[glib] GDesktopAppInfo: add an accessor for StartupWMClass

[Giovanni Campagna <gcampagna src gnome org>]

commit 3ccc4cf91d4ee20df4207f04d3344ee33f1b5c94
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Thu Apr 5 23:26:12 2012 +0200

    GDesktopAppInfo: add an accessor for StartupWMClass
    
    Components using GIO to do window to application matching can
    use that field to retrieve potential candidates.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=673659

 docs/reference/gio/gio-sections.txt |    1 +
 gio/gdesktopappinfo.c               |   23 ++++++++++++++++++++++-
 gio/gdesktopappinfo.h               |    1 +
 gio/gio.symbols                     |    1 +
 gio/tests/appinfo-test.desktop      |    2 ++
 gio/tests/appinfo.c                 |   15 +++++++++++++++
 6 files changed, 42 insertions(+), 1 deletions(-)
---
diff --git a/docs/reference/gio/gio-sections.txt b/docs/reference/gio/gio-sections.txt
index 6212c5e..5d08b46 100644
--- a/docs/reference/gio/gio-sections.txt
+++ b/docs/reference/gio/gio-sections.txt
@@ -1463,6 +1463,7 @@ g_desktop_app_info_get_show_in
 g_desktop_app_info_get_generic_name
 g_desktop_app_info_get_categories
 g_desktop_app_info_get_keywords
+g_desktop_app_info_get_startup_wm_class
 g_desktop_app_info_set_desktop_env
 GDesktopAppLaunchCallback
 g_desktop_app_info_launch_uris_as_manager
diff --git a/gio/gdesktopappinfo.c b/gio/gdesktopappinfo.c
index 4afa6dc..2353293 100644
--- a/gio/gdesktopappinfo.c
+++ b/gio/gdesktopappinfo.c
@@ -65,6 +65,7 @@
 #define GENERIC_NAME_KEY            "GenericName"
 #define FULL_NAME_KEY               "X-GNOME-FullName"
 #define KEYWORDS_KEY                "Keywords"
+#define STARTUP_WM_CLASS_KEY        "StartupWMClass"
 
 enum {
   PROP_0,
@@ -106,13 +107,13 @@ struct _GDesktopAppInfo
   char *binary;
   char *path;
   char *categories;
+  char *startup_wm_class;
 
   guint nodisplay       : 1;
   guint hidden          : 1;
   guint terminal        : 1;
   guint startup_notify  : 1;
   guint no_fuse         : 1;
-  /* FIXME: what about StartupWMClass ? */
 };
 
 typedef enum {
@@ -185,6 +186,7 @@ g_desktop_app_info_finalize (GObject *object)
   g_free (info->binary);
   g_free (info->path);
   g_free (info->categories);
+  g_free (info->startup_wm_class);
   
   G_OBJECT_CLASS (g_desktop_app_info_parent_class)->finalize (object);
 }
@@ -330,6 +332,7 @@ g_desktop_app_info_load_from_keyfile (GDesktopAppInfo *info,
   info->no_fuse = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, "X-GIO-NoFuse", NULL) != FALSE;
   info->hidden = g_key_file_get_boolean (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_HIDDEN, NULL) != FALSE;
   info->categories = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, G_KEY_FILE_DESKTOP_KEY_CATEGORIES, NULL);
+  info->startup_wm_class = g_key_file_get_string (key_file, G_KEY_FILE_DESKTOP_GROUP, STARTUP_WM_CLASS_KEY, NULL);
   
   info->icon = NULL;
   if (info->icon_name)
@@ -3394,3 +3397,21 @@ g_desktop_app_info_lookup_get_default_for_uri_scheme (GDesktopAppInfoLookup *loo
 }
 
 G_GNUC_END_IGNORE_DEPRECATIONS
+
+/**
+ * g_desktop_app_info_get_startup_wm_class:
+ * @app_info: a #GDesktopAppInfo that supports startup notify
+ *
+ * Retrieves the StartupWMClass field from @app_info. This represents the
+ * WM_CLASS property of the main window of the application, if launched through
+ * @app_info.
+ * Returns: (transfer none): the startup WM class, or NULL if none is set
+ * in the desktop file.
+ */
+const char *
+g_desktop_app_info_get_startup_wm_class (GDesktopAppInfo *app_info)
+{
+  g_return_val_if_fail (G_IS_DESKTOP_APP_INFO (app_info), NULL);
+
+  return app_info->startup_wm_class;
+}
diff --git a/gio/gdesktopappinfo.h b/gio/gdesktopappinfo.h
index fcc41ed..c6e975d 100644
--- a/gio/gdesktopappinfo.h
+++ b/gio/gdesktopappinfo.h
@@ -56,6 +56,7 @@ const char * const *g_desktop_app_info_get_keywords   (GDesktopAppInfo *info);
 gboolean         g_desktop_app_info_get_nodisplay     (GDesktopAppInfo *info);
 gboolean         g_desktop_app_info_get_show_in       (GDesktopAppInfo *info,
                                                        const gchar     *desktop_env);
+const char *     g_desktop_app_info_get_startup_wm_class (GDesktopAppInfo *info);
 
 GDesktopAppInfo *g_desktop_app_info_new               (const char      *desktop_id);
 gboolean         g_desktop_app_info_get_is_hidden     (GDesktopAppInfo *info);
diff --git a/gio/gio.symbols b/gio/gio.symbols
index 2489a0b..d632d49 100644
--- a/gio/gio.symbols
+++ b/gio/gio.symbols
@@ -106,6 +106,7 @@ g_desktop_app_info_get_is_hidden
 g_desktop_app_info_get_keywords
 g_desktop_app_info_get_nodisplay
 g_desktop_app_info_get_show_in
+g_desktop_app_info_get_startup_wm_class
 g_desktop_app_info_get_type
 g_desktop_app_info_launch_uris_as_manager
 g_desktop_app_info_lookup_get_type
diff --git a/gio/tests/appinfo-test.desktop b/gio/tests/appinfo-test.desktop
index 0a64cfb..f2b873a 100644
--- a/gio/tests/appinfo-test.desktop
+++ b/gio/tests/appinfo-test.desktop
@@ -8,3 +8,5 @@ Comment=GAppInfo example
 Comment[de]=GAppInfo Beispiel
 Exec=./appinfo-test --option
 Icon=testicon
+StartupNotify=true
+StartupWMClass=appinfo-class
diff --git a/gio/tests/appinfo.c b/gio/tests/appinfo.c
index d0a8207..bb24669 100644
--- a/gio/tests/appinfo.c
+++ b/gio/tests/appinfo.c
@@ -273,6 +273,20 @@ test_environment (void)
   g_object_unref (ctx);
 }
 
+static void
+test_startup_wm_class (void)
+{
+  GDesktopAppInfo *appinfo;
+  const char *wm_class;
+
+  appinfo = g_desktop_app_info_new_from_filename (SRCDIR "/appinfo-test.desktop");
+  wm_class = g_desktop_app_info_get_startup_wm_class (appinfo);
+
+  g_assert_cmpstr (wm_class, ==, "appinfo-class");
+
+  g_object_unref (appinfo);
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -288,6 +302,7 @@ main (int argc, char *argv[])
   g_test_add_func ("/appinfo/tryexec", test_tryexec);
   g_test_add_func ("/appinfo/associations", test_associations);
   g_test_add_func ("/appinfo/environment", test_environment);
+  g_test_add_func ("/appinfo/startup-wm-class", test_startup_wm_class);
 
   return g_test_run ();
 }