1249 lines
36 KiB
C++
1249 lines
36 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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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 "kwineffects.h"
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#include "kwinglutils.h"
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#include "kwinxrenderutils.h"
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#include <QtDBus/QtDBus>
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#include <QVariant>
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#include <QList>
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#include <QtCore/QTimeLine>
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#include <QtGui/QFontMetrics>
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#include <QtGui/QPainter>
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#include <QtGui/QPixmap>
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#include <kdebug.h>
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#include <ksharedconfig.h>
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#include <kconfiggroup.h>
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#include <assert.h>
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING
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#include <X11/extensions/Xrender.h>
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#include <X11/extensions/Xfixes.h>
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#endif
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namespace KWin
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{
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void WindowPrePaintData::setTranslucent()
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{
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mask |= Effect::PAINT_WINDOW_TRANSLUCENT;
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mask &= ~Effect::PAINT_WINDOW_OPAQUE;
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clip = QRegion(); // cannot clip, will be transparent
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}
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void WindowPrePaintData::setTransformed()
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{
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mask |= Effect::PAINT_WINDOW_TRANSFORMED;
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}
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WindowPaintData::WindowPaintData( EffectWindow* w )
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: opacity( w->opacity())
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, contents_opacity( 1.0 )
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, decoration_opacity( 1.0 )
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, xScale( 1 )
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, yScale( 1 )
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, zScale( 1 )
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, xTranslate( 0 )
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, yTranslate( 0 )
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, zTranslate( 0 )
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, saturation( 1 )
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, brightness( 1 )
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, shader( NULL )
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, rotation( NULL )
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{
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quads = w->buildQuads();
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}
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ScreenPaintData::ScreenPaintData()
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: xScale( 1 )
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, yScale( 1 )
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, zScale( 1 )
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, xTranslate( 0 )
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, yTranslate( 0 )
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, zTranslate( 0 )
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, rotation( NULL )
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{
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}
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RotationData::RotationData()
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: axis( ZAxis )
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, angle( 0.0 )
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, xRotationPoint( 0.0 )
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, yRotationPoint( 0.0 )
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, zRotationPoint( 0.0 )
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{
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}
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//****************************************
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// Effect
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//****************************************
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Effect::Effect()
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{
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}
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Effect::~Effect()
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{
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}
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void Effect::windowUserMovedResized( EffectWindow* , bool, bool )
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{
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}
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void Effect::windowOpacityChanged( EffectWindow*, double )
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{
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}
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void Effect::windowAdded( EffectWindow* )
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{
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}
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void Effect::windowClosed( EffectWindow* )
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{
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}
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void Effect::windowDeleted( EffectWindow* )
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{
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}
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void Effect::windowActivated( EffectWindow* )
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{
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}
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void Effect::windowMinimized( EffectWindow* )
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{
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}
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void Effect::windowUnminimized( EffectWindow* )
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{
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}
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void Effect::windowInputMouseEvent( Window, QEvent* )
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{
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}
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void Effect::grabbedKeyboardEvent( QKeyEvent* )
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{
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}
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void Effect::propertyNotify( EffectWindow* , long )
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{
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}
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void Effect::desktopChanged( int )
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{
