+++ /dev/null
-/* GTK - The GIMP Toolkit
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
- * file for a list of people on the GTK+ Team. See the ChangeLog
- * files for a list of changes. These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
- */
-
-#include "config.h"
-
-#include "gtkinvisibleprivate.h"
-
-#include "gtkintl.h"
-#include "gtkprivate.h"
-#include "gtkroot.h"
-#include "gtkwidgetprivate.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
-{
- GdkDisplay *display;
- gboolean has_user_ref_count;
-};
-
-enum {
- PROP_0,
- PROP_DISPLAY,
- LAST_ARG
-};
-
-static void gtk_invisible_destroy (GtkWidget *widget);
-static void gtk_invisible_realize (GtkWidget *widget);
-static void gtk_invisible_style_updated (GtkWidget *widget);
-static void gtk_invisible_show (GtkWidget *widget);
-static void gtk_invisible_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec);
-static void gtk_invisible_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec);
-static void gtk_invisible_constructed (GObject *object);
-
-static GdkDisplay *
-gtk_invisible_root_get_display (GtkRoot *root)
-{
- GtkInvisible *invisible = GTK_INVISIBLE (root);
-
- return invisible->priv->display;
-}
-
-static void
-gtk_invisible_root_interface_init (GtkRootInterface *iface)
-{
- iface->get_display = gtk_invisible_root_get_display;
-}
-
-G_DEFINE_TYPE_WITH_CODE (GtkInvisible, gtk_invisible, GTK_TYPE_WIDGET,
- G_ADD_PRIVATE (GtkInvisible)
- G_IMPLEMENT_INTERFACE (GTK_TYPE_ROOT,
- gtk_invisible_root_interface_init))
-
-static void
-gtk_invisible_class_init (GtkInvisibleClass *class)
-{
- GObjectClass *gobject_class;
- GtkWidgetClass *widget_class;
-
- widget_class = (GtkWidgetClass*) class;
- gobject_class = (GObjectClass*) class;
-
- widget_class->realize = gtk_invisible_realize;
- widget_class->style_updated = gtk_invisible_style_updated;
- widget_class->show = gtk_invisible_show;
- widget_class->destroy = gtk_invisible_destroy;
-
- gobject_class->set_property = gtk_invisible_set_property;
- gobject_class->get_property = gtk_invisible_get_property;
- gobject_class->constructed = gtk_invisible_constructed;
-
- g_object_class_install_property (gobject_class,
- PROP_DISPLAY,
- g_param_spec_object ("display",
- P_("Display"),
- P_("The display where this window will be displayed"),
- GDK_TYPE_DISPLAY,
- GTK_PARAM_READWRITE));
-}
-
-static void
-gtk_invisible_init (GtkInvisible *invisible)
-{
- GtkInvisiblePrivate *priv;
-
- invisible->priv = gtk_invisible_get_instance_private (invisible);
- priv = invisible->priv;
-
- gtk_widget_set_has_surface (GTK_WIDGET (invisible), TRUE);
-
- g_object_ref_sink (invisible);
-
- priv->has_user_ref_count = TRUE;
- priv->display = gdk_display_get_default ();
-}
-
-static void
-gtk_invisible_destroy (GtkWidget *widget)
-{
- GtkInvisible *invisible = GTK_INVISIBLE (widget);
- GtkInvisiblePrivate *priv = invisible->priv;
-
- if (priv->has_user_ref_count)
- {
- priv->has_user_ref_count = FALSE;
- g_object_unref (invisible);
- }
-
- GTK_WIDGET_CLASS (gtk_invisible_parent_class)->destroy (widget);
-}
-
-/**
- * gtk_invisible_new_for_display:
- * @display: a #GdkDisplay which identifies on which
- * the new #GtkInvisible will be created.
- *
- * Creates a new #GtkInvisible object for a specified display.
- *
- * Returns: a newly created #GtkInvisible object
- **/
-GtkWidget*
-gtk_invisible_new_for_display (GdkDisplay *display)
-{
- g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
-
- return g_object_new (GTK_TYPE_INVISIBLE, "display", display, NULL);
-}
-
-/**
- * gtk_invisible_new:
- *
- * Creates a new #GtkInvisible.
- *
- * Returns: a new #GtkInvisible.
- **/
-GtkWidget*
-gtk_invisible_new (void)
-{
- return g_object_new (GTK_TYPE_INVISIBLE, NULL);
-}
-
-/**
- * gtk_invisible_set_display:
- * @invisible: a #GtkInvisible.
- * @display: a #GdkDisplay.
- *
- * Sets the #GdkDisplay where the #GtkInvisible object will be displayed.
