--- /dev/null
+/* GAIL - The GNOME Accessibility Implementation Library
+ * Copyright 2008 Jan Arne Petersen
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <config.h>
+
+#include <gtk/gtk.h>
+#include "gailscalebutton.h"
+#include "gailadjustment.h"
+#include "gail-private-macros.h"
+
+#include <string.h>
+
+static void gail_scale_button_class_init (GailScaleButtonClass *klass);
+static void gail_scale_button_init (GailScaleButton *button);
+
+/* GailWidget */
+static void gail_scale_button_notify_gtk (GObject *obj,
+ GParamSpec *pspec);
+
+/* AtkObject */
+static void gail_scale_button_initialize (AtkObject *obj,
+ gpointer data);
+
+/* AtkAction */
+static void atk_action_interface_init (AtkActionIface *iface);
+static gboolean gail_scale_button_do_action (AtkAction *action,
+ gint i);
+static gint gail_scale_button_get_n_actions (AtkAction *action);
+static G_CONST_RETURN gchar* gail_scale_button_get_description(AtkAction *action,
+ gint i);
+static G_CONST_RETURN gchar* gail_scale_button_action_get_name(AtkAction *action,
+ gint i);
+static G_CONST_RETURN gchar* gail_scale_button_get_keybinding (AtkAction *action,
+ gint i);
+static gboolean gail_scale_button_set_description(AtkAction *action,
+ gint i,
+ const gchar *desc);
+
+/* AtkValue */
+static void atk_value_interface_init (AtkValueIface *iface);
+static void gail_scale_button_get_current_value (AtkValue *obj,
+ GValue *value);
+static void gail_scale_button_get_maximum_value (AtkValue *obj,
+ GValue *value);
+static void gail_scale_button_get_minimum_value (AtkValue *obj,
+ GValue *value);
+static void gail_scale_button_get_minimum_increment (AtkValue *obj,
+ GValue *value);
+static gboolean gail_scale_button_set_current_value (AtkValue *obj,
+ const GValue *value);
+
+G_DEFINE_TYPE_WITH_CODE (GailScaleButton, gail_scale_button, GAIL_TYPE_BUTTON,
+ G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init)
+ G_IMPLEMENT_INTERFACE (ATK_TYPE_VALUE, atk_value_interface_init));
+
+static void
+gail_scale_button_class_init (GailScaleButtonClass *klass)
+{
+ AtkObjectClass *atk_object_class = ATK_OBJECT_CLASS (klass);
+ GailWidgetClass *widget_class = GAIL_WIDGET_CLASS (klass);
+
+ atk_object_class->initialize = gail_scale_button_initialize;
+
+ widget_class->notify_gtk = gail_scale_button_notify_gtk;
+}
+
+static void
+gail_scale_button_init (GailScaleButton *button)
+{
+}
+
+static void
+gail_scale_button_initialize (AtkObject *obj,
+ gpointer data)
+{
+ ATK_OBJECT_CLASS (gail_scale_button_parent_class)->initialize (obj, data);
+
+ obj->role = ATK_ROLE_SLIDER;
+}
+
+static void
+atk_action_interface_init (AtkActionIface *iface)
+{
+ iface->do_action = gail_scale_button_do_action;
+ iface->get_n_actions = gail_scale_button_get_n_actions;
+ iface->get_description = gail_scale_button_get_description;
+ iface->get_keybinding = gail_scale_button_get_keybinding;
+ iface->get_name = gail_scale_button_action_get_name;
+ iface->set_description = gail_scale_button_set_description;
+}
+
+static gboolean
+gail_scale_button_do_action(AtkAction *action,
+ gint i)
+{
+ GtkWidget *widget;
+
+ widget = GTK_ACCESSIBLE (action)->widget;
+ if (widget == NULL)
+ return FALSE;
+
+ if (!GTK_WIDGET_IS_SENSITIVE (widget) || !GTK_WIDGET_VISIBLE (widget))
+ return FALSE;
+
+ switch (i) {
+ case 0:
+ g_signal_emit_by_name (widget, "popup");
+ return TRUE;
+ case 1:
+ g_signal_emit_by_name (widget, "podown");
+ return TRUE;
+ default:
+ return FALSE;
+ }
+}
+
+static gint
+gail_scale_button_get_n_actions (AtkAction *action)
+{
+ return 2;
+}
+
+static G_CONST_RETURN gchar*
+gail_scale_button_get_description (AtkAction *action,
+ gint i)
+{
+ return NULL;
+}
+
+static G_CONST_RETURN gchar*
+gail_scale_button_action_get_name (AtkAction *action,
+ gint i)
+{
+ switch (i) {
+ case 0:
+ return "popup";
+ case 1:
+ return "popdown";
+ default:
+ return NULL;
+ }
+}
+
+static G_CONST_RETURN gchar*
+gail_scale_button_get_keybinding (AtkAction *action,
+ gint i)
+{
+ return NULL;
+}
+
+static gboolean
+gail_scale_button_set_description (AtkAction *action,
+ gint i,
+ const gchar *desc)
+{
+ return FALSE;
+}
+
+
+static void
+atk_value_interface_init (AtkValueIface *iface)
+{
+ iface->get_current_value = gail_scale_button_get_current_value;
+ iface->get_maximum_value = gail_scale_button_get_maximum_value;
