+++ /dev/null
-/* GAIL - The GNOME Accessibility Implementation Library
- * Copyright 2001, 2002, 2003 Sun Microsystems Inc.
- *
- * 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 <string.h>
-#include <gtk/gtk.h>
-#include "gailbutton.h"
-#include <libgail-util/gailmisc.h>
-
-#define GAIL_BUTTON_ATTACHED_MENUS "gtk-attached-menus"
-
-static void gail_button_class_init (GailButtonClass *klass);
-static void gail_button_init (GailButton *button);
-
-static const gchar* gail_button_get_name (AtkObject *obj);
-static gint gail_button_get_n_children (AtkObject *obj);
-static AtkObject* gail_button_ref_child (AtkObject *obj,
- gint i);
-static AtkStateSet* gail_button_ref_state_set (AtkObject *obj);
-static void gail_button_notify_label_gtk (GObject *obj,
- GParamSpec *pspec,
- gpointer data);
-static void gail_button_label_map_gtk (GtkWidget *widget,
- gpointer data);
-
-static void gail_button_real_initialize (AtkObject *obj,
- gpointer data);
-static void gail_button_finalize (GObject *object);
-static void gail_button_init_textutil (GailButton *button,
- GtkWidget *label);
-
-static void gail_button_pressed_enter_handler (GtkWidget *widget);
-static void gail_button_released_leave_handler (GtkWidget *widget);
-static gint gail_button_real_add_gtk (GtkContainer *container,
- GtkWidget *widget,
- gpointer data);
-
-
-static void atk_action_interface_init (AtkActionIface *iface);
-static gboolean gail_button_do_action (AtkAction *action,
- gint i);
-static gint gail_button_get_n_actions (AtkAction *action);
-static const gchar* gail_button_get_keybinding (AtkAction *action,
- gint i);
-static const gchar* gail_button_action_get_name(AtkAction *action,
- gint i);
-static void gail_button_notify_label_weak_ref (gpointer data,
- GObject *obj);
-static void gail_button_notify_weak_ref (gpointer data,
- GObject *obj);
-
-
-/* AtkImage.h */
-static void atk_image_interface_init (AtkImageIface *iface);
-static const gchar* gail_button_get_image_description
- (AtkImage *image);
-static void gail_button_get_image_position
- (AtkImage *image,
- gint *x,
- gint *y,
- AtkCoordType coord_type);
-static void gail_button_get_image_size (AtkImage *image,
- gint *width,
- gint *height);
-static gboolean gail_button_set_image_description
- (AtkImage *image,
- const gchar *description);
-
-/* atktext.h */
-static void atk_text_interface_init (AtkTextIface *iface);
-
-static gchar* gail_button_get_text (AtkText *text,
- gint start_pos,
- gint end_pos);
-static gunichar gail_button_get_character_at_offset(AtkText *text,
- gint offset);
-static gchar* gail_button_get_text_before_offset(AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gchar* gail_button_get_text_at_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gchar* gail_button_get_text_after_offset(AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset);
-static gint gail_button_get_character_count (AtkText *text);
-static void gail_button_get_character_extents (AtkText *text,
- gint offset,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coords);
-static gint gail_button_get_offset_at_point (AtkText *text,
- gint x,
- gint y,
- AtkCoordType coords);
-static AtkAttributeSet* gail_button_get_run_attributes
- (AtkText *text,
- gint offset,
- gint *start_offset,
- gint *end_offset);
-static AtkAttributeSet* gail_button_get_default_attributes
- (AtkText *text);
-static GtkImage* get_image_from_button (GtkWidget *button);
-static GtkWidget* get_label_from_button (GtkWidget *button,
- gint index,
- gboolean allow_many);
-static gint get_n_labels_from_button (GtkWidget *button);
-static void set_role_for_button (AtkObject *accessible,
- GtkWidget *button);
-
-static gint get_n_attached_menus (GtkWidget *widget);
-static GtkWidget* get_nth_attached_menu (GtkWidget *widget,
- gint index);
-
-G_DEFINE_TYPE_WITH_CODE (GailButton, gail_button, GAIL_TYPE_CONTAINER,
- G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init)
- G_IMPLEMENT_INTERFACE (ATK_TYPE_IMAGE, atk_image_interface_init)
- G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, atk_text_interface_init))
-
-static void
-gail_button_class_init (GailButtonClass *klass)
-{
- GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
- AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
- GailContainerClass *container_class;
-
- container_class = (GailContainerClass*)klass;
-
- gobject_class->finalize = gail_button_finalize;
-
- class->get_name = gail_button_get_name;
- class->get_n_children = gail_button_get_n_children;
- class->ref_child = gail_button_ref_child;
- class->ref_state_set = gail_button_ref_state_set;
- class->initialize = gail_button_real_initialize;
-
- container_class->add_gtk = gail_button_real_add_gtk;
- container_class->remove_gtk = NULL;
-}
-
-static void
-gail_button_init (GailButton *button)
-{
- button->click_keybinding = NULL;
- button->textutil = NULL;
-}
-
-static const gchar*
-gail_button_get_name (AtkObject *obj)
-{
- const gchar* name = NULL;
-
- g_return_val_if_fail (GAIL_IS_BUTTON (obj), NULL);
