Doxygen documentation WP9 Done.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6251 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

FL/Fl_Input_.H

@@ -46,6 +46,31 @@
 #define FL_MULTILINE_INPUT_WRAP	(FL_MULTILINE_INPUT | FL_INPUT_WRAP)
 #define FL_MULTILINE_OUTPUT_WRAP (FL_MULTILINE_INPUT | FL_INPUT_READONLY | FL_INPUT_WRAP)
 
+/**
+  This is a virtual base class below Fl_Input. It has all
+  the same interfaces, but lacks the handle() and
+  draw() method. You may want to subclass it if you are
+  one of those people who likes to change how the editing keys
+  work.
+  
+  <P>This can act like any of the subclasses of Fl_Input, by
+  setting type() to one of the following values:</P>
+  
+  \code
+  #define FL_NORMAL_INPUT	   0
+  #define FL_FLOAT_INPUT	   1
+  #define FL_INT_INPUT		   2
+  #define FL_MULTILINE_INPUT	   4
+  #define FL_SECRET_INPUT	   5
+  #define FL_INPUT_TYPE		   7
+  #define FL_INPUT_READONLY	   8
+  #define FL_NORMAL_OUTPUT	   (FL_NORMAL_INPUT | FL_INPUT_READONLY)
+  #define FL_MULTILINE_OUTPUT	   (FL_MULTILINE_INPUT | FL_INPUT_READONLY)
+  #define FL_INPUT_WRAP		   16
+  #define FL_MULTILINE_INPUT_WRAP  (FL_MULTILINE_INPUT | FL_INPUT_WRAP)
+  #define FL_MULTILINE_OUTPUT_WRAP (FL_MULTILINE_INPUT | FL_INPUT_READONLY | FL_INPUT_WRAP)
+  \endcode
+*/
 class FL_EXPORT Fl_Input_ : public Fl_Widget {
 
   const char* value_;
@@ -99,45 +124,142 @@ public:
   int value(const char*, int);
   int static_value(const char*);
   int static_value(const char*, int);
+  /**
+      The first form returns the current value, which is a pointer
+      to the internal buffer and is valid only until the next event is
+      handled.
+      
+      <P>The second two forms change the text and set the mark and the
+      point to the end of it. The string is copied to the internal
+      buffer. Passing NULL is the same as &quot;&quot;. 
+      This returns non-zero if the new value is different than the
+      current one.  You can use the second version to directly set the
+      length if you know it already or want to put nul's in the
+      text.
+  */
   const char* value() const {return value_;}
-  char index(int i) const {return value_[i];}
+  /**
+      Same as value()[n], but may be faster in plausible
+      implementations. No bounds checking is done. 
+  */
+char index(int i) const {return value_[i];}
+  /**
+      Returns the number of characters in value(). This
+      may be greater than strlen(value()) if there are nul
+      characters in it.
+  */
   int size() const {return size_;}
   void size(int W, int H) { Fl_Widget::size(W, H); }
+  /** Gets the maximum length of the input field.  */
   int maximum_size() const {return maximum_size_;}
+  /** Sets the maximum length of the input field.  */
   void maximum_size(int m) {maximum_size_ = m;}
-
+  /**
+    The input widget maintains two pointers into the string. The
+    &quot;position&quot; is where the cursor is. The
+    &quot;mark&quot; is the other end of the selected text. If they
+    are equal then there is no selection. Changing this does not
+    affect the clipboard (use copy() to do that).
+    
+    <P>Changing these values causes a redraw(). The new
+    values are bounds checked. The return value is non-zero if the
+    new position is different than the old one. position(n)
+    is the same as position(n,n). mark(n) is the
+    same as position(position(),n).
+  */
   int position() const {return position_;}
+  /** Gets the current selection mark. mark(n) is  the same as position(position(),n).*/
   int mark() const {return mark_;}
   int position(int p, int m);
+   /**  See int Fl_Input_::position() const */
   int position(int p) {return position(p, p);}
+  /** Sets the current selection mark. mark(n) is  the same as position(position(),n).*/
   int mark(int m) {return position(position(), m);}
   int replace(int, int, const char*, int=0);
+  /**
+    Deletes the current selection.
+    cut(n) deletes n characters after the
+    position(). cut(-n) deletes n
+    characters before the position(). cut(a,b)
+    deletes the characters between offsets a and
+    b. A, b, and n are all
+    clamped to the size of the string. The mark and point are left
+    where the deleted text was.
+    
+    <P>If you want the data to go into the clipboard, do
+    Fl_Input_::copy() before calling
+    Fl_Input_::cut(), or do Fl_Input_::copy_cuts()
+    afterwards.
+  */
   int cut() {return replace(position(), mark(), 0);}
+  /**    See int Fl_Input_::cut()   */
   int cut(int n) {return replace(position(), position()+n, 0);}
+  /**    See int Fl_Input_::cut()   */
   int cut(int a, int b) {return replace(a, b, 0);}
+  /**
+    Insert the string t at the current position, and
+    leave the mark and position after it. If l is not zero
+    then it is assumed to be strlen(t).
+  */
   int insert(const char* t, int l=0){return replace(position_, mark_, t, l);}
   int copy(int clipboard);
   int undo();
   int copy_cuts();
 
