diff options
Diffstat (limited to 'libX11/modules/im/ximcp/imTrX.c')
| -rw-r--r-- | libX11/modules/im/ximcp/imTrX.c | 1036 |
1 files changed, 518 insertions, 518 deletions
diff --git a/libX11/modules/im/ximcp/imTrX.c b/libX11/modules/im/ximcp/imTrX.c index 27ef03e21..d85d1d114 100644 --- a/libX11/modules/im/ximcp/imTrX.c +++ b/libX11/modules/im/ximcp/imTrX.c @@ -1,518 +1,518 @@ -/*
- * Copyright 1992 Oracle and/or its affiliates. All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-/******************************************************************
-
- Copyright 1992, 1993, 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 FUJITSU LIMITED
-not be used in advertising or publicity pertaining to distribution
-of the software without specific, written prior permission.
-FUJITSU LIMITED makes no representations about the suitability of
-this software for any purpose.
-It is provided "as is" without express or implied warranty.
-
-FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
-INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
-EVENT SHALL 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: Hideki Hiura (hhiura@Sun.COM) Sun Microsystems, Inc.
- Takashi Fujiwara FUJITSU LIMITED
- fujiwara@a80.tech.yk.fujitsu.co.jp
-
-******************************************************************/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <string.h>
-#include <X11/Xatom.h>
-#include "Xlibint.h"
-#include "Xlcint.h"
-#include "Ximint.h"
-#include "XimTrInt.h"
-#include "XimTrX.h"
-
-Private Bool
-_XimXRegisterDispatcher(
- Xim im,
- Bool (*callback)(
- Xim, INT16, XPointer, XPointer
- ),
- XPointer call_data)
-{
- XIntrCallbackPtr rec;
- XSpecRec *spec = (XSpecRec *)im->private.proto.spec;
-
- if (!(rec = (XIntrCallbackPtr)Xmalloc(sizeof(XIntrCallbackRec))))
- return False;
-
- rec->func = callback;
- rec->call_data = call_data;
- rec->next = spec->intr_cb;
- spec->intr_cb = rec;
- return True;
-}
-
-Private void
-_XimXFreeIntrCallback(
- Xim im)
-{
- XSpecRec *spec = (XSpecRec *)im->private.proto.spec;
- register XIntrCallbackPtr rec, next;
-
- for (rec = spec->intr_cb; rec;) {
- next = rec->next;
- Xfree(rec);
- rec = next;
- }
- return;
-}
-
-Private Bool
-_XimXCallDispatcher(Xim im, INT16 len, XPointer data)
-{
- register XIntrCallbackRec *rec;
- XSpecRec *spec = (XSpecRec *)im->private.proto.spec;
-
- for (rec = spec->intr_cb; rec; rec = rec->next) {
- if ((*rec->func)(im, len, data, rec->call_data))
- return True;
- }
- return False;
-}
-
-Private Bool
-_XimXFilterWaitEvent(
- Display *d,
- Window w,
- XEvent *ev,
- XPointer arg)
-{
- Xim im = (Xim)arg;
- XSpecRec *spec = (XSpecRec *)im->private.proto.spec;
- Bool ret;
-
- spec->ev = (XPointer)ev;
- ret = _XimFilterWaitEvent(im);
-
- /*
- * If ev is a pointer to a stack variable, there could be
- * a coredump later on if the pointer is dereferenced.
- * Therefore, reset to NULL to force reinitialization in
- * _XimXRead().
- *
- * Keep in mind _XimXRead may be called again when the stack
- * is very different.
