Index: workspace/kwin/effects/magiclamp.cpp
===================================================================
--- workspace/kwin/effects/magiclamp.cpp (revision 0)
+++ workspace/kwin/effects/magiclamp.cpp (revision 841030)
@@ -0,0 +1,154 @@
+/********************************************************************
+ KWin - the KDE window manager
+ This file is part of the KDE project.
+
+ Copyright (C) 2008 Martin Gräßlin <ubuntu@martin-graesslin.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*********************************************************************/
+
+// based on minimize animation by Rivo Laks <rivolaks@hot.ee>
+
+#include "magiclamp.h"
+
+namespace KWin
+{
+
+KWIN_EFFECT( magiclamp, MagicLampEffect )
+
+MagicLampEffect::MagicLampEffect()
+ {
+ mActiveAnimations = 0;
+ }
+
+
+void MagicLampEffect::prePaintScreen( ScreenPrePaintData& data, int time )
+ {
+ mActiveAnimations = mTimeLineWindows.count();
+ if( mActiveAnimations > 0 )
+ // We need to mark the screen windows as transformed. Otherwise the
+ // whole screen won't be repainted, resulting in artefacts
+ data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
+
+ effects->prePaintScreen(data, time);
+ }
+
+void MagicLampEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
+ {
+ if( mTimeLineWindows.contains( w ))
+ {
+ if( w->isMinimized() )
+ {
+ mTimeLineWindows[w].addTime(time);
+ if( mTimeLineWindows[w].progress() >= 1.0f )
+ mTimeLineWindows.remove( w );
+ }
+ else
+ {
+ mTimeLineWindows[w].removeTime(time);
+ if( mTimeLineWindows[w].progress() <= 0.0f )
+ mTimeLineWindows.remove( w );
+ }
+
+ // Schedule window for transformation if the animation is still in
+ // progress
+ if( mTimeLineWindows.contains( w ))
+ {
+ // We'll transform this window
+ data.setTransformed();
+ data.quads = data.quads.makeGrid( 40 );
+ w->enablePainting( EffectWindow::PAINT_DISABLED_BY_MINIMIZE );
+ }
+ }
+
+ effects->prePaintWindow( w, data, time );
+ }
+
+void MagicLampEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
+ {
+ if( mTimeLineWindows.contains( w ))
+ {
+ // 0 = not minimized, 1 = fully minimized
+ float progress = mTimeLineWindows[w].value();
+
+ QRect geo = w->geometry();
+ QRect icon = w->iconGeometry();
+ // If there's no icon geometry, minimize to the center of the screen
+ if( !icon.isValid() )
+ icon = QRect( displayWidth() / 2, displayHeight() / 2, 0, 0 );
+
+ WindowQuadList newQuads;
+ foreach( WindowQuad quad, data.quads )
+ {
+ // quadFactor defines how fast a quad is vertically moved: y coordinates near to window top are slowed down
+ // it is used as quadFactor^3/windowHeight^3
+ // quadFactor is the y position of the quad but is changed towards becomming the window height
+ // by that the factor becomes 1 and has no influence any more
+ float quadFactor = quad[0].y() + (geo.height() - quad[0].y())*progress;
+ // how far has a quad to be moved? Distance between icon and window multiplied by the progress and by the quadFactor
+ float yOffsetTop = (icon.y() + quad[0].y() - geo.y())*progress*
+ ((quadFactor*quadFactor*quadFactor)/(geo.height()*geo.height()*geo.height()));
+ quadFactor = quad[2].y() + (geo.height() - quad[2].y())*progress;
+ float yOffsetBottom = (icon.y() + quad[2].y() - geo.y())*progress*
+ ((quadFactor*quadFactor*quadFactor)/(geo.height()*geo.height()*geo.height()));
+ // top and bottom progress is the factor which defines how far the x values have to be changed
+ // factor is the current moved y value diveded by the distance between icon and window
+ float topProgress = qMin( yOffsetTop/(icon.y() - geo.y()-(float)(quad[0].y()/geo.height()*geo.height())), 1.0f );
+ float bottomProgress = qMin( yOffsetBottom/(icon.y() - geo.y()-(float)(quad[2].y()/geo.height()*geo.height())), 1.0f );
+
+ // x values are moved towards the center of the icon
+ quad[0].setX( (icon.x() + icon.width()*0.5 - (quad[0].x() + geo.x()))*topProgress + quad[0].x() );
+ quad[1].setX( (icon.x() + icon.width()*0.5 - (quad[1].x() + geo.x()))*topProgress + quad[1].x() );
+ quad[2].setX( (icon.x() + icon.width()*0.5 - (quad[2].x() + geo.x()))*bottomProgress + quad[2].x() );
+ quad[3].setX( (icon.x() + icon.width()*0.5 - (quad[3].x() + geo.x()))*bottomProgress + quad[3].x() );
+
+ quad[0].setY( quad[0].y() + yOffsetTop );
+ quad[1].setY( quad[1].y() + yOffsetTop );
+ quad[2].setY( quad[2].y() + yOffsetBottom );
+ quad[3].setY( quad[3].y() + yOffsetBottom );
+ newQuads.append( quad );
+ }
+ data.quads = newQuads;
+ }
+
+ // Call the next effect.
