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96 lines
3.0 KiB
96 lines
3.0 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) 2006 Rivo Laks <rivolaks@hot.ee> |
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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 "dialogparent.h" |
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namespace KWin |
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{ |
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KWIN_EFFECT( dialogparent, DialogParentEffect ) |
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void DialogParentEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time ) |
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{ |
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// How long does it take for the effect to get it's full strength (in ms) |
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const float changeTime = 200; |
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// Check if this window has a modal dialog and change the window's |
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// effect's strength accordingly |
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bool hasDialog = w->findModal() != NULL; |
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if( hasDialog ) |
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{ |
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// Increase effect strength of this window |
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effectStrength[w] = qMin(1.0f, effectStrength[w] + time/changeTime); |
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} |
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else |
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{ |
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effectStrength[w] = qMax(0.0f, effectStrength[w] - time/changeTime); |
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} |
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// Call the next effect |
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effects->prePaintWindow( w, data, time ); |
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} |
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void DialogParentEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data ) |
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{ |
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float s = effectStrength[w]; |
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if(s > 0.0f) |
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{ |
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// Brightness will be within [1.0; 0.6] |
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data.brightness *= (1.0 - s * 0.4); |
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// Saturation within [1.0; 0.4] |
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data.saturation *= (1.0 - s * 0.6); |
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} |
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// Call the next effect. |
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effects->paintWindow( w, mask, region, data ); |
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} |
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void DialogParentEffect::postPaintWindow( EffectWindow* w ) |
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{ |
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float s = effectStrength[w]; |
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// If strength is between 0 and 1, the effect is still in progress and the |
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// window has to be repainted during the next pass |
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if( s > 0.0 && s < 1.0 ) |
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w->addRepaintFull(); // trigger next animation repaint |
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// Call the next effect. |
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effects->postPaintWindow( w ); |
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} |
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void DialogParentEffect::windowActivated( EffectWindow* w ) |
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{ |
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// If this window is a dialog, we need to repaint it's parent window, so |
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// that the effect could be run for it |
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// Set the window to be faded (or NULL if no window is active). |
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if( w && w->isModal() ) |
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{ |
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// w is a modal dialog |
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EffectWindowList mainwindows = w->mainWindows(); |
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foreach( EffectWindow* parent, mainwindows ) |
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parent->addRepaintFull(); |
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} |
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} |
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void DialogParentEffect::windowClosed( EffectWindow* w ) |
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{ |
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// If this window is a dialog, we need to repaint it's parent window, so |
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// that the effect could be run for it |
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// Set the window to be faded (or NULL if no window is active). |
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if ( w && w->isModal() ) |
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{ |
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// w is a modal dialog |
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EffectWindowList mainwindows = w->mainWindows(); |
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foreach( EffectWindow* parent, mainwindows ) |
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parent->addRepaintFull(); |
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} |
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} |
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} // namespace
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