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}
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void Effect::windowDamaged( EffectWindow*, const QRect& )
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{
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}
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void Effect::windowGeometryShapeChanged( EffectWindow*, const QRect& )
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{
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}
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void Effect::tabBoxAdded( int )
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{
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}
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void Effect::tabBoxClosed()
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{
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}
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void Effect::tabBoxUpdated()
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{
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}
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bool Effect::borderActivated( ElectricBorder )
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{
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return false;
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}
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void Effect::mouseChanged( const QPoint&, const QPoint&, Qt::MouseButtons,
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Qt::MouseButtons, Qt::KeyboardModifiers, Qt::KeyboardModifiers )
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{
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}
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void Effect::prePaintScreen( ScreenPrePaintData& data, int time )
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{
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effects->prePaintScreen( data, time );
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}
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void Effect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
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{
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effects->paintScreen( mask, region, data );
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}
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void Effect::postPaintScreen()
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{
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effects->postPaintScreen();
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}
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void Effect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
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{
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effects->prePaintWindow( w, data, time );
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}
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void Effect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
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{
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effects->paintWindow( w, mask, region, data );
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}
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void Effect::postPaintWindow( EffectWindow* w )
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{
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effects->postPaintWindow( w );
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}
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void Effect::drawWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
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{
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effects->drawWindow( w, mask, region, data );
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}
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QRect Effect::transformWindowDamage( EffectWindow* w, const QRect& r )
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{
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return effects->transformWindowDamage( w, r );
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}
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void Effect::setPositionTransformations( WindowPaintData& data, QRect& region, EffectWindow* w,
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const QRect& r, Qt::AspectRatioMode aspect )
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{
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QSize size = w->size();
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size.scale( r.size(), aspect );
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data.xScale = size.width() / double( w->width());
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data.yScale = size.height() / double( w->height());
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int width = int( w->width() * data.xScale );
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int height = int( w->height() * data.yScale );
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int x = r.x() + ( r.width() - width ) / 2;
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int y = r.y() + ( r.height() - height ) / 2;
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region = QRect( x, y, width, height );
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data.xTranslate = x - w->x();
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data.yTranslate = y - w->y();
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}
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int Effect::displayWidth()
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{
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return KWin::displayWidth();
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}
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int Effect::displayHeight()
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{
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return KWin::displayHeight();
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}
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QPoint Effect::cursorPos()
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{
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return effects->cursorPos();
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}
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double Effect::animationTime( const KConfigGroup& cfg, const QString& key, int defaultTime )
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{
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int time = cfg.readEntry( key, 0 );
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return time != 0 ? time : qMax( defaultTime * effects->animationTimeFactor(), 1. );
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}
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double Effect::animationTime( int defaultTime )
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{ // at least 1ms, otherwise 0ms times can break some things
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return qMax( defaultTime * effects->animationTimeFactor(), 1. );
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}
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//****************************************
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// EffectsHandler
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//****************************************
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EffectsHandler::EffectsHandler(CompositingType type)
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: current_paint_screen( 0 )
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, current_paint_window( 0 )
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, current_draw_window( 0 )
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, current_transform( 0 )
