forked from AuroraMiddleware/gtk
Convert GailRange to GtkRangeAccessible
This commit is contained in:
parent
5f6ed88b7a
commit
7f58482d4e
@ -34,7 +34,7 @@ gail_c_sources = \
|
||||
gailradiobutton.c \
|
||||
gailradiomenuitem.c \
|
||||
gailradiosubmenuitem.c \
|
||||
gailrange.c \
|
||||
gtkrangeaccessible.c \
|
||||
gailrenderercell.c \
|
||||
gtkscaleaccessible.c \
|
||||
gailscalebutton.c \
|
||||
@ -86,7 +86,7 @@ gail_private_h_sources = \
|
||||
gailradiobutton.h \
|
||||
gailradiomenuitem.h \
|
||||
gailradiosubmenuitem.h \
|
||||
gailrange.h \
|
||||
gtkrangeaccessible.h \
|
||||
gailrenderercell.h \
|
||||
gtkscaleaccessible.h \
|
||||
gailscalebutton.h \
|
||||
|
@ -1,445 +0,0 @@
|
||||
/* 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 <gdk/gdkkeysyms.h>
|
||||
#include "gailrange.h"
|
||||
#include "gailadjustment.h"
|
||||
#include "gail-private-macros.h"
|
||||
|
||||
static void gail_range_class_init (GailRangeClass *klass);
|
||||
|
||||
static void gail_range_init (GailRange *range);
|
||||
|
||||
static void gail_range_real_initialize (AtkObject *obj,
|
||||
gpointer data);
|
||||
|
||||
static void gail_range_finalize (GObject *object);
|
||||
|
||||
static void gail_range_real_notify_gtk (GObject *obj,
|
||||
GParamSpec *pspec);
|
||||
|
||||
static void atk_value_interface_init (AtkValueIface *iface);
|
||||
static void gail_range_get_current_value (AtkValue *obj,
|
||||
GValue *value);
|
||||
static void gail_range_get_maximum_value (AtkValue *obj,
|
||||
GValue *value);
|
||||
static void gail_range_get_minimum_value (AtkValue *obj,
|
||||
GValue *value);
|
||||
static void gail_range_get_minimum_increment (AtkValue *obj,
|
||||
GValue *value);
|
||||
static gboolean gail_range_set_current_value (AtkValue *obj,
|
||||
const GValue *value);
|
||||
static void gail_range_value_changed (GtkAdjustment *adjustment,
|
||||
gpointer data);
|
||||
|
||||
static void atk_action_interface_init (AtkActionIface *iface);
|
||||
static gboolean gail_range_do_action (AtkAction *action,
|
||||
gint i);
|
||||
static gboolean idle_do_action (gpointer data);
|
||||
static gint gail_range_get_n_actions (AtkAction *action);
|
||||
static const gchar* gail_range_get_keybinding (AtkAction *action,
|
||||
gint i);
|
||||
static const gchar* gail_range_action_get_name (AtkAction *action,
|
||||
gint i);
|
||||
|
||||
G_DEFINE_TYPE_WITH_CODE (GailRange, gail_range, GAIL_TYPE_WIDGET,
|
||||
G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init)
|
||||
G_IMPLEMENT_INTERFACE (ATK_TYPE_VALUE, atk_value_interface_init))
|
||||
|
||||
static void
|
||||
gail_range_class_init (GailRangeClass *klass)
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||||
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
|
||||
GailWidgetClass *widget_class;
|
||||
|
||||
widget_class = (GailWidgetClass*)klass;
|
||||
|
||||
widget_class->notify_gtk = gail_range_real_notify_gtk;
|
||||
|
||||
class->initialize = gail_range_real_initialize;
|
||||
|
||||
gobject_class->finalize = gail_range_finalize;
|
||||
}
|
||||
|
||||
static void
|
||||
gail_range_init (GailRange *range)
|
||||
{
|
||||
}
|
||||
|
||||
static void
|
||||
gail_range_real_initialize (AtkObject *obj,
|
||||
gpointer data)
|
||||
{
|
||||
GailRange *range = GAIL_RANGE (obj);
|
||||
GtkAdjustment *adj;
|
||||
GtkRange *gtk_range;
|
||||
|
||||
ATK_OBJECT_CLASS (gail_range_parent_class)->initialize (obj, data);
