a common view class
svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=736997
This commit is contained in:
Aaron J. Seigo
parent
3b6b25445d
commit
030ca6d6d2
@ -42,6 +42,7 @@ set(plasma_LIB_SRCS
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svg.cpp
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theme.cpp
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uiloader.cpp
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view.cpp
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widgets/boxlayout.cpp
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widgets/borderlayout.cpp
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widgets/checkbox.cpp
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@ -118,7 +119,8 @@ set(plasma_LIB_INCLUDES
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shadowitem_p.h
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svg.h
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theme.h
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uiloader.h)
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uiloader.h
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view.h)
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if(QT_QTOPENGL_FOUND AND OPENGL_FOUND)
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set(plasma_LIB_INCLUDES
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@ -157,7 +159,9 @@ install(FILES
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install(FILES
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includes/AbstractRunner
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includes/Applet
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includes/AppletBrowser
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includes/ConfigXml
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includes/Containment
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includes/Phase
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includes/Plasma
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includes/Package
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@ -170,8 +174,7 @@ install(FILES
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includes/Svg
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includes/UiLoader
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includes/PackageMetadata
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includes/Containment
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includes/AppletBrowser
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includes/View
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DESTINATION ${INCLUDE_INSTALL_DIR}/KDE/Plasma)
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if(QT_QTOPENGL_FOUND AND OPENGL_FOUND)
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126
view.cpp
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126
view.cpp
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@ -0,0 +1,126 @@
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/*
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* Copyright 2007 Aaron Seigo <aseigo@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 Library General Public License as
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* published by the Free Software Foundation; either version 2, 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 Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "view.h"
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#include "corona.h"
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#include "containment.h"
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using namespace Plasma;
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namespace Plasma
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{
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class View::Private
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{
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public:
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Private()
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: drawWallpaper(true),
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screen(-1),
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containment(0)
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{
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}
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~Private()
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{
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}
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bool drawWallpaper;
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int screen;
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Plasma::Containment *containment;
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};
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View::View(int screen, Corona *corona, QWidget *parent)
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: QGraphicsView(parent),
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d(new Private)
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{
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setFrameShape(QFrame::NoFrame);
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setAutoFillBackground(true);
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setDragMode(QGraphicsView::RubberBandDrag);
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//setCacheMode(QGraphicsView::CacheBackground);
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setInteractive(true);
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setAcceptDrops(true);
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setScene(corona);
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setScreen(screen);
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}
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View::View(Containment *containment, QWidget *parent)
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: QGraphicsView(parent),
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d(new Private)
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{
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d->containment = containment;
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setScene(containment->scene());
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}
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View::~View()
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{
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delete d;
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}
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void View::setScreen(int screen)
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{
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if (screen > -1) {
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Corona *corona = qobject_cast<Corona*>(scene());
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if (!corona) {
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return;
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}
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setContainment(corona->containmentForScreen(screen));
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} else {
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// reseting the screen who knows what.
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d->screen = screen;
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}
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}
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int View::screen() const
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{
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return d->screen;
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}
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void View::setContainment(Containment *containment)
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{
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disconnect(d->containment, SIGNAL(geometryChanged()), this, SLOT(updateSceneRect()));
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d->containment = containment;
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d->screen = containment->screen();
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setSceneRect(containment->geometry());
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connect(containment, SIGNAL(geometryChanged()), this, SLOT(updateSceneRect()));
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}
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Containment* View::containment() const
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{
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return d->containment;
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}
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void View::setDrawWallpaper(bool draw)
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{
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d->drawWallpaper = draw;
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}
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bool View::drawWallpaper() const
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{
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return d->drawWallpaper;
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}
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} // namespace Plasma
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#include "view.moc"
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93
view.h
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93
view.h
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@ -0,0 +1,93 @@
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/*
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* Copyright 2007 Aaron Seigo <aseigo@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 Library General Public License as
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* published by the Free Software Foundation; either version 2, 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 Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef VIEW_H
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#define VIEW_H
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#include <QtGui/QGraphicsView>
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#include <plasma/plasma_export.h>
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namespace Plasma
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{
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class Containment;
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class Corona;
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/**
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* @short A QGraphicsScene for Plasma::Applets
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*/
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class PLASMA_EXPORT View : public QGraphicsView
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{
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Q_OBJECT
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public:
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View(int screen, Corona *corona, QWidget *parent = 0);
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explicit View(Containment *containment, QWidget *parent = 0);
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~View();
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/**
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* Sets whether or not to draw the containment wallpaper when painting
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* on this item
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*/
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void setDrawWallpaper(bool draw);
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/**
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* @return whether or not containments should draw wallpaper
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*/
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bool drawWallpaper() const;
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/**
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* Sets which screen this view is associated with, if any.
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* This will also set the containment if a valid screen is specified
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*
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* @arg screen the xinerama screen number; -1 for no screen
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*/
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void setScreen(int screen);
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/**
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* Returns the screen this view is associated with
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*
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* @return the xinerama screen number, or -1 for none
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*/
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int screen() const;
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/**
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* Sets the containment for this view, which will also cause the view
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* to track the geometry of the containment.
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*
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* @arg containment the containment to center the view on
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*/
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void setContainment(Containment *containment);
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/**
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* @return the containment associated with this view, or 0 if none is
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*/
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Containment* containment() const;
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private:
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class Private;
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Private * const d;
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};
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} // namespace Plasma
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#endif
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