1479 lines
50 KiB
C#
1479 lines
50 KiB
C#
// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (c) 2004 Novell, Inc.
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//
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// Authors:
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// Jackson Harper (jackson@ximian.com)
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//
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//
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//
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// TODO:
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// - dead chars are not translated properly
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// - There is a lot of potential for optimmization in here
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//
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using System;
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using System.Collections;
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using System.Diagnostics;
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using System.Drawing;
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using System.Text;
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using System.Globalization;
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using System.Runtime.InteropServices;
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namespace System.Windows.Forms {
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public enum XLookupStatus
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{
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XBufferOverflow = -1,
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XLookupNone = 1,
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XLookupChars = 2,
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XLookupKeySym = 3,
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XLookupBoth = 4
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}
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internal class X11Keyboard : IDisposable {
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internal static object XlibLock;
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private IntPtr display;
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private IntPtr client_window;
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private IntPtr xim;
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private Hashtable xic_table = new Hashtable ();
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private XIMPositionContext positionContext;
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private XIMCallbackContext callbackContext;
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private XIMProperties ximStyle;
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private EventMask xic_event_mask = EventMask.NoEventMask;
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private StringBuilder lookup_buffer;
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private byte [] lookup_byte_buffer = new byte [100];
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private int min_keycode, max_keycode, keysyms_per_keycode, syms;
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private int [] keyc2vkey = new int [256];
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private int [] keyc2scan = new int [256];
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private byte [] key_state_table = new byte [256];
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private int lcid;
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private bool num_state, cap_state;
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private bool initialized;
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private bool menu_state = false;
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private Encoding encoding;
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private int NumLockMask;
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private int AltGrMask;
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public X11Keyboard (IntPtr display, IntPtr clientWindow)
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{
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this.display = display;
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lookup_buffer = new StringBuilder (24);
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EnsureLayoutInitialized ();
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}
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private Encoding AnsiEncoding
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{
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get
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{
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if (encoding == null)
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encoding = Encoding.GetEncoding(new CultureInfo(lcid).TextInfo.ANSICodePage);
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return encoding;
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}
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}
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public IntPtr ClientWindow {
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get { return client_window; }
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}
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void IDisposable.Dispose ()
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{
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if (xim != IntPtr.Zero) {
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foreach (IntPtr xic in xic_table.Values)
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XDestroyIC (xic);
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xic_table.Clear ();
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XCloseIM (xim);
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xim = IntPtr.Zero;
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}
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}
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public void DestroyICForWindow (IntPtr window)
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{
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IntPtr xic = GetXic (window);
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if (xic != IntPtr.Zero) {
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xic_table.Remove ((long) window);
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XDestroyIC (xic);
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}
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}
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public void EnsureLayoutInitialized ()
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{
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if (initialized)
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return;
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KeyboardLayouts layouts = new KeyboardLayouts ();
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KeyboardLayout layout = DetectLayout (layouts);
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lcid = layout.Lcid;
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CreateConversionArray (layouts, layout);
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SetupXIM ();
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initialized = true;
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}
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private void SetupXIM ()
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{
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xim = IntPtr.Zero;
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if (!XSupportsLocale ()) {
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Console.Error.WriteLine ("X does not support your locale");
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return;
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}
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if (!XSetLocaleModifiers (String.Empty)) {
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Console.Error.WriteLine ("Could not set X locale modifiers");
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return;
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}
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if (Environment.GetEnvironmentVariable (ENV_NAME_XIM_STYLE) == "disabled") {
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return;
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}
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xim = XOpenIM (display, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
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if (xim == IntPtr.Zero)
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Console.Error.WriteLine ("Could not get XIM");
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initialized = true;
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}
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void CreateXicForWindow (IntPtr window)
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{
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IntPtr xic = CreateXic (window, xim);
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xic_table [(long) window] = xic;
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if (xic == IntPtr.Zero)
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Console.Error.WriteLine ("Could not get XIC");
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else {
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if (XGetICValues (xic, "filterEvents", out xic_event_mask, IntPtr.Zero) != null)
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Console.Error.WriteLine ("Could not get XIC values");
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EventMask mask = EventMask.ExposureMask | EventMask.KeyPressMask | EventMask.FocusChangeMask;
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if ((xic_event_mask | mask) == xic_event_mask) {
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xic_event_mask |= mask;
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lock (XlibLock) {
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XplatUIX11.XSelectInput(display, window, new IntPtr ((int) xic_event_mask));
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}
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}
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}
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}
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public EventMask KeyEventMask {
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get { return xic_event_mask; }
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}
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public Keys ModifierKeys {
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get {
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Keys keys = Keys.None;
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if ((key_state_table [(int) VirtualKeys.VK_SHIFT] & 0x80) != 0)
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keys |= Keys.Shift;
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if ((key_state_table [(int) VirtualKeys.VK_CONTROL] & 0x80) != 0)
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keys |= Keys.Control;
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if ((key_state_table [(int) VirtualKeys.VK_MENU] & 0x80) != 0)
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keys |= Keys.Alt;
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return keys;
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}
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}
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private IntPtr GetXic (IntPtr window)
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{
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if (xim != IntPtr.Zero && xic_table.ContainsKey ((long) window))
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return (IntPtr) xic_table [(long) window];
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else
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return IntPtr.Zero;
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}
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private bool FilterKey (XEvent e, int vkey)
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{
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if (XplatUI.key_filters.Count == 0)
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return false;
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XLookupStatus status;
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XKeySym ks;
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KeyFilterData data;
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data.Down = (e.type == XEventName.KeyPress);
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data.ModifierKeys = ModifierKeys;
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LookupString (ref e, 0, out ks, out status);
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data.keysym = (int)ks;
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data.keycode = e.KeyEvent.keycode;
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data.str = lookup_buffer.ToString (0, lookup_buffer.Length);
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return XplatUI.FilterKey (data);
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}
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public void FocusIn (IntPtr window)
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{
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this.client_window = window;
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if (xim == IntPtr.Zero)
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return;
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if (!xic_table.ContainsKey ((long) window))
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CreateXicForWindow (window);
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IntPtr xic = GetXic (window);
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if (xic != IntPtr.Zero)
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XSetICFocus (xic);
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}
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private bool have_Xutf8ResetIC = true;
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public void FocusOut (IntPtr window)
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{
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this.client_window = IntPtr.Zero;
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if (xim == IntPtr.Zero)
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return;
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IntPtr xic = GetXic (window);
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if (xic != IntPtr.Zero) {
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if (have_Xutf8ResetIC) {
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try {
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Xutf8ResetIC (xic);
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} catch (EntryPointNotFoundException) {
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have_Xutf8ResetIC = false;
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}
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}
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XUnsetICFocus (xic);
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}
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}
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public bool ResetKeyState(IntPtr hwnd, ref MSG msg) {
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// FIXME - keep defining events/msg and return true until we've 'restored' all
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// pending keypresses
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if ((key_state_table [(int) VirtualKeys.VK_SHIFT] & 0x80) != 0) {
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key_state_table [(int) VirtualKeys.VK_SHIFT] &= unchecked((byte)~0x80);
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}
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if ((key_state_table [(int) VirtualKeys.VK_CONTROL] & 0x80) != 0) {
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key_state_table [(int) VirtualKeys.VK_CONTROL] &= unchecked((byte)~0x80);
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}
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if ((key_state_table [(int) VirtualKeys.VK_MENU] & 0x80) != 0) {
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key_state_table [(int) VirtualKeys.VK_MENU] &= unchecked((byte)~0x80);
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}
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return false;
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}
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// Almost identical to UpdateKeyState() but does not call LookupString().
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// The actual purpose is to handle shift state correctly.
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public void PreFilter (XEvent xevent)
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{
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// It is still possible that some keyboards could have some shift
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// keys outside this range, but let's think about such cases only
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// if it actually happened.
