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GtkNotebookAccessible: add a private struct

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Move instance fields to a private struct, in preparation
for installing a11y headers.
This commit is contained in:
Matthias Clasen 2012-10-14 20:09:58 -04:00
parent f44c9dff3d
commit c86628b41e
2 changed files with 53 additions and 44 deletions
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81
gtk/a11y/gtknotebookaccessible.c
View File

@ -22,6 +22,19 @@
#include "gtknotebookaccessible.h"
#include "gtknotebookpageaccessible.h"
struct _GtkNotebookAccessiblePrivate
{
/*
* page_cache maintains a list of pre-ref'd Notebook Pages.
* This cache is queried by gtk_notebook_accessible_ref_child().
* If the page is found in the list then a new page does not
* need to be created
*/
GHashTable * pages;
gint selected_page;
gint focus_tab_page;
guint idle_focus_id;
};
static void atk_selection_interface_init (AtkSelectionIface *iface);
@ -44,14 +57,14 @@ check_focus_tab (gpointer data)
return FALSE;
notebook = GTK_NOTEBOOK (widget);
accessible->idle_focus_id = 0;
accessible->priv->idle_focus_id = 0;
focus_page_num = gtk_notebook_get_current_page (notebook);
if (focus_page_num == -1)
return FALSE;
old_focus_page_num = accessible->focus_tab_page;
accessible->focus_tab_page = focus_page_num;
old_focus_page_num = accessible->priv->focus_tab_page;
accessible->priv->focus_tab_page = focus_page_num;
if (old_focus_page_num != focus_page_num)
{
AtkObject *obj;
@ -75,8 +88,8 @@ focus_cb (GtkWidget *widget,
{
case GTK_DIR_LEFT:
case GTK_DIR_RIGHT:
if (accessible->idle_focus_id == 0)
accessible->idle_focus_id = gdk_threads_add_idle (check_focus_tab, atk_obj);
if (accessible->priv->idle_focus_id == 0)
accessible->priv->idle_focus_id = gdk_threads_add_idle (check_focus_tab, atk_obj);
break;
default:
break;
@ -93,7 +106,7 @@ create_notebook_page_accessible (GtkNotebookAccessible *accessible,
AtkObject *obj;
obj = _gtk_notebook_page_accessible_new (accessible, child);
g_hash_table_insert (accessible->pages, child, obj);
g_hash_table_insert (accessible->priv->pages, child, obj);
atk_object_set_parent (obj, ATK_OBJECT (accessible));
g_signal_emit_by_name (accessible, "children-changed::add", page_num, obj, NULL);
}
@ -123,12 +136,12 @@ page_removed_cb (GtkNotebook *notebook,
accessible = GTK_NOTEBOOK_ACCESSIBLE (gtk_widget_get_accessible (GTK_WIDGET (notebook)));
obj = g_hash_table_lookup (accessible->pages, widget);
obj = g_hash_table_lookup (accessible->priv->pages, widget);
g_return_if_fail (obj);
g_signal_emit_by_name (accessible, "children-changed::remove",
page_num, obj, NULL);
_gtk_notebook_page_accessible_invalidate (GTK_NOTEBOOK_PAGE_ACCESSIBLE (obj));
g_hash_table_remove (accessible->pages, widget);
g_hash_table_remove (accessible->priv->pages, widget);
}
@ -151,7 +164,7 @@ gtk_notebook_accessible_initialize (AtkObject *obj,
gtk_notebook_get_nth_page (notebook, i),
i);
}
accessible->selected_page = gtk_notebook_get_current_page (notebook);
accessible->priv->selected_page = gtk_notebook_get_current_page (notebook);
g_signal_connect (notebook, "focus",
G_CALLBACK (focus_cb), NULL);
@ -168,10 +181,10 @@ gtk_notebook_accessible_finalize (GObject *object)
{
GtkNotebookAccessible *accessible = GTK_NOTEBOOK_ACCESSIBLE (object);
g_hash_table_destroy (accessible->pages);
g_hash_table_destroy (accessible->priv->pages);
if (accessible->idle_focus_id)
g_source_remove (accessible->idle_focus_id);
if (accessible->priv->idle_focus_id)
g_source_remove (accessible->priv->idle_focus_id);
G_OBJECT_CLASS (_gtk_notebook_accessible_parent_class)->finalize (object);
}
@ -192,7 +205,7 @@ gtk_notebook_accessible_ref_child (AtkObject *obj,
accessible = GTK_NOTEBOOK_ACCESSIBLE (obj);
notebook = GTK_NOTEBOOK (widget);
child = g_hash_table_lookup (accessible->pages,
child = g_hash_table_lookup (accessible->priv->pages,
gtk_notebook_get_nth_page (notebook, i));
/* can return NULL when i >= n_children */
@ -224,11 +237,11 @@ gtk_notebook_accessible_notify_gtk (GObject *obj,
notebook = GTK_NOTEBOOK (widget);
/* Notify SELECTED state change for old and new page */
old_page_num = accessible->selected_page;
old_page_num = accessible->priv->selected_page;
page_num = gtk_notebook_get_current_page (notebook);
accessible->selected_page = page_num;
accessible->focus_tab_page = page_num;
old_focus_page_num = accessible->focus_tab_page;
accessible->priv->selected_page = page_num;
accessible->priv->focus_tab_page = page_num;
old_focus_page_num = accessible->priv->focus_tab_page;
if (page_num != old_page_num)
{
@ -249,10 +262,10 @@ gtk_notebook_accessible_notify_gtk (GObject *obj,
atk_object_notify_state_change (child, ATK_STATE_SELECTED, TRUE);
g_object_unref (child);
/*
* The page which is being displayed has changed but there is
* no need to tell the focus tracker as the focus page will also
* change or a widget in the page will receive focus if the
* Notebook does not have tabs.
* The page which is being displayed has changed but there
* is no need to tell the focus tracker as the focus page
* will also change or a widget in the page will receive
* focus if the notebook does not have tabs.
*/
}
g_signal_emit_by_name (atk_obj, "selection-changed");
@ -261,9 +274,9 @@ gtk_notebook_accessible_notify_gtk (GObject *obj,
if (gtk_notebook_get_show_tabs (notebook) &&
(focus_page_num != old_focus_page_num))
{
if (accessible->idle_focus_id)
g_source_remove (accessible->idle_focus_id);
accessible->idle_focus_id = gdk_threads_add_idle (check_focus_tab, atk_obj);
if (accessible->priv->idle_focus_id)
g_source_remove (accessible->priv->idle_focus_id);
accessible->priv->idle_focus_id = gdk_threads_add_idle (check_focus_tab, atk_obj);
}
}
else
@ -299,7 +312,6 @@ _gtk_notebook_accessible_class_init (GtkNotebookAccessibleClass *klass)
GtkWidgetAccessibleClass *widget_class = (GtkWidgetAccessibleClass*)klass;
GtkContainerAccessibleClass *container_class = (GtkContainerAccessibleClass*)klass;
gobject_class->finalize = gtk_notebook_accessible_finalize;
class->ref_child = gtk_notebook_accessible_ref_child;
@ -310,18 +322,23 @@ _gtk_notebook_accessible_class_init (GtkNotebookAccessibleClass *klass)
/* we listen to page-added/-removed, so we don't care about these */
container_class->add_gtk = NULL;
container_class->remove_gtk = NULL;
g_type_class_add_private (klass, sizeof (GtkNotebookAccessiblePrivate));
}
static void
_gtk_notebook_accessible_init (GtkNotebookAccessible *notebook)
{
notebook->pages = g_hash_table_new_full (g_direct_hash,
g_direct_equal,
NULL,
g_object_unref);
notebook->selected_page = -1;
notebook->focus_tab_page = -1;
notebook->idle_focus_id = 0;
notebook->priv = G_TYPE_INSTANCE_GET_PRIVATE (notebook,
GTK_TYPE_NOTEBOOK_ACCESSIBLE,
GtkNotebookAccessiblePrivate);
notebook->priv->pages = g_hash_table_new_full (g_direct_hash,
g_direct_equal,
NULL,
g_object_unref);
notebook->priv->selected_page = -1;
notebook->priv->focus_tab_page = -1;
notebook->priv->idle_focus_id = 0;
}
static AtkObject *

