147 lines
3.3 KiB
C
147 lines
3.3 KiB
C
/*
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Copyright (C) 1994,1995 Edward Der-Hua Liu, Hsin-Chu, Taiwan
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <sys/types.h>
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include "state.h"
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#include "protocol.h"
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/*static void p_err(char *fmt,...)
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{
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va_list args;
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va_start(args, fmt);
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fprintf(stderr,"%s:", "cli_xcin:");
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vfprintf(stderr, fmt, args);
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va_end(args);
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fprintf(stderr,"\n");
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exit(-1);
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}
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*/
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static Atom xcin_atom=0;
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static Window xcin_win=None;
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static InmdState inmdstate;
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#define ENDIAN_TEST() (*(int *)"\x11\x22\x33\x44"==0x11223344)
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char my_endian;
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static int connect_xcin(Display *display)
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{
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/*Window twin;*/
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xcin_atom=XInternAtom(display, XCIN_ATOM,False);
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my_endian=ENDIAN_TEST(); /* if == 11223344, it is big-endian */
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xcin_win=XGetSelectionOwner(display,xcin_atom);
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return xcin_win;
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}
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void send_FocusIn(Display *display, Window window)
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{
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XClientMessageEvent event;
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/*XEvent erreve;*/
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char *tmp=event.data.b;
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if (connect_xcin(display)==None) return;
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/* Ensure xcin exists, or the process will be hanged */
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event.type=ClientMessage;
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event.window=window;
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event.message_type=xcin_atom;
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event.format=8;
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tmp[0]=tmp[1]=tmp[2]=0xff;
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tmp[3]=CLI_FOCUS_IN;
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memcpy(&tmp[4],&inmdstate, sizeof(inmdstate));
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XSendEvent(display, xcin_win, False, 0, (XEvent *)&event);
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}
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void send_FocusOut(Display *display, Window window)
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{
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XClientMessageEvent event;
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/* XEvent erreve; */
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char *tmp=event.data.b;
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if (connect_xcin(display)==None) return;
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/* Ensure xcin exists, or the process will be hanged */
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event.type=ClientMessage;
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event.window=window;
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event.message_type=xcin_atom;
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event.format=8;
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tmp[0]=tmp[1]=tmp[2]=0xff;
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tmp[3]=CLI_FOCUS_OUT;
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memcpy(&tmp[4],&inmdstate, sizeof(inmdstate));
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XSendEvent(display, xcin_win, False, 0, (XEvent *)&event);
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}
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static void big_little(char *i)
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{
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char t;
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t=*i; *i=*(i+3); *(i+3)=t;
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t=*(i+1); *(i+1)=*(i+2); *(i+2)=t;
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}
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static int read_keys(Display *display, char *buf)
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{
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Atom actual_type;
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int actual_format/*,i*/;
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u_long nitems,bytes_after;
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char *ttt, *cp;
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XCIN_RES res;
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int ofs;
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cp=(char *)&res;
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ofs=0;
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do {
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if (XGetWindowProperty(display,xcin_win,xcin_atom,
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ofs/4,(sizeof(XCIN_RES)+3)/4,
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True, AnyPropertyType, &actual_type,&actual_format,
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&nitems,&bytes_after,(unsigned char **)&ttt) != Success)
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puts("err property");
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memcpy((char *)(&res)+(ofs & ~0x3), ttt, nitems);
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XFree(ttt);
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ofs=(ofs & ~0x3) + nitems;
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} while ((!nitems && !ofs) || bytes_after>0);
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if (my_endian) {
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big_little((char *)&res.len);
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big_little((char *)&res.status);
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}
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memcpy(buf,res.tkey, res.len);
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inmdstate=res.inmdstate;
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buf[res.len]=0;
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return res.status;
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}
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#include <X11/Xutil.h>
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static XComposeStatus compose_status = {NULL, 0};
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int send_key(Display *display, Window win, XKeyEvent *eve, char *buf)
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{
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XClientMessageEvent event;
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/*XEvent erreve;*/
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char *tmp=event.data.b;
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u_char tttt[8];
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/*KeySym keysym;*/
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int count;
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if (xcin_win==None && connect_xcin(display)==None)
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return K_REJECT;
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if ((xcin_win=XGetSelectionOwner(display,xcin_atom))==None)
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return K_REJECT;
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event.type=ClientMessage;
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event.window=win;
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event.message_type=xcin_atom;
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event.format=32;
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count = XLookupString (eve, tttt, sizeof(tmp), (KeySym *)tmp, &compose_status);
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memcpy(&tmp[4],&eve->state,4);
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XSendEvent(display, xcin_win, False, 0, (XEvent *)&event);
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XSync(display,False);
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return (read_keys(display, buf));
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}
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