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if (xevent.KeyEvent.keycode >= keyc2vkey.Length)
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return;
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int vkey = keyc2vkey [xevent.KeyEvent.keycode];
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switch (xevent.type) {
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case XEventName.KeyRelease:
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key_state_table [vkey & 0xff] &= unchecked ((byte) ~0x80);
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break;
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case XEventName.KeyPress:
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if ((key_state_table [vkey & 0xff] & 0x80) == 0) {
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key_state_table [vkey & 0xff] ^= 0x01;
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}
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key_state_table [vkey & 0xff] |= 0x80;
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break;
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}
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}
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public void KeyEvent (IntPtr hwnd, XEvent xevent, ref MSG msg)
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{
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XKeySym keysym;
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int ascii_chars;
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XLookupStatus status;
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ascii_chars = LookupString (ref xevent, 24, out keysym, out status);
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if (((int) keysym >= (int) MiscKeys.XK_ISO_Lock &&
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(int) keysym <= (int) MiscKeys.XK_ISO_Last_Group_Lock) ||
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(int) keysym == (int) MiscKeys.XK_Mode_switch) {
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UpdateKeyState (xevent);
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return;
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}
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if ((xevent.KeyEvent.keycode >> 8) == 0x10)
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xevent.KeyEvent.keycode = xevent.KeyEvent.keycode & 0xFF;
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int event_time = (int)xevent.KeyEvent.time;
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if (status == XLookupStatus.XLookupChars) {
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// do not ignore those inputs. They are mostly from XIM.
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msg = SendImeComposition (lookup_buffer.ToString (0, lookup_buffer.Length));
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msg.hwnd = hwnd;
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return;
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}
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AltGrMask = xevent.KeyEvent.state & (0x6000 | (int) KeyMasks.ModMasks);
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int vkey = EventToVkey (xevent);
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if (vkey == 0 && ascii_chars != 0) {
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vkey = (int) VirtualKeys.VK_NONAME;
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}
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if (FilterKey (xevent, vkey))
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return;
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switch ((VirtualKeys) (vkey & 0xFF)) {
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case VirtualKeys.VK_NUMLOCK:
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GenerateMessage (VirtualKeys.VK_NUMLOCK, 0x45, xevent.KeyEvent.keycode, xevent.type, event_time);
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break;
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case VirtualKeys.VK_CAPITAL:
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GenerateMessage (VirtualKeys.VK_CAPITAL, 0x3A, xevent.KeyEvent.keycode, xevent.type, event_time);
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break;
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default:
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if (((key_state_table [(int) VirtualKeys.VK_NUMLOCK] & 0x01) == 0) != ((xevent.KeyEvent.state & NumLockMask) == 0)) {
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GenerateMessage (VirtualKeys.VK_NUMLOCK, 0x45, xevent.KeyEvent.keycode, XEventName.KeyPress, event_time);
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GenerateMessage (VirtualKeys.VK_NUMLOCK, 0x45, xevent.KeyEvent.keycode, XEventName.KeyRelease, event_time);
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}
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if (((key_state_table [(int) VirtualKeys.VK_CAPITAL] & 0x01) == 0) != ((xevent.KeyEvent.state & (int) KeyMasks.LockMask) == 0)) {
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GenerateMessage (VirtualKeys.VK_CAPITAL, 0x3A, xevent.KeyEvent.keycode, XEventName.KeyPress, event_time);
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GenerateMessage (VirtualKeys.VK_CAPITAL, 0x3A, xevent.KeyEvent.keycode, XEventName.KeyRelease, event_time);
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}
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num_state = false;
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cap_state = false;
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int bscan = (keyc2scan [xevent.KeyEvent.keycode] & 0xFF);
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KeybdEventFlags dw_flags = KeybdEventFlags.None;
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if (xevent.type == XEventName.KeyRelease)
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dw_flags |= KeybdEventFlags.KeyUp;
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if ((vkey & 0x100) != 0)
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dw_flags |= KeybdEventFlags.ExtendedKey;
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msg = SendKeyboardInput ((VirtualKeys) (vkey & 0xFF), bscan, xevent.KeyEvent.keycode, dw_flags, event_time);
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msg.hwnd = hwnd;
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break;
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}
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}
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public bool TranslateMessage (ref MSG msg)
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{
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bool res = false;
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if (msg.message >= Msg.WM_KEYFIRST && msg.message <= Msg.WM_KEYLAST)
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res = true;
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if (msg.message == Msg.WM_SYSKEYUP && msg.wParam == (IntPtr) 0x12 && menu_state) {
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msg.message = Msg.WM_KEYUP;
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menu_state = false;
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}
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if (msg.message != Msg.WM_KEYDOWN && msg.message != Msg.WM_SYSKEYDOWN)
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return res;
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if ((key_state_table [(int) VirtualKeys.VK_MENU] & 0x80) != 0 && msg.wParam != (IntPtr) 0x12)
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menu_state = true;
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EnsureLayoutInitialized ();
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string buffer;
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Msg message;
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int tu = ToUnicode ((int) msg.wParam, Control.HighOrder ((int) msg.lParam), out buffer);
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switch (tu) {
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case 1:
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message = (msg.message == Msg.WM_KEYDOWN ? Msg.WM_CHAR : Msg.WM_SYSCHAR);
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XplatUI.PostMessage (msg.hwnd, message, (IntPtr) buffer [0], msg.lParam);
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break;
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case -1:
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message = (msg.message == Msg.WM_KEYDOWN ? Msg.WM_DEADCHAR : Msg.WM_SYSDEADCHAR);
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XplatUI.PostMessage (msg.hwnd, message, (IntPtr) buffer [0], msg.lParam);
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return true;
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}
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return res;
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}
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public int ToKeycode(int key)
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{
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int keycode = 0;
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if (nonchar_vkey_key[key] > 0)
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keycode = XKeysymToKeycode (display, nonchar_vkey_key[key]);
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if (keycode == 0)
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keycode = XKeysymToKeycode (display, key);
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return keycode;
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}
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public int ToUnicode (int vkey, int scan, out string buffer)
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{
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if ((scan & 0x8000) != 0) {
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buffer = String.Empty;
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return 0;
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}
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XEvent e = new XEvent ();
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e.AnyEvent.type = XEventName.KeyPress;
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e.KeyEvent.display = display;
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e.KeyEvent.keycode = 0;
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e.KeyEvent.state = 0;
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if ((key_state_table [(int) VirtualKeys.VK_SHIFT] & 0x80) != 0) {
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e.KeyEvent.state |= (int) KeyMasks.ShiftMask;
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}
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if ((key_state_table [(int) VirtualKeys.VK_CAPITAL] & 0x01) != 0) {
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e.KeyEvent.state |= (int) KeyMasks.LockMask;
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}
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if ((key_state_table [(int) VirtualKeys.VK_CONTROL] & 0x80) != 0) {
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e.KeyEvent.state |= (int) KeyMasks.ControlMask;
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}
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if ((key_state_table [(int) VirtualKeys.VK_NUMLOCK] & 0x01) != 0) {
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e.KeyEvent.state |= NumLockMask;
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}
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e.KeyEvent.state |= AltGrMask;
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for (int keyc = min_keycode; (keyc <= max_keycode) && (e.KeyEvent.keycode == 0); keyc++) {
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// find keycode that could have generated this vkey
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if ((keyc2vkey [keyc] & 0xFF) == vkey) {
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// filter extended bit because it is not known
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e.KeyEvent.keycode = keyc;
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if ((EventToVkey (e) & 0xFF) != vkey) {
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// Wrong one (ex: because of num,lock state)
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e.KeyEvent.keycode = 0;
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}
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}
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}
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if ((vkey >= (int) VirtualKeys.VK_NUMPAD0) && (vkey <= (int) VirtualKeys.VK_NUMPAD9))
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e.KeyEvent.keycode = XKeysymToKeycode (display, vkey - (int) VirtualKeys.VK_NUMPAD0 + (int) KeypadKeys.XK_KP_0);
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if (vkey == (int) VirtualKeys.VK_DECIMAL)
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e.KeyEvent.keycode = XKeysymToKeycode (display, (int) KeypadKeys.XK_KP_Decimal);
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if (vkey == (int) VirtualKeys.VK_SEPARATOR)
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e.KeyEvent.keycode = XKeysymToKeycode(display, (int) KeypadKeys.XK_KP_Separator);
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if (e.KeyEvent.keycode == 0 && vkey != (int) VirtualKeys.VK_NONAME) {
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// And I couldn't find the keycode so i returned the vkey and was like whatever
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Console.Error.WriteLine ("unknown virtual key {0:X}", vkey);
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buffer = String.Empty;
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return vkey;
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}
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XKeySym t;
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XLookupStatus status;
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int res = LookupString (ref e, 24, out t, out status);
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int keysym = (int) t;
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buffer = String.Empty;
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if (res == 0) {
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int dead_char = MapDeadKeySym (keysym);
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if (dead_char != 0) {
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byte [] bytes = new byte [1];
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bytes [0] = (byte) dead_char;
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buffer = new string (AnsiEncoding.GetChars (bytes));
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res = -1;
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}
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} else {
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// Shift + arrow, shift + home, ....