- **/
-void
-gtk_invisible_set_display (GtkInvisible *invisible,
- GdkDisplay *display)
-{
- GtkInvisiblePrivate *priv;
- GtkWidget *widget;
- GdkDisplay *previous_display;
- gboolean was_realized;
-
- g_return_if_fail (GTK_IS_INVISIBLE (invisible));
- g_return_if_fail (GDK_IS_DISPLAY (display));
-
- priv = invisible->priv;
-
- if (display == priv->display)
- return;
-
- widget = GTK_WIDGET (invisible);
-
- previous_display = priv->display;
- was_realized = gtk_widget_get_realized (widget);
-
- if (was_realized)
- gtk_widget_unrealize (widget);
-
- priv->display = display;
- if (display != previous_display)
- _gtk_widget_propagate_display_changed (widget, previous_display);
- g_object_notify (G_OBJECT (invisible), "display");
-
- if (was_realized)
- gtk_widget_realize (widget);
-}
-
-static void
-gtk_invisible_realize (GtkWidget *widget)
-{
- GdkSurface *surface;
-
- surface = gdk_surface_new_temp (gtk_widget_get_display (widget));
- gtk_widget_set_surface (widget, surface);
- gtk_widget_register_surface (widget, surface);
-
- GTK_WIDGET_CLASS (gtk_invisible_parent_class)->realize (widget);
-}
-
-static void
-gtk_invisible_style_updated (GtkWidget *widget)
-{
- /* Don't chain up to parent implementation */
-}
-
-static void
-gtk_invisible_show (GtkWidget *widget)
-{
- _gtk_widget_set_visible_flag (widget, TRUE);
- gtk_widget_map (widget);
-}
-
-static void
-gtk_invisible_set_property (GObject *object,
- guint prop_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GtkInvisible *invisible = GTK_INVISIBLE (object);
-
- switch (prop_id)
- {
- case PROP_DISPLAY:
- gtk_invisible_set_display (invisible, g_value_get_object (value));
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-gtk_invisible_get_property (GObject *object,
- guint prop_id,
- GValue *value,
- GParamSpec *pspec)
-{
- GtkInvisible *invisible = GTK_INVISIBLE (object);
- GtkInvisiblePrivate *priv = invisible->priv;
-
- switch (prop_id)
- {
- case PROP_DISPLAY:
- g_value_set_object (value, priv->display);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-/* We use a constructor here so that we can realize the invisible on
- * the correct display after the “display” property has been set
- */
-static void
-gtk_invisible_constructed (GObject *object)
-{
- G_OBJECT_CLASS (gtk_invisible_parent_class)->constructed (object);
-
- gtk_widget_realize (GTK_WIDGET (object));
-}
+++ /dev/null
-/* GTK - The GIMP Toolkit
- * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
- *
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
- * file for a list of people on the GTK+ Team. See the ChangeLog
- * files for a list of changes. These files are distributed with
- * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
- */
-
-#ifndef __GTK_INVISIBLE_H__
-#define __GTK_INVISIBLE_H__
-
-#if !defined (__GTK_H_INSIDE__) && !defined (GTK_COMPILATION)
-#error "Only <gtk/gtk.h> can be included directly."
-#endif
-
-#include <gtk/gtkwidget.h>
-
-G_BEGIN_DECLS
-
-#define GTK_TYPE_INVISIBLE (gtk_invisible_get_type ())
-#define GTK_INVISIBLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_INVISIBLE, GtkInvisible))
-#define GTK_INVISIBLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_INVISIBLE, GtkInvisibleClass))
-#define GTK_IS_INVISIBLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_INVISIBLE))
-#define GTK_IS_INVISIBLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_INVISIBLE))
-#define GTK_INVISIBLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_INVISIBLE, GtkInvisibleClass))
-
-
-typedef struct _GtkInvisible GtkInvisible;
-typedef struct _GtkInvisiblePrivate GtkInvisiblePrivate;
-typedef struct _GtkInvisibleClass GtkInvisibleClass;
-
-struct _GtkInvisible
-{
- GtkWidget widget;
-
- /*< private >*/
- GtkInvisiblePrivate *priv;
-};
-
-struct _GtkInvisibleClass
-{
- GtkWidgetClass parent_class;
-
- /* Padding for future expansion */
- void (*_gtk_reserved1) (void);
- void (*_gtk_reserved2) (void);
- void (*_gtk_reserved3) (void);
- void (*_gtk_reserved4) (void);
-};
-
-GDK_AVAILABLE_IN_ALL
-GType gtk_invisible_get_type (void) G_GNUC_CONST;
-
-GDK_AVAILABLE_IN_ALL
-GtkWidget* gtk_invisible_new (void);
-GDK_AVAILABLE_IN_ALL
-GtkWidget* gtk_invisible_new_for_display(GdkDisplay *display);
-GDK_AVAILABLE_IN_ALL
-void gtk_invisible_set_display (GtkInvisible *invisible,
- GdkDisplay *display);
-
-G_END_DECLS
-
-#endif /* __GTK_INVISIBLE_H__ */
projects / gtk4.git / commitdiff