643 lines
20 KiB
C++
643 lines
20 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2007 Philip Falkner <philip.falkner@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#include "boxswitch.h"
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#include <kwinconfig.h>
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#include <QCursor>
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#include <QMouseEvent>
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#include <QPainter>
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#include <QSize>
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#include <kapplication.h>
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#include <kcolorscheme.h>
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#ifdef KWIN_HAVE_OPENGL_COMPOSITING
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#include <GL/gl.h>
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#endif
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namespace KWin
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{
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KWIN_EFFECT( boxswitch, BoxSwitchEffect )
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BoxSwitchEffect::BoxSwitchEffect()
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: mActivated( 0 )
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, mMode( 0 )
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, selected_window( 0 )
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, painting_desktop( 0 )
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{
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frame_margin = 10;
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highlight_margin = 5;
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color_frame = KColorScheme( QPalette::Active, KColorScheme::Window ).background().color();
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color_frame.setAlphaF( 0.9 );
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color_highlight = KColorScheme( QPalette::Active, KColorScheme::Selection ).background().color();
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color_highlight.setAlphaF( 0.9 );
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color_text = KColorScheme( QPalette::Active, KColorScheme::Window ).foreground().color();
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}
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BoxSwitchEffect::~BoxSwitchEffect()
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{
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}
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void BoxSwitchEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
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{
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if( mActivated )
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{
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if( mMode == TabBoxWindowsMode )
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{
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if( windows.contains( w ))
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{
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if( w != selected_window )
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data.setTranslucent();
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w->enablePainting( EffectWindow::PAINT_DISABLED_BY_MINIMIZE );
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}
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}
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else
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{
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if( painting_desktop )
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{
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if( w->isOnDesktop( painting_desktop ))
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w->enablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP );
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else
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w->disablePainting( EffectWindow::PAINT_DISABLED_BY_DESKTOP );
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}
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}
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}
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effects->prePaintWindow( w, data, time );
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}
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void BoxSwitchEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
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{
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effects->paintScreen( mask, region, data );
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if( mActivated )
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{
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if( mMode == TabBoxWindowsMode )
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{
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paintFrame();
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foreach( EffectWindow* w, windows.keys())
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{
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if( w == selected_window )
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{
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paintHighlight( windows[ w ]->area );
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}
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paintWindowThumbnail( w );
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paintWindowIcon( w );
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}
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paintText( selected_window->caption() );
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}
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else
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{
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if( !painting_desktop )
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{
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paintFrame();
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foreach( painting_desktop, desktops.keys())
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{
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if( painting_desktop == selected_desktop )
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{
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paintHighlight( desktops[ painting_desktop ]->area ); //effects->desktopName( painting_desktop )
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}
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paintDesktopThumbnail( painting_desktop );
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}
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paintText( effects->desktopName( selected_desktop ));
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painting_desktop = 0;
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}
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}
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}
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}
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void BoxSwitchEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
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{
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if( mActivated )
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{
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if( mMode == TabBoxWindowsMode )
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{
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if( windows.contains( w ) && w != selected_window )
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{
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data.opacity *= 0.2;
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}
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}
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}
