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Rename and clean up gailutil

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This commit is contained in:
Matthias Clasen 2012-12-27 01:12:35 -05:00
parent 651241b685
commit 4cd806ff0c
7 changed files with 356 additions and 390 deletions
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4
gtk/a11y/Makefile.am
View File

@ -4,6 +4,7 @@ noinst_LTLIBRARIES = libgtka11y.la
gtka11y_c_sources = \
gtkaccessibility.c \
gtkaccessibilityutil.c \
gtkarrowaccessible.c \
gtkbooleancellaccessible.c \
gtkbuttonaccessible.c \
@ -49,7 +50,6 @@ gtka11y_c_sources = \
gtktreeviewaccessible.c \
gtkwidgetaccessible.c \
gtkwindowaccessible.c \
gailutil.c \
gailmisc.c
gail_private_h_sources = \
@ -105,7 +105,7 @@ gail_private_h_sources = \
gtktextviewaccessibleprivate.h \
gtkwidgetaccessibleprivate.h \
gtkaccessibility.h \
gailutil.h \
gtkaccessibilityutil.h \
gailmisc.h
libgtka11y_la_SOURCES = \

373
gtk/a11y/gailutil.c
View File

@ -1,373 +0,0 @@
/* GTK+ - accessibility implementations
* Copyright 2011, F123 Consulting & Mais Diferenças
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include <gtk/gtk.h>
#include "gailutil.h"
#include "gtktoplevelaccessible.h"
#include "gtkwindowaccessible.h"
static GSList *key_listener_list = NULL;
typedef struct _GailKeyEventInfo GailKeyEventInfo;
struct _GailKeyEventInfo
{
AtkKeyEventStruct *key_event;
gpointer func_data;
};
static gboolean
state_event_watcher (GSignalInvocationHint *hint,
guint n_param_values,
const GValue *param_values,
gpointer data)
{
GObject *object;
GtkWidget *widget;
AtkObject *atk_obj;
AtkObject *parent;
GdkEventWindowState *event;
gchar *signal_name;
object = g_value_get_object (param_values + 0);
if (!GTK_IS_WINDOW (object))
return FALSE;
event = g_value_get_boxed (param_values + 1);
if (event->type == GDK_WINDOW_STATE)
return FALSE;
widget = GTK_WIDGET (object);
if (event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
signal_name = "maximize";
else if (event->new_window_state & GDK_WINDOW_STATE_ICONIFIED)
signal_name = "minimize";
else if (event->new_window_state == 0)
signal_name = "restore";
else
return TRUE;
atk_obj = gtk_widget_get_accessible (widget);
if (GTK_IS_WINDOW_ACCESSIBLE (atk_obj))
{
parent = atk_object_get_parent (atk_obj);
if (parent == atk_get_root ())
g_signal_emit_by_name (atk_obj, signal_name);
return TRUE;
}
return FALSE;
}
static gboolean
configure_event_watcher (GSignalInvocationHint *hint,
guint n_param_values,
const GValue *param_values,
gpointer data)
{
GtkAllocation allocation;
GObject *object;
GtkWidget *widget;
AtkObject *atk_obj;
AtkObject *parent;
GdkEvent *event;
gchar *signal_name;
object = g_value_get_object (param_values + 0);
if (!GTK_IS_WINDOW (object))
return FALSE;
event = g_value_get_boxed (param_values + 1);
if (event->type != GDK_CONFIGURE)
return FALSE;
widget = GTK_WIDGET (object);
gtk_widget_get_allocation (widget, &allocation);
if (allocation.x == ((GdkEventConfigure *)event)->x &&
allocation.y == ((GdkEventConfigure *)event)->y &&
allocation.width == ((GdkEventConfigure *)event)->width &&
allocation.height == ((GdkEventConfigure *)event)->height)
return TRUE;
if (allocation.width != ((GdkEventConfigure *)event)->width ||
allocation.height != ((GdkEventConfigure *)event)->height)
signal_name = "resize";
else
signal_name = "move";
atk_obj = gtk_widget_get_accessible (widget);
if (GTK_IS_WINDOW_ACCESSIBLE (atk_obj))
{
parent = atk_object_get_parent (atk_obj);
if (parent == atk_get_root ())
g_signal_emit_by_name (atk_obj, signal_name);
return TRUE;
}
return FALSE;
}
static gboolean
window_focus (GtkWidget *widget,
GdkEventFocus *event)
{
AtkObject *atk_obj;
g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
atk_obj = gtk_widget_get_accessible (widget);
g_signal_emit_by_name (atk_obj, event->in ? "activate" : "deactivate");
return FALSE;
}
static void
window_added (AtkObject *atk_obj,
guint index,
AtkObject *child)
{
GtkWidget *widget;
if (!GTK_IS_WINDOW_ACCESSIBLE (child))
return;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (child));
if (!widget)
return;
g_signal_connect (widget, "focus-in-event", (GCallback) window_focus, NULL);
g_signal_connect (widget, "focus-out-event", (GCallback) window_focus, NULL);
g_signal_emit_by_name (child, "create");
}
static void
window_removed (AtkObject *atk_obj,
guint index,
AtkObject *child)
{
GtkWidget *widget;
GtkWindow *window;
