Console.Error.WriteLine ("Could not get XIM");
else
xic = CreateXic (window, xim);
- if (xic != IntPtr.Zero)
+ if (xic == IntPtr.Zero) {
+ Console.Error.WriteLine ("Could not get XIC");
+ XCloseIM (xim);
+ } else {
utf8_buffer = new byte [100];
- if (XGetICValues (xic, "filterEvents", out xic_event_mask, IntPtr.Zero) != null)
- Console.Error.WriteLine ("Could not get XIC values");
- EventMask mask = EventMask.ExposureMask | EventMask.KeyPressMask | EventMask.FocusChangeMask;
- xic_event_mask |= mask;
- XplatUIX11.XSelectInput(display, window, new IntPtr ((int) xic_event_mask));
- // FIXME: without it some input methods do not show its UI (but it results in
- // obstacle, so am disabling it).
- // XplatUIX11.XMapWindow (display, window);
+ if (XGetICValues (xic, "filterEvents", out xic_event_mask, IntPtr.Zero) != null)
+ Console.Error.WriteLine ("Could not get XIC values");
+ EventMask mask = EventMask.ExposureMask | EventMask.KeyPressMask | EventMask.FocusChangeMask;
+ xic_event_mask |= mask;
+ XplatUIX11.XSelectInput(display, window, new IntPtr ((int) xic_event_mask));
+ // FIXME: without it some input methods do not show its UI (but it results in
+ // obstacle, so am disabling it).
+ // XplatUIX11.XMapWindow (display, window);
+ }
initialized = true;
}
return 0;
}
+ void DoPreeditPositionStart (IntPtr xic, IntPtr clientData, IntPtr callData)
+ {
+ // FIXME: implement
+ Console.WriteLine ("DoPreeditPositionStart");
+ }
+
+ void DoPreeditPositionDone (IntPtr xic, IntPtr clientData, IntPtr callData)
+ {
+ // FIXME: implement
+ Console.WriteLine ("DoPreeditPositionDone");
+ }
+
+ void DoPreeditPositionDraw (IntPtr xic, IntPtr clientData, IntPtr callData)
+ {
+ // FIXME: implement
+ Console.WriteLine ("DoPreeditPositionDraw");
+ }
+
+ void DoPreeditPositionCaret (IntPtr xic, IntPtr clientData, IntPtr callData)
+ {
+ // FIXME: implement
+ Console.WriteLine ("DoPreeditPositionCaret");
+ }
+
+ private XIMProperties [] GetSupportedInputStyles (IntPtr xim)
+ {
+ IntPtr stylesPtr;
+ XGetIMValues (xim, XNames.XNQueryInputStyle, out stylesPtr, IntPtr.Zero);
+ 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 ((IntPtr) ((int) styles.supported_styles + i * 4), typeof (XIMProperties));
+ 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 = String.Empty;
+ 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)
{
- xic = XCreateIC (xim,
- "inputStyle", XIMProperties.XIMPreeditNothing | XIMProperties.XIMStatusNothing,
- "clientWindow", window,
- "focusWindow", window,
- IntPtr.Zero);
+ foreach (XIMProperties targetStyle in GetMatchingStylesInPreferredOrder (xim)) {
+ // FIXME: use __arglist when it gets working.
+ switch (targetStyle) {
+ case styleOverTheSpot:
+ IntPtr list;
+ int count;
+ IntPtr fontSet = XCreateFontSet (display, "*", out list, out count, IntPtr.Zero);
+ XPoint spot = new XPoint ();
+ // FIXME: provide proper position
+ spot.X = 0;
+ spot.Y = 20;
+ IntPtr preedit = XVaCreateNestedList (0,
+ XNames.XNSpotLocation, ref spot,
+ XNames.XNFontSet, fontSet,
+ IntPtr.Zero);
+ xic = XCreateIC (xim,
+ XNames.XNInputStyle, styleOverTheSpot,
+ XNames.XNClientWindow, window,
+ XNames.XNFocusWindow, window,
+ XNames.XNPreeditAttributes, preedit,
+ IntPtr.Zero);
+ XFreeStringList (list);
+ XplatUIX11.XFree (preedit);
+ if (xic != IntPtr.Zero)
+ break;
+ //Console.Error.WriteLine ("failed to create XIC in over-the-spot mode.");
+ continue;
+ case styleOnTheSpot:
+ XIMCallback startCB = new XIMCallback (IntPtr.Zero, DoPreeditPositionStart);
+ XIMCallback doneCB = new XIMCallback (IntPtr.Zero, DoPreeditPositionDone);
+ XIMCallback drawCB = new XIMCallback (IntPtr.Zero, DoPreeditPositionDraw);
+ XIMCallback caretCB = new XIMCallback (IntPtr.Zero, DoPreeditPositionCaret);
+ preedit = XVaCreateNestedList (0,
+ XNames.XNPreeditStartCallback, ref startCB,
+ XNames.XNPreeditDoneCallback, ref doneCB,
+ XNames.XNPreeditDrawCallback, ref drawCB,
+ XNames.XNPreeditCaretCallback, ref caretCB,
+ IntPtr.Zero);
+ xic = XCreateIC (xim,
+ XNames.XNInputStyle, styleOnTheSpot,