|
||||
|
||||
gtk_range = GTK_RANGE (data);
|
||||
/*
|
||||
* If a GtkAdjustment already exists for the GtkRange,
|
||||
* create the GailAdjustment
|
||||
*/
|
||||
adj = gtk_range_get_adjustment (gtk_range);
|
||||
if (adj)
|
||||
{
|
||||
range->adjustment = gail_adjustment_new (adj);
|
||||
g_signal_connect (adj,
|
||||
"value-changed",
|
||||
G_CALLBACK (gail_range_value_changed),
|
||||
range);
|
||||
}
|
||||
else
|
||||
range->adjustment = NULL;
|
||||
range->activate_keybinding=NULL;
|
||||
/*
|
||||
* Assumed to GtkScale (either GtkHScale or GtkVScale)
|
||||
*/
|
||||
obj->role = ATK_ROLE_SLIDER;
|
||||
}
|
||||
|
||||
static void
|
||||
atk_value_interface_init (AtkValueIface *iface)
|
||||
{
|
||||
iface->get_current_value = gail_range_get_current_value;
|
||||
iface->get_maximum_value = gail_range_get_maximum_value;
|
||||
iface->get_minimum_value = gail_range_get_minimum_value;
|
||||
iface->get_minimum_increment = gail_range_get_minimum_increment;
|
||||
iface->set_current_value = gail_range_set_current_value;
|
||||
}
|
||||
|
||||
static void
|
||||
gail_range_get_current_value (AtkValue *obj,
|
||||
GValue *value)
|
||||
{
|
||||
GailRange *range;
|
||||
|
||||
g_return_if_fail (GAIL_IS_RANGE (obj));
|
||||
|
||||
range = GAIL_RANGE (obj);
|
||||
if (range->adjustment == NULL)
|
||||
/*
|
||||
* Adjustment has not been specified
|
||||
*/
|
||||
return;
|
||||
|
||||
atk_value_get_current_value (ATK_VALUE (range->adjustment), value);
|
||||
}
|
||||
|
||||
static void
|
||||
gail_range_get_maximum_value (AtkValue *obj,
|
||||
GValue *value)
|
||||
{
|
||||
GailRange *range;
|
||||
GtkRange *gtk_range;
|
||||
GtkAdjustment *gtk_adjustment;
|
||||
gdouble max = 0;
|
||||
|
||||
g_return_if_fail (GAIL_IS_RANGE (obj));
|
||||
|
||||
range = GAIL_RANGE (obj);
|
||||
if (range->adjustment == NULL)
|
||||
/*
|
||||
* Adjustment has not been specified
|
||||
*/
|
||||
return;
|
||||
|
||||
atk_value_get_maximum_value (ATK_VALUE (range->adjustment), value);
|
||||
|
||||
gtk_range = GTK_RANGE (gtk_accessible_get_widget (GTK_ACCESSIBLE (range)));
|
||||
g_return_if_fail (gtk_range);
|
||||
|
||||
gtk_adjustment = gtk_range_get_adjustment (gtk_range);
|
||||
max = g_value_get_double (value);
|
||||
max -= gtk_adjustment_get_page_size (gtk_adjustment);
|
||||
|
||||
if (gtk_range_get_restrict_to_fill_level (gtk_range))
|
||||
max = MIN (max, gtk_range_get_fill_level (gtk_range));
|
||||
|
||||
g_value_set_double (value, max);
|
||||
}
|
||||
|
||||
static void
|
||||
gail_range_get_minimum_value (AtkValue *obj,
|
||||
GValue *value)
|
||||
{
|
||||
GailRange *range;
|
||||
|
||||
g_return_if_fail (GAIL_IS_RANGE (obj));
|
||||
|
||||
range = GAIL_RANGE (obj);
|
||||
if (range->adjustment == NULL)
|
||||
/*
|
||||
* Adjustment has not been specified
|
||||
*/
|
||||
return;
|
||||
|
||||
atk_value_get_minimum_value (ATK_VALUE (range->adjustment), value);
|
||||
}
|
||||
|
||||
static void
|
||||
gail_range_get_minimum_increment (AtkValue *obj, GValue *value)
|
||||
{
|
||||
GailRange *range;
|
||||
|
||||
g_return_if_fail (GAIL_IS_RANGE (obj));
|
||||
|
||||
range = GAIL_RANGE (obj);
|
||||
if (range->adjustment == NULL)
|
||||
/*
|
||||
* Adjustment has not been specified
|
||||
*/
|
||||
return;
|
||||
|
||||
atk_value_get_minimum_increment (ATK_VALUE (range->adjustment), value);
|
||||
}
|
||||
|
||||
