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/******************************************************************
Copyright 1993, 1994 by Sony Corporation
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 Sony Corporation
not be used in advertising or publicity pertaining to distribution
of the software without specific, written prior permission.
Sony Corporation makes no representations about the suitability of
this software for any purpose. It is provided "as is" without
express or implied warranty.
SONY CORPORATION DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
EVENT SHALL SONY CORPORATION 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: Makoto Wakamatsu Sony Corporation
makoto@sm.sony.co.jp
******************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <X11/Xatom.h>
#include "Xlibint.h"
#include "Xlcint.h"
#include "XlcPublic.h"
#include "Ximint.h"
typedef struct _XimInstCallback {
Bool call;
Bool destroy;
Display *display;
XLCd lcd;
char name[XIM_MAXLCNAMELEN];
char *modifiers;
XrmDatabase rdb;
char *res_name;
char *res_class;
XIDProc callback;
XPointer client_data;
struct _XimInstCallback *next;
} XimInstCallbackRec, *XimInstCallback;
static XimInstCallback callback_list = NULL;
static Bool lock = False;
static void
MakeLocale( XLCd lcd, char locale[] )
{
char *language, *territory, *codeset;
_XGetLCValues( lcd, XlcNLanguage, &language, XlcNTerritory, &territory,
XlcNCodeset, &codeset, NULL );
strcpy( locale, language );
if( territory && *territory ) {
strcat( locale, "_" );
strcat( locale, territory );
}
if( codeset && *codeset ) {
strcat( locale, "." );
strcat( locale, codeset );
}
}
static Bool
_XimFilterPropertyNotify(
Display *display,
Window window,
XEvent *event,
XPointer client_data)
{
Atom ims, actual_type, *atoms;
int actual_format;
unsigned long nitems, bytes_after;
int ii;
XIM xim;
Bool flag = False;
XimInstCallback icb, picb, tmp;
if( (ims = XInternAtom( display, XIM_SERVERS, True )) == None ||
event->xproperty.atom != ims ||
event->xproperty.state == PropertyDelete )
return( False );
if( XGetWindowProperty( display, RootWindow(display, 0), ims, 0L, 1000000L,
False, XA_ATOM, &actual_type, &actual_format,
&nitems, &bytes_after, (unsigned char **)&atoms )
!= Success ) {
return( False );
}
if( actual_type != XA_ATOM || actual_format != 32 ) {
XFree( atoms );
return( False );
}
lock = True;
for( ii = 0; ii < nitems; ii++, atoms ) {
if(XGetSelectionOwner (display, atoms[ii])) {
for( icb = callback_list; icb; icb = icb->next ) {
if( !icb->call && !icb->destroy ) {
xim = (*icb->lcd->methods->open_im)( icb->lcd, display,
icb->rdb,
icb->res_name,
icb->res_class );
if( xim ) {
xim->methods->close( (XIM)xim );
flag = True;
icb->call = True;
icb->callback( icb->display, icb->client_data, NULL );
}
}
}
break;
}
}
XFree( atoms );
for( icb = callback_list, picb = NULL; icb; ) {
if( icb->destroy ) {
if( picb )
picb->next = icb->next;
else
callback_list = icb->next;
tmp = icb;
icb = icb->next;
XFree( tmp );
}
else {
picb = icb;
icb = icb->next;
}
}
lock = False;
return( flag );
}
Bool
_XimRegisterIMInstantiateCallback(
XLCd lcd,
Display *display,
XrmDatabase rdb,
char *res_name,
char *res_class,
XIDProc callback,
XPointer client_data)
{
XimInstCallback icb, tmp;
XIM xim;
Window root;
XWindowAttributes attr;
if( lock )
return( False );
icb = (XimInstCallback)Xmalloc(sizeof(XimInstCallbackRec));
if( !icb )
return( False );
icb->call = icb->destroy = False;
icb->display = display;
icb->lcd = lcd;
MakeLocale( lcd, icb->name );
icb->modifiers = lcd->core->modifiers; /* XXXXX */
icb->rdb = rdb;
icb->res_name = res_name;
icb->res_class = res_class;
icb->callback = callback;
icb->client_data = client_data;
icb->next = NULL;
if( !callback_list )
callback_list = icb;
else {
for( tmp = callback_list; tmp->next; tmp = tmp->next );
tmp->next = icb;
}
xim = (*lcd->methods->open_im)( lcd, display, rdb, res_name, res_class );
if( icb == callback_list ) {
root = RootWindow( display, 0 );
XGetWindowAttributes( display, root, &attr );
_XRegisterFilterByType( display, root, PropertyNotify, PropertyNotify,
_XimFilterPropertyNotify, (XPointer)NULL );
XSelectInput( display, root,
attr.your_event_mask | PropertyChangeMask );
}
if( xim ) {
lock = True;
xim->methods->close( (XIM)xim );
lock = False;
icb->call = True;
callback( display, client_data, NULL );
}
return( True );
}
Bool
_XimUnRegisterIMInstantiateCallback(
XLCd lcd,
Display *display,
XrmDatabase rdb,
char *res_name,
char *res_class,
XIDProc callback,
XPointer client_data)
{
char locale[XIM_MAXLCNAMELEN];
XimInstCallback icb, picb;
if( !callback_list )
return( False );
MakeLocale( lcd, locale );
for( icb = callback_list, picb = NULL; icb; picb = icb, icb = icb->next ) {
if( !strcmp( locale, icb->name ) &&
(lcd->core->modifiers == icb->modifiers || /* XXXXX */
(lcd->core->modifiers && icb->modifiers &&
!strcmp( lcd->core->modifiers, icb->modifiers ))) &&
rdb == icb->rdb && /* XXXXX */
((res_name == NULL && icb->res_name == NULL) ||
(res_name != NULL && icb->res_name != NULL &&
!strcmp( res_name, icb->res_name ))) &&
((res_class == NULL && icb->res_class == NULL) ||
(res_class != NULL && icb->res_class != NULL &&
!strcmp( res_class, icb->res_class ))) &&
(callback == icb->callback) &&
(client_data == icb->client_data) && /* XXXXX */
!icb->destroy ) {
if( lock )
icb->destroy = True;
else {
if( !picb ) {
callback_list = icb->next;
_XUnregisterFilter( display, RootWindow(display, 0),
_XimFilterPropertyNotify,
(XPointer)NULL );
}
else
picb->next = icb->next;
_XCloseLC( icb->lcd );
XFree( icb );
}
return( True );
}
}
return( False );
}
void
_XimResetIMInstantiateCallback(Xim xim)
{
char locale[XIM_MAXLCNAMELEN];
XimInstCallback icb;
XLCd lcd = xim->core.lcd;
if( !callback_list && lock )
return;
MakeLocale( lcd, locale );
for( icb = callback_list; icb; icb = icb->next )
if( !strcmp( locale, icb->name ) &&
(lcd->core->modifiers == icb->modifiers ||
(lcd->core->modifiers && icb->modifiers &&
!strcmp( lcd->core->modifiers, icb->modifiers ))) )
icb->call = False;
}
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