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// X returns a char for it, but windows doesn't
|
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if (((e.KeyEvent.state & NumLockMask) == 0) && ((e.KeyEvent.state & (int) KeyMasks.ShiftMask) != 0) &&
|
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(keysym >= (int) KeypadKeys.XK_KP_0) && (keysym <= (int) KeypadKeys.XK_KP_9)) {
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buffer = String.Empty;
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res = 0;
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}
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|
|
// CTRL + number, X returns chars, windows does not
|
|
if ((e.KeyEvent.state & (int) KeyMasks.ControlMask) != 0) {
|
|
if (((keysym >= 33) && (keysym < 'A')) || ((keysym > 'Z') && (keysym < 'a'))) {
|
|
buffer = String.Empty;
|
|
res = 0;
|
|
}
|
|
}
|
|
|
|
// X returns a char for delete key on extended keyboards, windows does not
|
|
if (keysym == (int) TtyKeys.XK_Delete) {
|
|
buffer = String.Empty;
|
|
res = 0;
|
|
}
|
|
|
|
if (keysym == (int) TtyKeys.XK_BackSpace && (key_state_table [(int) VirtualKeys.VK_CONTROL] & 0x80) != 0) {
|
|
buffer = new string (new char [] { (char) 127 });
|
|
|
|
return 1;
|
|
}
|
|
|
|
// For some special chars, such backspace and enter, looking up for a string
|
|
// can randomly fail to properly fill the buffer (either marshaling or X11), so we use
|
|
// the keysysm value to fill the gap
|
|
if (keysym == (int) XKeySym.XK_BackSpace) {
|
|
buffer = new string (new char [] { (char) 8 });
|
|
return 1;
|
|
}
|
|
if (keysym == (int) XKeySym.XK_Return) {
|
|
buffer = new string (new char [] { (char)13 });
|
|
return 1;
|
|
}
|
|
|
|
if (res != 0) {
|
|
buffer = lookup_buffer.ToString ();
|
|
res = buffer.Length;
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
string stored_keyevent_string;
|
|
|
|
internal string GetCompositionString ()
|
|
{
|
|
return stored_keyevent_string;
|
|
}
|
|
|
|
private MSG SendImeComposition (string s)
|
|
{
|
|
MSG msg = new MSG ();
|
|
msg.message = Msg.WM_IME_COMPOSITION;
|
|
msg.refobject = s;
|
|
stored_keyevent_string = s;
|
|
return msg;
|
|
}
|
|
|
|
private MSG SendKeyboardInput (VirtualKeys vkey, int scan, int keycode, KeybdEventFlags dw_flags, int time)
|
|
{
|
|
Msg message;
|
|
|
|
if ((dw_flags & KeybdEventFlags.KeyUp) != 0) {
|
|
bool sys_key = (key_state_table [(int) VirtualKeys.VK_MENU] & 0x80) != 0 &&
|
|
((key_state_table [(int) VirtualKeys.VK_CONTROL] & 0x80) == 0);
|
|
key_state_table [(int) vkey] &= unchecked ((byte) ~0x80);
|
|
message = (sys_key ? Msg.WM_SYSKEYUP : Msg.WM_KEYUP);
|
|
} else {
|
|
if ((key_state_table [(int) vkey] & 0x80) == 0) {
|
|
key_state_table [(int) vkey] ^= 0x01;
|
|
}
|
|
key_state_table [(int) vkey] |= 0x80;
|
|
bool sys_key = (key_state_table [(int) VirtualKeys.VK_MENU] & 0x80) != 0 &&
|
|
((key_state_table [(int) VirtualKeys.VK_CONTROL] & 0x80) == 0);
|
|
message = (sys_key ? Msg.WM_SYSKEYDOWN : Msg.WM_KEYDOWN);
|
|
}
|
|
|
|
MSG msg = new MSG ();
|
|
msg.message = message;
|
|
msg.wParam = (IntPtr) vkey;
|
|
msg.lParam = GenerateLParam (msg, keycode);
|
|
return msg;
|
|
}
|
|
|
|
private IntPtr GenerateLParam (MSG m, int keyCode)
|
|
{
|
|
// http://msdn.microsoft.com/en-us/library/ms646267(VS.85).aspx
|
|
//
|
|
byte flags = 0;
|
|
|
|
if (m.message == Msg.WM_SYSKEYUP || m.message == Msg.WM_KEYUP)
|
|
flags |= 0x80; // transition state flag = 1
|
|
|
|
flags |= 0x40; // previous key state flag = 1
|
|
|
|
if ((key_state_table [(int) VirtualKeys.VK_RMENU] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_LMENU] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_MENU] & 0x80) != 0)
|
|
flags |= 0x20; // context code flag = 1
|
|
|
|
if ((key_state_table [(int) VirtualKeys.VK_INSERT] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_DELETE] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_HOME] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_END] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_UP] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_DOWN] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_LEFT] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_RIGHT] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_CONTROL] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_MENU] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_NUMLOCK] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_PRINT] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_RETURN] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_DIVIDE] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_PRIOR] & 0x80) != 0 ||
|
|
(key_state_table [(int) VirtualKeys.VK_NEXT] & 0x80) != 0)
|
|
flags |= 0x01; // extended key flag = 1
|
|
|
|
int lparam = ((((int)flags) & 0x000000FF) << 3*8); // message flags
|
|
lparam |= ((keyCode & 0x000000FF) << 2*8); // scan code
|
|
lparam |= 0x00000001; // repeat count = 1
|
|
|
|
return (IntPtr)lparam;
|
|
}
|
|
|
|
private void GenerateMessage (VirtualKeys vkey, int scan, int key_code, XEventName type, int event_time)
|
|
{
|
|
bool state = (vkey == VirtualKeys.VK_NUMLOCK ? num_state : cap_state);
|
|
KeybdEventFlags up, down;
|
|
|
|
if (state) {
|
|
// The INTERMEDIARY state means : just after a 'press' event, if a 'release' event comes,
|
|
// don't treat it. It's from the same key press. Then the state goes to ON.
|
|
// And from there, a 'release' event will switch off the toggle key.
|
|
SetState (vkey, false);
|
|
} else {
|
|
down = (vkey == VirtualKeys.VK_NUMLOCK ? KeybdEventFlags.ExtendedKey : KeybdEventFlags.None);
|
|
up = (vkey == VirtualKeys.VK_NUMLOCK ? KeybdEventFlags.ExtendedKey :
|
|
KeybdEventFlags.None) | KeybdEventFlags.KeyUp;
|
|
if ((key_state_table [(int) vkey] & 0x1) != 0) { // it was on
|
|
if (type != XEventName.KeyPress) {
|
|
SendKeyboardInput (vkey, scan, key_code, down, event_time);
|
|
SendKeyboardInput (vkey, scan, key_code, up, event_time);
|
|
SetState (vkey, false);
|
|
key_state_table [(int) vkey] &= unchecked ((byte) ~0x01);
|
|
}
|
|
} else {
|
|
if (type == XEventName.KeyPress) {
|
|
SendKeyboardInput (vkey, scan, key_code, down, event_time);
|
|
SendKeyboardInput (vkey, scan, key_code, up, event_time);
|
|
SetState (vkey, true);
|
|
key_state_table [(int) vkey] |= 0x01;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void UpdateKeyState (XEvent xevent)
