7240bff8f1
of a point. This method should be preferred to bring up the actions menu from the menu button, since it makes it a bit harder to select a menu item involuntaryily in some corner case. svn path=/trunk/kdebase/kwin/; revision=317016
420 lines
10 KiB
C++
420 lines
10 KiB
C++
/*
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*
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* Copyright (c) 2003 Lubos Lunak <l.lunak@kde.org>
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*
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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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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "preview.h"
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#include <kapplication.h>
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#include <klocale.h>
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#include <kconfig.h>
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#include <kglobal.h>
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#include <qlabel.h>
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#include <qstyle.h>
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#include <kiconloader.h>
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#include <X11/Xlib.h>
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#include <X11/extensions/shape.h>
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#include <kdecoration_plugins_p.h>
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// FRAME the preview doesn't update to reflect the changes done in the kcm
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KDecorationPreview::KDecorationPreview( QWidget* parent, const char* name )
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: QWidget( parent, name )
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{
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options = new KDecorationPreviewOptions;
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bridge[Active] = new KDecorationPreviewBridge( this, true );
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bridge[Inactive] = new KDecorationPreviewBridge( this, false );
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deco[Active] = deco[Inactive] = NULL;
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no_preview = new QLabel( i18n( "No preview available.\n"
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"Most probably there\n"
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"was a problem loading the plugin." ), this );
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no_preview->setAlignment( AlignCenter );
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setMinimumSize( 100, 100 );
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no_preview->resize( size());
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}
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KDecorationPreview::~KDecorationPreview()
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{
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for ( int i = 0; i < NumWindows; i++ )
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{
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delete deco[i];
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delete bridge[i];
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}
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delete options;
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}
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bool KDecorationPreview::recreateDecoration( KDecorationPlugins* plugins )
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{
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for ( int i = 0; i < NumWindows; i++ )
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{
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delete deco[i]; // deletes also window
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deco[i] = plugins->createDecoration( bridge[i] );
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deco[i]->init();
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}
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if( deco[Active] == NULL || deco[Inactive] == NULL )
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{
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return false;
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}
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positionPreviews();
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deco[Inactive]->widget()->show();
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deco[Active]->widget()->show();
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return true;
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}
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void KDecorationPreview::enablePreview()
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{
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no_preview->hide();
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}
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void KDecorationPreview::disablePreview()
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{
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delete deco[Active];
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delete deco[Inactive];
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deco[Active] = deco[Inactive] = NULL;
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no_preview->show();
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}
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void KDecorationPreview::resizeEvent( QResizeEvent* e )
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{
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QWidget::resizeEvent( e );
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positionPreviews();
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}
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void KDecorationPreview::positionPreviews()
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{
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int titleBarHeight, leftBorder, rightBorder, xoffset,
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dummy1, dummy2, dummy3;
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QRect geometry;
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QSize size;
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no_preview->resize( this->size() );
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if ( !deco[Active] || !deco[Inactive] )
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return;
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// don't have more than one reference to the same dummy variable in one borders() call.
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deco[Active]->borders( dummy1, dummy2, titleBarHeight, dummy3 );
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deco[Inactive]->borders( leftBorder, rightBorder, dummy1, dummy2 );
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titleBarHeight = kMin( int( titleBarHeight * .9 ), 30 );
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xoffset = kMin( kMax( 10, QApplication::reverseLayout()
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? leftBorder : rightBorder ), 30 );
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// Resize the active window
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size = QSize( width() - xoffset, height() - titleBarHeight )
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.expandedTo( deco[Active]->minimumSize() );
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geometry = QRect( QPoint( 0, titleBarHeight ), size );
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deco[Active]->widget()->setGeometry( QStyle::visualRect( geometry, this ) );
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// Resize the inactive window
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size = QSize( width() - xoffset, height() - titleBarHeight )
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.expandedTo( deco[Inactive]->minimumSize() );
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geometry = QRect( QPoint( xoffset, 0 ), size );
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deco[Inactive]->widget()->setGeometry( QStyle::visualRect( geometry, this ) );
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}
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void KDecorationPreview::setPreviewMask( const QRegion& reg, int mode, bool active )
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{
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QWidget *widget = active ? deco[Active]->widget() : deco[Inactive]->widget();
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// FRAME duped from client.cpp
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if( mode == Unsorted )
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{
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XShapeCombineRegion( qt_xdisplay(), widget->winId(), ShapeBounding, 0, 0,
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reg.handle(), ShapeSet );
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}
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else
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{
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QMemArray< QRect > rects = reg.rects();
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XRectangle* xrects = new XRectangle[ rects.count() ];
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for( unsigned int i = 0;
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i < rects.count();
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++i )
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{
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xrects[ i ].x = rects[ i ].x();
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xrects[ i ].y = rects[ i ].y();
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xrects[ i ].width = rects[ i ].width();
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xrects[ i ].height = rects[ i ].height();
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}
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XShapeCombineRectangles( qt_xdisplay(), widget->winId(), ShapeBounding, 0, 0,
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xrects, rects.count(), ShapeSet, mode );
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delete[] xrects;
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}
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if( active )
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mask = reg; // keep shape of the active window for unobscuredRegion()
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}
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QRect KDecorationPreview::windowGeometry( bool active ) const
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{
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QWidget *widget = active ? deco[Active]->widget() : deco[Inactive]->widget();
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return widget->geometry();
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}
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QRegion KDecorationPreview::unobscuredRegion( bool active, const QRegion& r ) const
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{
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if( active ) // this one is not obscured
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return r;
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else
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{
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// copied from KWin core's code
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QRegion ret = r;
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QRegion r2 = mask;
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if( r2.isEmpty())
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r2 = QRegion( windowGeometry( true ));
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r2.translate( windowGeometry( true ).x() - windowGeometry( false ).x(),
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windowGeometry( true ).y() - windowGeometry( false ).y());
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ret -= r2;
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return ret;
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}
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}
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KDecorationPreviewBridge::KDecorationPreviewBridge( KDecorationPreview* p, bool a )
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: preview( p ), active( a )
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{
