Ejemplo n.º 1
0
        // Key handling
        /// <summary>
        ///   This method can be overwritten by view that
        ///     want to provide accelerator functionality
        ///     (Alt-key for example).
        /// </summary>
        /// <remarks>
        ///   <para>
        ///     Before keys are sent to the subview on the
        ///     current view, all the views are
        ///     processed and the key is passed to the widgets
        ///     to allow some of them to process the keystroke
        ///     as a hot-key. </para>
        ///  <para>
        ///     For example, if you implement a button that
        ///     has a hotkey ok "o", you would catch the
        ///     combination Alt-o here.  If the event is
        ///     caught, you must return true to stop the
        ///     keystroke from being dispatched to other
        ///     views.
        ///  </para>
        /// </remarks>

        public virtual bool ProcessHotKey(KeyEvent kb)
        {
            return(false);
        }
Ejemplo n.º 2
0
        void ProcessInput(Action <KeyEvent> keyHandler, Action <KeyEvent> keyDownHandler, Action <KeyEvent> keyUpHandler, Action <MouseEvent> mouseHandler)
        {
            int wch;
            var code = Curses.get_wch(out wch);

            if (code == Curses.ERR)
            {
                return;
            }

            keyModifiers = new KeyModifiers();
            Key k = Key.Null;

            if (code == Curses.KEY_CODE_YES)
            {
                if (wch == Curses.KeyResize)
                {
                    if (Curses.CheckWinChange())
                    {
                        TerminalResized?.Invoke();
                        return;
                    }
                }
                if (wch == Curses.KeyMouse)
                {
                    Curses.getmouse(out Curses.MouseEvent ev);
                    //System.Diagnostics.Debug.WriteLine ($"ButtonState: {ev.ButtonState}; ID: {ev.ID}; X: {ev.X}; Y: {ev.Y}; Z: {ev.Z}");
                    mouseHandler(ToDriverMouse(ev));
                    return;
                }
                k = MapCursesKey(wch);
                if (wch >= 277 && wch <= 288)                   // Shift+(F1 - F12)
                {
                    wch -= 12;
                    k    = Key.ShiftMask | MapCursesKey(wch);
                }
                else if (wch >= 289 && wch <= 300)                     // Ctrl+(F1 - F12)
                {
                    wch -= 24;
                    k    = Key.CtrlMask | MapCursesKey(wch);
                }
                else if (wch >= 301 && wch <= 312)                     // Ctrl+Shift+(F1 - F12)
                {
                    wch -= 36;
                    k    = Key.CtrlMask | Key.ShiftMask | MapCursesKey(wch);
                }
                else if (wch >= 313 && wch <= 324)                     // Alt+(F1 - F12)
                {
                    wch -= 48;
                    k    = Key.AltMask | MapCursesKey(wch);
                }
                else if (wch >= 325 && wch <= 327)                     // Shift+Alt+(F1 - F3)
                {
                    wch -= 60;
                    k    = Key.ShiftMask | Key.AltMask | MapCursesKey(wch);
                }
                keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
                keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
                keyUpHandler(new KeyEvent(k, MapKeyModifiers(k)));
                return;
            }

            // Special handling for ESC, we want to try to catch ESC+letter to simulate alt-letter as well as Alt-Fkey
            if (wch == 27)
            {
                Curses.timeout(200);

                code = Curses.get_wch(out int wch2);

                if (code == Curses.KEY_CODE_YES)
                {
                    k = Key.AltMask | MapCursesKey(wch);
                }
                if (code == 0)
                {
                    KeyEvent key;