|
|
{
|
|
int vkey = EventToVkey (xevent);
|
|
|
|
switch (xevent.type) {
|
|
case XEventName.KeyRelease:
|
|
key_state_table [vkey & 0xff] &= unchecked ((byte) ~0x80);
|
|
break;
|
|
case XEventName.KeyPress:
|
|
if ((key_state_table [vkey & 0xff] & 0x80) == 0) {
|
|
key_state_table [vkey & 0xff] ^= 0x01;
|
|
}
|
|
key_state_table [vkey & 0xff] |= 0x80;
|
|
break;
|
|
}
|
|
}
|
|
|
|
private void SetState (VirtualKeys key, bool state)
|
|
{
|
|
if (VirtualKeys.VK_NUMLOCK == key)
|
|
num_state = state;
|
|
else
|
|
cap_state = state;
|
|
}
|
|
|
|
public int EventToVkey (XEvent e)
|
|
{
|
|
XLookupStatus status;
|
|
XKeySym ks;
|
|
|
|
LookupString (ref e, 0, out ks, out status);
|
|
int keysym = (int) ks;
|
|
|
|
if (((e.KeyEvent.state & NumLockMask) != 0) &&
|
|
(keysym == (int)KeypadKeys.XK_KP_Separator || keysym == (int)KeypadKeys.XK_KP_Decimal ||
|
|
(keysym >= (int)KeypadKeys.XK_KP_0 && keysym <= (int)KeypadKeys.XK_KP_9))) {
|
|
// Only the Keypad keys 0-9 and . send different keysyms
|
|
// depending on the NumLock state
|
|
return nonchar_key_vkey [keysym & 0xFF];
|
|
}
|
|
|
|
return keyc2vkey [e.KeyEvent.keycode];
|
|
}
|
|
|
|
private void CreateConversionArray (KeyboardLayouts layouts, KeyboardLayout layout)
|
|
{
|
|
XEvent e2 = new XEvent ();
|
|
uint keysym = 0;
|
|
int [] ckey = new int [] { 0, 0, 0, 0 };
|
|
|
|
e2.KeyEvent.display = display;
|
|
e2.KeyEvent.state = 0;
|
|
|
|
for (int keyc = min_keycode; keyc <= max_keycode; keyc++) {
|
|
int vkey = 0;
|
|
int scan = 0;
|
|
|
|
e2.KeyEvent.keycode = keyc;
|
|
XKeySym t;
|
|
|
|
XLookupStatus status;
|
|
LookupString (ref e2, 0, out t, out status);
|
|
|
|
keysym = (uint) t;
|
|
if (keysym != 0) {
|
|
if ((keysym >> 8) == 0xFF) {
|
|
vkey = nonchar_key_vkey [keysym & 0xFF];
|
|
scan = nonchar_key_scan [keysym & 0xFF];
|
|
// Set extended bit
|
|
if ((scan & 0x100) != 0)
|
|
vkey |= 0x100;
|
|
} else if (keysym == 0x20) { // spacebar
|
|
vkey = (int) VirtualKeys.VK_SPACE;
|
|
scan = 0x39;
|
|
} else {
|
|
// Search layout dependent scancodes
|
|
int maxlen = 0;
|
|
int maxval = -1;;
|
|
|
|
for (int i = 0; i < syms; i++) {
|
|
keysym = XKeycodeToKeysym (display, keyc, i);
|
|
if ((keysym < 0x800) && (keysym != ' '))
|
|
ckey [i] = (sbyte) (keysym & 0xFF);
|
|
else
|
|
ckey [i] = (sbyte) MapDeadKeySym ((int) keysym);
|
|
}
|
|
|
|
for (int keyn = 0; keyn < layout.Keys.Length; keyn++) {
|
|
int ml = Math.Min (layout.Keys [keyn].Length, 4);
|
|
int ok = -1;
|
|
for (int i = 0; (ok != 0) && (i < ml); i++) {
|
|
sbyte ck = (sbyte) layout.Keys [keyn][i];
|
|
if (ck != ckey [i])
|
|
ok = 0;
|
|
if ((ok != 0) || (i > maxlen)) {
|
|
maxlen = i;
|
|
maxval = keyn;
|
|
}
|
|
if (ok != 0)
|
|
break;
|
|
}
|
|
}
|
|
if (maxval >= 0) {
|
|
if (maxval < layouts.scan_table [(int) layout.ScanIndex].Length)
|
|
scan = layouts.scan_table [(int) layout.ScanIndex][maxval];
|
|
if (maxval < layouts.vkey_table [(int) layout.VKeyIndex].Length)
|
|
vkey = layouts.vkey_table [(int) layout.VKeyIndex][maxval];
|
|
}
|
|
}
|
|
}
|
|
keyc2vkey [e2.KeyEvent.keycode] = vkey;
|
|
keyc2scan [e2.KeyEvent.keycode] = scan;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
private KeyboardLayout DetectLayout (KeyboardLayouts layouts)
|
|
{
|
|
XDisplayKeycodes (display, out min_keycode, out max_keycode);
|
|
IntPtr ksp = XGetKeyboardMapping (display, (byte) min_keycode,
|
|
max_keycode + 1 - min_keycode, out keysyms_per_keycode);
|
|
lock (XlibLock) {
|
|
XplatUIX11.XFree (ksp);
|
|
}
|
|
|
|
syms = keysyms_per_keycode;
|
|
if (syms > 4) {
|
|
//Console.Error.WriteLine ("{0} keysymbols per a keycode is not supported, setting to 4", syms);
|
|
syms = 2;
|
|
}
|
|
|
|
IntPtr modmap_unmanaged;
|
|
XModifierKeymap xmk = new XModifierKeymap ();
|
|
|
|
modmap_unmanaged = XGetModifierMapping (display);
|
|
xmk = (XModifierKeymap) Marshal.PtrToStructure (modmap_unmanaged, typeof (XModifierKeymap));
|
|
|
|
int mmp = 0;
|
|
for (int i = 0; i < 8; i++) {
|
|
for (int j = 0; j < xmk.max_keypermod; j++, mmp++) {
|
|
byte b = Marshal.ReadByte (xmk.modifiermap, mmp);
|
|
if (b != 0) {
|
|
for (int k = 0; k < keysyms_per_keycode; k++) {
|
|
if ((int) XKeycodeToKeysym (display, b, k) == (int) MiscKeys.XK_Num_Lock)
|
|
NumLockMask = 1 << i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
XFreeModifiermap (modmap_unmanaged);
|
|
|
|
int [] ckey = new int [4];
|
|
KeyboardLayout layout = null;
|
|
int max_score = 0;
|
|
int max_seq = 0;
|
|
|
|
foreach (KeyboardLayout current in layouts.Layouts) {
|
|
int ok = 0;
|
|
int score = 0;
|
|
int match = 0;
|
|
int mismatch = 0;
|
|
int seq = 0;
|
|
int pkey = -1;
|
|
int key = min_keycode;
|
|
int i;
|
|
|
|
for (int keyc = min_keycode; keyc <= max_keycode; keyc++) {
|
|
for (i = 0; i < syms; i++) {
|
|
uint keysym = XKeycodeToKeysym (display, keyc, i);
|
|
|
|
if ((keysym < 0x800) && (keysym != ' ')) {
|
|
ckey [i] = (sbyte) (keysym & 0xFF);
|
|
} else {
|
|
ckey [i] = (sbyte) MapDeadKeySym ((int) keysym);
|
|
}
|
|
}
|
|
if (ckey [0] != 0) {
|
|
for (key = 0; key < current.Keys.Length; key++) {
|
|
int ml = Math.Min (syms, current.Keys [key].Length);
|
|
for (ok = 0, i = 0; (ok >= 0) && (i < ml); i++) {
|
|
sbyte ck = (sbyte) current.Keys [key][i];
|
|
if (ck != 0 && ck == ckey[i])
|
|
ok++;
|
|
if (ck != 0 && ck != ckey[i])
|
|
ok = -1;
|
|
}
|
|
if (ok > 0) {
|
|
score += ok;
|
|
break;
|
|
}
|
|
}
|
|
if (ok > 0) {
|
|
match++;
|
|
/* and how much the keycode order matches */
|
|
if (key > pkey)
|
|
seq++;
|
|
pkey = key;
|
|
} else {
|
|
/* print spaces instead of \0's */
|
|
mismatch++;
|
|
score -= syms;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((score > max_score) || ((score == max_score) && (seq > max_seq))) {
|
|
// best match so far
|
|
layout = current;
|
|
max_score = score;
|
|
max_seq = seq;
|
|
}
|
|
}
|
|
|
|
if (layout != null) {
|
|
return layout;
|
|
} else {
|
|
Console.WriteLine (Locale.GetText("Keyboard layout not recognized, using default layout: " +
|
|
layouts.Layouts [0].Name));
|
|
}
|
|
|
|
return layouts.Layouts [0];
|
|
}
|
|
|
|
// TODO
|
|
private int MapDeadKeySym (int val)
|
|
{
|
|
switch (val) {
|
|
case (int) DeadKeys.XK_dead_tilde :
|
|
case 0x1000FE7E : // Xfree's Dtilde
|
|
return '~';
|
|
case (int) DeadKeys.XK_dead_acute :
|
|
case 0x1000FE27 : // Xfree's XK_Dacute_accent
|
|
return 0xb4;
|
|
case (int) DeadKeys.XK_dead_circumflex:
|
|
case 0x1000FE5E : // Xfree's XK_.Dcircumflex_accent