- */
- spec->ev = (XPointer)NULL;
-
- return ret;
-}
-
-Private Bool
-_CheckConnect(
- Display *display,
- XEvent *event,
- XPointer xim)
-{
- Xim im = (Xim)xim;
- XSpecRec *spec = (XSpecRec *)im->private.proto.spec;
-
- if ((event->type == ClientMessage)
- && (event->xclient.message_type == spec->imconnectid)) {
- return True;
- }
- return False;
-}
-
-Private Bool
-_XimXConnect(Xim im)
-{
- XEvent event;
- XSpecRec *spec = (XSpecRec *)im->private.proto.spec;
- CARD32 major_code;
- CARD32 minor_code;
-
- if (!(spec->lib_connect_wid = XCreateSimpleWindow(im->core.display,
- DefaultRootWindow(im->core.display), 0, 0, 1, 1, 1, 0, 0))) {
- return False;
- }
-
- event.xclient.type = ClientMessage;
- event.xclient.display = im->core.display;
- event.xclient.window = im->private.proto.im_window;
- event.xclient.message_type = spec->imconnectid;
- event.xclient.format = 32;
- event.xclient.data.l[0] = (CARD32)spec->lib_connect_wid;
- event.xclient.data.l[1] = spec->major_code;
- event.xclient.data.l[2] = spec->minor_code;
- event.xclient.data.l[3] = 0;
- event.xclient.data.l[4] = 0;
-
- if(event.xclient.data.l[1] == 1 || event.xclient.data.l[1] == 2) {
- XWindowAttributes atr;
- long event_mask;
-
- XGetWindowAttributes(im->core.display, spec->lib_connect_wid, &atr);
- event_mask = atr.your_event_mask | PropertyChangeMask;
- XSelectInput(im->core.display, spec->lib_connect_wid, event_mask);
- _XRegisterFilterByType(im->core.display, spec->lib_connect_wid,
- PropertyNotify, PropertyNotify,
- _XimXFilterWaitEvent, (XPointer)im);
- }
-
- XSendEvent(im->core.display, im->private.proto.im_window,
- False, NoEventMask, &event);
- XFlush(im->core.display);
-
- for (;;) {
- XIfEvent(im->core.display, &event, _CheckConnect, (XPointer)im);
- if (event.xclient.type != ClientMessage) {
- return False;
- }
- if (event.xclient.message_type == spec->imconnectid)
- break;
- }
-
- spec->ims_connect_wid = (Window)event.xclient.data.l[0];
- major_code = (CARD32)event.xclient.data.l[1];
- minor_code = (CARD32)event.xclient.data.l[2];
-
- if (((major_code == 0) && (minor_code <= 2)) ||
- ((major_code == 1) && (minor_code == 0)) ||
- ((major_code == 2) && (minor_code <= 1))) {
- spec->major_code = major_code;
- spec->minor_code = minor_code;
- }
- if (((major_code == 0) && (minor_code == 2)) ||
- ((major_code == 2) && (minor_code == 1))) {
- spec->BoundarySize = (CARD32)event.xclient.data.l[3];
- }
-
- /* ClientMessage Event Filter */
- _XRegisterFilterByType(im->core.display, spec->lib_connect_wid,
- ClientMessage, ClientMessage,
- _XimXFilterWaitEvent, (XPointer)im);
- return True;
-}
-
-Private Bool
-_XimXShutdown(Xim im)
-{
- XSpecRec *spec = (XSpecRec *)im->private.proto.spec;
-
- if (!spec)
- return True;
-
- /* ClientMessage Event Filter */
- _XUnregisterFilter(im->core.display,
- ((XSpecRec *)im->private.proto.spec)->lib_connect_wid,
- _XimXFilterWaitEvent, (XPointer)im);
- XDestroyWindow(im->core.display,
- ((XSpecRec *)im->private.proto.spec)->lib_connect_wid);
- _XimXFreeIntrCallback(im);
- Xfree(spec);
- im->private.proto.spec = 0;
- return True;
-}
-
-Private char *
-_NewAtom(
- char *atomName)
-{
- static int sequence = 0;
-
- (void)sprintf(atomName, "_client%d", sequence);
- sequence = ((sequence < 20) ? sequence + 1 : 0);
- return atomName;
-}
-
-Private Bool
-_XimXWrite(Xim im, INT16 len, XPointer data)
-{
- Atom atom;
- char atomName[16];
- XSpecRec *spec = (XSpecRec *)im->private.proto.spec;
