668 lines
25 KiB
C++
668 lines
25 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) 2007 Lubos Lunak <l.lunak@kde.org>
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Copyright (C) 2008 Lucas Murray <lmurray@undefinedfire.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 "desktopgrid.h"
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#include <math.h>
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#include <kaction.h>
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#include <kactioncollection.h>
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#include <klocale.h>
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#include <kconfiggroup.h>
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#include <netwm_def.h>
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#include <QEvent>
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#include <QMouseEvent>
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namespace KWin
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{
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KWIN_EFFECT( desktopgrid, DesktopGridEffect )
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DesktopGridEffect::DesktopGridEffect()
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: activated( false )
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, timeline()
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, keyboardGrab( false )
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, wasWindowMove( false )
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, windowMove( NULL )
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, windowMoveDiff()
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, gridSize()
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, orientation( Qt::Horizontal )
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, activeCell( 1, 1 )
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, scale()
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, unscaledBorder()
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, scaledSize()
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, scaledOffset()
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{
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// Load shortcuts
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KActionCollection* actionCollection = new KActionCollection( this );
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KAction* a = (KAction*) actionCollection->addAction( "ShowDesktopGrid" );
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a->setText( i18n( "Show Desktop Grid" ));
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a->setGlobalShortcut( KShortcut( Qt::CTRL + Qt::Key_F8 ));
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connect( a, SIGNAL( triggered( bool )), this, SLOT( toggle() ));
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// Load all other configuration details
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KConfigGroup conf = effects->effectConfig( "DesktopGrid" );
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borderActivate = ElectricBorder( conf.readEntry( "BorderActivate", int( ElectricNone )));
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effects->reserveElectricBorder( borderActivate );
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zoomDuration = animationTime( conf, "ZoomDuration", 300 );
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timeline.setCurveShape( TimeLine::EaseInOutCurve );
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timeline.setDuration( zoomDuration );
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border = conf.readEntry( "BorderWidth", 10 );
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desktopNameAlignment = Qt::Alignment( conf.readEntry( "DesktopNameAlignment", 0 ));
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layoutMode = conf.readEntry( "LayoutMode", int( LayoutPager ));
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customLayoutRows = conf.readEntry( "CustomLayoutRows", 2 );
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}
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DesktopGridEffect::~DesktopGridEffect()
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{
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effects->unreserveElectricBorder( borderActivate );
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}
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//-----------------------------------------------------------------------------
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// Screen painting
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void DesktopGridEffect::prePaintScreen( ScreenPrePaintData& data, int time )
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{
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if( timeline.value() != 0 || activated )
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{
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if( activated )
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timeline.addTime(time);
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else
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timeline.removeTime(time);
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for( int i = 0; i < effects->numberOfDesktops(); i++ )
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{
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if( i == highlightedDesktop - 1 )
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hoverTimeline[i].addTime(time);
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else
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hoverTimeline[i].removeTime(time);
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}
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// PAINT_SCREEN_BACKGROUND_FIRST is needed because screen will be actually painted more than once,
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// so with normal screen painting second screen paint would erase parts of the first paint
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if( timeline.value() != 0 )
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data.mask |= PAINT_SCREEN_TRANSFORMED | PAINT_SCREEN_BACKGROUND_FIRST;
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if( !activated && timeline.value() == 0 )
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finish();
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}
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effects->prePaintScreen( data, time );
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}
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void DesktopGridEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
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{
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if( timeline.value() == 0 )
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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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for( int desktop = 1; desktop <= effects->numberOfDesktops(); desktop++ )
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{
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ScreenPaintData d = data;
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paintingDesktop = desktop;
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effects->paintScreen( mask, region, d );
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}
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if( desktopNameAlignment )
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{
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double progress = timeline.value();
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QColor textColor( 255, 255, 255, 255 * progress );
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QColor bgColor( 0, 0, 0, 178 * progress ); // 70%
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QFont f;
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f.setBold( true );
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f.setPointSize( 12 );
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for( int screen = 0; screen < effects->numScreens(); screen++ )
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{
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QRect screenGeom = effects->clientArea( ScreenArea, screen, 0 );
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PaintClipper pc( screenGeom ); // TODO: Doesn't work in XRender for some reason?