-
- name = ATK_OBJECT_CLASS (gail_button_parent_class)->get_name (obj);
- if (name == NULL)
- {
- /*
- * Get the text on the label
- */
- GtkWidget *widget;
- GtkWidget *child;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
- if (widget == NULL)
- /*
- * State is defunct
- */
- return NULL;
-
- g_return_val_if_fail (GTK_IS_BUTTON (widget), NULL);
-
- child = get_label_from_button (widget, 0, FALSE);
- if (GTK_IS_LABEL (child))
- name = gtk_label_get_text (GTK_LABEL (child));
- else
- {
- GtkImage *image;
-
- image = get_image_from_button (widget);
- if (GTK_IS_IMAGE (image))
- {
- AtkObject *atk_obj;
-
- atk_obj = gtk_widget_get_accessible (GTK_WIDGET (image));
- name = atk_object_get_name (atk_obj);
- }
- }
- }
- return name;
-}
-
-static void
-gail_button_real_initialize (AtkObject *obj,
- gpointer data)
-{
- GailButton *button = GAIL_BUTTON (obj);
- GtkWidget *label;
- GtkWidget *widget;
-
- ATK_OBJECT_CLASS (gail_button_parent_class)->initialize (obj, data);
-
- button->state = GTK_STATE_NORMAL;
-
- g_signal_connect (data,
- "pressed",
- G_CALLBACK (gail_button_pressed_enter_handler),
- NULL);
- g_signal_connect (data,
- "enter",
- G_CALLBACK (gail_button_pressed_enter_handler),
- NULL);
- g_signal_connect (data,
- "released",
- G_CALLBACK (gail_button_released_leave_handler),
- NULL);
- g_signal_connect (data,
- "leave",
- G_CALLBACK (gail_button_released_leave_handler),
- NULL);
-
-
- widget = GTK_WIDGET (data);
- label = get_label_from_button (widget, 0, FALSE);
- if (GTK_IS_LABEL (label))
- {
- if (gtk_widget_get_mapped (label))
- gail_button_init_textutil (button, label);
- else
- g_signal_connect (label,
- "map",
- G_CALLBACK (gail_button_label_map_gtk),
- button);
- }
-
- set_role_for_button (obj, data);
-}
-
-static void
-gail_button_label_map_gtk (GtkWidget *widget,
- gpointer data)
-{
- GailButton *button;
-
- button = GAIL_BUTTON (data);
- gail_button_init_textutil (button, widget);
-}
-
-static void
-gail_button_notify_label_gtk (GObject *obj,
- GParamSpec *pspec,
- gpointer data)
-{
- AtkObject* atk_obj = ATK_OBJECT (data);
- GtkLabel *label;
- GailButton *gail_button;
-
- if (strcmp (pspec->name, "label") == 0)
- {
- const gchar* label_text;
-
- label = GTK_LABEL (obj);
-
- label_text = gtk_label_get_text (label);
-
- gail_button = GAIL_BUTTON (atk_obj);
- gail_text_util_text_setup (gail_button->textutil, label_text);
-
- if (atk_obj->name == NULL)
- {
- /*
- * The label has changed so notify a change in accessible-name
- */
- g_object_notify (G_OBJECT (atk_obj), "accessible-name");
- }
- /*
- * The label is the only property which can be changed
- */
- g_signal_emit_by_name (atk_obj, "visible_data_changed");
- }
-}
-
-static void
-gail_button_notify_weak_ref (gpointer data, GObject* obj)
-{
- GtkLabel *label = NULL;
-
- AtkObject* atk_obj = ATK_OBJECT (obj);
- if (data && GTK_IS_WIDGET (data))
- {
- label = GTK_LABEL (data);
- if (label)
- {
- g_signal_handlers_disconnect_by_func (label,
- (GCallback) gail_button_notify_label_gtk,
- GAIL_BUTTON (atk_obj));
- g_object_weak_unref (G_OBJECT (label),
- gail_button_notify_label_weak_ref,
- GAIL_BUTTON (atk_obj));
- }
- }
-}
-
-static void
-gail_button_notify_label_weak_ref (gpointer data, GObject* obj)
-{
- GtkLabel *label = NULL;
- GailButton *button = NULL;
-
- label = GTK_LABEL (obj);
- if (data && GAIL_IS_BUTTON (data))
- {
- button = GAIL_BUTTON (ATK_OBJECT (data));
- if (button)
- g_object_weak_unref (G_OBJECT (button), gail_button_notify_weak_ref,
- label);
- }
-}
-
-
-static void
-gail_button_init_textutil (GailButton *button,
- GtkWidget *label)
-{
- const gchar *label_text;
-
- if (button->textutil)
- g_object_unref (button->textutil);
- button->textutil = gail_text_util_new ();
- label_text = gtk_label_get_text (GTK_LABEL (label));
- gail_text_util_text_setup (button->textutil, label_text);
- g_object_weak_ref (G_OBJECT (button),
- gail_button_notify_weak_ref, label);
- g_object_weak_ref (G_OBJECT (label),
- gail_button_notify_label_weak_ref, button);
- g_signal_connect (label,
- "notify",
- (GCallback) gail_button_notify_label_gtk,
- button);
-}
-
-static gint
-gail_button_real_add_gtk (GtkContainer *container,
- GtkWidget *widget,
- gpointer data)
-{
- GtkLabel *label;
- GailButton *button;
-
- if (GTK_IS_LABEL (widget))
- {
- const gchar* label_text;
-
- label = GTK_LABEL (widget);
-
-
- button = GAIL_BUTTON (data);
- if (!button->textutil)
- gail_button_init_textutil (button, widget);
- else
- {
- label_text = gtk_label_get_text (label);
- gail_text_util_text_setup (button->textutil, label_text);
- }
- }
-
- return 1;
-}
-
-static void
-atk_action_interface_init (AtkActionIface *iface)
-{
- iface->do_action = gail_button_do_action;
- iface->get_n_actions = gail_button_get_n_actions;
- iface->get_keybinding = gail_button_get_keybinding;
- iface->get_name = gail_button_action_get_name;
-}
-
-static gboolean
-gail_button_do_action (AtkAction *action,
- gint i)
-{
- GtkWidget *widget;
