Add native event filters to Windows, forward to Widgets.

Use prototypically for qwizard_win.cpp.

Change-Id: I075e81ae1bc3d62d9f27e51c73c800ffd71cbcd6
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>

3 files changed, 18 insertions, 16 deletions

diff --git a/src/widgets/dialogs/qwizard.cpp b/src/widgets/dialogs/qwizard.cpp
index 2c56ffc391..4e707ab7c1 100644
--- a/src/widgets/dialogs/qwizard.cpp
+++ b/src/widgets/dialogs/qwizard.cpp
@@ -3205,16 +3205,17 @@ void QWizard::paintEvent(QPaintEvent * event)
 #endif
 }
 
-#if defined(Q_WS_WIN)
+#if defined(Q_OS_WIN)
 /*!
     \reimp
 */
-bool QWizard::winEvent(MSG *message, long *result)
+bool QWizard::nativeEvent(const QByteArray &eventType, void *message, long *result)
 {
 #if !defined(QT_NO_STYLE_WINDOWSVISTA)
     Q_D(QWizard);
-    if (d->isVistaThemeEnabled()) {
-        const bool winEventResult = d->vistaHelper->handleWinEvent(message, result);
+    if (d->isVistaThemeEnabled() && eventType == QByteArrayLiteral("windows_generic_MSG")) {
+        MSG *windowsMessage = static_cast<MSG *>(message);
+        const bool winEventResult = d->vistaHelper->handleWinEvent(windowsMessage, result);
         if (QVistaHelper::vistaState() != d->vistaState) {
             d->vistaState = QVistaHelper::vistaState();
             d->vistaStateChanged = true;
@@ -3222,10 +3223,10 @@ bool QWizard::winEvent(MSG *message, long *result)
         }
         return winEventResult;
     } else {
-        return QDialog::winEvent(message, result);
+        return QDialog::nativeEvent(eventType, message, result);
     }
 #else
-    return QDialog::winEvent(message, result);
+    return QDialog::nativeEvent(eventType, message, result);
 #endif
 }
 #endif
diff --git a/src/widgets/dialogs/qwizard.h b/src/widgets/dialogs/qwizard.h
index cd8920671f..caa9d5e648 100644
--- a/src/widgets/dialogs/qwizard.h
+++ b/src/widgets/dialogs/qwizard.h
@@ -189,8 +189,8 @@ protected:
     bool event(QEvent *event);
     void resizeEvent(QResizeEvent *event);
     void paintEvent(QPaintEvent *event);
-#if defined(Q_WS_WIN)
-    bool winEvent(MSG * message, long * result);
+#ifdef Q_OS_WIN
+    bool nativeEvent(const QByteArray &eventType, void * message, long * result);
 #endif
     void done(int result);
     virtual void initializePage(int id);
diff --git a/src/widgets/dialogs/qwizard_win.cpp b/src/widgets/dialogs/qwizard_win.cpp
index 3efd8274bd..d60a47f2c2 100644
--- a/src/widgets/dialogs/qwizard_win.cpp
+++ b/src/widgets/dialogs/qwizard_win.cpp
@@ -399,12 +399,13 @@ bool QVistaHelper::winEvent(MSG* msg, long* result)
         *result = DefWindowProc(msg->hwnd, msg->message, msg->wParam, msg->lParam);
         break;
     }
-    case WM_NCCALCSIZE: {
-        NCCALCSIZE_PARAMS* lpncsp = (NCCALCSIZE_PARAMS*)msg->lParam;
-        *result = DefWindowProc(msg->hwnd, msg->message, msg->wParam, msg->lParam);
-        lpncsp->rgrc[0].top -= (vistaState() == VistaAero ? titleBarSize() : 0);
-        break;
-    }
+//    case WM_NCCALCSIZE: { #fixme: If the frame size is changed, it needs to be communicated to the QWindow.
+//        NCCALCSIZE_PARAMS* lpncsp = (NCCALCSIZE_PARAMS*)msg->lParam;
+//        *result = DefWindowProc(msg->hwnd, msg->message, msg->wParam, msg->lParam);
+//        lpncsp->rgrc[0].top -= (vistaState() == VistaAero ? titleBarSize() : 0);
+//
+//        break;
+//    }
     default:
         retval = false;
     }
@@ -480,8 +481,8 @@ bool QVistaHelper::handleWinEvent(MSG *message, long *result)
     if (wizard->wizardStyle() == QWizard::AeroStyle && vistaState() == VistaAero) {
         status = winEvent(message, result);
         if (message->message == WM_NCCALCSIZE) {
-            if (status)
-                collapseTopFrameStrut();
+//          if (status) #fixme
+//                collapseTopFrameStrut();
         } else if (message->message == WM_NCPAINT) {
             wizard->update();
         }