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Viewing changes to kwin/effects/_test/demo_shakymove.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Michał Zając
  • Date: 2011-07-09 08:31:15 UTC
  • Revision ID: james.westby@ubuntu.com-20110709083115-ohyxn6z93mily9fc
Tags: upstream-4.6.90
Import upstream version 4.6.90

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kwin/effects/_test/demo_shakymove.cpp
 
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/*****************************************************************
 
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 KWin - the KDE window manager
 
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 This file is part of the KDE project.
 
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Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
 
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You can Freely distribute this program under the GNU General Public
 
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License. See the file "COPYING" for the exact licensing terms.
 
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******************************************************************/
 
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#include "demo_shakymove.h"
 
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namespace KWin
 
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{
 
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KWIN_EFFECT(demo_shakymove, ShakyMoveEffect)
 
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ShakyMoveEffect::ShakyMoveEffect()
 
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{
 
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    connect(&timer, SIGNAL(timeout()), SLOT(tick()));
 
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}
 
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static const int shaky_diff[] = { 0, 1, 2, 3, 2, 1, 0, -1, -2, -3, -2, -1 };
 
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static const int SHAKY_MAX = sizeof(shaky_diff) / sizeof(shaky_diff[ 0 ]);
 
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void ShakyMoveEffect::prePaintScreen(ScreenPrePaintData& data, int time)
 
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{
 
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    if (!windows.isEmpty())
 
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        data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
 
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    effects->prePaintScreen(data, time);
 
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}
 
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void ShakyMoveEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time)
 
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{
 
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    if (windows.contains(w))
 
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        data.setTransformed();
 
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    effects->prePaintWindow(w, data, time);
 
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}
 
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void ShakyMoveEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
 
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{
 
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    if (windows.contains(w))
 
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        data.xTranslate += shaky_diff[ windows[ w ]];
 
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    effects->paintWindow(w, mask, region, data);
 
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}
 
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void ShakyMoveEffect::windowUserMovedResized(EffectWindow* c, bool first, bool last)
 
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{
 
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    if (first) {
 
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        if (windows.isEmpty())
 
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            timer.start(50);
 
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        windows[ c ] = 0;
 
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    } else if (last) {
 
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        windows.remove(c);
 
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        // just repaint whole screen, transformation is involved
 
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        effects->addRepaintFull();
 
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        if (windows.isEmpty())
 
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            timer.stop();
 
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    }
 
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}
 
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void ShakyMoveEffect::windowClosed(EffectWindow* c)
 
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{
 
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    windows.remove(c);
 
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    if (windows.isEmpty())
 
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        timer.stop();
 
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}
 
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// TODO use time provided with prePaintWindow() instead
 
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void ShakyMoveEffect::tick()
 
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{
 
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    for (QHash< const EffectWindow*, int >::Iterator it = windows.begin();
 
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            it != windows.end();
 
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            ++it) {
 
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        if (*it == SHAKY_MAX - 1)
 
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            *it = 0;
 
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        else
 
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            ++(*it);
 
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        // just repaint whole screen, transformation is involved
 
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        effects->addRepaintFull();
 
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    }
 
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}
 
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} // namespace
 
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#include "demo_shakymove.moc"