Home | History | Annotate | Download | only in qt
      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