+ effects->paintWindow( w, mask, region, data );
+ }
+
+void MagicLampEffect::postPaintScreen()
+ {
+ if( mActiveAnimations > 0 )
+ // Repaint the workspace so that everything would be repainted next time
+ effects->addRepaintFull();
+ mActiveAnimations = mTimeLineWindows.count();
+
+ // Call the next effect.
+ effects->postPaintScreen();
+ }
+
+void MagicLampEffect::windowMinimized( EffectWindow* w )
+ {
+ mTimeLineWindows[w].setCurveShape(TimeLine::LinearCurve);
+ mTimeLineWindows[w].setDuration( 250 );
+ mTimeLineWindows[w].setProgress(0.0f);
+ }
+
+void MagicLampEffect::windowUnminimized( EffectWindow* w )
+ {
+ mTimeLineWindows[w].setCurveShape(TimeLine::LinearCurve);
+ mTimeLineWindows[w].setDuration( 250 );
+ mTimeLineWindows[w].setProgress(1.0f);
+ }
+
+} // namespace
Index: workspace/kwin/effects/magiclamp.desktop
===================================================================
--- workspace/kwin/effects/magiclamp.desktop (revision 0)
+++ workspace/kwin/effects/magiclamp.desktop (revision 841030)
@@ -0,0 +1,17 @@
+[Desktop Entry]
+Name=Magic Lamp
+Icon=preferences-system-windows-effect-magic-lamp
+Comment=Animates minimizing of windows with a magic lamp
+
+Type=Service
+X-KDE-ServiceTypes=KWin/Effect
+X-KDE-PluginInfo-Author=Martin Gräßlin
+X-KDE-PluginInfo-Email=ubuntu@martin-graesslin.com
+X-KDE-PluginInfo-Name=kwin4_effect_magiclamp
+X-KDE-PluginInfo-Version=0.1.0
+X-KDE-PluginInfo-Category=Appearance
+X-KDE-PluginInfo-Depends=
+X-KDE-PluginInfo-License=GPL
+X-KDE-PluginInfo-EnabledByDefault=false
+X-KDE-Library=kwin4_effect_builtins
+X-KDE-Ordering=50
Index: workspace/kwin/effects/magiclamp.h
===================================================================
--- workspace/kwin/effects/magiclamp.h (revision 0)
+++ workspace/kwin/effects/magiclamp.h (revision 841030)
@@ -0,0 +1,50 @@
+/********************************************************************
+ KWin - the KDE window manager
+ This file is part of the KDE project.
+
+ Copyright (C) 2008 Martin Gräßlin <ubuntu@martin-graesslin.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+*********************************************************************/
+
+#ifndef KWIN_MAGICLAMP_H
+#define KWIN_MAGICLAMP_H
+
+#include <kwineffects.h>
+
+namespace KWin
+{
+
+class MagicLampEffect
+ : public Effect
+ {
+ public:
+ MagicLampEffect();
+
+ virtual void prePaintScreen( ScreenPrePaintData& data, int time );
+ virtual void prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time );
+ virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
+ virtual void postPaintScreen();
+
+ virtual void windowMinimized( EffectWindow* c );
+ virtual void windowUnminimized( EffectWindow* c );
+
+ private:
+ QHash< EffectWindow*, TimeLine > mTimeLineWindows;
+ int mActiveAnimations;
+ };
+
+} // namespace
+
+#endif
Index: workspace/kwin/effects/CMakeLists.txt
===================================================================
--- workspace/kwin/effects/CMakeLists.txt (revision 841029)
+++ workspace/kwin/effects/CMakeLists.txt (revision 841030)
@@ -43,6 +43,7 @@
fallapart.cpp
login.cpp
logout.cpp
+ magiclamp.cpp
maketransparent.cpp
minimizeanimation.cpp
presentwindows.cpp
@@ -65,6 +66,7 @@
fallapart.desktop
login.desktop
logout.desktop
+ magiclamp.desktop
maketransparent.desktop
minimizeanimation.desktop
presentwindows.desktop