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effects->paintWindow( w, mask, region, data );
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}
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void BoxSwitchEffect::windowInputMouseEvent( Window w, QEvent* e )
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{
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assert( w == mInput );
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if( e->type() != QEvent::MouseButtonPress )
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return;
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QPoint pos = static_cast< QMouseEvent* >( e )->pos();
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pos += frame_area.topLeft();
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// determine which item was clicked
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if( mMode == TabBoxWindowsMode )
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{
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foreach( EffectWindow* w, windows.keys())
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{
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if( windows[ w ]->clickable.contains( pos ))
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{
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effects->setTabBoxWindow( w );
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}
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}
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}
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else
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{
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foreach( int i, desktops.keys())
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{
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if( desktops[ i ]->clickable.contains( pos ))
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{
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effects->setTabBoxDesktop( i );
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}
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}
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}
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}
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void BoxSwitchEffect::windowDamaged( EffectWindow* w, const QRect& damage )
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{
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if( mActivated )
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{
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if( mMode == TabBoxWindowsMode )
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{
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if( windows.contains( w ))
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{
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effects->addRepaint( windows[ w ]->area );
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}
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}
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else
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{
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if( w->isOnAllDesktops())
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{
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foreach( ItemInfo* info, desktops )
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effects->addRepaint( info->area );
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}
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else
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{
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effects->addRepaint( desktops[ w->desktop() ]->area );
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}
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}
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}
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}
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void BoxSwitchEffect::windowGeometryShapeChanged( EffectWindow* w, const QRect& old )
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{
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if( mActivated )
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{
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if( mMode == TabBoxWindowsMode )
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{
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if( windows.contains( w ) && w->size() != old.size())
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{
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effects->addRepaint( windows[ w ]->area );
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}
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}
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else
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{
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if( w->isOnAllDesktops())
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{
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foreach( ItemInfo* info, desktops )
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effects->addRepaint( info->area );
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}
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else
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{
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effects->addRepaint( desktops[ w->desktop() ]->area );
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}
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}
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}
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}
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void BoxSwitchEffect::tabBoxAdded( int mode )
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{
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if( !mActivated )
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{
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if( mode == TabBoxWindowsMode )
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{
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if( effects->currentTabBoxWindowList().count() > 0 )
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{
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mMode = mode;
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effects->refTabBox();
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setActive();
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}
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}
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else
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{ // DesktopMode
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if( effects->currentTabBoxDesktopList().count() > 0 )
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{
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mMode = mode;
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painting_desktop = 0;
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effects->refTabBox();
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setActive();
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}
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}
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}
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}
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void BoxSwitchEffect::tabBoxClosed()
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{
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if( mActivated )
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setInactive();
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}
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void BoxSwitchEffect::tabBoxUpdated()
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{
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if( mActivated )
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{
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if( mMode == TabBoxWindowsMode )
