103 lines
3.2 KiB
C++
103 lines
3.2 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) 2006 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 "desktopchangeslide.h"
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#include <workspace.h>
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namespace KWinInternal
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{
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const int MAX_PROGRESS = 1000;
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DesktopChangeSlideEffect::DesktopChangeSlideEffect()
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: progress( MAX_PROGRESS )
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, painting_old_desktop( false )
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{
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}
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void DesktopChangeSlideEffect::prePaintScreen( int* mask, QRegion* region, int time )
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{
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progress = qBound( 0, progress + time, MAX_PROGRESS );
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// PAINT_SCREEN_BACKGROUND_FIRST is needed because screen will be actually painted twice,
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// so with normal screen painting second screen paint would erase parts of the first paint
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if( progress != MAX_PROGRESS )
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*mask |= Scene::PAINT_SCREEN_TRANSFORMED | Scene::PAINT_SCREEN_BACKGROUND_FIRST;
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effects->prePaintScreen( mask, region, time );
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}
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void DesktopChangeSlideEffect::prePaintWindow( EffectWindow* w, int* mask, QRegion* region, int time )
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{
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if( progress != MAX_PROGRESS )
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{
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if( painting_old_desktop )
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{
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if( w->isOnDesktop( old_desktop ) && !w->isOnCurrentDesktop())
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w->enablePainting( Scene::Window::PAINT_DISABLED_BY_DESKTOP );
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else
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w->disablePainting( Scene::Window::PAINT_DISABLED_BY_DESKTOP );
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}
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else
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{
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if( w->isOnAllDesktops())
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*mask |= Scene::PAINT_WINDOW_TRANSFORMED;
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}
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}
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effects->prePaintWindow( w, mask, region, time );
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}
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void DesktopChangeSlideEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
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{
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if( progress == MAX_PROGRESS )
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{
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effects->paintScreen( mask, region, data );
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return;
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}
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// old desktop
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painting_old_desktop = true;
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ScreenPaintData d1 = data;
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d1.yTranslate += displayHeight() * progress / 1000;
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effects->paintScreen( mask, region, d1 );
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painting_old_desktop = false;
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// new (current) desktop
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ScreenPaintData d2 = data;
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d2.yTranslate -= displayHeight() * ( MAX_PROGRESS - progress ) / 1000;
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effects->paintScreen( mask, region, d2 );
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}
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void DesktopChangeSlideEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
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{
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if( progress != MAX_PROGRESS )
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{ // don't move windows on all desktops (compensate screen transformation)
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if( w->isOnAllDesktops())
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data.yTranslate += displayHeight() * ( MAX_PROGRESS - progress ) / 1000;
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}
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effects->paintWindow( w, mask, region, data );
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}
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void DesktopChangeSlideEffect::postPaintScreen()
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{
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if( progress != MAX_PROGRESS )
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Workspace::self()->addRepaintFull(); // trigger next animation repaint
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effects->postPaintScreen();
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}
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void DesktopChangeSlideEffect::desktopChanged( int old )
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{
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if( old != old_desktop )
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{
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old_desktop = old;
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progress = 0;
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Workspace::self()->addRepaintFull();
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}
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}
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} // namespace
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