WebCore/HTMLTextAreaElement.h

   1 /*
   2  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
   3  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
   4  *           (C) 2000 Dirk Mueller (mueller@kde.org)
   5  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Library General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Library General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Library General Public License
  18  * along with this library; see the file COPYING.LIB.  If not, write to
  19  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20  * Boston, MA 02110-1301, USA.
  21  *
  22  */
  23
  24 #ifndef HTMLTextAreaElement_h
  25 #define HTMLTextAreaElement_h
  26
  27 #include "HTMLFormControlElement.h"
  28
  29 namespace WebCore {
  30
  31 class Selection;
  32
  33 class HTMLTextAreaElement : public HTMLFormControlElementWithState {
  34 public:
  35     HTMLTextAreaElement(const QualifiedName&, Document*, HTMLFormElement* = 0);
  36
  37     virtual bool checkDTD(const Node* newChild) { return newChild->isTextNode(); }
  38
  39     int cols() const { return m_cols; }
  40     int rows() const { return m_rows; }
  41
  42     bool shouldWrapText() const { return m_wrap != NoWrap; }
  43
  44     virtual bool isEnumeratable() const { return true; }
  45
  46     virtual const AtomicString& type() const;
  47
  48     virtual bool saveState(String& value) const;
  49     virtual void restoreState(const String&);
  50
  51     bool readOnly() const { return isReadOnlyControl(); }
  52
  53     virtual bool isTextControl() const { return true; }
  54
  55     int selectionStart();
  56     int selectionEnd();
  57
  58     void setSelectionStart(int);
  59     void setSelectionEnd(int);
  60
  61     void select();
  62     void setSelectionRange(int, int);
  63
  64     virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
  65     virtual void parseMappedAttribute(MappedAttribute*);
  66     virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
  67     virtual bool appendFormData(FormDataList&, bool);
  68     virtual void reset();
  69     virtual void defaultEventHandler(Event*);
  70     virtual bool isMouseFocusable() const;
  71     virtual bool isKeyboardFocusable(KeyboardEvent*) const;
  72     virtual void updateFocusAppearance(bool restorePreviousSelection);
  73
  74     String value() const;
  75     void setValue(const String&);
  76     String defaultValue() const;
  77     void setDefaultValue(const String&);
  78
  79     void rendererWillBeDestroyed();
  80
  81     virtual void accessKeyAction(bool sendToAnyElement);
  82
  83     const AtomicString& accessKey() const;
  84     void setAccessKey(const String&);
  85
  86     void setCols(int);
  87     void setRows(int);
  88
  89     void cacheSelection(int s, int e) { m_cachedSelectionStart = s; m_cachedSelectionEnd = e; };
  90     Selection selection() const;
  91
  92     virtual bool willRespondToMouseClickEvents();
  93
  94     virtual bool shouldUseInputMethod() const;
  95
  96 private:
  97     enum WrapMethod { NoWrap, SoftWrap, HardWrap };
  98
  99     void updateValue() const;
 100
 101     int m_rows;
 102     int m_cols;
 103     WrapMethod m_wrap;
 104     mutable String m_value;
 105     int m_cachedSelectionStart;
 106     int m_cachedSelectionEnd;
 107 };
 108
 109 } //namespace
 110
 111 #endif