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/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
obt/link.c for the Openbox window manager
Copyright (c) 2009 Dana Jansens
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
See the COPYING file for a copy of the GNU General Public License.
*/
#include "obt/link.h"
#include "obt/ddparse.h"
#include "obt/paths.h"
#include <glib.h>
struct _ObtLink {
guint ref;
ObtLinkType type;
gchar *name; /*!< Specific name for the object (eg Firefox) */
gboolean display; /*<! When false, do not display this link in menus or
launchers, etc */
gboolean deleted; /*<! When true, the Link could exist but is deleted
for the current user */
gchar *generic; /*!< Generic name for the object (eg Web Browser) */
gchar *comment; /*!< Comment/description to display for the object */
gchar *icon; /*!< Name/path for an icon for the object */
guint env_required; /*!< The environments that must be present to use this
link. */
guint env_restricted; /*!< The environments that must _not_ be present to
use this link. */
union _ObtLinkData {
struct _ObtLinkApp {
gchar *exec; /*!< Executable to run for the app */
gchar *wdir; /*!< Working dir to run the app in */
gboolean term; /*!< Run the app in a terminal or not */
ObtLinkAppOpen open;
gchar **mime; /*!< Mime types the app can open */
GQuark *categories; /*!< Array of quarks representing the
application's categories */
gulong n_categories; /*!< Number of categories for the app */
ObtLinkAppStartup startup;
gchar *startup_wmclass;
} app;
struct _ObtLinkLink {
gchar *addr;
} url;
struct _ObtLinkDir {
} dir;
} d;
};
ObtLink* obt_link_from_ddfile(const gchar *ddname, GSList *paths,
ObtPaths *p)
{
ObtLink *link;
GHashTable *groups, *keys;
ObtDDParseGroup *g;
ObtDDParseValue *v;
/* parse the file, and get a hash table of the groups */
groups = obt_ddparse_file(ddname, paths);
if (!groups) return NULL; /* parsing failed */
/* grab the Desktop Entry group */
g = g_hash_table_lookup(groups, "Desktop Entry");
g_assert(g != NULL);
/* grab the keys that appeared in the Desktop Entry group */
keys = obt_ddparse_group_keys(g);
/* build the ObtLink (we steal all strings from the parser) */
link = g_slice_new0(ObtLink);
link->ref = 1;
link->display = TRUE;
v = g_hash_table_lookup(keys, "Type");
g_assert(v);
link->type = v->value.enumerable;
if ((v = g_hash_table_lookup(keys, "Hidden")))
link->deleted = v->value.boolean;
if ((v = g_hash_table_lookup(keys, "NoDisplay")))
link->display = !v->value.boolean;
if ((v = g_hash_table_lookup(keys, "GenericName")))
link->generic = v->value.string, v->value.string = NULL;
if ((v = g_hash_table_lookup(keys, "Comment")))
link->comment = v->value.string, v->value.string = NULL;
if ((v = g_hash_table_lookup(keys, "Icon")))
link->icon = v->value.string, v->value.string = NULL;
if ((v = g_hash_table_lookup(keys, "OnlyShowIn")))
link->env_required = v->value.environments;
else
link->env_required = 0;
if ((v = g_hash_table_lookup(keys, "NotShowIn")))
link->env_restricted = v->value.environments;
else
link->env_restricted = 0;
/* type-specific keys */
if (link->type == OBT_LINK_TYPE_APPLICATION) {
gchar *c;
gboolean percent;
v = g_hash_table_lookup(keys, "Exec");
g_assert(v);
link->d.app.exec = v->value.string;
v->value.string = NULL;
/* parse link->d.app.exec to determine link->d.app.open */
percent = FALSE;
for (c = link->d.app.exec; *c; ++c) {
if (percent) {
switch (*c) {
case 'f': link->d.app.open = OBT_LINK_APP_SINGLE_LOCAL; break;
case 'F': link->d.app.open = OBT_LINK_APP_MULTI_LOCAL; break;
case 'u': link->d.app.open = OBT_LINK_APP_SINGLE_URL; break;
case 'U': link->d.app.open = OBT_LINK_APP_MULTI_URL; break;
default: percent = FALSE;
}
if (percent) break; /* found f/F/u/U */
}
else if (*c == '%') percent = TRUE;
}
if ((v = g_hash_table_lookup(keys, "TryExec"))) {
/* XXX spawn a thread to check TryExec? */
link->display = link->display &&
obt_paths_try_exec(p, v->value.string);
}
if ((v = g_hash_table_lookup(keys, "Path"))) {
/* steal the string */
link->d.app.wdir = v->value.string;
v->value.string = NULL;
}
if ((v = g_hash_table_lookup(keys, "Terminal")))
link->d.app.term = v->value.boolean;
if ((v = g_hash_table_lookup(keys, "StartupNotify")))
link->d.app.startup = v->value.boolean ?
OBT_LINK_APP_STARTUP_PROTOCOL_SUPPORT :
OBT_LINK_APP_STARTUP_NO_SUPPORT;
else {
link->d.app.startup = OBT_LINK_APP_STARTUP_LEGACY_SUPPORT;
if ((v = g_hash_table_lookup(keys, "StartupWMClass"))) {
/* steal the string */
link->d.app.startup_wmclass = v->value.string;
v->value.string = NULL;
}
}
if ((v = g_hash_table_lookup(keys, "Categories"))) {
gulong i;
gchar *end;
link->d.app.categories = g_new(GQuark, v->value.strings.n);
link->d.app.n_categories = v->value.strings.n;
for (i = 0; i < v->value.strings.n; ++i) {
link->d.app.categories[i] =
g_quark_from_string(v->value.strings.a[i]);
c = end = end+1; /* next */
}
}
if ((v = g_hash_table_lookup(keys, "MimeType"))) {
/* steal the string array */
link->d.app.mime = v->value.strings.a;
v->value.strings.a = NULL;
v->value.strings.n = 0;
}
}
else if (link->type == OBT_LINK_TYPE_URL) {
v = g_hash_table_lookup(keys, "URL");
g_assert(v);
link->d.url.addr = v->value.string;
v->value.string = NULL;
}
/* destroy the parsing info */
g_hash_table_destroy(groups);
return link;
}
void obt_link_ref(ObtLink *dd)
{
++dd->ref;
}
void obt_link_unref(ObtLink *dd)
{
if (--dd->ref < 1) {
g_free(dd->name);
g_free(dd->generic);
g_free(dd->comment);
g_free(dd->icon);
if (dd->type == OBT_LINK_TYPE_APPLICATION) {
g_free(dd->d.app.exec);
g_free(dd->d.app.wdir);
g_strfreev(dd->d.app.mime);
g_free(dd->d.app.categories);
g_free(dd->d.app.startup_wmclass);
}
else if (dd->type == OBT_LINK_TYPE_URL)
g_free(dd->d.url.addr);
g_slice_free(ObtLink, dd);
}
}
const GQuark* obt_link_app_categories(ObtLink *e, gulong *n)
{
g_return_val_if_fail(e != NULL, NULL);
g_return_val_if_fail(e->type == OBT_LINK_TYPE_APPLICATION, NULL);
g_return_val_if_fail(n != NULL, NULL);
*n = e->d.app.n_categories;
return e->d.app.categories;
}
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