_sentinel.next = view;
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view->next->prev = view;
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view->in_use = false;
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lifetime_free_object(lifetime_allocator, view->lifetime_object);
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}
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////////////////////////////////
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internal File_Edit_Positions
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view_get_edit_pos(View *view){
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return(view->edit_pos_);
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}
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internal void
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view_set_edit_pos(View *view, File_Edit_Positions edit_pos){
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edit_pos.scroll.position.line_number = clamp_bot(1, edit_pos.scroll.position.line_number);
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edit_pos.scroll.target.line_number = clamp_bot(1, edit_pos.scroll.target.line_number);
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view->edit_pos_ = edit_pos;
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view->file->state.edit_pos_most_recent = edit_pos;
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}
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////////////////////////////////
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internal Rect_f32
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view_get_buffer_rect(Models *models, View *view){
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Rect_f32 region = {};
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if (models->get_view_buffer_region != 0){
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Rect_f32 rect = Rf32(view->panel->rect_inner);
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Rect_f32 sub_region = Rf32(V2(0, 0), rect_dim(rect));
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sub_region = models->get_view_buffer_region(&models->app_links, view_get_id(&models->live_set, view), sub_region);
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region.p0 = rect.p0 + sub_region.p0;
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region.p1 = rect.p0 + sub_region.p1;
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region.x1 = clamp_top(region.x1, rect.x1);
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region.y1 = clamp_top(region.y1, rect.y1);
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region.x0 = clamp_top(region.x0, region.x1);
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region.y0 = clamp_top(region.y0, region.y1);
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}
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else{
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region = Rf32(view->panel->rect_inner);
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}
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return(region);
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}
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internal f32
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view_width(Models *models, View *view){
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return(rect_width(view_get_buffer_rect(models, view)));
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}
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internal f32
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view_height(Models *models, View *view){
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return(rect_height(view_get_buffer_rect(models, view)));
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}
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////////////////////////////////
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internal Buffer_Layout_Item_List
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view_get_line_layout(Models *models, View *view, i64 line_number){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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f32 width = view_width(models, view);
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return(file_get_line_layout(models, file, width, face, line_number));
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}
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internal Line_Shift_Vertical
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view_line_shift_y(Models *models, View *view, i64 line_number, f32 y_delta){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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f32 width = view_width(models, view);
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return(file_line_shift_y(models, file, width, face, line_number, y_delta));
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}
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internal f32
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view_line_y_difference(Models *models, View *view, i64 line_a, i64 line_b){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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f32 width = view_width(models, view);
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return(file_line_y_difference(models, file, width, face, line_a, line_b));
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}
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internal i64
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view_pos_at_relative_xy(Models *models, View *view, i64 base_line, Vec2_f32 relative_xy){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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f32 width = view_width(models, view);
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return(file_pos_at_relative_xy(models, file, width, face, base_line, relative_xy));
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}
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internal Vec2_f32
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view_relative_xy_of_pos(Models *models, View *view, i64 base_line, i64 pos){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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f32 width = view_width(models, view);
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return(file_relative_xy_of_pos(models, file, width, face, base_line, pos));
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}
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internal Buffer_Point
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view_normalize_buffer_point(Models *models, View *view, Buffer_Point point){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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f32 width = view_width(models, view);
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return(file_normalize_buffer_point(models, file, width, face, point));
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}
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internal Vec2_f32
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view_buffer_point_difference(Models *models, View *view, Buffer_Point a, Buffer_Point b){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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f32 width = view_width(models, view);
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return(file_buffer_point_difference(models, file, width, face, a, b));
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}
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internal Buffer_Point
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view_move_buffer_point(Models *models, View *view, Buffer_Point buffer_point, Vec2_f32 delta){
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delta += buffer_point.pixel_shift;
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Line_Shift_Vertical shift = view_line_shift_y(models, view, buffer_point.line_number, delta.y);
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buffer_point.line_number = shift.line;
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buffer_point.pixel_shift = V2f32(delta.x, delta.y - shift.y_delta);
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return(buffer_point);
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}
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internal Line_Shift_Character
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view_line_shift_characters(Models *models, View *view, i64 line_number, i64 character_delta){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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f32 width = view_width(models, view);
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return(file_line_shift_characters(models, file, width, face, line_number, character_delta));
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}
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internal i64
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view_line_character_difference(Models *models, View *view, i64 line_a, i64 line_b){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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f32 width = view_width(models, view);
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return(file_line_character_difference(models, file, width, face, line_a, line_b));
