Windows platform headers: Add isTabletMode()

Add a bool function querying Windows 10 tablet mode.

Task-number: QTBUG-56831
Change-Id: Ief728a7d80a11ba79f7859033ff4be6ef79bbd4e
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>

1 files changed, 13 insertions, 2 deletions

diff --git a/src/plugins/platforms/windows/qwindowsnativeinterface.cpp b/src/plugins/platforms/windows/qwindowsnativeinterface.cpp
index cee5dbf165..d750eef19d 100644
--- a/src/plugins/platforms/windows/qwindowsnativeinterface.cpp
+++ b/src/plugins/platforms/windows/qwindowsnativeinterface.cpp
@@ -38,6 +38,7 @@
 ****************************************************************************/
 
 #include "qwindowsnativeinterface.h"
+#include "qwindowsclipboard.h"
 #include "qwindowswindow.h"
 #include "qwindowscontext.h"
 #include "qwindowscursor.h"
@@ -45,6 +46,7 @@
 #include "qwindowsopengltester.h"
 #include "qwindowsintegration.h"
 #include "qwindowsmime.h"
+#include "qwin10helpers.h"
 
 #include <QtGui/QWindow>
 #include <QtGui/QOpenGLContext>
@@ -253,14 +255,23 @@ QFont QWindowsNativeInterface::logFontToQFont(const void *logFont, int verticalD
     return QWindowsFontDatabase::LOGFONT_to_QFont(*reinterpret_cast<const LOGFONT *>(logFont), verticalDpi);
 }
 
+bool QWindowsNativeInterface::isTabletMode()
+{
+#if QT_CONFIG(clipboard)
+    if (const QWindowsClipboard *clipboard = QWindowsClipboard::instance())
+        return qt_windowsIsTabletMode(clipboard->clipboardViewer());
+#endif
+    return false;
+}
+
 QFunctionPointer QWindowsNativeInterface::platformFunction(const QByteArray &function) const
 {
     if (function == QWindowsWindowFunctions::setTouchWindowTouchTypeIdentifier())
         return QFunctionPointer(QWindowsWindow::setTouchWindowTouchTypeStatic);
     else if (function == QWindowsWindowFunctions::setHasBorderInFullScreenIdentifier())
         return QFunctionPointer(QWindowsWindow::setHasBorderInFullScreenStatic);
-    else if (function == QWindowsWindowFunctions::setWindowActivationBehaviorIdentifier())
-        return QFunctionPointer(QWindowsNativeInterface::setWindowActivationBehavior);
+    else if (function == QWindowsWindowFunctions::isTabletModeIdentifier())
+        return QFunctionPointer(QWindowsNativeInterface::isTabletMode);
     return Q_NULLPTR;
 }