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75 lines
1.9 KiB
75 lines
1.9 KiB
/***************************************************************** |
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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) 2007 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 "drunken.h" |
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#include <math.h> |
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namespace KWin |
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{ |
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KWIN_EFFECT(drunken, DrunkenEffect) |
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void DrunkenEffect::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 DrunkenEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time) |
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{ |
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if (windows.contains(w)) { |
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windows[ w ] += time / 1000.; |
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if (windows[ w ] < 1) |
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data.setTransformed(); |
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else |
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windows.remove(w); |
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} |
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effects->prePaintWindow(w, data, time); |
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} |
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void DrunkenEffect::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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effects->paintWindow(w, mask, region, data); |
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return; |
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} |
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WindowPaintData d1 = data; |
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// 4 cycles, decreasing amplitude |
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int diff = int(sin(windows[ w ] * 8 * M_PI) * (1 - windows[ w ]) * 10); |
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d1.xTranslate -= diff; |
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d1.opacity *= 0.5; |
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effects->paintWindow(w, mask, region, d1); |
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WindowPaintData d2 = data; |
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d2.xTranslate += diff; |
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d2.opacity *= 0.5; |
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effects->paintWindow(w, mask, region, d2); |
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} |
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void DrunkenEffect::postPaintWindow(EffectWindow* w) |
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{ |
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if (windows.contains(w)) |
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w->addRepaintFull(); |
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effects->postPaintWindow(w); |
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} |
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void DrunkenEffect::windowAdded(EffectWindow* w) |
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{ |
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windows[ w ] = 0; |
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w->addRepaintFull(); |
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} |
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void DrunkenEffect::windowClosed(EffectWindow* w) |
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{ |
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windows.remove(w); |
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} |
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} // namespace
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