> hello: > My interface is composed of two windows.window1 has a button named button1 > whose shortcut is F1,window2 has a button named button2 whose shortcut is F2. > When window1 get focus,I can press F1 active button1,but I canât press F2 > active button2. > My problem is How can I press F2 active button2 when window1 get focus? > Thanks. >
Assuming you are using Fltk 1.1x, I believe the solution is to use the Fl::add_handler function described here: http://www.fltk.org/doc-1.1/Fl.html#Fl.add_handler. For me, the following code accomplishes what you describe: #include <FL/Fl.h> #include <FL/Fl_Window.h> #include <FL/Fl_Button.h> #include <iostream> int global_handler(int event){ if(event==FL_SHORTCUT){ if(Fl::event_key()==(FL_F+1)) std::cout <<"button1\n"; else if(Fl::event_key()==(FL_F+2)) std::cout << "button2\n"; } } int main(void){ Fl_Window w1(0,0,100,100,"w1"); Fl_Button b1(0,0,100,100,"button1"); w1.end(); w1.show(); Fl_Window w2(100,0,100,100,"w2"); Fl_Button b2(0,0,100,100,"button2"); w2.end(); w2.show(); Fl::add_handler(global_handler); return Fl::run(); }
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