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Added new virtual methods, as discussed in fltk.development: 

virtual Fl_Group*  Fl_Widget::as_group() const
  virtual Fl_Window* Fl_Widget::as_window() const
Todo: documentation is not yet complete.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7074 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
This commit is contained in:
Albrecht Schlosser 2010-02-13 12:25:58 +00:00
parent 1ff2af5fd3
commit ea31edb241
3 changed files with 32 additions and 0 deletions
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8
FL/Fl_Group.H
View File

@ -176,6 +176,14 @@ public:
*/
unsigned int clip_children() { return (flags() & CLIP_CHILDREN) != 0; }
/** Returns an Fl_Group pointer if this widget is an Fl_Group.
\retval NULL if this widget is not derived from Fl_Group.
\note This method is provided to avoid dynamic_cast.
\todo More documentation ...
*/
virtual Fl_Group* as_group() const { return (Fl_Group*)this; }
// back compatibility functions:
/**

16
FL/Fl_Widget.H
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@ -924,6 +924,22 @@ public:
*/
Fl_Window* window() const ;
/** Returns an Fl_Group pointer if this widget is an Fl_Group.
\retval NULL if this widget is not derived from Fl_Group.
\note This method is provided to avoid dynamic_cast.
\todo More documentation ...
*/
virtual Fl_Group* as_group() const {return 0;}
/** Returns an Fl_Window pointer if this widget is an Fl_Window.
\retval NULL if this widget is not derived from Fl_Window.
\note This method is provided to avoid dynamic_cast.
\todo More documentation ...
*/
virtual Fl_Window* as_window() const {return 0;}
/** For back compatibility only.
\deprecated Use selection_color() instead.
*/

8
FL/Fl_Window.H
View File

@ -415,6 +415,14 @@ public:
*/
void make_current();
/** Returns an Fl_Window pointer if this widget is an Fl_Window.
\retval NULL if this widget is not derived from Fl_Window.
\note This method is provided to avoid dynamic_cast.
\todo More documentation ...
*/
virtual Fl_Window* as_window() const { return (Fl_Window*)this; }
// for back-compatibility only:
/**
Changes the cursor for this window. This always calls the system, if