|
|
return '^';
|
|
case (int) DeadKeys.XK_dead_grave :
|
|
case 0x1000FE60 : // Xfree's XK_.Dgrave_accent
|
|
return '`';
|
|
case (int) DeadKeys.XK_dead_diaeresis :
|
|
case 0x1000FE22 : // Xfree's XK_.Ddiaeresis
|
|
return 0xa8;
|
|
case (int) DeadKeys.XK_dead_cedilla :
|
|
return 0xb8;
|
|
case (int) DeadKeys.XK_dead_macron :
|
|
return '-';
|
|
case (int) DeadKeys.XK_dead_breve :
|
|
return 0xa2;
|
|
case (int) DeadKeys.XK_dead_abovedot :
|
|
return 0xff;
|
|
case (int) DeadKeys.XK_dead_abovering :
|
|
return '0';
|
|
case (int) DeadKeys.XK_dead_doubleacute :
|
|
return 0xbd;
|
|
case (int) DeadKeys.XK_dead_caron :
|
|
return 0xb7;
|
|
case (int) DeadKeys.XK_dead_ogonek :
|
|
return 0xb2;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
private XIMProperties [] GetSupportedInputStyles (IntPtr xim)
|
|
{
|
|
IntPtr stylesPtr;
|
|
string ret = XGetIMValues (xim, XNames.XNQueryInputStyle, out stylesPtr, IntPtr.Zero);
|
|
if (ret != null || stylesPtr == IntPtr.Zero)
|
|
return new XIMProperties [0];
|
|
XIMStyles styles = (XIMStyles) Marshal.PtrToStructure (stylesPtr, typeof (XIMStyles));
|
|
XIMProperties [] supportedStyles = new XIMProperties [styles.count_styles];
|
|
for (int i = 0; i < styles.count_styles; i++)
|
|
supportedStyles [i] = (XIMProperties) Marshal.PtrToStructure (new IntPtr ((long) styles.supported_styles + i * Marshal.SizeOf (typeof (IntPtr))), typeof (XIMProperties));
|
|
lock (XlibLock) {
|
|
XplatUIX11.XFree (stylesPtr);
|
|
}
|
|
return supportedStyles;
|
|
}
|
|
|
|
const XIMProperties styleRoot = XIMProperties.XIMPreeditNothing | XIMProperties.XIMStatusNothing;
|
|
const XIMProperties styleOverTheSpot = XIMProperties.XIMPreeditPosition | XIMProperties.XIMStatusNothing;
|
|
const XIMProperties styleOnTheSpot = XIMProperties.XIMPreeditCallbacks | XIMProperties.XIMStatusNothing;
|
|
const string ENV_NAME_XIM_STYLE = "MONO_WINFORMS_XIM_STYLE";
|
|
|
|
private XIMProperties [] GetPreferredStyles ()
|
|
{
|
|
string env = Environment.GetEnvironmentVariable (ENV_NAME_XIM_STYLE);
|
|
if (env == null)
|
|
env = "over-the-spot";
|
|
string [] list = env.Split (' ');
|
|
XIMProperties [] ret = new XIMProperties [list.Length];
|
|
for (int i = 0; i < list.Length; i++) {
|
|
string s = list [i];
|
|
switch (s) {
|
|
case "over-the-spot":
|
|
ret [i] = styleOverTheSpot;
|
|
break;
|
|
case "on-the-spot":
|
|
ret [i] = styleOnTheSpot;
|
|
break;
|
|
case "root":
|
|
ret [i] = styleRoot;
|
|
break;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
private IEnumerable GetMatchingStylesInPreferredOrder (IntPtr xim)
|
|
{
|
|
XIMProperties [] supportedStyles = GetSupportedInputStyles (xim);
|
|
foreach (XIMProperties p in GetPreferredStyles ())
|
|
if (Array.IndexOf (supportedStyles, p) >= 0)
|
|
yield return p;
|
|
}
|
|
|
|
private IntPtr CreateXic (IntPtr window, IntPtr xim)
|
|
{
|
|
IntPtr xic = IntPtr.Zero;
|
|
foreach (XIMProperties targetStyle in GetMatchingStylesInPreferredOrder (xim)) {
|
|
ximStyle = targetStyle;
|
|
// FIXME: use __arglist when it gets working. See bug #321686
|
|
switch (targetStyle) {
|
|
case styleOverTheSpot:
|
|
xic = CreateOverTheSpotXic (window, xim);
|
|
if (xic != IntPtr.Zero)
|
|
break;
|
|
//Console.WriteLine ("failed to create XIC in over-the-spot mode.");
|
|
continue;
|
|
case styleOnTheSpot:
|
|
// Since .NET/Winforms seems to support only over-the-spot mode,,
|
|
// I'm not likely to continue on-the-spot implementation. But in
|
|
// case we need it, this code will be still useful.
|
|
xic = CreateOnTheSpotXic (window, xim);
|
|
if (xic != IntPtr.Zero)
|
|
break;
|
|
//Console.WriteLine ("failed to create XIC in on-the-spot mode.");
|
|
continue;
|
|
case styleRoot:
|
|
xic = XCreateIC (xim,
|
|
XNames.XNInputStyle, styleRoot,
|
|
XNames.XNClientWindow, window,
|
|
IntPtr.Zero);
|
|
break;
|
|
}
|
|
}
|
|
// fall back to root mode if all modes failed
|
|
if (xic == IntPtr.Zero) {
|
|
ximStyle = styleRoot;
|
|
xic = XCreateIC (xim,
|
|
XNames.XNInputStyle, styleRoot,
|
|
XNames.XNClientWindow, window,
|
|
XNames.XNFocusWindow, window,
|
|
IntPtr.Zero);
|
|
}
|
|
return xic;
|
|
}
|
|
|
|
private IntPtr CreateOverTheSpotXic (IntPtr window, IntPtr xim)
|
|
{
|
|
IntPtr list;
|
|
int count;
|
|
Control c = Control.FromHandle (window);
|
|
string xlfd = String.Format ("-*-*-*-*-*-*-{0}-*-*-*-*-*-*-*", (int) c.Font.Size);
|
|
IntPtr fontSet = XCreateFontSet (display, xlfd, out list, out count, IntPtr.Zero);
|
|
XPoint spot = new XPoint ();
|
|
spot.X = 0;
|
|
spot.Y = 0;
|
|
IntPtr pSL = IntPtr.Zero, pFS = IntPtr.Zero;
|
|
try {
|
|
pSL = Marshal.StringToHGlobalAnsi (XNames.XNSpotLocation);
|
|
pFS = Marshal.StringToHGlobalAnsi (XNames.XNFontSet);
|
|
IntPtr preedit = XVaCreateNestedList (0,
|
|
pSL, spot,
|
|
pFS, fontSet,
|
|
IntPtr.Zero);
|
|
return XCreateIC (xim,
|
|
XNames.XNInputStyle, styleOverTheSpot,
|
|
XNames.XNClientWindow, window,
|
|
XNames.XNPreeditAttributes, preedit,
|
|
IntPtr.Zero);
|
|
} finally {
|
|
if (pSL != IntPtr.Zero)
|
|
Marshal.FreeHGlobal (pSL);
|
|
if (pFS != IntPtr.Zero)
|
|
Marshal.FreeHGlobal (pFS);
|
|
XFreeStringList (list);
|
|
//XplatUIX11.XFree (preedit);
|
|
//XFreeFontSet (fontSet);
|
|
}
|
|
}
|
|
|
|
private IntPtr CreateOnTheSpotXic (IntPtr window, IntPtr xim)
|
|
{
|
|
callbackContext = new XIMCallbackContext (window);
|
|
return callbackContext.CreateXic (window, xim);
|
|
}
|
|
|
|
class XIMCallbackContext
|
|
{
|
|
XIMCallback startCB, doneCB, drawCB, caretCB;
|
|
IntPtr pStartCB = IntPtr.Zero, pDoneCB = IntPtr.Zero, pDrawCB = IntPtr.Zero, pCaretCB = IntPtr.Zero;
|
|
IntPtr pStartCBN = IntPtr.Zero, pDoneCBN = IntPtr.Zero, pDrawCBN = IntPtr.Zero, pCaretCBN = IntPtr.Zero;
|
|
|
|
public XIMCallbackContext (IntPtr clientWindow)
|
|
{
|
|
startCB = new XIMCallback (clientWindow, DoPreeditStart);
|
|
doneCB = new XIMCallback (clientWindow, DoPreeditDone);
|
|
drawCB = new XIMCallback (clientWindow, DoPreeditDraw);
|
|
caretCB = new XIMCallback (clientWindow, DoPreeditCaret);
|
|
pStartCB = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (XIMCallback)));
|
|
pDoneCB = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (XIMCallback)));
|
|
pDrawCB = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (XIMCallback)));
|
|
pCaretCB = Marshal.AllocHGlobal (Marshal.SizeOf (typeof (XIMCallback)));
|
|
pStartCBN = Marshal.StringToHGlobalAnsi (XNames.XNPreeditStartCallback);