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}
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QWidget* KDecorationPreviewBridge::initialParentWidget() const
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{
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return preview;
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}
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Qt::WFlags KDecorationPreviewBridge::initialWFlags() const
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{
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return 0;
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}
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bool KDecorationPreviewBridge::isActive() const
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{
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return active;
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}
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bool KDecorationPreviewBridge::isCloseable() const
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{
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return true;
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}
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bool KDecorationPreviewBridge::isMaximizable() const
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{
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return true;
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}
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KDecoration::MaximizeMode KDecorationPreviewBridge::maximizeMode() const
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{
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return KDecoration::MaximizeRestore;
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}
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bool KDecorationPreviewBridge::isMinimizable() const
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{
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return true;
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}
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bool KDecorationPreviewBridge::providesContextHelp() const
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{
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return true;
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}
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int KDecorationPreviewBridge::desktop() const
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{
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return 1;
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}
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bool KDecorationPreviewBridge::isModal() const
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{
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return false;
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}
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bool KDecorationPreviewBridge::isShadeable() const
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{
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return true;
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}
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bool KDecorationPreviewBridge::isShade() const
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{
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return false;
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}
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bool KDecorationPreviewBridge::isSetShade() const
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{
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return false;
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}
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bool KDecorationPreviewBridge::keepAbove() const
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{
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return false;
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}
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bool KDecorationPreviewBridge::keepBelow() const
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{
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return false;
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}
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bool KDecorationPreviewBridge::isMovable() const
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{
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return true;
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}
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bool KDecorationPreviewBridge::isResizable() const
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{
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return true;
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}
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NET::WindowType KDecorationPreviewBridge::windowType( unsigned long ) const
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{
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return NET::Normal;
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}
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QIconSet KDecorationPreviewBridge::icon() const
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{
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return SmallIconSet( "xapp" );
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}
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QString KDecorationPreviewBridge::caption() const
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{
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return active ? i18n( "Active window" ) : i18n( "Inactive window" );
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}
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void KDecorationPreviewBridge::processMousePressEvent( QMouseEvent* )
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{
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}
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void KDecorationPreviewBridge::showWindowMenu( const QRect &)
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{
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}
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void KDecorationPreviewBridge::showWindowMenu( QPoint )
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{
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}
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void KDecorationPreviewBridge::performWindowOperation( WindowOperation )
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{
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}
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void KDecorationPreviewBridge::setMask( const QRegion& reg, int mode )
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{
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preview->setPreviewMask( reg, mode, active );
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}
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bool KDecorationPreviewBridge::isPreview() const
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{
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return true;
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}
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QRect KDecorationPreviewBridge::geometry() const
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{
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return preview->windowGeometry( active );
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}
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QRect KDecorationPreviewBridge::iconGeometry() const
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{
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return QRect();
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}
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QRegion KDecorationPreviewBridge::unobscuredRegion( const QRegion& r ) const
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{
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return preview->unobscuredRegion( active, r );
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}
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QWidget* KDecorationPreviewBridge::workspaceWidget() const
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{
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return preview;
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}
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void KDecorationPreviewBridge::closeWindow()
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{
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}
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void KDecorationPreviewBridge::maximize( MaximizeMode )
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{
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}
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void KDecorationPreviewBridge::minimize()
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{
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}
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void KDecorationPreviewBridge::showContextHelp()
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{
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}
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void KDecorationPreviewBridge::setDesktop( int )
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{
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}
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void KDecorationPreviewBridge::titlebarDblClickOperation()
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{
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}
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void KDecorationPreviewBridge::setShade( bool )
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{
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}
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void KDecorationPreviewBridge::setKeepAbove( bool )
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{
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}
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void KDecorationPreviewBridge::setKeepBelow( bool )
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{
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}
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int KDecorationPreviewBridge::currentDesktop() const
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{
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return 1;
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}
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void KDecorationPreviewBridge::helperShowHide( bool )
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{
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}
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void KDecorationPreviewBridge::grabXServer( bool )
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{
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}
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KDecorationPreviewOptions::KDecorationPreviewOptions()
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{
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d = new KDecorationOptionsPrivate;
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d->defaultKWinSettings();
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updateSettings();
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}
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KDecorationPreviewOptions::~KDecorationPreviewOptions()
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{
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delete d;
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}
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unsigned long KDecorationPreviewOptions::updateSettings()
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{
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KConfig cfg( "kwinrc", true );
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unsigned long changed = 0;
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changed |= d->updateKWinSettings( &cfg );
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return changed;
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}
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bool KDecorationPreviewPlugins::provides( Requirement )
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{
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return false;
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}
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#include "preview.moc"
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