- XEvent event;
- CARD8 *p;
- CARD32 major_code = spec->major_code;
- CARD32 minor_code = spec->minor_code;
- int BoundSize;
-
- bzero(&event,sizeof(XEvent));
- event.xclient.type = ClientMessage;
- event.xclient.display = im->core.display;
- event.xclient.window = spec->ims_connect_wid;
- if(major_code == 1 && minor_code == 0) {
- BoundSize = 0;
- } else if((major_code == 0 && minor_code == 2) ||
- (major_code == 2 && minor_code == 1)) {
- BoundSize = spec->BoundarySize;
- } else if(major_code == 0 && minor_code == 1) {
- BoundSize = len;
- } else {
- BoundSize = XIM_CM_DATA_SIZE;
- }
- if (len > BoundSize) {
- event.xclient.message_type = spec->improtocolid;
- atom = XInternAtom(im->core.display, _NewAtom(atomName), False);
- XChangeProperty(im->core.display, spec->ims_connect_wid,
- atom, XA_STRING, 8, PropModeAppend,
- (unsigned char *)data, len);
- if(major_code == 0) {
- event.xclient.format = 32;
- event.xclient.data.l[0] = (long)len;
- event.xclient.data.l[1] = (long)atom;
- XSendEvent(im->core.display, spec->ims_connect_wid,
- False, NoEventMask, &event);
- }
- } else {
- int length;
-
- event.xclient.format = 8;
- for(length = 0 ; length < len ; length += XIM_CM_DATA_SIZE) {
- p = (CARD8 *)&event.xclient.data.b[0];
- if((length + XIM_CM_DATA_SIZE) >= len) {
- event.xclient.message_type = spec->improtocolid;
- bzero(p, XIM_CM_DATA_SIZE);
- memcpy((char *)p, (data + length), (len - length));
- } else {
- event.xclient.message_type = spec->immoredataid;
- memcpy((char *)p, (data + length), XIM_CM_DATA_SIZE);
- }
- XSendEvent(im->core.display, spec->ims_connect_wid,
- False, NoEventMask, &event);
- }
- }
-
- return True;
-}
-
-Private Bool
-_XimXGetReadData(
- Xim im,
- char *buf,
- int buf_len,
- int *ret_len,
- XEvent *event)
-{
- char *data;
- int len;
-
- char tmp_buf[XIM_CM_DATA_SIZE];
- XSpecRec *spec = (XSpecRec *)im->private.proto.spec;
- unsigned long length;
- Atom prop;
- int return_code;
- Atom type_ret;
- int format_ret;
- unsigned long nitems;
- unsigned long bytes_after_ret;
- unsigned char *prop_ret;
-
- if ((event->type == ClientMessage) &&
- !((event->xclient.message_type == spec->improtocolid) ||
- (event->xclient.message_type == spec->immoredataid))) {
- /* This event has nothing to do with us,
- * FIXME should not have gotten here then...
- */
- return False;
- } else if ((event->type == ClientMessage) && (event->xclient.format == 8)) {
- data = event->xclient.data.b;
- if (buf_len >= XIM_CM_DATA_SIZE) {
- (void)memcpy(buf, data, XIM_CM_DATA_SIZE);
- *ret_len = XIM_CM_DATA_SIZE;
- } else {
- (void)memcpy(buf, data, buf_len);
- len = XIM_CM_DATA_SIZE - buf_len;
- (void)memcpy(tmp_buf, &data[buf_len], len);
- bzero(data, XIM_CM_DATA_SIZE);
- (void)memcpy(data, tmp_buf, len);
- XPutBackEvent(im->core.display, event);
- *ret_len = buf_len;
- }
- } else if ((event->type == ClientMessage)
- && (event->xclient.format == 32)) {
- length = (unsigned long)event->xclient.data.l[0];
- prop = (Atom)event->xclient.data.l[1];
- return_code = XGetWindowProperty(im->core.display,
- spec->lib_connect_wid, prop, 0L,
- (long)((length + 3)/ 4), True, AnyPropertyType,
- &type_ret, &format_ret, &nitems, &bytes_after_ret, &prop_ret);
- if (return_code != Success || format_ret == 0 || nitems == 0) {
- if (return_code == Success)
- XFree(prop_ret);
- return False;
- }
- if (buf_len >= length) {
- (void)memcpy(buf, prop_ret, (int)nitems);
- *ret_len = (int)nitems;
- if (bytes_after_ret > 0) {
