1 /* 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef ScrollbarThemeQt_h 27 #define ScrollbarThemeQt_h 28 29 #include "ScrollbarTheme.h" 30 31 #include <QtCore/qglobal.h> 32 33 QT_BEGIN_NAMESPACE 34 class QStyle; 35 QT_END_NAMESPACE 36 37 namespace WebCore { 38 39 class ScrollbarThemeQt : public ScrollbarTheme { 40 public: 41 virtual ~ScrollbarThemeQt(); 42 43 virtual bool paint(Scrollbar*, GraphicsContext*, const IntRect& damageRect); 44 virtual void paintScrollCorner(ScrollView*, GraphicsContext*, const IntRect& cornerRect); 45 46 virtual ScrollbarPart hitTest(Scrollbar*, const PlatformMouseEvent&); 47 48 virtual bool shouldCenterOnThumb(Scrollbar*, const PlatformMouseEvent&); 49 50 virtual void invalidatePart(Scrollbar*, ScrollbarPart); 51 52 virtual int thumbPosition(Scrollbar*); 53 virtual int thumbLength(Scrollbar*); 54 virtual int trackPosition(Scrollbar*); 55 virtual int trackLength(Scrollbar*); 56 57 virtual int scrollbarThickness(ScrollbarControlSize = RegularScrollbar); 58 59 QStyle* style() const; 60 }; 61 62 } 63 #endif 64