src/wmnotify.c

   1 /*
   2  *  WindowMaker external notification support
   3  *
   4  *  Copyright (c) 1998 Peter Bentley (pete@sorted.org)
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19  *  USA.
  20  */
  21
  22 #include "wconfig.h"
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <X11/X.h>
  27 #include <X11/Xlib.h>
  28 #include <X11/Xutil.h>
  29 #include <X11/Xproto.h>
  30
  31 #include "WindowMaker.h"
  32 #include "wcore.h"
  33 #include "framewin.h"
  34 #include "window.h"
  35 #include "properties.h"
  36 #include "wmnotify.h"
  37
  38 #ifdef WMNOTIFY
  39 #define DEBUG
  40 extern Atom _XA_WINDOWMAKER_NOTIFY;
  41
  42 static LinkedList *wNotifyWindows=NULL;
  43
  44 typedef struct WNotifyClient
  45 {
  46     Window      not_win;                /* Id of window to send notify events to */
  47     int         not_mask;       /* Mask of desired notifications         */
  48 } WNotifyClient;
  49
  50
  51 void wNotify( int id, int a1, int a2 )
  52 {
  53 }
  54
  55
  56 void wNotifyWin( int id, WWindow *wwin )
  57 {
  58     XEvent              event;
  59     LinkedList          *list;
  60     WNotifyClient       *clnt;
  61     int                 count = 0, mask = WMN_ID_TO_MASK( id );
  62
  63     event.xclient.type = ClientMessage;
  64     event.xclient.message_type = _XA_WINDOWMAKER_NOTIFY;
  65     event.xclient.format = 32;
  66     event.xclient.display = dpy;
  67     event.xclient.data.l[0] = id;
  68     if( wwin )
  69         event.xclient.data.l[1] = wwin->client_win; /* XXX */
  70     else
  71         event.xclient.data.l[1] = 0;
  72     event.xclient.data.l[2] = 0;
  73     event.xclient.data.l[3] = 0;
  74
  75     for( list = wNotifyWindows; list; list = list->tail )
  76     {
  77         clnt = list->head;
  78         if( clnt->not_mask & mask )
  79         {
  80 #ifdef DEBUG
  81             printf( "Send event %d to 0x%x\n", id, (int) clnt->not_win );
  82 #endif
  83             event.xclient.window = clnt->not_win;
  84             XSendEvent(dpy, clnt->not_win, False, NoEventMask, &event);
  85             count++;
  86         }
  87     }
  88     if( count )
  89         XFlush(dpy);
  90 }
  91
  92
  93 int wNotifySet(Window window)
  94 {
  95     int                 mask;
  96     WNotifyClient       *clnt;
  97
  98     if( PropGetNotifyMask( window, &mask )) {
  99         wNotifyClear( window ); /* Remove any current mask */
 100 #ifdef DEBUG
 101         printf( "Setting notify mask for window 0x%x to 0x%02x\n",
 102                 (int) window, mask );
 103 #endif
 104         clnt = wmalloc( sizeof( WNotifyClient ));
 105         if( clnt )
 106         {
 107             clnt->not_win = window;
 108             clnt->not_mask = mask;
 109             wNotifyWindows = list_cons( clnt, wNotifyWindows );
 110             return True;
 111         }
 112     }
 113     return False;
 114 }
 115
 116 int wNotifyClear(Window window)
 117 {
 118     LinkedList          *list;
 119     WNotifyClient       *clnt;
 120
 121     for( list = wNotifyWindows; list; list = list->tail )
 122     {
 123         clnt = list->head;
 124         if( clnt->not_win == window )
 125         {
 126 #ifdef DEBUG
 127             printf( "Clearing notify mask for window 0x%x (was 0x%02x)\n",
 128                     (int) clnt->not_win, clnt->not_mask );
 129 #endif
 130             wNotifyWindows = list_remove_elem( wNotifyWindows, clnt );
 131             free( clnt );
 132             return True;
 133         }
 134     }
 135     return False;
 136 }
 137
 138
 139 #endif /* WMNOTIFY */