WebCore/RenderTextControlMultiLine.h

   1 /*
   2  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Library General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Library General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Library General Public License
  15  * along with this library; see the file COPYING.LIB.  If not, write to
  16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17  * Boston, MA 02110-1301, USA.
  18  *
  19  */
  20
  21 #ifndef RenderTextControlMultiLine_h
  22 #define RenderTextControlMultiLine_h
  23
  24 #include "RenderTextControl.h"
  25
  26 namespace WebCore {
  27
  28 class RenderTextControlMultiLine : public RenderTextControl {
  29 public:
  30     RenderTextControlMultiLine(Node*);
  31     virtual ~RenderTextControlMultiLine();
  32
  33     virtual bool isTextArea() const { return true; }
  34
  35     virtual void subtreeHasChanged();
  36     virtual void layout();
  37
  38     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, int x, int y, int tx, int ty, HitTestAction);
  39     void forwardEvent(Event*);
  40
  41 private:
  42     virtual int preferredContentWidth(float charWidth) const;
  43     virtual void adjustControlHeightBasedOnLineHeight(int lineHeight);
  44     virtual int baselinePosition(bool firstLine, bool isRootLineBox) const;
  45
  46     virtual void updateFromElement();
  47     virtual void cacheSelection(int start, int end);
  48
  49     virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const;
  50 };
  51
  52 }
  53
  54 #endif