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{
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if( selected_window != NULL )
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{
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if( windows.contains( selected_window ))
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effects->addRepaint( windows.value( selected_window )->area );
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selected_window->addRepaintFull();
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}
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setSelectedWindow( effects->currentTabBoxWindow());
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if( windows.contains( selected_window ))
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effects->addRepaint( windows.value( selected_window )->area );
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selected_window->addRepaintFull();
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effects->addRepaint( text_area );
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if( effects->currentTabBoxWindowList() == original_windows )
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return;
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original_windows = effects->currentTabBoxWindowList();
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}
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else
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{ // DesktopMode
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if( desktops.contains( selected_desktop ))
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effects->addRepaint( desktops.value( selected_desktop )->area );
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selected_desktop = effects->currentTabBoxDesktop();
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if( desktops.contains( selected_desktop ))
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effects->addRepaint( desktops.value( selected_desktop )->area );
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effects->addRepaint( text_area );
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if( effects->currentTabBoxDesktopList() == original_desktops )
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return;
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original_desktops = effects->currentTabBoxDesktopList();
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}
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effects->addRepaint( frame_area );
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calculateFrameSize();
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calculateItemSizes();
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moveResizeInputWindow( frame_area.x(), frame_area.y(), frame_area.width(), frame_area.height());
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effects->addRepaint( frame_area );
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}
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}
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void BoxSwitchEffect::setActive()
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{
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mActivated = true;
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if( mMode == TabBoxWindowsMode )
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{
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original_windows = effects->currentTabBoxWindowList();
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setSelectedWindow( effects->currentTabBoxWindow());
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}
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else
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{
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original_desktops = effects->currentTabBoxDesktopList();
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selected_desktop = effects->currentTabBoxDesktop();
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}
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calculateFrameSize();
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calculateItemSizes();
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mInput = effects->createInputWindow( this, frame_area.x(), frame_area.y(),
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frame_area.width(), frame_area.height(), Qt::ArrowCursor );
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effects->addRepaint( frame_area );
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if( mMode == TabBoxWindowsMode )
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{
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foreach( EffectWindow* w, windows.keys())
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{
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w->addRepaintFull();
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}
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}
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}
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void BoxSwitchEffect::setInactive()
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{
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mActivated = false;
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effects->unrefTabBox();
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if( mInput != None )
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{
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effects->destroyInputWindow( mInput );
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mInput = None;
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}
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if( mMode == TabBoxWindowsMode )
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{
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foreach( EffectWindow* w, windows.keys())
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{
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if( w != selected_window )
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w->addRepaintFull();
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}
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qDeleteAll( windows );
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windows.clear();
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setSelectedWindow( 0 );
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}
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else
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{ // DesktopMode
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qDeleteAll( windows );
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desktops.clear();
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}
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effects->addRepaint( frame_area );
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frame_area = QRect();
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}
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void BoxSwitchEffect::setSelectedWindow( EffectWindow* w )
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{
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if( selected_window )
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{
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effects->setElevatedWindow( selected_window, false );
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}
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selected_window = w;
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if( w )
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{
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effects->setElevatedWindow( selected_window, true );
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}
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}
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void BoxSwitchEffect::windowClosed( EffectWindow* w )
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{