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}
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internal i64
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view_pos_from_relative_character(Models *models, View *view, i64 base_line, i64 relative_character){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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f32 width = view_width(models, view);
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return(file_pos_from_relative_character(models, file, width, face, base_line, relative_character));
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}
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internal i64
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view_relative_character_from_pos(Models *models, View *view, i64 base_line, i64 pos){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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f32 width = view_width(models, view);
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return(file_relative_character_from_pos(models, file, width, face, base_line, pos));
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}
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internal Buffer_Cursor
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view_compute_cursor(View *view, Buffer_Seek seek){
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Editing_File *file = view->file;
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return(file_compute_cursor(file, seek));
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}
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////////////////////////////////
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internal Interval_f32
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view_acceptable_y(f32 view_height, f32 line_height){
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Interval_f32 acceptable_y = {};
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if (view_height <= line_height*5.f){
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if (view_height < line_height){
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acceptable_y.max = view_height;
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}
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else{
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acceptable_y.max = view_height - line_height;
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}
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}
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else{
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acceptable_y = If32(line_height*2.f, view_height - line_height*2.f);
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}
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return(acceptable_y);
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}
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internal Vec2_f32
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view_safety_margin(f32 view_width, f32 acceptable_y_height, f32 line_height, f32 typical_advance){
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Vec2_f32 safety = {};
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safety.y = min(line_height*5.f, (acceptable_y_height + 1.f)*0.5f);
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safety.x = min(view_width*0.5f, typical_advance*8.f);
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return(safety);
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}
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internal b32
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view_move_view_to_cursor(Models *models, View *view, Buffer_Scroll *scroll){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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Rect_f32 rect = view_get_buffer_rect(models, view);
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Vec2_f32 view_dim = rect_dim(rect);
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File_Edit_Positions edit_pos = view_get_edit_pos(view);
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Vec2_f32 p = file_relative_xy_of_pos(models, file, view_dim.x, face, scroll->target.line_number,
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edit_pos.cursor_pos);
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p -= scroll->target.pixel_shift;
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f32 line_height = face->line_height;
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f32 typical_advance = face->typical_advance;
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Interval_f32 acceptable_y = view_acceptable_y(view_dim.y, line_height);
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Vec2_f32 safety = view_safety_margin(view_dim.x, range_size(acceptable_y), line_height, typical_advance);
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Vec2_f32 target_p_relative = {};
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if (p.y < acceptable_y.min){
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target_p_relative.y = p.y - safety.y;
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}
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else if (p.y > acceptable_y.max){
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target_p_relative.y = (p.y + safety.y) - view_dim.y;
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}
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if (p.x < 0.f){
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target_p_relative.x = p.x - safety.x;
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}
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else if (p.x > view_dim.x){
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target_p_relative.x = (p.x + safety.x) - view_dim.x;
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}
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scroll->target.pixel_shift = target_p_relative;
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scroll->target = view_normalize_buffer_point(models, view, scroll->target);
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scroll->target.pixel_shift.x = f32_round32(scroll->target.pixel_shift.x);
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scroll->target.pixel_shift.y = f32_round32(scroll->target.pixel_shift.y);
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return(target_p_relative != V2f32(0.f, 0.f));
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}
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internal b32
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view_move_cursor_to_view(Models *models, View *view, Buffer_Scroll scroll, i64 *pos_in_out, f32 preferred_x){
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Editing_File *file = view->file;
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Face *face = file_get_face(models, file);
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Rect_f32 rect = view_get_buffer_rect(models, view);
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Vec2_f32 view_dim = rect_dim(rect);
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Vec2_f32 p = file_relative_xy_of_pos(models, file, view_dim.x, face, scroll.target.line_number, *pos_in_out);
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p -= scroll.target.pixel_shift;
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f32 line_height = face->line_height;
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Interval_f32 acceptable_y = view_acceptable_y(view_dim.y, line_height);
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Vec2_f32 safety = view_safety_margin(view_dim.x, range_size(acceptable_y),
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line_height, face->typical_advance);
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b32 adjusted_y = true;
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if (p.y < acceptable_y.min){
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p.y = acceptable_y.min + safety.y;
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}
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else if (p.y > acceptable_y.max){
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p.y = acceptable_y.max - safety.y;
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}
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else{
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adjusted_y = false;
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}
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b32 result = false;
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if (adjusted_y){
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p += scroll.target.pixel_shift;
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*pos_in_out = file_pos_at_relative_xy(models, file, view_dim.x, face, scroll.target.line_number, p);
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result = true;
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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(Models *models, View *view, i64 pos){
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File_Edit_Positions edit_pos = view_get_edit_pos(view);
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file_edit_positions_set_cursor(&edit_pos, pos);
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view_set_edit_pos(view, edit_pos);
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Buffer_Scroll scroll = edit_pos.scroll;