if (!GTK_IS_WINDOW_ACCESSIBLE (child))
return;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (child));
if (!widget)
return;
window = GTK_WINDOW (widget);
/*
* Deactivate window if it is still focused and we are removing it. This
* can happen when a dialog displayed by gok is removed.
*/
if (gtk_window_is_active (window) &&
gtk_window_has_toplevel_focus (window))
g_signal_emit_by_name (child, "deactivate");
g_signal_handlers_disconnect_by_func (widget, (gpointer) window_focus, NULL);
g_signal_emit_by_name (child, "destroy");
}
static void
do_window_event_initialization (void)
{
AtkObject *root;
g_type_class_ref (GTK_TYPE_WINDOW_ACCESSIBLE);
g_signal_add_emission_hook (g_signal_lookup ("window-state-event", GTK_TYPE_WIDGET),
0, state_event_watcher, NULL, (GDestroyNotify) NULL);
g_signal_add_emission_hook (g_signal_lookup ("configure-event", GTK_TYPE_WIDGET),
0, configure_event_watcher, NULL, (GDestroyNotify) NULL);
root = atk_get_root ();
g_signal_connect (root, "children-changed::add",
(GCallback) window_added, NULL);
g_signal_connect (root, "children-changed::remove",
(GCallback) window_removed, NULL);
}
static void
undo_window_event_initialization (void)
{
AtkObject *root;
root = atk_get_root ();
g_signal_handlers_disconnect_by_func (root, (GCallback) window_added, NULL);
g_signal_handlers_disconnect_by_func (root, (GCallback) window_removed, NULL);
}
static AtkKeyEventStruct *
atk_key_event_from_gdk_event_key (GdkEventKey *key)
{
AtkKeyEventStruct *event = g_new0 (AtkKeyEventStruct, 1);
switch (key->type)
{
case GDK_KEY_PRESS:
event->type = ATK_KEY_EVENT_PRESS;
break;
case GDK_KEY_RELEASE:
event->type = ATK_KEY_EVENT_RELEASE;
break;
default:
g_assert_not_reached ();
return NULL;
}
event->state = key->state;
event->keyval = key->keyval;
event->length = key->length;
if (key->string && key->string [0] &&
(key->state & GDK_CONTROL_MASK ||
g_unichar_isgraph (g_utf8_get_char (key->string))))
{
event->string = key->string;
}
else if (key->type == GDK_KEY_PRESS ||
key->type == GDK_KEY_RELEASE)
{
event->string = gdk_keyval_name (key->keyval);
}
event->keycode = key->hardware_keycode;
event->timestamp = key->time;
#ifdef GAIL_DEBUG
g_print ("GailKey:\tsym %u\n\tmods %x\n\tcode %u\n\ttime %lx\n",
(unsigned int) event->keyval,
(unsigned int) event->state,
(unsigned int) event->keycode,
(unsigned long int) event->timestamp);
#endif
return event;
}
typedef struct {
AtkKeySnoopFunc func;
gpointer data;
guint key;
} KeyEventListener;
gboolean
_gail_util_key_snooper (GtkWidget *the_widget,
GdkEventKey *event)
{
GSList *l;
AtkKeyEventStruct *atk_event;
gboolean result;
atk_event = atk_key_event_from_gdk_event_key (event);
result = FALSE;
for (l = key_listener_list; l; l = l->next)
{
KeyEventListener *listener = l->data;
result |= listener->func (atk_event, listener->data);
}
g_free (atk_event);
return result;
}
static guint
gail_util_add_key_event_listener (AtkKeySnoopFunc listener_func,
gpointer listener_data)
{
static guint key = 0;
KeyEventListener *listener;
key++;
listener = g_slice_new0 (KeyEventListener);
listener->func = listener_func;
listener->data = listener_data;
listener->key = key;
key_listener_list = g_slist_append (key_listener_list, listener);
return key;
}
static void
gail_util_remove_key_event_listener (guint listener_key)
{
GSList *l;
for (l = key_listener_list; l; l = l->next)
{
KeyEventListener *listener = l->data;
if (listener->key == listener_key)
{
g_slice_free (KeyEventListener, listener);
key_listener_list = g_slist_delete_link (key_listener_list, l);
break;
}
}
}
static AtkObject *
gail_util_get_root (void)
{
static AtkObject *root = NULL;
if (!root)
{
root = g_object_new (GTK_TYPE_TOPLEVEL_ACCESSIBLE, NULL);
atk_object_initialize (root, NULL);
}
return root;
}
static const gchar *
gail_util_get_toolkit_name (void)
{
return "gtk";
}
static const gchar *
gail_util_get_toolkit_version (void)
{
return GTK_VERSION;
}
void
_gail_util_uninstall (void)
{
undo_window_event_initialization ();
}
void
_gail_util_install (void)
{
AtkUtilClass *atk_class = ATK_UTIL_CLASS (g_type_class_ref (ATK_TYPE_UTIL));
atk_class->add_key_event_listener = gail_util_add_key_event_listener;
atk_class->remove_key_event_listener = gail_util_remove_key_event_listener;
atk_class->get_root = gail_util_get_root;
atk_class->get_toolkit_name = gail_util_get_toolkit_name;
atk_class->get_toolkit_version = gail_util_get_toolkit_version;
do_window_event_initialization ();
}

