* 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.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
*/
+#include "config.h"
#include <gdk/gdk.h>
#include "gtkinvisible.h"
+#include "gtkwidgetprivate.h"
+#include "gtkprivate.h"
#include "gtkintl.h"
+
+/**
+ * SECTION:gtkinvisible
+ * @Short_description: A widget which is not displayed
+ * @Title: GtkInvisible
+ *
+ * The #GtkInvisible widget is used internally in GTK+, and is probably not
+ * very useful for application developers.
+ *
+ * It is used for reliable pointer grabs and selection handling in the code
+ * for drag-and-drop.
+ */
+
+
+struct _GtkInvisiblePrivate
+{
+ GdkScreen *screen;
+ gboolean has_user_ref_count;
+};
+
enum {
PROP_0,
PROP_SCREEN,
LAST_ARG
};
-static void gtk_invisible_class_init (GtkInvisibleClass *klass);
-static void gtk_invisible_init (GtkInvisible *invisible);
-static void gtk_invisible_destroy (GtkObject *object);
+static void gtk_invisible_destroy (GtkWidget *widget);
static void gtk_invisible_realize (GtkWidget *widget);
-static void gtk_invisible_style_set (GtkWidget *widget,
- GtkStyle *previous_style);
+static void gtk_invisible_style_updated (GtkWidget *widget);
static void gtk_invisible_show (GtkWidget *widget);
static void gtk_invisible_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
guint n_construct_properties,
GObjectConstructParam *construct_params);
-static GObjectClass *parent_class;
-
-GType
-gtk_invisible_get_type (void)
-{
- static GType invisible_type = 0;
-
- if (!invisible_type)
- {
- static const GTypeInfo invisible_info =
- {
- sizeof (GtkInvisibleClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) gtk_invisible_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (GtkInvisible),
- 0, /* n_preallocs */
- (GInstanceInitFunc) gtk_invisible_init,
- };
-
- invisible_type = g_type_register_static (GTK_TYPE_WIDGET, "GtkInvisible",
- &invisible_info, 0);
- }
-
- return invisible_type;
-}
+G_DEFINE_TYPE (GtkInvisible, gtk_invisible, GTK_TYPE_WIDGET)
static void
gtk_invisible_class_init (GtkInvisibleClass *class)
{
GObjectClass *gobject_class;
- GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
widget_class = (GtkWidgetClass*) class;
- object_class = (GtkObjectClass*) class;
gobject_class = (GObjectClass*) class;
- parent_class = g_type_class_peek_parent (class);
-
widget_class->realize = gtk_invisible_realize;
- widget_class->style_set = gtk_invisible_style_set;
+ widget_class->style_updated = gtk_invisible_style_updated;
widget_class->show = gtk_invisible_show;
widget_class->size_allocate = gtk_invisible_size_allocate;
+ widget_class->destroy = gtk_invisible_destroy;
- object_class->destroy = gtk_invisible_destroy;
gobject_class->set_property = gtk_invisible_set_property;
gobject_class->get_property = gtk_invisible_get_property;
gobject_class->constructor = gtk_invisible_constructor;
g_object_class_install_property (gobject_class,
PROP_SCREEN,
g_param_spec_object ("screen",
- _("Screen"),
- _("The screen where this window will be displayed"),
+ P_("Screen"),
+ P_("The screen where this window will be displayed"),
GDK_TYPE_SCREEN,
- G_PARAM_READWRITE));
+ GTK_PARAM_READWRITE));
+
+ g_type_class_add_private (class, sizeof (GtkInvisiblePrivate));
}
static void
gtk_invisible_init (GtkInvisible *invisible)
{
- GdkColormap *colormap;
-
- GTK_WIDGET_UNSET_FLAGS (invisible, GTK_NO_WINDOW);
- GTK_WIDGET_SET_FLAGS (invisible, GTK_TOPLEVEL);
+ GtkInvisiblePrivate *priv;
- g_object_ref (invisible);
- gtk_object_sink (GTK_OBJECT (invisible));
+ invisible->priv = G_TYPE_INSTANCE_GET_PRIVATE (invisible,
+ GTK_TYPE_INVISIBLE,
+ GtkInvisiblePrivate);
+ priv = invisible->priv;
- invisible->has_user_ref_count = TRUE;
- invisible->screen = gdk_screen_get_default ();
-
- colormap = _gtk_widget_peek_colormap ();
- if (colormap)
- gtk_widget_set_colormap (GTK_WIDGET (invisible), colormap);
+ gtk_widget_set_has_window (GTK_WIDGET (invisible), TRUE);
+ _gtk_widget_set_is_toplevel (GTK_WIDGET (invisible), TRUE);
+
+ g_object_ref_sink (invisible);
+
+ priv->has_user_ref_count = TRUE;
+ priv->screen = gdk_screen_get_default ();
}
static void
-gtk_invisible_destroy (GtkObject *object)
+gtk_invisible_destroy (GtkWidget *widget)
{
- GtkInvisible *invisible = GTK_INVISIBLE (object);
-
- if (invisible->has_user_ref_count)
+ GtkInvisible *invisible = GTK_INVISIBLE (widget);
+ GtkInvisiblePrivate *priv = invisible->priv;
+
+ if (priv->has_user_ref_count)
{
- invisible->has_user_ref_count = FALSE;
+ priv->has_user_ref_count = FALSE;
g_object_unref (invisible);
}
+
+ GTK_WIDGET_CLASS (gtk_invisible_parent_class)->destroy (widget);
}
/**
* Creates a new #GtkInvisible object for a specified screen
*
* Return value: a newly created #GtkInvisible object
+ *
+ * Since: 2.2
**/
GtkWidget*
gtk_invisible_new_for_screen (GdkScreen *screen)
* @screen: a #GdkScreen.