                    // The ESC-number handling, debatable.
                    // Simulates the AltMask itself by pressing Alt + Space.
                    if (wch2 == (int)Key.Space)
                    {
                        k = Key.AltMask;
                    }
                    else if (wch2 - (int)Key.Space >= (uint)Key.A && wch2 - (int)Key.Space <= (uint)Key.Z)
                    {
                        k = (Key)((uint)Key.AltMask + (wch2 - (int)Key.Space));
                    }
                    else if (wch2 >= (uint)Key.A - 64 && wch2 <= (uint)Key.Z - 64)
                    {
                        k = (Key)((uint)(Key.AltMask | Key.CtrlMask) + (wch2 + 64));
                    }
                    else if (wch2 >= (uint)Key.D0 && wch2 <= (uint)Key.D9)
                    {
                        k = (Key)((uint)Key.AltMask + (uint)Key.D0 + (wch2 - (uint)Key.D0));
                    }
                    else if (wch2 == 27)
                    {
                        k = (Key)wch2;
                    }
                    else if (wch2 == Curses.KEY_CODE_SEQ)
                    {
                        int [] c = null;
                        while (code == 0)
                        {
                            code = Curses.get_wch(out wch2);
                            if (wch2 > 0)
                            {
                                Array.Resize(ref c, c == null ? 1 : c.Length + 1);
                                c [c.Length - 1] = wch2;
                            }
                        }
                        if (c [0] == 49 && c [1] == 59 && c [2] == 55 && c [3] >= 80 && c [3] <= 83)                           // Ctrl+Alt+(F1 - F4)
                        {
                            wch2 = c [3] + 185;
                            k    = Key.CtrlMask | Key.AltMask | MapCursesKey(wch2);
                        }
                        else if (c [0] == 49 && c [2] == 59 && c [3] == 55 && c [4] == 126 && c [1] >= 53 && c [1] <= 57)                             // Ctrl+Alt+(F5 - F8)
                        {
                            wch2 = c [1] == 53 ? c [1] + 216 : c [1] + 215;
                            k    = Key.CtrlMask | Key.AltMask | MapCursesKey(wch2);
                        }
                        else if (c [0] == 50 && c [2] == 59 && c [3] == 55 && c [4] == 126 && c [1] >= 48 && c [1] <= 52)                             // Ctrl+Alt+(F9 - F12)
                        {
                            wch2 = c [1] < 51 ? c [1] + 225 : c [1] + 224;
                            k    = Key.CtrlMask | Key.AltMask | MapCursesKey(wch2);
                        }
                        else if (c [0] == 49 && c [1] == 59 && c [2] == 56 && c [3] >= 80 && c [3] <= 83)                             // Ctrl+Shift+Alt+(F1 - F4)
                        {
                            wch2 = c [3] + 185;
                            k    = Key.CtrlMask | Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
                        }
                        else if (c [0] == 49 && c [2] == 59 && c [3] == 56 && c [4] == 126 && c [1] >= 53 && c [1] <= 57)                             // Ctrl+Shift+Alt+(F5 - F8)
                        {
                            wch2 = c [1] == 53 ? c [1] + 216 : c [1] + 215;
                            k    = Key.CtrlMask | Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
                        }
                        else if (c [0] == 50 && c [2] == 59 && c [3] == 56 && c [4] == 126 && c [1] >= 48 && c [1] <= 52)                              // Ctrl+Shift+Alt+(F9 - F12)
                        {
                            wch2 = c [1] < 51 ? c [1] + 225 : c [1] + 224;
                            k    = Key.CtrlMask | Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
                        }
                        else if (c [0] == 49 && c [1] == 59 && c [2] == 52 && c [3] == 83)                              // Shift+Alt+(F4)
                        {
                            wch2 = 268;
                            k    = Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
                        }
                        else if (c [0] == 49 && c [2] == 59 && c [3] == 52 && c [4] == 126 && c [1] >= 53 && c [1] <= 57)                              // Shift+Alt+(F5 - F8)
                        {
                            wch2 = c [1] < 55 ? c [1] + 216 : c [1] + 215;
                            k    = Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
                        }
                        else if (c [0] == 50 && c [2] == 59 && c [3] == 52 && c [4] == 126 && c [1] >= 48 && c [1] <= 52)                              // Shift+Alt+(F9 - F12)
                        {
                            wch2 = c [1] < 51 ? c [1] + 225 : c [1] + 224;
                            k    = Key.ShiftMask | Key.AltMask | MapCursesKey(wch2);
                        }
                        else if (c [0] == 54 && c [1] == 59 && c [2] == 56 && c [3] == 126)                              // Shift+Ctrl+Alt+KeyNPage
                        {
                            k = Key.ShiftMask | Key.CtrlMask | Key.AltMask | Key.PageDown;
                        }
                        else if (c [0] == 53 && c [1] == 59 && c [2] == 56 && c [3] == 126)                              // Shift+Ctrl+Alt+KeyPPage
                        {
