[gnome-latex] LatexilaApp: implement "about" action

[Sébastien Wilmet <swilmet src gnome org>]

commit 2c665657e76997e245e67a9e97b6076e06fd324c
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Tue Apr 28 16:44:24 2020 +0200

    LatexilaApp: implement "about" action

 src/glatex_app.vala            | 40 ------------------------
 src/liblatexila/latexila-app.c | 70 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+), 40 deletions(-)
---
diff --git a/src/glatex_app.vala b/src/glatex_app.vala
index f42d0c8..d75fd5a 100644
--- a/src/glatex_app.vala
+++ b/src/glatex_app.vala
@@ -29,7 +29,6 @@ public class GlatexApp : Latexila.App
         { "preferences", preferences_cb },
         { "manage-build-tools", manage_build_tools_cb },
         { "help", help_cb },
-        { "about", about_cb },
         { "quit", quit_cb }
     };
 
@@ -189,45 +188,6 @@ public class GlatexApp : Latexila.App
         }
     }
 
-    private void about_cb ()
-    {
-        string comments =
-            _("GNOME LaTeX is a LaTeX editor for the GNOME desktop");
-        string copyright = "Copyright 2009-2020 – Sébastien Wilmet";
-
-        string website = "https://wiki.gnome.org/Apps/GNOME-LaTeX";;
-
-        string[] authors =
-        {
-            "Sébastien Wilmet <swilmet gnome org>",
-            null
-        };
-
-        string[] artists =
-        {
-            "Eric Forgeot <e forgeot laposte net>",
-            "Sébastien Wilmet <swilmet gnome org>",
-            "Alexander Wilms <f alexander wilms gmail com>",
-            "The Kile Team http://kile.sourceforge.net/";,
-            "Gedit LaTeX Plugin https://wiki.gnome.org/Apps/Gedit/LaTeXPlugin";,
-            null
-        };
-
-        Gtk.show_about_dialog (get_active_main_window (),
-            "program-name", Config.PACKAGE_NAME,
-            "version", Config.PACKAGE_VERSION,
-            "authors", authors,
-            "artists", artists,
-            "comments", comments,
-            "copyright", copyright,
-            "license-type", Gtk.License.GPL_3_0,
-            "title", _("About GNOME LaTeX"),
-            "translator-credits", _("translator-credits"),
-            "website", website,
-            "logo-icon-name", "gnome-latex"
-        );
-    }
-
     private void quit_cb ()
     {
         hold ();
diff --git a/src/liblatexila/latexila-app.c b/src/liblatexila/latexila-app.c
index d44c30e..3a5fb2b 100644
--- a/src/liblatexila/latexila-app.c
+++ b/src/liblatexila/latexila-app.c
@@ -17,7 +17,10 @@
  * along with GNOME LaTeX.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "config.h"
 #include "latexila-app.h"
+#include <glib/gi18n.h>
+#include <tepl/tepl.h>
 
 /**
  * SECTION:app
@@ -27,9 +30,76 @@
 
 G_DEFINE_TYPE (LatexilaApp, latexila_app, GTK_TYPE_APPLICATION)
 
+static void
+about_activate_cb (GSimpleAction *about_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;
+
+       const gchar *authors[] = {
+               "Sébastien Wilmet <swilmet gnome org>",
+               NULL
+       };
+
+       const gchar *artists[] = {
+               "Eric Forgeot <e forgeot laposte net>",
+               "Sébastien Wilmet <swilmet gnome org>",
+               "Alexander Wilms <f alexander wilms gmail com>",
+               "The Kile Team http://kile.sourceforge.net/";,
+               "Gedit LaTeX Plugin https://wiki.gnome.org/Apps/Gedit/LaTeXPlugin";,
+               NULL
+       };
+
+       active_main_window = tepl_application_get_active_main_window (tepl_app);
+
+       gtk_show_about_dialog (GTK_WINDOW (active_main_window),
+                              "version", PACKAGE_VERSION,
+                              "authors", authors,
+                              "artists", artists,
+                              "comments", _("GNOME LaTeX is a LaTeX editor for the GNOME desktop"),
+                              "copyright", "Copyright 2009-2020 – Sébastien Wilmet",
+                              "license-type", GTK_LICENSE_GPL_3_0,
+                              "title", _("About GNOME LaTeX"),
+                              "translator-credits", _("translator-credits"),
+                              "website", "https://wiki.gnome.org/Apps/GNOME-LaTeX";,
+                              "logo-icon-name", "gnome-latex",
+                              NULL);
+}
+
+static void
+add_action_entries (LatexilaApp *app)
+{
+       const GActionEntry app_entries[] =
+       {
+               { "about", about_activate_cb },
+       };
+
+       amtk_action_map_add_action_entries_check_dups (G_ACTION_MAP (app),
+                                                      app_entries,
+                                                      G_N_ELEMENTS (app_entries),
+                                                      app);
+}
+
+static void
+latexila_app_startup (GApplication *app)
+{
+       if (G_APPLICATION_CLASS (latexila_app_parent_class)->startup != NULL)
+       {
+               G_APPLICATION_CLASS (latexila_app_parent_class)->startup (app);
+       }
+
+       add_action_entries (LATEXILA_APP (app));
+}
+
 static void
 latexila_app_class_init (LatexilaAppClass *klass)
 {
+       GApplicationClass *gapp_class = G_APPLICATION_CLASS (klass);
+
+       gapp_class->startup = latexila_app_startup;
 }
 
 static void