Switch from G_APPLICATION_FLAGS_NONE to G_APPLICATION_DEFAULT_FLAGS (with polyfill for old glib)

Author: wmww

examples/demo/gtk-layer-demo.c

@@ -419,7 +419,7 @@ main (int argc, char **argv)
                   g_cclosure_marshal_VOID__INT,
                   G_TYPE_NONE, 1, G_TYPE_INT);
 
-    GtkApplication * app = gtk_application_new ("com.github.wmww.gtk4-layer-shell.demo", G_APPLICATION_FLAGS_NONE);
+    GtkApplication * app = gtk_application_new ("com.github.wmww.gtk4-layer-shell.demo", G_APPLICATION_DEFAULT_FLAGS);
     g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
     int status = g_application_run (G_APPLICATION (app), argc, argv);
     g_object_unref (app);

examples/simple-example.c

@@ -48,7 +48,7 @@ activate (GtkApplication* app, void *_data)
 int
 main (int argc, char **argv)
 {
-    GtkApplication * app = gtk_application_new ("com.github.wmww.gtk4-layer-shell.example", G_APPLICATION_FLAGS_NONE);
+    GtkApplication * app = gtk_application_new ("com.github.wmww.gtk4-layer-shell.example", G_APPLICATION_DEFAULT_FLAGS);
     g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
     int status = g_application_run (G_APPLICATION (app), argc, argv);
     g_object_unref (app);

examples/simple-example.vala

@@ -4,7 +4,7 @@ using GtkLayerShell;
 int main(string[] argv) {
     var app = new Gtk.Application (
         "com.github.wmww.gtk4-layer-shell.vala-example",
-        GLib.ApplicationFlags.FLAGS_NONE);
+        GLib.ApplicationFlags.DEFAULT_FLAGS);
 
     app.activate.connect (() => {
         var window = new Gtk.ApplicationWindow (app);

meson.build

@@ -15,6 +15,11 @@ add_project_arguments(
     ],
     language: 'c')
 
+glib = dependency('glib-2.0', required: true) # Just needed for version check
+if glib.version().version_compare('<2.74')
+    add_project_arguments('-DG_APPLICATION_DEFAULT_FLAGS=G_APPLICATION_FLAGS_NONE', language: 'c')
+endif
+
 gtk = dependency('gtk4')
 wayland_client = dependency('wayland-client', version: '>=1.10.0')