~ci-train-bot/compiz/compiz-ubuntu-xenial-2841

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/*
 * Compiz Core: OutputDevices class
 *
 * Copyright (c) 2012 Canonical Ltd.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#include <core/output.h>
#include <core/rect.h>
#include <core/region.h>

/* XXX: Including screen.h includes window.h and other unnecessary
 * headers which cause cascading header dependencies. We should seek to
 * eliminate this dependency
 */
#include <core/screen.h>

namespace compiz
{
namespace core
{

class OutputDevices
{
public:

    OutputDevices ();

    void setCurrentOutput (unsigned int outputNum);

    CompOutput& getCurrentOutputDev ()
    {
	return outputDevs[currentOutputDev];
    }

    bool hasOverlappingOutputs () const
    {
	return overlappingOutputs;
    }

    void computeWorkAreas (CompRect             &workArea,
			   bool                 &workAreaChanged,
			   CompRegion           &allWorkArea,
			   const CompWindowList &windows);

    const CompOutput &getOutputDev (unsigned int outputNum) const
    {
	return outputDevs[outputNum];
    }

    // TODO breaks encapsulation horribly ought to be const at least
    // Even better, use begin() and end() return const_iterators
    // BUT this is exported directly through API - which makes changing
    // it a PITA.
    CompOutput::vector &getOutputDevs ()
    {
	return outputDevs;
    }

    int outputDeviceForGeometry (const CompWindow::Geometry &gm,
				 int                        strategy,
				 CompSize                   *screen) const;

    void updateOutputDevices (CoreOptions &coreOptions,
			      CompSize    *screen);

    void setGeometryOnDevice (unsigned int nOutput,
			      int          x,
			      int          y,
			      const int    width,
			      const int    height);

    void adoptDevices (unsigned int nOutput,
		       CompSize     *screen);

private:

    static CompRect computeWorkareaForBox (const CompRect       &box,
					   const CompWindowList &windows);

    CompOutput::vector outputDevs;
    bool               overlappingOutputs;
    int                currentOutputDev;
};

} // namespace core
} // namespace compiz