mod_sm/sm.c

   1 /*
   2  * ion/mod_sm/sm.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 2004-2009.
   5  *
   6  * See the included file LICENSE for details.
   7  */
   8
   9 #include <stdlib.h>
  10 #include <string.h>
  11
  12 #include <libtu/misc.h>
  13 #include <libtu/parser.h>
  14 #include <libtu/tokenizer.h>
  15 #include <libtu/util.h>
  16
  17 #include <ioncore/common.h>
  18 #include <ioncore/global.h>
  19 #include <ioncore/clientwin.h>
  20 #include <ioncore/saveload.h>
  21 #include <ioncore/property.h>
  22 #include <libextl/readconfig.h>
  23 #include <ioncore/manage.h>
  24 #include <ioncore/ioncore.h>
  25 #include <ioncore/exec.h>
  26 #include "sm_matchwin.h"
  27 #include "sm_session.h"
  28 #include "exports.h"
  29
  30
  31 /*{{{ Module information */
  32
  33
  34 #include "../version.h"
  35
  36 char mod_sm_ion_api_version[]=NOTION_API_VERSION;
  37
  38
  39 /*}}}*/
  40
  41
  42 /*{{{ Manage callback */
  43
  44
  45 static bool sm_do_manage(WClientWin *cwin, const WManageParams *param)
  46 {
  47     WPHolder *ph;
  48     bool ret;
  49
  50     if(param->tfor!=NULL)
  51         return FALSE;
  52
  53     ph=mod_sm_match_cwin_to_saved(cwin);
  54     if(ph==NULL)
  55         return FALSE;
  56
  57     ret=pholder_attach(ph, 0, (WRegion*)cwin);
  58
  59     destroy_obj((Obj*)ph);
  60
  61     return ret;
  62 }
  63
  64
  65 /*}}}*/
  66
  67
  68 /*{{{ Init/deinit */
  69
  70
  71 static void mod_sm_set_sessiondir()
  72 {
  73     const char *smdir=NULL, *id=NULL;
  74     char *tmp;
  75     bool ok=FALSE;
  76
  77     smdir=getenv("SM_SAVE_DIR");
  78     id=getenv("GNOME_DESKTOP_SESSION_ID");
  79
  80     /* Running under SM, try to use a directory specific
  81      * to the session.
  82      */
  83     if(smdir!=NULL){
  84         tmp=scat3(smdir, "/", libtu_progbasename());
  85     }else if(id!=NULL){
  86         tmp=scat("gnome-session-", id);
  87         if(tmp!=NULL){
  88             char *p=tmp;
  89             while(1){
  90                 p=strpbrk(p, "/ :?*");
  91                 if(p==NULL)
  92                     break;
  93                 *p='-';
  94                 p++;
  95             }
  96         }
  97     }else{
  98         tmp=scopy("default-session-sm");
  99     }
 100
 101     if(tmp!=NULL){
 102         ok=extl_set_sessiondir(tmp);
 103         free(tmp);
 104     }
 105
 106     if(!ok)
 107         warn(TR("Failed to set session directory."));
 108 }
 109
 110
 111
 112 void mod_sm_deinit()
 113 {
 114     ioncore_set_smhook(NULL);
 115
 116     hook_remove(clientwin_do_manage_alt, (WHookDummy*)sm_do_manage);
 117
 118     ioncore_set_sm_callbacks(NULL, NULL);
 119
 120     mod_sm_unregister_exports();
 121
 122     mod_sm_close();
 123 }
 124
 125
 126 int mod_sm_init()
 127 {
 128     if(ioncore_g.sm_client_id!=NULL)
 129         mod_sm_set_ion_id(ioncore_g.sm_client_id);
 130
 131     if(!mod_sm_init_session())
 132         goto err;
 133
 134     if(extl_sessiondir()==NULL)
 135         mod_sm_set_sessiondir();
 136
 137     if(!mod_sm_register_exports())
 138         goto err;
 139
 140     ioncore_set_sm_callbacks(mod_sm_add_match, mod_sm_get_configuration);
 141
 142     hook_add(clientwin_do_manage_alt, (WHookDummy*)sm_do_manage);
 143
 144     ioncore_set_smhook(mod_sm_smhook);
 145
 146     return TRUE;
 147
 148 err:
 149     mod_sm_deinit();
 150     return FALSE;
 151 }
 152
 153
 154 /*}}}*/
 155