- gboolean return_value = TRUE;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
- if (widget == NULL)
- /*
- * State is defunct
- */
- return FALSE;
-
- if (!gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget))
- return FALSE;
-
- switch (i)
- {
- case 0:
- gtk_button_clicked (GTK_BUTTON (widget));
- break;
- default:
- return_value = FALSE;
- break;
- }
- return return_value;
-}
-
-static gint
-gail_button_get_n_actions (AtkAction *action)
-{
- return 1;
-}
-
-static const gchar*
-gail_button_get_keybinding (AtkAction *action,
- gint i)
-{
- GailButton *button;
- gchar *return_value = NULL;
-
- button = GAIL_BUTTON (action);
- switch (i)
- {
- case 0:
- {
- /*
- * We look for a mnemonic on the label
- */
- GtkWidget *widget;
- GtkWidget *label;
- guint key_val;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (button));
- if (widget == NULL)
- /*
- * State is defunct
- */
- return NULL;
-
- g_return_val_if_fail (GTK_IS_BUTTON (widget), NULL);
-
- label = get_label_from_button (widget, 0, FALSE);
- if (GTK_IS_LABEL (label))
- {
- key_val = gtk_label_get_mnemonic_keyval (GTK_LABEL (label));
- if (key_val != GDK_KEY_VoidSymbol)
- return_value = gtk_accelerator_name (key_val, GDK_MOD1_MASK);
- }
- if (return_value == NULL)
- {
- /* Find labelled-by relation */
- AtkRelationSet *set;
- AtkRelation *relation;
- GPtrArray *target;
- gpointer target_object;
-
- set = atk_object_ref_relation_set (ATK_OBJECT (action));
- if (set)
- {
- relation = atk_relation_set_get_relation_by_type (set, ATK_RELATION_LABELLED_BY);
- if (relation)
- {
- target = atk_relation_get_target (relation);
-
- target_object = g_ptr_array_index (target, 0);
- label = gtk_accessible_get_widget (GTK_ACCESSIBLE (target_object));
- }
- g_object_unref (set);
- }
-
- if (GTK_IS_LABEL (label))
- {
- key_val = gtk_label_get_mnemonic_keyval (GTK_LABEL (label));
- if (key_val != GDK_KEY_VoidSymbol)
- return_value = gtk_accelerator_name (key_val, GDK_MOD1_MASK);
- }
- }
- g_free (button->click_keybinding);
- button->click_keybinding = return_value;
- break;
- }
- default:
- break;
- }
- return return_value;
-}
-
-static const gchar*
-gail_button_action_get_name (AtkAction *action,
- gint i)
-{
- const gchar *return_value;
-
- switch (i)
- {
- case 0:
- /*
- * This action is a "click" to activate a button or "toggle" to change
- * the state of a toggle button check box or radio button.
- */
- return_value = "click";
- break;
- default:
- return_value = NULL;
- break;
- }
- return return_value;
-}
-
-static gint
-gail_button_get_n_children (AtkObject* obj)
-{
- GtkWidget *widget;
- gint n_children;
-
- g_return_val_if_fail (GAIL_IS_BUTTON (obj), 0);
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
- if (widget == NULL)
- /*
- * State is defunct
- */
- return 0;
-
- /*
- * Check whether we have an attached menus for PanelMenuButton
- */
- n_children = get_n_attached_menus (widget);
- if (n_children > 0)
- return n_children;
-
- n_children = get_n_labels_from_button (widget);
- if (n_children <= 1)
- n_children = 0;
-
- return n_children;
-}
-
-static AtkObject*
-gail_button_ref_child (AtkObject *obj,
- gint i)
-{
- GtkWidget *widget;
- GtkWidget *child_widget;
- AtkObject *child;
-
- g_return_val_if_fail (GAIL_IS_BUTTON (obj), NULL);
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
- if (widget == NULL)
- /*
- * State is defunct
- */
- return NULL;
-
- if (i >= gail_button_get_n_children (obj))
- return NULL;
-
- if (get_n_attached_menus (widget) > 0)
- {
- child_widget = get_nth_attached_menu (widget, i);
- }
- else
- child_widget = NULL;
-
- if (!child_widget)
- {
- if (get_n_labels_from_button (widget) > 1)
- {
- child_widget = get_label_from_button (widget, i, TRUE);
- }
- }
-
- if (child_widget)
- {
- child = gtk_widget_get_accessible (child_widget);
- g_object_ref (child);
- }
- else
- child = NULL;
-
- return child;
-}
-
-static AtkStateSet*
-gail_button_ref_state_set (AtkObject *obj)
-{
- AtkStateSet *state_set;
- GtkWidget *widget;
-
- state_set = ATK_OBJECT_CLASS (gail_button_parent_class)->ref_state_set (obj);
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
-
- if (widget == NULL)
- return state_set;
-
- if (gtk_widget_get_state (widget) == GTK_STATE_ACTIVE)
- atk_state_set_add_state (state_set, ATK_STATE_ARMED);
-
- if (!gtk_widget_get_can_focus (widget))
- atk_state_set_remove_state (state_set, ATK_STATE_SELECTABLE);
-
-
- return state_set;
-}
-
-/*
- * This is the signal handler for the "pressed" or "enter" signal handler
- * on the GtkButton.
- *
- * If the state is now GTK_STATE_ACTIVE we notify a property change
- */
-static void
-gail_button_pressed_enter_handler (GtkWidget *widget)
-{
- AtkObject *accessible;
-
- if (gtk_widget_get_state (widget) == GTK_STATE_ACTIVE)
- {
- accessible = gtk_widget_get_accessible (widget);
- atk_object_notify_state_change (accessible, ATK_STATE_ARMED, TRUE);
- GAIL_BUTTON (accessible)->state = GTK_STATE_ACTIVE;
- }
-}
-
-/*
- * This is the signal handler for the "released" or "leave" signal handler
- * on the GtkButton.