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, compositing_type( type )
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{
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if( compositing_type == NoCompositing )
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return;
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KWin::effects = this;
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}
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EffectsHandler::~EffectsHandler()
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{
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// All effects should already be unloaded by Impl dtor
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assert( loaded_effects.count() == 0 );
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}
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QRect EffectsHandler::transformWindowDamage( EffectWindow* w, const QRect& r )
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{
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if( current_transform < loaded_effects.size())
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{
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QRect rr = loaded_effects[current_transform++].second->transformWindowDamage( w, r );
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--current_transform;
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return rr;
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}
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else
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return r;
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}
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Window EffectsHandler::createInputWindow( Effect* e, const QRect& r, const QCursor& cursor )
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{
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return createInputWindow( e, r.x(), r.y(), r.width(), r.height(), cursor );
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}
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Window EffectsHandler::createFullScreenInputWindow( Effect* e, const QCursor& cursor )
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{
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return createInputWindow( e, 0, 0, displayWidth(), displayHeight(), cursor );
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}
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CompositingType EffectsHandler::compositingType() const
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{
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return compositing_type;
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}
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bool EffectsHandler::saturationSupported() const
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{
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switch( compositing_type )
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{
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#ifdef KWIN_HAVE_OPENGL_COMPOSITING
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case OpenGLCompositing:
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return GLTexture::saturationSupported();
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#endif
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case XRenderCompositing:
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return false; // never
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default:
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abort();
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}
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}
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void EffectsHandler::sendReloadMessage( const QString& effectname )
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{
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QDBusMessage message = QDBusMessage::createMethodCall("org.kde.kwin", "/KWin", "org.kde.KWin", "reloadEffect");
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message << QString("kwin4_effect_" + effectname);
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QDBusConnection::sessionBus().send(message);
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}
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KConfigGroup EffectsHandler::effectConfig( const QString& effectname )
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{
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KSharedConfig::Ptr kwinconfig = KSharedConfig::openConfig( "kwinrc", KConfig::NoGlobals );
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return kwinconfig->group( "Effect-" + effectname );
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}
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bool EffectsHandler::paintText( const QString& text, const QRect& rect, const QColor& color,
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const QFont& font, const Qt::Alignment& alignment )
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{
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QPainter p;
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// Calculate size of the text
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QFontMetrics fm( font );
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QString painttext = fm.elidedText( text, Qt::ElideRight, rect.width() );
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QRect textrect = fm.boundingRect( painttext );
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// Create temporary QPixmap where the text will be drawn onto
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QPixmap textPixmap( textrect.width(), textrect.height());
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textPixmap.fill( Qt::transparent );
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// Draw the text
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p.begin( &textPixmap );
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p.setFont( font );
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p.setRenderHint( QPainter::TextAntialiasing );
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p.setPen( color );
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p.drawText( -textrect.topLeft(), painttext );
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p.end();
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// Area covered by text
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int rectX, rectY;
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if( alignment & Qt::AlignLeft )
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rectX = rect.x();
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else if( alignment & Qt::AlignRight )
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rectX = rect.right() - textrect.width();
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else
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rectX = rect.center().x() - textrect.width() / 2;
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if( alignment & Qt::AlignTop )
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rectY = rect.y();
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else if( alignment & Qt::AlignBottom )
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rectY = rect.bottom() - textrect.height();
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else
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rectY = rect.center().y() - textrect.height() / 2;
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QRect area( rectX, rectY, textrect.width(), textrect.height() );
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#ifdef KWIN_HAVE_OPENGL_COMPOSITING
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if( effects->compositingType() == OpenGLCompositing )
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{
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GLTexture textTexture( textPixmap, GL_TEXTURE_RECTANGLE_ARB );
