From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- nx-X11/lib/X11/imExten.c | 579 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 579 insertions(+) create mode 100644 nx-X11/lib/X11/imExten.c (limited to 'nx-X11/lib/X11/imExten.c') diff --git a/nx-X11/lib/X11/imExten.c b/nx-X11/lib/X11/imExten.c new file mode 100644 index 000000000..782d1c356 --- /dev/null +++ b/nx-X11/lib/X11/imExten.c @@ -0,0 +1,579 @@ +/* $Xorg: imExten.c,v 1.3 2000/08/17 19:45:12 cpqbld Exp $ */ +/****************************************************************** + + 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: Takashi Fujiwara FUJITSU LIMITED + fujiwara@a80.tech.yk.fujitsu.co.jp + +******************************************************************/ +/* $XFree86: xc/lib/X11/imExten.c,v 1.4 2003/04/13 19:22:21 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include +#define NEED_EVENTS +#include "Xlibint.h" +#include "Xlcint.h" +#include "Ximint.h" + +/* + * index of extensions + */ + +#define XIM_EXT_SET_EVENT_MASK_IDX 0 +#ifdef EXT_FORWARD +#define XIM_EXT_FORWARD_KEYEVENT_IDX 1 +#endif +#ifdef EXT_MOVE +#define XIM_EXT_MOVE_IDX 2 +#endif + +typedef struct _XIM_QueryExtRec { + Bool is_support; + char *name; + int name_len; + CARD16 major_opcode; + CARD16 minor_opcode; + int idx; +} XIM_QueryExtRec; + +Private XIM_QueryExtRec extensions[] = { + {False, "XIM_EXT_SET_EVENT_MASK", 0, 0, 0, + XIM_EXT_SET_EVENT_MASK_IDX}, +#ifdef EXT_FORWARD + {False, "XIM_EXT_FORWARD_KEYEVENT", 0, 0, 0, + XIM_EXT_FORWARD_KEYEVENT_IDX}, +#endif +#ifdef EXT_MOVE + {False, "XIM_EXT_MOVE", 0, 0, 0, XIM_EXT_MOVE_IDX}, +#endif + {False, NULL, 0, 0, 0, 0} /* dummy */ +}; + +Private int +_XimIsSupportExt( + int idx) +{ + register int i; + int n = XIMNumber(extensions) - 1; + + for (i = 0; i < n; i++) { + if (extensions[i].idx == idx) { + if (extensions[i].is_support) + return i; + else + break; + } + } + return -1; +} + +Private Bool +_XimProcExtSetEventMask( + Xim im, + Xic ic, + XPointer buf) +{ + EVENTMASK *buf_l = (EVENTMASK *)buf; + EVENTMASK select_mask = _XimGetWindowEventmask(ic); + + ic->private.proto.filter_event_mask = buf_l[0]; + ic->private.proto.intercept_event_mask = buf_l[1]; + ic->private.proto.select_event_mask = buf_l[2]; + ic->private.proto.forward_event_mask = buf_l[3]; + ic->private.proto.synchronous_event_mask = buf_l[4]; + + select_mask &= ~ic->private.proto.intercept_event_mask; + /* deselected event mask */ + select_mask |= ic->private.proto.select_event_mask; + /* selected event mask */ + XSelectInput(im->core.display, ic->core.focus_window, select_mask); + _XimReregisterFilter(ic); + + if (!(_XimProcSyncReply(im, ic))) + return False; + return True; +} + +Private Bool +_XimExtSetEventMaskCallback( + Xim xim, + INT16 len, + XPointer data, + XPointer call_data) +{ + CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); + XIMID imid = buf_s[0]; + XICID icid = buf_s[1]; + Xim im = (Xim)call_data; + Xic ic; + + if ((imid == im->private.proto.imid) + && (ic = _XimICOfXICID(im, icid))) { + (void)_XimProcExtSetEventMask(im, ic, (XPointer)&buf_s[2]); + return True; + } + return False; +} + +#ifdef EXT_FORWARD +Private Bool +_XimProcExtForwardKeyEvent( + Xim im, + Xic ic, + XPointer buf) +{ + CARD8 *buf_b = (CARD8 *)buf; + CARD16 *buf_s = (CARD16 *)buf; + CARD32 *buf_l = (CARD32 *)buf; + XEvent ev; + XKeyEvent *kev = (XKeyEvent *)&ev; + + bzero(&ev, sizeof(XEvent)); + kev->send_event = False; + kev->display = im->core.display; + kev->serial = buf_s[1]; /* sequence number */ + kev->type = buf_b[4] & 0x7f; /* xEvent.u.u.type */ + kev->keycode = buf_b[5]; /* Keycode */ + kev->state = buf_s[3]; /* state */ + kev->time = buf_l[2]; /* time */ + + XPutBackEvent(im->core.display, &ev); + + _XimRespSyncReply(ic, buf_s[0]); + MARK_FABLICATED(ic); + + return True; +} + +Private Bool +_XimExtForwardKeyEventCallback( + Xim xim, + INT16 len, + XPointer data, + XPointer call_data) +{ + CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); + XIMID imid = buf_s[0]; + XICID icid = buf_s[1]; + Xim im = (Xim)call_data; + Xic ic; + + if ((imid == im->private.proto.imid) + && (ic = _XimICOfXICID(im, icid))) { + (void)_XimProcExtForwardKeyEvent(im, ic, (XPointer)&buf_s[2]); + return True; + } + return False; +} + +Private Bool +_XimExtForwardKeyEventCheck( + Xim im, + INT16 len, + XPointer data, + XPointer arg) +{ + Xic ic = (Xic)arg; + CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); + CARD8 major_opcode = *((CARD8 *)data); + CARD8 minor_opcode = *((CARD8 *)data + 1); + XIMID imid = buf_s[0]; + XICID icid = buf_s[1]; + + if ((major_opcode == XIM_SYNC_REPLY) + && (minor_opcode == 0) + && (imid == im->private.proto.imid) + && (icid == ic->private.proto.icid)) + if ((major_opcode == XIM_ERROR) + && (minor_opcode == 0) + && (buf_s[2] & XIM_IMID_VALID) + && (imid == im->private.proto.imid) + && (buf_s[2] & XIM_ICID_VALID) + && (icid == ic->private.proto.icid)) + return True; + return False; +} + +Public Bool +_XimExtForwardKeyEvent( + Xic ic, + XKeyEvent *ev, + Bool sync) +{ + Xim im = (Xim) ic->core.im; + CARD32 buf32[BUFSIZE/4]; + CARD8 *buf = (CARD8 *)buf32; + CARD8 *buf_b = &buf[XIM_HEADER_SIZE]; + CARD16 *buf_s = (CARD16 *)buf_b; + CARD32 *buf_l = (CARD32 *)buf_b; + CARD32 reply32[BUFSIZE/4]; + char *reply = (char *)reply32; + XPointer preply; + int buf_size; + int ret_code; + INT16 len; + int idx; + + if ((idx = _XimIsSupportExt(XIM_EXT_FORWARD_KEYEVENT_IDX)) < 0) + return False; + + buf_s[0] = im->private.proto.imid; /* imid */ + buf_s[1] = ic->private.proto.icid; /* icid */ + buf_s[2] = sync ? XimSYNCHRONUS : 0; /* flag */ + buf_s[3] = (CARD16)(((XAnyEvent *)ev)->serial & ((unsigned long) 0xffff)); + /* sequence number */ + buf_b[8] = ev->type; /* xEvent.u.u.type */ + buf_b[9] = ev->keycode; /* keycode */ + buf_s[5] = ev->state; /* state */ + buf_l[3] = ev->time; /* time */ + len = sizeof(CARD16) /* sizeof imid */ + + sizeof(CARD16) /* sizeof icid */ + + sizeof(BITMASK16) /* sizeof flag */ + + sizeof(CARD16) /* sizeof sequence number */ + + sizeof(BYTE) /* sizeof xEvent.u.u.type */ + + sizeof(BYTE) /* sizeof keycode */ + + sizeof(CARD16) /* sizeof state */ + + sizeof(CARD32); /* sizeof time */ + + _XimSetHeader((XPointer)buf, + extensions[idx].major_opcode, + extensions[idx].minor_opcode, &len); + if (!