/******************************************************************** KWin - the KDE window manager This file is part of the KDE project. Copyright (C) 2007 Lubos Lunak Copyright (C) 2008 Lucas Murray 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 . *********************************************************************/ #include "slide.h" #include namespace KWin { KWIN_EFFECT( slide, SlideEffect ) SlideEffect::SlideEffect() : slide( false ) { mTimeLine.setCurveShape(TimeLine::EaseInOutCurve); } void SlideEffect::prePaintScreen( ScreenPrePaintData& data, int time ) { if( slide ) { mTimeLine.addTime(time); // PAINT_SCREEN_BACKGROUND_FIRST is needed because screen will be actually painted more than once, // so with normal screen painting second screen paint would erase parts of the first paint if( mTimeLine.value() != 1 ) data.mask |= PAINT_SCREEN_TRANSFORMED | PAINT_SCREEN_BACKGROUND_FIRST; else { slide = false; mTimeLine.setProgress(0); } } effects->prePaintScreen( data, time ); } void SlideEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time ) { if( slide ) { if( w->isOnAllDesktops()) { if( slide_painting_sticky ) data.setTransformed(); else w->disablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP ); } else if( w->isOnDesktop( painting_desktop )) w->enablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP ); else w->disablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP ); } effects->prePaintWindow( w, data, time ); } void SlideEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data ) { if( mTimeLine.value() == 0 ) { effects->paintScreen( mask, region, data ); return; } /* Transformations are done by remembering starting position of the change and the progress of it, the destination is computed from the current desktop. Positions of desktops are done using their topleft corner. */ QPoint destPos = desktopRect( effects->currentDesktop(), false ).topLeft(); QPoint diffPos = destPos - slide_start_pos; int w = 0; int h = 0; if( effects->optionRollOverDesktops()) { int x, y; Qt::Orientation orientation; effects->calcDesktopLayout( &x, &y, &orientation ); w = x * displayWidth(); h = y * displayHeight(); // wrap around if shorter if( diffPos.x() > 0 && diffPos.x() > w / 2 ) diffPos.setX( diffPos.x() - w ); if( diffPos.x() < 0 && abs( diffPos.x()) > w / 2 ) diffPos.setX( diffPos.x() + w ); if( diffPos.y() > 0 && diffPos.y() > h / 2 ) diffPos.setY( diffPos.y() - h ); if( diffPos.y() < 0 && abs( diffPos.y()) > h / 2 ) diffPos.setY( diffPos.y() + h ); } QPoint currentPos = slide_start_pos + mTimeLine.value() * diffPos; QSize displaySize( displayWidth(), displayHeight()); QRegion currentRegion = QRect( currentPos, displaySize ); if( effects->optionRollOverDesktops()) { currentRegion |= ( currentRegion & QRect( -w, 0, w, h )).translated( w, 0 ); currentRegion |= ( currentRegion & QRect( 0, -h, w, h )).translated( 0, h ); currentRegion |= ( currentRegion & QRect( w, 0, w, h )).translated( -w, 0 ); currentRegion |= ( currentRegion & QRect( 0, h, w, h )).translated( 0, -h ); } bool do_sticky = true; for( int desktop = 1; desktop <= effects->numberOfDesktops(); ++desktop ) { QRect rect = desktopRect( desktop, false ); if( currentRegion.contains( rect )) // part of the desktop needs painting { painting_desktop = desktop; slide_painting_sticky = do_sticky; slide_painting_diff = rect.topLeft() - currentPos; if( effects->optionRollOverDesktops()) { if( slide_painting_diff.x() > displayWidth()) slide_painting_diff.setX( slide_painting_diff.x() - w ); if( slide_painting_diff.x() < -displayWidth()) slide_painting_diff.setX( slide_painting_diff.x() + w ); if( slide_painting_diff.y() > displayHeight()) slide_painting_diff.setY( slide_painting_diff.y() - h ); if( slide_painting_diff.y() < -displayHeight()) slide_painting_diff.setY( slide_painting_diff.y() + h ); } do_sticky = false; // paint on-all-desktop windows only once ScreenPaintData d = data; d.xTranslate += slide_painting_diff.x(); d.yTranslate += slide_painting_diff.y(); // TODO mask parts that are not visible? effects->paintScreen( mask, region, d ); } } } void SlideEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data ) { if( slide ) { // don't move windows on all desktops (compensate screen transformation) if( w->isOnAllDesktops()) // TODO also fix 'Workspace::movingClient' { data.xTranslate -= slide_painting_diff.x(); data.yTranslate -= slide_painting_diff.y(); } } effects->paintWindow( w, mask, region, data ); } void SlideEffect::postPaintScreen() { if( slide ) effects->addRepaintFull(); effects->postPaintScreen(); } // Gives a position of the given desktop when all desktops are arranged in a grid QRect SlideEffect::desktopRect( int desktop, bool scaled ) const { int x, y; Qt::Orientation orientation; effects->calcDesktopLayout( &x, &y, &orientation ); --desktop; // make it start with 0 QRect rect; if( orientation == Qt::Horizontal ) rect = QRect(( desktop % x ) * displayWidth(), ( desktop / x ) * displayHeight(), displayWidth(), displayHeight()); else rect = QRect(( desktop / y ) * displayWidth(), ( desktop % y ) * displayHeight(), displayWidth(), displayHeight()); if( !scaled ) return rect; QRect current = desktopRect( effects->currentDesktop(), false ); double progress = mTimeLine.value(); rect = QRect( qRound( interpolate( rect.x() - current.x(), rect.x() / double( x ), progress )), qRound( interpolate( rect.y() - current.y(), rect.y() / double( y ), progress )), qRound( interpolate( rect.width(), displayWidth() / double( x ), progress )), qRound( interpolate( rect.height(), displayHeight() / double( y ), progress ))); return rect; } void SlideEffect::desktopChanged( int old ) { if( effects->activeFullScreenEffect() && effects->activeFullScreenEffect() != this ) return; if( slide ) // old slide still in progress { QPoint diffPos = desktopRect( old, false ).topLeft() - slide_start_pos; int w = 0; int h = 0; if( effects->optionRollOverDesktops()) { int x, y; Qt::Orientation orientation; effects->calcDesktopLayout( &x, &y, &orientation ); w = x * displayWidth(); h = y * displayHeight(); // wrap around if shorter if( diffPos.x() > 0 && diffPos.x() > w / 2 ) diffPos.setX( diffPos.x() - w ); if( diffPos.x() < 0 && abs( diffPos.x()) > w / 2 ) diffPos.setX( diffPos.x() + w ); if( diffPos.y() > 0 && diffPos.y() > h / 2 ) diffPos.setY( diffPos.y() - h ); if( diffPos.y() < 0 && abs( diffPos.y()) > h / 2 ) diffPos.setY( diffPos.y() + h ); } QPoint currentPos = slide_start_pos + mTimeLine.value() * diffPos; QRegion currentRegion = QRect( currentPos, QSize( displayWidth(), displayHeight())); if( effects->optionRollOverDesktops()) { currentRegion |= ( currentRegion & QRect( -w, 0, w, h )).translated( w, 0 ); currentRegion |= ( currentRegion & QRect( 0, -h, w, h )).translated( 0, h ); currentRegion |= ( currentRegion & QRect( w, 0, w, h )).translated( -w, 0 ); currentRegion |= ( currentRegion & QRect( 0, h, w, h )).translated( 0, -h ); } QRect rect = desktopRect( effects->currentDesktop(), false ); if( currentRegion.contains( rect )) { // current position is in new current desktop (e.g. quickly changing back), // don't do full progress if( abs( currentPos.x() - rect.x()) > abs( currentPos.y() - rect.y())) mTimeLine.setProgress(1 - abs( currentPos.x() - rect.x()) / double( displayWidth())); else mTimeLine.setProgress(1 - abs( currentPos.y() - rect.y()) / double( displayHeight())); } else // current position is not on current desktop, do full progress mTimeLine.setProgress(0); diffPos = rect.topLeft() - currentPos; if( mTimeLine.value() <= 0 ) { // Compute starting point for this new move (given current and end positions) slide_start_pos = rect.topLeft() - diffPos * 1 / ( 1 - mTimeLine.value() ); } else { // at the end, stop slide = false; mTimeLine.setProgress(0); } } else { mTimeLine.setProgress(0); slide_start_pos = desktopRect( old, false ).topLeft(); slide = true; } effects->addRepaintFull(); } } // namespace #include "slide.moc"