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for( int desktop = 1; desktop <= effects->numberOfDesktops(); desktop++ )
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{
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QPointF posTL( scalePos( screenGeom.topLeft(), desktop, screen ));
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QPointF posBR( scalePos( screenGeom.bottomRight(), desktop, screen ));
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QRect textArea( posTL.x(), posTL.y(), posBR.x() - posTL.x(), posBR.y() - posTL.y() );
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textArea.adjust( textArea.width() / 10, textArea.height() / 10,
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-textArea.width() / 10, -textArea.height() / 10 );
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effects->paintTextWithBackground( effects->desktopName( desktop ),
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textArea, textColor, bgColor, f, desktopNameAlignment );
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}
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}
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}
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}
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void DesktopGridEffect::postPaintScreen()
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{
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if( activated ? timeline.value() != 1 : timeline.value() != 0 )
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effects->addRepaintFull(); // Repaint during zoom
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if( activated )
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{
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for( int i = 0; i < effects->numberOfDesktops(); i++ )
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{
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if( hoverTimeline[i].value() != 0.0 && hoverTimeline[i].value() != 1.0 )
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{ // Repaint during soft highlighting
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effects->addRepaintFull();
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break;
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}
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}
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}
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effects->postPaintScreen();
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}
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//-----------------------------------------------------------------------------
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// Window painting
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void DesktopGridEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
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{
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if( timeline.value() != 0 )
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{
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if( w->isOnDesktop( paintingDesktop ))
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{
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w->enablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP );
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data.mask |= PAINT_WINDOW_TRANSFORMED;
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// Split windows at screen edges
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for( int screen = 0; screen < effects->numScreens(); screen++ )
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{
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QRect screenGeom = effects->clientArea( ScreenArea, screen, 0 );
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if( w->x() < screenGeom.x() )
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data.quads = data.quads.splitAtX( screenGeom.x() - w->x() );
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if( w->x() + w->width() > screenGeom.x() + screenGeom.width() )
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data.quads = data.quads.splitAtX( screenGeom.x() + screenGeom.width() - w->x() );
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if( w->y() < screenGeom.y() )
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data.quads = data.quads.splitAtY( screenGeom.y() - w->y() );
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if( w->y() + w->height() > screenGeom.y() + screenGeom.height() )
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data.quads = data.quads.splitAtY( screenGeom.y() + screenGeom.height() - w->y() );
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}
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}
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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 DesktopGridEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
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{
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if( timeline.value() != 0 )
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{
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double xScale = data.xScale;
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double yScale = data.yScale;
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data.brightness *= 1.0 - ( 0.3 * ( 1.0 - hoverTimeline[paintingDesktop - 1].value() ));
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for( int screen = 0; screen < effects->numScreens(); screen++ )
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{
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QRect screenGeom = effects->clientArea( ScreenArea, screen, 0 );
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// Display all quads on the same screen on the same pass
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WindowQuadList screenQuads;
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foreach( WindowQuad quad, data.quads )
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{
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QRect quadRect(
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w->x() + quad.left(), w->y() + quad.top(),
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quad.right() - quad.left(), quad.bottom() - quad.top()
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);
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if( quadRect.intersects( screenGeom ))
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screenQuads.append( quad );
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}
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if( screenQuads.isEmpty() )
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continue; // Nothing is being displayed, don't bother
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WindowPaintData d = data;
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d.quads = screenQuads;
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QPointF newPos = scalePos( QPoint( w->x(), w->y() ), paintingDesktop, screen);
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double progress = timeline.value();
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d.xScale = interpolate( 1, xScale * scale[screen], progress);
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d.yScale = interpolate( 1, yScale * scale[screen], progress);
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d.xTranslate += qRound( newPos.x() - w->x() );
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d.yTranslate += qRound( newPos.y() - w->y() );