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glPushAttrib( GL_CURRENT_BIT | GL_ENABLE_BIT | GL_TEXTURE_BIT );
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glEnable( GL_BLEND );
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glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
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textTexture.bind();
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textTexture.render( infiniteRegion(), area );
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textTexture.unbind();
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glPopAttrib();
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return true;
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}
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#endif
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING
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if( effects->compositingType() == XRenderCompositing )
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{
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XRenderPicture textPicture( textPixmap );
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XRenderComposite( display(), textPixmap.depth() == 32 ? PictOpOver : PictOpSrc,
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textPicture, None, effects->xrenderBufferPicture(),
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0, 0, 0, 0, area.x(), area.y(), area.width(), area.height());
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return true;
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}
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#endif
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return false;
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}
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bool EffectsHandler::paintTextWithBackground( const QString& text, const QRect& rect, const QColor& color,
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const QColor& bgcolor, const QFont& font, const Qt::Alignment& alignment )
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{
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// Calculate size of the text
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QFontMetrics fm( font );
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QString painttext = fm.elidedText( text, Qt::ElideRight, rect.width() );
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QRect textrect = fm.boundingRect( painttext );
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// Area covered by text
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int rectX, rectY;
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if( alignment & Qt::AlignLeft )
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rectX = rect.x();
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else if( alignment & Qt::AlignRight )
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rectX = rect.right() - textrect.width();
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else
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rectX = rect.center().x() - textrect.width() / 2;
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if( alignment & Qt::AlignTop )
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rectY = rect.y();
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else if( alignment & Qt::AlignBottom )
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rectY = rect.bottom() - textrect.height();
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else
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rectY = rect.center().y() - textrect.height() / 2;
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QRect area( rectX, rectY, textrect.width(), textrect.height() );
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#ifdef KWIN_HAVE_OPENGL_COMPOSITING
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if( effects->compositingType() == OpenGLCompositing )
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{
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glColor4f( bgcolor.redF(), bgcolor.greenF(), bgcolor.blueF(), bgcolor.alphaF() );
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renderRoundBox( area.adjusted( -8, -3, 8, 3 ), 5 );
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return paintText( text, rect, color, font, alignment );
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}
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#endif
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#ifdef KWIN_HAVE_XRENDER_COMPOSITING
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if( effects->compositingType() == XRenderCompositing )
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{
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xRenderRoundBox( effects->xrenderBufferPicture(), area.adjusted( -8, -3, 8, 3 ), 5, bgcolor );
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return paintText( text, rect, color, font, alignment );
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}
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#endif
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return false;
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}
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EffectsHandler* effects = 0;
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//****************************************
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// EffectWindow
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//****************************************
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EffectWindow::EffectWindow()
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{
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}
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EffectWindow::~EffectWindow()
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{
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}
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bool EffectWindow::isOnCurrentDesktop() const
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{
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return isOnDesktop( effects->currentDesktop());
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}
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bool EffectWindow::isOnDesktop( int d ) const
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{
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return desktop() == d || isOnAllDesktops();
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}
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bool EffectWindow::hasDecoration() const
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{
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return contentsRect() != QRect( 0, 0, width(), height());
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}
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//****************************************
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// EffectWindowGroup
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//****************************************
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EffectWindowGroup::~EffectWindowGroup()
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{
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}
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//****************************************
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// GlobalShortcutsEditor
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//****************************************
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GlobalShortcutsEditor::GlobalShortcutsEditor( QWidget *parent ) :
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KShortcutsEditor( parent, GlobalAction )
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{
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}
