File indexing completed on 2024-05-05 04:21:20

0001 
0002 /*
0003    Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
0004    All rights reserved.
0005 
0006    Redistribution and use in source and binary forms, with or without
0007    modification, are permitted provided that the following conditions
0008    are met:
0009 
0010    1. Redistributions of source code must retain the above copyright
0011       notice, this list of conditions and the following disclaimer.
0012    2. Redistributions in binary form must reproduce the above copyright
0013       notice, this list of conditions and the following disclaimer in the
0014       documentation and/or other materials provided with the distribution.
0015 
0016    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
0017    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
0018    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
0019    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
0020    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
0021    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
0022    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
0023    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0024    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
0025    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0026 */
0027 
0028 
0029 #ifndef kpViewPrivate_H
0030 #define kpViewPrivate_H
0031 
0032 
0033 #include <QPoint>
0034 #include <QPointer>
0035 #include <QRect>
0036 #include <QRegion>
0037 
0038 
0039 class kpDocument;
0040 class kpToolToolBar;
0041 class kpView;
0042 class kpViewScrollableContainer;
0043 
0044 
0045 struct kpViewPrivate
0046 {
0047     // sync: kpView::paintEvent()
0048     //
0049     // Normally, these pointers must be valid while the kpView is alive.
0050     // Generally, the objects they point to are deleted only after kpView
0051     // is deleted.
0052     //
0053     // However, sometimes we use deleteLater() for the kpView.
0054     // Before the delayed deletion is executed, those objects are deleted
0055     // and then our paintEvent() is called.  paintEvent() must therefore
0056     // have some way of realising that those objects have been deleted so
0057     // we use guarded pointers.
0058     //
0059     // For more details, see SVN commit:
0060     //     "r385274 | dang | 2005-02-02 22:08:27 +1100 (Wed, 02 Feb 2005) | 21 lines".
0061     QPointer <kpDocument> document;
0062     QPointer <kpToolToolBar> toolToolBar;
0063     QPointer <kpViewManager> viewManager;
0064     QPointer <kpView> buddyView;
0065     QPointer <kpViewScrollableContainer> scrollableContainer;
0066 
0067     int hzoom, vzoom;
0068     QPoint origin;
0069     bool showGrid;
0070     bool isBuddyViewScrollableContainerRectangleShown;
0071     QRect buddyViewScrollableContainerRectangle;
0072 
0073     QRegion queuedUpdateArea;
0074 };
0075 
0076 
0077 #endif  // kpViewPrivate_H