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if( effects->compositingType() == XRenderCompositing )
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{ // More exact clipping as XRender displays the entire window instead of just the quad
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QPointF screenPosF = scalePos( screenGeom.topLeft(), paintingDesktop ).toPoint();
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QPoint screenPos(
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qRound( screenPosF.x() ),
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qRound( screenPosF.y() )
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);
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QSize screenSize(
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qRound( interpolate( screenGeom.width(), scaledSize[screen].width(), progress )),
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qRound( interpolate( screenGeom.height(), scaledSize[screen].height(), progress ))
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);
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PaintClipper pc( effects->clientArea( ScreenArea, screen, 0 ) & QRect( screenPos, screenSize ));
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effects->paintWindow( w, mask, region, d );
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}
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else
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{
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PaintClipper pc( effects->clientArea( ScreenArea, screen, 0 ));
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effects->paintWindow( w, mask, region, d );
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}
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}
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}
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else
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effects->paintWindow( w, mask, region, data );
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}
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//-----------------------------------------------------------------------------
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// User interaction
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void DesktopGridEffect::windowClosed( EffectWindow* w )
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{
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if( w == windowMove )
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{
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effects->setElevatedWindow( windowMove, false );
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windowMove = NULL;
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}
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}
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void DesktopGridEffect::windowInputMouseEvent( Window, QEvent* e )
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{
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if(( e->type() != QEvent::MouseMove
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&& e->type() != QEvent::MouseButtonPress
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&& e->type() != QEvent::MouseButtonRelease )
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|| timeline.value() != 1 ) // Block user input during animations
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return;
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QMouseEvent* me = static_cast< QMouseEvent* >( e );
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if( e->type() == QEvent::MouseMove )
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{
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int d = posToDesktop( me->pos());
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if( windowMove != NULL )
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{ // Handle window moving
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if( !wasWindowMove ) // Activate on move
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effects->activateWindow( windowMove );
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wasWindowMove = true;
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effects->moveWindow( windowMove, unscalePos( me->pos(), NULL ) + windowMoveDiff );
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// TODO: Window snap
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if( d != highlightedDesktop && !windowMove->isOnAllDesktops() )
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effects->windowToDesktop( windowMove, d ); // Not true all desktop move
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}
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if( d != highlightedDesktop ) // Highlight desktop
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setHighlightedDesktop( d );
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}
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if( e->type() == QEvent::MouseButtonPress )
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{
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if( me->buttons() == Qt::LeftButton )
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{
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QRect rect;
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EffectWindow* w = windowAt( me->pos());
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if( w != NULL && w->isMovable())
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{ // Prepare it for moving
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windowMoveDiff = w->pos() - unscalePos( me->pos(), NULL );
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windowMove = w;
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}
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}
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else if(( me->buttons() == Qt::MidButton || me->buttons() == Qt::RightButton ) && windowMove == NULL )
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{
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EffectWindow* w = windowAt( me->pos());
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if( w != NULL )
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{
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if( w->isOnAllDesktops())
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effects->windowToDesktop( w, posToDesktop( me->pos()));
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else
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effects->windowToDesktop( w, NET::OnAllDesktops );
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effects->addRepaintFull();
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}
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}
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}
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if( e->type() == QEvent::MouseButtonRelease && me->button() == Qt::LeftButton )
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{
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if( wasWindowMove )
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effects->activateWindow( windowMove ); // Just in case it was deactivated
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else
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{
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setCurrentDesktop( highlightedDesktop );
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setActive( false );
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}