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/***************************************************************
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WindowQuad
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***************************************************************/
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WindowQuad WindowQuad::makeSubQuad( double x1, double y1, double x2, double y2 ) const
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{
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assert( x1 < x2 && y1 < y2 && x1 >= left() && x2 <= right() && y1 >= top() && y2 <= bottom());
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#ifndef NDEBUG
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if( isTransformed())
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kFatal( 1212 ) << "Splitting quads is allowed only in pre-paint calls!" ;
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#endif
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WindowQuad ret( *this );
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// vertices are clockwise starting from topleft
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ret.verts[ 0 ].px = x1;
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ret.verts[ 3 ].px = x1;
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ret.verts[ 1 ].px = x2;
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ret.verts[ 2 ].px = x2;
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ret.verts[ 0 ].py = y1;
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ret.verts[ 1 ].py = y1;
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ret.verts[ 2 ].py = y2;
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ret.verts[ 3 ].py = y2;
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// original x/y are supposed to be the same, no transforming is done here
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ret.verts[ 0 ].ox = x1;
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ret.verts[ 3 ].ox = x1;
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ret.verts[ 1 ].ox = x2;
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ret.verts[ 2 ].ox = x2;
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ret.verts[ 0 ].oy = y1;
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ret.verts[ 1 ].oy = y1;
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ret.verts[ 2 ].oy = y2;
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ret.verts[ 3 ].oy = y2;
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double my_tleft = verts[ 0 ].tx;
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double my_tright = verts[ 2 ].tx;
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double my_ttop = verts[ 0 ].ty;
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double my_tbottom = verts[ 2 ].ty;
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double tleft = ( x1 - left()) / ( right() - left()) * ( my_tright - my_tleft ) + my_tleft;
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double tright = ( x2 - left()) / ( right() - left()) * ( my_tright - my_tleft ) + my_tleft;
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double ttop = ( y1 - top()) / ( bottom() - top()) * ( my_tbottom - my_ttop ) + my_ttop;
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double tbottom = ( y2 - top()) / ( bottom() - top()) * ( my_tbottom - my_ttop ) + my_ttop;
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ret.verts[ 0 ].tx = tleft;
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ret.verts[ 3 ].tx = tleft;
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ret.verts[ 1 ].tx = tright;
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ret.verts[ 2 ].tx = tright;
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ret.verts[ 0 ].ty = ttop;
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ret.verts[ 1 ].ty = ttop;
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ret.verts[ 2 ].ty = tbottom;
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ret.verts[ 3 ].ty = tbottom;
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return ret;
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}
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bool WindowQuad::smoothNeeded() const
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{
|
|
// smoothing is needed if the width or height of the quad does not match the original size
|
|
double width = verts[ 1 ].ox - verts[ 0 ].ox;
|
|
double height = verts[ 2 ].oy - verts[ 1 ].oy;
|
|
return( verts[ 1 ].px - verts[ 0 ].px != width || verts[ 2 ].px - verts[ 3 ].px != width
|
|
|| verts[ 2 ].py - verts[ 1 ].py != height || verts[ 3 ].py - verts[ 0 ].py != height );
|
|
}
|
|
|
|
/***************************************************************
|
|
WindowQuadList
|
|
***************************************************************/
|
|
|
|
WindowQuadList WindowQuadList::splitAtX( double x ) const
|
|
{
|
|
WindowQuadList ret;
|
|
foreach( WindowQuad quad, *this )
|
|
{
|
|
#ifndef NDEBUG
|
|
if( quad.isTransformed())
|
|
kFatal( 1212 ) << "Splitting quads is allowed only in pre-paint calls!" ;
|
|
#endif
|
|
bool wholeleft = true;
|
|
bool wholeright = true;
|
|
for( int i = 0;
|
|
i < 4;
|
|
++i )
|
|
{
|
|
if( quad[ i ].x() < x )
|
|
wholeright = false;
|
|
if( quad[ i ].x() > x )
|
|
wholeleft = false;
|
|
}
|
|
if( wholeleft || wholeright ) // is whole in one split part
|
|
{
|
|
ret.append( quad );
|
|
continue;
|
|
}
|
|
ret.append( quad.makeSubQuad( quad.left(), quad.top(), x, quad.bottom()));
|
|
ret.append( quad.makeSubQuad( x, quad.top(), quad.right(), quad.bottom()));
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
WindowQuadList WindowQuadList::splitAtY( double y ) const
|
|
{
|
|
WindowQuadList ret;
|
|
foreach( WindowQuad quad, *this )
|
|
{
|
|
#ifndef NDEBUG
|
|
if( quad.isTransformed())
|
|
kFatal( 1212 ) << "Splitting quads is allowed only in pre-paint calls!" ;
|
|
#endif
|
|
bool wholetop = true;
|
|
bool wholebottom = true;
|
|
for( int i = 0;
|
|
i < 4;
|
|
++i )
|
|
{
|
|
if( quad[ i ].y() < y )
|
|
wholebottom = false;
|
|
if( quad[ i ].y() > y )
|
|
wholetop = false;
|
|
}
|
|
if( wholetop || wholebottom ) // is whole in one split part
|
|
{
|
|
ret.append( quad );
|
|
continue;
|
|
}
|
|
ret.append( quad.makeSubQuad( quad.left(), quad.top(), quad.right(), y ));
|
|
ret.append( quad.makeSubQuad( quad.left(), y, quad.right(), quad.bottom()));
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
WindowQuadList WindowQuadList::makeGrid( int maxquadsize ) const
|
|
{
|
|
if( empty())
|
|
return *this;
|
|
// find the bounding rectangle
|
|
double left = first().left();
|
|
double right = first().right();
|
|
double top = first().top();
|
|
double bottom = first().bottom();
|
|
foreach( WindowQuad quad, *this )
|
|
{
|
|
#ifndef NDEBUG
|
|
if( quad.isTransformed())
|
|
kFatal( 1212 ) << "Splitting quads is allowed only in pre-paint calls!" ;
|
|
#endif
|
|
left = qMin( left, quad.left());
|
|
right = qMax( right, quad.right());
|
|
top = qMin( top, quad.top());
|
|
bottom = qMax( bottom, quad.bottom());
|
|
}
|
|
WindowQuadList ret;
|
|
for( double x = left;
|
|
x < right;
|
|
x += maxquadsize )
|
|
{
|
|
for( double y = top;
|
|
y < bottom;
|
|
y += maxquadsize )
|
|
{
|
|
foreach( WindowQuad quad, *this )
|
|
{
|
|
if( QRectF( QPointF( quad.left(), quad.top()), QPointF( quad.right(), quad.bottom()))
|
|
.intersects( QRectF( x, y, maxquadsize, maxquadsize )))
|
|
{
|
|
ret.append( quad.makeSubQuad( qMax( x, quad.left()), qMax( y, quad.top()),
|
|
qMin( quad.right(), x + maxquadsize ), qMin( quad.bottom(), y + maxquadsize )));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
WindowQuadList WindowQuadList::makeRegularGrid( int xSubdivisions, int ySubdivisions ) const
|
|
{
|
|
if( empty())
|
|
return *this;
|
|
// find the bounding rectangle
|
|
double left = first().left();
|
|
double right = first().right();
|
|
double top = first().top();
|
|
double bottom = first().bottom();
|
|
foreach( WindowQuad quad, *this )
|
|
{
|
|
#ifndef NDEBUG
