diff options
author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
---|---|---|
committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/lib/X11/imTrX.c | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2 nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip |
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:
Imported nx-X11-3.1.0-1.tar.gz
into Git repository
Diffstat (limited to 'nx-X11/lib/X11/imTrX.c')
-rw-r--r-- | nx-X11/lib/X11/imTrX.c | 491 |
1 files changed, 491 insertions, 0 deletions
diff --git a/nx-X11/lib/X11/imTrX.c b/nx-X11/lib/X11/imTrX.c new file mode 100644 index 000000000..e2de05f28 --- /dev/null +++ b/nx-X11/lib/X11/imTrX.c @@ -0,0 +1,491 @@ +/* $Xorg: imTrX.c,v 1.4 2000/08/17 19:45:15 cpqbld Exp $ */ +/****************************************************************** + + Copyright 1992 by Sun Microsystems, Inc. + 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 Sun Microsystems, Inc. +and FUJITSU LIMITED not be used in advertising or publicity pertaining to +distribution of the software without specific, written prior permission. +Sun Microsystems, Inc. and FUJITSU LIMITED makes no representations about +the suitability of this software for any purpose. +It is provided "as is" without express or implied warranty. + +Sun Microsystems Inc. AND FUJITSU LIMITED DISCLAIMS ALL WARRANTIES WITH +REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS, IN NO EVENT SHALL Sun Microsystems, Inc. AND 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 + +******************************************************************/ +/* $XFree86: xc/lib/X11/imTrX.c,v 1.3 2003/04/13 19:22:21 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <string.h> +#include <X11/Xatom.h> +#define NEED_EVENTS +#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; + + 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) { + 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); + XChangeProperty(im->core.display, spec->lib_connect_wid, prop, + XA_STRING, 8, PropModePrepend, &prop_ret[length], + (nitems - length)); + } + } else { + (void)memcpy(buf, prop_ret, buf_len); + *ret_len = buf_len; + len = nitems - buf_len; + + if (bytes_after_ret > 0) { + XFree(prop_ret); + 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); + } + 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; + 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(im, address) + Xim im; + char *address; +{ + XSpecRec *spec; + + if (!(spec = (XSpecRec *)Xmalloc(sizeof(XSpecRec)))) + return False; + bzero(spec, sizeof(XSpecRec)); + + 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; +} |