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windowMove = NULL;
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wasWindowMove = false;
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}
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}
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void DesktopGridEffect::grabbedKeyboardEvent( QKeyEvent* e )
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{
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if( e->type() == QEvent::KeyPress )
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{
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int desktop = -1;
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// switch by F<number> or just <number>
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if( e->key() >= Qt::Key_F1 && e->key() <= Qt::Key_F35 )
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desktop = e->key() - Qt::Key_F1 + 1;
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else if( e->key() >= Qt::Key_0 && e->key() <= Qt::Key_9 )
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desktop = e->key() == Qt::Key_0 ? 10 : e->key() - Qt::Key_0;
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if( desktop != -1 )
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{
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if( desktop <= effects->numberOfDesktops())
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{
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setHighlightedDesktop( desktop );
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setCurrentDesktop( desktop );
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setActive( false );
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}
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return;
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}
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switch( e->key())
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{ // Wrap only on autorepeat
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case Qt::Key_Left:
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setHighlightedDesktop( effects->desktopToLeft( highlightedDesktop, !e->isAutoRepeat()));
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break;
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case Qt::Key_Right:
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setHighlightedDesktop( effects->desktopToRight( highlightedDesktop, !e->isAutoRepeat()));
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break;
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case Qt::Key_Up:
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setHighlightedDesktop( effects->desktopUp( highlightedDesktop, !e->isAutoRepeat()));
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break;
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case Qt::Key_Down:
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setHighlightedDesktop( effects->desktopDown( highlightedDesktop, !e->isAutoRepeat()));
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break;
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case Qt::Key_Escape:
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setActive( false );
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return;
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case Qt::Key_Enter:
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case Qt::Key_Return:
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case Qt::Key_Space:
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setCurrentDesktop( highlightedDesktop );
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setActive( false );
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return;
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default:
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break;
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}
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}
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}
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bool DesktopGridEffect::borderActivated( ElectricBorder border )
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{
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if( effects->activeFullScreenEffect() && effects->activeFullScreenEffect() != this )
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return false;
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if( border == borderActivate && !activated )
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{
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toggle();
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return true;
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}
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return false;
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}
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//-----------------------------------------------------------------------------
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// Helper functions
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// Transform a point to its position on the scaled grid
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QPointF DesktopGridEffect::scalePos( const QPoint& pos, int desktop, int screen ) const
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{
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if( screen == -1 )
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screen = effects->screenNumber( pos );
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QRect screenGeom = effects->clientArea( ScreenArea, screen, 0 );
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QPoint desktopCell;
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if( orientation == Qt::Horizontal )
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{
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desktopCell.setX(( desktop - 1 ) % gridSize.width() + 1 );
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desktopCell.setY(( desktop - 1 ) / gridSize.width() + 1 );
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}
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else
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{
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desktopCell.setX(( desktop - 1 ) / gridSize.height() + 1 );
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desktopCell.setY(( desktop - 1 ) % gridSize.height() + 1 );
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}
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double progress = timeline.value();
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QPointF point(
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interpolate(
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(
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( screenGeom.width() + unscaledBorder[screen] ) * ( desktopCell.x() - 1 )
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- ( screenGeom.width() + unscaledBorder[screen] ) * ( activeCell.x() - 1 )
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) + pos.x(),
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(
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( scaledSize[screen].width() + border ) * ( desktopCell.x() - 1 )
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+ scaledOffset[screen].x()
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+ ( pos.x() - screenGeom.x() ) * scale[screen]
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),
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progress ),
