Beispiel #1
0
        private void KeyModifierCheck(object sender, EventArgs e)
#endif
        {
            if (CtrlPressed)
            {
                if (!KeyBoard.IsKeyDown(Key.LeftCtrl) && !KeyBoard.IsKeyDown(Key.RightCtrl))
                {
                    CtrlPressed = false;
                }
            }

            if (ShiftPressed)
            {
                if (!KeyBoard.IsKeyDown(Key.LeftShift) && !KeyBoard.IsKeyDown(Key.RightShift))
                {
                    ShiftPressed = false;
                }
            }

            if (AltPressed)
            {
                if (!KeyBoard.IsKeyDown(Key.LeftAlt) && !KeyBoard.IsKeyDown(Key.RightAlt) && !KeyBoard.IsKeyDown(Key.System))
                {
                    AltPressed = false;
                }
            }

            if (!CtrlPressed && !ShiftPressed && !AltPressed)
            {
                keyCheck.Stop();
            }
        }
Beispiel #2
0
        /// <summary>
        /// This method handles the list view scrolling keys for the specified dependency object.
        /// </summary>
        /// <param name="element">Dependency object</param>
        /// <param name="e">Key event arguments</param>
        /// <remarks>
        /// Handled keys: Up, Down, (Ctrl+)PageUp, (Ctrl+)PageDown, Home, End
        /// </remarks>
        public static void HandleListViewKeyEvents(this DependencyObject element, KeyEventArgs e)
        {
            var stack = element.GetInnerStackPanel();

            if (stack == null)
            {
                return;
            }

            var sw = element.GetScrollViewer();

            if (sw == null)
            {
                return;
            }

            var ctrlPressed = WindowsKeyboard.IsKeyDown(Key.LeftCtrl) || WindowsKeyboard.IsKeyDown(Key.RightCtrl);
            var multiplier  = ctrlPressed ? 10 : 1;

            switch (e.Key)
            {
            case Key.Up:
                sw.ScrollToVerticalOffset(stack.VerticalOffset - 1.0);
                e.Handled = true;
                break;

            case Key.Down:
                sw.ScrollToVerticalOffset(stack.VerticalOffset + 1.0);
                e.Handled = true;
                break;

            case Key.PageUp:
                sw.ScrollToVerticalOffset(stack.VerticalOffset - stack.ViewportHeight * multiplier);
                e.Handled = true;
                break;

            case Key.PageDown:
                sw.ScrollToVerticalOffset(stack.VerticalOffset + stack.ViewportHeight * multiplier);
                e.Handled = true;
                break;

            case Key.Home:
                if (ctrlPressed)
                {
                    sw.ScrollToTop();
                    e.Handled = true;
                }
                break;

            case Key.End:
                if (ctrlPressed)
                {
                    sw.ScrollToBottom();
                    e.Handled = true;
                }
                break;
            }
        }
Beispiel #3
0
        void Editor_PreviewKeyUp(object sender, KeyEventArgs e)
        {
            switch (e.Key)
            {
            case Key.Back:
            case Key.Delete:
                DeleteMissingVisualLabels();

                break;

            case Key.C:
            case Key.V:
            case Key.X:
                if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
                {
                    DeleteMissingVisualLabels();
                }

                break;
            }
        }
        protected KeyModifiers GetKeyboardModifiers()
        {
            KeyModifiers mod = KeyModifiers.None;

            if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
            {
                mod |= KeyModifiers.Ctrl;
            }
            if (Keyboard.IsKeyDown(Key.LeftShift) || Keyboard.IsKeyDown(Key.RightShift))
            {
                mod |= KeyModifiers.Shift;
            }
            if (Keyboard.IsKeyDown(Key.LeftAlt) || Keyboard.IsKeyDown(Key.RightAlt))
            {
                mod |= KeyModifiers.Alt;
            }
            if (Keyboard.IsKeyDown(Key.LWin) || Keyboard.IsKeyDown(Key.RWin))
            {
                mod |= KeyModifiers.Win;
            }

            return(mod);
        }
        // AltNumpad key handler
        private bool HandleAltNumpadEntry(Key key, int scanCode, bool isExtendedKey)
        {
            bool handled = false;

            Debug.Assert(_altNumpadEntryMode);

            // All Numpad keys (either numlock or not) are not an extended key.
            // We're interested in only NumPad key so we can filter them first.
            if (isExtendedKey)
            {
                return(handled);
            }

