source/input/x11/keyboard.cpp

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