                            k = Key.ShiftMask | Key.CtrlMask | Key.AltMask | Key.PageUp;
                        }
                        else if (c [0] == 49 && c [1] == 59 && c [2] == 56 && c [3] == 72)                              // Shift+Ctrl+Alt+KeyHome
                        {
                            k = Key.ShiftMask | Key.CtrlMask | Key.AltMask | Key.Home;
                        }
                        else if (c [0] == 49 && c [1] == 59 && c [2] == 56 && c [3] == 70)                              // Shift+Ctrl+Alt+KeyEnd
                        {
                            k = Key.ShiftMask | Key.CtrlMask | Key.AltMask | Key.End;
                        }
                        else
                        {
                            k = MapCursesKey(wch2);
                        }
                    }
                    else
                    {
                        // Unfortunately there are no way to differentiate Ctrl+Alt+alfa and Ctrl+Shift+Alt+alfa.
                        if (((Key)wch2 & Key.CtrlMask) != 0)
                        {
                            keyModifiers.Ctrl = true;
                        }
                        if (wch2 == 0)
                        {
                            k = Key.CtrlMask | Key.AltMask | Key.Space;
                        }
                        else if (wch >= (uint)Key.A && wch <= (uint)Key.Z)
                        {
                            keyModifiers.Shift = true;
                            keyModifiers.Alt   = true;
                        }
                        else if (wch2 < 256)
                        {
                            k = (Key)wch2;
                            keyModifiers.Alt = true;
                        }
                        else
                        {
                            k = (Key)((uint)(Key.AltMask | Key.CtrlMask) + wch2);
                        }
                    }
                    key = new KeyEvent(k, MapKeyModifiers(k));
                    keyDownHandler(key);
                    keyHandler(key);
                }
                else
                {
                    k = Key.Esc;
                    keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
                }
            }
            else if (wch == Curses.KeyTab)
            {
                k = MapCursesKey(wch);
                keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
                keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
            }
            else
            {
                // Unfortunately there are no way to differentiate Ctrl+alfa and Ctrl+Shift+alfa.
                k = (Key)wch;
                if (wch == 0)
                {
                    k = Key.CtrlMask | Key.Space;
                }
                else if (wch >= (uint)Key.A - 64 && wch <= (uint)Key.Z - 64)
                {
                    if ((Key)(wch + 64) != Key.J)
                    {
                        k = Key.CtrlMask | (Key)(wch + 64);
                    }
                }
                else if (wch >= (uint)Key.A && wch <= (uint)Key.Z)
                {
                    keyModifiers.Shift = true;
                }
                keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
                keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
                keyUpHandler(new KeyEvent(k, MapKeyModifiers(k)));
            }
            // Cause OnKeyUp and OnKeyPressed. Note that the special handling for ESC above
            // will not impact KeyUp.
            // This is causing ESC firing even if another keystroke was handled.
            //if (wch == Curses.KeyTab) {
            //	keyUpHandler (new KeyEvent (MapCursesKey (wch), keyModifiers));
            //} else {
            //	keyUpHandler (new KeyEvent ((Key)wch, keyModifiers));
            //}
        }
Ejemplo n.º 3
0
 /// <summary>
 ///   This method can be overwritten by views that
 ///     want to provide accelerator functionality
 ///     (Alt-key for example), but without
 ///     interefering with normal ProcessKey behavior.
 /// </summary>
 /// <remarks>
 ///   <para>
 ///     After keys are sent to the subviews on the
 ///     current view, all the view are
 ///     processed and the key is passed to the views
 ///     to allow some of them to process the keystroke
 ///     as a cold-key. </para>
 ///  <para>
 ///    This functionality is used, for example, by
 ///    default buttons to act on the enter key.
 ///    Processing this as a hot-key would prevent
 ///    non-default buttons from consuming the enter
 ///    keypress when they have the focus.
 ///  </para>
 /// </remarks>
 /// <param name="keyEvent">Contains the details about the key that produced the event.</param>
 public virtual bool ProcessColdKey(KeyEvent keyEvent)
 {
     return(false);
 }
Ejemplo n.º 4
0
 /// <summary>
 /// Method invoked when a key is released.
 /// </summary>
 /// <param name="keyEvent">Contains the details about the key that produced the event.</param>
 /// <returns>true if the event was handled</returns>
 public virtual bool OnKeyUp(KeyEvent keyEvent)
 {
     return(false);
 }
Ejemplo n.º 5
0
        void ProcessInput(Action <KeyEvent> keyHandler, Action <KeyEvent> keyDownHandler, Action <KeyEvent> keyUpHandler, Action <MouseEvent> mouseHandler)
        {
            int wch;
            var code = Curses.get_wch(out wch);

