| /* |
| * This file is part of the select element renderer in WebCore. |
| * |
| * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef RenderListBox_h |
| #define RenderListBox_h |
| |
| #include "RenderBlock.h" |
| #include "ScrollBar.h" |
| |
| namespace WebCore { |
| |
| class HTMLSelectElement; |
| |
| class RenderListBox : public RenderBlock, private ScrollbarClient { |
| public: |
| RenderListBox(HTMLSelectElement*); |
| ~RenderListBox(); |
| |
| virtual const char* renderName() const { return "RenderListBox"; } |
| |
| virtual bool isListBox() const { return true; } |
| |
| virtual void setStyle(RenderStyle*); |
| virtual void updateFromElement(); |
| |
| virtual bool canHaveChildren() const { return false; } |
| |
| virtual bool hasControlClip() const { return true; } |
| virtual void paintObject(PaintInfo&, int tx, int ty); |
| virtual IntRect controlClipRect(int tx, int ty) const; |
| |
| virtual bool isPointInOverflowControl(HitTestResult&, int x, int y, int tx, int ty); |
| |
| virtual bool scroll(ScrollDirection, ScrollGranularity, float multiplier = 1.0f); |
| virtual bool isScrollable() const; |
| |
| virtual void calcPrefWidths(); |
| virtual short baselinePosition(bool firstLine, bool isRootLineBox) const; |
| virtual void calcHeight(); |
| |
| virtual void layout(); |
| |
| void selectionChanged(); |
| |
| void setOptionsChanged(bool changed) { m_optionsChanged = changed; } |
| |
| int listIndexAtOffset(int x, int y); |
| |
| bool scrollToRevealElementAtListIndex(int index); |
| |
| virtual bool shouldAutoscroll() const { return true; } |
| virtual void autoscroll(); |
| virtual void stopAutoscroll(); |
| |
| virtual int verticalScrollbarWidth() const; |
| virtual int scrollLeft() const; |
| virtual int scrollTop() const; |
| virtual int scrollWidth() const; |
| virtual int scrollHeight() const; |
| virtual void setScrollLeft(int); |
| virtual void setScrollTop(int); |
| |
| private: |
| // ScrollbarClient interface. |
| virtual void valueChanged(Scrollbar*); |
| virtual IntRect windowClipRect() const; |
| virtual bool isActive() const; |
| |
| int itemHeight() const; |
| void valueChanged(unsigned listIndex); |
| int size() const; |
| int numVisibleItems() const; |
| int numItems() const; |
| int listHeight() const; |
| IntRect itemBoundingBoxRect(int tx, int ty, int index); |
| void paintScrollbar(PaintInfo&); |
| void paintItemForeground(PaintInfo&, int tx, int ty, int listIndex); |
| void paintItemBackground(PaintInfo&, int tx, int ty, int listIndex); |
| bool listIndexIsVisible(int index); |
| void scrollToRevealSelection(); |
| |
| bool m_optionsChanged; |
| bool m_scrollToRevealSelectionAfterLayout; |
| bool m_inAutoscroll; |
| int m_optionsWidth; |
| int m_indexOffset; |
| |
| RefPtr<Scrollbar> m_vBar; |
| }; |
| |
| } // namepace WebCore |
| |
| #endif // RenderListBox_h |