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interpolate(
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(
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( screenGeom.height() + unscaledBorder[screen] ) * ( desktopCell.y() - 1 )
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- ( screenGeom.height() + unscaledBorder[screen] ) * ( activeCell.y() - 1 )
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) + pos.y(),
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(
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( scaledSize[screen].height() + border ) * ( desktopCell.y() - 1 )
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+ scaledOffset[screen].y()
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+ ( pos.y() - screenGeom.y() ) * scale[screen]
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),
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progress )
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);
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return point;
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}
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// Detransform a point to its position on the full grid
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// TODO: Doesn't correctly interpolate (Final position is correct though), don't forget to copy to posToDesktop()
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QPoint DesktopGridEffect::unscalePos( const QPoint& pos, int* desktop ) const
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{
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int screen = effects->screenNumber( pos );
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QRect screenGeom = effects->clientArea( ScreenArea, screen, 0 );
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//double progress = timeline.value();
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double scaledX = /*interpolate(
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( pos.x() - screenGeom.x() + unscaledBorder[screen] / 2.0 ) / ( screenGeom.width() + unscaledBorder[screen] ) + activeCell.x() - 1,*/
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( pos.x() - scaledOffset[screen].x() + double( border ) / 2.0 ) / ( scaledSize[screen].width() + border )/*,
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progress )*/;
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double scaledY = /*interpolate(
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( pos.y() - screenGeom.y() + unscaledBorder[screen] / 2.0 ) / ( screenGeom.height() + unscaledBorder[screen] ) + activeCell.y() - 1,*/
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( pos.y() - scaledOffset[screen].y() + double( border ) / 2.0 ) / ( scaledSize[screen].height() + border )/*,
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progress )*/;
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int gx = qBound( 0, int( scaledX ), gridSize.width() - 1 ); // Zero-based
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int gy = qBound( 0, int( scaledY ), gridSize.height() - 1 );
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scaledX -= gx;
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scaledY -= gy;
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if( desktop != NULL )
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{
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if( orientation == Qt::Horizontal )
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*desktop = gy * gridSize.width() + gx + 1;
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else
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*desktop = gx * gridSize.height() + gy + 1;
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}
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return QPoint(
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qBound(
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screenGeom.x(),
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qRound(
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scaledX * ( screenGeom.width() + unscaledBorder[screen] )
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- unscaledBorder[screen] / 2.0
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+ screenGeom.x()
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),
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screenGeom.right()
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),
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qBound(
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screenGeom.y(),
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qRound(
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scaledY * ( screenGeom.height() + unscaledBorder[screen] )
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- unscaledBorder[screen] / 2.0
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+ screenGeom.y()
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),
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screenGeom.bottom()
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)
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);
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}
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int DesktopGridEffect::posToDesktop( const QPoint& pos ) const
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{ // Copied from unscalePos()
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int screen = effects->screenNumber( pos );
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QRect screenGeom = effects->clientArea( ScreenArea, screen, 0 );
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//double progress = timeline.value();
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double scaledX = /*interpolate(
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( pos.x() - screenGeom.x() + unscaledBorder[screen] / 2.0 ) / ( screenGeom.width() + unscaledBorder[screen] ) + activeCell.x() - 1,*/
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( pos.x() - scaledOffset[screen].x() + double( border ) / 2.0 ) / ( scaledSize[screen].width() + border )/*,
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progress )*/;
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double scaledY = /*interpolate(
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( pos.y() - screenGeom.y() + unscaledBorder[screen] / 2.0 ) / ( screenGeom.height() + unscaledBorder[screen] ) + activeCell.y() - 1,*/
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( pos.y() - scaledOffset[screen].y() + double( border ) / 2.0 ) / ( scaledSize[screen].height() + border )/*,
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progress )*/;
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int gx = qBound( 0, int( scaledX ), gridSize.width() - 1 ); // Zero-based
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int gy = qBound( 0, int( scaledY ), gridSize.height() - 1 );
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scaledX -= gx;
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scaledY -= gy;
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if( orientation == Qt::Horizontal )
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return gy * gridSize.width() + gx + 1;
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return gx * gridSize.height() + gy + 1;
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}
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EffectWindow* DesktopGridEffect::windowAt( QPoint pos ) const
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{
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// Get stacking order top first