- *
- * If the state was GTK_STATE_ACTIVE we notify a property change
- */
-static void
-gail_button_released_leave_handler (GtkWidget *widget)
-{
- AtkObject *accessible;
-
- accessible = gtk_widget_get_accessible (widget);
- if (GAIL_BUTTON (accessible)->state == GTK_STATE_ACTIVE)
- {
- atk_object_notify_state_change (accessible, ATK_STATE_ARMED, FALSE);
- GAIL_BUTTON (accessible)->state = GTK_STATE_NORMAL;
- }
-}
-
-static void
-atk_image_interface_init (AtkImageIface *iface)
-{
- iface->get_image_description = gail_button_get_image_description;
- iface->get_image_position = gail_button_get_image_position;
- iface->get_image_size = gail_button_get_image_size;
- iface->set_image_description = gail_button_set_image_description;
-}
-
-static GtkImage*
-get_image_from_button (GtkWidget *button)
-{
- GtkWidget *child;
- GList *list;
- GtkImage *image = NULL;
-
- child = gtk_bin_get_child (GTK_BIN (button));
- if (GTK_IS_IMAGE (child))
- image = GTK_IMAGE (child);
- else
- {
- if (GTK_IS_ALIGNMENT (child))
- child = gtk_bin_get_child (GTK_BIN (child));
- if (GTK_IS_CONTAINER (child))
- {
- list = gtk_container_get_children (GTK_CONTAINER (child));
- if (!list)
- return NULL;
- if (GTK_IS_IMAGE (list->data))
- image = GTK_IMAGE (list->data);
- g_list_free (list);
- }
- }
-
- return image;
-}
-
-static const gchar*
-gail_button_get_image_description (AtkImage *image) {
-
- GtkWidget *widget;
- GtkImage *button_image;
- AtkObject *obj;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
- if (widget == NULL)
- /*
- * State is defunct
- */
- return NULL;
-
- button_image = get_image_from_button (widget);
-
- if (button_image != NULL)
- {
- obj = gtk_widget_get_accessible (GTK_WIDGET (button_image));
- return atk_image_get_image_description (ATK_IMAGE (obj));
- }
- else
- return NULL;
-}
-
-static void
-gail_button_get_image_position (AtkImage *image,
- gint *x,
- gint *y,
- AtkCoordType coord_type)
-{
- GtkWidget *widget;
- GtkImage *button_image;
- AtkObject *obj;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
-
- if (widget == NULL)
- {
- /*
- * State is defunct
- */
- *x = G_MININT;
- *y = G_MININT;
- return;
- }
-
- button_image = get_image_from_button (widget);
-
- if (button_image != NULL)
- {
- obj = gtk_widget_get_accessible (GTK_WIDGET (button_image));
- atk_component_get_position (ATK_COMPONENT (obj), x, y, coord_type);
- }
- else
- {
- *x = G_MININT;
- *y = G_MININT;
- }
-}
-
-static void
-gail_button_get_image_size (AtkImage *image,
- gint *width,
- gint *height)
-{
- GtkWidget *widget;
- GtkImage *button_image;
- AtkObject *obj;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
-
- if (widget == NULL)
- {
- /*
- * State is defunct
- */
- *width = -1;
- *height = -1;
- return;
- }
-
- button_image = get_image_from_button (widget);
-
- if (button_image != NULL)
- {
- obj = gtk_widget_get_accessible (GTK_WIDGET (button_image));
- atk_image_get_image_size (ATK_IMAGE (obj), width, height);
- }
- else
- {
- *width = -1;
- *height = -1;
- }
-}
-
-static gboolean
-gail_button_set_image_description (AtkImage *image,
- const gchar *description)
-{
- GtkWidget *widget;
- GtkImage *button_image;
- AtkObject *obj;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
-
- if (widget == NULL)
- /*
- * State is defunct
- */
- return FALSE;
-
- button_image = get_image_from_button (widget);
-
- if (button_image != NULL)
- {
- obj = gtk_widget_get_accessible (GTK_WIDGET (button_image));
- return atk_image_set_image_description (ATK_IMAGE (obj), description);
- }
- else
- return FALSE;
-}
-
-/* atktext.h */
-
-static void
-atk_text_interface_init (AtkTextIface *iface)
-{
- iface->get_text = gail_button_get_text;
- iface->get_character_at_offset = gail_button_get_character_at_offset;
- iface->get_text_before_offset = gail_button_get_text_before_offset;
- iface->get_text_at_offset = gail_button_get_text_at_offset;
- iface->get_text_after_offset = gail_button_get_text_after_offset;
- iface->get_character_count = gail_button_get_character_count;
- iface->get_character_extents = gail_button_get_character_extents;
- iface->get_offset_at_point = gail_button_get_offset_at_point;
- iface->get_run_attributes = gail_button_get_run_attributes;
- iface->get_default_attributes = gail_button_get_default_attributes;
-}
-
-static gchar*
-gail_button_get_text (AtkText *text,
- gint start_pos,
- gint end_pos)
-{
- GtkWidget *widget;
- GtkWidget *label;
- GailButton *button;
- const gchar *label_text;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- label = get_label_from_button (widget, 0, FALSE);
-
- if (!GTK_IS_LABEL (label))
- return NULL;
-
- button = GAIL_BUTTON (text);
- if (!button->textutil)
- gail_button_init_textutil (button, label);
-
- label_text = gtk_label_get_text (GTK_LABEL (label));
-
- if (label_text == NULL)
- return NULL;
- else
- {
- return gail_text_util_get_substring (button->textutil,
- start_pos, end_pos);
- }
-}
-
-static gchar*
-gail_button_get_text_before_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GtkWidget *label;
- GailButton *button;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- /* Get label */
- label = get_label_from_button (widget, 0, FALSE);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- button = GAIL_BUTTON (text);
- if (!button->textutil)
- gail_button_init_textutil (button, label);
-
- return gail_text_util_get_text (button->textutil,
- gtk_label_get_layout (GTK_LABEL (label)), GAIL_BEFORE_OFFSET,
- boundary_type, offset, start_offset, end_offset);
-}
-
-static gchar*
-gail_button_get_text_at_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GtkWidget *label;
- GailButton *button;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- /* Get label */
- label = get_label_from_button (widget, 0, FALSE);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- button = GAIL_BUTTON (text);
- if (!button->textutil)
- gail_button_init_textutil (button, label);
-