|
|
pDoneCBN = Marshal.StringToHGlobalAnsi (XNames.XNPreeditDoneCallback);
|
|
pDrawCBN = Marshal.StringToHGlobalAnsi (XNames.XNPreeditDrawCallback);
|
|
pCaretCBN = Marshal.StringToHGlobalAnsi (XNames.XNPreeditCaretCallback);
|
|
}
|
|
|
|
~XIMCallbackContext ()
|
|
{
|
|
if (pStartCBN != IntPtr.Zero)
|
|
Marshal.FreeHGlobal (pStartCBN);
|
|
if (pDoneCBN != IntPtr.Zero)
|
|
Marshal.FreeHGlobal (pDoneCBN);
|
|
if (pDrawCBN != IntPtr.Zero)
|
|
Marshal.FreeHGlobal (pDrawCBN);
|
|
if (pCaretCBN != IntPtr.Zero)
|
|
Marshal.FreeHGlobal (pCaretCBN);
|
|
|
|
if (pStartCB != IntPtr.Zero)
|
|
Marshal.FreeHGlobal (pStartCB);
|
|
if (pDoneCB != IntPtr.Zero)
|
|
Marshal.FreeHGlobal (pDoneCB);
|
|
if (pDrawCB != IntPtr.Zero)
|
|
Marshal.FreeHGlobal (pDrawCB);
|
|
if (pCaretCB != IntPtr.Zero)
|
|
Marshal.FreeHGlobal (pCaretCB);
|
|
}
|
|
|
|
int DoPreeditStart (IntPtr xic, IntPtr clientData, IntPtr callData)
|
|
{
|
|
Debug.WriteLine ("DoPreeditStart");
|
|
XplatUI.SendMessage(clientData, Msg.WM_XIM_PREEDITSTART, clientData, callData);
|
|
return 100;
|
|
}
|
|
|
|
int DoPreeditDone (IntPtr xic, IntPtr clientData, IntPtr callData)
|
|
{
|
|
Debug.WriteLine ("DoPreeditDone");
|
|
XplatUI.SendMessage(clientData, Msg.WM_XIM_PREEDITDONE, clientData, callData);
|
|
return 0;
|
|
}
|
|
|
|
int DoPreeditDraw (IntPtr xic, IntPtr clientData, IntPtr callData)
|
|
{
|
|
Debug.WriteLine ("DoPreeditDraw");
|
|
XplatUI.SendMessage(clientData, Msg.WM_XIM_PREEDITDRAW, clientData, callData);
|
|
return 0;
|
|
}
|
|
|
|
int DoPreeditCaret (IntPtr xic, IntPtr clientData, IntPtr callData)
|
|
{
|
|
Debug.WriteLine ("DoPreeditCaret");
|
|
XplatUI.SendMessage(clientData, Msg.WM_XIM_PREEDITCARET, clientData, callData);
|
|
return 0;
|
|
}
|
|
|
|
public IntPtr CreateXic (IntPtr window, IntPtr xim)
|
|
{
|
|
Marshal.StructureToPtr (startCB, pStartCB, false);
|
|
Marshal.StructureToPtr (doneCB, pDoneCB, false);
|
|
Marshal.StructureToPtr (drawCB, pDrawCB, false);
|
|
Marshal.StructureToPtr (caretCB, pCaretCB, false);
|
|
IntPtr preedit = XVaCreateNestedList (0,
|
|
pStartCBN, pStartCB,
|
|
pDoneCBN, pDoneCB,
|
|
pDrawCBN, pDrawCB,
|
|
pCaretCBN, pCaretCB,
|
|
IntPtr.Zero);
|
|
return XCreateIC (xim,
|
|
XNames.XNInputStyle, styleOnTheSpot,
|
|
XNames.XNClientWindow, window,
|
|
XNames.XNPreeditAttributes, preedit,
|
|
IntPtr.Zero);
|
|
}
|
|
}
|
|
|
|
class XIMPositionContext
|
|
{
|
|
public CaretStruct Caret;
|
|
public int X;
|
|
public int Y;
|
|
}
|
|
|
|
internal void SetCaretPos (CaretStruct caret, IntPtr handle, int x, int y)
|
|
{
|
|
if (ximStyle != styleOverTheSpot)
|
|
return;
|
|
|
|
if (positionContext == null)
|
|
this.positionContext = new XIMPositionContext ();
|
|
|
|
positionContext.Caret = caret;
|
|
positionContext.X = x;
|
|
positionContext.Y = y + caret.Height;
|
|
|
|
MoveCurrentCaretPos ();
|
|
}
|
|
|
|
internal void MoveCurrentCaretPos ()
|
|
{
|
|
if (positionContext == null || ximStyle != styleOverTheSpot || client_window == IntPtr.Zero)
|
|
return;
|
|
|
|
int x = positionContext.X;
|
|
int y = positionContext.Y;
|
|
CaretStruct caret = positionContext.Caret;
|
|
IntPtr xic = GetXic (client_window);
|
|
if (xic == IntPtr.Zero)
|
|
return;
|
|
Control control = Control.FromHandle (client_window);
|
|
if (control == null || !control.IsHandleCreated)
|
|
return;
|
|
control = Control.FromHandle (caret.Hwnd);
|
|
if (control == null || !control.IsHandleCreated)
|
|
return;
|
|
Hwnd hwnd = Hwnd.ObjectFromHandle (client_window);
|
|
if (!hwnd.mapped)
|
|
return;
|
|
|
|
int dx, dy;
|
|
IntPtr child;
|
|
lock (XlibLock) {
|
|
XplatUIX11.XTranslateCoordinates (display, client_window, client_window, x, y, out dx, out dy, out child);
|
|
}
|
|
|
|
XPoint spot = new XPoint ();
|
|
spot.X = (short) dx;
|
|
spot.Y = (short) dy;
|
|
|
|
IntPtr pSL = IntPtr.Zero;
|
|
try {
|
|
pSL = Marshal.StringToHGlobalAnsi (XNames.XNSpotLocation);
|
|
IntPtr preedit = XVaCreateNestedList (0, pSL, spot, IntPtr.Zero);
|
|
XSetICValues (xic, XNames.XNPreeditAttributes, preedit, IntPtr.Zero);
|
|
} finally {
|
|
if (pSL != IntPtr.Zero)
|
|
Marshal.FreeHGlobal (pSL);
|
|
}
|
|
}
|
|
|
|
private bool have_Xutf8LookupString = true;
|
|
|
|
private int LookupString (ref XEvent xevent, int len, out XKeySym keysym, out XLookupStatus status)
|
|
{
|
|
IntPtr keysym_res;
|
|
int res;
|
|
|
|
status = XLookupStatus.XLookupNone;
|
|
IntPtr xic = GetXic (client_window);
|
|
if (xic != IntPtr.Zero && have_Xutf8LookupString && xevent.type == XEventName.KeyPress) {
|
|
do {
|
|
try {
|
|
res = Xutf8LookupString (xic, ref xevent, lookup_byte_buffer, 100, out keysym_res, out status);
|
|
} catch (EntryPointNotFoundException) {
|
|
have_Xutf8LookupString = false;
|
|
|
|
// call again, this time we'll go through the non-xic clause
|
|
return LookupString (ref xevent, len, out keysym, out status);
|
|
}
|
|
if (status != XLookupStatus.XBufferOverflow)
|
|
break;
|
|
lookup_byte_buffer = new byte [lookup_byte_buffer.Length << 1];
|
|
} while (true);
|
|
lookup_buffer.Length = 0;
|
|
string s = Encoding.UTF8.GetString (lookup_byte_buffer, 0, res);
|
|
lookup_buffer.Append (s);
|
|
keysym = (XKeySym) keysym_res.ToInt32 ();
|
|
return s.Length;
|
|
} else {
|
|
IntPtr statusPtr = IntPtr.Zero;
|
|
lookup_buffer.Length = 0;
|
|
res = XLookupString (ref xevent, lookup_buffer, len, out keysym_res, out statusPtr);
|
|
keysym = (XKeySym) keysym_res.ToInt32 ();
|
|
return res;
|
|
}
|
|
}
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern IntPtr XOpenIM (IntPtr display, IntPtr rdb, IntPtr res_name, IntPtr res_class);
|
|
|
|
[DllImport ("libX11", CallingConvention = CallingConvention.Cdecl)]
|
|
private static extern IntPtr XCreateIC (IntPtr xim, string name, XIMProperties im_style, string name2, IntPtr value2, IntPtr terminator);
|
|
[DllImport ("libX11", CallingConvention = CallingConvention.Cdecl)]
|
|
private static extern IntPtr XCreateIC (IntPtr xim, string name, XIMProperties im_style, string name2, IntPtr value2, string name3, IntPtr value3, IntPtr terminator);
|
|
// [DllImport ("libX11", CallingConvention = CallingConvention.Cdecl)]
|
|
// private static extern IntPtr XCreateIC (IntPtr xim, string name, XIMProperties im_style, string name2, IntPtr value2, string name3, IntPtr value3, string name4, IntPtr value4, IntPtr terminator);
|
|
|
|
[DllImport ("libX11", CallingConvention = CallingConvention.Cdecl)]
|
|