static gboolean gail_range_set_current_value (AtkValue *obj,
|
||||
const GValue *value)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
|
||||
g_return_val_if_fail (GAIL_IS_RANGE (obj), FALSE);
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
|
||||
if (widget == NULL)
|
||||
return FALSE;
|
||||
|
||||
if (G_VALUE_HOLDS_DOUBLE (value))
|
||||
{
|
||||
GtkRange *range = GTK_RANGE (widget);
|
||||
gdouble new_value;
|
||||
|
||||
new_value = g_value_get_double (value);
|
||||
gtk_range_set_value (range, new_value);
|
||||
return TRUE;
|
||||
}
|
||||
else
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gail_range_finalize (GObject *object)
|
||||
{
|
||||
GailRange *range = GAIL_RANGE (object);
|
||||
|
||||
if (range->adjustment)
|
||||
{
|
||||
/*
|
||||
* The GtkAdjustment may live on so we need to dicsonnect the
|
||||
* signal handler
|
||||
*/
|
||||
if (GAIL_ADJUSTMENT (range->adjustment)->adjustment)
|
||||
{
|
||||
g_signal_handlers_disconnect_by_func (GAIL_ADJUSTMENT (range->adjustment)->adjustment,
|
||||
(void *)gail_range_value_changed,
|
||||
range);
|
||||
}
|
||||
g_object_unref (range->adjustment);
|
||||
range->adjustment = NULL;
|
||||
}
|
||||
range->activate_keybinding=NULL;
|
||||
if (range->action_idle_handler)
|
||||
{
|
||||
g_source_remove (range->action_idle_handler);
|
||||
range->action_idle_handler = 0;
|
||||
}
|
||||
|
||||
G_OBJECT_CLASS (gail_range_parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
gail_range_real_notify_gtk (GObject *obj,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
GtkAdjustment *adj;
|
||||
GtkWidget *widget = GTK_WIDGET (obj);
|
||||
GailRange *range = GAIL_RANGE (gtk_widget_get_accessible (widget));
|
||||
|
||||
if (strcmp (pspec->name, "adjustment") == 0)
|
||||
{
|
||||
/*
|
||||
* Get rid of the GailAdjustment for the GtkAdjustment
|
||||
* which was associated with the range.
|
||||
*/
|
||||
if (range->adjustment)
|
||||
{
|
||||
g_object_unref (range->adjustment);
|
||||
range->adjustment = NULL;
|
||||
}
|
||||
/*
|
||||
* Create the GailAdjustment when notify for "adjustment" property
|
||||
* is received
|
||||
*/
|
||||
adj = gtk_range_get_adjustment (GTK_RANGE (widget));
|
||||
range->adjustment = gail_adjustment_new (adj);
|
||||
g_signal_connect (adj,
|
||||
"value-changed",
|
||||
G_CALLBACK (gail_range_value_changed),
|
||||
range);
|
||||
}
|
||||
else
|
||||
GAIL_WIDGET_CLASS (gail_range_parent_class)->notify_gtk (obj, pspec);
|
||||
}
|
||||
|
||||
static void
|
||||
gail_range_value_changed (GtkAdjustment *adjustment,
|
||||
gpointer data)
|
||||
{
|
||||
GailRange *range;
|
||||
|
||||
g_return_if_fail (adjustment != NULL);
|
||||
gail_return_if_fail (data != NULL);
|
||||
|
||||
range = GAIL_RANGE (data);
|
||||
|
||||
g_object_notify (G_OBJECT (range), "accessible-value");
|
||||
}
|
||||
|
||||
static void
|
||||
atk_action_interface_init (AtkActionIface *iface)
|
||||
{
|
||||
iface->do_action = gail_range_do_action;
|
||||
iface->get_n_actions = gail_range_get_n_actions;
|
||||
iface->get_keybinding = gail_range_get_keybinding;
|
||||
iface->get_name = gail_range_action_get_name;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gail_range_do_action (AtkAction *action,
|
||||
gint i)
|
||||
{
|
||||
GailRange *range;
|
||||
GtkWidget *widget;
|
||||
gboolean return_value = TRUE;
|
||||
|
||||
range = GAIL_RANGE (action);