- return gail_text_util_get_text (button->textutil,
- gtk_label_get_layout (GTK_LABEL (label)), GAIL_AT_OFFSET,
- boundary_type, offset, start_offset, end_offset);
-}
-
-static gchar*
-gail_button_get_text_after_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GtkWidget *label;
- GailButton *button;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- {
- /* State is defunct */
- return NULL;
- }
-
- /* Get label */
- label = get_label_from_button (widget, 0, FALSE);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- button = GAIL_BUTTON (text);
- if (!button->textutil)
- gail_button_init_textutil (button, label);
-
- return gail_text_util_get_text (button->textutil,
- gtk_label_get_layout (GTK_LABEL (label)), GAIL_AFTER_OFFSET,
- boundary_type, offset, start_offset, end_offset);
-}
-
-static gint
-gail_button_get_character_count (AtkText *text)
-{
- GtkWidget *widget;
- GtkWidget *label;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return 0;
-
- label = get_label_from_button (widget, 0, FALSE);
-
- if (!GTK_IS_LABEL(label))
- return 0;
-
- return g_utf8_strlen (gtk_label_get_text (GTK_LABEL (label)), -1);
-}
-
-static void
-gail_button_get_character_extents (AtkText *text,
- gint offset,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coords)
-{
- GtkWidget *widget;
- GtkWidget *label;
- PangoRectangle char_rect;
- gint index, x_layout, y_layout;
- const gchar *label_text;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return;
-
- label = get_label_from_button (widget, 0, FALSE);
-
- if (!GTK_IS_LABEL(label))
- return;
-
- gtk_label_get_layout_offsets (GTK_LABEL (label), &x_layout, &y_layout);
- label_text = gtk_label_get_text (GTK_LABEL (label));
- index = g_utf8_offset_to_pointer (label_text, offset) - label_text;
- pango_layout_index_to_pos (gtk_label_get_layout (GTK_LABEL (label)), index, &char_rect);
-
- gail_misc_get_extents_from_pango_rectangle (label, &char_rect,
- x_layout, y_layout, x, y, width, height, coords);
-}
-
-static gint
-gail_button_get_offset_at_point (AtkText *text,
- gint x,
- gint y,
- AtkCoordType coords)
-{
- GtkWidget *widget;
- GtkWidget *label;
- gint index, x_layout, y_layout;
- const gchar *label_text;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return -1;
-
- label = get_label_from_button (widget, 0, FALSE);
-
- if (!GTK_IS_LABEL(label))
- return -1;
-
- gtk_label_get_layout_offsets (GTK_LABEL (label), &x_layout, &y_layout);
-
- index = gail_misc_get_index_at_point_in_layout (label,
- gtk_label_get_layout (GTK_LABEL (label)),
- x_layout, y_layout, x, y, coords);
- label_text = gtk_label_get_text (GTK_LABEL (label));
- if (index == -1)
- {
- if (coords == ATK_XY_WINDOW || coords == ATK_XY_SCREEN)
- return g_utf8_strlen (label_text, -1);
-
- return index;
- }
- else
- return g_utf8_pointer_to_offset (label_text, label_text + index);
-}
-
-static AtkAttributeSet*
-gail_button_get_run_attributes (AtkText *text,
- gint offset,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- GtkWidget *label;
- AtkAttributeSet *at_set = NULL;
- GtkJustification justify;
- GtkTextDirection dir;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- label = get_label_from_button (widget, 0, FALSE);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- /* Get values set for entire label, if any */
- justify = gtk_label_get_justify (GTK_LABEL (label));
- if (justify != GTK_JUSTIFY_CENTER)
- {
- at_set = gail_misc_add_attribute (at_set,
- ATK_TEXT_ATTR_JUSTIFICATION,
- g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION, justify)));
- }
- dir = gtk_widget_get_direction (label);
- if (dir == GTK_TEXT_DIR_RTL)
- {
- at_set = gail_misc_add_attribute (at_set,
- ATK_TEXT_ATTR_DIRECTION,
- g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, dir)));
- }
-
- at_set = gail_misc_layout_get_run_attributes (at_set,
- gtk_label_get_layout (GTK_LABEL (label)),
- (gchar *) gtk_label_get_text (GTK_LABEL (label)),
- offset,
- start_offset,
- end_offset);
- return at_set;
-}
-
-static AtkAttributeSet*
-gail_button_get_default_attributes (AtkText *text)
-{
- GtkWidget *widget;
- GtkWidget *label;
- AtkAttributeSet *at_set = NULL;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- label = get_label_from_button (widget, 0, FALSE);
-
- if (!GTK_IS_LABEL(label))
- return NULL;
-
- at_set = gail_misc_get_default_attributes (at_set,
- gtk_label_get_layout (GTK_LABEL (label)),
- widget);
- return at_set;
-}
-
-static gunichar
-gail_button_get_character_at_offset (AtkText *text,
- gint offset)
-{
- GtkWidget *widget;
- GtkWidget *label;
- const gchar *string;
- gchar *index;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
-
- if (widget == NULL)
- /* State is defunct */
- return '\0';
-
- label = get_label_from_button (widget, 0, FALSE);
-
- if (!GTK_IS_LABEL(label))
- return '\0';
- string = gtk_label_get_text (GTK_LABEL (label));
- if (offset >= g_utf8_strlen (string, -1))
- return '\0';
- index = g_utf8_offset_to_pointer (string, offset);
-
- return g_utf8_get_char (index);
-}
-
-static void
-gail_button_finalize (GObject *object)
-{
- GailButton *button = GAIL_BUTTON (object);
-
- g_free (button->click_keybinding);
- if (button->textutil)
- {
- g_object_unref (button->textutil);
- }
- G_OBJECT_CLASS (gail_button_parent_class)->finalize (object);
-}
-
-static GtkWidget*
-find_label_child (GtkContainer *container,
- gint *index,
- gboolean allow_many)
-{
- GList *children, *tmp_list;
- GtkWidget *child;
-
- children = gtk_container_get_children (container);
-
- child = NULL;
- for (tmp_list = children; tmp_list != NULL; tmp_list = tmp_list->next)
- {
- if (GTK_IS_LABEL (tmp_list->data))
- {
- if (!allow_many)
- {
- if (child)
- {
- child = NULL;
- break;
- }
- child = GTK_WIDGET (tmp_list->data);
- }
- else
- {
- if (*index == 0)
- {
- child = GTK_WIDGET (tmp_list->data);
- break;
- }
- (*index)--;
- }
- }
- /*
- * Label for button which are GtkTreeView column headers are in a
- * GtkHBox in a GtkAlignment.