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if( w == selected_window )
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{
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setSelectedWindow( 0 );
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}
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}
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void BoxSwitchEffect::moveResizeInputWindow( int x, int y, int width, int height )
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{
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XMoveWindow( display(), mInput, x, y );
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XResizeWindow( display(), mInput, width, height );
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}
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void BoxSwitchEffect::calculateFrameSize()
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{
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int itemcount;
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if( mMode == TabBoxWindowsMode )
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{
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itemcount = original_windows.count();
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item_max_size.setWidth( 200 );
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item_max_size.setHeight( 200 );
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}
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else
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{
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itemcount = original_desktops.count();
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item_max_size.setWidth( 200 );
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item_max_size.setHeight( 200 );
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}
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// How much height to reserve for a one-line text label
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text_font.setBold( true );
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text_font.setPointSize( 12 );
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text_area.setHeight( QFontMetrics( text_font ).height() * 1.2 );
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// Separator space between items and text
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const int separator_height = 6;
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// Shrink the size until all windows/desktops can fit onscreen
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frame_area.setWidth( frame_margin * 2 + itemcount * item_max_size.width());
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QRect screenr = effects->clientArea( PlacementArea, effects->activeScreen(), effects->currentDesktop());
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while( frame_area.width() > screenr.width())
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{
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item_max_size /= 2;
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frame_area.setWidth( frame_margin * 2 + itemcount * item_max_size.width());
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}
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frame_area.setHeight( frame_margin * 2 + item_max_size.height() +
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separator_height + text_area.height());
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text_area.setWidth( frame_area.width() - frame_margin * 2 );
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frame_area.moveTo( screenr.x() + ( screenr.width() - frame_area.width()) / 2,
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screenr.y() + ( screenr.height() - frame_area.height()) / 2 );
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text_area.moveTo( frame_area.x() + frame_margin,
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frame_area.y() + frame_margin + item_max_size.height() + separator_height);
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}
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void BoxSwitchEffect::calculateItemSizes()
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{
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if( mMode == TabBoxWindowsMode )
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{
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windows.clear();
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for( int i = 0; i < original_windows.count(); i++ )
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{
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EffectWindow* w = original_windows.at( i );
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windows[ w ] = new ItemInfo();
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windows[ w ]->area = QRect( frame_area.x() + frame_margin
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+ i * item_max_size.width(),
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frame_area.y() + frame_margin,
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item_max_size.width(), item_max_size.height());
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windows[ w ]->clickable = windows[ w ]->area;
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}
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}
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else
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{
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desktops.clear();
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for( int i = 0; i < original_desktops.count(); i++ )
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{
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int it = original_desktops.at( i );
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desktops[ it ] = new ItemInfo();
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desktops[ it ]->area = QRect( frame_area.x() + frame_margin
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+ i * item_max_size.width(),
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frame_area.y() + frame_margin,
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item_max_size.width(), item_max_size.height());
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desktops[ it ]->clickable = desktops[ it ]->area;
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}
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}
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}
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void BoxSwitchEffect::paintFrame()
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{
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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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glPushAttrib( GL_CURRENT_BIT );
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glColor4f( color_frame.redF(), color_frame.greenF(), color_frame.blueF(), color_frame.alphaF());
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renderRoundBoxWithEdge( frame_area );
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glPopAttrib();
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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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Pixmap pixmap = XCreatePixmap( display(), rootWindow(),
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frame_area.width(), frame_area.height(), 32 );
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XRenderPicture pic( pixmap, 32 );
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XFreePixmap( display(), pixmap );
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XRenderColor col;
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col.alpha = int( color_frame.alphaF() * 0xffff );
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col.red = int( color_frame.redF() * color_frame.alphaF() * 0xffff );
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col.green = int( color_frame.greenF() * color_frame.alphaF() * 0xffff );
