86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/*****************************************************************
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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"
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