1 files changed, 121 insertions, 0 deletions
diff --git a/libX11/modules/im/ximcp/imLcFlt.c b/libX11/modules/im/ximcp/imLcFlt.c
new file mode 100644
index 000000000..3b8f69e7d
--- /dev/null
+++ b/libX11/modules/im/ximcp/imLcFlt.c
@@ -0,0 +1,121 @@
+/* $Xorg: imLcFlt.c,v 1.3 2000/08/17 19:45:13 cpqbld Exp $ */
+/******************************************************************
+
+              Copyright 1992 by Fuji Xerox Co., Ltd.
+              Copyright 1992, 1994 by FUJITSU LIMITED
+
+Permission to use, copy, modify, distribute, and sell this software
+and its documentation for any purpose is hereby granted without fee,
+provided that the above copyright notice appear in all copies and
+that both that copyright notice and this permission notice appear
+in supporting documentation, and that the name of Fuji Xerox, 
+FUJITSU LIMITED not be used in advertising or publicity pertaining
+to distribution of the software without specific, written prior
+permission. Fuji Xerox, FUJITSU LIMITED make no representations
+about the suitability of this software for any purpose.
+It is provided "as is" without express or implied warranty.
+
+FUJI XEROX, FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL FUJI XEROX,
+FUJITSU LIMITED BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
+OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+  Author   : Kazunori Nishihara	Fuji Xerox
+  Modifier : Takashi Fujiwara   FUJITSU LIMITED 
+                                fujiwara@a80.tech.yk.fujitsu.co.jp
+
+******************************************************************/
+
+#define NEED_EVENTS
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include <X11/keysym.h>
+#include "Xlcint.h"
+#include "Ximint.h"
+
+Bool
+_XimLocalFilter(d, w, ev, client_data)
+    Display	*d;
+    Window	 w;
+    XEvent	*ev;
+    XPointer	 client_data;
+{
+    Xic		 ic = (Xic)client_data;
+    KeySym	 keysym;
+    static char	 buf[256];
+    DefTree	*b = ic->private.local.base.tree;
+    DTIndex	 t;
+
+    if(ev->xkey.keycode == 0)
+	return (False);
+
+    XLookupString((XKeyEvent *)ev, buf, sizeof(buf), &keysym, NULL);
+
+    if(IsModifierKey(keysym))
+	return (False);
+
+    if(keysym >= XK_braille_dot_1 && keysym <= XK_braille_dot_8) {
+	if(ev->type == KeyPress) {
+	    ic->private.local.brl_pressed |=
+		1<<(keysym-XK_braille_dot_1);
+	} else {
+	    if(!ic->private.local.brl_committing
+		    || ev->xkey.time - ic->private.local.brl_release_start > 300) {
+	    	ic->private.local.brl_committing = ic->private.local.brl_pressed;
+		ic->private.local.brl_release_start = ev->xkey.time;
+	    }
+	    ic->private.local.brl_pressed &= ~(1<<(keysym-XK_braille_dot_1));
+	    if(!ic->private.local.brl_pressed) {
+		if(ic->private.local.brl_committing) {
+		    ic->private.local.brl_committed =
+			ic->private.local.brl_committing;
+		    ic->private.local.composed = 0;
+		    ev->type = KeyPress;
+		    ev->xkey.keycode = 0;
+		    _XPutBackEvent(d, ev);
+		}
+	    }
+	}
+	return(True);
+    }
+
+    if(   (ev->type != KeyPress)
+       || (((Xim)ic->core.im)->private.local.top == 0 ) )
+	return(False);
+
+    for(t = ic->private.local.context; t; t = b[t].next) {
+	if(((ev->xkey.state & b[t].modifier_mask) == b[t].modifier) &&
+	   (keysym == b[t].keysym))
+	    break;
+    }
+
+    if(t) { /* Matched */
+	if(b[t].succession) { /* Intermediate */
+	    ic->private.local.context = b[t].succession;
+	    return(True);
+	} else { /* Terminate (reached to leaf) */
+	    ic->private.local.composed = t;
+	    ic->private.local.brl_committed = 0;
+	    /* return back to client KeyPressEvent keycode == 0 */
+	    ev->xkey.keycode = 0;
+	    _XPutBackEvent(d, ev);
+	    /* initialize internal state for next key sequence */
+	    ic->private.local.context = ((Xim)ic->core.im)->private.local.top;
+	    return(True);
+	}
+    } else { /* Unmatched */
+	if(ic->private.local.context == ((Xim)ic->core.im)->private.local.top) {
+	    return(False);
+	}
+	/* Error (Sequence Unmatch occured) */
+	/* initialize internal state for next key sequence */
+	ic->private.local.context = ((Xim)ic->core.im)->private.local.top;
+	return(True);
+    }
+}