            if (code == Curses.ERR)
            {
                return;
            }

            keyModifiers = new KeyModifiers();
            Key k;

            if (code == Curses.KEY_CODE_YES)
            {
                if (wch == Curses.KeyResize)
                {
                    if (Curses.CheckWinChange())
                    {
                        TerminalResized?.Invoke();
                        return;
                    }
                }
                if (wch == Curses.KeyMouse)
                {
                    Curses.getmouse(out Curses.MouseEvent ev);
                    //System.Diagnostics.Debug.WriteLine ($"ButtonState: {ev.ButtonState}; ID: {ev.ID}; X: {ev.X}; Y: {ev.Y}; Z: {ev.Z}");
                    mouseHandler(ToDriverMouse(ev));
                    return;
                }
                keyHandler(new KeyEvent(MapCursesKey(wch), keyModifiers));
                keyUpHandler(new KeyEvent(MapCursesKey(wch), keyModifiers));
                return;
            }

            // Special handling for ESC, we want to try to catch ESC+letter to simulate alt-letter as well as Alt-Fkey
            if (wch == 27)
            {
                Curses.timeout(200);

                code = Curses.get_wch(out int wch2);

                if (code == Curses.KEY_CODE_YES)
                {
                    k = Key.AltMask | MapCursesKey(wch);
                    keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
                }
                if (code == 0)
                {
                    KeyEvent key;

                    // The ESC-number handling, debatable.
                    // Simulates the AltMask itself by pressing Alt + Space.
                    if (wch2 == (int)Key.Space)
                    {
                        k   = Key.AltMask;
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    else if (wch2 - (int)Key.Space >= 'A' && wch2 - (int)Key.Space <= 'Z')
                    {
                        k   = (Key)((uint)Key.AltMask + (wch2 - (int)Key.Space));
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    else if (wch2 >= '1' && wch <= '9')
                    {
                        k   = (Key)((int)Key.F1 + (wch2 - '0' - 1));
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    else if (wch2 == '0')
                    {
                        k   = Key.F10;
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    else if (wch2 == 27)
                    {
                        k   = (Key)wch2;
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    else
                    {
                        k   = Key.AltMask | (Key)wch2;
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    keyHandler(key);
                }
                else
                {
                    k = Key.Esc;
                    keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
                }
            }
            else if (wch == Curses.KeyTab)
            {
                k = MapCursesKey(wch);
                keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
                keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
            }
            else
            {
                k = (Key)wch;
                keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
                keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
            }
            // Cause OnKeyUp and OnKeyPressed. Note that the special handling for ESC above
            // will not impact KeyUp.
            // This is causing ESC firing even if another keystroke was handled.
            //if (wch == Curses.KeyTab) {
            //	keyUpHandler (new KeyEvent (MapCursesKey (wch), keyModifiers));
            //} else {
            //	keyUpHandler (new KeyEvent ((Key)wch, keyModifiers));
            //}
        }
Ejemplo n.º 6
0
        ///<inheritdoc/>
        public override bool ProcessKey(KeyEvent keyEvent)
        {
            if (base.ProcessKey(keyEvent))
            {
                return(true);
            }

            switch (keyEvent.Key)
            {
            case Key.ControlQ:
                // FIXED: stop current execution of this container
                Application.RequestStop();
                break;

            case Key.ControlZ:
                Driver.Suspend();
                return(true);

