File indexing completed on 2025-03-23 13:47:55

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2016 Martin Gräßlin <mgraesslin@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #include "kwin_wayland_test.h"
 
 #include "core/output.h"
 #include "core/outputbackend.h"
 #include "cursor.h"
 #include "deleted.h"
 #include "utils/xcbutils.h"
 #include "wayland_server.h"
 #include "window.h"
 #include "workspace.h"
 #include "x11window.h"
 #include <kwineffects.h>
 
 #include <netwm.h>
 #include <xcb/xcb_icccm.h>
 
 namespace KWin
 {
 
 static const QString s_socketName = QStringLiteral("wayland_test_kwin_x11_desktop_window-0");
 
 class X11DesktopWindowTest : public QObject
 {
     Q_OBJECT
 private Q_SLOTS:
     void initTestCase();
     void init();
     void cleanup();
     void testDesktopWindow();
 
 private:
 };
 
 void X11DesktopWindowTest::initTestCase()
 {
     qRegisterMetaType<KWin::Window *>();
     qRegisterMetaType<KWin::Deleted *>();
     QSignalSpy applicationStartedSpy(kwinApp(), &Application::started);
     QVERIFY(waylandServer()->init(s_socketName));
     QMetaObject::invokeMethod(kwinApp()->outputBackend(), "setVirtualOutputs", Qt::DirectConnection, Q_ARG(QVector<QRect>, QVector<QRect>() << QRect(0, 0, 1280, 1024) << QRect(1280, 0, 1280, 1024)));
 
     kwinApp()->start();
     QVERIFY(applicationStartedSpy.wait());
     const auto outputs = workspace()->outputs();
     QCOMPARE(outputs.count(), 2);
     QCOMPARE(outputs[0]->geometry(), QRect(0, 0, 1280, 1024));
     QCOMPARE(outputs[1]->geometry(), QRect(1280, 0, 1280, 1024));
     setenv("QT_QPA_PLATFORM", "wayland", true);
 }
 
 void X11DesktopWindowTest::init()
 {
     workspace()->setActiveOutput(QPoint(640, 512));
     Cursors::self()->mouse()->setPos(QPoint(640, 512));
 }
 
 void X11DesktopWindowTest::cleanup()
 {
 }
 
 struct XcbConnectionDeleter
 {
     void operator()(xcb_connection_t *pointer)
     {
         xcb_disconnect(pointer);
     }
 };
 
 void X11DesktopWindowTest::testDesktopWindow()
 {
     // this test creates a desktop window with an RGBA visual and verifies that it's only considered
     // as an RGB (opaque) window in KWin
 
     // create an xcb window
     std::unique_ptr<xcb_connection_t, XcbConnectionDeleter> c(xcb_connect(nullptr, nullptr));
     QVERIFY(!xcb_connection_has_error(c.get()));
 
     xcb_window_t windowId = xcb_generate_id(c.get());
     const QRect windowGeometry(0, 0, 1280, 1024);
 
     // helper to find the visual
     auto findDepth = [&c]() -> xcb_visualid_t {
         // find a visual with 32 depth
         const xcb_setup_t *setup = xcb_get_setup(c.get());
 
         for (auto screen = xcb_setup_roots_iterator(setup); screen.rem; xcb_screen_next(&screen)) {
             for (auto depth = xcb_screen_allowed_depths_iterator(screen.data); depth.rem; xcb_depth_next(&depth)) {
                 if (depth.data->depth != 32) {
                     continue;
                 }
                 const int len = xcb_depth_visuals_length(depth.data);
                 const xcb_visualtype_t *visuals = xcb_depth_visuals(depth.data);
 
                 for (int i = 0; i < len; i++) {
                     return visuals[0].visual_id;
                 }
             }
         }
         return 0;
     };
     auto visualId = findDepth();
     auto colormapId = xcb_generate_id(c.get());
     auto cmCookie = xcb_create_colormap_checked(c.get(), XCB_COLORMAP_ALLOC_NONE, colormapId, rootWindow(), visualId);
     QVERIFY(!xcb_request_check(c.get(), cmCookie));
 
     const uint32_t values[] = {XCB_PIXMAP_NONE, Xcb::defaultScreen()->black_pixel, colormapId};
     auto cookie = xcb_create_window_checked(c.get(), 32, windowId, rootWindow(),
                                             windowGeometry.x(),
                                             windowGeometry.y(),
                                             windowGeometry.width(),
                                             windowGeometry.height(),
                                             0, XCB_WINDOW_CLASS_INPUT_OUTPUT, visualId, XCB_CW_BACK_PIXMAP | XCB_CW_BORDER_PIXEL | XCB_CW_COLORMAP, values);
     QVERIFY(!xcb_request_check(c.get(), cookie));
     xcb_size_hints_t hints;
     memset(&hints, 0, sizeof(hints));
     xcb_icccm_size_hints_set_position(&hints, 1, windowGeometry.x(), windowGeometry.y());
     xcb_icccm_size_hints_set_size(&hints, 1, windowGeometry.width(), windowGeometry.height());
     xcb_icccm_set_wm_normal_hints(c.get(), windowId, &hints);
     NETWinInfo info(c.get(), windowId, rootWindow(), NET::WMAllProperties, NET::WM2AllProperties);
     info.setWindowType(NET::Desktop);
     xcb_map_window(c.get(), windowId);
     xcb_flush(c.get());
 
     // verify through a geometry request that it's depth 32
     Xcb::WindowGeometry geo(windowId);
     QCOMPARE(geo->depth, uint8_t(32));
 
     // we should get a window for it
     QSignalSpy windowCreatedSpy(workspace(), &Workspace::windowAdded);
     QVERIFY(windowCreatedSpy.wait());
     X11Window *window = windowCreatedSpy.first().first().value<X11Window *>();
     QVERIFY(window);
     QCOMPARE(window->window(), windowId);
     QVERIFY(!window->isDecorated());
     QCOMPARE(window->windowType(), NET::Desktop);
     QCOMPARE(window->frameGeometry(), windowGeometry);
     QVERIFY(window->isDesktop());
     QCOMPARE(window->depth(), 24);
     QVERIFY(!window->hasAlpha());
 
     // and destroy the window again
     xcb_unmap_window(c.get(), windowId);
     xcb_destroy_window(c.get(), windowId);
     xcb_flush(c.get());
     c.reset();
 
     QSignalSpy windowClosedSpy(window, &X11Window::windowClosed);
     QVERIFY(windowClosedSpy.wait());
 }
 
 }
 
 WAYLANDTEST_MAIN(KWin::X11DesktopWindowTest)
 #include "desktop_window_x11_test.moc"