1 files changed, 147 insertions, 2 deletions

diff --git a/src/plugins/platforms/xcb/qxcbnativeinterface.cpp b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
index b45bd6a82e..a00da04c26 100644
--- a/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
+++ b/src/plugins/platforms/xcb/qxcbnativeinterface.cpp
@@ -60,6 +60,8 @@
 #include "qglxintegration.h"
 #endif
 
+#include <QtPlatformHeaders/qxcbwindowfunctions.h>
+
 #ifdef XCB_USE_XLIB
 #  include <X11/Xlib.h>
 #else
@@ -77,11 +79,14 @@ static int resourceType(const QByteArray &key)
         QByteArrayLiteral("display"),  QByteArrayLiteral("egldisplay"),
         QByteArrayLiteral("connection"), QByteArrayLiteral("screen"),
         QByteArrayLiteral("eglcontext"),
+        QByteArrayLiteral("eglconfig"),
+        QByteArrayLiteral("glxconfig"),
         QByteArrayLiteral("glxcontext"), QByteArrayLiteral("apptime"),
         QByteArrayLiteral("appusertime"), QByteArrayLiteral("hintstyle"),
         QByteArrayLiteral("startupid"), QByteArrayLiteral("traywindow"),
         QByteArrayLiteral("gettimestamp"), QByteArrayLiteral("x11screen"),
-        QByteArrayLiteral("rootwindow")
+        QByteArrayLiteral("rootwindow"),
+        QByteArrayLiteral("subpixeltype"), QByteArrayLiteral("antialiasingEnabled")
     };
     const QByteArray *end = names + sizeof(names) / sizeof(names[0]);
     const QByteArray *result = std::find(names, end, key);
@@ -91,7 +96,9 @@ static int resourceType(const QByteArray &key)
 }
 
 QXcbNativeInterface::QXcbNativeInterface() :
-    m_genericEventFilterType(QByteArrayLiteral("xcb_generic_event_t"))
+    m_genericEventFilterType(QByteArrayLiteral("xcb_generic_event_t")),
+    m_sysTraySelectionAtom(XCB_ATOM_NONE),
+    m_systrayVisualId(XCB_NONE)
 
 {
 }
@@ -133,6 +140,82 @@ QRect QXcbNativeInterface::systemTrayWindowGlobalGeometry(const QWindow *window)
     return QRect();
 }
 
+xcb_window_t QXcbNativeInterface::locateSystemTray(xcb_connection_t *conn, const QXcbScreen *screen)
+{
+    if (m_sysTraySelectionAtom == XCB_ATOM_NONE) {
+        const QByteArray net_sys_tray = QString::fromLatin1("_NET_SYSTEM_TRAY_S%1").arg(screen->screenNumber()).toLatin1();
+        xcb_intern_atom_cookie_t intern_c =
+            xcb_intern_atom_unchecked(conn, true, net_sys_tray.length(), net_sys_tray);
+
+        xcb_intern_atom_reply_t *intern_r = xcb_intern_atom_reply(conn, intern_c, 0);
+
+        if (!intern_r)
+            return XCB_WINDOW_NONE;
+
+        m_sysTraySelectionAtom = intern_r->atom;
+        free(intern_r);
+    }
+
+    xcb_get_selection_owner_cookie_t sel_owner_c = xcb_get_selection_owner_unchecked(conn, m_sysTraySelectionAtom);
+    xcb_get_selection_owner_reply_t *sel_owner_r = xcb_get_selection_owner_reply(conn, sel_owner_c, 0);
+
+    if (!sel_owner_r)
+        return XCB_WINDOW_NONE;
+
+    xcb_window_t selection_window = sel_owner_r->owner;
+    free(sel_owner_r);
+
+    return selection_window;
+}
+
+bool QXcbNativeInterface::systrayVisualHasAlphaChannel() {
+    const QXcbScreen *screen = static_cast<QXcbScreen *>(QGuiApplication::primaryScreen()->handle());
+
+    if (m_systrayVisualId == XCB_NONE) {
+        xcb_connection_t *xcb_conn = screen->xcb_connection();
+        xcb_atom_t tray_atom = screen->atom(QXcbAtom::_NET_SYSTEM_TRAY_VISUAL);
+
+        xcb_window_t systray_window = locateSystemTray(xcb_conn, screen);
+        if (systray_window == XCB_WINDOW_NONE)
+            return false;
+
+        // Get the xcb property for the _NET_SYSTEM_TRAY_VISUAL atom
+        xcb_get_property_cookie_t systray_atom_cookie;
+        xcb_get_property_reply_t *systray_atom_reply;
+
+        systray_atom_cookie = xcb_get_property_unchecked(xcb_conn, false, systray_window,
+                                                        tray_atom, XCB_ATOM_VISUALID, 0, 1);
+        systray_atom_reply = xcb_get_property_reply(xcb_conn, systray_atom_cookie, 0);
+
+        if (!systray_atom_reply)
+            return false;
+
+        if (systray_atom_reply->value_len > 0 && xcb_get_property_value_length(systray_atom_reply) > 0) {
+            xcb_visualid_t * vids = (uint32_t *)xcb_get_property_value(systray_atom_reply);
+            m_systrayVisualId = vids[0];
+        }
+
+        free(systray_atom_reply);
+    }
+
+    if (m_systrayVisualId != XCB_NONE) {
+        quint8 depth = screen->depthOfVisual(m_systrayVisualId);
+        return depth == 32;
+    } else {
+        return false;
+    }
+}
+
+void QXcbNativeInterface::clearRegion(const QWindow *qwindow, const QRect& rect)
+{
+    if (const QPlatformWindow *platformWindow = qwindow->handle()) {
+        const QXcbWindow *qxwindow = static_cast<const QXcbWindow *>(platformWindow);
+        xcb_connection_t *xcb_conn = qxwindow->xcb_connection();
+
+        xcb_clear_area(xcb_conn, false, qxwindow->xcb_window(), rect.x(), rect.y(), rect.width(), rect.height());
+    }
+}
+
 void *QXcbNativeInterface::nativeResourceForIntegration(const QByteArray &resourceString)
 {
     void *result = 0;
@@ -160,6 +243,12 @@ void *QXcbNativeInterface::nativeResourceForContext(const QByteArray &resourceSt
     case EglContext:
         result = eglContextForContext(context);
         break;
+    case EglConfig:
+        result = eglConfigForContext(context);
+        break;
+    case GLXConfig:
+        result = glxConfigForContext(context);
+        break;
     case GLXContext:
         result = glxContextForContext(context);
         break;
@@ -189,6 +278,12 @@ void *QXcbNativeInterface::nativeResourceForScreen(const QByteArray &resource, Q
     case ScreenHintStyle:
         result = reinterpret_cast<void *>(xcbScreen->hintStyle() + 1);
         break;
+    case ScreenSubpixelType:
+        result = reinterpret_cast<void *>(xcbScreen->subpixelType() + 1);
+        break;
+    case ScreenAntialiasingEnabled:
+        result = reinterpret_cast<void *>(xcbScreen->antialiasingEnabled() + 1);
+        break;
     case TrayWindow:
         if (QXcbSystemTrayTracker *s = systemTrayTracker(screen))
             result = (void *)quintptr(s->trayWindow());
@@ -225,6 +320,14 @@ void *QXcbNativeInterface::nativeResourceForWindow(const QByteArray &resourceStr
     return result;
 }
 
