4a681e3d47
The surface-to-buffer matrix provides a generic mechanism for mapping things from the surface-local coordinate space to the buffer coordinate space. If it changes, we know for sure that the texture coordinates have to be re-computed.
99 lines
3.9 KiB
C++
99 lines
3.9 KiB
C++
/********************************************************************
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
Copyright (C) 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*********************************************************************/
|
|
|
|
#include "subsurfacemonitor.h"
|
|
|
|
#include <KWaylandServer/subcompositor_interface.h>
|
|
#include <KWaylandServer/surface_interface.h>
|
|
|
|
using namespace KWaylandServer;
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
SubSurfaceMonitor::SubSurfaceMonitor(SurfaceInterface *surface, QObject *parent)
|
|
: QObject(parent)
|
|
{
|
|
registerSurface(surface);
|
|
}
|
|
|
|
void SubSurfaceMonitor::registerSubSurface(SubSurfaceInterface *subSurface)
|
|
{
|
|
SurfaceInterface *surface = subSurface->surface();
|
|
|
|
connect(subSurface, &SubSurfaceInterface::positionChanged,
|
|
this, &SubSurfaceMonitor::subSurfaceMoved);
|
|
connect(surface, &SurfaceInterface::sizeChanged,
|
|
this, &SubSurfaceMonitor::subSurfaceResized);
|
|
connect(surface, &SurfaceInterface::mapped,
|
|
this, &SubSurfaceMonitor::subSurfaceMapped);
|
|
connect(surface, &SurfaceInterface::unmapped,
|
|
this, &SubSurfaceMonitor::subSurfaceUnmapped);
|
|
connect(surface, &SurfaceInterface::surfaceToBufferMatrixChanged,
|
|
this, &SubSurfaceMonitor::subSurfaceSurfaceToBufferMatrixChanged);
|
|
|
|
registerSurface(surface);
|
|
}
|
|
|
|
void SubSurfaceMonitor::unregisterSubSurface(SubSurfaceInterface *subSurface)
|
|
{
|
|
SurfaceInterface *surface = subSurface->surface();
|
|
if (!surface)
|
|
return;
|
|
|
|
disconnect(subSurface, &SubSurfaceInterface::positionChanged,
|
|
this, &SubSurfaceMonitor::subSurfaceMoved);
|
|
disconnect(surface, &SurfaceInterface::sizeChanged,
|
|
this, &SubSurfaceMonitor::subSurfaceResized);
|
|
disconnect(surface, &SurfaceInterface::mapped,
|
|
this, &SubSurfaceMonitor::subSurfaceMapped);
|
|
disconnect(surface, &SurfaceInterface::unmapped,
|
|
this, &SubSurfaceMonitor::subSurfaceUnmapped);
|
|
disconnect(surface, &SurfaceInterface::surfaceToBufferMatrixChanged,
|
|
this, &SubSurfaceMonitor::subSurfaceSurfaceToBufferMatrixChanged);
|
|
|
|
unregisterSurface(surface);
|
|
}
|
|
|
|
void SubSurfaceMonitor::registerSurface(SurfaceInterface *surface)
|
|
{
|
|
connect(surface, &SurfaceInterface::childSubSurfaceAdded,
|
|
this, &SubSurfaceMonitor::subSurfaceAdded);
|
|
connect(surface, &SurfaceInterface::childSubSurfaceRemoved,
|
|
this, &SubSurfaceMonitor::subSurfaceRemoved);
|
|
connect(surface, &SurfaceInterface::childSubSurfaceAdded,
|
|
this, &SubSurfaceMonitor::registerSubSurface);
|
|
connect(surface, &SurfaceInterface::childSubSurfaceRemoved,
|
|
this, &SubSurfaceMonitor::unregisterSubSurface);
|
|
}
|
|
|
|
void SubSurfaceMonitor::unregisterSurface(SurfaceInterface *surface)
|
|
{
|
|
disconnect(surface, &SurfaceInterface::childSubSurfaceAdded,
|
|
this, &SubSurfaceMonitor::subSurfaceAdded);
|
|
disconnect(surface, &SurfaceInterface::childSubSurfaceRemoved,
|
|
this, &SubSurfaceMonitor::subSurfaceRemoved);
|
|
disconnect(surface, &SurfaceInterface::childSubSurfaceAdded,
|
|
this, &SubSurfaceMonitor::registerSubSurface);
|
|
disconnect(surface, &SurfaceInterface::childSubSurfaceRemoved,
|
|
this, &SubSurfaceMonitor::unregisterSubSurface);
|
|
}
|
|
|
|
} // namespace KWin
|