Support changing locales at runtime in QPA plugins.

Change-Id: Id65798b81db2fa9fb5b1d929e4a94103995c6707
Reviewed-by: Jørgen Lind <jorgen.lind@nokia.com>

5 files changed, 31 insertions, 2 deletions

diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h
index 31d0b75..74b0ee5 100644
--- a/src/gui/kernel/qapplication_p.h
+++ b/src/gui/kernel/qapplication_p.h
@@ -507,7 +507,7 @@ public:
     static void reportGeometryChange(QWindowSystemInterfacePrivate::ScreenGeometryEvent *e);
 //    static void reportAvailableGeometryChange(int screenIndex);
     static void reportAvailableGeometryChange(QWindowSystemInterfacePrivate::ScreenAvailableGeometryEvent *e);
-
+    static void reportLocaleChange();
 #endif
 
 #ifdef Q_WS_QWS
diff --git a/src/gui/kernel/qapplication_qpa.cpp b/src/gui/kernel/qapplication_qpa.cpp
index 6b00258..242b5ef 100644
--- a/src/gui/kernel/qapplication_qpa.cpp
+++ b/src/gui/kernel/qapplication_qpa.cpp
@@ -130,6 +130,9 @@ void QApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate
         QApplicationPrivate::reportAvailableGeometryChange(
                 static_cast<QWindowSystemInterfacePrivate::ScreenAvailableGeometryEvent *>(e));
         break;
+    case QWindowSystemInterfacePrivate::LocaleChange:
+        QApplicationPrivate::reportLocaleChange();
+        break;
     default:
         qWarning() << "Unknown user input event type:" << e->type;
         break;
@@ -981,4 +984,9 @@ void QApplicationPrivate::reportAvailableGeometryChange(
     }
 }
 
+void QApplicationPrivate::reportLocaleChange()
+{
+    QApplication::sendSpontaneousEvent( qApp, new QEvent( QEvent::LocaleChange ) );
+}
+
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qwindowsysteminterface_qpa.cpp b/src/gui/kernel/qwindowsysteminterface_qpa.cpp
index 97e4e65..24fc664 100644
--- a/src/gui/kernel/qwindowsysteminterface_qpa.cpp
+++ b/src/gui/kernel/qwindowsysteminterface_qpa.cpp
@@ -42,6 +42,7 @@
 #include "qwindowsysteminterface_qpa_p.h"
 #include "qapplication_p.h"
 #include <QAbstractEventDispatcher>
+#include <private/qlocale_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -288,4 +289,14 @@ void QWindowSystemInterface::handleScreenCountChange(int count)
     QWindowSystemInterfacePrivate::queueWindowSystemEvent(e);
 }
 
+void QWindowSystemInterface::handleLocaleChange()
+{
+    QWindowSystemInterfacePrivate::LocaleChangeEvent *e =
+            new QWindowSystemInterfacePrivate::LocaleChangeEvent();
+
+    QLocalePrivate::updateSystemPrivate();
+    QWindowSystemInterfacePrivate::queueWindowSystemEvent(e);
+}
+
+
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qwindowsysteminterface_qpa.h b/src/gui/kernel/qwindowsysteminterface_qpa.h
index 064b68c..c8f660d 100644
--- a/src/gui/kernel/qwindowsysteminterface_qpa.h
+++ b/src/gui/kernel/qwindowsysteminterface_qpa.h
@@ -100,6 +100,8 @@ public:
     static void handleScreenGeometryChange(int screenIndex);
     static void handleScreenAvailableGeometryChange(int screenIndex);
     static void handleScreenCountChange(int count);
+
+    static void handleLocaleChange();
 };
 
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qwindowsysteminterface_qpa_p.h b/src/gui/kernel/qwindowsysteminterface_qpa_p.h
index f26b8ee..4ff65f9 100644
--- a/src/gui/kernel/qwindowsysteminterface_qpa_p.h
+++ b/src/gui/kernel/qwindowsysteminterface_qpa_p.h
@@ -61,7 +61,8 @@ public:
         Touch,
         ScreenGeometry,
         ScreenAvailableGeometry,
-        ScreenCountChange
+        ScreenCountChange,
+        LocaleChange
     };
 
     class WindowSystemEvent {
@@ -193,6 +194,13 @@ public:
         int index;
     };
 
+    class LocaleChangeEvent : public WindowSystemEvent {
+    public:
+        LocaleChangeEvent()
+            : WindowSystemEvent(LocaleChange) { }
+    };
+
+
     static QList<WindowSystemEvent *> windowSystemEventQueue;
     static QMutex queueMutex;