+QPlatformNativeInterface::NativeResourceForIntegrationFunction QXcbNativeInterface::nativeResourceFunctionForIntegration(const QByteArray &resource)
+{
+    QByteArray lowerCaseResource = resource.toLower();
+    if (lowerCaseResource == "setstartupid")
+        return NativeResourceForIntegrationFunction(setStartupId);
+    return 0;
+}
+
 QPlatformNativeInterface::NativeResourceForScreenFunction QXcbNativeInterface::nativeResourceFunctionForScreen(const QByteArray &resource)
 {
     const QByteArray lowerCaseResource = resource.toLower();
@@ -235,6 +338,14 @@ QPlatformNativeInterface::NativeResourceForScreenFunction QXcbNativeInterface::n
     return 0;
 }
 
+QFunctionPointer QXcbNativeInterface::platformFunction(const QByteArray &function) const
+{
+    if (function == QXcbWindowFunctions::setWmWindowTypeIdentifier()) {
+        return QFunctionPointer(QXcbWindow::setWmWindowTypeStatic);
+    }
+    return Q_NULLPTR;
+}
+
 void *QXcbNativeInterface::appTime(const QXcbScreen *screen)
 {
     return reinterpret_cast<void *>(quintptr(screen->connection()->time()));
@@ -287,6 +398,15 @@ void QXcbNativeInterface::setAppUserTime(QScreen* screen, xcb_timestamp_t time)
     static_cast<QXcbScreen *>(screen->handle())->connection()->setNetWmUserTime(time);
 }
 
+void QXcbNativeInterface::setStartupId(const char *data)
+{
+    QByteArray startupId(data);
+    QXcbIntegration *integration = static_cast<QXcbIntegration *>(QGuiApplicationPrivate::platformIntegration());
+    QXcbConnection *defaultConnection = integration->defaultConnection();
+    if (defaultConnection)
+        defaultConnection->setStartupId(startupId);
+}
+
 QPlatformNativeInterface::NativeResourceForContextFunction QXcbNativeInterface::nativeResourceFunctionForContext(const QByteArray &resource)
 {
     QByteArray lowerCaseResource = resource.toLower();
@@ -353,6 +473,18 @@ void * QXcbNativeInterface::eglContextForContext(QOpenGLContext *context)
 #endif
 }
 
+void * QXcbNativeInterface::eglConfigForContext(QOpenGLContext *context)
+{
+    Q_ASSERT(context);
+#if defined(XCB_USE_EGL)
+    QEGLPlatformContext *eglPlatformContext = static_cast<QEGLPlatformContext *>(context->handle());
+    return eglPlatformContext->eglConfig();
+#else
+    Q_UNUSED(context);
+    return 0;
+#endif
+}
+
 void *QXcbNativeInterface::glxContextForContext(QOpenGLContext *context)
 {
     Q_ASSERT(context);
@@ -366,4 +498,17 @@ void *QXcbNativeInterface::glxContextForContext(QOpenGLContext *context)
 
 }
 
+void *QXcbNativeInterface::glxConfigForContext(QOpenGLContext *context)
+{
+    Q_ASSERT(context);
+#if defined(XCB_USE_GLX)
+    QGLXContext *glxPlatformContext = static_cast<QGLXContext *>(context->handle());
+    return glxPlatformContext->glxConfig();
+#else
+    Q_UNUSED(context);
+    return 0;
+#endif
+
+}
+
 QT_END_NAMESPACE