author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 09:20:16 +0200 | |
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/* |
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* Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
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* Copyright (C) 2007 Staikos Computing Services Inc. <info@staikos.net> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef PlatformScrollbar_h |
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#define PlatformScrollbar_h |
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#include "Widget.h" |
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#include "ScrollBar.h" |
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#include "Timer.h" |
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#include <QStyleOptionSlider> |
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namespace WebCore { |
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class PlatformScrollbar : public Widget, public Scrollbar { |
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public: |
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PlatformScrollbar(ScrollbarClient*, ScrollbarOrientation, ScrollbarControlSize); |
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virtual ~PlatformScrollbar(); |
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virtual bool isWidget() const { return true; } |
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virtual int width() const; |
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virtual int height() const; |
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virtual void setRect(const IntRect&); |
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virtual IntRect frameGeometry() const; |
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virtual void setFrameGeometry(const IntRect& r); |
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virtual void setEnabled(bool); |
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virtual void paint(GraphicsContext*, const IntRect& damageRect); |
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virtual bool handleMouseMoveEvent(const PlatformMouseEvent&); |
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virtual bool handleMouseOutEvent(const PlatformMouseEvent&); |
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virtual bool handleMousePressEvent(const PlatformMouseEvent&); |
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virtual bool handleMouseReleaseEvent(const PlatformMouseEvent&); |
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virtual IntRect windowClipRect() const; |
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bool isEnabled() const; |
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static int horizontalScrollbarHeight(ScrollbarControlSize size = RegularScrollbar); |
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static int verticalScrollbarWidth(ScrollbarControlSize size = RegularScrollbar); |
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void autoscrollTimerFired(Timer<PlatformScrollbar>*); |
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protected: |
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virtual void updateThumbPosition(); |
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virtual void updateThumbProportion(); |
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private: |
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int thumbPosition() const; |
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int thumbLength() const; |
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int trackLength() const; |
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void startTimerIfNeeded(double delay); |
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void stopTimerIfNeeded(); |
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void autoscrollPressedPart(double delay); |
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ScrollDirection pressedPartScrollDirection(); |
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ScrollGranularity pressedPartScrollGranularity(); |
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bool thumbUnderMouse(); |
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int m_pressedPos; |
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QStyle::SubControl m_pressedPart; |
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QStyle::SubControl m_hoveredPart; |
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Timer<PlatformScrollbar> m_scrollTimer; |
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QStyleOptionSlider m_opt; |
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}; |
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} |
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#endif // PlatformScrollbar_h |
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