label: Properly handle multi-line selections

They were rendered as a single rectangle, which is not
what is expected. Same for multi-line links.
This commit is contained in:
Matthias Clasen 2018-01-05 15:54:49 -05:00
parent c8770b3c63
commit 36e09f3ad9

View File

@ -3921,7 +3921,8 @@ gtk_label_snapshot (GtkWidget *widget,
{
gint range[2];
cairo_region_t *range_clip;
cairo_rectangle_int_t clip_extents;
cairo_rectangle_int_t clip_rect;
int i;
range[0] = info->selection_anchor;
range[1] = info->selection_end;
@ -3936,12 +3937,15 @@ gtk_label_snapshot (GtkWidget *widget,
gtk_style_context_save_to_node (context, info->selection_node);
range_clip = gdk_pango_layout_get_clip_region (priv->layout, lx, ly, range, 1);
cairo_region_get_extents (range_clip, &clip_extents);
for (i = 0; i < cairo_region_num_rectangles (range_clip); i++)
{
cairo_region_get_rectangle (range_clip, i, &clip_rect);
gtk_snapshot_push_clip (snapshot, &GRAPHENE_RECT_FROM_RECT (&clip_extents), "Selected Text");
gtk_snapshot_render_background (snapshot, context, x, 0, width, height);
gtk_snapshot_render_layout (snapshot, context, lx, ly, priv->layout);
gtk_snapshot_pop (snapshot);
gtk_snapshot_push_clip (snapshot, &GRAPHENE_RECT_FROM_RECT (&clip_rect), "Selected Text");
gtk_snapshot_render_background (snapshot, context, x, 0, width, height);
gtk_snapshot_render_layout (snapshot, context, lx, ly, priv->layout);
gtk_snapshot_pop (snapshot);
}
cairo_region_destroy (range_clip);
@ -3953,7 +3957,8 @@ gtk_label_snapshot (GtkWidget *widget,
GtkLabelLink *active_link;
gint range[2];
cairo_region_t *range_clip;
cairo_rectangle_int_t clip_extents;
cairo_rectangle_int_t clip_rect;
int i;
GdkRectangle rect;
if (info->selectable &&
@ -3980,12 +3985,15 @@ gtk_label_snapshot (GtkWidget *widget,
gtk_style_context_save_to_node (context, active_link->cssnode);
range_clip = gdk_pango_layout_get_clip_region (priv->layout, lx, ly, range, 1);
cairo_region_get_extents (range_clip, &clip_extents);
for (i = 0; i < cairo_region_num_rectangles (range_clip); i++)
{
cairo_region_get_rectangle (range_clip, i, &clip_rect);
gtk_snapshot_push_clip (snapshot, &GRAPHENE_RECT_FROM_RECT (&clip_extents), "Active Link");
gtk_snapshot_render_background (snapshot, context, x, 0, width, height);
gtk_snapshot_render_layout (snapshot, context, lx, ly, priv->layout);
gtk_snapshot_pop (snapshot);
gtk_snapshot_push_clip (snapshot, &GRAPHENE_RECT_FROM_RECT (&clip_rect), "Active Link");
gtk_snapshot_render_background (snapshot, context, x, 0, width, height);
gtk_snapshot_render_layout (snapshot, context, lx, ly, priv->layout);
gtk_snapshot_pop (snapshot);
}
cairo_region_destroy (range_clip);