323 lines
11 KiB
C++
323 lines
11 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) 2009 Martin Gräßlin <kde@martin-graesslin.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "cubeslide.h"
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#include <kwinconfig.h>
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#include <kconfiggroup.h>
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#include <math.h>
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#include <GL/gl.h>
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namespace KWin
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{
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KWIN_EFFECT( cubeslide, CubeSlideEffect )
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KWIN_EFFECT_SUPPORTED( cubeslide, CubeSlideEffect::supported() )
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CubeSlideEffect::CubeSlideEffect()
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{
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reconfigure( ReconfigureAll );
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}
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CubeSlideEffect::~CubeSlideEffect()
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{
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}
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bool CubeSlideEffect::supported()
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{
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return effects->compositingType() == OpenGLCompositing;
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}
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void CubeSlideEffect::reconfigure( ReconfigureFlags )
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{
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KConfigGroup conf = effects->effectConfig( "CubeSlide" );
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int rotationDuration = animationTime( conf, "RotationDuration", 500 );
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timeLine.setCurveShape( TimeLine::EaseInOutCurve );
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timeLine.setDuration( rotationDuration );
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dontSlidePanels = conf.readEntry( "DontSlidePanels", true );
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dontSlideStickyWindows = conf.readEntry( "DontSlideStickyWindows", true );
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}
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void CubeSlideEffect::prePaintScreen( ScreenPrePaintData& data, int time)
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{
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if( !slideRotations.empty() )
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{
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data.mask |= PAINT_SCREEN_TRANSFORMED | Effect::PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS | PAINT_SCREEN_BACKGROUND_FIRST;
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timeLine.addTime( time );
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if( dontSlidePanels )
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panels.clear();
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if( dontSlideStickyWindows )
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stickyWindows.clear();
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}
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effects->prePaintScreen( data, time );
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}
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void CubeSlideEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data)
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{
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if( !slideRotations.empty() )
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{
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glPushMatrix();
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glNewList( glList, GL_COMPILE );
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paintSlideCube( mask, region, data );
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glEndList();
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glPopMatrix();
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glPushAttrib( GL_CURRENT_BIT | GL_ENABLE_BIT );
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glEnable( GL_CULL_FACE );
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glCullFace( GL_BACK );
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glPushMatrix();
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glCallList( glList );
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glPopMatrix();
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glCullFace( GL_FRONT );
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glPushMatrix();
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glCallList( glList );
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glPopMatrix();
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glDisable( GL_CULL_FACE );
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glPopAttrib();
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if( dontSlidePanels )
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{
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foreach( EffectWindow* w, panels )
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{
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WindowPaintData wData( w );
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effects->paintWindow( w, 0, QRegion( w->x(), w->y(), w->width(), w->height() ), wData );
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}
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}
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if( dontSlideStickyWindows )
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{
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foreach( EffectWindow* w, stickyWindows )
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{
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WindowPaintData wData( w );
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effects->paintWindow( w, 0, QRegion( w->x(), w->y(), w->width(), w->height() ), wData );
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}
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}
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}
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else
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effects->paintScreen( mask, region, data );
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}
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void CubeSlideEffect::paintSlideCube(int mask, QRegion region, ScreenPaintData& data)
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{
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// slide cube only paints to desktops at a time
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// first the horizontal rotations followed by vertical rotations
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QRect rect = effects->clientArea( FullArea, effects->activeScreen(), effects->currentDesktop() );
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float point = rect.width()/2*tan(45.0f*M_PI/180.0f);
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cube_painting = true;
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painting_desktop = front_desktop;
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ScreenPaintData firstFaceData = data;
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ScreenPaintData secondFaceData = data;
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RotationData firstFaceRot = RotationData();
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RotationData secondFaceRot = RotationData();
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RotationDirection direction = slideRotations.head();
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int secondDesktop;
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switch ( direction )
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{
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case Left:
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firstFaceRot.axis = RotationData::YAxis;
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secondFaceRot.axis = RotationData::YAxis;
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secondDesktop = effects->desktopToLeft( front_desktop, true );
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firstFaceRot.angle = 90.0f*timeLine.value();
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secondFaceRot.angle = -90.0f*(1.0f - timeLine.value());
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break;
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case Right:
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firstFaceRot.axis = RotationData::YAxis;
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secondFaceRot.axis = RotationData::YAxis;
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secondDesktop = effects->desktopToRight( front_desktop, true );
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firstFaceRot.angle = -90.0f*timeLine.value();
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secondFaceRot.angle = 90.0f*(1.0f - timeLine.value());
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break;
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case Upwards:
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firstFaceRot.axis = RotationData::XAxis;
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secondFaceRot.axis = RotationData::XAxis;
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secondDesktop = effects->desktopUp( front_desktop, true);
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firstFaceRot.angle = -90.0f*timeLine.value();
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secondFaceRot.angle = 90.0f*(1.0f - timeLine.value());
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point = rect.height()/2*tan(45.0f*M_PI/180.0f);
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break;
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case Downwards:
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firstFaceRot.axis = RotationData::XAxis;
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secondFaceRot.axis = RotationData::XAxis;
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secondDesktop = effects->desktopDown( front_desktop, true );
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firstFaceRot.angle = 90.0f*timeLine.value();
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secondFaceRot.angle = -90.0f*(1.0f - timeLine.value());
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point = rect.height()/2*tan(45.0f*M_PI/180.0f);
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break;
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default:
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// totally impossible
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return;
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}
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// front desktop
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firstFaceRot.xRotationPoint = rect.width()/2;
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firstFaceRot.yRotationPoint = rect.height()/2;