- */
- else if (GTK_IS_ALIGNMENT (tmp_list->data))
- {
- GtkWidget *widget;
-
- widget = gtk_bin_get_child (GTK_BIN (tmp_list->data));
- if (GTK_IS_LABEL (widget))
- {
- if (!allow_many)
- {
- if (child)
- {
- child = NULL;
- break;
- }
- child = widget;
- }
- else
- {
- if (*index == 0)
- {
- child = widget;
- break;
- }
- (*index)--;
- }
- }
- }
- else if (GTK_IS_CONTAINER (tmp_list->data))
- {
- child = find_label_child (GTK_CONTAINER (tmp_list->data), index, allow_many);
- if (child)
- break;
- }
- }
- g_list_free (children);
- return child;
-}
-
-static GtkWidget*
-get_label_from_button (GtkWidget *button,
- gint index,
- gboolean allow_many)
-{
- GtkWidget *child;
-
- if (index > 0 && !allow_many)
- g_warning ("Inconsistent values passed to get_label_from_button");
-
- child = gtk_bin_get_child (GTK_BIN (button));
- if (GTK_IS_ALIGNMENT (child))
- child = gtk_bin_get_child (GTK_BIN (child));
-
- if (GTK_IS_CONTAINER (child))
- child = find_label_child (GTK_CONTAINER (child), &index, allow_many);
- else if (!GTK_IS_LABEL (child))
- child = NULL;
-
- return child;
-}
-
-static void
-count_labels (GtkContainer *container,
- gint *n_labels)
-{
- GList *children, *tmp_list;
-
- children = gtk_container_get_children (container);
-
- for (tmp_list = children; tmp_list != NULL; tmp_list = tmp_list->next)
- {
- if (GTK_IS_LABEL (tmp_list->data))
- {
- (*n_labels)++;
- }
- /*
- * Label for button which are GtkTreeView column headers are in a
- * GtkHBox in a GtkAlignment.
- */
- else if (GTK_IS_ALIGNMENT (tmp_list->data))
- {
- GtkWidget *widget;
-
- widget = gtk_bin_get_child (GTK_BIN (tmp_list->data));
- if (GTK_IS_LABEL (widget))
- (*n_labels)++;
- }
- else if (GTK_IS_CONTAINER (tmp_list->data))
- {
- count_labels (GTK_CONTAINER (tmp_list->data), n_labels);
- }
- }
- g_list_free (children);
-}
-
-static gint
-get_n_labels_from_button (GtkWidget *button)
-{
- GtkWidget *child;
- gint n_labels;
-
- n_labels = 0;
-
- child = gtk_bin_get_child (GTK_BIN (button));
- if (GTK_IS_ALIGNMENT (child))
- child = gtk_bin_get_child (GTK_BIN (child));
-
- if (GTK_IS_CONTAINER (child))
- count_labels (GTK_CONTAINER (child), &n_labels);
-
- return n_labels;
-}
-
-static void
-set_role_for_button (AtkObject *accessible,
- GtkWidget *button)
-{
- GtkWidget *parent;
- AtkRole role;
-
- parent = gtk_widget_get_parent (button);
- if (GTK_IS_TREE_VIEW (parent))
- {
- role = ATK_ROLE_TABLE_COLUMN_HEADER;
- /*
- * Even though the accessible parent of the column header will
- * be reported as the table because the parent widget of the
- * GtkTreeViewColumn's button is the GtkTreeView we set
- * the accessible parent for column header to be the table
- * to ensure that atk_object_get_index_in_parent() returns
- * the correct value; see gail_widget_get_index_in_parent().
- */
- atk_object_set_parent (accessible, gtk_widget_get_accessible (parent));
- }
- else
- role = ATK_ROLE_PUSH_BUTTON;
-
- accessible->role = role;
-}
-
-static gint
-get_n_attached_menus (GtkWidget *widget)
-{
- GList *list_menus;
-
- if (widget == NULL)
- return 0;
-
- list_menus = g_object_get_data (G_OBJECT (widget), GAIL_BUTTON_ATTACHED_MENUS);
- if (list_menus == NULL)
- return 0;
-
- return g_list_length (list_menus);
-}
-
-static GtkWidget*
-get_nth_attached_menu (GtkWidget *widget,
- gint index)
-{
- GtkWidget *attached_menu;
- GList *list_menus;
-
- if (widget == NULL)
- return NULL;
-
- list_menus = g_object_get_data (G_OBJECT (widget), GAIL_BUTTON_ATTACHED_MENUS);
- if (list_menus == NULL ||
- index >= g_list_length (list_menus))
- return NULL;
-
- attached_menu = (GtkWidget *) g_list_nth_data (list_menus, index);
-
- return attached_menu;
-}
--- /dev/null
+/* GAIL - The GNOME Accessibility Implementation Library
+ * Copyright 2001, 2002, 2003 Sun Microsystems Inc.
+ *
+ * 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 <string.h>
+#include <gtk/gtk.h>
+#include "gtkbuttonaccessible.h"
+#include <libgail-util/gailmisc.h>
+
+
+static void atk_action_interface_init (AtkActionIface *iface);
+static void atk_image_interface_init (AtkImageIface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (GtkButtonAccessible, gtk_button_accessible, GAIL_TYPE_CONTAINER,
+ G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init)
+ G_IMPLEMENT_INTERFACE (ATK_TYPE_IMAGE, atk_image_interface_init))
+
+static void
+state_changed_cb (GtkWidget *widget, GtkStateFlags previous_flags)
+{
+ AtkObject *accessible;
+ GtkStateFlags flags;
+ gboolean was_active;
+ gboolean active;
+
+ flags = gtk_widget_get_state_flags (widget);
+
+ was_active = (previous_flags & GTK_STATE_FLAG_ACTIVE) != 0;
+ active = (flags & GTK_STATE_FLAG_ACTIVE) != 0;
+
+ accessible = gtk_widget_get_accessible (widget);
+ if (active && !was_active)
+ atk_object_notify_state_change (accessible, ATK_STATE_ARMED, TRUE);
+ else if (!active && was_active)
+ atk_object_notify_state_change (accessible, ATK_STATE_ARMED, FALSE);
+}
+
+static void
+gtk_button_accessible_initialize (AtkObject *obj,
+ gpointer data)
+{
+ GtkWidget *parent;
+
+ ATK_OBJECT_CLASS (gtk_button_accessible_parent_class)->initialize (obj, data);
+
+ g_signal_connect (data, "state-flags-changed", G_CALLBACK (state_changed_cb), NULL);
+
+ parent = gtk_widget_get_parent (gtk_accessible_get_widget (GTK_ACCESSIBLE (obj)));
+ if (GTK_IS_TREE_VIEW (parent))
+ {
+ /* Even though the accessible parent of the column header will
+ * be reported as the table because the parent widget of the
+ * GtkTreeViewColumn's button is the GtkTreeView we set
+ * the accessible parent for column header to be the table
+ * to ensure that atk_object_get_index_in_parent() returns
+ * the correct value; see gail_widget_get_index_in_parent().
