libqutim  0.3.2.0
declarativeview.h
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00001 /****************************************************************************
00002 **
00003 ** qutIM - instant messenger
00004 **
00005 ** Copyright © 2012 Aleksey Sidorov <gorthauer87@yandex.ru>
00006 **
00007 *****************************************************************************
00008 **
00009 ** $QUTIM_BEGIN_LICENSE$
00010 ** This program is free software: you can redistribute it and/or modify
00011 ** it under the terms of the GNU General Public License as published by
00012 ** the Free Software Foundation, either version 3 of the License, or
00013 ** (at your option) any later version.
00014 **
00015 ** This program is distributed in the hope that it will be useful,
00016 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00018 ** See the GNU General Public License for more details.
00019 **
00020 ** You should have received a copy of the GNU General Public License
00021 ** along with this program.  If not, see http://www.gnu.org/licenses/.
00022 ** $QUTIM_END_LICENSE$
00023 **
00024 ****************************************************************************/
00025 
00026 #ifndef QUTIM_SDK_0_3_DECLARATIVEVIEW_H
00027 #define QUTIM_SDK_0_3_DECLARATIVEVIEW_H
00028 #include <QGraphicsView>
00029 #include "libqutim_global.h"
00030 
00031 class QDeclarativeEngine;
00032 class QDeclarativeContext;
00033 class QDeclarativeItem;
00034 class QUrl;
00035 
00036 namespace qutim_sdk_0_3 {
00037 
00038 class DeclarativeViewPrivate;
00039 
00040 class LIBQUTIM_EXPORT DeclarativeView : public QGraphicsView
00041 {
00042     Q_OBJECT
00043     Q_DECLARE_PRIVATE(DeclarativeView)
00044 
00045     Q_PROPERTY(Status status READ status NOTIFY statusChanged)
00046     Q_PROPERTY(QUrl source READ source WRITE setSource DESIGNABLE true)
00047     Q_ENUMS(Status ResizeMode)
00048 public:
00049     explicit DeclarativeView(QWidget *parent = 0);
00050     virtual ~DeclarativeView();
00051 
00052     static void setEngine(QDeclarativeEngine *engine);
00053     static QDeclarativeEngine *engine();
00054 
00055     void setSource(const QUrl &source);
00056     QUrl source() const;
00057     QDeclarativeContext *rootContext() const;
00058     QObject *rootObject() const;
00059     enum Status { Null, Ready, Loading, Error };
00060     Status status() const;
00061     enum ResizeMode { SizeViewToRootObject, SizeRootObjectToView };
00062     ResizeMode resizeMode() const;
00063     void setResizeMode(ResizeMode);
00064 signals:
00065     void sceneResized(const QSize &size);
00066     void statusChanged(qutim_sdk_0_3::DeclarativeView::Status);
00067 protected:
00068     virtual void resizeEvent(QResizeEvent *event);
00069     virtual void setRootObject(QObject *object);
00070     virtual bool eventFilter(QObject *obj, QEvent *ev);
00071 
00072     QScopedPointer<DeclarativeViewPrivate> d_ptr;
00073 private:
00074     Q_PRIVATE_SLOT(d_func(), void _q_updateView())
00075     Q_PRIVATE_SLOT(d_func(), void _q_continueExecute())
00076 };
00077 
00078 } // namespace qutim_sdk_0_3
00079 
00080 #endif // QUTIM_SDK_0_3_DECLARATIVEVIEW_H