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firstFaceRot.zRotationPoint = -point;
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firstFaceData.rotation = &firstFaceRot;
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effects->paintScreen( mask, region, firstFaceData );
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// second desktop
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painting_desktop = secondDesktop;
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secondFaceRot.xRotationPoint = rect.width()/2;
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secondFaceRot.yRotationPoint = rect.height()/2;
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secondFaceRot.zRotationPoint = -point;
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secondFaceData.rotation = &secondFaceRot;
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effects->paintScreen( mask, region, secondFaceData );
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cube_painting = false;
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painting_desktop = effects->currentDesktop();
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}
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void CubeSlideEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time)
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{
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if( !slideRotations.empty() && cube_painting )
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{
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if( dontSlidePanels && w->isDock())
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{
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panels.insert( w );
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}
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if( dontSlideStickyWindows && !w->isDock() &&
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!w->isDesktop() && w->isOnAllDesktops())
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{
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stickyWindows.insert( w );
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}
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if( w->isOnDesktop( painting_desktop ) )
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w->enablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP );
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else
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w->disablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP );
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}
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effects->prePaintWindow( w, data, time );
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}
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void CubeSlideEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
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{
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if( !slideRotations.empty() && cube_painting )
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{
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if( dontSlidePanels && w->isDock() )
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return;
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if( dontSlideStickyWindows &&
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w->isOnAllDesktops() && !w->isDock() && !w->isDesktop() )
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return;
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}
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effects->paintWindow( w, mask, region, data );
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}
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void CubeSlideEffect::postPaintScreen()
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{
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effects->postPaintScreen();
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if( !slideRotations.empty() )
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{
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if( timeLine.value() == 1.0 )
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{
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RotationDirection direction = slideRotations.dequeue();
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switch (direction)
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{
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case Left:
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front_desktop = effects->desktopToLeft( front_desktop, true );
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break;
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case Right:
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front_desktop = effects->desktopToRight( front_desktop, true );
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break;
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case Upwards:
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front_desktop = effects->desktopUp( front_desktop, true );
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break;
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case Downwards:
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front_desktop = effects->desktopDown( front_desktop, true );
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break;
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}
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timeLine.setProgress( 0.0 );
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if( slideRotations.empty() )
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{
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effects->setActiveFullScreenEffect( 0 );
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glDeleteLists( glList, 1 );
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}
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}
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effects->addRepaintFull();
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}
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}
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void CubeSlideEffect::desktopChanged( int old )
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{
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if( effects->activeFullScreenEffect() && effects->activeFullScreenEffect() != this )
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return;
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bool activate = true;
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if( !slideRotations.empty() )
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{
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// last slide still in progress
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activate = false;
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old = front_desktop;
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RotationDirection direction = slideRotations.dequeue();
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slideRotations.clear();
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slideRotations.enqueue( direction );
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}
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// calculate distance in respect to pager
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int x, y;
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Qt::Orientation orientation;
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effects->calcDesktopLayout( &x, &y, &orientation );
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int x_distance = (( effects->currentDesktop() - 1 ) % x ) - (( old - 1 ) % x );
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if( qAbs( x_distance ) > x/2 )
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{
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int sign = -1 * (x_distance/qAbs( x_distance ));
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x_distance = sign * ( x - qAbs( x_distance ));
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}
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if( x_distance > 0 )
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{
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for( int i=0; i<x_distance; i++ )
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{
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slideRotations.enqueue( Right );
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}
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}
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else if( x_distance < 0 )
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{
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x_distance *= -1;
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for( int i=0; i<x_distance; i++ )
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{
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slideRotations.enqueue( Left );
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}
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}
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int y_distance = (( effects->currentDesktop() -1 ) / x ) - (( old - 1 ) / x );
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if( qAbs( y_distance ) > y/2 )
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{
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int sign = -1 * (y_distance/qAbs( y_distance ));
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y_distance = sign * ( y - qAbs( y_distance ));
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}
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if( y_distance > 0 )
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{
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for( int i=0; i<y_distance; i++ )
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{
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slideRotations.enqueue( Downwards );
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}
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}
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if( y_distance < 0 )
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{
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y_distance *= -1;
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for( int i=0; i<y_distance; i++ )
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{
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slideRotations.enqueue( Upwards );
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}
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}
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if( activate )
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{
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effects->setActiveFullScreenEffect( this );
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glList = glGenLists( 1 );
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timeLine.setProgress( 0.0 );
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front_desktop = old;
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effects->addRepaintFull();
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}
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}
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} // namespace
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