ioncore/xic.c

   1 /*
   2  * ion/ioncore/xic.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <ctype.h>
  10 #include <string.h>
  11 #include "common.h"
  12 #include "global.h"
  13 #include "ioncore.h"
  14
  15
  16 static XIM input_method=NULL;
  17 static XIMStyle input_style=(XIMPreeditNothing|XIMStatusNothing);
  18
  19
  20 void ioncore_init_xim(void)
  21 {
  22     char *p;
  23     int i;
  24     XIM xim=NULL;
  25     XIMStyles *xim_styles = NULL;
  26       bool found=FALSE;
  27
  28     if((p=XSetLocaleModifiers(""))!=NULL && *p)
  29         xim=XOpenIM(ioncore_g.dpy, NULL, NULL, NULL);
  30
  31     if(xim==NULL && (p=XSetLocaleModifiers("@im=none"))!=NULL && *p)
  32         xim=XOpenIM(ioncore_g.dpy, NULL, NULL, NULL);
  33
  34     if(xim==NULL){
  35         ioncore_warn_nolog(TR("Failed to open input method."));
  36         return;
  37     }
  38
  39     if(XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL) || !xim_styles) {
  40         ioncore_warn_nolog(TR("Input method doesn't support any style."));
  41         XCloseIM(xim);
  42         return;
  43     }
  44
  45     for(i=0; (ushort)i<xim_styles->count_styles; i++){
  46         if(input_style==xim_styles->supported_styles[i]){
  47             found=TRUE;
  48             break;
  49         }
  50     }
  51
  52     XFree(xim_styles);
  53
  54     if(!found){
  55         ioncore_warn_nolog(TR("input method doesn't support my preedit type."));
  56         XCloseIM(xim);
  57         return;
  58     }
  59
  60     input_method=xim;
  61 }
  62
  63
  64 XIC xwindow_create_xic(Window win)
  65 {
  66     /*static bool tried=FALSE;*/
  67     XIC xic;
  68
  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(TR("Failed to create input context."));
  84
  85     return xic;
  86 }
  87
  88
  89 bool window_create_xic(WWindow *wwin)
  90 {
  91     if(wwin->xic==NULL)
  92         wwin->xic=xwindow_create_xic(wwin->win);
  93     return (wwin->xic!=NULL);
  94 }