#if false
            case Key.F5:
                Application.DebugDrawBounds = !Application.DebugDrawBounds;
                SetNeedsDisplay();
                return(true);
#endif
            case Key.Tab:
            case Key.CursorRight:
            case Key.CursorDown:
            case Key.ControlI:             // Unix
                var old = Focused;
                if (!FocusNext())
                {
                    FocusNext();
                }
                if (old != Focused)
                {
                    old?.SetNeedsDisplay();
                    Focused?.SetNeedsDisplay();
                }
                else
                {
                    FocusNearestView(GetToplevelSubviews(true));
                }
                return(true);

            case Key.CursorLeft:
            case Key.CursorUp:
            case Key.BackTab:
                old = Focused;
                if (!FocusPrev())
                {
                    FocusPrev();
                }
                if (old != Focused)
                {
                    old?.SetNeedsDisplay();
                    Focused?.SetNeedsDisplay();
                }
                else
                {
                    FocusNearestView(GetToplevelSubviews(false));
                }
                return(true);

            case Key.ControlL:
                Application.Refresh();
                return(true);
            }
            return(false);
        }
Ejemplo n.º 7
0
        void ProcessInput(Action <KeyEvent> keyHandler, Action <MouseEvent> mouseHandler)
        {
            int wch;
            var code = Curses.get_wch(out wch);

            if (code == Curses.ERR)
            {
                return;
            }
            if (code == Curses.KEY_CODE_YES)
            {
                if (wch == Curses.KeyResize)
                {
                    if (Curses.CheckWinChange())
                    {
                        terminalResized();
                        return;
                    }
                }
                if (wch == Curses.KeyMouse)
                {
                    Curses.MouseEvent ev;
                    Curses.getmouse(out ev);
                    mouseHandler(ToDriverMouse(ev));
                    return;
                }
                keyHandler(new KeyEvent(MapCursesKey(wch)));
                return;
            }

            // Special handling for ESC, we want to try to catch ESC+letter to simulate alt-letter as well as Alt-Fkey
            if (wch == 27)
            {
                Curses.timeout(200);

                code = Curses.get_wch(out wch);
                if (code == Curses.KEY_CODE_YES)
                {
                    keyHandler(new KeyEvent(Key.AltMask | MapCursesKey(wch)));
                }
                if (code == 0)
                {
                    KeyEvent key;

                    // The ESC-number handling, debatable.
                    if (wch >= '1' && wch <= '9')
                    {
                        key = new KeyEvent((Key)((int)Key.F1 + (wch - '0' - 1)));
                    }
                    else if (wch == '0')
                    {
                        key = new KeyEvent(Key.F10);
                    }
                    else if (wch == 27)
                    {
                        key = new KeyEvent((Key)wch);
                    }
                    else
                    {
                        key = new KeyEvent(Key.AltMask | (Key)wch);
                    }
                    keyHandler(key);
                }
                else
                {
                    keyHandler(new KeyEvent(Key.Esc));
                }
            }
            else
            {
                keyHandler(new KeyEvent((Key)wch));
            }
        }
Ejemplo n.º 8
0
        ///<inheritdoc/>
        public override bool ProcessKey(KeyEvent keyEvent)
        {
            if (base.ProcessKey(keyEvent))
            {
                return(true);
            }

            switch (ShortcutHelper.GetModifiersKey(keyEvent))
            {
            case Key k when k == Application.QuitKey:
                // FIXED: stop current execution of this container
                if (Application.MdiTop != null)
                {
                    Application.MdiTop.RequestStop();
                }
                else
                {
                    Application.RequestStop();
                }
                break;

            case Key.Z | Key.CtrlMask:
                Driver.Suspend();
                return(true);

#if false
            case Key.F5:
                Application.DebugDrawBounds = !Application.DebugDrawBounds;
                SetNeedsDisplay();
                return(true);
#endif
            case Key.Tab:
            case Key.CursorRight:
            case Key.CursorDown:
            case Key.I | Key.CtrlMask:             // Unix
                var old = GetDeepestFocusedSubview(Focused);
                if (!FocusNext())
                {
                    FocusNext();
                }
                if (old != Focused && old != Focused?.Focused)
                {
                    old?.SetNeedsDisplay();
                    Focused?.SetNeedsDisplay();
                }
                else
                {
                    FocusNearestView(SuperView?.TabIndexes, Direction.Forward);
                }
                return(true);

            case Key.BackTab | Key.ShiftMask:
            case Key.CursorLeft:
            case Key.CursorUp:
                old = GetDeepestFocusedSubview(Focused);
                if (!FocusPrev())
                {
                    FocusPrev();
                }
                if (old != Focused && old != Focused?.Focused)
                {
                    old?.SetNeedsDisplay();
                    Focused?.SetNeedsDisplay();
                }
                else
                {
                    FocusNearestView(SuperView?.TabIndexes?.Reverse(), Direction.Backward);
                }
                return(true);