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
|
||||
if (widget == NULL)
|
||||
/*
|
||||
* State is defunct
|
||||
*/
|
||||
return FALSE;
|
||||
if (!gtk_widget_get_sensitive (widget) || !gtk_widget_get_visible (widget))
|
||||
return FALSE;
|
||||
if(i==0)
|
||||
{
|
||||
if (range->action_idle_handler)
|
||||
return_value = FALSE;
|
||||
else
|
||||
range->action_idle_handler = gdk_threads_add_idle (idle_do_action, range);
|
||||
}
|
||||
else
|
||||
return_value = FALSE;
|
||||
return return_value;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
idle_do_action (gpointer data)
|
||||
{
|
||||
GailRange *range;
|
||||
GtkWidget *widget;
|
||||
|
||||
range = GAIL_RANGE (data);
|
||||
range->action_idle_handler = 0;
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (range));
|
||||
if (widget == NULL /* State is defunct */ ||
|
||||
!gtk_widget_get_sensitive (widget) || !gtk_widget_get_visible (widget))
|
||||
return FALSE;
|
||||
|
||||
gtk_widget_activate (widget);
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
static gint
|
||||
gail_range_get_n_actions (AtkAction *action)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
static const gchar*
|
||||
gail_range_get_keybinding (AtkAction *action,
|
||||
gint i)
|
||||
{
|
||||
GailRange *range;
|
||||
gchar *return_value = NULL;
|
||||
range = GAIL_RANGE (action);
|
||||
if(i==0)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
GtkWidget *label;
|
||||
AtkRelationSet *set;
|
||||
AtkRelation *relation;
|
||||
GPtrArray *target;
|
||||
gpointer target_object;
|
||||
guint key_val;
|
||||
|
||||
range = GAIL_RANGE (action);
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (range));
|
||||
if (widget == NULL)
|
||||
return NULL;
|
||||
set = atk_object_ref_relation_set (ATK_OBJECT (action));
|
||||
|
||||
if (!set)
|
||||
return NULL;
|
||||
label = NULL;
|
||||
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 (range->activate_keybinding);
|
||||
range->activate_keybinding = return_value;
|
||||
}
|
||||
return return_value;
|
||||
}
|
||||
|
||||
static const gchar*
|
||||
gail_range_action_get_name (AtkAction *action,
|
||||
gint i)
|
||||
{
|
||||
const gchar *return_value;
|
||||
|
||||
if (i==0)
|
||||
return_value = "activate";
|
||||
else
|
||||
return_value = NULL;
|
||||
|
||||
return return_value;
|
||||
}
|
||||
|
@ -1,56 +0,0 @@
|
||||
/* GAIL - The GNOME Accessibility Implementation Library
|
||||
* Copyright 2001 Sun Microsystems Inc.
|
||||
*
|
||||
* 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_RANGE_H__
|
||||
#define __GAIL_RANGE_H__
|
||||
|
||||
#include "gailwidget.h"
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GAIL_TYPE_RANGE (gail_range_get_type ())
|
||||
#define GAIL_RANGE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GAIL_TYPE_RANGE, GailRange))
|
||||
#define GAIL_RANGE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GAIL_TYPE_RANGE, GailRangeClass))
|
||||
#define GAIL_IS_RANGE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GAIL_TYPE_RANGE))
|
||||
#define GAIL_IS_RANGE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GAIL_TYPE_RANGE))
|
||||
#define GAIL_RANGE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GAIL_TYPE_RANGE, GailRangeClass))
|
||||
|
||||
typedef struct _GailRange GailRange;
|
||||
typedef struct _GailRangeClass GailRangeClass;
|
||||
|
||||
struct _GailRange
|
||||
{
|
||||