+ */
+ atk_object_set_parent (obj, gtk_widget_get_accessible (parent));
+ obj->role = ATK_ROLE_TABLE_COLUMN_HEADER;
+ }
+ else
+ obj->role = ATK_ROLE_PUSH_BUTTON;
+}
+
+static GtkWidget *
+get_image_from_button (GtkWidget *button)
+{
+ GtkWidget *image;
+
+ image = gtk_button_get_image (GTK_BUTTON (button));
+ if (GTK_IS_IMAGE (image))
+ return image;
+
+ return NULL;
+}
+
+static GtkWidget *
+find_label_child (GtkContainer *container)
+{
+ GList *children, *tmp_list;
+ GtkWidget *child;
+
+ children = gtk_container_get_children (container);
+
+ child = NULL;
+ for (tmp_list = children; tmp_list != NULL; tmp_list = tmp_list->next)
+ {
+ if (GTK_IS_LABEL (tmp_list->data))
+ {
+ child = GTK_WIDGET (tmp_list->data);
+ break;
+ }
+ else if (GTK_IS_CONTAINER (tmp_list->data))
+ {
+ child = find_label_child (GTK_CONTAINER (tmp_list->data));
+ if (child)
+ break;
+ }
+ }
+ g_list_free (children);
+ return child;
+}
+
+static GtkWidget *
+get_label_from_button (GtkWidget *button)
+{
+ GtkWidget *child;
+
+ child = gtk_bin_get_child (GTK_BIN (button));
+ if (GTK_IS_ALIGNMENT (child))
+ child = gtk_bin_get_child (GTK_BIN (child));
+
+ if (GTK_IS_CONTAINER (child))
+ child = find_label_child (GTK_CONTAINER (child));
+ else if (!GTK_IS_LABEL (child))
+ child = NULL;
+
+ return child;
+}
+
+static const gchar *
+gtk_button_accessible_get_name (AtkObject *obj)
+{
+ const gchar *name = NULL;
+ GtkWidget *widget;
+ GtkWidget *child;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
+ if (widget == NULL)
+ return NULL;
+
+ name = ATK_OBJECT_CLASS (gtk_button_accessible_parent_class)->get_name (obj);
+ if (name != NULL)
+ return name;
+
+ child = get_label_from_button (widget);
+ if (GTK_IS_LABEL (child))
+ name = gtk_label_get_text (GTK_LABEL (child));
+ else
+ {
+ GtkWidget *image;
+
+ image = get_image_from_button (widget);
+ if (GTK_IS_IMAGE (image))
+ {
+ AtkObject *atk_obj;
+
+ atk_obj = gtk_widget_get_accessible (image);
+ name = atk_object_get_name (atk_obj);
+ }
+ }
+
+ return name;
+}
+
+static gint
+gtk_button_accessible_get_n_children (AtkObject* obj)
+{
+ return 0;
+}
+
+static AtkObject *
+gtk_button_accessible_ref_child (AtkObject *obj,
+ gint i)
+{
+ return NULL;
+}
+
+static AtkStateSet *
+gtk_button_accessible_ref_state_set (AtkObject *obj)
+{
+ AtkStateSet *state_set;
+ GtkWidget *widget;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
+ if (widget == NULL)
+ return NULL;
+
+ state_set = ATK_OBJECT_CLASS (gtk_button_accessible_parent_class)->ref_state_set (obj);
+
+ if ((gtk_widget_get_state_flags (widget) & GTK_STATE_FLAG_ACTIVE) != 0)
+ atk_state_set_add_state (state_set, ATK_STATE_ARMED);
+
+ if (!gtk_widget_get_can_focus (widget))
+ atk_state_set_remove_state (state_set, ATK_STATE_SELECTABLE);
+
+ return state_set;
+}
+
+static void
+gtk_button_accessible_notify_gtk (GObject *obj,
+ GParamSpec *pspec)
+{
+ GtkWidget *widget = GTK_WIDGET (obj);
+ AtkObject *atk_obj = gtk_widget_get_accessible (widget);
+
+ if (strcmp (pspec->name, "label") == 0)
+ {
+ if (atk_obj->name == NULL)
+ g_object_notify (G_OBJECT (atk_obj), "accessible-name");
+
+ g_signal_emit_by_name (atk_obj, "visible_data_changed");
+ }
+ else
+ GAIL_WIDGET_CLASS (gtk_button_accessible_parent_class)->notify_gtk (obj, pspec);
+}
+
+static void
+gtk_button_accessible_class_init (GtkButtonAccessibleClass *klass)
+{
+ AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
+ GailContainerClass *container_class = (GailContainerClass*)klass;
+ GailWidgetClass *widget_class = (GailWidgetClass*)klass;
+
+ class->get_name = gtk_button_accessible_get_name;
+ class->get_n_children = gtk_button_accessible_get_n_children;
+ class->ref_child = gtk_button_accessible_ref_child;
+ class->ref_state_set = gtk_button_accessible_ref_state_set;
+ class->initialize = gtk_button_accessible_initialize;
+
+ widget_class->notify_gtk = gtk_button_accessible_notify_gtk;
+
+ container_class->add_gtk = NULL;
+ container_class->remove_gtk = NULL;
+}
+
+static void
+gtk_button_accessible_init (GtkButtonAccessible *button)
+{
+}
+
+static gboolean
+gtk_button_accessible_do_action (AtkAction *action,
+ gint i)
+{
+ GtkWidget *widget;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
+ if (widget == NULL)
+ return FALSE;
+
+ if (i != 0)
+ return FALSE;
+
+ if (!gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget))
+ return FALSE;
+
+ gtk_button_clicked (GTK_BUTTON (widget));
+ return TRUE;
+}
+
+static gint
