From d2ca1732f1c6905d7acabfac99c82dffaec91efb Mon Sep 17 00:00:00 2001
From: DanyLE <xsang.le@gmail.com>
Date: Sat, 5 Jul 2025 19:58:24 +0200
Subject: [PATCH] refactor: add shell version to command line option

---
 meson.build |  1 +
 src/shell.c | 56 ++++++++++++++++++++++++++++++++++++++++-------------
 2 files changed, 44 insertions(+), 13 deletions(-)

diff --git a/meson.build b/meson.build
index dd1016b..89f3a1f 100644
--- a/meson.build
+++ b/meson.build
@@ -12,6 +12,7 @@ add_project_arguments(
         '-Wno-pedantic',
         '-Werror=implicit-function-declaration',
         '-Werror=return-type',
+        '-D__SHELL_VERSION__="@0@"'.format(meson.project_version())
     ],
     language: 'c')
 
diff --git a/src/shell.c b/src/shell.c
index 1b3a929..8a49205 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -98,22 +98,22 @@ static void diya_shell_reload_theme(DiyaShell *shell)
     g_debug("diya_shell_reload_theme: Looking for css file: %s", css_file);
     if (g_file_test(css_file, G_FILE_TEST_EXISTS))
     {
-        GFile* file = g_file_new_for_path(css_file);
+        GFile *file = g_file_new_for_path(css_file);
         gtk_css_provider_load_from_file(priv->css_provider, file);
         g_object_unref(file);
     }
     else
     {
         g_warning("diya_shell_reload_theme: Unable to load CSS from file: %s. Fallback to default theme", css_file);
-        gchar* css_resource = g_strconcat("/dev/iohub/diya/shell/css/", priv->name, ".css", NULL);
+        gchar *css_resource = g_strconcat("/dev/iohub/diya/shell/css/", priv->name, ".css", NULL);
         gtk_css_provider_load_from_resource(priv->css_provider, css_resource);
         g_free(css_resource);
     }
     g_free(css_file);
     gtk_style_context_add_provider_for_display(
-            gdk_display_get_default(),
-            GTK_STYLE_PROVIDER(priv->css_provider),
-            GTK_STYLE_PROVIDER_PRIORITY_USER);
+        gdk_display_get_default(),
+        GTK_STYLE_PROVIDER(priv->css_provider),
+        GTK_STYLE_PROVIDER_PRIORITY_USER);
 }
 
 void diya_shell_reload(DiyaShell *self)
@@ -423,6 +423,21 @@ static void diya_shell_class_init(DiyaShellClass *class)
                  G_TYPE_UINT);
 }
 
+static int diya_shell_handle_local_options(GApplication *application, GVariantDict *options, gpointer user_data)
+{
+    (void) application;
+    (void) user_data;
+#ifdef __SHELL_VERSION__
+    guint32 count;
+    if (g_variant_dict_lookup(options, "version", "b", &count))
+    {
+        g_print("Shell version: %s\n", __SHELL_VERSION__);
+        return EXIT_SUCCESS;
+    }
+#endif
+    return -1;
+}
+
 int diya_shell_run(DiyaShell *shell, int argc, char **argv)
 {
     DiyaShellPrivate *priv = diya_shell_get_instance_private(shell);
@@ -437,10 +452,25 @@ int diya_shell_run(DiyaShell *shell, int argc, char **argv)
     */
 
     // keymap dir
-    gchar* path = g_strconcat(g_get_user_config_dir(), "/diya/xkb/", NULL);
+    gchar *path = g_strconcat(g_get_user_config_dir(), "/diya/xkb/", NULL);
     g_mkdir_with_parents((const gchar *)path, 0755);
     g_free(path);
-
+    const GOptionEntry cmd_params[] =
+        {
+#ifdef __SHELL_VERSION__
+            {
+                .long_name = "version",
+                .short_name = 'v',
+                .flags = G_OPTION_FLAG_NONE,
+                .arg = G_OPTION_ARG_NONE,
+                .arg_data = NULL,
+                .description = "Show version information",
+                .arg_description = NULL,
+            },
+#endif
+            {NULL}};
+    g_application_add_main_option_entries(G_APPLICATION(app), cmd_params);
+    g_signal_connect(app, "handle-local-options", G_CALLBACK(diya_shell_handle_local_options), shell);
     int status = g_application_run(G_APPLICATION(app), argc, argv);
     g_object_unref(app);
     return status;
@@ -517,18 +547,18 @@ void diya_shell_unwatch_file(DiyaShell *self, const gchar *file)
     }
 }
 
-void diya_shell_launch(DiyaShell* self, GAppInfo* app)
+void diya_shell_launch(DiyaShell *self, GAppInfo *app)
 {
-    GError* error = NULL;
+    GError *error = NULL;
     DiyaShellPrivate *priv = diya_shell_get_instance_private(self);
-    GAppLaunchContext* context = g_app_launch_context_new();
-    if(priv->theme)
+    GAppLaunchContext *context = g_app_launch_context_new();
+    if (priv->theme)
     {
         g_app_launch_context_setenv(context, "GTK_THEME", priv->theme);
     }
     g_app_info_launch(app, NULL, context, &error);
-    g_object_unref (context);
-    if(error)
+    g_object_unref(context);
+    if (error)
     {
         g_critical("Unable to launch application: %s", error->message);
         g_error_free(error);