diff options
| -rw-r--r-- | FL/Fl_Group.H | 8 | ||||
| -rw-r--r-- | FL/Fl_Widget.H | 16 | ||||
| -rw-r--r-- | FL/Fl_Window.H | 8 |
3 files changed, 32 insertions, 0 deletions
diff --git a/FL/Fl_Group.H b/FL/Fl_Group.H index 941951cbf..7e1630d0b 100644 --- a/FL/Fl_Group.H +++ b/FL/Fl_Group.H @@ -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: /** diff --git a/FL/Fl_Widget.H b/FL/Fl_Widget.H index 94591107e..95351f9f2 100644 --- a/FL/Fl_Widget.H +++ b/FL/Fl_Widget.H @@ -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. */ diff --git a/FL/Fl_Window.H b/FL/Fl_Window.H index 2b7fdf84a..b2430e958 100644 --- a/FL/Fl_Window.H +++ b/FL/Fl_Window.H @@ -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 |