- XFree(prop_ret);
- if (XGetWindowProperty(im->core.display,
- spec->lib_connect_wid, prop, 0L,
- ((length + bytes_after_ret + 3)/ 4),
- True, AnyPropertyType,
- &type_ret, &format_ret, &nitems,
- &bytes_after_ret,
- &prop_ret) == Success) {
- XChangeProperty(im->core.display, spec->lib_connect_wid, prop,
- XA_STRING, 8, PropModePrepend, &prop_ret[length],
- (nitems - length));
- } else {
- return False;
- }
- }
- } else {
- (void)memcpy(buf, prop_ret, buf_len);
- *ret_len = buf_len;
- len = nitems - buf_len;
-
- if (bytes_after_ret > 0) {
- XFree(prop_ret);
- if (XGetWindowProperty(im->core.display,
- spec->lib_connect_wid, prop, 0L,
- ((length + bytes_after_ret + 3)/ 4),
- True, AnyPropertyType,
- &type_ret, &format_ret, &nitems,
- &bytes_after_ret, &prop_ret) != Success) {
- return False;
- }
- }
- XChangeProperty(im->core.display, spec->lib_connect_wid, prop,
- XA_STRING, 8, PropModePrepend, &prop_ret[buf_len], len);
- event->xclient.data.l[0] = (long)len;
- event->xclient.data.l[1] = (long)prop;
- XPutBackEvent(im->core.display, event);
- }
- XFree(prop_ret);
- } else if (event->type == PropertyNotify) {
- prop = event->xproperty.atom;
- return_code = XGetWindowProperty(im->core.display,
- spec->lib_connect_wid, prop, 0L,
- 1000000L, True, AnyPropertyType,
- &type_ret, &format_ret, &nitems, &bytes_after_ret, &prop_ret);
- if (return_code != Success || format_ret == 0 || nitems == 0) {
- if (return_code == Success)
- XFree(prop_ret);
- return False;
- }
- if (buf_len >= nitems) {
- (void)memcpy(buf, prop_ret, (int)nitems);
- *ret_len = (int)nitems;
- } else {
- (void)memcpy(buf, prop_ret, buf_len);
- *ret_len = buf_len;
- len = nitems - buf_len;
- XChangeProperty(im->core.display, spec->lib_connect_wid, prop,
- XA_STRING, 8, PropModePrepend, &prop_ret[buf_len], len);
- }
- XFree(prop_ret);
- }
- return True;
-}
-
-Private Bool
-_CheckCMEvent(
- Display *display,
- XEvent *event,
- XPointer xim)
-{
- Xim im = (Xim)xim;
- XSpecRec *spec = (XSpecRec *)im->private.proto.spec;
- CARD32 major_code = spec->major_code;
-
- if ((event->type == ClientMessage)
- &&((event->xclient.message_type == spec->improtocolid) ||
- (event->xclient.message_type == spec->immoredataid)))
- return True;
- if((major_code == 1 || major_code == 2) &&
- (event->type == PropertyNotify) &&
- (event->xproperty.state == PropertyNewValue))
- return True;
- return False;
-}
-
-Private Bool
-_XimXRead(Xim im, XPointer recv_buf, int buf_len, int *ret_len)
-{
- XEvent *ev;
- XEvent event;
- int len = 0;
- XSpecRec *spec = (XSpecRec *)im->private.proto.spec;
- XPointer arg = spec->ev;
-
- if (!arg) {
- bzero(&event, sizeof(XEvent));
- ev = &event;
- XIfEvent(im->core.display, ev, _CheckCMEvent, (XPointer)im);
- } else {
- ev = (XEvent *)arg;
- spec->ev = (XPointer)NULL;
- }
- if (!(_XimXGetReadData(im, recv_buf, buf_len, &len, ev)))
- return False;
- *ret_len = len;
- return True;
-}
-
-Private void
-_XimXFlush(Xim im)
-{
- XFlush(im->core.display);
- return;
-}
-
-Public Bool
-_XimXConf(Xim im, char *address)
-{
- XSpecRec *spec;
-
- if (!(spec = Xcalloc(1, sizeof(XSpecRec))))
- return False;
-
- spec->improtocolid = XInternAtom(im->core.display, _XIM_PROTOCOL, False);
- spec->imconnectid = XInternAtom(im->core.display, _XIM_XCONNECT, False);
- spec->immoredataid = XInternAtom(im->core.display, _XIM_MOREDATA, False);
- spec->major_code = MAJOR_TRANSPORT_VERSION;
- spec->minor_code = MINOR_TRANSPORT_VERSION;
-
