colordialogbutton: Survive window closing

If the parent window of the button gets destroyed
while the dialog is open, we cancel the async op,
but we need to be a little more careful about not
stepping on glass.
This commit is contained in:
Matthias Clasen 2022-11-29 19:25:54 -05:00
parent b297baed32
commit 637ef84d04

View File

@ -338,8 +338,9 @@ drag_prepare (GtkDragSource *source,
static void
update_button_sensitivity (GtkColorDialogButton *self)
{
gtk_widget_set_sensitive (self->button,
self->dialog != NULL && self->cancellable == NULL);
if (self->button)
gtk_widget_set_sensitive (self->button,
self->dialog != NULL && self->cancellable == NULL);
}
static void
@ -347,10 +348,11 @@ color_chosen (GObject *source,
GAsyncResult *result,
gpointer data)
{
GtkColorDialog *dialog = GTK_COLOR_DIALOG (source);
GtkColorDialogButton *self = data;
GdkRGBA *color;
color = gtk_color_dialog_choose_rgba_finish (self->dialog, result, NULL);
color = gtk_color_dialog_choose_rgba_finish (dialog, result, NULL);
if (color)
{
gtk_color_dialog_button_set_rgba (self, color);