[gnome-applets/wip/muktupavels/help-about] sticky-notes: use gp_applet_show_help

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 1bcfca0ba9634f9fe6600b796326d9ae829846bf
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Apr 3 16:43:16 2020 +0300

    sticky-notes: use gp_applet_show_help

 gnome-applets/ga-module.c                            |  1 +
 .../sticky-notes/sticky-notes-applet-callbacks.c     | 20 --------------------
 .../sticky-notes/sticky-notes-applet-callbacks.h     |  1 -
 gnome-applets/sticky-notes/sticky-notes-applet.c     |  8 ++++++++
 4 files changed, 9 insertions(+), 21 deletions(-)
---
diff --git a/gnome-applets/ga-module.c b/gnome-applets/ga-module.c
index 53c91dd74..7e13f9bb5 100644
--- a/gnome-applets/ga-module.c
+++ b/gnome-applets/ga-module.c
@@ -197,6 +197,7 @@ ga_get_applet_info (const char *id)
       icon_name = "gnome-sticky-notes-applet";
 
       about_func = stickynotes_applet_setup_about;
+      help_uri = "help:stickynotes_applet";
     }
   else if (g_strcmp0 (id, "timer") == 0)
     {
diff --git a/gnome-applets/sticky-notes/sticky-notes-applet-callbacks.c 
b/gnome-applets/sticky-notes/sticky-notes-applet-callbacks.c
index 64ba6286d..8920fff2f 100644
--- a/gnome-applets/sticky-notes/sticky-notes-applet-callbacks.c
+++ b/gnome-applets/sticky-notes/sticky-notes-applet-callbacks.c
@@ -350,26 +350,6 @@ void menu_preferences_cb(GSimpleAction *action, GVariant *parameter, gpointer us
        gtk_window_present(GTK_WINDOW(stickynotes->w_prefs));
 }
 
-/* Menu Callback : Show help */
-void menu_help_cb(GSimpleAction *action, GVariant *parameter, gpointer user_data)
-{
-       StickyNotesApplet *applet = (StickyNotesApplet *) user_data;
-       GError *error = NULL;
-       gtk_show_uri (gtk_widget_get_screen (GTK_WIDGET (applet)),
-                       "help:stickynotes_applet",
-                       gtk_get_current_event_time (),
-                       &error);
-       if (error) {
-               GtkWidget *dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, 
GTK_BUTTONS_CLOSE,
-                                                          _("There was an error displaying help: %s"), 
error->message);
-               g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(gtk_widget_destroy), NULL);
-               gtk_window_set_resizable(GTK_WINDOW(dialog), FALSE);
-               gtk_window_set_screen (GTK_WINDOW(dialog), gtk_widget_get_screen(GTK_WIDGET (applet)));
-               gtk_widget_show(dialog);
-               g_error_free(error);
-       }
-}
-
 /* Preferences Callback : Save. */
 void
 preferences_save_cb (gpointer data)
diff --git a/gnome-applets/sticky-notes/sticky-notes-applet-callbacks.h 
b/gnome-applets/sticky-notes/sticky-notes-applet-callbacks.h
index 2ce3d0a90..46ffc4b53 100644
--- a/gnome-applets/sticky-notes/sticky-notes-applet-callbacks.h
+++ b/gnome-applets/sticky-notes/sticky-notes-applet-callbacks.h
@@ -37,7 +37,6 @@ void menu_destroy_all_cb(GSimpleAction *action, GVariant *parameter, gpointer us
 void menu_toggle_lock_cb(GSimpleAction *action, GVariant *parameter, gpointer user_data);
 void menu_toggle_lock_state(GSimpleAction *action, GVariant *value, gpointer user_data);
 void menu_preferences_cb(GSimpleAction *action, GVariant *parameter, gpointer user_data);
-void menu_help_cb(GSimpleAction *action, GVariant *parameter, gpointer user_data);
 
 /* Callbacks for sticky notes preferences dialog */
 void preferences_save_cb(gpointer data);
diff --git a/gnome-applets/sticky-notes/sticky-notes-applet.c 
b/gnome-applets/sticky-notes/sticky-notes-applet.c
index 7d9fac773..df97593fd 100644
--- a/gnome-applets/sticky-notes/sticky-notes-applet.c
+++ b/gnome-applets/sticky-notes/sticky-notes-applet.c
@@ -36,6 +36,14 @@ static void sticky_notes_init_prefs (void);
 
 static void sticky_notes_applet_new (StickyNotesApplet *self);
 
+static void
+menu_help_cb (GSimpleAction *action,
+              GVariant      *parameter,
+              gpointer       user_data)
+{
+  gp_applet_show_help (GP_APPLET (user_data), NULL);
+}
+
 static void
 menu_about_cb (GSimpleAction *action,
                GVariant      *parameter,