GailWidget parent;
|
||||
|
||||
AtkObject *adjustment;
|
||||
gchar *activate_keybinding;
|
||||
guint action_idle_handler;
|
||||
|
||||
};
|
||||
|
||||
GType gail_range_get_type (void);
|
||||
|
||||
struct _GailRangeClass
|
||||
{
|
||||
GailWidgetClass parent_class;
|
||||
};
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GAIL_RANGE_H__ */
|
365
gtk/a11y/gtkrangeaccessible.c
Normal file
365
gtk/a11y/gtkrangeaccessible.c
Normal file
@ -0,0 +1,365 @@
|
||||
/* 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 <gdk/gdkkeysyms.h>
|
||||
#include "gtkrangeaccessible.h"
|
||||
#include "gailadjustment.h"
|
||||
|
||||
|
||||
static void atk_action_interface_init (AtkActionIface *iface);
|
||||
static void atk_value_interface_init (AtkValueIface *iface);
|
||||
|
||||
G_DEFINE_TYPE_WITH_CODE (GtkRangeAccessible, gtk_range_accessible, GAIL_TYPE_WIDGET,
|
||||
G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init)
|
||||
G_IMPLEMENT_INTERFACE (ATK_TYPE_VALUE, atk_value_interface_init))
|
||||
|
||||
static void
|
||||
gtk_range_accessible_value_changed (GtkAdjustment *adjustment,
|
||||
gpointer data)
|
||||
{
|
||||
g_object_notify (G_OBJECT (data), "accessible-value");
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_range_accessible_initialize (AtkObject *obj,
|
||||
gpointer data)
|
||||
{
|
||||
GtkRangeAccessible *range = GTK_RANGE_ACCESSIBLE (obj);
|
||||
GtkAdjustment *adj;
|
||||
GtkRange *gtk_range;
|
||||
|
||||
ATK_OBJECT_CLASS (gtk_range_accessible_parent_class)->initialize (obj, data);
|
||||
|
||||
gtk_range = GTK_RANGE (data);
|
||||
/*
|
||||
* If a GtkAdjustment already exists for the GtkRange,
|
||||
* create the GailAdjustment
|
||||
*/
|
||||
adj = gtk_range_get_adjustment (gtk_range);
|
||||
if (adj)
|
||||
{
|
||||
range->adjustment = gail_adjustment_new (adj);
|
||||
g_signal_connect (adj,
|
||||
"value-changed",
|
||||
G_CALLBACK (gtk_range_accessible_value_changed),
|
||||
range);
|
||||
}
|
||||
else
|
||||
range->adjustment = NULL;
|
||||
|
||||
obj->role = ATK_ROLE_SLIDER;
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_range_accessible_finalize (GObject *object)
|
||||
{
|
||||
GtkRangeAccessible *range = GTK_RANGE_ACCESSIBLE (object);
|
||||
|
||||
if (range->adjustment)
|
||||
{
|
||||
/* The GtkAdjustment may live on so we need to disconnect
|
||||
* the signal handler
|
||||
*/
|
||||
if (GAIL_ADJUSTMENT (range->adjustment)->adjustment)
|
||||
g_signal_handlers_disconnect_by_func (GAIL_ADJUSTMENT (range->adjustment)->adjustment,
|
||||
(void *)gtk_range_accessible_value_changed,
|
||||
range);
|
||||
|
||||
g_object_unref (range->adjustment);
|
||||
range->adjustment = NULL;
|
||||
}
|
||||
|
||||
if (range->action_idle_handler)
|
||||
{
|
||||
g_source_remove (range->action_idle_handler);
|
||||
range->action_idle_handler = 0;
|
||||
}
|
||||
|
||||
G_OBJECT_CLASS (gtk_range_accessible_parent_class)->finalize (object);
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_range_accessible_notify_gtk (GObject *obj,
|
||||
GParamSpec *pspec)
|
||||
{
|
||||
GtkAdjustment *adj;
|
||||
GtkWidget *widget = GTK_WIDGET (obj);
|
||||
GtkRangeAccessible *range = GTK_RANGE_ACCESSIBLE (gtk_widget_get_accessible (widget));
|
||||
|
||||
if (strcmp (pspec->name, "adjustment") == 0)
|
||||
{
|
||||
/* Get rid of the GailAdjustment for the GtkAdjustment
|
||||
* which was associated with the range.
