[gnome-latex] App: implement "help" action in the liblatexila

[Sébastien Wilmet <swilmet src gnome org>]

commit bb69f22c32a425bf46f2af21cc874c799447b92d
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Tue Apr 28 18:32:18 2020 +0200

    App: implement "help" action in the liblatexila

 src/glatex_app.vala            | 15 ---------------
 src/liblatexila/latexila-app.c | 27 +++++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 15 deletions(-)
---
diff --git a/src/glatex_app.vala b/src/glatex_app.vala
index 185abca..db8143a 100644
--- a/src/glatex_app.vala
+++ b/src/glatex_app.vala
@@ -28,7 +28,6 @@ public class GlatexApp : Latexila.App
         { "new-document", new_document_cb },
         { "preferences", preferences_cb },
         { "manage-build-tools", manage_build_tools_cb },
-        { "help", help_cb },
         { "quit", quit_cb }
     };
 
@@ -165,20 +164,6 @@ public class GlatexApp : Latexila.App
         new BuildToolsPreferences (get_active_main_window ());
     }
 
-    private void help_cb ()
-    {
-        MainWindow? window = get_active_main_window ();
-
-        try
-        {
-            Latexila.utils_show_uri (window, "help:gnome-latex", Gdk.CURRENT_TIME);
-        }
-        catch (Error e)
-        {
-            warning ("Impossible to open the documentation: %s", e.message);
-        }
-    }
-
     private void quit_cb ()
     {
         hold ();
diff --git a/src/liblatexila/latexila-app.c b/src/liblatexila/latexila-app.c
index 90fafa3..d5053c8 100644
--- a/src/liblatexila/latexila-app.c
+++ b/src/liblatexila/latexila-app.c
@@ -69,12 +69,39 @@ about_activate_cb (GSimpleAction *about_action,
                               NULL);
 }
 
+static void
+help_activate_cb (GSimpleAction *help_action,
+                 GVariant      *parameter,
+                 gpointer       user_data)
+{
+       LatexilaApp *app = LATEXILA_APP (user_data);
+       TeplApplication *tepl_app = tepl_application_get_from_gtk_application (GTK_APPLICATION (app));
+       GtkApplicationWindow *active_main_window;
+       GError *error = NULL;
+
+       active_main_window = tepl_application_get_active_main_window (tepl_app);
+
+       gtk_show_uri_on_window (GTK_WINDOW (active_main_window),
+                               "help:gnome-latex",
+                               GDK_CURRENT_TIME,
+                               &error);
+
+       if (error != NULL)
+       {
+               tepl_utils_show_warning_dialog (GTK_WINDOW (active_main_window),
+                                               _("Impossible to open the documentation: %s"),
+                                               error->message);
+               g_clear_error (&error);
+       }
+}
+
 static void
 add_action_entries (LatexilaApp *app)
 {
        const GActionEntry app_entries[] =
        {
                { "about", about_activate_cb },
+               { "help", help_activate_cb },
        };
 
        amtk_action_map_add_action_entries_check_dups (G_ACTION_MAP (app),