*
* Sets the #GdkScreen where the #GtkInvisible object will be displayed.
+ *
+ * Since: 2.2
**/
void
gtk_invisible_set_screen (GtkInvisible *invisible,
GdkScreen *screen)
{
+ GtkInvisiblePrivate *priv;
+ GtkWidget *widget;
+ GdkScreen *previous_screen;
gboolean was_realized;
-
+
g_return_if_fail (GTK_IS_INVISIBLE (invisible));
g_return_if_fail (GDK_IS_SCREEN (screen));
- if (screen == invisible->screen)
+ priv = invisible->priv;
+
+ if (screen == priv->screen)
return;
- was_realized = GTK_WIDGET_REALIZED (invisible);
+ widget = GTK_WIDGET (invisible);
+
+ previous_screen = priv->screen;
+ was_realized = gtk_widget_get_realized (widget);
if (was_realized)
- gtk_widget_unrealize (GTK_WIDGET (invisible));
-
- invisible->screen = screen;
+ gtk_widget_unrealize (widget);
+
+ priv->screen = screen;
+ if (screen != previous_screen)
+ _gtk_widget_propagate_screen_changed (widget, previous_screen);
g_object_notify (G_OBJECT (invisible), "screen");
if (was_realized)
- gtk_widget_realize (GTK_WIDGET (invisible));
+ gtk_widget_realize (widget);
}
/**
*
* Returns the #GdkScreen object associated with @invisible
*
- * Return value : the associated #GdkScreen.
+ * Return value: (transfer none): the associated #GdkScreen.
+ *
+ * Since: 2.2
**/
GdkScreen *
gtk_invisible_get_screen (GtkInvisible *invisible)
{
g_return_val_if_fail (GTK_IS_INVISIBLE (invisible), NULL);
-
- return invisible->screen;
+
+ return invisible->priv->screen;
}
static void
gtk_invisible_realize (GtkWidget *widget)
{
+ GdkWindow *parent;
+ GdkWindow *window;
GdkWindowAttr attributes;
gint attributes_mask;
- GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
+ gtk_widget_set_realized (widget, TRUE);
+
+ parent = gtk_widget_get_parent_window (widget);
+ if (parent == NULL)
+ parent = gtk_widget_get_root_window (widget);
attributes.x = -100;
attributes.y = -100;
attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR;
- widget->window = gdk_window_new (gtk_widget_get_root_window (widget),
- &attributes, attributes_mask);
-
- gdk_window_set_user_data (widget->window, widget);
-
- widget->style = gtk_style_attach (widget->style, widget->window);
+ window = gdk_window_new (parent, &attributes, attributes_mask);
+ gtk_widget_set_window (widget, window);
+ gtk_widget_register_window (widget, window);
}
static void
-gtk_invisible_style_set (GtkWidget *widget,
- GtkStyle *previous_style)
+gtk_invisible_style_updated (GtkWidget *widget)
{
/* Don't chain up to parent implementation */
}
static void
gtk_invisible_show (GtkWidget *widget)
{
- GTK_WIDGET_SET_FLAGS (widget, GTK_VISIBLE);
+ _gtk_widget_set_visible_flag (widget, TRUE);
gtk_widget_map (widget);
}
static void
gtk_invisible_size_allocate (GtkWidget *widget,
- GtkAllocation *allocation)
+ GtkAllocation *allocation)
{
- widget->allocation = *allocation;
-}
+ gtk_widget_set_allocation (widget, allocation);
+}
static void
GParamSpec *pspec)
{
GtkInvisible *invisible = GTK_INVISIBLE (object);
+ GtkInvisiblePrivate *priv = invisible->priv;
switch (prop_id)
{
case PROP_SCREEN:
- g_value_set_object (value, invisible->screen);
+ g_value_set_object (value, priv->screen);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
{
GObject *object;
- object = (* G_OBJECT_CLASS (parent_class)->constructor) (type,
- n_construct_properties,
- construct_params);
+ object = G_OBJECT_CLASS (gtk_invisible_parent_class)->constructor (type,
+ n_construct_properties,
+ construct_params);
gtk_widget_realize (GTK_WIDGET (object));
return object;
}
-
projects / ~andy / gtk / blobdiff