            // If Alt key is up, we will quit AltNumpadEntryMode.
            if (!Keyboard.IsKeyDown(Key.LeftAlt) && !Keyboard.IsKeyDown(Key.RightAlt))
            {
                return(false);
            }

            //
            // Windows has historically offered a back-door for entering
            // characters that are not available on the keyboard.  The
            // user can hold down one of the Alt keys, type in the numerical
            // value of the desried character using the num-pad keys, and
            // the release the Alt key.  The numeric value will be converted
            // into Unicode, and a text event will
            // be raised.
            //

            if (scanCode == NumpadScanCode.NumpadDot)
            {
                if (IsHexNumpadEnabled)
                {
                    _altNumpadEntry          = 0;
                    _altNumpadConversionMode = AltNumpadConversionMode.HexDefaultCodePage;
                    handled = true;
                }
                else
                {
                    // reset alt numpad entry and mode.
                    _altNumpadEntry          = 0;
                    _altNumpadConversionMode = AltNumpadConversionMode.OEMCodePage;
                    handled = false;
                }
            }
            else if (scanCode == NumpadScanCode.NumpadPlus)
            {
                if (IsHexNumpadEnabled)
                {
                    _altNumpadEntry          = 0;
                    _altNumpadConversionMode = AltNumpadConversionMode.HexUnicode;
                    handled = true;
                }
                else
                {
                    // reset alt numpad entry and mode.
                    _altNumpadEntry          = 0;
                    _altNumpadConversionMode = AltNumpadConversionMode.OEMCodePage;
                    handled = false;
                }
            }
            else
            {
                int newEntry = GetNewEntry(key, scanCode);
                if (newEntry == -1)
                {
                    _altNumpadEntry          = 0;
                    _altNumpadConversionMode = AltNumpadConversionMode.OEMCodePage;

                    // we don't handle this case to cancel TextComposition.
                    handled = false;
                }
                else
                {
                    // If the first key is NumPad0, it is the default codepage.
                    if ((_altNumpadEntry == 0) && (newEntry == 0))
                    {
                        _altNumpadConversionMode = AltNumpadConversionMode.DefaultCodePage;
                    }

                    if (HexConversionMode)
                    {
                        _altNumpadEntry = (_altNumpadEntry * 0x10) + newEntry;
                    }
                    else
                    {
                        _altNumpadEntry = (_altNumpadEntry * 10) + newEntry;
                    }

                    handled = true;
                }
            }
            return(handled);
        }
Beispiel #6
0
        public void KeyToChar(Key key, ref IoCmd_t KeyDecode)
        {
            bool iscap;
            //bool caplock;
            bool shift;

            KeyDecode.key = key;

            KeyDecode.alt = Keyboard.IsKeyDown(Key.LeftAlt) ||
                            Keyboard.IsKeyDown(Key.RightAlt);

            KeyDecode.ctrl = Keyboard.IsKeyDown(Key.LeftCtrl) ||
                             Keyboard.IsKeyDown(Key.RightCtrl);

            KeyDecode.shift = Keyboard.IsKeyDown(Key.LeftShift) ||
                              Keyboard.IsKeyDown(Key.RightShift);

            if (KeyDecode.alt || KeyDecode.ctrl)
            {
                KeyDecode.printable = false;
                KeyDecode.type      = 1;
            }
            else
            {
                KeyDecode.printable = true;
                KeyDecode.type      = 0;
            }

            shift = KeyDecode.shift;
            //caplock = Console.CapsLock; //Keyboard.IsKeyToggled(Key.CapsLock);
            //iscap = (caplock && !shift) || (!caplock && shift);

            iscap = false;

            switch (key)
            {
            case Key.Enter: KeyDecode.character = '\n'; return;

            case Key.A: KeyDecode.character = (iscap ? 'A' : 'a'); return;

            case Key.B: KeyDecode.character = (iscap ? 'B' : 'b'); return;

            case Key.C: KeyDecode.character = (iscap ? 'C' : 'c'); return;

            case Key.D: KeyDecode.character = (iscap ? 'D' : 'd'); return;

            case Key.E: KeyDecode.character = (iscap ? 'E' : 'e'); return;

            case Key.F: KeyDecode.character = (iscap ? 'F' : 'f'); return;

            case Key.G: KeyDecode.character = (iscap ? 'G' : 'g'); return;

            case Key.H: KeyDecode.character = (iscap ? 'H' : 'h'); return;

            case Key.I: KeyDecode.character = (iscap ? 'I' : 'i'); return;

            case Key.J: KeyDecode.character = (iscap ? 'J' : 'j'); return;

