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checkbutton: Fix redraw issues

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This is a hack to get around the optimizations done by the CSS engine.

The CSS engine will notice that no CSS properties changed on the
widget itself when going from one state to another and not queue
a redraw.
And the reason for no properties changing will be that only the
checkmark itself changes, but that is hidden behind a
gtk_style_context_save()/_restore() pair, so it won't be caught.
This commit is contained in:
Benjamin Otte 2014-08-17 06:24:41 +02:00
parent c4c9b20a05
commit 442353fa9d
1 changed files with 20 additions and 0 deletions
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20
gtk/gtkcheckbutton.c
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@ -86,6 +86,25 @@ static void gtk_real_check_button_draw_indicator (GtkCheckButton *check_but
G_DEFINE_TYPE (GtkCheckButton, gtk_check_button, GTK_TYPE_TOGGLE_BUTTON)
static void
gtk_check_button_state_flags_changed (GtkWidget *widget,
GtkStateFlags previous_state_flags)
{
/* FIXME
* This is a hack to get around the optimizations done by the CSS engine.
*
* The CSS engine will notice that no CSS properties changed on the
* widget itself when going from one state to another and not queue
* a redraw.
* And the reason for no properties changing will be that only the
* checkmark itself changes, but that is hidden behind a
* gtk_style_context_save()/_restore() pair, so it won't be caught.
*/
gtk_widget_queue_draw (widget);
GTK_WIDGET_CLASS (gtk_check_button_parent_class)->state_flags_changed (widget, previous_state_flags);
}
static void
gtk_check_button_class_init (GtkCheckButtonClass *class)
{
@ -100,6 +119,7 @@ gtk_check_button_class_init (GtkCheckButtonClass *class)
widget_class->get_preferred_height_and_baseline_for_width = gtk_check_button_get_preferred_height_and_baseline_for_width;
widget_class->size_allocate = gtk_check_button_size_allocate;
widget_class->draw = gtk_check_button_draw;
widget_class->state_flags_changed = gtk_check_button_state_flags_changed;
class->draw_indicator = gtk_real_check_button_draw_indicator;