private static extern IntPtr XVaCreateNestedList (int dummy, IntPtr name0, XPoint value0, IntPtr terminator);
|
|
[DllImport ("libX11", CallingConvention = CallingConvention.Cdecl)]
|
|
private static extern IntPtr XVaCreateNestedList (int dummy, IntPtr name0, XPoint value0, IntPtr name1, IntPtr value1, IntPtr terminator);
|
|
[DllImport ("libX11", CallingConvention = CallingConvention.Cdecl)]
|
|
private static extern IntPtr XVaCreateNestedList (int dummy, IntPtr name0, IntPtr value0, IntPtr name1, IntPtr value1, IntPtr name2, IntPtr value2, IntPtr name3, IntPtr value3, IntPtr terminator);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern IntPtr XCreateFontSet (IntPtr display, string name, out IntPtr list, out int count, IntPtr terminator);
|
|
|
|
[DllImport ("libX11")]
|
|
internal extern static void XFreeFontSet (IntPtr data);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern void XFreeStringList (IntPtr ptr);
|
|
|
|
//[DllImport ("libX11")]
|
|
//private static extern IntPtr XIMOfIC (IntPtr xic);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern void XCloseIM (IntPtr xim);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern void XDestroyIC (IntPtr xic);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern string XGetIMValues (IntPtr xim, string name, out IntPtr value, IntPtr terminator);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern string XGetICValues (IntPtr xic, string name, out EventMask value, IntPtr terminator);
|
|
|
|
[DllImport ("libX11", CallingConvention = CallingConvention.Cdecl)]
|
|
private static extern void XSetICValues (IntPtr xic, string name, IntPtr value, IntPtr terminator);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern void XSetICFocus (IntPtr xic);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern void XUnsetICFocus (IntPtr xic);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern string Xutf8ResetIC (IntPtr xic);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern bool XSupportsLocale ();
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern bool XSetLocaleModifiers (string mods);
|
|
|
|
[DllImport ("libX11")]
|
|
internal extern static int XLookupString(ref XEvent xevent, StringBuilder buffer, int num_bytes, out IntPtr keysym, out IntPtr status);
|
|
[DllImport ("libX11")]
|
|
internal extern static int Xutf8LookupString(IntPtr xic, ref XEvent xevent, byte [] buffer, int num_bytes, out IntPtr keysym, out XLookupStatus status);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern IntPtr XGetKeyboardMapping (IntPtr display, byte first_keycode, int keycode_count,
|
|
out int keysyms_per_keycode_return);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern void XDisplayKeycodes (IntPtr display, out int min, out int max);
|
|
|
|
[DllImport ("libX11", EntryPoint="XKeycodeToKeysym")]
|
|
private static extern uint XKeycodeToKeysym (IntPtr display, int keycode, int index);
|
|
|
|
[DllImport ("libX11")]
|
|
private static extern int XKeysymToKeycode (IntPtr display, IntPtr keysym);
|
|
private static int XKeysymToKeycode (IntPtr display, int keysym) {
|
|
return XKeysymToKeycode(display, (IntPtr)keysym);
|
|
}
|
|
|
|
[DllImport ("libX11")]
|
|
internal extern static IntPtr XGetModifierMapping (IntPtr display);
|
|
|
|
[DllImport ("libX11")]
|
|
internal extern static int XFreeModifiermap (IntPtr modmap);
|
|
|
|
|
|
private readonly static int [] nonchar_key_vkey = new int []
|
|
{
|
|
/* unused */
|
|
0, 0, 0, 0, 0, 0, 0, 0, /* FF00 */
|
|
/* special keys */
|
|
(int) VirtualKeys.VK_BACK, (int) VirtualKeys.VK_TAB, 0, (int) VirtualKeys.VK_CLEAR, 0, (int) VirtualKeys.VK_RETURN, 0, 0, /* FF08 */
|
|
0, 0, 0, (int) VirtualKeys.VK_PAUSE, (int) VirtualKeys.VK_SCROLL, 0, 0, 0, /* FF10 */
|
|
0, 0, 0, (int) VirtualKeys.VK_ESCAPE, 0, 0, 0, 0, /* FF18 */
|
|
0, 0, (int) VirtualKeys.VK_NONCONVERT, (int) VirtualKeys.VK_CONVERT, 0, 0, 0, 0, /* FF20 */
|
|
0, 0, (int) VirtualKeys.VK_OEM_AUTO, 0, 0, 0, 0, 0, /* FF28 */
|
|
/* unused */
|
|
0, 0, 0, 0, 0, 0, 0, 0, /* FF30 */
|
|
0, 0, 0, 0, 0, 0, 0, 0, /* FF38 */
|
|
0, 0, 0, 0, 0, 0, 0, 0, /* FF40 */
|
|
0, 0, 0, 0, 0, 0, 0, 0, /* FF48 */
|
|
/* cursor keys */
|
|
(int) VirtualKeys.VK_HOME, (int) VirtualKeys.VK_LEFT, (int) VirtualKeys.VK_UP, (int) VirtualKeys.VK_RIGHT, /* FF50 */
|
|
(int) VirtualKeys.VK_DOWN, (int) VirtualKeys.VK_PRIOR, (int) VirtualKeys.VK_NEXT, (int) VirtualKeys.VK_END,
|
|
0, 0, 0, 0, 0, 0, 0, 0, /* FF58 */
|
|
/* misc keys */
|
|
(int) VirtualKeys.VK_SELECT, (int) VirtualKeys.VK_SNAPSHOT, (int) VirtualKeys.VK_EXECUTE, (int) VirtualKeys.VK_INSERT, 0, 0, 0, 0, /* FF60 */
|
|
(int) VirtualKeys.VK_CANCEL, (int) VirtualKeys.VK_HELP, (int) VirtualKeys.VK_CANCEL, (int) VirtualKeys.VK_CANCEL, 0, 0, 0, 0, /* FF68 */
|
|
0, 0, 0, 0, 0, 0, 0, 0, /* FF70 */
|
|
/* keypad keys */
|
|
0, 0, 0, 0, 0, 0, 0, (int) VirtualKeys.VK_NUMLOCK, /* FF78 */
|
|
0, 0, 0, 0, 0, 0, 0, 0, /* FF80 */
|
|
0, 0, 0, 0, 0, (int) VirtualKeys.VK_RETURN, 0, 0, /* FF88 */
|
|
0, 0, 0, 0, 0, (int) VirtualKeys.VK_HOME, (int) VirtualKeys.VK_LEFT, (int) VirtualKeys.VK_UP, /* FF90 */
|
|
(int) VirtualKeys.VK_RIGHT, (int) VirtualKeys.VK_DOWN, (int) VirtualKeys.VK_PRIOR, (int) VirtualKeys.VK_NEXT, /* FF98 */
|
|
(int) VirtualKeys.VK_END, 0, (int) VirtualKeys.VK_INSERT, (int) VirtualKeys.VK_DELETE,
|
|
0, 0, 0, 0, 0, 0, 0, 0, /* FFA0 */
|
|
0, 0, (int) VirtualKeys.VK_MULTIPLY, (int) VirtualKeys.VK_ADD, /* FFA8 */
|
|
(int) VirtualKeys.VK_SEPARATOR, (int) VirtualKeys.VK_SUBTRACT, (int) VirtualKeys.VK_DECIMAL, (int) VirtualKeys.VK_DIVIDE,
|
|
(int) VirtualKeys.VK_NUMPAD0, (int) VirtualKeys.VK_NUMPAD1, (int) VirtualKeys.VK_NUMPAD2, (int) VirtualKeys.VK_NUMPAD3, /* FFB0 */
|
|
(int) VirtualKeys.VK_NUMPAD4, (int) VirtualKeys.VK_NUMPAD5, (int) VirtualKeys.VK_NUMPAD6, (int) VirtualKeys.VK_NUMPAD7,
|
|
(int) VirtualKeys.VK_NUMPAD8, (int) VirtualKeys.VK_NUMPAD9, 0, 0, 0, 0, /* FFB8 */
|
|
/* function keys */
|
|
(int) VirtualKeys.VK_F1, (int) VirtualKeys.VK_F2,
|
|
(int) VirtualKeys.VK_F3, (int) VirtualKeys.VK_F4, (int) VirtualKeys.VK_F5, (int) VirtualKeys.VK_F6, (int) VirtualKeys.VK_F7, (int) VirtualKeys.VK_F8, (int) VirtualKeys.VK_F9, (int) VirtualKeys.VK_F10, /* FFC0 */
|
|
(int) VirtualKeys.VK_F11, (int) VirtualKeys.VK_F12, (int) VirtualKeys.VK_F13, (int) VirtualKeys.VK_F14, (int) VirtualKeys.VK_F15, (int) VirtualKeys.VK_F16, 0, 0, /* FFC8 */
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0, 0, 0, 0, 0, 0, 0, 0, /* FFD0 */