(_XimWrite(im, len, (XPointer)buf))) + return False; + _XimFlush(im); + if (sync) { + buf_size = BUFSIZE; + ret_code = _XimRead(im, &len, (XPointer)reply, buf_size, + _XimExtForwardKeyEventCheck, (XPointer)ic); + if(ret_code == XIM_TRUE) { + preply = reply; + } else if(ret_code == XIM_OVERFLOW) { + if(len <= 0) { + preply = reply; + } else { + buf_sizex = len; + preply = (XPointer)Xmalloc(buf_size); + ret_code = _XimRead(im, &len, preply, buf_size, + _XimExtForwardKeyEventCheck, (XPointer)ic); + if(ret_code != XIM_TRUE) { + Xfree(preply); + return False; + } + } + } else + return False; + buf_s = (CARD16 *)((char *)preply + XIM_HEADER_SIZE); + if (*((CARD8 *)preply) == XIM_ERROR) { + _XimProcError(im, 0, (XPointer)&buf_s[3]); + if(reply != preply) + Xfree(preply); + return False; + } + if(reply != preply) + Xfree(preply); + } + return True; +} +#endif /* EXT_FORWARD */ + +Private int +_XimCheckExtensionListSize(void) +{ + register int i; + int len; + int total = 0; + int n = XIMNumber(extensions) - 1; + + for (i = 0; i < n; i++) { + len = strlen(extensions[i].name); + extensions[i].name_len = len; + len += sizeof(BYTE); + total += len; + } + return total; +} + +Private void +_XimSetExtensionList( + CARD8 *buf) +{ + register int i; + int len; + int n = XIMNumber(extensions) - 1; + + for (i = 0; i < n; i++) { + len = extensions[i].name_len; + buf[0] = (BYTE)len; + (void)strcpy((char *)&buf[1], extensions[i].name); + len += sizeof(BYTE); + buf += len; + } + return; +} + +Private unsigned int +_XimCountNumberOfExtension( + INT16 total, + CARD8 *ext) +{ + unsigned int n; + INT16 len; + INT16 min_len = sizeof(CARD8) + + sizeof(CARD8) + + sizeof(INT16); + + n = 0; + while (total > min_len) { + len = *((INT16 *)(&ext[2])); + len += (min_len + XIM_PAD(len)); + total -= len; + ext += len; + n++; + } + return n; +} + +Private Bool +_XimParseExtensionList( + Xim im, + CARD16 *data) +{ + int num = XIMNumber(extensions) - 1; + unsigned int n; + CARD8 *buf; + register int i; + register int j; + INT16 len; + + if (!(n = _XimCountNumberOfExtension(data[0], (CARD8 *)&data[1]))) + return True; + + buf = (CARD8 *)&data[1];; + for (i = 0; i < n; i++) { + len = *((INT16 *)(&buf[2])); + for (j = 0; j < num; j++) { + if (!(strncmp(extensions[j].name, (char *)&buf[4], len))) { + extensions[j].major_opcode = buf[0]; + extensions[j].minor_opcode = buf[1]; + extensions[j].is_support = True; + break; + } + } + len += sizeof(CARD8) /* sizeof major_opcode */ + + sizeof(CARD8) /* sizeof minor_opcode */ + + sizeof(INT16) /* sizeof length */ + + XIM_PAD(len); /* sizeof pad */ + buf += len; + } + + return True; +} + +Private Bool +_XimQueryExtensionCheck( + Xim im, + INT16 len, + XPointer data, + XPointer arg) +{ + CARD16 *buf_s = (CARD16 *)((CARD8 *)data + XIM_HEADER_SIZE); + CARD8 major_opcode = *((CARD8 *)data); + CARD8 minor_opcode = *((CARD8 *)data + 1); + XIMID imid = buf_s[0]; + + if ((major_opcode == XIM_QUERY_EXTENSION_REPLY) + && (minor_opcode == 0) + && (imid == im->private.proto.imid)) + return True; + if ((major_opcode == XIM_ERROR) + && (minor_opcode == 0) + && (buf_s[2] & XIM_IMID_VALID) + && (imid == im->private.proto.imid)) + return True; + return False; +} + +Public Bool +_XimExtension( + Xim im) +{ + CARD8 *buf; + CARD16 *buf_s; + int buf_len; + INT16 len; + CARD32 reply32[BUFSIZE/4]; + char *reply = (char *)reply32; + XPointer preply; + int buf_size; + int ret_code; + int idx; + + if (!(len = _XimCheckExtensionListSize())) + return True; + + buf_len = XIM_HEADER_SIZE + + sizeof(CARD16) + + sizeof(INT16) + + len + + XIM_PAD(len); + + if (!