/* $XConsortium: cpm_xevnt.c,v 4.2 94/04/17 20:41:22 rws Exp $ */ /*********************************************************** Copyright (c) 1989, 1990, 1991 X Consortium Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of the X Consortium shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from the X Consortium. Copyright 1989, 1990, 1991 by Sun Microsystems, Inc. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, 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 Sun Microsystems, not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SUN MICROSYSTEMS 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. ******************************************************************/ #include #include "phg.h" #include "cp.h" #include "ws.h" #include "cp_priv.h" #include "PEX.h" #include "PEXmacs.h" #include "PEXfuncs.h" #include "PEXproto.h" typedef struct _Ntfy_entry { Display *display; Window window; caddr_t client_data; void (*callback)(); struct _Ntfy_entry *next; } Ntfy_entry; #define NTFY_NULL (Ntfy_entry *)NULL static Ntfy_entry *dispatch_list[] = { NTFY_NULL, /* Illegal Event */ NTFY_NULL, /* Illegal Event */ NTFY_NULL, /* KeyPress */ NTFY_NULL, /* KeyRelease */ NTFY_NULL, /* ButtonPress */ NTFY_NULL, /* ButtonRelease 5 */ NTFY_NULL, /* MotionNotify */ NTFY_NULL, /* EnterNotify */ NTFY_NULL, /* LeaveNotify */ NTFY_NULL, /* FocusIn */ NTFY_NULL, /* FocusOut 10 */ NTFY_NULL, /* KeymapNotify */ NTFY_NULL, /* Expose */ NTFY_NULL, /* GraphicsExpose */ NTFY_NULL, /* NoExpose */ NTFY_NULL, /* VisibilityNotify 15 */ NTFY_NULL, /* CreateNotify */ NTFY_NULL, /* DestroyNotify */ NTFY_NULL, /* UnmapNotify */ NTFY_NULL, /* MapNotify */ NTFY_NULL, /* MapRequest 20 */ NTFY_NULL, /* ReparentNotify */ NTFY_NULL, /* ConfigureNotify */ NTFY_NULL, /* ConfigureRequest */ NTFY_NULL, /* GravityNotify */ NTFY_NULL, /* ResizeRequest 25 */ NTFY_NULL, /* CirculateNotify */ NTFY_NULL, /* CirculateRequest */ NTFY_NULL, /* PropertyNotify */ NTFY_NULL, /* SelectionClear */ NTFY_NULL, /* SelectionRequest 30 */ NTFY_NULL, /* SelectionNotify */ NTFY_NULL, /* ColormapNotify */ NTFY_NULL, /* ClientMessage */ NTFY_NULL, /* MappingNotify */ NTFY_NULL, /* Unknown event type */ }; static int num_event_types = sizeof(dispatch_list)/sizeof(dispatch_list[0]); #define UNKNOWN_EVENT_ENTRY (num_event_types - 1) #define KNOWN_EVENT_TYPE( _et ) \ ((_et) >= 0 && (_et) < num_event_types - 1) #ifdef DIAGNOSTIC static char *eventNames[] = { "Illegal Event", "Illegal Event", "KeyPress", "KeyRelease", "ButtonPress", "ButtonRelease", "MotionNotify", "EnterNotify", "LeaveNotify", "FocusIn", "FocusOut", "KeymapNotify", "Expose", "GraphicsExpose", "NoExpose", "VisibilityNotify", "CreateNotify", "DestroyNotify", "UnmapNotify", "MapNotify", "MapRequest", "ReparentNotify", "ConfigureNotify", "ConfigureRequest", "GravityNotify", "ResizeRequest", "CirculateNotify", "CirculateRequest", "PropertyNotify", "SelectionClear", "SelectionRequest", "SelectionNotify", "ColormapNotify", "ClientMessage", "MappingNotify", "unknown event type" }; #endif int phg_ntfy_register_event( display, window, event_type, cdata, callback ) Display *display; Window window; int event_type; caddr_t cdata; void (*callback)(); { int status = 1; register Ntfy_entry **nep; /* Add or replace an entry to the dispatch list. */ nep = KNOWN_EVENT_TYPE(event_type) ? &dispatch_list[event_type] : &dispatch_list[UNKNOWN_EVENT_ENTRY]; for ( ; *nep; nep = &(*nep)->next ) { if ( (*nep)->display == display && (*nep)->window == window && (*nep)->client_data == cdata ) { /* Replace the currently installed callback. */ (*nep)->callback = callback; break; } } if ( *nep == NTFY_NULL ) { /* This is a new entry, add it. */ if ( *nep = (Ntfy_entry *)malloc(sizeof(Ntfy_entry)) ) { (*nep)->next = NTFY_NULL; (*nep)->display = display; (*nep)->window = window; (*nep)->client_data = cdata; (*nep)->callback = callback; } else status = 0; } return status; } void phg_ntfy_unregister_event( display, window, event_type, cdata ) Display *display; Window window; int event_type; caddr_t cdata; { Ntfy_entry *ne; register Ntfy_entry **nep; /* Remove an entry from the dispatch list. */ nep = KNOWN_EVENT_TYPE(event_type) ? &dispatch_list[event_type] : &dispatch_list[UNKNOWN_EVENT_ENTRY]; while ( *nep ) { if ( (*nep)->display == display && (*nep)->window == window && (*nep)->client_data == cdata ) { ne = *nep; *nep = (*nep)->next; free( (char *)ne ); break; } else nep = &(*nep)->next; } } void phg_ntfy_unregister_display( display ) Display *display; { Ntfy_entry *ne; register Ntfy_entry **nep; register int count; /* Remove all entries for this display from the dispatch list. */ count = num_event_types; while ( count-- ) { nep = &dispatch_list[count]; while ( *nep ) { if ( (*nep)->display == display ) { ne = *nep; *nep = (*nep)->next; free( (char *)ne ); } else nep = &(*nep)->next; } } } void phg_ntfy_unregister_window( display, window ) Display *display; Window window; { Ntfy_entry *ne; register Ntfy_entry **nep; register int count; /* Remove all entries for this window from the dispatch list. */ count = num_event_types; while ( count-- ) { nep = &dispatch_list[count]; while ( *nep ) { if ( (*nep)->display == display && (*nep)->window == window ) { ne = *nep; *nep = (*nep)->next; free( (char *)ne ); } else nep = &(*nep)->next; } } } void phg_ntfy_dispatch_event( display, event ) Display *display; XEvent *event; { Ntfy_entry *ne; ne = KNOWN_EVENT_TYPE(event->type) ? dispatch_list[event->type] : dispatch_list[UNKNOWN_EVENT_ENTRY]; for ( ; ne; ne = ne->next ) { if ( ne->display == display && ne->window == event->xany.window ) (*ne->callback)( display, event->xany.window, ne->client_data, event ); } }