src/xic.c

   1 /*
   2  * ion/xic.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2001.
   5  * See the included file LICENSE for details.
   6  */
   7
   8 #include <ctype.h>
   9 #include <string.h>
  10 #include "common.h"
  11 #include "global.h"
  12
  13 /*#define X_LOCALE*/
  14 #include <X11/Xlocale.h>
  15
  16
  17 static XIM input_method=NULL;
  18 static XIMStyle input_style=(XIMPreeditNothing|XIMStatusNothing);
  19
  20
  21 static void init_xlocale(void)
  22 {
  23         char *p;
  24         int i;
  25     XIM xim=NULL;
  26     XIMStyles *xim_styles = NULL;
  27         bool found=FALSE;
  28
  29         if((p=XSetLocaleModifiers(""))!=NULL && *p)
  30             xim=XOpenIM(wglobal.dpy, NULL, NULL, NULL);
  31
  32         if(xim==NULL && (p=XSetLocaleModifiers("@im=none"))!=NULL && *p)
  33             xim=XOpenIM(wglobal.dpy, NULL, NULL, NULL);
  34
  35     if(xim==NULL){
  36                 warn("Failed to open input method");
  37                 return;
  38     }
  39
  40     if(XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) || !xim_styles) {
  41                 warn("input method doesn't support any style");
  42                 XCloseIM(xim);
  43                 return;
  44     }
  45
  46         for(i=0; (ushort)i<xim_styles->count_styles; i++){
  47                 if(input_style==xim_styles->supported_styles[i]){
  48                         found=TRUE;
  49                         break;
  50                 }
  51         }
  52
  53     XFree(xim_styles);
  54
  55     if(!found){
  56                 warn("input method doesn't support my preedit type");
  57                 XCloseIM(xim);
  58                 return;
  59     }
  60
  61         input_method=xim;
  62 }
  63
  64
  65 XIC create_xic(Window win)
  66 {
  67         static bool tried=FALSE;
  68         XIC xic;
  69
  70         if(input_method==NULL && !tried){
  71                 init_xlocale();
  72                 tried=TRUE;
  73         }
  74
  75         if(input_method==NULL)
  76                 return NULL;
  77
  78     xic=XCreateIC(input_method, XNInputStyle, input_style,
  79                                   XNClientWindow, win, XNFocusWindow, win,
  80                                   NULL);
  81
  82     if(xic==NULL)
  83                 warn("Failed to create input context");
  84
  85         return xic;
  86 }
  87