681 lines
19 KiB
C++
681 lines
19 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 <QtDBus/QtDBus>
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#include <QVariant>
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#include <QList>
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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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#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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, xTranslate( 0 )
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, yTranslate( 0 )
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, saturation( 1 )
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, brightness( 1 )
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, shader( 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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, xTranslate( 0 )
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, yTranslate( 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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//****************************************
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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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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 QPoint& center, int maxwidth,
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const QColor& color, const QFont& font )
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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, maxwidth );
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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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QRect area( center.x() - textrect.width() / 2, center.y() - textrect.height() / 2,
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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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const float verts[ 4 * 2 ] =
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{
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area.x(), area.y(),
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area.x(), area.y() + area.height(),
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area.x() + area.width(), area.y() + area.height(),
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area.x() + area.width(), area.y()
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};
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const float texcoords[ 4 * 2 ] =
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{
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0, textPixmap.height(),
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0, 0,
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textPixmap.width(), 0,
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textPixmap.width(), textPixmap.height()
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};
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renderGLGeometry( 4, verts, texcoords );
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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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static XRenderPictFormat* alphaFormat = 0;
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if( !alphaFormat)
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alphaFormat = XRenderFindStandardFormat( display(), PictStandardARGB32 );
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Picture textPicture;
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textPicture = XRenderCreatePicture( display(), textPixmap.handle(), alphaFormat, 0, NULL );
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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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XRenderFreePicture( display(), textPicture );
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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 QPoint& center, int maxwidth,
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const QColor& color, const QColor& bgcolor, const QFont& font )
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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, maxwidth );
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QRect textrect = fm.boundingRect( painttext );
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// Area covered by text
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QRect area( center.x() - textrect.width() / 2, center.y() - textrect.height() / 2,
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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, center, maxwidth, color, font );
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}
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#endif
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// TODO: render at least a simple background rect in XRender mode
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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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{
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// smoothing is needed if the width or height of the quad does not match the original size
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double width = verts[ 1 ].ox - verts[ 0 ].ox;
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double height = verts[ 2 ].oy - verts[ 1 ].oy;
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return( verts[ 1 ].px - verts[ 0 ].px != width || verts[ 2 ].px - verts[ 3 ].px != width
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|| verts[ 2 ].py - verts[ 1 ].py != height || verts[ 3 ].py - verts[ 0 ].py != height );
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}
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/***************************************************************
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WindowQuadList
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***************************************************************/
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WindowQuadList WindowQuadList::splitAtX( double x ) const
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{
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WindowQuadList ret;
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foreach( WindowQuad quad, *this )
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{
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#ifndef NDEBUG
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if( quad.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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bool wholeleft = true;
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bool wholeright = true;
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for( int i = 0;
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i < 4;
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++i )
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{
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if( quad[ i ].x() < x )
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wholeright = false;
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if( quad[ i ].x() >= x )
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wholeleft = false;
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}
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if( wholeleft || wholeright ) // is whole in one split part
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{
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ret.append( quad );
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continue;
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}
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ret.append( quad.makeSubQuad( quad.left(), quad.top(), x, quad.bottom()));
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ret.append( quad.makeSubQuad( x, quad.top(), quad.right(), quad.bottom()));
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}
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return ret;
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}
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WindowQuadList WindowQuadList::splitAtY( double y ) const
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{
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WindowQuadList ret;
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foreach( WindowQuad quad, *this )
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{
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#ifndef NDEBUG
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if( quad.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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|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
} // namespace
|