File indexing completed on 2024-05-05 04:21:19

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 #define DEBUG_KP_THUMBNAIL_VIEW 0
0030 
0031 
0032 #include "views/kpThumbnailView.h"
0033 
0034 #include "kpLogCategories.h"
0035 
0036 
0037 kpThumbnailView::kpThumbnailView (kpDocument *document,
0038         kpToolToolBar *toolToolBar,
0039         kpViewManager *viewManager,
0040         kpView *buddyView,
0041         kpViewScrollableContainer *scrollableContainer,
0042         QWidget *parent)
0043 
0044     : kpView (document, toolToolBar, viewManager,
0045               buddyView,
0046               scrollableContainer,
0047               parent)
0048 {
0049 }
0050 
0051 kpThumbnailView::~kpThumbnailView () = default;
0052 
0053 
0054 // protected
0055 void kpThumbnailView::setMaskToCoverDocument ()
0056 {
0057 #if DEBUG_KP_THUMBNAIL_VIEW
0058     qCDebug(kpLogViews) << "kpThumbnailView::setMaskToCoverDocument()"
0059                << " origin=" << origin ()
0060                << " zoomedDoc: width=" << zoomedDocWidth ()
0061                << " height=" << zoomedDocHeight ()
0062                << endl;
0063 #endif
0064 
0065     setMask (QRegion (QRect (origin ().x (), origin ().y (),
0066                       zoomedDocWidth (), zoomedDocHeight ())));
0067 }
0068 
0069 
0070 // protected virtual [base kpView]
0071 void kpThumbnailView::resizeEvent (QResizeEvent *e)
0072 {
0073 #if DEBUG_KP_THUMBNAIL_VIEW
0074     qCDebug(kpLogViews) << "kpThumbnailView(" << name () << ")::resizeEvent()"
0075                << endl;
0076 #endif
0077 
0078     // For QResizeEvent's, Qt already throws an entire widget repaint into
0079     // the event loop.  So eat useless update() calls that can only slow
0080     // things down.
0081     // TODO: this doesn't seem to work.
0082     //       Later: In Qt4, setUpdatesEnabled(true) calls update().
0083     const bool oldIsUpdatesEnabled = updatesEnabled ();
0084     setUpdatesEnabled (false);
0085 
0086     {
0087         kpView::resizeEvent (e);
0088 
0089         adjustToEnvironment ();
0090     }
0091 
0092     setUpdatesEnabled (oldIsUpdatesEnabled);
0093 }
0094 
0095 #include "moc_kpThumbnailView.cpp"