- im->private.proto.spec = (XPointer)spec;
- im->private.proto.connect = _XimXConnect;
- im->private.proto.shutdown = _XimXShutdown;
- im->private.proto.write = _XimXWrite;
- im->private.proto.read = _XimXRead;
- im->private.proto.flush = _XimXFlush;
- im->private.proto.register_dispatcher = _XimXRegisterDispatcher;
- im->private.proto.call_dispatcher = _XimXCallDispatcher;
-
- return True;
-}
+/* + * Copyright 1992 Oracle and/or its affiliates. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +/****************************************************************** + + Copyright 1992, 1993, 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 FUJITSU LIMITED +not be used in advertising or publicity pertaining to distribution +of the software without specific, written prior permission. +FUJITSU LIMITED makes no representations about the suitability of +this software for any purpose. +It is provided "as is" without express or implied warranty. + +FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, +INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO +EVENT SHALL 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: Hideki Hiura (hhiura@Sun.COM) Sun Microsystems, Inc. + Takashi Fujiwara FUJITSU LIMITED + fujiwara@a80.tech.yk.fujitsu.co.jp + +******************************************************************/ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <string.h> +#include <X11/Xatom.h> +#include "Xlibint.h" +#include "Xlcint.h" +#include "Ximint.h" +#include "XimTrInt.h" +#include "XimTrX.h" + +Private Bool +_XimXRegisterDispatcher( + Xim im, + Bool (*callback)( + Xim, INT16, XPointer, XPointer + ), + XPointer call_data) +{ + XIntrCallbackPtr rec; + XSpecRec *spec = (XSpecRec *)im->private.proto.spec; + + if (!(rec = (XIntrCallbackPtr)Xmalloc(sizeof(XIntrCallbackRec)))) + return False; + + rec->func = callback; + rec->call_data = call_data; + rec->next = spec->intr_cb; + spec->intr_cb = rec; + return True; +} + +Private void +_XimXFreeIntrCallback( + Xim im) +{ + XSpecRec *spec = (XSpecRec *)im->private.proto.spec; + register XIntrCallbackPtr rec, next; + + for (rec = spec->intr_cb; rec;) { + next = rec->next; + Xfree(rec); + rec = next; + } + return; +} + +Private Bool +_XimXCallDispatcher(Xim im, INT16 len, XPointer data) +{ + register XIntrCallbackRec *rec; + XSpecRec *spec = (XSpecRec *)im->private.proto.spec; + + for (rec = spec->intr_cb; rec; rec = rec->next) { + if ((*rec->func)(im, len, data, rec->call_data)) + return True; + } + return False; +} + +Private Bool +_XimXFilterWaitEvent( + Display *d, + Window w, + XEvent *ev, + XPointer arg) +{ + Xim im = (Xim)arg; + XSpecRec *spec = (XSpecRec *)im->private.proto.spec; + Bool ret; + + spec->ev = (XPointer)ev; + ret = _XimFilterWaitEvent(im); + + /* + * If ev is a pointer to a stack variable, there could be + * a coredump later on if the pointer is dereferenced. + * Therefore, reset to NULL to force reinitialization in + * _XimXRead(). + * + * Keep in mind _XimXRead may be called again when the stack + * is very different. + */ + spec->ev = (XPointer)NULL; + + return ret; +} + +Private Bool +_CheckConnect( + Display *display, + XEvent *event, + XPointer xim) +{ + Xim im = (Xim)xim; + XSpecRec *spec = (XSpecRec *)im->private.proto.spec; + + if ((event->type == ClientMessage) + && (event->xclient.message_type == spec->imconnectid)) { + return True; + } + return False; +} + +Private Bool +_XimXConnect(Xim im) +{ + XEvent event; + XSpecRec *spec = (XSpecRec *)im->private.proto.spec; + CARD32 major_code; + CARD32 minor_code; + + if (!