|
|
if( quad.isTransformed())
|
|
kFatal( 1212 ) << "Splitting quads is allowed only in pre-paint calls!" ;
|
|
#endif
|
|
left = qMin( left, quad.left());
|
|
right = qMax( right, quad.right());
|
|
top = qMin( top, quad.top());
|
|
bottom = qMax( bottom, quad.bottom());
|
|
}
|
|
|
|
double xincrement = (right - left) / xSubdivisions;
|
|
double yincrement = (bottom - top) / ySubdivisions;
|
|
WindowQuadList ret;
|
|
for( double y = top;
|
|
y < bottom;
|
|
y += yincrement )
|
|
{
|
|
for( double x = left;
|
|
x < right;
|
|
x += xincrement)
|
|
{
|
|
foreach( WindowQuad quad, *this )
|
|
{
|
|
if( QRectF( QPointF( quad.left(), quad.top()), QPointF( quad.right(), quad.bottom()))
|
|
.intersects( QRectF( x, y, xincrement, yincrement )))
|
|
{
|
|
ret.append( quad.makeSubQuad( qMax( x, quad.left()), qMax( y, quad.top()),
|
|
qMin( quad.right(), x + xincrement ), qMin( quad.bottom(), y + yincrement )));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void WindowQuadList::makeArrays( float** vertices, float** texcoords ) const
|
|
{
|
|
*vertices = new float[ count() * 4 * 2 ];
|
|
*texcoords = new float[ count() * 4 * 2 ];
|
|
float* vpos = *vertices;
|
|
float* tpos = *texcoords;
|
|
for( int i = 0;
|
|
i < count();
|
|
++i )
|
|
for( int j = 0;
|
|
j < 4;
|
|
++j )
|
|
{
|
|
*vpos++ = at( i )[ j ].x();
|
|
*vpos++ = at( i )[ j ].y();
|
|
*tpos++ = at( i )[ j ].tx;
|
|
*tpos++ = at( i )[ j ].ty;
|
|
}
|
|
}
|
|
|
|
WindowQuadList WindowQuadList::select( WindowQuadType type ) const
|
|
{
|
|
foreach( WindowQuad q, *this )
|
|
{
|
|
if( q.type != type ) // something else than ones to select, make a copy and filter
|
|
{
|
|
WindowQuadList ret;
|
|
foreach( WindowQuad q, *this )
|
|
{
|
|
if( q.type == type )
|
|
ret.append( q );
|
|
}
|
|
return ret;
|
|
}
|
|
}
|
|
return *this; // nothing to filter out
|
|
}
|
|
|
|
WindowQuadList WindowQuadList::filterOut( WindowQuadType type ) const
|
|
{
|
|
foreach( WindowQuad q, *this )
|
|
{
|
|
if( q.type == type ) // something to filter out, make a copy and filter
|
|
{
|
|
WindowQuadList ret;
|
|
foreach( WindowQuad q, *this )
|
|
{
|
|
if( q.type != type )
|
|
ret.append( q );
|
|
}
|
|
return ret;
|
|
}
|
|
}
|
|
return *this; // nothing to filter out
|
|
}
|
|
|
|
bool WindowQuadList::smoothNeeded() const
|
|
{
|
|
foreach( WindowQuad q, *this )
|
|
if( q.smoothNeeded())
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
bool WindowQuadList::isTransformed() const
|
|
{
|
|
foreach( WindowQuad q, *this )
|
|
if( q.isTransformed())
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
/***************************************************************
|
|
PaintClipper
|
|
***************************************************************/
|
|
|
|
QStack< QRegion >* PaintClipper::areas = NULL;
|
|
|
|
PaintClipper::PaintClipper( const QRegion& allowed_area )
|
|
: area( allowed_area )
|
|
{
|
|
push( area );
|
|
}
|
|
|
|
PaintClipper::~PaintClipper()
|
|
{
|
|
pop( area );
|
|
}
|
|
|
|
void PaintClipper::push( const QRegion& allowed_area )
|
|
{
|
|
if( allowed_area == infiniteRegion()) // don't push these
|
|
return;
|
|
if( areas == NULL )
|
|
areas = new QStack< QRegion >;
|
|
areas->push( allowed_area );
|
|
}
|
|
|
|
void PaintClipper::pop( const QRegion& allowed_area )
|
|
{
|
|
if( allowed_area == infiniteRegion())
|
|
return;
|
|
Q_ASSERT( areas != NULL );
|
|
Q_ASSERT( areas->top() == allowed_area );
|
|
areas->pop();
|
|
if( areas->isEmpty())
|
|
{
|
|
delete areas;
|
|
areas = NULL;
|
|
}
|
|
}
|
|
|
|
bool PaintClipper::clip()
|
|
{
|
|
return areas != NULL;
|
|
}
|
|
|
|
QRegion PaintClipper::paintArea()
|
|
{
|
|
assert( areas != NULL ); // can be called only with clip() == true
|
|
QRegion ret = QRegion( 0, 0, displayWidth(), displayHeight());
|
|
foreach( QRegion r, *areas )
|
|
ret &= r;
|
|
return ret;
|
|
}
|
|
|
|
struct PaintClipper::Iterator::Data
|
|
{
|
|
Data() : index( 0 ) {}
|
|
int index;
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
QVector< QRect > rects;
|
|
#endif
|
|
};
|
|
|
|
PaintClipper::Iterator::Iterator()
|
|
: data( new Data )
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( clip() && effects->compositingType() == OpenGLCompositing )
|
|
{
|
|
glPushAttrib( GL_SCISSOR_BIT );
|
|
glEnable( GL_SCISSOR_TEST );
|
|
data->rects = paintArea().rects();
|
|
data->index = -1;
|
|
next(); // move to the first one
|
|
}
|
|
#endif
|
|
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
|
|
if( clip() && effects->compositingType() == XRenderCompositing )
|
|
{
|
|
XserverRegion region = toXserverRegion( paintArea());
|
|
XFixesSetPictureClipRegion( display(), effects->xrenderBufferPicture(), 0, 0, region );
|
|
XFixesDestroyRegion( display(), region ); // it's ref-counted
|
|
}
|
|
#endif
|
|
}
|
|
|
|
PaintClipper::Iterator::~Iterator()
|
|
{
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( clip() && effects->compositingType() == OpenGLCompositing )
|
|
glPopAttrib();
|
|
#endif
|
|
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
|
|
if( clip() && effects->compositingType() == XRenderCompositing )
|
|
XFixesSetPictureClipRegion( display(), effects->xrenderBufferPicture(), 0, 0, None );
|
|
#endif
|
|
delete data;
|
|
}
|
|
|
|
bool PaintClipper::Iterator::isDone()
|
|
{
|
|
if( !clip())
|
|
return data->index == 1; // run once
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( effects->compositingType() == OpenGLCompositing )
|
|
return data->index >= data->rects.count(); // run once per each area
|
|
#endif
|
|
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
|
|
if( effects->compositingType() == XRenderCompositing )
|
|
return data->index == 1; // run once
|
|
#endif
|
|
abort();
|
|
}
|
|
|
|
void PaintClipper::Iterator::next()
|
|
{
|
|
data->index++;
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( clip() && effects->compositingType() == OpenGLCompositing && data->index < data->rects.count())
|
|
{
|
|
const QRect& r = data->rects[ data->index ];
|
|
// Scissor rect has to be given in OpenGL coords
|
|
glScissor( r.x(), displayHeight() - r.y() - r.height(), r.width(), r.height());
|
|
}
|
|
#endif
|
|
}
|
|
|
|
QRect PaintClipper::Iterator::boundingRect() const
|
|
{
|
|
if( !clip())
|
|
return infiniteRegion();
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( effects->compositingType() == OpenGLCompositing )
|
|
return data->rects[ data->index ];
|
|
#endif
|
|
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
|
|
if( effects->compositingType() == XRenderCompositing )
|
|
return paintArea().boundingRect();
|
|
#endif
|
|
abort();
|
|
return infiniteRegion();
|
|
}
|
|
|
|
|
|
/***************************************************************
|
|
TimeLine
|
|
***************************************************************/
|
|
|
|
TimeLine::TimeLine(const int duration)
|
|
{
|
|
m_Time = 0;
|
|
m_CurveShape = TimeLine::EaseInCurve;
|
|
m_Duration = duration;
|
|
m_TimeLine = new QTimeLine(m_Duration ? m_Duration : 1); // (avoid QTimeLine warning)
|
|
m_TimeLine->setFrameRange(0, m_Duration);
|
|
m_TimeLine->setCurveShape(QTimeLine::EaseInCurve);
|
|
}
|
|
|
|
TimeLine::TimeLine(const TimeLine &other)
|
|
{
|
|
m_Time = other.m_Time;
|
|
m_CurveShape = other.m_CurveShape;
|
|
m_Duration = other.m_Duration;
|
|
m_TimeLine = new QTimeLine(m_Duration);
|
|
m_TimeLine->setFrameRange(0, m_Duration);
|
|
setProgress(m_Progress);
|
|
setCurveShape(m_CurveShape);
|
|
}
|
|
|
|
TimeLine::~TimeLine()
|
|
{
|
|
delete m_TimeLine;
|
|
}
|
|
|
|
int TimeLine::duration() const
|
|
{
|
|
return m_Duration;
|
|
}
|
|
|
|
void TimeLine::setDuration(const int msec)
|
|
{
|
|
m_Duration = msec;
|
|
m_TimeLine->setDuration(msec);
|
|
}
|
|
|
|
double TimeLine::value() const
|
|
{
|
|
Q_ASSERT( m_Duration != 0 );
|
|
return valueForTime(m_Time);
|
|
}
|
|
|
|
double TimeLine::valueForTime(const int msec) const
|
|
{
|
|
Q_ASSERT( m_Duration != 0 );
|
|
// Catch non QTimeLine CurveShapes here, (but there are none right now)
|
|
|
|
|
|
// else use QTimeLine ...
