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view.h
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1 /*
2  * Copyright 2007 Aaron Seigo <aseigo@kde.org>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Library General Public License as
6  * published by the Free Software Foundation; either version 2, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details
13  *
14  * You should have received a copy of the GNU Library General Public
15  * License along with this program; if not, write to the
16  * Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19 
20 #ifndef PLASMA_VIEW_H
21 #define PLASMA_VIEW_H
22 
23 #include <QtGui/QApplication>
24 #include <QtGui/QGraphicsView>
25 
26 #include <kconfiggroup.h>
27 
28 #include <plasma/plasma_export.h>
29 
30 namespace Plasma
31 {
32 
33 class Containment;
34 class Corona;
35 class ViewPrivate;
36 
47 class PLASMA_EXPORT View : public QGraphicsView
48 {
49  Q_OBJECT
50 
51 public:
59  explicit View(Containment *containment, QWidget *parent = 0);
60 
68  View(Containment *containment, int viewId, QWidget *parent = 0);
69 
70  ~View();
71 
76  void setWallpaperEnabled(bool draw);
77 
81  bool isWallpaperEnabled() const;
82 
90  void setScreen(int screen, int desktop = -1);
91 
97  int screen() const;
98 
104  int desktop() const;
105 
111  int effectiveDesktop() const;
112 
116  Containment *containment() const;
117 
126  Containment *swapContainment(Plasma::Containment *existing,
127  const QString &name,
128  const QVariantList &args = QVariantList());
129 
137  Containment *swapContainment(const QString &name,
138  const QVariantList &args = QVariantList());
139 
146  void setTrackContainmentChanges(bool trackChanges);
147 
151  bool trackContainmentChanges();
152 
157  static View * topLevelViewAt(const QPoint & pos);
158 
162  int id() const;
163 
164 Q_SIGNALS:
171  void sceneRectAboutToChange();
172 
179  void sceneRectChanged();
180 
185  void lostContainment();
186 
187 public Q_SLOTS:
194  virtual void setContainment(Plasma::Containment *containment);
195 
196 protected:
200  KConfigGroup config() const;
201 
202 
206  void configNeedsSaving() const;
207 
208 private:
209  ViewPrivate * const d;
210 
211  Q_PRIVATE_SLOT(d, void updateSceneRect())
212  Q_PRIVATE_SLOT(d, void containmentDestroyed())
213  Q_PRIVATE_SLOT(d, void containmentScreenChanged(int, int, Plasma::Containment *))
214  Q_PRIVATE_SLOT(d, void privateInit())
215 
216  friend class ViewPrivate;
217 };
218 
219 } // namespace Plasma
220 
221 #endif
222 
QWidget
QPoint
Plasma::View
A QGraphicsView for a single Containment.
Definition: view.h:47
QString
Plasma::Containment
The base class for plugins that provide backgrounds and applet grouping containers.
Definition: containment.h:72
QGraphicsView
plasma_export.h
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