/* $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) { 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; }