16
gtk/a11y/gtknotebookaccessible.h
View File

@ -29,23 +29,15 @@ G_BEGIN_DECLS
#define GTK_IS_NOTEBOOK_ACCESSIBLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_NOTEBOOK_ACCESSIBLE))
#define GTK_NOTEBOOK_ACCESSIBLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_NOTEBOOK_ACCESSIBLE, GtkNotebookAccessibleClass))
typedef struct _GtkNotebookAccessible GtkNotebookAccessible;
typedef struct _GtkNotebookAccessibleClass GtkNotebookAccessibleClass;
typedef struct _GtkNotebookAccessible GtkNotebookAccessible;
typedef struct _GtkNotebookAccessibleClass GtkNotebookAccessibleClass;
typedef struct _GtkNotebookAccessiblePrivate GtkNotebookAccessiblePrivate;
struct _GtkNotebookAccessible
{
GtkContainerAccessible parent;
/*
* page_cache maintains a list of pre-ref'd Notebook Pages.
* This cache is queried by gtk_notebook_accessible_ref_child().
* If the page is found in the list then a new page does not
* need to be created
*/
GHashTable * pages;
gint selected_page;
gint focus_tab_page;
guint idle_focus_id;
GtkNotebookAccessiblePrivate *priv;
};
struct _GtkNotebookAccessibleClass