* win/tkWinKey.c: Add WM_UNICHAR window message support (used by

	* win/tkWinX.c:   virtual keyboard apps). [Bug 1518677] (petasis)

1 files changed, 43 insertions, 1 deletions

diff --git a/win/tkWinX.c b/win/tkWinX.c
index 3a38aab..5614385 100644
--- a/win/tkWinX.c
+++ b/win/tkWinX.c
@@ -10,7 +10,7 @@
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkWinX.c,v 1.53 2006/04/05 20:58:09 hobbs Exp $
+ * RCS: @(#) $Id: tkWinX.c,v 1.54 2006/08/30 21:55:51 hobbs Exp $
  */
 
 /*
@@ -54,6 +54,15 @@
 #   pragma comment (lib, "imm32.lib")
 #endif
 
+/*
+ * WM_UNICHAR is a message for Unicode input on all windows systems.
+ * Perhaps this definition should be moved in another file.
+ */
+#ifndef WM_UNICHAR
+#define WM_UNICHAR     0x0109
+#define UNICODE_NOCHAR 0xFFFF
+#endif
+
 static TkWinProcs asciiProcs = {
     0,
 
@@ -856,6 +865,21 @@ TkWinChildProc(
 	result = TkWinEmbeddedEventProc(hwnd, message, wParam, lParam);
 	break;
 
+    case WM_UNICHAR:
+        if (wParam == UNICODE_NOCHAR) {
+	    /* If wParam is UNICODE_NOCHAR and the application processes
+	     * this message, then return TRUE. */
+	    result = 1;
+	} else {
+	    /* If the event was translated, we must return 0 */
+            if (Tk_TranslateWinEvent(hwnd, message, wParam, lParam, &result)) {
+                result = 0;
+	    } else {
+	        result = 1;
+	    }
+	}
+	break;
+
     default:
 	if (!Tk_TranslateWinEvent(hwnd, message, wParam, lParam, &result)) {
 	    result = DefWindowProc(hwnd, message, wParam, lParam);
@@ -945,6 +969,7 @@ Tk_TranslateWinEvent(
     case WM_SETFOCUS:
     case WM_KILLFOCUS:
     case WM_DESTROYCLIPBOARD:
+    case WM_UNICHAR:
     case WM_CHAR:
     case WM_SYSKEYDOWN:
     case WM_SYSKEYUP:
@@ -1098,6 +1123,7 @@ GenerateXEvent(
 	 */
 
     case WM_CHAR:
+    case WM_UNICHAR:
     case WM_SYSKEYDOWN:
     case WM_SYSKEYUP:
     case WM_KEYDOWN:
@@ -1230,6 +1256,22 @@ GenerateXEvent(
 	    Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
 	    event.type = KeyRelease;
 	    break;
+
+	case WM_UNICHAR: {
+	    char buffer[TCL_UTF_MAX+1];
+	    int i;
+	    event.type = KeyPress;
+	    event.xany.send_event = -3;
+	    event.xkey.keycode = wParam;
+	    event.xkey.nbytes = Tcl_UniCharToUtf(wParam, buffer);
+	    for (i=0; i<event.xkey.nbytes && i<TCL_UTF_MAX; ++i) {
+		event.xkey.trans_chars[i] = buffer[i];
+	    }
+	    Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
+	    event.type = KeyRelease;
+	    break;
+	}
+
 	}
 	break;
     }