+  /**
+    The first form returns the current shortcut key for the Input.
+    <P>The second form sets the shortcut key to key. Setting this
+    overrides the use of '&' in the label().  The value is a bitwise
+    OR of a key and a set of shift flags, for example FL_ALT | 'a'
+    , FL_ALT | (FL_F + 10), or just 'a'.  A value
+    of 0 disables the shortcut. </P>
+    <P>The key can be any value returned by 
+    Fl::event_key(), but will usually be an ASCII letter.  Use
+    a lower-case letter unless you require the shift key to be held down. </P>
+    <P>The shift flags can be any set of values accepted by 
+    Fl::event_state().  If the bit is on that shift key must
+    be pushed.  Meta, Alt, Ctrl, and Shift must be off if they are not in
+    the shift flags (zero for the other bits indicates a &quot;don't care&quot;
+    setting).
+  */
   int shortcut() const {return shortcut_;}
+  /** See int shortcut() const */
   void shortcut(int s) {shortcut_ = s;}
 
+  /** Gets the font of the text in the input field.*/
   Fl_Font textfont() const {return textfont_;}
+  /** Sets the font of the text in the input field.*/
   void textfont(Fl_Font s) {textfont_ = s;}
+  /** Gets the size of the text in the input field.*/
   Fl_Fontsize textsize() const {return textsize_;}
+  /** Sets the size of the text in the input field.*/
   void textsize(Fl_Fontsize s) {textsize_ = s;}
+  /** Gets the color of the text in the input field.*/
   Fl_Color textcolor() const {return (Fl_Color)textcolor_;}
+  /** Sets the color of the text in the input field.*/
   void textcolor(unsigned n) {textcolor_ = n;}
+  /** Gets the color of the cursor.  This is black by default.*/
   Fl_Color cursor_color() const {return (Fl_Color)cursor_color_;}
+  /** Sets the color of the cursor.  This is black by default.*/
   void cursor_color(unsigned n) {cursor_color_ = n;}
-
+  /** Gets the input field type. */
   int input_type() const {return type() & FL_INPUT_TYPE; }
+  /** Sets the input field type. */
   void input_type(int t) { type((uchar)(t | readonly())); }
+  /** Gets the read-only state of the input field.  */
   int readonly() const { return type() & FL_INPUT_READONLY; }
+  /** Sets the read-only state of the input field.  */
   void readonly(int b) { if (b) type((uchar)(type() | FL_INPUT_READONLY));
                          else type((uchar)(type() & ~FL_INPUT_READONLY)); }
+  /**
+    Gets  the word wrapping state of the input field. Word
+    wrap is only functional with multi-line input fields.
+  */
   int wrap() const { return type() & FL_INPUT_WRAP; }
+  /**
+    Sets the word wrapping state of the input field. Word
+    wrap is only functional with multi-line input fields.
+  */
   void wrap(int b) { if (b) type((uchar)(type() | FL_INPUT_WRAP));
                          else type((uchar)(type() & ~FL_INPUT_WRAP)); }
 };