+#include <qpa/qplatformnativeinterface.h>
+#include <wayland-client.h>
+
+#include "wayland-agl-shell-client-protocol.h"
+#include "shell.h"
+
+static void
+global_add(void *data, struct wl_registry *reg, uint32_t name,
+ const char *interface, uint32_t)
+{
+ struct agl_shell **shell = static_cast<struct agl_shell **>(data);
+
+ if (strcmp(interface, agl_shell_interface.name) == 0) {
+ *shell = static_cast<struct agl_shell *>(
+ wl_registry_bind(reg, name, &agl_shell_interface, 1)
+ );
+ }
+}
+
+static void
+global_remove(void *data, struct wl_registry *reg, uint32_t id)
+{
+ /* Don't care */
+ (void) data;
+ (void) reg;
+ (void) id;
+}
+
+static const struct wl_registry_listener registry_listener = {
+ global_add,
+ global_remove,
+};
+
+static struct wl_surface *
+getWlSurface(QPlatformNativeInterface *native, QWindow *window)
+{
+ void *surf = native->nativeResourceForWindow("surface", window);
+ return static_cast<struct ::wl_surface *>(surf);
+}
+
+static struct wl_output *
+getWlOutput(QPlatformNativeInterface *native, QScreen *screen)
+{
+ void *output = native->nativeResourceForScreen("output", screen);
+ return static_cast<struct ::wl_output*>(output);
+}
+
+
+static struct agl_shell *
+register_agl_shell(QPlatformNativeInterface *native)
+{
+ struct wl_display *wl;
+ struct wl_registry *registry;
+ struct agl_shell *shell = nullptr;
+
+ wl = static_cast<struct wl_display *>(
+ native->nativeResourceForIntegration("display")
+ );
+ registry = wl_display_get_registry(wl);
+
+ wl_registry_add_listener(registry, ®istry_listener, &shell);
+
+ /* Roundtrip to get all globals advertised by the compositor */
+ wl_display_roundtrip(wl);
+ wl_registry_destroy(registry);
+
+ return shell;
+}
+
+static struct wl_surface *
+create_component(QPlatformNativeInterface *native, QQmlComponent *comp,
+ QScreen *screen, QObject **qobj)
+{
+ QObject *obj = comp->create();
+ obj->setParent(screen);
+
+ QWindow *win = qobject_cast<QWindow *>(obj);
+ *qobj = obj;
+
+ return getWlSurface(native, win);
+}
+
+static QScreen *
+find_screen(const char *screen_name)
+{
+ QList<QScreen *> screens = qApp->screens();
+ QScreen *found = nullptr;
+ QString qstr_name = QString::fromUtf8(screen_name, -1);
+
+ for (QScreen *xscreen : screens) {
+ if (qstr_name == xscreen->name()) {
+ found = xscreen;
+ break;
+ }
+ }
+
+ return found;
+}
+
+static void
+load_agl_shell_app(QPlatformNativeInterface *native,
+ QQmlApplicationEngine *engine,
+ struct agl_shell *agl_shell, QUrl &bindingAddress,
+ const char *screen_name, bool is_demo)
+{
+ struct wl_surface *bg, *top, *bottom;
+ struct wl_output *output;
+ QObject *qobj_bg, *qobj_top, *qobj_bottom;
+ QScreen *screen = nullptr;
+
+ if (is_demo) {
+ QQmlComponent bg_comp(engine, QUrl("qrc:/background_demo.qml"));
+ qInfo() << bg_comp.errors();
+
+ QQmlComponent top_comp(engine, QUrl("qrc:/toppanel_demo.qml"));
+ qInfo() << top_comp.errors();
+
+ QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel_demo.qml"));
+ qInfo() << bot_comp.errors();
+
+ top = create_component(native, &top_comp, screen, &qobj_top);
+ bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
+ bg = create_component(native, &bg_comp, screen, &qobj_bg);
+ } else {
+ QQmlComponent bg_comp(engine, QUrl("qrc:/background.qml"));
+ qInfo() << bg_comp.errors();
+
+ QQmlComponent top_comp(engine, QUrl("qrc:/toppanel.qml"));
+ qInfo() << top_comp.errors();
+
+ QQmlComponent bot_comp(engine, QUrl("qrc:/bottompanel.qml"));
+ qInfo() << bot_comp.errors();
+
+ top = create_component(native, &top_comp, screen, &qobj_top);
+ bottom = create_component(native, &bot_comp, screen, &qobj_bottom);
+ bg = create_component(native, &bg_comp, screen, &qobj_bg);
+ }
+
+ if (!screen_name)
+ screen = qApp->primaryScreen();
+ else
+ screen = find_screen(screen_name);
+
+ qDebug() << "found primary screen " << qApp->primaryScreen()->name() <<
+ "first screen " << qApp->screens().first()->name();
+ output = getWlOutput(native, screen);
+
+
+ /* engine.rootObjects() works only if we had a load() */
+ StatusBarModel *statusBar = qobj_top->findChild<StatusBarModel *>("statusBar");
+ if (statusBar) {
+ qDebug() << "got statusBar objectname, doing init()";
+ statusBar->init(bindingAddress, engine->rootContext());
+ }
+
+ agl_shell_set_panel(agl_shell, top, output, AGL_SHELL_EDGE_TOP);
+ agl_shell_set_panel(agl_shell, bottom, output, AGL_SHELL_EDGE_BOTTOM);
+ qDebug() << "Setting homescreen to screen " << screen->name();
+
+ agl_shell_set_background(agl_shell, bg, output);
+
+ /* Delay the ready signal until after Qt has done all of its own setup
+ * in a.exec() */
+ QTimer::singleShot(500, [agl_shell](){
+ agl_shell_ready(agl_shell);
+ });
+}
+