|
||||
*/
|
||||
if (range->adjustment)
|
||||
{
|
||||
g_object_unref (range->adjustment);
|
||||
range->adjustment = NULL;
|
||||
}
|
||||
|
||||
/* Create the GailAdjustment when notify for "adjustment" property
|
||||
* is received
|
||||
*/
|
||||
adj = gtk_range_get_adjustment (GTK_RANGE (widget));
|
||||
range->adjustment = gail_adjustment_new (adj);
|
||||
g_signal_connect (adj,
|
||||
"value-changed",
|
||||
G_CALLBACK (gtk_range_accessible_value_changed),
|
||||
range);
|
||||
}
|
||||
else
|
||||
GAIL_WIDGET_CLASS (gtk_range_accessible_parent_class)->notify_gtk (obj, pspec);
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
gtk_range_accessible_class_init (GtkRangeAccessibleClass *klass)
|
||||
{
|
||||
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
|
||||
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
|
||||
GailWidgetClass *widget_class = (GailWidgetClass*)klass;
|
||||
|
||||
widget_class->notify_gtk = gtk_range_accessible_notify_gtk;
|
||||
|
||||
class->initialize = gtk_range_accessible_initialize;
|
||||
|
||||
gobject_class->finalize = gtk_range_accessible_finalize;
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_range_accessible_init (GtkRangeAccessible *range)
|
||||
{
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_range_accessible_get_current_value (AtkValue *obj,
|
||||
GValue *value)
|
||||
{
|
||||
GtkRangeAccessible *range = GTK_RANGE_ACCESSIBLE (obj);
|
||||
|
||||
if (range->adjustment == NULL)
|
||||
return;
|
||||
|
||||
atk_value_get_current_value (ATK_VALUE (range->adjustment), value);
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_range_accessible_get_maximum_value (AtkValue *obj,
|
||||
GValue *value)
|
||||
{
|
||||
GtkRangeAccessible *range = GTK_RANGE_ACCESSIBLE (obj);
|
||||
GtkRange *gtk_range;
|
||||
GtkAdjustment *gtk_adjustment;
|
||||
gdouble max = 0;
|
||||
|
||||
if (range->adjustment == NULL)
|
||||
return;
|
||||
|
||||
atk_value_get_maximum_value (ATK_VALUE (range->adjustment), value);
|
||||
|
||||
gtk_range = GTK_RANGE (gtk_accessible_get_widget (GTK_ACCESSIBLE (range)));
|
||||
|
||||
gtk_adjustment = gtk_range_get_adjustment (gtk_range);
|
||||
max = g_value_get_double (value);
|
||||
max -= gtk_adjustment_get_page_size (gtk_adjustment);
|
||||
|
||||
if (gtk_range_get_restrict_to_fill_level (gtk_range))
|
||||
max = MIN (max, gtk_range_get_fill_level (gtk_range));
|
||||
|
||||
g_value_set_double (value, max);
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_range_accessible_get_minimum_value (AtkValue *obj,
|
||||
GValue *value)
|
||||
{
|
||||
GtkRangeAccessible *range = GTK_RANGE_ACCESSIBLE (obj);
|
||||
|
||||
if (range->adjustment == NULL)
|
||||
return;
|
||||
|
||||
atk_value_get_minimum_value (ATK_VALUE (range->adjustment), value);
|
||||
}
|
||||
|
||||
static void
|
||||
gtk_range_accessible_get_minimum_increment (AtkValue *obj,
|
||||
GValue *value)
|
||||
{
|
||||
GtkRangeAccessible *range = GTK_RANGE_ACCESSIBLE (obj);
|
||||
|
||||
if (range->adjustment == NULL)
|
||||
return;
|
||||
|
||||
atk_value_get_minimum_increment (ATK_VALUE (range->adjustment), value);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gtk_range_accessible_set_current_value (AtkValue *obj,
|
||||
const GValue *value)
|
||||
{
|
||||
GtkWidget *widget;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
|
||||
if (widget == NULL)
|
||||
return FALSE;
|
||||
|
||||
if (G_VALUE_HOLDS_DOUBLE (value))
|
||||
{
|
||||
GtkRange *range = GTK_RANGE (widget);
|
||||
gdouble new_value;
|
||||
|
||||
new_value = g_value_get_double (value);
|
||||
gtk_range_set_value (range, new_value);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
else
|
||||