            case Key.Tab | Key.CtrlMask:
            case Key key when key == Application.AlternateForwardKey:             // Needed on Unix
                if (Application.MdiTop == null)
                {
                    var top = Modal ? this : Application.Top;
                    top.FocusNext();
                    if (top.Focused == null)
                    {
                        top.FocusNext();
                    }
                    top.SetNeedsDisplay();
                }
                else
                {
                    MoveNext();
                }
                return(true);

            case Key.Tab | Key.ShiftMask | Key.CtrlMask:
            case Key key when key == Application.AlternateBackwardKey:             // Needed on Unix
                if (Application.MdiTop == null)
                {
                    var top = Modal ? this : Application.Top;
                    top.FocusPrev();
                    if (top.Focused == null)
                    {
                        top.FocusPrev();
                    }
                    top.SetNeedsDisplay();
                }
                else
                {
                    MovePrevious();
                }
                return(true);

            case Key.L | Key.CtrlMask:
                Application.Refresh();
                return(true);
            }
            return(false);
        }
Ejemplo n.º 9
0
        ///<inheritdoc/>
        public override bool ProcessKey(KeyEvent e)
        {
            if (e.Key == Key.Tab)
            {
                base.ProcessKey(e);
                return(false);                // allow tab-out to next control
            }

            if (e.Key == Key.Enter && listview.HasFocus)
            {
                if (listview.Source.Count == 0 || searchset.Count == 0)
                {
                    text = "";
                    return(true);
                }

                SetValue(searchset [listview.SelectedItem]);
                search.CursorPosition = search.Text.Length;
                Search_Changed(search, search.Text);
                Changed?.Invoke(this, text);

                searchset.Clear();
                listview.Clear();
                listview.Height = 0;
                this.SetFocus(search);

                return(true);
            }

            if (e.Key == Key.CursorDown && search.HasFocus && listview.SelectedItem == 0 && searchset.Count > 0)               // jump to list
            {
                this.SetFocus(listview);
                SetValue(searchset [listview.SelectedItem]);
                return(true);
            }

            if (e.Key == Key.CursorUp && search.HasFocus)             // stop odd behavior on KeyUp when search has focus
            {
                return(true);
            }

            if (e.Key == Key.CursorUp && listview.HasFocus && listview.SelectedItem == 0 && searchset.Count > 0)             // jump back to search
            {
                search.CursorPosition = search.Text.Length;
                this.SetFocus(search);
                return(true);
            }

            if (e.Key == Key.Esc)
            {
                this.SetFocus(search);
                search.Text = text = "";
                Changed?.Invoke(this, search.Text);
                return(true);
            }

            // Unix emulation
            if (e.Key == Key.ControlU)
            {
                Reset();
                return(true);
            }

            return(base.ProcessKey(e));
        }
Ejemplo n.º 10
0
        void ProcessInput(Action <KeyEvent> keyHandler, Action <KeyEvent> keyDownHandler, Action <KeyEvent> keyUpHandler, Action <MouseEvent> mouseHandler)
        {
            int wch;
            var code = Curses.get_wch(out wch);

            if (code == Curses.ERR)
            {
                return;
            }

            keyModifiers = new KeyModifiers();
            Key k;

            if (code == Curses.KEY_CODE_YES)
            {
                if (wch == Curses.KeyResize)
                {
                    if (Curses.CheckWinChange())
                    {
                        TerminalResized?.Invoke();
                        return;
                    }
                }
                if (wch == Curses.KeyMouse)
                {
                    Curses.MouseEvent ev;
                    Curses.getmouse(out ev);
                    mouseHandler(ToDriverMouse(ev));
                    return;
                }
                keyHandler(new KeyEvent(MapCursesKey(wch), keyModifiers));
                keyUpHandler(new KeyEvent(MapCursesKey(wch), keyModifiers));
                return;
            }

            // Special handling for ESC, we want to try to catch ESC+letter to simulate alt-letter as well as Alt-Fkey
            if (wch == 27)
            {
                Curses.timeout(10);

                code = Curses.get_wch(out int wch2);

                if (code == Curses.KEY_CODE_YES)
                {
                    k = Key.AltMask | MapCursesKey(wch);
                    keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
                }
                if (code == 0)
                {
                    KeyEvent key;