(spec->lib_connect_wid = XCreateSimpleWindow(im->core.display, + DefaultRootWindow(im->core.display), 0, 0, 1, 1, 1, 0, 0))) { + return False; + } + + event.xclient.type = ClientMessage; + event.xclient.display = im->core.display; + event.xclient.window = im->private.proto.im_window; + event.xclient.message_type = spec->imconnectid; + event.xclient.format = 32; + event.xclient.data.l[0] = (CARD32)spec->lib_connect_wid; + event.xclient.data.l[1] = spec->major_code; + event.xclient.data.l[2] = spec->minor_code; + event.xclient.data.l[3] = 0; + event.xclient.data.l[4] = 0; + + if(event.xclient.data.l[1] == 1 || event.xclient.data.l[1] == 2) { + XWindowAttributes atr; + long event_mask; + + XGetWindowAttributes(im->core.display, spec->lib_connect_wid, &atr); + event_mask = atr.your_event_mask | PropertyChangeMask; + XSelectInput(im->core.display, spec->lib_connect_wid, event_mask); + _XRegisterFilterByType(im->core.display, spec->lib_connect_wid, + PropertyNotify, PropertyNotify, + _XimXFilterWaitEvent, (XPointer)im); + } + + XSendEvent(im->core.display, im->private.proto.im_window, + False, NoEventMask, &event); + XFlush(im->core.display); + + for (;;) { + XIfEvent(im->core.display, &event, _CheckConnect, (XPointer)im); + if (event.xclient.type != ClientMessage) { + return False; + } + if (event.xclient.message_type == spec->imconnectid) + break; + } + + spec->ims_connect_wid = (Window)event.xclient.data.l[0]; + major_code = (CARD32)event.xclient.data.l[1]; + minor_code = (CARD32)event.xclient.data.l[2]; + + if (((major_code == 0) && (minor_code <= 2)) || + ((major_code == 1) && (minor_code == 0)) || + ((major_code == 2) && (minor_code <= 1))) { + spec->major_code = major_code; + spec->minor_code = minor_code; + } + if (((major_code == 0) && (minor_code == 2)) || + ((major_code == 2) && (minor_code == 1))) { + spec->BoundarySize = (CARD32)event.xclient.data.l[3]; + } + + /* ClientMessage Event Filter */ + _XRegisterFilterByType(im->core.display, spec->lib_connect_wid, + ClientMessage, ClientMessage, + _XimXFilterWaitEvent, (XPointer)im); + return True; +} + +Private Bool +_XimXShutdown(Xim im) +{ + XSpecRec *spec = (XSpecRec *)im->private.proto.spec; + + if (!spec) + return True; + + /* ClientMessage Event Filter */ + _XUnregisterFilter(im->core.display, + ((XSpecRec *)im->private.proto.spec)->lib_connect_wid, + _XimXFilterWaitEvent, (XPointer)im); + XDestroyWindow(im->core.display, + ((XSpecRec *)im->private.proto.spec)->lib_connect_wid); + _XimXFreeIntrCallback(im); + Xfree(spec); + im->private.proto.spec = 0; + return True; +} + +Private char * +_NewAtom( + char *atomName) +{ + static int sequence = 0; + + (void)sprintf(atomName, "_client%d", sequence); + sequence = ((sequence < 20) ? sequence + 1 : 0); + return atomName; +} + +Private Bool +_XimXWrite(Xim im, INT16 len, XPointer data) +{ + Atom atom; + char atomName[16]; + XSpecRec *spec = (XSpecRec *)im->private.proto.spec; + XEvent event; + CARD8 *p; + CARD32 major_code = spec->major_code; + CARD32 minor_code = spec->minor_code; + int BoundSize; + + bzero(&event,sizeof(XEvent)); + event.xclient.type = ClientMessage; + event.xclient.display = im->core.display; + event.xclient.window = spec->ims_connect_wid; + if(major_code == 1 && minor_code == 0) { + BoundSize = 0; + } else if((major_code == 0 && minor_code == 