{
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
atk_value_interface_init (AtkValueIface *iface)
|
||||
{
|
||||
iface->get_current_value = gtk_range_accessible_get_current_value;
|
||||
iface->get_maximum_value = gtk_range_accessible_get_maximum_value;
|
||||
iface->get_minimum_value = gtk_range_accessible_get_minimum_value;
|
||||
iface->get_minimum_increment = gtk_range_accessible_get_minimum_increment;
|
||||
iface->set_current_value = gtk_range_accessible_set_current_value;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
idle_do_action (gpointer data)
|
||||
{
|
||||
GtkRangeAccessible *range = GTK_RANGE_ACCESSIBLE (data);
|
||||
GtkWidget *widget;
|
||||
|
||||
range->action_idle_handler = 0;
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (range));
|
||||
if (widget == NULL)
|
||||
return FALSE;
|
||||
|
||||
if (!gtk_widget_get_sensitive (widget) || !gtk_widget_get_visible (widget))
|
||||
return FALSE;
|
||||
|
||||
gtk_widget_activate (widget);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gtk_range_accessible_do_action (AtkAction *action,
|
||||
gint i)
|
||||
{
|
||||
GtkRangeAccessible *range = GTK_RANGE_ACCESSIBLE (action);
|
||||
GtkWidget *widget;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
|
||||
if (widget == NULL)
|
||||
return FALSE;
|
||||
|
||||
if (!gtk_widget_get_sensitive (widget) || !gtk_widget_get_visible (widget))
|
||||
return FALSE;
|
||||
|
||||
if (i != 0)
|
||||
return FALSE;
|
||||
|
||||
if (range->action_idle_handler)
|
||||
return FALSE;
|
||||
|
||||
range->action_idle_handler = gdk_threads_add_idle (idle_do_action, range);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gint
|
||||
gtk_range_accessible_get_n_actions (AtkAction *action)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
static const gchar *
|
||||
gtk_range_accessible_get_keybinding (AtkAction *action,
|
||||
gint i)
|
||||
{
|
||||
GtkRangeAccessible *range = GTK_RANGE_ACCESSIBLE (action);
|
||||
GtkWidget *widget;
|
||||
GtkWidget *label;
|
||||
AtkRelationSet *set;
|
||||
AtkRelation *relation;
|
||||
GPtrArray *target;
|
||||
gpointer target_object;
|
||||
guint key_val;
|
||||
gchar *return_value = NULL;
|
||||
|
||||
if (i != 0)
|
||||
return NULL;
|
||||
|
||||
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (range));
|
||||
if (widget == NULL)
|
||||
return NULL;
|
||||
|
||||
set = atk_object_ref_relation_set (ATK_OBJECT (action));
|
||||
|
||||
if (!set)
|
||||
return NULL;
|
||||
|
||||
label = NULL;
|
||||
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_range_accessible_action_get_name (AtkAction *action,
|
||||
gint i)
|
||||
{
|
||||
if (i != 0)
|
||||
return NULL;
|
||||
|
||||
return "activate";
|
||||
}
|
||||
|
||||
static void
|
||||
atk_action_interface_init (AtkActionIface *iface)
|
||||
{
|
||||
iface->do_action = gtk_range_accessible_do_action;
|
||||
iface->get_n_actions = gtk_range_accessible_get_n_actions;
|
||||
iface->get_keybinding = gtk_range_accessible_get_keybinding;
|
||||
iface->get_name = gtk_range_accessible_action_get_name;
|
||||
}
|
54
gtk/a11y/gtkrangeaccessible.h
Normal file
54
gtk/a11y/gtkrangeaccessible.h
Normal file
@ -0,0 +1,54 @@
|
||||
/* GAIL - The GNOME Accessibility Implementation Library
|
||||
* Copyright 2001 Sun Microsystems Inc.
|
||||
*
|
||||
* 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 __GTK_RANGE_ACCESSIBLE_H__
|
||||
#define __GTK_RANGE_ACCESSIBLE_H__
|
||||
|
||||
#include "gailwidget.h"
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
#define GTK_TYPE_RANGE_ACCESSIBLE (gtk_range_accessible_get_type ())
|
||||
#define GTK_RANGE_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_RANGE_ACCESSIBLE, GtkRangeAccessible))
