diff options
Diffstat (limited to 'libX11/modules/im/ximcp/imLcFlt.c')
| -rw-r--r-- | libX11/modules/im/ximcp/imLcFlt.c | 121 |
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); + } +} |