+ iface->get_minimum_value = gail_scale_button_get_minimum_value;
+ iface->get_minimum_increment = gail_scale_button_get_minimum_increment;
+ iface->set_current_value = gail_scale_button_set_current_value;
+}
+
+static void
+gail_scale_button_get_current_value (AtkValue *obj,
+ GValue *value)
+{
+ GailScaleButton *scale_button;
+ GtkScaleButton *gtk_scale_button;
+
+ g_return_if_fail (GAIL_IS_SCALE_BUTTON (obj));
+
+ scale_button = GAIL_SCALE_BUTTON (obj);
+ gtk_scale_button = GTK_SCALE_BUTTON (GTK_ACCESSIBLE (obj)->widget);
+
+ g_value_set_double (g_value_init (value, G_TYPE_DOUBLE),
+ gtk_scale_button_get_value (gtk_scale_button));
+}
+
+static void
+gail_scale_button_get_maximum_value (AtkValue *obj,
+ GValue *value)
+{
+ GtkWidget *gtk_widget;
+ GtkAdjustment *adj;
+
+ g_return_if_fail (GAIL_IS_SCALE_BUTTON (obj));
+
+ gtk_widget = GTK_ACCESSIBLE (obj)->widget;
+ if (gtk_widget == NULL)
+ return;
+
+ adj = gtk_scale_button_get_adjustment (GTK_SCALE_BUTTON (gtk_widget));
+ if (adj != NULL)
+ g_value_set_double (g_value_init (value, G_TYPE_DOUBLE),
+ adj->upper);
+}
+
+static void
+gail_scale_button_get_minimum_value (AtkValue *obj,
+ GValue *value)
+{
+ GtkWidget *gtk_widget;
+ GtkAdjustment *adj;
+
+ g_return_if_fail (GAIL_IS_SCALE_BUTTON (obj));
+
+ gtk_widget = GTK_ACCESSIBLE (obj)->widget;
+ if (gtk_widget == NULL)
+ return;
+
+ adj = gtk_scale_button_get_adjustment (GTK_SCALE_BUTTON (gtk_widget));
+ if (adj != NULL)
+ g_value_set_double (g_value_init (value, G_TYPE_DOUBLE),
+ adj->lower);
+}
+
+static void
+gail_scale_button_get_minimum_increment (AtkValue *obj,
+ GValue *value)
+{
+ GtkWidget *gtk_widget;
+ GtkAdjustment *adj;
+
+ g_return_if_fail (GAIL_IS_SCALE_BUTTON (obj));
+
+ gtk_widget = GTK_ACCESSIBLE (obj)->widget;
+ if (gtk_widget == NULL)
+ return;
+
+ adj = gtk_scale_button_get_adjustment (GTK_SCALE_BUTTON (gtk_widget));
+ if (adj != NULL)
+ g_value_set_double (g_value_init (value, G_TYPE_DOUBLE),
+ adj->step_increment);
+}
+
+static gboolean
+gail_scale_button_set_current_value (AtkValue *obj,
+ const GValue *value)
+{
+ GtkWidget *gtk_widget;
+
+ g_return_val_if_fail (GAIL_IS_SCALE_BUTTON (obj), FALSE);
+
+ gtk_widget = GTK_ACCESSIBLE (obj)->widget;
+ if (gtk_widget == NULL)
+ return FALSE;
+
+ if (G_VALUE_HOLDS_DOUBLE (value))
+ {
+ gtk_scale_button_set_value (GTK_SCALE_BUTTON (gtk_widget), g_value_get_double (value));
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static void
+gail_scale_button_notify_gtk (GObject *obj,
+ GParamSpec *pspec)
+{
+ GtkScaleButton *gtk_scale_button;
+ GailScaleButton *scale_button;
+
+ g_return_if_fail (GTK_IS_SCALE_BUTTON (obj));
+
+ gtk_scale_button = GTK_SCALE_BUTTON (obj);
+ scale_button = GAIL_SCALE_BUTTON (gtk_widget_get_accessible (GTK_WIDGET (gtk_scale_button)));
+
+ if (strcmp (pspec->name, "value") == 0)
+ {
+ g_object_notify (G_OBJECT (scale_button), "accessible-value");
+ }
+ else
+ {
+ GAIL_WIDGET_CLASS (gail_scale_button_parent_class)->notify_gtk (obj, pspec);
+ }
+}
+
+
--- /dev/null
+/* GAIL - The GNOME Accessibility Implementation Library
+ * Copyright 2008 Jan Arne Petersen <jap@gnome.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GAIL_SCALE_BUTTON_H__
+#define __GAIL_SCALE_BUTTON_H__
+
+#include <gtk/gtk.h>
+#include <gail/gailbutton.h>
+
+G_BEGIN_DECLS
+
+#define GAIL_TYPE_SCALE_BUTTON (gail_scale_button_get_type ())
+#define GAIL_SCALE_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAIL_TYPE_SCALE_BUTTON, GailScaleButton))
+#define GAIL_SCALE_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAIL_TYPE_SCALE_BUTTON, GailScaleButtonClass))
+#define GAIL_IS_SCALE_BUTTON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAIL_TYPE_SCALE_BUTTON))
+#define GAIL_IS_SCALE_BUTTON_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAIL_TYPE_SCALE_BUTTON))
+#define GAIL_SCALE_BUTTON_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GAIL_TYPE_SCALE_BUTTON, GailScaleButtonClass))
+
+typedef struct _GailScaleButton GailScaleButton;
+typedef struct _GailScaleButtonClass GailScaleButtonClass;
+
+struct _GailScaleButton
+{
+ GailButton parent;
+};
+
+struct _GailScaleButtonClass
+{
+ GailButtonClass parent_class;
+};
+
+GType gail_scale_button_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GAIL_SCALE_BUTTON_H__ */
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