            case Key.K: KeyDecode.character = (iscap ? 'K' : 'k'); return;

            case Key.L: KeyDecode.character = (iscap ? 'L' : 'l'); return;

            case Key.M: KeyDecode.character = (iscap ? 'M' : 'm'); return;

            case Key.N: KeyDecode.character = (iscap ? 'N' : 'n'); return;

            case Key.O: KeyDecode.character = (iscap ? 'O' : 'o'); return;

            case Key.P: KeyDecode.character = (iscap ? 'P' : 'p'); return;

            case Key.Q: KeyDecode.character = (iscap ? 'Q' : 'q'); return;

            case Key.R: KeyDecode.character = (iscap ? 'R' : 'r'); return;

            case Key.S: KeyDecode.character = (iscap ? 'S' : 's'); return;

            case Key.T: KeyDecode.character = (iscap ? 'T' : 't'); return;

            case Key.U: KeyDecode.character = (iscap ? 'U' : 'u'); return;

            case Key.V: KeyDecode.character = (iscap ? 'V' : 'v'); return;

            case Key.W: KeyDecode.character = (iscap ? 'W' : 'w'); return;

            case Key.X: KeyDecode.character = (iscap ? 'X' : 'x'); return;

            case Key.Y: KeyDecode.character = (iscap ? 'Y' : 'y'); return;

            case Key.Z: KeyDecode.character = (iscap ? 'Z' : 'z'); return;

            case Key.D0: KeyDecode.character = (shift ? ')' : '0'); return;

            case Key.D1: KeyDecode.character = (shift ? '!' : '1'); return;

            case Key.D2: KeyDecode.character = (shift ? '@' : '2'); return;

            case Key.D3: KeyDecode.character = (shift ? '#' : '3'); return;

            case Key.D4: KeyDecode.character = (shift ? '$' : '4'); return;

            case Key.D5: KeyDecode.character = (shift ? '%' : '5'); return;

            case Key.D6: KeyDecode.character = (shift ? '^' : '6'); return;

            case Key.D7: KeyDecode.character = (shift ? '&' : '7'); return;

            case Key.D8: KeyDecode.character = (shift ? '*' : '8'); return;

            case Key.D9: KeyDecode.character = (shift ? '(' : '9'); return;

            case Key.OemPlus: KeyDecode.character = (shift ? '+' : '='); return;

            case Key.OemMinus: KeyDecode.character = (shift ? '_' : '-'); return;

            case Key.OemQuestion: KeyDecode.character = (shift ? '?' : '/'); return;

            case Key.OemComma: KeyDecode.character = (shift ? '<' : ','); return;

            case Key.OemPeriod: KeyDecode.character = (shift ? '>' : '.'); return;

            case Key.OemOpenBrackets: KeyDecode.character = (shift ? '{' : '['); return;

            case Key.OemQuotes: KeyDecode.character = (shift ? '"' : '\''); return;

            case Key.Oem1: KeyDecode.character = (shift ? ':' : ';'); return;

            case Key.Oem3: KeyDecode.character = (shift ? '~' : '`'); return;

            case Key.Oem5: KeyDecode.character = (shift ? '|' : '\\'); return;

            case Key.Oem6: KeyDecode.character = (shift ? '}' : ']'); return;

            case Key.Tab: KeyDecode.character = '\t'; return;

            case Key.Space: KeyDecode.character = ' '; return;

            // Number Pad
            case Key.NumPad0: KeyDecode.character = '0'; return;

            case Key.NumPad1: KeyDecode.character = '1'; return;

            case Key.NumPad2: KeyDecode.character = '2'; return;

            case Key.NumPad3: KeyDecode.character = '3'; return;

            case Key.NumPad4: KeyDecode.character = '4'; return;

            case Key.NumPad5: KeyDecode.character = '5'; return;

            case Key.NumPad6: KeyDecode.character = '6'; return;

            case Key.NumPad7: KeyDecode.character = '7'; return;

            case Key.NumPad8: KeyDecode.character = '8'; return;

            case Key.NumPad9: KeyDecode.character = '9'; return;

            case Key.Subtract: KeyDecode.character = '-'; return;

            case Key.Add: KeyDecode.character = '+'; return;

            case Key.Decimal: KeyDecode.character = '.'; return;

            case Key.Divide: KeyDecode.character = '/'; return;

            case Key.Multiply: KeyDecode.character = '*'; return;

            default:
                KeyDecode.type      = 1;
                KeyDecode.printable = false;
                KeyDecode.character = '\x00';
                return;
            }
        }