www.pudn.com > PocketC.zip > event.c

// Event sample 
 
string prevString; 
out(string str) { 
   textattr(0,0,0); 
   text(80,1,prevString); 
   textattr(0,1,0); 
   text(80,1,str); 
   prevString = str; 
} 
 
// Handle a key event 
handlekey() { 
   char k; 
 
   k = key(); 
   out("KeyEvent: '"+k+"' + [" + (int)k + "]"); 
} 
 
int x, y; 
// Handle a pen event 
handlepen(int e) { 
   if (e==2) { 
      x = penx(); 
      y = peny(); 
   } else if (e==4) 
      line(1, x, y, x=penx(), y=peny()); 
   else out("PenUp: ("+penx()+", "+peny()+")"); 
} 
 
// Handle a button event 
handleb(int e) { 
   if (e==5) out("PageUpEvent"); 
   else if (e==6) out("PageDnEvent"); 
   else if (e==11) out("MenuEvent"); 
   else out("HardButton" + (e-6)); 
   if (e==11) exit(); 
} 
 
main() { 
   int e; 
 
   clear(); 
   graph_on(); 
   title("Event Sample"); 
   hookhard(1);  // intercept hard buttons 
   hookmenu(1);  // intercept the menu silkscreen button 
   while (1) { 
      e = event(1); 
      if (e==1) handlekey(); 
      else if (e>=2 && e<=4) handlepen(e); 
      else handleb(e); 
   } 
}