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a11y: Make submenu code handle non-existing submenus

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As we're going to merge the two accessibles for submenus, we need to
make sure the code that insisted on submenus can handle the case where
no submenu exists.
This commit is contained in:
Benjamin Otte
2011-07-06 20:55:11 +02:00
parent d5dad3422b
commit 15ab20fdfb
1 changed files with 24 additions and 13 deletions
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37
gtk/a11y/gtksubmenuitemaccessible.c
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@ -41,10 +41,11 @@ gtk_submenu_item_accessible_initialize (AtkObject *obj,
ATK_OBJECT_CLASS (gtk_submenu_item_accessible_parent_class)->initialize (obj, data);
submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (data));
g_return_if_fail (submenu);
g_signal_connect (submenu, "add", G_CALLBACK (menu_item_add_gtk), NULL);
g_signal_connect (submenu, "remove", G_CALLBACK (menu_item_remove_gtk), NULL);
if (submenu)
{
g_signal_connect (submenu, "add", G_CALLBACK (menu_item_add_gtk), NULL);
g_signal_connect (submenu, "remove", G_CALLBACK (menu_item_remove_gtk), NULL);
}
obj->role = ATK_ROLE_MENU;
}
@ -78,7 +79,9 @@ gtk_submenu_item_accessible_add_selection (AtkSelection *selection,
return FALSE;
submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (widget));
g_return_val_if_fail (GTK_IS_MENU_SHELL (submenu), FALSE);
if (submenu == NULL)
return FALSE;
shell = GTK_MENU_SHELL (submenu);
kids = gtk_container_get_children (GTK_CONTAINER (shell));
length = g_list_length (kids);
@ -98,7 +101,6 @@ gtk_submenu_item_accessible_add_selection (AtkSelection *selection,
static gboolean
gtk_submenu_item_accessible_clear_selection (AtkSelection *selection)
{
GtkMenuShell *shell;
GtkWidget *widget;
GtkWidget *submenu;
@ -107,10 +109,11 @@ gtk_submenu_item_accessible_clear_selection (AtkSelection *selection)
return FALSE;
submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (widget));
g_return_val_if_fail (GTK_IS_MENU_SHELL (submenu), FALSE);
shell = GTK_MENU_SHELL (submenu);
if (submenu == NULL)
return FALSE;
gtk_menu_shell_deselect (GTK_MENU_SHELL (submenu));
gtk_menu_shell_deselect (shell);
return TRUE;
}
@ -132,7 +135,9 @@ gtk_submenu_item_accessible_ref_selection (AtkSelection *selection,
return NULL;
submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (widget));
g_return_val_if_fail (GTK_IS_MENU_SHELL (submenu), NULL);
if (submenu == NULL)
return NULL;
shell = GTK_MENU_SHELL (submenu);
item = gtk_menu_shell_get_selected_item (shell);
@ -158,7 +163,9 @@ gtk_submenu_item_accessible_get_selection_count (AtkSelection *selection)
return 0;
submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (widget));
g_return_val_if_fail (GTK_IS_MENU_SHELL (submenu), 0);
if (submenu == NULL)
return 0;
shell = GTK_MENU_SHELL (submenu);
if (gtk_menu_shell_get_selected_item (shell) != NULL)
@ -183,7 +190,9 @@ gtk_submenu_item_accessible_is_child_selected (AtkSelection *selection,
return FALSE;
submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (widget));
g_return_val_if_fail (GTK_IS_MENU_SHELL (submenu), FALSE);
if (submenu == NULL)
return FALSE;
shell = GTK_MENU_SHELL (submenu);
item = gtk_menu_shell_get_selected_item (shell);
@ -214,7 +223,9 @@ gtk_submenu_item_accessible_remove_selection (AtkSelection *selection,
return FALSE;
submenu = gtk_menu_item_get_submenu (GTK_MENU_ITEM (widget));
g_return_val_if_fail (GTK_IS_MENU_SHELL (submenu), FALSE);
if (submenu == NULL)
return FALSE;
shell = GTK_MENU_SHELL (submenu);
item = gtk_menu_shell_get_selected_item (shell);