                    // The ESC-number handling, debatable.
                    // Simulates the AltMask itself by pressing Alt + Space.
                    if (wch2 == (int)Key.Space)
                    {
                        k   = Key.AltMask;
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    else if (wch2 - (int)Key.Space >= 'A' && wch2 - (int)Key.Space <= 'Z')
                    {
                        k   = (Key)((uint)Key.AltMask + (wch2 - (int)Key.Space));
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    else if (wch2 >= '1' && wch <= '9')
                    {
                        k   = (Key)((int)Key.F1 + (wch2 - '0' - 1));
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    else if (wch2 == '0')
                    {
                        k   = Key.F10;
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    else if (wch2 == 27)
                    {
                        k   = (Key)wch2;
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    else
                    {
                        k   = Key.AltMask | (Key)wch2;
                        key = new KeyEvent(k, MapKeyModifiers(k));
                    }
                    keyHandler(key);
                }
                else
                {
                    k = Key.Esc;
                    keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
                }
            }
            else if (wch == Curses.KeyTab)
            {
                k = MapCursesKey(wch);
                keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
                keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
            }
            else
            {
                k = (Key)wch;
                // In linux terminals, ControlH and ctrl+backspace send the same keycode
                if (k == Key.ControlH)
                {
                    if (keyModifiers == null)
                    {
                        keyModifiers = new KeyModifiers();
                    }
                    keyModifiers.Ctrl = true;
                    k = Key.Backspace;
                }

                keyDownHandler(new KeyEvent(k, MapKeyModifiers(k)));
                keyHandler(new KeyEvent(k, MapKeyModifiers(k)));
            }
            // Cause OnKeyUp and OnKeyPressed. Note that the special handling for ESC above
            // will not impact KeyUp.
            // This is causing ESC firing even if another keystroke was handled.
            //if (wch == Curses.KeyTab) {
            //	keyUpHandler (new KeyEvent (MapCursesKey (wch), keyModifiers));
            //} else {
            //	keyUpHandler (new KeyEvent ((Key)wch, keyModifiers));
            //}
        }
Ejemplo n.º 11
0
        void IMainLoopDriver.MainIteration()
        {
            if (result == null)
            {
                return;
            }

            var inputEvent = result [0];

            switch (inputEvent.EventType)
            {
            case WindowsConsole.EventType.Key:
                var map = MapKey(ToConsoleKeyInfoEx(inputEvent.KeyEvent));
                if (map == (Key)0xffffffff)
                {
                    KeyEvent key;
                    // Shift = VK_SHIFT = 0x10
                    // Ctrl = VK_CONTROL = 0x11
                    // Alt = VK_MENU = 0x12
                    switch (inputEvent.KeyEvent.wVirtualKeyCode)
                    {
                    case 0x11:
                        key = new KeyEvent(Key.CtrlMask);
                        break;

                    case 0x12:
                        key = new KeyEvent(Key.AltMask);
                        break;

                    default:
                        key = new KeyEvent(Key.Unknown);
                        break;
                    }

                    if (inputEvent.KeyEvent.bKeyDown)
                    {
                        keyDownHandler(key);
                    }
                    else
                    {
                        keyUpHandler(key);
                    }
                }
                else
                {
                    if (inputEvent.KeyEvent.bKeyDown)
                    {
                        // Key Down - Fire KeyDown Event and KeyStroke (ProcessKey) Event
                        keyDownHandler(new KeyEvent(map));
                        keyHandler(new KeyEvent(map));
                    }
                    else
                    {
                        keyUpHandler(new KeyEvent(map));
                    }
                }
                break;

            case WindowsConsole.EventType.Mouse:
                mouseHandler(ToDriverMouse(inputEvent.MouseEvent));
                if (IsButtonReleased)
                {
                    mouseHandler(ToDriverMouse(inputEvent.MouseEvent));
                }
                break;

            case WindowsConsole.EventType.WindowBufferSize:
                cols = inputEvent.WindowBufferSizeEvent.size.X;
                rows = inputEvent.WindowBufferSizeEvent.size.Y;
                ResizeScreen();
                UpdateOffScreen();
                TerminalResized?.Invoke();
                break;
            }
            result = null;
        }