From df8114a6e85ce041678e4153b8b5b730c123f9df Mon Sep 17 00:00:00 2001
From: Christian Beier <info@christianbeier.net>
Date: Sat, 30 Mar 2024 00:31:19 +0100
Subject: [PATCH] main,callbacks: add menu entry for easy user config file
 editing

re #110
---
 src/callbacks.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/callbacks.h |  3 +++
 src/main.c      |  6 ++++++
 3 files changed, 63 insertions(+)

diff --git a/src/callbacks.c b/src/callbacks.c
index 1bb0230..239b590 100644
--- a/src/callbacks.c
+++ b/src/callbacks.c
@@ -930,6 +930,60 @@ void on_intro(GtkMenuItem *menuitem,
     gtk_widget_show_all (assistant);
 }
 
+void on_edit_config(GtkMenuItem *menuitem,
+                    gpointer user_data)
+{
+    /*
+      Check if user config does not exist or is empty.
+      If so, copy system config to user config.
+    */
+    gchar *user_config_path = g_strjoin (G_DIR_SEPARATOR_S, g_get_user_config_dir(), "gromit-mpx.cfg", NULL);
+    GFile *user_config_file = g_file_new_for_path(user_config_path);
+
+    guint64 user_config_size = 0;
+    GFileInfo *user_config_info = g_file_query_info(user_config_file, G_FILE_ATTRIBUTE_STANDARD_SIZE, 0, NULL, NULL);
+    if (user_config_info != NULL) {
+        user_config_size = g_file_info_get_size(user_config_info);
+        g_object_unref(user_config_info);
+    }
+
+    if (!g_file_query_exists(user_config_file, NULL) || user_config_size == 0) {
+        g_print("User config does not exist or is empty, copying system config\n");
+
+        gchar *system_config_path = g_strjoin (G_DIR_SEPARATOR_S, SYSCONFDIR, "gromit-mpx", "gromit-mpx.cfg", NULL);
+        GFile *system_config_file = g_file_new_for_path(system_config_path);
+
+        GError *error = NULL;
+        gboolean result = g_file_copy(system_config_file, user_config_file, G_FILE_COPY_OVERWRITE, NULL, NULL, NULL, &error);
+        if (!result) {
+            g_printerr("Error copying system config to user config: %s\n", error->message);
+            g_error_free(error);
+        }
+
+        g_object_unref(system_config_file);
+        g_free(system_config_path);
+    }
+
+
+    /*
+      Open user config for editing.
+     */
+    gchar *user_config_uri = g_strjoin (G_DIR_SEPARATOR_S, "file://", user_config_path, NULL);
+
+    gtk_show_uri_on_window (NULL,
+			    user_config_uri,
+			    GDK_CURRENT_TIME,
+			    NULL);
+
+    /*
+      Clean up
+     */
+    g_object_unref(user_config_file);
+    g_free(user_config_path);
+    g_free(user_config_uri);
+}
+
+
 void on_issues(GtkMenuItem *menuitem,
                gpointer user_data)
 {
diff --git a/src/callbacks.h b/src/callbacks.h
index 7fe6ba5..7bcbdd8 100644
--- a/src/callbacks.h
+++ b/src/callbacks.h
@@ -128,6 +128,9 @@ void on_about(GtkMenuItem *menuitem,
 void on_intro(GtkMenuItem *menuitem,
 	      gpointer user_data);
 
+void on_edit_config(GtkMenuItem *menuitem,
+                    gpointer user_data);
+
 void on_issues(GtkMenuItem *menuitem,
                gpointer user_data);
 
diff --git a/src/main.c b/src/main.c
index f30cdbe..de8c696 100644
--- a/src/main.c
+++ b/src/main.c
@@ -897,6 +897,7 @@ void setup_main_app (GromitData *data, int argc, char ** argv)
 
   GtkWidget* sep1_item = gtk_separator_menu_item_new();
   GtkWidget* intro_item = gtk_menu_item_new_with_mnemonic(_("_Introduction"));
+  GtkWidget* edit_config_item = gtk_menu_item_new_with_mnemonic(_("_Edit Config"));
   GtkWidget* issues_item = gtk_menu_item_new_with_mnemonic(_("_Report Bug / Request Feature"));
   GtkWidget* support_item = gtk_menu_item_new_with_mnemonic(_("_Support Gromit-MPX"));
   GtkWidget* about_item = gtk_menu_item_new_with_mnemonic(_("_About"));
@@ -919,6 +920,7 @@ void setup_main_app (GromitData *data, int argc, char ** argv)
 
   gtk_menu_shell_append (GTK_MENU_SHELL (menu), sep1_item);
   gtk_menu_shell_append (GTK_MENU_SHELL (menu), intro_item);
+  gtk_menu_shell_append (GTK_MENU_SHELL (menu), edit_config_item);
   gtk_menu_shell_append (GTK_MENU_SHELL (menu), issues_item);
   gtk_menu_shell_append (GTK_MENU_SHELL (menu), support_item);
   gtk_menu_shell_append (GTK_MENU_SHELL (menu), about_item);
@@ -981,6 +983,9 @@ void setup_main_app (GromitData *data, int argc, char ** argv)
   g_signal_connect(G_OBJECT (intro_item), "activate",
 		   G_CALLBACK (on_intro),
 		   data);
+  g_signal_connect(G_OBJECT (edit_config_item), "activate",
+		   G_CALLBACK (on_edit_config),
+		   data);
   g_signal_connect(G_OBJECT (issues_item), "activate",
 		   G_CALLBACK (on_issues),
 		   data);
@@ -1005,6 +1010,7 @@ void setup_main_app (GromitData *data, int argc, char ** argv)
 
   gtk_widget_show (sep1_item);
   gtk_widget_show (intro_item);
+  gtk_widget_show (edit_config_item);
   gtk_widget_show (issues_item);
   gtk_widget_show (support_item);
   gtk_widget_show (about_item);