(buf = (CARD8 *)Xmalloc(buf_len))) + return False; + buf_s = (CARD16 *)&buf[XIM_HEADER_SIZE]; + + buf_s[0] = im->private.proto.imid; /* imid */ + buf_s[1] = len; /* length of Extensions */ + _XimSetExtensionList((CARD8 *)&buf_s[2]); + /* extensions supported */ + XIM_SET_PAD(&buf_s[2], len); /* pad */ + len += sizeof(CARD16) /* sizeof imid */ + + sizeof(INT16); /* sizeof length of extensions */ + + _XimSetHeader((XPointer)buf, XIM_QUERY_EXTENSION, 0, &len); + if (!(_XimWrite(im, len, (XPointer)buf))) { + XFree(buf); + return False; + } + XFree(buf); + _XimFlush(im); + buf_size = BUFSIZE; + ret_code = _XimRead(im, &len, (XPointer)reply, buf_size, + _XimQueryExtensionCheck, 0); + if(ret_code == XIM_TRUE) { + preply = reply; + } else if(ret_code == XIM_OVERFLOW) { + if(len <= 0) { + preply = reply; + } else { + buf_size = len; + preply = (XPointer)Xmalloc(buf_size); + ret_code = _XimRead(im, &len, reply, buf_size, + _XimQueryExtensionCheck, 0); + if(ret_code != XIM_TRUE) { + Xfree(preply); + return False; + } + } + } else + return False; + buf_s = (CARD16 *)((char *)preply + XIM_HEADER_SIZE); + if (*((CARD8 *)preply) == XIM_ERROR) { + _XimProcError(im, 0, (XPointer)&buf_s[3]); + if(reply != preply) + Xfree(preply); + return False; + } + + if (!(_XimParseExtensionList(im, &buf_s[1]))) { + if(reply != preply) + Xfree(preply); + return False; + } + if(reply != preply) + Xfree(preply); + + if ((idx = _XimIsSupportExt(XIM_EXT_SET_EVENT_MASK_IDX)) >= 0) + _XimRegProtoIntrCallback(im, + extensions[idx].major_opcode, + extensions[idx].minor_opcode, + _XimExtSetEventMaskCallback, (XPointer)im); +#ifdef EXT_FORWARD + if ((idx = _XimIsSupportExt(XIM_EXT_FORWARD_KEYEVENT_IDX)) >= 0) + _XimRegProtoIntrCallback(im, + extensions[idx].major_opcode, + extensions[idx].minor_opcode, + _XimExtForwardKeyEventCallback, (XPointer)im); +#endif + + return True; +} + +#ifdef EXT_MOVE +/* flag of ExtenArgCheck */ +#define EXT_XNSPOTLOCATION (1L<<0) + +/* macro for ExtenArgCheck */ +#define SET_EXT_XNSPOTLOCATION(flag) (flag |= EXT_XNSPOTLOCATION) +#define IS_EXT_XNSPOTLOCATION(flag) (flag & EXT_XNSPOTLOCATION) + +/* length of XPoint attribute */ +#define XIM_Xpoint_length 12 + +Private Bool +_XimExtMove( + Xim im, + Xic ic, + CARD16 x, + CARD16 y) +{ + CARD32 buf32[BUFSIZE/4]; + CARD8 *buf = (CARD8 *)buf32; + CARD16 *buf_s = (CARD16 *)&buf[XIM_HEADER_SIZE]; + INT16 len; + int idx; + + if ((idx = _XimIsSupportExt(XIM_EXT_MOVE_IDX)) < 0) + return False; + + buf_s[0] = im->private.proto.imid; /* imid */ + buf_s[1] = ic->private.proto.icid; /* icid */ + buf_s[2] = x; /* X */ + buf_s[3] = y; /* Y */ + len = sizeof(CARD16) /* sizeof imid */ + + sizeof(CARD16) /* sizeof icid */ + + sizeof(INT16) /* sizeof X */ + + sizeof(INT16); /* sizeof Y */ + + _XimSetHeader((XPointer)buf, extensions[idx].major_opcode, + extensions[idx].minor_opcode, &len); + if (!(_XimWrite(im, len, (XPointer)buf))) + return False; + _XimFlush(im); + return True; +} + +Public BITMASK32 +_XimExtenArgCheck( + XIMArg *arg) +{ + CARD32 flag = 0L; + if (!strcmp(arg->name, XNSpotLocation)) + SET_EXT_XNSPOTLOCATION(flag); + return flag; +} + +Public Bool +_XimExtenMove( + Xim im, + Xic ic, + CARD32 flag, + CARD16 *buf, + INT16 length) +{ + if ((IS_EXT_XNSPOTLOCATION(flag)) && (length == XIM_Xpoint_length)) + return _XimExtMove(im, ic, buf[4], buf[5]); + return False; +} +#endif /* EXT_MOVE */ -- cgit v1.2.3