2) || + (major_code == 2 && minor_code == 1)) { + BoundSize = spec->BoundarySize; + } else if(major_code == 0 && minor_code == 1) { + BoundSize = len; + } else { + BoundSize = XIM_CM_DATA_SIZE; + } + if (len > BoundSize) { + event.xclient.message_type = spec->improtocolid; + atom = XInternAtom(im->core.display, _NewAtom(atomName), False); + XChangeProperty(im->core.display, spec->ims_connect_wid, + atom, XA_STRING, 8, PropModeAppend, + (unsigned char *)data, len); + if(major_code == 0) { + event.xclient.format = 32; + event.xclient.data.l[0] = (long)len; + event.xclient.data.l[1] = (long)atom; + XSendEvent(im->core.display, spec->ims_connect_wid, + False, NoEventMask, &event); + } + } else { + int length; + + event.xclient.format = 8; + for(length = 0 ; length < len ; length += XIM_CM_DATA_SIZE) { + p = (CARD8 *)&event.xclient.data.b[0]; + if((length + XIM_CM_DATA_SIZE) >= len) { + event.xclient.message_type = spec->improtocolid; + bzero(p, XIM_CM_DATA_SIZE); + memcpy((char *)p, (data + length), (len - length)); + } else { + event.xclient.message_type = spec->immoredataid; + memcpy((char *)p, (data + length), XIM_CM_DATA_SIZE); + } + XSendEvent(im->core.display, spec->ims_connect_wid, + False, NoEventMask, &event); + } + } + + return True; +} + +Private Bool +_XimXGetReadData( + Xim im, + char *buf, + int buf_len, + int *ret_len, + XEvent *event) +{ + char *data; + int len; + + char tmp_buf[XIM_CM_DATA_SIZE]; + XSpecRec *spec = (XSpecRec *)im->private.proto.spec; + unsigned long length; + Atom prop; + int return_code; + Atom type_ret; + int format_ret; + unsigned long nitems; + unsigned long bytes_after_ret; + unsigned char *prop_ret; + + if ((event->type == ClientMessage) && + !((event->xclient.message_type == spec->improtocolid) || + (event->xclient.message_type == spec->immoredataid))) { + /* This event has nothing to do with us, + * FIXME should not have gotten here then... + */ + return False; + } else if ((event->type == ClientMessage) && (event->xclient.format == 8)) { + data = event->xclient.data.b; + if (buf_len >= XIM_CM_DATA_SIZE) { + (void)memcpy(buf, data, XIM_CM_DATA_SIZE); + *ret_len = XIM_CM_DATA_SIZE; + } else { + (void)memcpy(buf, data, buf_len); + len = XIM_CM_DATA_SIZE - buf_len; + (void)memcpy(tmp_buf, &data[buf_len], len); + bzero(data, XIM_CM_DATA_SIZE); + (void)memcpy(data, tmp_buf, len); + XPutBackEvent(im->core.display, event); + *ret_len = buf_len; + } + } else if ((event->type == ClientMessage) + && (event->xclient.format == 32)) { + length = (unsigned long)event->xclient.data.l[0]; + prop = (Atom)event->xclient.data.l[1]; + return_code = XGetWindowProperty(im->core.display, + spec->lib_connect_wid, prop, 0L, + (long)((length + 3)/ 4), True, AnyPropertyType, + &type_ret, &format_ret, &nitems, &bytes_after_ret, &prop_ret); + if (return_code != Success || format_ret == 0 || nitems == 0) { + if (return_code == Success) + XFree(prop_ret); + return False; + } + if (buf_len >= length) { + (void)memcpy(buf, prop_ret, (int)nitems); + *ret_len = (int)nitems; + if (bytes_after_ret > 0) { + XFree(prop_ret); + if (XGetWindowProperty(im->core.display, + spec->lib_connect_wid, prop, 0L, + ((length + bytes_after_ret + 3)/ 4), + True, AnyPropertyType, + &type_ret, &format_ret, &nitems, + &bytes_after_ret, + &prop_ret) == Success) { + XChangeProperty(im->core.display, spec->lib_connect_wid, prop, + XA_STRING, 8, PropModePrepend, &prop_ret[length], + (nitems - length)); + } else { + return False; + } + } + } else { + (void)memcpy(buf, prop_ret, buf_len); + *ret_len = buf_len; + len = nitems - buf_len; + + if (bytes_after_ret > 0) { + XFree(prop_ret); + if (XGetWindowProperty(im->core.display, + spec->lib_connect_wid, prop, 0L, + ((length + bytes_after_ret + 3)/ 4), + True, AnyPropertyType, + &type_ret, &format_ret, &nitems, + &bytes_after_ret, &prop_ret) != Success) { + return False; + } + } + XChangeProperty(im->core.display, spec->lib_connect_wid, prop, + XA_STRING, 8, PropModePrepend, &prop_ret[buf_len], len); + event->xclient.data.l[0] = (long)len; + event->xclient.data.l[1] = (long)prop; + XPutBackEvent(im->core.display, event); + } + XFree(prop_ret); + } else if (event->type == PropertyNotify) { + prop = event->xproperty.atom; + return_code = XGetWindowProperty(im->core.display, + spec->lib_connect_wid, prop, 0L, + 1000000L, True, AnyPropertyType, + &type_ret, &format_ret, &nitems, &bytes_after_ret, &prop_ret); + if (return_code != Success || format_ret == 0 || nitems == 0) { + if (return_code == Success) + XFree(prop_ret); + return False; + } + if (buf_len >= nitems) { + (void)memcpy(buf, prop_ret, (int)nitems); + *ret_len = (int)nitems; + } else { + (void)memcpy(buf, prop_ret, buf_len); + *ret_len = buf_len; + len = nitems - buf_len; + XChangeProperty(im->core.display, spec->lib_connect_wid, prop, + XA_STRING, 8, PropModePrepend, &prop_ret[buf_len], len); + } + XFree(prop_ret); + } + return True; +} + +Private Bool +_CheckCMEvent( + Display *display, + XEvent *event, + XPointer xim) +{ + Xim im = (Xim)xim; + XSpecRec *spec = (XSpecRec *)im->private.proto.spec; + CARD32 major_code = spec->major_code; + + if ((event->type == ClientMessage) + &&((event->xclient.message_type == spec->improtocolid) || + (event->xclient.message_type == spec->immoredataid))) + return True; + if((major_code == 1 || major_code == 2) && + (event->type == PropertyNotify) && + (event->xproperty.state == PropertyNewValue)) + return True; + return False; +} + +Private Bool +_XimXRead(Xim im, XPointer recv_buf, int buf_len, int *ret_len) +{ + XEvent *ev; + XEvent event; + int len = 0; + XSpecRec *spec = (XSpecRec *)im->private.proto.spec; + XPointer arg = spec->ev; + + if (!arg) { + bzero(&event, sizeof(XEvent)); + ev = &event; + XIfEvent(im->core.display, ev, _CheckCMEvent, (XPointer)im); + } else { + ev = (XEvent *)arg; + spec->ev = (XPointer)NULL; + } + if (!(_XimXGetReadData(im, recv_buf, buf_len, &len, ev))) + return False; + *ret_len = len; + return True; +} + +Private void +_XimXFlush(Xim im) +{ + XFlush(im->core.display); + return; +} + +Public Bool +_XimXConf(Xim im, char *address) +{ + XSpecRec *spec; + + if (!(spec = Xcalloc(1, sizeof(XSpecRec)))) + return False; + + spec->improtocolid = XInternAtom(im->core.display, _XIM_PROTOCOL, False); + spec->imconnectid = XInternAtom(im->core.display, _XIM_XCONNECT, False); + spec->immoredataid = XInternAtom(im->core.display, _XIM_MOREDATA, False); + spec->major_code = MAJOR_TRANSPORT_VERSION; + spec->minor_code = MINOR_TRANSPORT_VERSION; + + im->private.proto.spec = (XPointer)spec; + im->private.proto.connect = _XimXConnect; + im->private.proto.shutdown = _XimXShutdown; + im->private.proto.write = _XimXWrite; + im->private.proto.read = _XimXRead; + im->private.proto.flush = _XimXFlush; + im->private.proto.register_dispatcher = _XimXRegisterDispatcher; + im->private.proto.call_dispatcher = _XimXCallDispatcher; + + return True; +} |