source/input/x11/keyboard.cpp

   1 #include <X11/Xlib.h>
   2 #include <X11/Xutil.h>
   3 #include <msp/graphics/window_private.h>
   4 #include "keyboard.h"
   5 #include "keys_private.h"
   6
   7 namespace Msp {
   8 namespace Input {
   9
  10 std::string Keyboard::get_button_name(unsigned btn) const
  11 {
  12         if(btn==0)
  13                 return "None";
  14
  15         const char *str = XKeysymToString(key_to_sys(btn));
  16         if(!str)
  17                 return Device::get_button_name(btn);
  18         return str;
  19 }
  20
  21 void Keyboard::input_event(const Graphics::Window::Event &event)
  22 {
  23         switch(event.xevent.type)
  24         {
  25         case KeyPress:
  26         case KeyRelease:
  27                 {
  28                         KeySym keysym = XLookupKeysym(const_cast<XKeyEvent *>(&event.xevent.xkey), 0);
  29                         if(keysym!=NoSymbol)
  30                                 if(unsigned key = key_from_sys(keysym))
  31                                         set_button_state(key, event.xevent.type==KeyPress, true);
  32                         if(event.xevent.type==KeyPress)
  33                         {
  34                                 char ch;
  35                                 if(XLookupString(const_cast<XKeyEvent *>(&event.xevent.xkey), &ch, 1, 0, 0))
  36                                         // XLookupString always returns Latin-1
  37                                         signal_character.emit(static_cast<unsigned char>(ch));
  38                         }
  39                 }
  40                 break;
  41         }
  42 }
  43
  44 } // namespace Input
  45 } // namespace Msp