79 lines
2.2 KiB
C++
79 lines
2.2 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) 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 "flame.h"
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#include <assert.h>
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#include <kdebug.h>
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namespace KWin
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{
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KWIN_EFFECT(flame, FlameEffect)
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void FlameEffect::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 FlameEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int time)
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{
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if (windows.contains(w)) {
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if (windows[ w ] < 1) {
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windows[ w ] += time / 500.;
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data.setTransformed();
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w->enablePainting(EffectWindow::PAINT_DISABLED_BY_DELETE);
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data.quads = data.quads.splitAtY(windows[ w ] * w->height());
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} else {
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windows.remove(w);
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w->unrefWindow();
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}
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}
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effects->prePaintWindow(w, data, time);
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}
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void FlameEffect::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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WindowQuadList new_quads;
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double ylimit = windows[ w ] * w->height(); // parts above this are already away
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foreach (const WindowQuad & quad, data.quads) {
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if (quad.bottom() <= ylimit)
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continue;
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new_quads.append(quad);
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}
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if (new_quads.isEmpty())
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return; // nothing to paint
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data.quads = new_quads;
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}
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effects->paintWindow(w, mask, region, data);
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}
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void FlameEffect::postPaintWindow(EffectWindow* w)
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{
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if (windows.contains(w))
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effects->addRepaint(w->geometry()); // workspace, since the window under it will need painting too
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effects->postPaintScreen();
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}
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void FlameEffect::windowClosed(EffectWindow* c)
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{
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windows[ c ] = 0;
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c->refWindow();
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}
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void FlameEffect::windowDeleted(EffectWindow* c)
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{
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windows.remove(c);
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}
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} // namespace
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