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if (view_move_view_to_cursor(models, view, &scroll)){
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edit_pos.scroll = scroll;
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view_set_edit_pos(view, edit_pos);
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}
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}
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internal void
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view_set_scroll(Models *models, View *view, Buffer_Scroll scroll){
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File_Edit_Positions edit_pos = view_get_edit_pos(view);
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file_edit_positions_set_scroll(&edit_pos, scroll);
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view_set_edit_pos(view, edit_pos);
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if (view_move_cursor_to_view(models, view, edit_pos.scroll, &edit_pos.cursor_pos, view->preferred_x)){
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view_set_edit_pos(view, edit_pos);
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}
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}
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internal void
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view_set_cursor_and_scroll(Models *models, View *view, i64 pos, Buffer_Scroll scroll){
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File_Edit_Positions edit_pos = view_get_edit_pos(view);
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file_edit_positions_set_cursor(&edit_pos, pos);
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Buffer_Cursor cursor = view_compute_cursor(view, seek_pos(pos));
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Vec2_f32 p = view_relative_xy_of_pos(models, view, cursor.line, pos);
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view->preferred_x = p.x;
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file_edit_positions_set_scroll(&edit_pos, scroll);
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edit_pos.last_set_type = EditPos_None;
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view_set_edit_pos(view, edit_pos);
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}
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internal void
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view_post_paste_effect(View *view, f32 seconds, i64 start, i64 size, u32 color){
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Editing_File *file = view->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(Models *models, View *view, Editing_File *file){
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Assert(file != 0);
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Editing_File *old_file = view->file;
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if (old_file != 0){
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file_touch(&models->working_set, old_file);
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file_edit_positions_push(old_file, view_get_edit_pos(view));
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}
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view->file = file;
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File_Edit_Positions edit_pos = file_edit_positions_pop(file);
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view_set_edit_pos(view, edit_pos);
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view->mark = edit_pos.cursor_pos;
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Buffer_Cursor cursor = view_compute_cursor(view, seek_pos(edit_pos.cursor_pos));
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Vec2_f32 p = view_relative_xy_of_pos(models, view, cursor.line, edit_pos.cursor_pos);
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view->preferred_x = p.x;
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models->layout.panel_state_dirty = true;
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}
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////////////////////////////////
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internal b32
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file_is_viewed(Layout *layout, Editing_File *file){
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b32 is_viewed = false;
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for (Panel *panel = layout_get_first_open_panel(layout);
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panel != 0;
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panel = layout_get_next_open_panel(layout, panel)){
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View *view = panel->view;
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if (view->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(Models *models, Editing_File *file){
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Layout *layout = &models->layout;
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for (Panel *panel = layout_get_first_open_panel(layout);
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panel != 0;
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panel = layout_get_next_open_panel(layout, panel)){
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View *view = panel->view;
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if (view->file == file){
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File_Edit_Positions edit_pos = view_get_edit_pos(view);
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view_set_cursor(models, view, edit_pos.cursor_pos);
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}
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}
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}
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internal void
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global_set_font_and_update_files(Models *models, Face *new_global_face){
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for (Node *node = models->working_set.active_file_sentinel.next;
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node != &models->working_set.active_file_sentinel;
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node = node->next){
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Editing_File *file = CastFromMember(Editing_File, main_chain_node, node);
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file->settings.face_id = new_global_face->id;
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}
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models->global_face_id = new_global_face->id;
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}
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internal b32
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release_font_and_update(Models *models, Face *face, Face *replacement_face){
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b32 success = false;
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Assert(replacement_face != 0 && replacement_face != face);
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if (font_set_release_face(&models->font_set, face->id)){
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for (Node *node = models->working_set.active_file_sentinel.next;
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node != &models->working_set.active_file_sentinel;
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node = node->next){
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Editing_File *file = CastFromMember(Editing_File, main_chain_node, node);
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if (file->settings.face_id == face->id){
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file->settings.face_id = replacement_face->id;
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}
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}
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if (models->global_face_id == face->id){
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models->global_face_id = replacement_face->id;
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}
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success = true;
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}
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return(success);
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}
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////////////////////////////////
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internal argb_color
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finalize_color(Color_Table color_table, int_color color){
|
|
argb_color color_argb = color;
|
|
if ((color & 0xFF000000) == 0){
|
|
color_argb = color_table.vals[color % color_table.count];
|
|
}
|
|
return(color_argb);
|
|
}
|
|
|
|
internal void
|
|
view_quit_ui(Models *models, View *view){
|
|
Assert(view != 0);
|
|
view->ui_mode = false;
|
|
if (view->ui_quit != 0){
|
|
view->ui_quit(&models->app_links, view_get_id(&models->live_set, view));
|
|
view->ui_quit = 0;
|
|
}
|
|
}
|
|
|
|
////////////////////////////////
|
|
|
|
internal View*
|
|
imp_get_view(Models *models, View_ID view_id){
|
|
Live_Views *live_set = &models->live_set;
|
|
View *view = 0;
|
|
view_id -= 1;
|
|
if (0 <= view_id && view_id < live_set->max){
|
|
view = live_set->views + view_id;
|
|
if (!view->in_use){
|
|
view = 0;
|
|
}
|
|
}
|
|
return(view);
|
|
}
|
|
|
|
// BOTTOM
|
|
|