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col.blue = int( color_frame.blueF() * color_frame.alphaF() * 0xffff );
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XRenderFillRectangle( display(), PictOpSrc, pic, &col, 0, 0,
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frame_area.width(), frame_area.height());
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XRenderComposite( display(), color_frame.alphaF() != 1.0 ? PictOpOver : PictOpSrc,
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pic, None, effects->xrenderBufferPicture(),
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0, 0, 0, 0, frame_area.x(), frame_area.y(), frame_area.width(), frame_area.height());
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}
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#endif
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}
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void BoxSwitchEffect::paintHighlight( QRect area )
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{
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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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glPushAttrib( GL_CURRENT_BIT );
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glColor4f( color_highlight.redF(), color_highlight.greenF(), color_highlight.blueF(), color_highlight.alphaF());
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renderRoundBox( area, 6 );
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glPopAttrib();
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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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Pixmap pixmap = XCreatePixmap( display(), rootWindow(),
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area.width(), area.height(), 32 );
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XRenderPicture pic( pixmap, 32 );
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XFreePixmap( display(), pixmap );
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XRenderColor col;
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col.alpha = int( color_highlight.alphaF() * 0xffff );
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col.red = int( color_highlight.redF() * color_highlight.alphaF() * 0xffff );
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col.green = int( color_highlight.greenF() * color_highlight.alphaF() * 0xffff );
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col.blue = int( color_highlight.blueF() * color_highlight.alphaF() * 0xffff );
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XRenderFillRectangle( display(), PictOpSrc, pic, &col, 0, 0,
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area.width(), area.height());
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XRenderComposite( display(), color_highlight.alphaF() != 1.0 ? PictOpOver : PictOpSrc,
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pic, None, effects->xrenderBufferPicture(),
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0, 0, 0, 0, area.x(), area.y(), area.width(), area.height());
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}
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#endif
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}
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void BoxSwitchEffect::paintWindowThumbnail( EffectWindow* w )
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{
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if( !windows.contains( w ))
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return;
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WindowPaintData data( w );
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setPositionTransformations( data,
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windows[ w ]->thumbnail, w,
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windows[ w ]->area.adjusted( highlight_margin, highlight_margin, -highlight_margin, -highlight_margin ),
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Qt::KeepAspectRatio );
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effects->drawWindow( w,
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PAINT_WINDOW_OPAQUE | PAINT_WINDOW_TRANSFORMED,
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windows[ w ]->thumbnail, data );
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}
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void BoxSwitchEffect::paintDesktopThumbnail( int iDesktop )
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{
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if( !desktops.contains( iDesktop ))
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return;
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ScreenPaintData data;
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QRect region;
|
|
QRect r = desktops[ iDesktop ]->area.adjusted( highlight_margin, highlight_margin,
|
|
-highlight_margin, -highlight_margin );
|
|
QSize size = QSize( displayWidth(), displayHeight());
|
|
|
|
size.scale( r.size(), Qt::KeepAspectRatio );
|
|
data.xScale = size.width() / double( displayWidth());
|
|
data.yScale = size.height() / double( displayHeight());
|
|
int width = int( displayWidth() * data.xScale );
|
|
int height = int( displayHeight() * data.yScale );
|
|
int x = r.x() + ( r.width() - width ) / 2;
|
|
int y = r.y() + ( r.height() - height ) / 2;
|
|
region = QRect( x, y, width, height );
|
|
data.xTranslate = x;
|
|
data.yTranslate = y;
|
|
|
|
effects->paintScreen( PAINT_SCREEN_TRANSFORMED | PAINT_SCREEN_BACKGROUND_FIRST,
|
|
region, data );
|
|
}
|
|
|
|
void BoxSwitchEffect::paintWindowIcon( EffectWindow* w )
|
|
{
|
|
if( !windows.contains( w ))
|
|
return;
|
|
// Don't render null icons
|
|
if( w->icon().isNull() )
|
|
{
|
|
return;
|
|
}
|
|
|
|
if( windows[ w ]->icon.cacheKey() != w->icon().cacheKey())
|
|
{ // make sure windows[ w ]->icon is the right QPixmap, and rebind
|
|
windows[ w ]->icon = w->icon();
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( effects->compositingType() == OpenGLCompositing )
|
|
{
|
|
windows[ w ]->iconTexture.load( windows[ w ]->icon );
|
|
windows[ w ]->iconTexture.setFilter( GL_LINEAR );
|
|
}
|
|
#endif
|
|
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
|
|
if( effects->compositingType() == XRenderCompositing )
|
|
windows[ w ]->iconPicture = XRenderPicture( windows[ w ]->icon );
|
|
#endif
|
|
}
|
|
int width = windows[ w ]->icon.width();
|
|
int height = windows[ w ]->icon.height();
|
|
int x = windows[ w ]->area.x() + windows[ w ]->area.width() - width - highlight_margin;
|
|
int y = windows[ w ]->area.y() + windows[ w ]->area.height() - height - highlight_margin;
|
|
#ifdef KWIN_HAVE_OPENGL_COMPOSITING
|
|
if( effects->compositingType() == OpenGLCompositing )
|
|
{
|
|
glPushAttrib( GL_CURRENT_BIT | GL_ENABLE_BIT );
|
|
glEnable( GL_BLEND );
|
|
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
|
|
// Render some background
|
|
glColor4f( 0, 0, 0, 0.5 );
|
|
renderRoundBox( QRect( x-3, y-3, width+6, height+6 ), 3 );
|
|
// Render the icon
|
|
glColor4f( 1, 1, 1, 1 );
|
|
windows[ w ]->iconTexture.bind();
|
|
const float verts[ 4 * 2 ] =
|
|
{
|
|
x, y,
|
|
x, y + height,
|
|
x + width, y + height,
|
|
x + width, y
|
|
};
|
|
const float texcoords[ 4 * 2 ] =
|
|
{
|
|
0, 1,
|
|
0, 0,
|
|
1, 0,
|
|
1, 1
|
|
};
|
|
renderGLGeometry( 4, verts, texcoords );
|
|
windows[ w ]->iconTexture.unbind();
|
|
glPopAttrib();
|
|
}
|
|
#endif
|
|
#ifdef KWIN_HAVE_XRENDER_COMPOSITING
|
|
if( effects->compositingType() == XRenderCompositing )
|
|
{
|
|
XRenderComposite( display(),
|
|
windows[ w ]->icon.depth() == 32 ? PictOpOver : PictOpSrc,
|
|
windows[ w ]->iconPicture, None,
|
|
effects->xrenderBufferPicture(),
|
|
0, 0, 0, 0, x, y, width, height );
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void BoxSwitchEffect::paintText( const QString& text )
|
|
{
|
|
int maxwidth = text_area.width();
|
|
effects->paintText( text, text_area.center(), maxwidth, color_text, text_font );
|
|
}
|
|
|
|
} // namespace
|