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EffectWindowList windows = effects->stackingOrder();
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EffectWindowList::Iterator begin = windows.begin();
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EffectWindowList::Iterator end = windows.end();
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--end;
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while( begin < end )
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qSwap( *begin++, *end-- );
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int desktop;
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pos = unscalePos( pos, &desktop );
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foreach( EffectWindow* w, windows )
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if( w->isOnDesktop( desktop ) && w->geometry().contains( pos ))
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return w;
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return NULL;
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}
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void DesktopGridEffect::setCurrentDesktop( int desktop )
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{
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if( orientation == Qt::Horizontal )
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{
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activeCell.setX(( desktop - 1 ) % gridSize.width() + 1 );
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activeCell.setY(( desktop - 1 ) / gridSize.width() + 1 );
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}
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else
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{
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activeCell.setX(( desktop - 1 ) / gridSize.height() + 1 );
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activeCell.setY(( desktop - 1 ) % gridSize.height() + 1 );
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}
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if( effects->currentDesktop() != desktop )
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effects->setCurrentDesktop( desktop );
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}
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void DesktopGridEffect::setHighlightedDesktop( int d )
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{
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if( d == highlightedDesktop || d <= 0 || d > effects->numberOfDesktops() )
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return;
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highlightedDesktop = d;
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effects->addRepaintFull();
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}
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//-----------------------------------------------------------------------------
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// Activation
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void DesktopGridEffect::toggle()
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{
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setActive( !activated );
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}
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|
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void DesktopGridEffect::setActive( bool active )
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|
{
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if( effects->activeFullScreenEffect() && effects->activeFullScreenEffect() != this )
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return; // Only one fullscreen effect at a time thanks
|
|
if( effects->numberOfDesktops() < 2 )
|
|
return; // No point if there is only one desktop
|
|
if( activated == active )
|
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return; // Already in that state
|
|
|
|
activated = active;
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|
if( activated && timeline.value() == 0 )
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|
setup();
|
|
effects->addRepaintFull();
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}
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|
|
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void DesktopGridEffect::setup()
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|
{
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|
keyboardGrab = effects->grabKeyboard( this );
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input = effects->createInputWindow( this, 0, 0, displayWidth(), displayHeight(),
|
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Qt::PointingHandCursor );
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|
effects->setActiveFullScreenEffect( this );
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|
setHighlightedDesktop( effects->currentDesktop() );
|
|
|
|
// Soft highlighting
|
|
hoverTimeline.clear();
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|
for( int i = 0; i < effects->numberOfDesktops(); i++ )
|
|
{
|
|
TimeLine newTimeline( animationTime( 250 ));
|
|
newTimeline.setCurveShape( TimeLine::EaseInOutCurve );
|
|
hoverTimeline.append( newTimeline );
|
|
}
|
|
hoverTimeline[effects->currentDesktop() - 1].setProgress( 1.0 );
|
|
|
|
// We need these variables for every paint so lets cache them
|
|
int x, y;
|
|
int numDesktops = effects->numberOfDesktops();
|
|
switch( layoutMode )
|
|
{
|
|
default:
|
|
case LayoutPager:
|
|
effects->calcDesktopLayout( &gridSize.rwidth(), &gridSize.rheight(), &orientation );
|
|
break;
|
|
case LayoutAutomatic:
|
|
y = sqrt( numDesktops ) + 0.5;
|
|
x = float( numDesktops ) / float( y ) + 0.5;
|
|
if( x * y < numDesktops )
|
|
x++;
|
|
orientation = Qt::Horizontal;
|
|
gridSize.setWidth( x );
|
|
gridSize.setHeight( y );
|
|
break;
|
|
case LayoutCustom:
|
|
effects->calcDesktopLayout( &gridSize.rwidth(), &gridSize.rheight(), &orientation );
|
|
gridSize.setWidth( ceil( effects->numberOfDesktops() / double( customLayoutRows )));
|
|
gridSize.setHeight( customLayoutRows );
|
|
break;
|
|
}
|
|
setCurrentDesktop( effects->currentDesktop() );
|
|
scale.clear();
|
|
unscaledBorder.clear();
|
|
scaledSize.clear();
|
|
scaledOffset.clear();
|
|
for( int i = 0; i < effects->numScreens(); i++ )
|
|
{
|
|
QRect geom = effects->clientArea( ScreenArea, i, 0 );
|
|
double sScale;
|
|
if( gridSize.width() > gridSize.height() )
|
|
sScale = ( geom.width() - border * ( gridSize.width() + 1 )) / double( geom.width() * gridSize.width() );
|
|
else
|
|
sScale = ( geom.height() - border * ( gridSize.height() + 1 )) / double( geom.height() * gridSize.height() );
|
|
double sBorder = border / sScale;
|
|
QSizeF size(
|
|
double( geom.width() ) * sScale,
|
|
double( geom.height() ) * sScale
|
|
);
|
|
QPointF offset(
|
|
geom.x() + ( geom.width() - size.width() * gridSize.width() - border * ( gridSize.width() - 1 )) / 2.0,
|
|
geom.y() + ( geom.height() - size.height() * gridSize.height() - border * ( gridSize.height() - 1 )) / 2.0
|
|
);
|
|
scale.append( sScale );
|
|
unscaledBorder.append( sBorder );
|
|
scaledSize.append( size );
|
|
scaledOffset.append( offset );
|
|
}
|
|
}
|
|
|
|
void DesktopGridEffect::finish()
|
|
{
|
|
if( keyboardGrab )
|
|
effects->ungrabKeyboard();
|
|
keyboardGrab = false;
|
|
effects->destroyInputWindow( input );
|
|
effects->setActiveFullScreenEffect( 0 );
|
|
}
|
|
|
|
} // namespace
|
|
|
|
#include "desktopgrid.moc"
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