+ XNames.XNPreeditAttributes, preedit,
+ XNames.XNClientWindow, window,
+ XNames.XNFocusWindow, window,
+ IntPtr.Zero);
+ XplatUIX11.XFree (preedit);
+ if (xic != IntPtr.Zero)
+ break;
+ //Console.Error.WriteLine ("failed to create XIC in on-the-spot mode.");
+ continue;
+ case styleRoot:
+ xic = XCreateIC (xim,
+ XNames.XNInputStyle, styleRoot,
+ XNames.XNClientWindow, window,
+ XNames.XNFocusWindow, window,
+ IntPtr.Zero);
+ break;
+ }
+ }
+ // fall back to root mode if all modes failed
+ if (xic == IntPtr.Zero)
+ xic = XCreateIC (xim,
+ XNames.XNInputStyle, styleRoot,
+ XNames.XNClientWindow, window,
+ XNames.XNFocusWindow, window,
+ IntPtr.Zero);
return xic;
}
[DllImport ("libX11")]
private static extern IntPtr XCreateIC (IntPtr xim, string name, XIMProperties im_style, string name2, IntPtr value2, string name3, IntPtr value3, IntPtr terminator);
+ [DllImport ("libX11")]
+ private static extern IntPtr XCreateIC (IntPtr xim, string name, XIMProperties im_style, string name2, IntPtr value2, string name3, IntPtr value3, string name4, IntPtr value4, /*string name5, IntPtr value5, */IntPtr terminator);
+
+ [DllImport ("libX11")]
+ private static extern IntPtr XVaCreateNestedList (int dummy, string name0, ref XPoint value0, string name1, IntPtr value1, IntPtr terminator);
+ [DllImport ("libX11")]
+ private static extern IntPtr XVaCreateNestedList (int dummy, /*string name0, IntPtr value0, string name1, ref XPoint value1, */string name2, ref XIMCallback value2, string name3, ref XIMCallback value3, string name4, ref XIMCallback value4, string name5, ref XIMCallback value5, IntPtr terminator);
+
+ [DllImport ("libX11")]
+ private static extern IntPtr XCreateFontSet (IntPtr display, string name, out IntPtr list, out int count, IntPtr terminator);
+
+ [DllImport ("libX11")]
+ private static extern void XFreeStringList (IntPtr ptr);
[DllImport ("libX11")]
private static extern IntPtr XIMOfIC (IntPtr xic);
[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);
public int nimage; /* number of images */
public IntPtr images; /* array of XcursorImage pointers */
}
+
+ [StructLayout (LayoutKind.Sequential)]
+ internal struct XIMStyles
+ {
+ public ushort count_styles;
+ public IntPtr supported_styles;
+ }
+
+ [StructLayout (LayoutKind.Sequential)]
+ internal struct XPoint
+ {
+ public short X;
+ public short Y;
+ }
+
+ [StructLayout (LayoutKind.Sequential)]
+ internal struct XIMCallback
+ {
+ public IntPtr client_data;
+ public XIMProc callback;
+
+ public XIMCallback (IntPtr clientData, XIMProc proc)
+ {
+ this.client_data = clientData;
+ this.callback = proc;
+ }
+ }
+
+ internal delegate void XIMProc (IntPtr xim, IntPtr clientData, IntPtr callData);
+
+ internal static class XNames
+ {
+ public const string XNVaNestedList = "XNVaNestedList";
+ public const string XNQueryInputStyle = "queryInputStyle";
+ public const string XNClientWindow = "clientWindow";
+ public const string XNInputStyle = "inputStyle";
+ public const string XNFocusWindow = "focusWindow";
+
+ // XIMPreeditCallbacks delegate names.
+ public const string XNPreeditStartCallback = "preeditStartCallback";
+ public const string XNPreeditDoneCallback = "preeditDoneCallback";
+ public const string XNPreeditDrawCallback = "preeditDrawCallback";
+ public const string XNPreeditCaretCallback = "preeditCaretCallback";
+ public const string XNPreeditStateNotifyCallback = "preeditStateNotifyCallback";
+ public const string XNPreeditAttributes = "preeditAttributes";
+ // XIMStatusCallbacks delegate names.
+ public const string XNStatusStartCallback = "statusStartCallback";
+ public const string XNStatusDoneCallback = "statusDoneCallback";
+ public const string XNStatusDrawCallback = "statusDrawCallback";
+ public const string XNStatusAttributes = "statusAttributes";
+
+ public const string XNArea = "area";
+ public const string XNAreaNeeded = "areaNeeded";
+ public const string XNSpotLocation = "spotLocation";
+ public const string XNFontSet = "fontSet";
+ }
}
projects / mono.git / commitdiff