+gtk_button_accessible_get_n_actions (AtkAction *action)
+{
+ return 1;
+}
+
+static const gchar *
+gtk_button_accessible_get_keybinding (AtkAction *action,
+ gint i)
+{
+ GtkButtonAccessible *button;
+ gchar *return_value = NULL;
+ GtkWidget *widget;
+ GtkWidget *label;
+ guint key_val;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
+ if (widget == NULL)
+ return NULL;
+
+ if (i != 0)
+ return NULL;
+
+ button = GTK_BUTTON_ACCESSIBLE (action);
+
+ label = get_label_from_button (widget);
+ if (GTK_IS_LABEL (label))
+ {
+ key_val = gtk_label_get_mnemonic_keyval (GTK_LABEL (label));
+ if (key_val != GDK_KEY_VoidSymbol)
+ return_value = gtk_accelerator_name (key_val, GDK_MOD1_MASK);
+ }
+ if (return_value == NULL)
+ {
+ /* Find labelled-by relation */
+ AtkRelationSet *set;
+ AtkRelation *relation;
+ GPtrArray *target;
+ gpointer target_object;
+
+ set = atk_object_ref_relation_set (ATK_OBJECT (action));
+ if (set)
+ {
+ relation = atk_relation_set_get_relation_by_type (set, ATK_RELATION_LABELLED_BY);
+ if (relation)
+ {
+ target = atk_relation_get_target (relation);
+ target_object = g_ptr_array_index (target, 0);
+ label = gtk_accessible_get_widget (GTK_ACCESSIBLE (target_object));
+ }
+ g_object_unref (set);
+ }
+
+ if (GTK_IS_LABEL (label))
+ {
+ key_val = gtk_label_get_mnemonic_keyval (GTK_LABEL (label));
+ if (key_val != GDK_KEY_VoidSymbol)
+ return_value = gtk_accelerator_name (key_val, GDK_MOD1_MASK);
+ }
+ }
+ return return_value;
+}
+
+static const gchar *
+gtk_button_accessible_action_get_name (AtkAction *action,
+ gint i)
+{
+ if (i != 0)
+ return NULL;
+
+ return "click";
+}
+
+static void
+atk_action_interface_init (AtkActionIface *iface)
+{
+ iface->do_action = gtk_button_accessible_do_action;
+ iface->get_n_actions = gtk_button_accessible_get_n_actions;
+ iface->get_keybinding = gtk_button_accessible_get_keybinding;
+ iface->get_name = gtk_button_accessible_action_get_name;
+}
+
+static const gchar *
+gtk_button_accessible_get_image_description (AtkImage *image)
+{
+ GtkWidget *widget;
+ GtkWidget *button_image;
+ AtkObject *obj;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
+ if (widget == NULL)
+ return NULL;
+
+ button_image = get_image_from_button (widget);
+ if (GTK_IS_IMAGE (button_image))
+ {
+ obj = gtk_widget_get_accessible (button_image);
+ return atk_image_get_image_description (ATK_IMAGE (obj));
+ }
+
+ return NULL;
+}
+
+static void
+gtk_button_accessible_get_image_position (AtkImage *image,
+ gint *x,
+ gint *y,
+ AtkCoordType coord_type)
+{
+ GtkWidget *widget;
+ GtkImage *button_image;
+ AtkObject *obj;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
+ if (widget == NULL)
+ {
+ *x = G_MININT;
+ *y = G_MININT;
+ return;
+ }
+
+ button_image = get_image_from_button (widget);
+
+ if (button_image != NULL)
+ {
+ obj = gtk_widget_get_accessible (GTK_WIDGET (button_image));
+ atk_component_get_position (ATK_COMPONENT (obj), x, y, coord_type);
+ }
+ else
+ {
+ *x = G_MININT;
+ *y = G_MININT;
+ }
+}
+
+static void
+gtk_button_accessible_get_image_size (AtkImage *image,
+ gint *width,
+ gint *height)
+{
+ GtkWidget *widget;
+ GtkImage *button_image;
+ AtkObject *obj;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
+ if (widget == NULL)
+ {
+ *width = -1;
+ *height = -1;
+ return;
+ }
+
+ button_image = get_image_from_button (widget);
+
+ if (button_image != NULL)
+ {
+ obj = gtk_widget_get_accessible (GTK_WIDGET (button_image));
+ atk_image_get_image_size (ATK_IMAGE (obj), width, height);
+ }
+ else
+ {
+ *width = -1;
+ *height = -1;
+ }
+}
+
+static gboolean
+gtk_button_accessible_set_image_description (AtkImage *image,
+ const gchar *description)
+{
+ GtkWidget *widget;
+ GtkImage *button_image;
+ AtkObject *obj;
+
+ widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
+
+ if (widget == NULL)
+ return FALSE;
+
+ button_image = get_image_from_button (widget);
+
+ if (button_image != NULL)
+ {
+ obj = gtk_widget_get_accessible (GTK_WIDGET (button_image));
+ return atk_image_set_image_description (ATK_IMAGE (obj), description);
+ }
+
+ return FALSE;
+}
+
+static void
+atk_image_interface_init (AtkImageIface *iface)
+{
+ iface->get_image_description = gtk_button_accessible_get_image_description;
+ iface->get_image_position = gtk_button_accessible_get_image_position;
+ iface->get_image_size = gtk_button_accessible_get_image_size;
+ iface->set_image_description = gtk_button_accessible_set_image_description;
+}
projects / ~andy / gtk / commitdiff