diff options
Diffstat (limited to 'src/Fl.cxx')
| -rw-r--r-- | src/Fl.cxx | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/Fl.cxx b/src/Fl.cxx index ee16805d9..e7ba9f04d 100644 --- a/src/Fl.cxx +++ b/src/Fl.cxx @@ -69,6 +69,7 @@ const char *Fl::e_clipboard_type = ""; void *Fl::e_clipboard_data = NULL; Fl_Event_Dispatch Fl::e_dispatch = 0; +Fl_Callback_Reason Fl::callback_reason_ = FL_REASON_UNKNOWN; unsigned char Fl::options_[] = { 0, 0 }; unsigned char Fl::options_read_ = 0; @@ -1173,6 +1174,14 @@ static int send_event(int event, Fl_Widget* to, Fl_Window* window) { return ret; } +/** + \brief Give the reason for calling a callback. + \return the reason for the current callback + \see Fl_Widget::when(), Fl_Widget::do_callback(), Fl_Widget::callback() + */ +Fl_Callback_Reason Fl::callback_reason() { + return callback_reason_; +} /** \brief Set a new event dispatch function. @@ -1258,6 +1267,8 @@ int Fl::handle(int e, Fl_Window* window) another dispatch function. In that case, the user dispatch function must decide when to call Fl::handle_(int, Fl_Window*) + Callbacks can set \p FL_REASON_CLOSED and \p FL_REASON_CANCELLED. + \param e the event type (Fl::event_number() is not yet set) \param window the window that caused this event \return 0 if the event was not handled @@ -1275,7 +1286,7 @@ int Fl::handle_(int e, Fl_Window* window) case FL_CLOSE: if ( grab() || (modal() && window != modal()) ) return 0; - wi->do_callback(); + wi->do_callback(FL_REASON_CLOSED); return 1; case FL_SHOW: @@ -1425,7 +1436,7 @@ int Fl::handle_(int e, Fl_Window* window) // make Escape key close windows: if (event_key()==FL_Escape) { wi = modal(); if (!wi) wi = window; - wi->do_callback(); + wi->do_callback(FL_REASON_CANCELLED); return 1; } |