From 1e9d9e20442ff9a68bbb038c8d9b9132ccf389e9 Mon Sep 17 00:00:00 2001
From: Andreas Holzammer <andreas.holzammer@kdab.com>
Date: Thu, 2 Aug 2012 09:57:15 +0200
Subject: [PATCH] Fix FullScreen for Windows CE
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

For Windows CE the taskbar needs to be hidden
manually.

Change-Id: Ife69a2a91457ba0c162e4e1be88f87ad22c61190
Reviewed-by: Björn Breitmeyer <bjoern.breitmeyer@kdab.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@nokia.com>
---
 .../platforms/windows/qwindowswindow.cpp      | 23 +++++++++++++++++++
 .../platforms/windows/qwindowswindow.h        |  3 +++
 2 files changed, 26 insertions(+)

diff --git a/src/plugins/platforms/windows/qwindowswindow.cpp b/src/plugins/platforms/windows/qwindowswindow.cpp
index 9c40336069..1c76ff4ef8 100644
--- a/src/plugins/platforms/windows/qwindowswindow.cpp
+++ b/src/plugins/platforms/windows/qwindowswindow.cpp
@@ -703,6 +703,9 @@ QWindowsWindow::QWindowsWindow(QWindow *aWindow, const WindowData &data) :
 #ifdef QT_OPENGL_ES_2
    , m_eglSurface(0)
 #endif
+#ifdef Q_OS_WINCE
+  , m_previouslyHidden(false)
+#endif
 {
     if (aWindow->surfaceType() == QWindow::OpenGLSurface)
         setFlag(OpenGLSurface);
@@ -744,6 +747,14 @@ void QWindowsWindow::destroyWindow()
             eglDestroySurface(m_staticEglContext->display(), m_eglSurface);
             m_eglSurface = 0;
         }
+#endif
+#ifdef Q_OS_WINCE
+        if ((m_windowState & Qt::WindowFullScreen) && !m_previouslyHidden) {
+            HWND handle = FindWindow(L"HHTaskBar", L"");
+            if (handle) {
+                ShowWindow(handle, SW_SHOW);
+            }
+        }
 #endif
         if (m_data.hwnd != GetDesktopWindow())
             DestroyWindow(m_data.hwnd);
@@ -1210,6 +1221,18 @@ void QWindowsWindow::setWindowState_sys(Qt::WindowState newState)
     }
 
     if ((oldState == Qt::WindowFullScreen) != (newState == Qt::WindowFullScreen)) {
+#ifdef Q_OS_WINCE
+        HWND handle = FindWindow(L"HHTaskBar", L"");
+        if (handle) {
+            if (newState == Qt::WindowFullScreen) {
+                BOOL hidden = ShowWindow(handle, SW_HIDE);
+                if (!hidden)
+                    m_previouslyHidden = true;
+            } else if (!m_previouslyHidden){
+                ShowWindow(handle, SW_SHOW);
+            }
+        }
+#endif
         if (newState == Qt::WindowFullScreen) {
 #ifndef Q_FLATTEN_EXPOSE
             UINT newStyle = WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_POPUP;
diff --git a/src/plugins/platforms/windows/qwindowswindow.h b/src/plugins/platforms/windows/qwindowswindow.h
index b45b00b434..8e6ff9f891 100644
--- a/src/plugins/platforms/windows/qwindowswindow.h
+++ b/src/plugins/platforms/windows/qwindowswindow.h
@@ -270,6 +270,9 @@ private:
     EGLSurface m_eglSurface;
     QSharedPointer<QWindowsEGLStaticContext> m_staticEglContext;
 #endif
+#ifdef Q_OS_WINCE
+    bool m_previouslyHidden;
+#endif
 };
 
 // Conveniences for window frames.