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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"