|
|
return m_TimeLine->valueForTime(msec);
|
|
}
|
|
|
|
void TimeLine::addTime(const int msec)
|
|
{
|
|
Q_ASSERT( m_Duration != 0 );
|
|
m_Time = qMin(m_Duration, m_Time + msec);
|
|
m_Progress = (double)m_Time / m_Duration;
|
|
}
|
|
|
|
void TimeLine::removeTime(const int msec)
|
|
{
|
|
Q_ASSERT( m_Duration != 0 );
|
|
m_Time = qMax(0, m_Time - msec);
|
|
m_Progress = (double)m_Time / m_Duration;
|
|
}
|
|
|
|
void TimeLine::setProgress(const double progress)
|
|
{
|
|
Q_ASSERT( m_Duration != 0 );
|
|
m_Progress = progress;
|
|
m_Time = qRound(m_Duration * progress);
|
|
}
|
|
|
|
double TimeLine::progress() const
|
|
{
|
|
Q_ASSERT( m_Duration != 0 );
|
|
return m_Progress;
|
|
}
|
|
|
|
int TimeLine::time() const
|
|
{
|
|
Q_ASSERT( m_Duration != 0 );
|
|
return m_Time;
|
|
}
|
|
|
|
void TimeLine::addProgress(const double progress)
|
|
{
|
|
Q_ASSERT( m_Duration != 0 );
|
|
m_Progress += progress;
|
|
m_Time = (int)(m_Duration * m_Progress);
|
|
}
|
|
|
|
void TimeLine::setCurveShape(CurveShape curveShape)
|
|
{
|
|
switch (curveShape)
|
|
{
|
|
case EaseInCurve:
|
|
m_TimeLine->setCurveShape(QTimeLine::EaseInCurve);
|
|
break;
|
|
case EaseOutCurve:
|
|
m_TimeLine->setCurveShape(QTimeLine::EaseOutCurve);
|
|
break;
|
|
case EaseInOutCurve:
|
|
m_TimeLine->setCurveShape(QTimeLine::EaseInOutCurve);
|
|
break;
|
|
case LinearCurve:
|
|
m_TimeLine->setCurveShape(QTimeLine::LinearCurve);
|
|
break;
|
|
case SineCurve:
|
|
m_TimeLine->setCurveShape(QTimeLine::SineCurve);
|
|
break;
|
|
}
|
|
m_CurveShape = curveShape;
|
|
}
|
|
|
|
/***************************************************************
|
|
WindowMotionManager
|
|
***************************************************************/
|
|
|
|
WindowMotionManager::WindowMotionManager( bool useGlobalAnimationModifier )
|
|
: m_useGlobalAnimationModifier( useGlobalAnimationModifier )
|
|
, m_movingWindows( 0 )
|
|
{ // TODO: Allow developer to modify motion attributes
|
|
} // TODO: What happens when the window moves by an external force?
|
|
|
|
WindowMotionManager::~WindowMotionManager()
|
|
{
|
|
}
|
|
|
|
void WindowMotionManager::manage( EffectWindow *w )
|
|
{
|
|
if( m_managedWindows.contains( w ))
|
|
return;
|
|
|
|
double strength = 0.9;
|
|
double decay = 0.75;
|
|
if( m_useGlobalAnimationModifier )
|
|
{
|
|
if( effects->animationTimeFactor() ) // If == 0 we just skip the calculation
|
|
strength = 0.9 / effects->animationTimeFactor();
|
|
decay = effects->animationTimeFactor() / ( effects->animationTimeFactor() + 0.3333333 );
|
|
}
|
|
|
|
m_managedWindows[ w ] = WindowMotion();
|
|
m_managedWindows[ w ].translation.setStrengthDecay( strength, decay );
|
|
m_managedWindows[ w ].scale.setStrengthDecay( strength, decay / 2.0 );
|
|
|
|
m_managedWindows[ w ].translation.setValue( w->pos() );
|
|
m_managedWindows[ w ].scale.setValue( QPointF( 1.0, 1.0 ));
|
|
}
|
|
|
|
void WindowMotionManager::unmanage( EffectWindow *w )
|
|
{
|
|
if( !m_managedWindows.contains( w ))
|
|
return;
|
|
|
|
QPointF diffT = m_managedWindows[ w ].translation.distance();
|
|
QPointF diffS = m_managedWindows[ w ].scale.distance();
|
|
if( diffT.x() != 0.0 || diffT.y() != 0.0 || diffS.x() != 0.0 || diffS.y() != 0.0 )
|
|
m_movingWindows--; // Window was moving
|
|
|
|
m_managedWindows.remove( w );
|
|
}
|
|
|
|
void WindowMotionManager::unmanageAll()
|
|
{
|
|
m_managedWindows.clear();
|
|
m_movingWindows = 0;
|
|
}
|
|
|
|
void WindowMotionManager::calculate( int time )
|
|
{
|
|
if( !effects->animationTimeFactor() )
|
|
{ // Just skip it completely if the user wants no animation
|
|
m_movingWindows = 0;
|
|
QHash<EffectWindow*, WindowMotion>::iterator it = m_managedWindows.begin();
|
|
for(; it != m_managedWindows.end(); it++ )
|
|
{
|
|
WindowMotion *motion = &it.value();
|
|
motion->translation.finish();
|
|
motion->scale.finish();
|
|
}
|
|
}
|
|
|
|
QHash<EffectWindow*, WindowMotion>::iterator it = m_managedWindows.begin();
|
|
for(; it != m_managedWindows.end(); it++ )
|
|
{
|
|
WindowMotion *motion = &it.value();
|
|
bool stopped = false;
|
|
|
|
// TODO: What happens when distance() == 0 but we are still moving fast?
