Move WinRT font database to QtFontDatabaseSupport

Similar to what we recently did with the Windows font databases.

The goal, again, is to add platform font database support for the
minimal QPA plugin.

Change-Id: Ide5f4ec452c920f169cc31c617cbcf19d8d1764d
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@qt.io>
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>

src/platformsupport/fontdatabases/fontdatabases.pro

@@ -24,6 +24,10 @@ darwin:!if(watchos:CONFIG(simulator, simulator|device)) {
     win32:!winrt {
         include($$PWD/windows/windows.pri)
     }
+
+    winrt {
+        include($$PWD/winrt/winrt.pri)
+    }
 }
 
 load(qt_module)

src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase.cpp

@@ -37,7 +37,7 @@
 **
 ****************************************************************************/
 
-#include "qwinrtfontdatabase.h"
+#include "qwinrtfontdatabase_p.h"
 
 #include <QtCore/QCoreApplication>
 #include <QtCore/QFile>

src/platformsupport/fontdatabases/winrt/qwinrtfontdatabase_p.h

@@ -40,6 +40,17 @@
 #ifndef QWINRTFONTDATABASE_H
 #define QWINRTFONTDATABASE_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtFontDatabaseSupport/private/qbasicfontdatabase_p.h>
 #include <QtCore/QLoggingCategory>
 

src/platformsupport/fontdatabases/winrt/winrt.pri

@@ -0,0 +1,11 @@
+QT *= gui-private
+
+SOURCES += \
+    $$PWD/qwinrtfontdatabase.cpp
+
+HEADERS += \
+    $$PWD/qwinrtfontdatabase_p.h
+
+DEFINES += __WRL_NO_DEFAULT_LIB__
+
+LIBS += $$QMAKE_LIBS_CORE -ldwrite

src/plugins/platforms/winrt/qwinrtintegration.cpp

@@ -45,7 +45,6 @@
 #include "qwinrtinputcontext.h"
 #include "qwinrtservices.h"
 #include "qwinrteglcontext.h"
-#include "qwinrtfontdatabase.h"
 #include "qwinrttheme.h"
 #include "qwinrtclipboard.h"
 #ifndef QT_NO_DRAGANDDROP
@@ -56,6 +55,7 @@
 #include <QtGui/QOpenGLContext>
 #include <QtGui/QSurface>
 
+#include <QtFontDatabaseSupport/private/qwinrtfontdatabase_p.h>
 #include <QtEglSupport/private/qeglpbuffer_p.h>
 #include <qpa/qwindowsysteminterface.h>
 #include <qpa/qplatformwindow.h>

src/plugins/platforms/winrt/winrt.pro

@@ -8,7 +8,7 @@ QT += \
 
 DEFINES *= QT_NO_CAST_FROM_ASCII __WRL_NO_DEFAULT_LIB__
 
-LIBS += $$QMAKE_LIBS_CORE -ldwrite -ld3d11
+LIBS += $$QMAKE_LIBS_CORE -ld3d11
 
 SOURCES = \
     main.cpp  \
@@ -20,7 +20,6 @@ SOURCES = \
     qwinrteventdispatcher.cpp \
     qwinrtfiledialoghelper.cpp \
     qwinrtfileengine.cpp \
-    qwinrtfontdatabase.cpp \
     qwinrtinputcontext.cpp \
     qwinrtintegration.cpp \
     qwinrtmessagedialoghelper.cpp \
@@ -39,7 +38,6 @@ HEADERS = \
     qwinrteventdispatcher.h \
     qwinrtfiledialoghelper.h \
     qwinrtfileengine.h \
-    qwinrtfontdatabase.h \
     qwinrtinputcontext.h \
     qwinrtintegration.h \
     qwinrtmessagedialoghelper.h \