diff options
Diffstat (limited to 'FL')
| -rw-r--r-- | FL/Fl.H | 18 |
1 files changed, 18 insertions, 0 deletions
@@ -52,6 +52,22 @@ class Fl_Window; class Fl_Image; struct Fl_Label; + +/** \defgroup callback_functions Callback function typedefs + \brief Typedefs for callback or handler functions passed as function parameters. + + FLTK uses callback functions as parameters for some function calls, e.g. to + set up global event handlers (Fl::add_handler()), to add a timeout handler + (Fl::add_timeout()), and many more. + + The typedefs defined in this group describe the function parameters used to set + up or clear the callback functions and should also be referenced to define the + callback function to handle such events in the user's code. + + \see Fl::add_handler(), Fl::add_timeout(), Fl::repeat_timeout(), + Fl::remove_timeout() and others + @{ */ + /** signature of some label drawing functions passed as parameters */ typedef void (Fl_Label_Draw_F)(const Fl_Label *label, int x, int y, int w, int h, Fl_Align align); @@ -88,6 +104,8 @@ typedef void (*Fl_Atclose_Handler)(Fl_Window *window, void *data); /** signature of args functions passed as parameters */ typedef int (*Fl_Args_Handler)(int argc, char **argv, int &i); +/** @} */ /* group callback_functions */ + /** The Fl is the FLTK global (static) containing state information and global methods for the current application. |