190
gtk/a11y/gtkaccessibility.c
View File

@ -18,6 +18,8 @@
#include "config.h"
#include "gtkaccessibility.h"
#include "gtkaccessibilityutil.h"
#include "gtkwindowaccessible.h"
#include <stdio.h>
#include <stdlib.h>
@ -32,7 +34,6 @@
#include <gtk/gtktogglebutton.h>
#include <gtk/gtkcombobox.h>
#include <gtk/gtkaccessible.h>
#include "gailutil.h"
#include "gailmisc.h"
#ifdef GDK_WINDOWING_X11
@ -797,6 +798,186 @@ gail_set_focus_object (AtkObject *focus_obj,
}
}
static gboolean
state_event_watcher (GSignalInvocationHint *hint,
guint n_param_values,
const GValue *param_values,
gpointer data)
{
GObject *object;
GtkWidget *widget;
AtkObject *atk_obj;
AtkObject *parent;
GdkEventWindowState *event;
gchar *signal_name;
object = g_value_get_object (param_values + 0);
if (!GTK_IS_WINDOW (object))
return FALSE;
event = g_value_get_boxed (param_values + 1);
if (event->type == GDK_WINDOW_STATE)
return FALSE;
widget = GTK_WIDGET (object);
if (event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED)
signal_name = "maximize";
else if (event->new_window_state & GDK_WINDOW_STATE_ICONIFIED)
signal_name = "minimize";
else if (event->new_window_state == 0)
signal_name = "restore";
else
return TRUE;
atk_obj = gtk_widget_get_accessible (widget);
if (GTK_IS_WINDOW_ACCESSIBLE (atk_obj))
{
parent = atk_object_get_parent (atk_obj);
if (parent == atk_get_root ())
g_signal_emit_by_name (atk_obj, signal_name);
return TRUE;
}
return FALSE;
}
static gboolean
configure_event_watcher (GSignalInvocationHint *hint,
guint n_param_values,
const GValue *param_values,
gpointer data)
{
GtkAllocation allocation;
GObject *object;
GtkWidget *widget;
AtkObject *atk_obj;
AtkObject *parent;
GdkEvent *event;
gchar *signal_name;
object = g_value_get_object (param_values + 0);
if (!GTK_IS_WINDOW (object))
return FALSE;
event = g_value_get_boxed (param_values + 1);
if (event->type != GDK_CONFIGURE)
return FALSE;
widget = GTK_WIDGET (object);
gtk_widget_get_allocation (widget, &allocation);
if (allocation.x == ((GdkEventConfigure *)event)->x &&
allocation.y == ((GdkEventConfigure *)event)->y &&
allocation.width == ((GdkEventConfigure *)event)->width &&
allocation.height == ((GdkEventConfigure *)event)->height)
return TRUE;
if (allocation.width != ((GdkEventConfigure *)event)->width ||
allocation.height != ((GdkEventConfigure *)event)->height)
signal_name = "resize";
else
signal_name = "move";
atk_obj = gtk_widget_get_accessible (widget);
if (GTK_IS_WINDOW_ACCESSIBLE (atk_obj))
{
parent = atk_object_get_parent (atk_obj);
if (parent == atk_get_root ())
g_signal_emit_by_name (atk_obj, signal_name);
return TRUE;
}
return FALSE;
}
static gboolean
window_focus (GtkWidget *widget,
GdkEventFocus *event)
{
AtkObject *atk_obj;
g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
atk_obj = gtk_widget_get_accessible (widget);
g_signal_emit_by_name (atk_obj, event->in ? "activate" : "deactivate");
