+++ /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_real_notify_gtk (GObject *obj,
- GParamSpec *pspec);
-
-/* AtkObject */
-static void gail_scale_button_real_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 const gchar* gail_scale_button_get_description(AtkAction *action,
- gint i);
-static const gchar* gail_scale_button_action_get_name(AtkAction *action,
- gint i);
-static const 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);
-static void gail_scale_button_value_changed (GtkAdjustment *adjustment,
- gpointer data);
-
-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_real_initialize;
-
- widget_class->notify_gtk = gail_scale_button_real_notify_gtk;
-}
-
-static void
-gail_scale_button_init (GailScaleButton *button)
-{
-}
-
-static void
-gail_scale_button_real_initialize (AtkObject *obj,
- gpointer data)
-{
- GailScaleButton *scale_button = GAIL_SCALE_BUTTON (obj);
- GtkScaleButton *gtk_scale_button;
- GtkAdjustment *gtk_adjustment;
-
- ATK_OBJECT_CLASS (gail_scale_button_parent_class)->initialize (obj, data);
-
- gtk_scale_button = GTK_SCALE_BUTTON (data);
- gtk_adjustment = gtk_scale_button_get_adjustment (gtk_scale_button);
- /*
- * If a GtkAdjustment already exists for the scale_button,
- * create the GailAdjustment
- */
- if (gtk_adjustment)
- {
- scale_button->adjustment = gail_adjustment_new (gtk_adjustment);
- g_signal_connect (gtk_adjustment,
- "value-changed",
- G_CALLBACK (gail_scale_button_value_changed),
- obj);
- }
- else
- scale_button->adjustment = NULL;
-
- 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_get_widget (GTK_ACCESSIBLE (action));
- if (widget == NULL)
- return FALSE;
-
- if (!gtk_widget_is_sensitive (widget) || !gtk_widget_get_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 const gchar*
-gail_scale_button_get_description (AtkAction *action,
- gint i)
-{
- return NULL;
-}
-
-static const 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 const 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;
-
- g_return_if_fail (GAIL_IS_SCALE_BUTTON (obj));
-
- scale_button = GAIL_SCALE_BUTTON (obj);
- if (scale_button->adjustment == NULL)
- /*
- * Adjustment has not been specified
- */
- return;
-
- atk_value_get_current_value (ATK_VALUE (scale_button->adjustment), value);
-}
-
-static void
-gail_scale_button_get_maximum_value (AtkValue *obj,
- GValue *value)
-{
- GailScaleButton *scale_button;
-
- g_return_if_fail (GAIL_IS_SCALE_BUTTON (obj));
-
- scale_button = GAIL_SCALE_BUTTON (obj);
- if (scale_button->adjustment == NULL)
- /*
- * Adjustment has not been specified
- */
- return;
-
- atk_value_get_maximum_value (ATK_VALUE (scale_button->adjustment), value);
-}
-
-static void
-gail_scale_button_get_minimum_value (AtkValue *obj,
- GValue *value)
-{
- GailScaleButton *scale_button;
-
- g_return_if_fail (GAIL_IS_SCALE_BUTTON (obj));
-
- scale_button = GAIL_SCALE_BUTTON (obj);
- if (scale_button->adjustment == NULL)
- /*
- * Adjustment has not been specified
- */
- return;
-
- atk_value_get_minimum_value (ATK_VALUE (scale_button->adjustment), value);
-}
-
-static void
-gail_scale_button_get_minimum_increment (AtkValue *obj,
- GValue *value)
-{
- GailScaleButton *scale_button;
-
- g_return_if_fail (GAIL_IS_SCALE_BUTTON (obj));
-
- scale_button = GAIL_SCALE_BUTTON (obj);
- if (scale_button->adjustment == NULL)
- /*
- * Adjustment has not been specified
- */
- return;
-
- atk_value_get_minimum_increment (ATK_VALUE (scale_button->adjustment), value);
-}
-
-static gboolean
-gail_scale_button_set_current_value (AtkValue *obj,
- const GValue *value)
-{
- GailScaleButton *scale_button;
-
- g_return_val_if_fail (GAIL_IS_SCALE_BUTTON (obj), FALSE);
-
- scale_button = GAIL_SCALE_BUTTON (obj);
- if (scale_button->adjustment == NULL)
- /*
- * Adjustment has not been specified
- */
- return FALSE;
-
- return atk_value_set_current_value (ATK_VALUE (scale_button->adjustment), value);
-}
-
-static void
-gail_scale_button_real_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, "adjustment") == 0)
- {
- /*
- * Get rid of the GailAdjustment for the GtkAdjustment
- * which was associated with the scale_button.
- */
- GtkAdjustment* gtk_adjustment;
-
- if (scale_button->adjustment)
- {
- g_object_unref (scale_button->adjustment);
- scale_button->adjustment = NULL;
- }
- /*
- * Create the GailAdjustment when notify for "adjustment" property
- * is received
- */
- gtk_adjustment = gtk_scale_button_get_adjustment (gtk_scale_button);
- scale_button->adjustment = gail_adjustment_new (gtk_adjustment);
- g_signal_connect (gtk_adjustment,
- "value-changed",
- G_CALLBACK (gail_scale_button_value_changed),
- scale_button);
- }
- else
- {
- GAIL_WIDGET_CLASS (gail_scale_button_parent_class)->notify_gtk (obj, pspec);
- }
-}
-
-static void
-gail_scale_button_value_changed (GtkAdjustment *adjustment,
- gpointer data)
-{
- GailScaleButton *scale_button;
-
- gail_return_if_fail (adjustment != NULL);
- gail_return_if_fail (data != NULL);
-
- scale_button = GAIL_SCALE_BUTTON (data);
-
- g_object_notify (G_OBJECT (scale_button), "accessible-value");
-}
-
projects / ~andy / gtk / blobdiff