141 lines
3.7 KiB
C++
141 lines
3.7 KiB
C++
/*
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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 QGraphicsView 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 which virtual desktop this view is asociated with, if any.
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*
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* @arg desktop a valid desktop number, -1 for all desktops, less than -1 for none
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*/
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void setDesktop(int desktop);
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/**
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* The virtual desktop this view is associated with
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*
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* @return the desktop number, -1 for all desktops and less than -1 for none
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*/
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int desktop() const;
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/**
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* The virtual desktop this view is actually being viewed on
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*
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* @return the desktop number (always valid, never < 0)
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*/
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int effectiveDesktop() 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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Q_SIGNALS:
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/**
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* This signal is emitted whenever the containment being viewed has
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* changed its geometry, but before the View has shifted the viewd scene rect
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* to the new geometry. This is useful for Views which want to keep
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* their rect() in sync with the containment'sa
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*
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* @arg rect the new scene rect.
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*/
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void sceneRectAboutToChange();
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/**
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* This signal is emitted whenever the containment being viewed has
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* changed its geometry, and after the View has shifted the viewd scene rect
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* to the new geometry. This is useful for Views which want to keep
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* their rect() in sync with the containment's.
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*
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* @arg rect the new scene rect.
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*/
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void sceneRectChanged();
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protected Q_SLOTS:
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void updateSceneRect();
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private:
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void initGraphicsView();
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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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