return FALSE;
}
static void
window_added (AtkObject *atk_obj,
guint index,
AtkObject *child)
{
GtkWidget *widget;
if (!GTK_IS_WINDOW_ACCESSIBLE (child))
return;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (child));
if (!widget)
return;
g_signal_connect (widget, "focus-in-event", (GCallback) window_focus, NULL);
g_signal_connect (widget, "focus-out-event", (GCallback) window_focus, NULL);
g_signal_emit_by_name (child, "create");
}
static void
window_removed (AtkObject *atk_obj,
guint index,
AtkObject *child)
{
GtkWidget *widget;
GtkWindow *window;
if (!GTK_IS_WINDOW_ACCESSIBLE (child))
return;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (child));
if (!widget)
return;
window = GTK_WINDOW (widget);
/*
* Deactivate window if it is still focused and we are removing it. This
* can happen when a dialog displayed by gok is removed.
*/
if (gtk_window_is_active (window) && gtk_window_has_toplevel_focus (window))
g_signal_emit_by_name (child, "deactivate");
g_signal_handlers_disconnect_by_func (widget, (gpointer) window_focus, NULL);
g_signal_emit_by_name (child, "destroy");
}
static void
do_window_event_initialization (void)
{
AtkObject *root;
g_type_class_ref (GTK_TYPE_WINDOW_ACCESSIBLE);
g_signal_add_emission_hook (g_signal_lookup ("window-state-event", GTK_TYPE_WIDGET),
0, state_event_watcher, NULL, (GDestroyNotify) NULL);
g_signal_add_emission_hook (g_signal_lookup ("configure-event", GTK_TYPE_WIDGET),
0, configure_event_watcher, NULL, (GDestroyNotify) NULL);
root = atk_get_root ();
g_signal_connect (root, "children-changed::add", (GCallback) window_added, NULL);
g_signal_connect (root, "children-changed::remove", (GCallback) window_removed, NULL);
}
static void
undo_window_event_initialization (void)
{
AtkObject *root;
root = atk_get_root ();
g_signal_handlers_disconnect_by_func (root, (GCallback) window_added, NULL);
g_signal_handlers_disconnect_by_func (root, (GCallback) window_removed, NULL);
}
void
_gtk_accessibility_shutdown (void)
{
@ -810,7 +991,8 @@ _gtk_accessibility_shutdown (void)
#ifdef GDK_WINDOWING_X11
atk_bridge_adaptor_cleanup ();
#endif
_gail_util_uninstall ();
undo_window_event_initialization ();
}
void
@ -825,7 +1007,9 @@ _gtk_accessibility_init (void)
atk_focus_tracker_init (gail_focus_tracker_init);
focus_tracker_id = atk_add_focus_tracker (gail_focus_tracker);
_gail_util_install ();
_gtk_accessibility_override_atk_util ();
do_window_event_initialization ();
#ifdef GDK_WINDOWING_X11
atk_bridge_adaptor_init (NULL, NULL);
#endif

8
gtk/a11y/gtkaccessibility.h
View File

@ -19,11 +19,15 @@
#define __GTK_ACCESSIBILITY_H__
#include <glib.h>
#include "gtk/gtkwidget.h"
G_BEGIN_DECLS
void _gtk_accessibility_shutdown (void);
void _gtk_accessibility_init (void);
void _gtk_accessibility_shutdown (void);
void _gtk_accessibility_init (void);
gboolean _gtk_accessibility_key_snooper (GtkWidget *widget,
GdkEventKey *event);
G_END_DECLS

