Dogcows Code - chaz/openbox/blob - obt/link.c

   1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
   2
   3    obt/link.c for the Openbox window manager
   4    Copyright (c) 2009        Dana Jansens
   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    See the COPYING file for a copy of the GNU General Public License.
  17 */
  18
  19 #include "obt/link.h"
  20 #include "obt/ddparse.h"
  21 #include "obt/paths.h"
  22 #include <glib.h>
  23
  24 struct _ObtLink {
  25     guint ref;
  26
  27     ObtLinkType type;
  28     gchar *name; /*!< Specific name for the object (eg Firefox) */
  29     gboolean display; /*<! When false, do not display this link in menus or
  30                            launchers, etc */
  31     gboolean deleted; /*<! When true, the Link could exist but is deleted
  32                            for the current user */
  33     gchar *generic; /*!< Generic name for the object (eg Web Browser) */
  34     gchar *comment; /*!< Comment/description to display for the object */
  35     gchar *icon; /*!< Name/path for an icon for the object */
  36     guint env_required; /*!< The environments that must be present to use this
  37                           link. */
  38     guint env_restricted; /*!< The environments that must _not_ be present to
  39                             use this link. */
  40
  41     union _ObtLinkData {
  42         struct _ObtLinkApp {
  43             gchar *exec; /*!< Executable to run for the app */
  44             gchar *wdir; /*!< Working dir to run the app in */
  45             gboolean term; /*!< Run the app in a terminal or not */
  46             ObtLinkAppOpen open;
  47
  48             /* XXX gchar**? or something better, a mime struct.. maybe
  49                glib has something i can use. */
  50             gchar **mime; /*!< Mime types the app can open */
  51
  52             ObtLinkAppStartup startup;
  53             gchar *startup_wmclass;
  54         } app;
  55         struct _ObtLinkLink {
  56             gchar *addr;
  57         } url;
  58         struct _ObtLinkDir {
  59         } dir;
  60     } d;
  61 };
  62
  63 ObtLink* obt_link_from_ddfile(const gchar *ddname, GSList *paths,
  64                               ObtPaths *p)
  65 {
  66     ObtLink *link;
  67     GHashTable *groups, *keys;
  68     ObtDDParseGroup *g;
  69     ObtDDParseValue *v, *type, *name, *target;
  70
  71     groups = obt_ddparse_file(ddname, paths);
  72     if (!groups) return NULL;
  73     g = g_hash_table_lookup(groups, "Desktop Entry");
  74     if (!g) {
  75         g_hash_table_destroy(groups);
  76         return NULL;
  77     }
  78
  79     keys = obt_ddparse_group_keys(g);
  80
  81     /* check that required keys exist */
  82
  83     if (!(type = g_hash_table_lookup(keys, "Type")))
  84     { g_hash_table_destroy(groups); return NULL; }
  85     if (!(name = g_hash_table_lookup(keys, "Name")))
  86     { g_hash_table_destroy(groups); return NULL; }
  87
  88     if (type->value.enumerable == OBT_LINK_TYPE_APPLICATION) {
  89         if (!(target = g_hash_table_lookup(keys, "Exec")))
  90         { g_hash_table_destroy(groups); return NULL; }
  91     }
  92     else if (type->value.enumerable == OBT_LINK_TYPE_URL) {
  93         if (!(target = g_hash_table_lookup(keys, "URL")))
  94         { g_hash_table_destroy(groups); return NULL; }
  95     }
  96     else
  97         target = NULL;
  98
  99     /* parse all the optional keys and build ObtLink (steal the strings) */
 100     link = g_slice_new0(ObtLink);
 101     link->ref = 1;
 102     link->type = type->value.enumerable;
 103     if (link->type == OBT_LINK_TYPE_APPLICATION)
 104         link->d.app.exec = target->value.string, target->value.string = NULL;
 105     else if (link->type == OBT_LINK_TYPE_URL)
 106         link->d.url.addr = target->value.string, target->value.string = NULL;
 107     link->display = TRUE;
 108
 109     if ((v = g_hash_table_lookup(keys, "Hidden")))
 110         link->deleted = v->value.boolean;
 111
 112     if ((v = g_hash_table_lookup(keys, "NoDisplay")))
 113         link->display = !v->value.boolean;
 114
 115     if ((v = g_hash_table_lookup(keys, "GenericName")))
 116         link->generic = v->value.string, v->value.string = NULL;
 117
 118     if ((v = g_hash_table_lookup(keys, "Comment")))
 119         link->comment = v->value.string, v->value.string = NULL;
 120
 121     if ((v = g_hash_table_lookup(keys, "Icon")))
 122         link->icon = v->value.string, v->value.string = NULL;
 123
 124     if ((v = g_hash_table_lookup(keys, "OnlyShowIn")))
 125         link->env_required = v->value.environments;
 126     else
 127         link->env_required = 0;
 128
 129     if ((v = g_hash_table_lookup(keys, "NotShowIn")))
 130         link->env_restricted = v->value.environments;
 131     else
 132         link->env_restricted = 0;
 133
 134     if (link->type == OBT_LINK_TYPE_APPLICATION) {
 135         if ((v = g_hash_table_lookup(keys, "TryExec"))) {
 136             /* XXX spawn a thread to check TryExec? */
 137             link->display = link->display &&
 138                 obt_paths_try_exec(p, v->value.string);
 139         }
 140
 141         if ((v = g_hash_table_lookup(keys, "Path"))) {
 142             /* steal the string */
 143             link->d.app.wdir = v->value.string;
 144             v->value.string = NULL;
 145         }
 146
 147         if ((v = g_hash_table_lookup(keys, "Terminal")))
 148             link->d.app.term = v->value.boolean;
 149
 150         if ((v = g_hash_table_lookup(keys, "StartupNotify")))
 151             link->d.app.startup = v->value.boolean ?
 152                 OBT_LINK_APP_STARTUP_PROTOCOL_SUPPORT :
 153                 OBT_LINK_APP_STARTUP_NO_SUPPORT;
 154         else
 155             link->d.app.startup = OBT_LINK_APP_STARTUP_LEGACY_SUPPORT;
 156
 157         /* XXX parse link->d.app.exec to determine link->d.app.open */
 158
 159         /* XXX there's more app specific stuff */
 160     }
 161
 162     else if (link->type == OBT_LINK_TYPE_URL) {
 163         /* XXX there's URL specific stuff */
 164     }
 165
 166     return link;
 167 }
 168
 169 void obt_link_ref(ObtLink *dd)
 170 {
 171     ++dd->ref;
 172 }
 173
 174 void obt_link_unref(ObtLink *dd)
 175 {
 176     if (--dd->ref < 1) {
 177         g_slice_free(ObtLink, dd);
 178     }
 179 }