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70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
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* Copyright © 2020 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Authors: Matthias Clasen <mclasen@redhat.com>
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*/
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#include "config.h"
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#include "gdk-private.h"
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#include "gdkdragsurfaceprivate.h"
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#include "gdkintl.h"
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/**
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* GdkDragSurface:
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*
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* A #GdkDragSurface is an interface implemented by #GdkSurfaces used
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* during a DND operation.
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*/
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G_DEFINE_INTERFACE (GdkDragSurface, gdk_drag_surface, GDK_TYPE_SURFACE)
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static gboolean
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gdk_drag_surface_default_present (GdkDragSurface *drag_surface,
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int width,
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int height)
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{
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return FALSE;
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}
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static void
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gdk_drag_surface_default_init (GdkDragSurfaceInterface *iface)
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{
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iface->present = gdk_drag_surface_default_present;
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}
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/**
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* gdk_drag_surface_present:
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* @drag_surface: the #GdkDragSurface to show
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* @width: the unconstrained drag_surface width to layout
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* @height: the unconstrained drag_surface height to layout
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*
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* Present @drag_surface.
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*
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* Returns: %FALSE if it failed to be presented, otherwise %TRUE.
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*/
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gboolean
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gdk_drag_surface_present (GdkDragSurface *drag_surface,
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int width,
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int height)
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{
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g_return_val_if_fail (GDK_IS_DRAG_SURFACE (drag_surface), FALSE);
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g_return_val_if_fail (width > 0, FALSE);
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g_return_val_if_fail (height > 0, FALSE);
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return GDK_DRAG_SURFACE_GET_IFACE (drag_surface)->present (drag_surface, width, height);
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}
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