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+/* $Xorg: imInsClbk.c,v 1.3 2000/08/17 19:45:13 cpqbld Exp $ */
+/******************************************************************
+
+ 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
+
+******************************************************************/
+/* $XFree86: xc/lib/X11/imInsClbk.c,v 3.3 2003/05/27 22:26:26 tsi Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Xatom.h>
+#define NEED_EVENTS
+#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;
+
+
+Private XimInstCallback callback_list = NULL;
+Private Bool lock = False;
+
+
+Private 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 );
+ }
+}
+
+
+Private 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 );
+}
+
+
+Public 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 );
+}
+
+
+Public 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 );
+}
+
+
+Public void
+_XimResetIMInstantiateCallback( xim )
+ 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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 01:13:10 +0000