Ejemplo n.º 1
0
Archivo: XkbMap.cs Proyecto: guytp/ztk
        private XkbKeyPressData TrackKey(uint keyCode, uint state)
        {
            // Determine the keysym for this before any event as it may impact if we read it afterwards
            KeyboardKey key = XkbStateKeySym(_stateHandle, keyCode);

            if (state == 0)
            {
                _keyboardState.KeyRemove(key, keyCode);
            }
            else
            {
                _keyboardState.KeyAdd(key, keyCode);
            }

            // Update our current tracking state
            uint stateModsEffective = (1 << 3);
            uint newState           = XkbStateUpdateKey(_stateHandle, keyCode, state);

            if ((newState & stateModsEffective) != 0)
            {
                List <KeyboardModifier> modifiers = new List <KeyboardModifier>();
                if (XkbStateModNameIsActive(_stateHandle, "Shift", stateModsEffective) == 1)
                {
                    modifiers.Add(KeyboardModifier.Shift);
                }
                if (XkbStateModNameIsActive(_stateHandle, "Lock", stateModsEffective) == 1)
                {
                    modifiers.Add(KeyboardModifier.CapsLock);
                }
                if (XkbStateModNameIsActive(_stateHandle, "Control", stateModsEffective) == 1)
                {
                    modifiers.Add(KeyboardModifier.Control);
                }
                if (XkbStateModNameIsActive(_stateHandle, "Mod1", stateModsEffective) == 1)
                {
                    modifiers.Add(KeyboardModifier.Alt);
                }
                if (XkbStateModNameIsActive(_stateHandle, "Mod2", stateModsEffective) == 1)
                {
                    modifiers.Add(KeyboardModifier.NumLock);
                }
                if (XkbStateModNameIsActive(_stateHandle, "Mod4", stateModsEffective) == 1)
                {
                    modifiers.Add(KeyboardModifier.Logo);
                }
                _keyboardState.ModifiersUpdate(modifiers);

                // Update any key codes that have changed - i.e. A to a when shift is depressed
                uint[]        keyCodes = _keyboardState.KeyCodes;
                KeyboardKey[] keys     = _keyboardState.Keys;
                foreach (uint thisKeyCode in keyCodes)
                {
                    KeyboardKey thisKey = XkbStateKeySym(_stateHandle, thisKeyCode);
                    if (!keys.Contains(thisKey))
                    {
                        _keyboardState.KeyAdd(thisKey, thisKeyCode);
                    }
                }
            }

            // Return press data
            return(GetPressData(key, keyCode));
        }