tests: replace gtk-embedder.py with a gtk3 app

All linux CI machines have gtk3 installed. And Python GTK things
are too complicate to setup.

Pick-to: 6.4 6.3 6.2 5.15
Change-Id: I3c0d967f61aebea508784df79569b9d0064f66e2
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

1 files changed, 43 insertions, 0 deletions

diff --git a/tests/manual/xembed/gtk-container/gtk-container.cpp b/tests/manual/xembed/gtk-container/gtk-container.cpp
new file mode 100644
index 0000000000..41d88e8d51
--- /dev/null
+++ b/tests/manual/xembed/gtk-container/gtk-container.cpp
@@ -0,0 +1,43 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include <gtk/gtk.h>
+#include <gtk/gtkx.h>
+
+gchar *cmd;
+
+void launch_app(GtkButton */* btn */, guint32 *id)
+{
+    gchar *command = g_strdup_printf("%s %u", cmd, *id);
+    g_spawn_command_line_async(command, NULL);
+}
+
+gint main(gint argc, gchar **argv)
+{
+    if (argc <=1 || argc > 2) {
+        g_print("No client application defined.\n");
+        return 0;
+    }
+
+    cmd = g_strdup_printf("%s", argv[1]);
+
+    gtk_init(&argc, &argv);
+
+    GtkWidget *win  = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+    GtkWidget *vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
+    GtkWidget *sock = gtk_socket_new();
+    GtkWidget *btn  = gtk_button_new_with_label("Hello, World!");
+    g_signal_connect(sock, "plug-removed", gtk_main_quit, NULL);
+    g_signal_connect(win,  "delete-event", gtk_main_quit, NULL);
+    gtk_widget_set_size_request(sock, 200, 200);
+    gtk_box_pack_start(GTK_BOX(vbox), btn,  FALSE, FALSE, 0);
+    gtk_box_pack_start(GTK_BOX(vbox), sock,  TRUE, TRUE, 0);
+    gtk_container_add(GTK_CONTAINER(win), vbox);
+    gtk_widget_show_all(win);
+
+    guint32 id = gtk_socket_get_id(GTK_SOCKET(sock));
+    g_signal_connect(btn, "clicked", G_CALLBACK(launch_app), &id);
+
+    gtk_main();
+    return 0;
+}