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0, 0, 0, 0, 0, 0, 0, 0, /* FFD8 */
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/* modifier keys */
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0, (int) VirtualKeys.VK_SHIFT, (int) VirtualKeys.VK_SHIFT, (int) VirtualKeys.VK_CONTROL, /* FFE0 */
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(int) VirtualKeys.VK_CONTROL, (int) VirtualKeys.VK_CAPITAL, 0, (int) VirtualKeys.VK_MENU,
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(int) VirtualKeys.VK_MENU, (int) VirtualKeys.VK_MENU, (int) VirtualKeys.VK_MENU, 0, 0, 0, 0, 0, /* FFE8 */
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0, 0, 0, 0, 0, 0, 0, 0, /* FFF0 */
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0, 0, 0, 0, 0, 0, 0, (int) VirtualKeys.VK_DELETE /* FFF8 */
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};
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private static readonly int [] nonchar_key_scan = new int []
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{
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/* unused */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FF00 */
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/* special keys */
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0x0E, 0x0F, 0x00, /*?*/ 0, 0x00, 0x1C, 0x00, 0x00, /* FF08 */
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0x00, 0x00, 0x00, 0x45, 0x46, 0x00, 0x00, 0x00, /* FF10 */
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0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, /* FF18 */
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/* unused */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FF20 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FF28 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FF30 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FF38 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FF40 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FF48 */
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/* cursor keys */
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0x147, 0x14B, 0x148, 0x14D, 0x150, 0x149, 0x151, 0x14F, /* FF50 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FF58 */
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|
/* misc keys */
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/*?*/ 0, 0x137, /*?*/ 0, 0x152, 0x00, 0x00, 0x00, 0x00, /* FF60 */
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/*?*/ 0, /*?*/ 0, 0x38, 0x146, 0x00, 0x00, 0x00, 0x00, /* FF68 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FF70 */
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|
/* keypad keys */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x138, 0x145, /* FF78 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FF80 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x11C, 0x00, 0x00, /* FF88 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x47, 0x4B, 0x48, /* FF90 */
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|
0x4D, 0x50, 0x49, 0x51, 0x4F, 0x4C, 0x52, 0x53, /* FF98 */
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FFA0 */
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0x00, 0x00, 0x37, 0x4E, /*?*/ 0, 0x4A, 0x53, 0x135, /* FFA8 */
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0x52, 0x4F, 0x50, 0x51, 0x4B, 0x4C, 0x4D, 0x47, /* FFB0 */
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0x48, 0x49, 0x00, 0x00, 0x00, 0x00, /* FFB8 */
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|
/* function keys */
|
|
0x3B, 0x3C,
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|
0x3D, 0x3E, 0x3F, 0x40, 0x41, 0x42, 0x43, 0x44, /* FFC0 */
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|
0x57, 0x58, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FFC8 */
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|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FFD0 */
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FFD8 */
|
|
/* modifier keys */
|
|
0x00, 0x2A, 0x36, 0x1D, 0x11D, 0x3A, 0x00, 0x38, /* FFE0 */
|
|
0x138, 0x38, 0x138, 0x00, 0x00, 0x00, 0x00, 0x00, /* FFE8 */
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* FFF0 */
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x153 /* FFF8 */
|
|
};
|
|
|
|
private readonly static int [] nonchar_vkey_key = new int []
|
|
{
|
|
0, 0, 0, 0, 0, /* 00-04 */
|
|
0, 0, 0, (int)XKeySym.XK_BackSpace, (int)XKeySym.XK_Tab, /* 05-09 */
|
|
0, 0, (int)XKeySym.XK_Clear, (int)XKeySym.XK_Return, 0, 0, /* 0A-0F */
|
|
(int)XKeySym.XK_Shift_L, (int)XKeySym.XK_Control_L, (int)XKeySym.XK_Menu, 0, (int)XKeySym.XK_Caps_Lock, /* 10-14 */
|
|
0, 0, 0, 0, 0, /* 15-19 */
|
|
0, 0, 0, 0, 0, 0, /* 1A-1F */
|
|
0, 0, 0, (int)XKeySym.XK_End, (int)XKeySym.XK_Home, /* 20-24 */
|
|
(int)XKeySym.XK_Left, (int)XKeySym.XK_Up, (int)XKeySym.XK_Right, (int)XKeySym.XK_Down, 0, /* 25-29 */
|
|
0, 0, 0, 0, 0, 0, /* 2A-2F */
|
|
0, 0, 0, 0, 0, /* 30-34 */
|
|
0, 0, 0, 0, 0, /* 35-39 */
|
|
0, 0, 0, 0, 0, 0, /* 3A-3F */
|
|
0, 0, 0, 0, 0, /* 40-44 */
|
|
0, 0, 0, 0, 0, /* 45-49 */
|
|
0, 0, 0, 0, 0, 0, /* 4A-4F */
|
|
0, 0, 0, 0, 0, /* 50-54 */
|
|
0, 0, 0, 0, 0, /* 55-59 */
|
|
0, (int)XKeySym.XK_Meta_L, (int)XKeySym.XK_Meta_R, 0, 0, 0, /* 5A-5F */
|
|
0, 0, 0, 0, 0, /* 60-64 */
|
|
0, 0, 0, 0, 0, /* 65-69 */
|
|
0, 0, 0, 0, 0, 0, /* 6A-6F */
|
|
0, 0, 0, 0, 0, /* 70-74 */
|
|
0, 0, 0, 0, 0, /* 75-79 */
|
|
0, 0, 0, 0, 0, 0, /* 7A-7F */
|
|
0, 0, 0, 0, 0, /* 80-84 */
|
|
0, 0, 0, 0, 0, /* 85-89 */
|
|
0, 0, 0, 0, 0, 0, /* 8A-8F */
|
|
0, 0, 0, 0, 0, /* 90-94 */
|
|
0, 0, 0, 0, 0, /* 95-99 */
|
|
0, 0, 0, 0, 0, 0, /* 9A-9F */
|
|
(int)XKeySym.XK_Shift_L, (int)XKeySym.XK_Shift_R, (int)XKeySym.XK_Control_L, (int)XKeySym.XK_Control_R, (int)XKeySym.XK_Alt_L, /* A0-A4 */
|
|
(int)XKeySym.XK_Alt_R, 0, 0, 0, 0, /* A5-A9 */
|
|
0, 0, 0, 0, 0, 0, /* AA-AF */
|
|
0, 0, 0, 0, 0, /* B0-B4 */
|
|
0, 0, 0, 0, 0, /* B5-B9 */
|
|
0, 0, 0, 0, 0, 0, /* BA-BF */
|
|
0, 0, 0, 0, 0, /* C0-C4 */
|
|
0, 0, 0, 0, 0, /* C5-C9 */
|
|
0, 0, 0, 0, 0, 0, /* CA-CF */
|
|
0, 0, 0, 0, 0, /* D0-D4 */
|
|
0, 0, 0, 0, 0, /* D5-D9 */
|
|
0, 0, 0, 0, 0, 0, /* DA-DF */
|
|
0, 0, 0, 0, 0, /* E0-E4 */
|
|
0, 0, 0, 0, 0, /* E5-E9 */
|
|
0, 0, 0, 0, 0, 0, /* EA-EF */
|
|
0, 0, 0, 0, 0, /* F0-F4 */
|
|
0, 0, 0, 0, 0, /* F5-F9 */
|
|
0, 0, 0, 0, 0, 0 /* FA-FF */
|
|
};
|
|
|
|
}
|
|
|
|
}
|
|
|