156
gtk/a11y/gtkaccessibilityutil.c Normal file
View File

@ -0,0 +1,156 @@
/* GTK+ - accessibility implementations
* Copyright 2011, F123 Consulting & Mais Diferenças
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include <gtk/gtk.h>
#include "gtkaccessibility.h"
#include "gtkaccessibilityutil.h"
#include "gtktoplevelaccessible.h"
static GSList *key_listener_list = NULL;
typedef struct {
AtkKeySnoopFunc func;
gpointer data;
guint key;
} KeyEventListener;
static guint
add_key_event_listener (AtkKeySnoopFunc listener_func,
gpointer listener_data)
{
static guint key = 0;
KeyEventListener *listener;
key++;
listener = g_slice_new0 (KeyEventListener);
listener->func = listener_func;
listener->data = listener_data;
listener->key = key;
key_listener_list = g_slist_append (key_listener_list, listener);
return key;
}
static void
remove_key_event_listener (guint listener_key)
{
GSList *l;
for (l = key_listener_list; l; l = l->next)
{
KeyEventListener *listener = l->data;
if (listener->key == listener_key)
{
g_slice_free (KeyEventListener, listener);
key_listener_list = g_slist_delete_link (key_listener_list, l);
break;
}
}
}
static AtkObject *
get_root (void)
{
static AtkObject *root = NULL;
if (!root)
{
root = g_object_new (GTK_TYPE_TOPLEVEL_ACCESSIBLE, NULL);
atk_object_initialize (root, NULL);
}
return root;
}
static const gchar *
get_toolkit_name (void)
{
return "gtk";
}
static const gchar *
get_toolkit_version (void)
{
return GTK_VERSION;
}
void
_gtk_accessibility_override_atk_util (void)
{
AtkUtilClass *atk_class = ATK_UTIL_CLASS (g_type_class_ref (ATK_TYPE_UTIL));
atk_class->add_key_event_listener = add_key_event_listener;
atk_class->remove_key_event_listener = remove_key_event_listener;
atk_class->get_root = get_root;
atk_class->get_toolkit_name = get_toolkit_name;
atk_class->get_toolkit_version = get_toolkit_version;
}
static void
atk_key_event_from_gdk_event_key (GdkEventKey *key,
AtkKeyEventStruct *event)
{
if (key->type == GDK_KEY_PRESS)
event->type = ATK_KEY_EVENT_PRESS;
else if (key->type == GDK_KEY_RELEASE)
event->type = ATK_KEY_EVENT_RELEASE;
else
g_assert_not_reached ();
event->state = key->state;
event->keyval = key->keyval;
event->length = key->length;
if (key->string && key->string[0] &&
(key->state & GDK_CONTROL_MASK ||
g_unichar_isgraph (g_utf8_get_char (key->string))))
event->string = key->string;
else
event->string = gdk_keyval_name (key->keyval);
event->keycode = key->hardware_keycode;
event->timestamp = key->time;
}
gboolean
_gtk_accessibility_key_snooper (GtkWidget *widget,
GdkEventKey *event)
{
GSList *l;
AtkKeyEventStruct atk_event;
gboolean result;
result = FALSE;
atk_key_event_from_gdk_event_key (event, &atk_event);
for (l = key_listener_list; l; l = l->next)
{
KeyEventListener *listener = l->data;
result |= listener->func (&atk_event, listener->data);
}
return result;
}

12
gtk/a11y/gailutil.h → gtk/a11y/gtkaccessibilityutil.h
View File

@ -15,19 +15,15 @@
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GAIL_UTIL_H__
#define __GAIL_UTIL_H__
#ifndef __GTK_ACCESSIBILITY_UTIL_H__
#define __GTK_ACCESSIBILITY_UTIL_H__
#include <atk/atk.h>
G_BEGIN_DECLS
void _gail_util_install (void);
void _gail_util_uninstall (void);
gboolean _gail_util_key_snooper (GtkWidget *the_widget,
GdkEventKey *event);
void _gtk_accessibility_override_atk_util (void);
G_END_DECLS
#endif /* __GAIL_UTIL_H__ */
#endif /* __GTK_ACCESSIBILITY_UTIL_H__ */

3
gtk/gtkmain.c
View File

@ -129,7 +129,6 @@
#include "gtkwindowprivate.h"
#include "a11y/gtkaccessibility.h"
#include "a11y/gailutil.h"
/* Private type definitions
*/
@ -2241,7 +2240,7 @@ gtk_invoke_key_snoopers (GtkWidget *grab_widget,
GSList *slist;
gint return_val = FALSE;
return_val = _gail_util_key_snooper (grab_widget, (GdkEventKey *) event);
return_val = _gtk_accessibility_key_snooper (grab_widget, (GdkEventKey *) event);
slist = key_snoopers;
while (slist && !return_val)