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/*
* Copyright © 2019 Red Hat, Inc.
*
* 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 2.1 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/>.
*
* Authors: Matthias Clasen <mclasen@redhat.com>
*/
#include "config.h"
#include "gtknativeprivate.h"
#include "gtkcssnodeprivate.h"
#include "gtkwidgetprivate.h"
#include "gdk/gdk-private.h"
#include "gtkprivate.h"
#include "gtkintl.h"
/**
* SECTION:gtknative
* @Title: GtkNative
* @Short_description: Interface for widgets having surfaces
* @See_also: #GtkRoot
*
* #GtkNative is the interface implemented by all widgets that can provide
* a GdkSurface for widgets to render on.
*
* The obvious example of a #GtkNative is #GtkWindow.
*/
G_DEFINE_INTERFACE (GtkNative, gtk_native, GTK_TYPE_WIDGET)
static GskRenderer *
gtk_native_default_get_renderer (GtkNative *self)
{
return NULL;
}
static void
gtk_native_default_get_surface_transform (GtkNative *self,
int *x,
int *y)
{
*x = 0;
*y = 0;
}
static void
gtk_native_default_check_resize (GtkNative *self)
{
}
static void
gtk_native_default_init (GtkNativeInterface *iface)
{
iface->get_renderer = gtk_native_default_get_renderer;
iface->get_surface_transform = gtk_native_default_get_surface_transform;
iface->check_resize = gtk_native_default_check_resize;
}
/**
* gtk_native_get_surface:
* @self: a #GtkNative
*
* Returns the surface of this #GtkNative.
*
* Returns: (transfer none): the surface of @self
*/
GdkSurface *
gtk_native_get_surface (GtkNative *self)
{
g_return_val_if_fail (GTK_IS_NATIVE (self), NULL);
return GTK_NATIVE_GET_IFACE (self)->get_surface (self);
}
/**
* gtk_native_get_renderer:
* @self: a #GtkNative
*
* Returns the renderer that is used for this #GtkNative.
*
* Returns: (transfer none): the renderer for @self
*/
GskRenderer *
gtk_native_get_renderer (GtkNative *self)
{
g_return_val_if_fail (GTK_IS_NATIVE (self), NULL);
return GTK_NATIVE_GET_IFACE (self)->get_renderer (self);
}
void
gtk_native_get_surface_transform (GtkNative *self,
int *x,
int *y)
{
g_return_if_fail (GTK_IS_NATIVE (self));
g_return_if_fail (x != 0);
g_return_if_fail (y != 0);
return GTK_NATIVE_GET_IFACE (self)->get_surface_transform (self, x, y);
}
/**
* gtk_native_check_resize:
* @self: a #GtkNative
*
* Reposition and resize a #GtkNative.
*
* Widgets need to call this function on their attached
* native widgets when they receive a new size allocation.
*/
void
gtk_native_check_resize (GtkNative *self)
{
g_return_if_fail (GTK_IS_NATIVE (self));
GTK_NATIVE_GET_IFACE (self)->check_resize (self);
}
/**
* gtk_native_get_for_surface:
* @surface: a #GdkSurface
*
* Finds the GtkNative associated with the surface.
*
* Returns: (transfer none): the #GtkNative that is associated with @surface
*/
GtkWidget *
gtk_native_get_for_surface (GdkSurface *surface)
{
GtkWidget *widget;
widget = (GtkWidget *)gdk_surface_get_widget (surface);
if (widget && GTK_IS_NATIVE (widget))
return widget;
return NULL;
}
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