mod_sm/sm.c

   1 /*
   2  * ion/mod_sm/sm.c
   3  *
   4  * Copyright (c) Tuomo Valkonen 2004-2008.
   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[]=ION_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     int transient_mode=TRANSIENT_MODE_OFF;
  48     WPHolder *ph;
  49     bool ret;
  50
  51     if(param->tfor!=NULL)
  52         return FALSE;
  53
  54     ph=mod_sm_match_cwin_to_saved(cwin);
  55     if(ph==NULL)
  56         return FALSE;
  57
  58     ret=pholder_attach(ph, 0, (WRegion*)cwin);
  59
  60     destroy_obj((Obj*)ph);
  61
  62     return ret;
  63 }
  64
  65
  66 /*}}}*/
  67
  68
  69 /*{{{ Init/deinit */
  70
  71
  72 static void mod_sm_set_sessiondir()
  73 {
  74     const char *smdir=NULL, *id=NULL;
  75     char *tmp;
  76     bool ok=FALSE;
  77
  78     smdir=getenv("SM_SAVE_DIR");
  79     id=getenv("GNOME_DESKTOP_SESSION_ID");
  80
  81     /* Running under SM, try to use a directory specific
  82      * to the session.
  83      */
  84     if(smdir!=NULL){
  85         tmp=scat3(smdir, "/", libtu_progbasename());
  86     }else if(id!=NULL){
  87         tmp=scat("gnome-session-", id);
  88         if(tmp!=NULL){
  89             char *p=tmp;
  90             while(1){
  91                 p=strpbrk(p, "/ :?*");
  92                 if(p==NULL)
  93                     break;
  94                 *p='-';
  95                 p++;
  96             }
  97         }
  98     }else{
  99         tmp=scopy("default-session-sm");
 100     }
 101
 102     if(tmp!=NULL){
 103         ok=extl_set_sessiondir(tmp);
 104         free(tmp);
 105     }
 106
 107     if(!ok)
 108         warn(TR("Failed to set session directory."));
 109 }
 110
 111
 112
 113 void mod_sm_deinit()
 114 {
 115     ioncore_set_smhook(NULL);
 116
 117     hook_remove(clientwin_do_manage_alt, (WHookDummy*)sm_do_manage);
 118
 119     ioncore_set_sm_callbacks(NULL, NULL);
 120
 121     mod_sm_unregister_exports();
 122
 123     mod_sm_close();
 124 }
 125
 126
 127 int mod_sm_init()
 128 {
 129     if(ioncore_g.sm_client_id!=NULL)
 130         mod_sm_set_ion_id(ioncore_g.sm_client_id);
 131
 132     if(!mod_sm_init_session())
 133         goto err;
 134
 135     if(extl_sessiondir()==NULL)
 136         mod_sm_set_sessiondir();
 137
 138     if(!mod_sm_register_exports())
 139         goto err;
 140
 141     ioncore_set_sm_callbacks(mod_sm_add_match, mod_sm_get_configuration);
 142
 143     hook_add(clientwin_do_manage_alt, (WHookDummy*)sm_do_manage);
 144
 145     ioncore_set_smhook(mod_sm_smhook);
 146
 147     return TRUE;
 148
 149 err:
 150     mod_sm_deinit();
 151     return FALSE;
 152 }
 153
 154
 155 /*}}}*/
 156