1 /* 2 * Copyright (C) 2004, 2006, 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 COMPUTER, 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 COMPUTER, 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 ScrollbarGtk_h 27 #define ScrollbarGtk_h 28 29 #include "Scrollbar.h" 30 #include <wtf/PassRefPtr.h> 31 32 typedef struct _GtkAdjustment GtkAdjustment; 33 34 namespace WebCore { 35 36 class ScrollbarGtk : public Scrollbar { 37 public: 38 friend class Scrollbar; 39 friend class ScrollView; 40 ~ScrollbarGtk(); 41 42 virtual void setFrameRect(const IntRect&); 43 virtual void paint(GraphicsContext*, const IntRect&); 44 handleMouseMoveEvent(const PlatformMouseEvent &)45 virtual bool handleMouseMoveEvent(const PlatformMouseEvent&) { return false; } handleMouseOutEvent(const PlatformMouseEvent &)46 virtual bool handleMouseOutEvent(const PlatformMouseEvent&) { return false; } handleMousePressEvent(const PlatformMouseEvent &)47 virtual bool handleMousePressEvent(const PlatformMouseEvent&) { return false; } handleMouseReleaseEvent(const PlatformMouseEvent &)48 virtual bool handleMouseReleaseEvent(const PlatformMouseEvent&) { return false; } 49 50 virtual void setEnabled(bool); 51 52 virtual void frameRectsChanged(); 53 54 protected: 55 static PassRefPtr<ScrollbarGtk> createScrollbar(ScrollbarClient* client, ScrollbarOrientation orientation, GtkAdjustment*); 56 57 ScrollbarGtk(ScrollbarClient*, ScrollbarOrientation, ScrollbarControlSize); 58 ScrollbarGtk(ScrollbarClient*, ScrollbarOrientation, GtkAdjustment*); 59 60 virtual void updateThumbPosition(); 61 virtual void updateThumbProportion(); 62 63 private: 64 static void gtkValueChanged(GtkAdjustment*, ScrollbarGtk*); 65 IntPoint getLocationInParentWindow(const IntRect&); 66 GtkAdjustment* m_adjustment; 67 }; 68 69 } 70 71 #endif // ScrollbarGtk_h 72