+KeySym wxCharCodeWXToX(int id)
+{
+ KeySym keySym;
+
+ switch (id)
+ {
+ case WXK_CANCEL: keySym = XK_Cancel; break;
+ case WXK_BACK: keySym = XK_BackSpace; break;
+ case WXK_TAB: keySym = XK_Tab; break;
+ case WXK_CLEAR: keySym = XK_Clear; break;
+ case WXK_RETURN: keySym = XK_Return; break;
+ case WXK_SHIFT: keySym = XK_Shift_L; break;
+ case WXK_CONTROL: keySym = XK_Control_L; break;
+ case WXK_ALT: keySym = XK_Meta_L; break;
+ case WXK_CAPITAL: keySym = XK_Caps_Lock; break;
+ case WXK_MENU : keySym = XK_Menu; break;
+ case WXK_PAUSE: keySym = XK_Pause; break;
+ case WXK_ESCAPE: keySym = XK_Escape; break;
+ case WXK_SPACE: keySym = ' '; break;
+ case WXK_PAGEUP: keySym = XK_Prior; break;
+ case WXK_PAGEDOWN: keySym = XK_Next; break;
+ case WXK_END: keySym = XK_End; break;
+ case WXK_HOME : keySym = XK_Home; break;
+ case WXK_LEFT : keySym = XK_Left; break;
+ case WXK_UP: keySym = XK_Up; break;
+ case WXK_RIGHT: keySym = XK_Right; break;
+ case WXK_DOWN : keySym = XK_Down; break;
+ case WXK_SELECT: keySym = XK_Select; break;
+ case WXK_PRINT: keySym = XK_Print; break;
+ case WXK_EXECUTE: keySym = XK_Execute; break;
+ case WXK_INSERT: keySym = XK_Insert; break;
+ case WXK_DELETE: keySym = XK_Delete; break;
+ case WXK_HELP : keySym = XK_Help; break;
+ case WXK_NUMPAD0: keySym = XK_KP_0; break; case WXK_NUMPAD_INSERT: keySym = XK_KP_Insert; break;
+ case WXK_NUMPAD1: keySym = XK_KP_1; break; case WXK_NUMPAD_END: keySym = XK_KP_End; break;
+ case WXK_NUMPAD2: keySym = XK_KP_2; break; case WXK_NUMPAD_DOWN: keySym = XK_KP_Down; break;
+ case WXK_NUMPAD3: keySym = XK_KP_3; break; case WXK_NUMPAD_PAGEDOWN: keySym = XK_KP_Page_Down; break;
+ case WXK_NUMPAD4: keySym = XK_KP_4; break; case WXK_NUMPAD_LEFT: keySym = XK_KP_Left; break;
+ case WXK_NUMPAD5: keySym = XK_KP_5; break;
+ case WXK_NUMPAD6: keySym = XK_KP_6; break; case WXK_NUMPAD_RIGHT: keySym = XK_KP_Right; break;
+ case WXK_NUMPAD7: keySym = XK_KP_7; break; case WXK_NUMPAD_HOME: keySym = XK_KP_Home; break;
+ case WXK_NUMPAD8: keySym = XK_KP_8; break; case WXK_NUMPAD_UP: keySym = XK_KP_Up; break;
+ case WXK_NUMPAD9: keySym = XK_KP_9; break; case WXK_NUMPAD_PAGEUP: keySym = XK_KP_Page_Up; break;
+ case WXK_NUMPAD_DECIMAL: keySym = XK_KP_Decimal; break; case WXK_NUMPAD_DELETE: keySym = XK_KP_Delete; break;
+ case WXK_NUMPAD_MULTIPLY: keySym = XK_KP_Multiply; break;
+ case WXK_NUMPAD_ADD: keySym = XK_KP_Add; break;
+ case WXK_NUMPAD_SUBTRACT: keySym = XK_KP_Subtract; break;
+ case WXK_NUMPAD_DIVIDE: keySym = XK_KP_Divide; break;
+ case WXK_NUMPAD_ENTER: keySym = XK_KP_Enter; break;
+ case WXK_NUMPAD_SEPARATOR: keySym = XK_KP_Separator; break;
+ case WXK_F1: keySym = XK_F1; break;
+ case WXK_F2: keySym = XK_F2; break;
