-Bring back the adaptive sleeping in the main engine. Still using static 20ms sleep in idle waiting loops (when mouse doesn't move)

-Discontinuous freehand now uses an asynchronous method for delaying. It is sensitive to the delay set in the airbrush/spray menu.


git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@802 416bcca6-2ee7-4201-b75f-2eb2f807beb1

buttons.c

@@ -135,7 +135,7 @@ void Button_Message_initial(void)
 
   Display_cursor();
 
-  while(!Get_input() && !Mouse_K && !Key) SDL_Delay(20);
+  while(!Mouse_K && !Key) if(!Get_input()) SDL_Delay(20);
   if (Mouse_K)
     Wait_end_of_click();