|
|
// TODO: Motion needs to be calculated from the window's center
|
|
|
|
QPointF diffT = motion->translation.distance();
|
|
if( diffT != QPoint( 0.0, 0.0 ))
|
|
{ // Still moving
|
|
motion->translation.calculate( time );
|
|
diffT = motion->translation.distance();
|
|
if( qAbs( diffT.x() ) < 0.5 && qAbs( motion->translation.velocity().x() ) < 0.2 &&
|
|
qAbs( diffT.y() ) < 0.5 && qAbs( motion->translation.velocity().y() ) < 0.2 )
|
|
{ // Hide tiny oscillations
|
|
motion->translation.finish();
|
|
diffT = QPoint( 0.0, 0.0 );
|
|
stopped = true;
|
|
}
|
|
}
|
|
|
|
QPointF diffS = motion->scale.distance();
|
|
if( diffS != QPoint( 0.0, 0.0 ))
|
|
{ // Still scaling
|
|
motion->scale.calculate( time );
|
|
diffS = motion->scale.distance();
|
|
if( qAbs( diffS.x() ) < 0.002 && qAbs( motion->scale.velocity().x() ) < 0.05 &&
|
|
qAbs( diffS.y() ) < 0.002 && qAbs( motion->scale.velocity().y() ) < 0.05 )
|
|
{ // Hide tiny oscillations
|
|
motion->scale.finish();
|
|
diffS = QPoint( 0.0, 0.0 );
|
|
stopped = true;
|
|
}
|
|
}
|
|
|
|
// We just finished this window's motion
|
|
if( stopped && diffT == QPoint( 0.0, 0.0 ) && diffS == QPoint( 0.0, 0.0 ))
|
|
m_movingWindows--;
|
|
}
|
|
}
|
|
|
|
void WindowMotionManager::reset()
|
|
{
|
|
if( !m_managedWindows.count() )
|
|
return;
|
|
|
|
EffectWindowList windows = m_managedWindows.keys();
|
|
|
|
for( int i = 0; i < windows.size(); i++ )
|
|
{
|
|
EffectWindow *w = windows.at( i );
|
|
m_managedWindows[ w ].translation.setTarget( w->pos() );
|
|
m_managedWindows[ w ].translation.finish();
|
|
m_managedWindows[ w ].scale.setTarget( QPointF( 1.0, 1.0 ));
|
|
m_managedWindows[ w ].scale.finish();
|
|
}
|
|
}
|
|
|
|
void WindowMotionManager::reset( EffectWindow *w )
|
|
{
|
|
if( !m_managedWindows.contains( w ))
|
|
return;
|
|
|
|
m_managedWindows[ w ].translation.setTarget( w->pos() );
|
|
m_managedWindows[ w ].translation.finish();
|
|
m_managedWindows[ w ].scale.setTarget( QPointF( 1.0, 1.0 ));
|
|
m_managedWindows[ w ].scale.finish();
|
|
}
|
|
|
|
void WindowMotionManager::apply( EffectWindow *w, WindowPaintData &data )
|
|
{
|
|
if( !m_managedWindows.contains( w ))
|
|
return;
|
|
|
|
// TODO: Take into account existing scale so that we can work with multiple managers (E.g. Present windows + grid)
|
|
data.xTranslate += m_managedWindows[ w ].translation.value().x() - w->x();
|
|
data.yTranslate += m_managedWindows[ w ].translation.value().y() - w->y();
|
|
data.xScale *= m_managedWindows[ w ].scale.value().x();
|
|
data.yScale *= m_managedWindows[ w ].scale.value().y();
|
|
}
|
|
|
|
void WindowMotionManager::moveWindow( EffectWindow *w, QPoint target, double scale, double yScale )
|
|
{
|
|
if( !m_managedWindows.contains( w ))
|
|
abort(); // Notify the effect author that they did something wrong
|
|
|
|
if( yScale == 0.0 )
|
|
yScale = scale;
|
|
QPointF scalePoint( scale, yScale );
|
|
|
|
if( m_managedWindows[ w ].translation.value() == target &&
|
|
m_managedWindows[ w ].scale.value() == scalePoint )
|
|
return; // Window already at that position
|
|
|
|
m_managedWindows[ w ].translation.setTarget( target );
|
|
m_managedWindows[ w ].scale.setTarget( scalePoint );
|
|
|
|
if( m_managedWindows[ w ].translation.velocity() == QPointF( 0.0, 0.0 ) &&
|
|
m_managedWindows[ w ].scale.velocity() == QPointF( 0.0, 0.0 ))
|
|
m_movingWindows++;
|
|
}
|
|
|
|
QRectF WindowMotionManager::transformedGeometry( EffectWindow *w ) const
|
|
{
|
|
QRectF geometry( w->geometry() );
|
|
|
|
// TODO: Take into account existing scale so that we can work with multiple managers (E.g. Present windows + grid)
|
|
geometry.moveTo( m_managedWindows[ w ].translation.value() );
|
|
geometry.setWidth( geometry.width() * m_managedWindows[ w ].scale.value().x() );
|
|
geometry.setHeight( geometry.height() * m_managedWindows[ w ].scale.value().y() );
|
|
|
|
return geometry;
|
|
}
|
|
|
|
EffectWindow* WindowMotionManager::windowAtPoint( QPoint point, bool useStackingOrder ) const
|
|
{
|
|
// TODO: Stacking order uses EffectsHandler::stackingOrder() then filters by m_managedWindows
|
|
EffectWindowList windows = m_managedWindows.keys();
|
|
|
|
for( int i = 0; i < windows.size(); i++ )
|
|
if( transformedGeometry( windows.at( i )).contains( point ))
|
|
return windows.at( i );
|
|
|
|
return NULL;
|
|
}
|
|
|
|
} // namespace
|