diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Fl_Input_Choice.cxx | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/src/Fl_Input_Choice.cxx b/src/Fl_Input_Choice.cxx index a3fcedcbb..dd3c9b1cc 100644 --- a/src/Fl_Input_Choice.cxx +++ b/src/Fl_Input_Choice.cxx @@ -63,10 +63,14 @@ #include <FL/Fl_Double_Window.H> #include <FL/Fl_Input_Choice.H> void choice_cb(Fl_Widget *w, void *userdata) { + // Show info about the picked item Fl_Input_Choice *choice = (Fl_Input_Choice*)w; - const Fl_Menu_Item *item = choice->menubutton()->mvalue(); printf("*** Choice Callback:\n"); + printf(" widget's text value='%s'\n", choice->value()); // normally all you need + + // Access the menu via menubutton().. + const Fl_Menu_Item *item = choice->menubutton()->mvalue(); printf(" item label()='%s'\n", item ? item->label() : "(No item)"); printf(" item value()=%d\n", choice->menubutton()->value()); printf(" input value()='%s'\n", choice->input()->value()); @@ -214,6 +218,48 @@ void Fl_Input_Choice::clear_changed() { Fl_Widget::clear_changed(); } +/** Updates the menubutton with the string value in Fl_Input. + + If the string value currently in Fl_Input matches one of the + menu items in menubutton(), that menu item will become the + current item selected. + + Call this method after setting value(const char*) if you need + the menubutton() to be synchronized with the Fl_Input field. + + \code + // Add items + choice->add(".25"); + choice->add(".50"); + choice->add("1.0"); + choice->add("2.0"); + choice->add("4.0"); + + choice->value("1.0"); // sets Fl_Input to "1.0" + choice->update_menubutton(); // cause menubutton to reflect this value too + // (returns 1 if match was found, 0 if not) + // Verify menubutton()'s value. + printf("menu button choice index=%d, value=%s\n", + choice->menubutton()->value(), // would be -1 if update not done + choice->menubutton()->text()); // would be NULL if update not done + \endcode + + \returns 1 if a matching menuitem was found and value set, 0 if not. + \version 1.4.0 +*/ +int Fl_Input_Choice::update_menubutton() { + // Find item in menu + for ( int i=0; i<menu_->size(); i++ ) { + const Fl_Menu_Item &item = menu_->menu()[i]; + if (item.flags & (FL_SUBMENU|FL_SUBMENU_POINTER)) continue; // ignore submenus + const char *name = menu_->text(i); + if ( name && strcmp(name, inp_->value()) == 0) { + menu_->value(i); + return 1; + } + } + return 0; // not found +} // // End of "$Id$". |