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GTK will not up front know how to correctly calculate a size, since it will not be able to reliably predict the constraints that may exist where it will be mapped. Thus, to handle this, calculate the size of the toplevel by having GDK emitting a signal called 'compute-size' that will contain information needed for computing a toplevel window size. This signal may be emitted at any time, e.g. during gdk_toplevel_present(), or spontaneously if constraints change. This also drops the max size from the toplevel layout, while moving the min size from the toplevel layout struct to the struct passed via the signal, This needs changes to a test case where we make sure we process GDK_CONFIGURE etc, which means we also needs to show the window and process all pending events in the test-focus-chain test case.
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2020 Red Hat
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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 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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*/
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#ifndef __GDK_TOPLEVEL_SIZE_PRIVATE_H__
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#define __GDK_TOPLEVEL_SIZE_PRIVATE_H__
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#include "gdktoplevelsize.h"
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struct _GdkToplevelSize
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{
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int bounds_width;
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int bounds_height;
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int width;
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int height;
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int min_width;
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int min_height;
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};
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void gdk_toplevel_size_init (GdkToplevelSize *size,
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int bounds_width,
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int bounds_height);
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#endif /* __GDK_TOPLEVEL_SIZE_PRIVATE_H__ */
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