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gtk: Port selection drawing to new apis

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Preserve color state information when drawing selections or block
cursors in GtkTextView.
This commit is contained in:
Matthias Clasen 2024-08-10 08:12:59 -04:00
parent 51768d0e16
commit ed119ae246
1 changed files with 27 additions and 29 deletions
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44
gtk/gtktextlayout.c
View File

@ -3867,7 +3867,7 @@ render_para (GskPangoRenderer *crenderer,
GtkTextLineDisplay *line_display,
int selection_start_index,
int selection_end_index,
const GdkRGBA *selection,
const GdkColor *selection_color,
gboolean draw_selection_text,
float cursor_alpha)
{
@ -3921,10 +3921,10 @@ render_para (GskPangoRenderer *crenderer,
*/
if (selection_start_index < byte_offset &&
selection_end_index > pango_layout_line_get_length (line) + byte_offset &&
selection->alpha >= 1)
gdk_color_is_opaque (selection_color))
{
gtk_snapshot_append_color (crenderer->snapshot,
selection,
gtk_snapshot_append_color2 (crenderer->snapshot,
selection_color,
&GRAPHENE_RECT_INIT (line_display->left_margin,
selection_y,
screen_width,
@ -3990,7 +3990,7 @@ render_para (GskPangoRenderer *crenderer,
PANGO_PIXELS (line_rect.width) -
bounds.origin.x);
gtk_snapshot_append_color (crenderer->snapshot, selection, &bounds);
gtk_snapshot_append_color2 (crenderer->snapshot, selection_color, &bounds);
if (draw_selection_text)
{
@ -4009,8 +4009,8 @@ render_para (GskPangoRenderer *crenderer,
if (line_rect.x > line_display->left_margin * PANGO_SCALE &&
((line_display->direction == GTK_TEXT_DIR_LTR && selection_start_index < byte_offset) ||
(line_display->direction == GTK_TEXT_DIR_RTL && selection_end_index > byte_offset + pango_layout_line_get_length (line))))
gtk_snapshot_append_color (crenderer->snapshot,
selection,
gtk_snapshot_append_color2 (crenderer->snapshot,
selection_color,
&GRAPHENE_RECT_INIT (line_display->left_margin,
selection_y,
PANGO_PIXELS (line_rect.x) - line_display->left_margin,
@ -4025,8 +4025,8 @@ render_para (GskPangoRenderer *crenderer,
+ screen_width
- PANGO_PIXELS (line_rect.x)
- PANGO_PIXELS (line_rect.width);
gtk_snapshot_append_color (crenderer->snapshot,
selection,
gtk_snapshot_append_color2 (crenderer->snapshot,
selection_color,
&GRAPHENE_RECT_INIT (PANGO_PIXELS (line_rect.x) + PANGO_PIXELS (line_rect.width),
selection_y,
nonlayout_width,
@ -4042,7 +4042,7 @@ render_para (GskPangoRenderer *crenderer,
{
GtkCssNode *node;
GtkCssStyle *style;
const GdkRGBA *cursor_color;
GdkColor cursor_color;
graphene_rect_t bounds = {
.origin.x = line_display->x_offset + line_display->block_cursor.x,
.origin.y = line_display->block_cursor.y + line_display->top_margin,
@ -4056,10 +4056,11 @@ render_para (GskPangoRenderer *crenderer,
node = gtk_widget_get_css_node (crenderer->widget);
style = gtk_css_node_get_style (node);
cursor_color = gtk_css_color_value_get_rgba (style->used->caret_color);
gtk_css_color_to_color (gtk_css_color_value_get_color (style->used->caret_color),
&cursor_color);
gtk_snapshot_push_opacity (crenderer->snapshot, cursor_alpha);
gtk_snapshot_append_color (crenderer->snapshot, cursor_color, &bounds);
gtk_snapshot_append_color2 (crenderer->snapshot, &cursor_color, &bounds);
/* draw text under the cursor if any */
if (!line_display->cursor_at_line_end)
@ -4114,8 +4115,7 @@ gtk_text_layout_snapshot (GtkTextLayout *layout,
int selection_end_line;
gboolean have_selection;
gboolean draw_selection_text;
const GdkRGBA *selection;
const GdkRGBA *color;
GdkColor selection_color;
GtkSnapshot *cursor_snapshot;
GtkTextBTree *btree;
GtkTextLine *first_line;
@ -4146,8 +4146,6 @@ gtk_text_layout_snapshot (GtkTextLayout *layout,
node = gtk_widget_get_css_node (widget);
style = gtk_css_node_get_style (node);
color = gtk_css_color_value_get_rgba (style->used->color);
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (0, offset_y));
offset_y = 0;
@ -4159,7 +4157,8 @@ gtk_text_layout_snapshot (GtkTextLayout *layout,
crenderer->widget = widget;
crenderer->snapshot = snapshot;
gdk_color_init_from_rgba (&crenderer->fg_color, color);
gtk_css_color_to_color (gtk_css_color_value_get_color (style->used->color),
&crenderer->fg_color);
have_selection = gtk_text_buffer_get_selection_bounds (layout->buffer,
&selection_start,
@ -4167,7 +4166,6 @@ gtk_text_layout_snapshot (GtkTextLayout *layout,
if (have_selection)
{
GtkCssNode *selection_node;
const GdkRGBA *text_color;
selection_start_line = gtk_text_iter_get_line (&selection_start);
selection_end_line = gtk_text_iter_get_line (&selection_end);
@ -4175,16 +4173,16 @@ gtk_text_layout_snapshot (GtkTextLayout *layout,
selection_node = gtk_text_view_get_selection_node ((GtkTextView*)widget);
style = gtk_css_node_get_style (selection_node);
selection = gtk_css_color_value_get_rgba (style->used->background_color);
text_color = gtk_css_color_value_get_rgba (style->used->color);
gtk_css_color_to_color (gtk_css_color_value_get_color (style->used->background_color),
&selection_color);
draw_selection_text = text_color->alpha > 0;
draw_selection_text = !gdk_color_is_clear (&crenderer->fg_color);
}
else
{
selection_start_line = -1;
selection_end_line = -1;
selection = NULL;
gdk_color_init (&selection_color, GDK_COLOR_STATE_SRGB, (float[]) { 0, 0, 0, 0 });
draw_selection_text = FALSE;
}
@ -4260,7 +4258,7 @@ gtk_text_layout_snapshot (GtkTextLayout *layout,
gtk_snapshot_push_collect (snapshot);
render_para (crenderer, line_display,
selection_start_index, selection_end_index,
selection,
&selection_color,
draw_selection_text,
cursor_alpha);
line_display->node = gtk_snapshot_pop_collect (snapshot);