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9e9824a0a1
This is a trivial example. Just check that we can derive from GtkButtonAccessible, and have a GtkButton subclass use the derived accessible implementation.
74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/*
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* Copyright (C) 2012 Red Hat Inc.
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*
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* Author:
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* Matthias Clasen <mclasen@redhat.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <gtk/gtk.h>
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#include <gtk/gtk-a11y.h>
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/* Implement a (trivial) GtkButton subclass, derive GtkButtonAccessible
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* and use the derived accessible for our new button.
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*/
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typedef GtkButtonAccessible MyButtonAccessible;
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typedef GtkButtonAccessibleClass MyButtonAccessibleClass;
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G_DEFINE_TYPE (MyButtonAccessible, my_button_accessible, GTK_TYPE_BUTTON_ACCESSIBLE)
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static void
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my_button_accessible_init (MyButtonAccessible *a)
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{
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}
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static void
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my_button_accessible_class_init (MyButtonAccessibleClass *class)
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{
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}
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typedef GtkButton MyButton;
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typedef GtkButtonClass MyButtonClass;
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G_DEFINE_TYPE (MyButton, my_button, GTK_TYPE_BUTTON)
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static void
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my_button_init (MyButton *b)
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{
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}
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static void
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my_button_class_init (MyButtonClass *class)
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{
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gtk_widget_class_set_accessible_type (GTK_WIDGET_CLASS (class),
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my_button_accessible_get_type ());
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}
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int main (int argc, char *argv[])
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{
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GtkWidget *widget;
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GtkAccessible *accessible;
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gtk_init (NULL, NULL);
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widget = GTK_WIDGET (g_object_new (my_button_get_type (), NULL));
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accessible = GTK_ACCESSIBLE (gtk_widget_get_accessible (widget));
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g_assert (G_TYPE_CHECK_INSTANCE_TYPE (accessible, my_button_accessible_get_type ()));
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return 0;
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}
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