|
||||
#define GTK_RANGE_ACCESSIBLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_RANGE_ACCESSIBLE, GtkRangeAccessibleClass))
|
||||
#define GTK_IS_RANGE_ACCESSIBLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_RANGE_ACCESSIBLE))
|
||||
#define GTK_IS_RANGE_ACCESSIBLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_RANGE_ACCESSIBLE))
|
||||
#define GTK_RANGE_ACCESSIBLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_RANGE_ACCESSIBLE, GtkRangeAccessibleClass))
|
||||
|
||||
typedef struct _GtkRangeAccessible GtkRangeAccessible;
|
||||
typedef struct _GtkRangeAccessibleClass GtkRangeAccessibleClass;
|
||||
|
||||
struct _GtkRangeAccessible
|
||||
{
|
||||
GailWidget parent;
|
||||
|
||||
AtkObject *adjustment;
|
||||
guint action_idle_handler;
|
||||
};
|
||||
|
||||
struct _GtkRangeAccessibleClass
|
||||
{
|
||||
GailWidgetClass parent_class;
|
||||
};
|
||||
|
||||
GType gtk_range_accessible_get_type (void);
|
||||
|
||||
G_END_DECLS
|
||||
|
||||
#endif /* __GTK_RANGE_ACCESSIBLE_H__ */
|
@ -22,7 +22,7 @@
|
||||
#include <gtk/gtk.h>
|
||||
#include "gtkscaleaccessible.h"
|
||||
|
||||
G_DEFINE_TYPE (GtkScaleAccessible, gtk_scale_accessible, GAIL_TYPE_RANGE)
|
||||
G_DEFINE_TYPE (GtkScaleAccessible, gtk_scale_accessible, GTK_TYPE_RANGE_ACCESSIBLE)
|
||||
|
||||
static const gchar *
|
||||
gtk_scale_accessible_get_description (AtkObject *object)
|
||||
|
@ -20,8 +20,7 @@
|
||||
#ifndef __GTK_SCALE_ACCESSIBLE_H__
|
||||
#define __GTK_SCALE_ACCESSIBLE_H__
|
||||
|
||||
#include "gailrange.h"
|
||||
#include "gailtextutil.h"
|
||||
#include "gtkrangeaccessible.h"
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
@ -37,12 +36,12 @@ typedef struct _GtkScaleAccessibleClass GtkScaleAccessibleClass;
|
||||
|
||||
struct _GtkScaleAccessible
|
||||
{
|
||||
GailRange parent;
|
||||
GtkRangeAccessible parent;
|
||||
};
|
||||
|
||||
struct _GtkScaleAccessibleClass
|
||||
{
|
||||
GailRangeClass parent_class;
|
||||
GtkRangeAccessibleClass parent_class;
|
||||
};
|
||||
|
||||
GType gtk_scale_accessible_get_type (void);
|
||||
|
@ -23,7 +23,7 @@
|
||||
#include "gtkscrollbaraccessible.h"
|
||||
|
||||
|
||||
G_DEFINE_TYPE (GtkScrollbarAccessible, gtk_scrollbar_accessible, GAIL_TYPE_RANGE)
|
||||
G_DEFINE_TYPE (GtkScrollbarAccessible, gtk_scrollbar_accessible, GTK_TYPE_RANGE_ACCESSIBLE)
|
||||
|
||||
static void
|
||||
gtk_scrollbar_accessible_init (GtkScrollbarAccessible *accessible)
|
||||
|
@ -20,7 +20,7 @@
|
||||
#ifndef __GTK_SCROLLBAR_ACCESSIBLE_H__
|
||||
#define __GTK_SCROLLBAR_ACCESSIBLE_H__
|
||||
|
||||
#include "gailrange.h"
|
||||
#include "gtkrangeaccessible.h"
|
||||
|
||||
G_BEGIN_DECLS
|
||||
|
||||
@ -36,12 +36,12 @@ typedef struct _GtkScrollbarAccessibleClass GtkScrollbarAccessibleClass;
|
||||
|
||||
struct _GtkScrollbarAccessible
|
||||
{
|
||||
GailRange parent;
|
||||
GtkRangeAccessible parent;
|
||||
};
|
||||
|
||||
struct _GtkScrollbarAccessibleClass
|
||||
{
|
||||
GailRangeClass parent_class;
|
||||
GtkRangeAccessibleClass parent_class;
|
||||
};
|
||||
|
||||
GType gtk_scrollbar_accessible_get_type (void);
|
||||
|
@ -40,6 +40,7 @@
|
||||
#include "gtkprivate.h"
|
||||
#include "gtkintl.h"
|
||||
#include "gtktypebuiltins.h"
|
||||
#include "a11y/gtkrangeaccessible.h"
|
||||
|
||||
/**
|
||||
* SECTION:gtkrange
|
||||
@ -600,6 +601,8 @@ gtk_range_class_init (GtkRangeClass *class)
|
||||
GTK_PARAM_READABLE));
|
||||
|
||||
g_type_class_add_private (class, sizeof (GtkRangePrivate));
|
||||
|
||||
gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_RANGE_ACCESSIBLE);
|
||||
}
|
||||
|
||||
static void
|
||||
|
Loading…
Reference in New Issue
Block a user