+ case WXK_F3: keySym = XK_F3; break;
+ case WXK_F4: keySym = XK_F4; break;
+ case WXK_F5: keySym = XK_F5; break;
+ case WXK_F6: keySym = XK_F6; break;
+ case WXK_F7: keySym = XK_F7; break;
+ case WXK_F8: keySym = XK_F8; break;
+ case WXK_F9: keySym = XK_F9; break;
+ case WXK_F10: keySym = XK_F10; break;
+ case WXK_F11: keySym = XK_F11; break;
+ case WXK_F12: keySym = XK_F12; break;
+ case WXK_F13: keySym = XK_F13; break;
+ case WXK_F14: keySym = XK_F14; break;
+ case WXK_F15: keySym = XK_F15; break;
+ case WXK_F16: keySym = XK_F16; break;
+ case WXK_F17: keySym = XK_F17; break;
+ case WXK_F18: keySym = XK_F18; break;
+ case WXK_F19: keySym = XK_F19; break;
+ case WXK_F20: keySym = XK_F20; break;
+ case WXK_F21: keySym = XK_F21; break;
+ case WXK_F22: keySym = XK_F22; break;
+ case WXK_F23: keySym = XK_F23; break;
+ case WXK_F24: keySym = XK_F24; break;
+ case WXK_NUMLOCK: keySym = XK_Num_Lock; break;
+ case WXK_SCROLL: keySym = XK_Scroll_Lock; break;
+ default: keySym = id <= 255 ? (KeySym)id : 0;
+ }
+
+ return keySym;
+}
+
+
+// ----------------------------------------------------------------------------
+// check current state of a key
+// ----------------------------------------------------------------------------
+
+bool wxGetKeyState(wxKeyCode key)
+{
+ wxASSERT_MSG(key != WXK_LBUTTON && key != WXK_RBUTTON && key !=
+ WXK_MBUTTON, wxT("can't use wxGetKeyState() for mouse buttons"));
+
+ Display *pDisplay = (Display*) wxGetDisplay();
+
+ int iKey = wxCharCodeWXToX(key);
+ int iKeyMask = 0;
+ Window wDummy1, wDummy2;
+ int iDummy3, iDummy4, iDummy5, iDummy6;
+ unsigned int iMask;
+ KeyCode keyCode = XKeysymToKeycode(pDisplay,iKey);
+ if (keyCode == NoSymbol)
+ return false;
+
+ if ( IsModifierKey(iKey) ) // If iKey is a modifier key, use a different method
+ {
+ XModifierKeymap *map = XGetModifierMapping(pDisplay);
+ wxCHECK_MSG( map, false, _T("failed to get X11 modifiers map") );
+
+ for (int i = 0; i < 8; ++i)
+ {
+ if ( map->modifiermap[map->max_keypermod * i] == keyCode)
+ {
+ iKeyMask = 1 << i;
+ }
+ }
+
+ XQueryPointer(pDisplay, DefaultRootWindow(pDisplay), &wDummy1, &wDummy2,
+ &iDummy3, &iDummy4, &iDummy5, &iDummy6, &iMask );
+ XFreeModifiermap(map);
+ return (iMask & iKeyMask) != 0;
+ }
+
+ // From the XLib manual:
+ // The XQueryKeymap() function returns a bit vector for the logical state of the keyboard,
+ // where each bit set to 1 indicates that the corresponding key is currently pressed down.
+ // The vector is represented as 32 bytes. Byte N (from 0) contains the bits for keys 8N to 8N + 7
+ // with the least-significant bit in the byte representing key 8N.
+ char key_vector[32];
+ XQueryKeymap(pDisplay, key_vector);
+ return key_vector[keyCode >> 3] & (1 << (keyCode & 7));
+}