static GtkWidget*
get_label_from_notebook_page (GailNotebookPage *page)
{
GtkWidget *child;
GtkNotebook *notebook;
notebook = page->notebook;
if (!notebook)
return NULL;
if (!gtk_notebook_get_show_tabs (notebook))
return NULL;
child = gtk_notebook_get_nth_page (notebook, page->index);
if (child == NULL) return NULL;
g_return_val_if_fail (GTK_IS_WIDGET (child), NULL);
child = gtk_notebook_get_tab_label (notebook, child);
if (GTK_IS_LABEL (child))
return child;
if (GTK_IS_CONTAINER (child))
child = find_label_child (GTK_CONTAINER (child));
return child;
}
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_CONTAINER (child))
child = find_label_child (GTK_CONTAINER (child));
else if (!GTK_IS_LABEL (child))
child = NULL;
return child;
}
static GtkWidget *
get_label_from_button (GtkWidget *button)
{
GtkWidget *child;
child = gtk_bin_get_child (GTK_BIN (button));
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
if (GTK_IS_ALIGNMENT (child))
child = gtk_bin_get_child (GTK_BIN (child));
G_GNUC_END_IGNORE_DEPRECATIONS
if (GTK_IS_CONTAINER (child))
child = find_label_child (GTK_CONTAINER (child));
else if (!GTK_IS_LABEL (child))
child = NULL;
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 GtkWidget *
get_label_from_notebook_page (GtkNotebookPageAccessible *page)
{
GtkWidget *child;
GtkNotebook *notebook;
notebook = GTK_NOTEBOOK (gtk_accessible_get_widget (page->notebook));
if (!notebook)
return NULL;
if (!gtk_notebook_get_show_tabs (notebook))
return NULL;
child = gtk_notebook_get_tab_label (notebook, page->child);
if (GTK_IS_LABEL (child))
return child;
if (GTK_IS_CONTAINER (child))
child = find_label_child (GTK_CONTAINER (child));
return child;
}
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;
}
