Initial import from the monolithic Qt.

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Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 675 insertions, 0 deletions

diff --git a/src/gui/kernel/qwidget_wince.cpp b/src/gui/kernel/qwidget_wince.cpp
new file mode 100644
index 0000000000..7676182ef0
--- /dev/null
+++ b/src/gui/kernel/qwidget_wince.cpp
@@ -0,0 +1,675 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifdef Q_WS_WINCE
+
+#include "qguifunctions_wince.h"
+
+QT_BEGIN_NAMESPACE
+
+const QString qt_reg_winclass(QWidget *w);                // defined in qapplication_win.cpp
+extern "C" LRESULT QT_WIN_CALLBACK QtWndProc(HWND, UINT, WPARAM, LPARAM);
+
+//#define TABLET_DEBUG
+#define PACKETDATA  (PK_X | PK_Y | PK_BUTTONS | PK_NORMAL_PRESSURE | PK_TANGENT_PRESSURE \
+                     | PK_ORIENTATION | PK_CURSOR | PK_Z)
+#define PACKETMODE  0
+
+typedef HCTX        (API *PtrWTOpen)(HWND, LPLOGCONTEXT, BOOL);
+typedef BOOL        (API *PtrWTClose)(HCTX);
+typedef UINT        (API *PtrWTInfo)(UINT, UINT, LPVOID);
+typedef BOOL        (API *PtrWTEnable)(HCTX, BOOL);
+typedef BOOL        (API *PtrWTOverlap)(HCTX, BOOL);
+typedef int        (API *PtrWTPacketsGet)(HCTX, int, LPVOID);
+typedef BOOL        (API *PtrWTGet)(HCTX, LPLOGCONTEXT);
+typedef int     (API *PtrWTQueueSizeGet)(HCTX);
+typedef BOOL    (API *PtrWTQueueSizeSet)(HCTX, int);
+
+#ifndef QT_NO_TABLETEVENT
+static void qt_tablet_init_wce();
+static void qt_tablet_cleanup_wce();
+
+static void qt_tablet_init_wce() {
+    static bool firstTime = true;
+    if (!firstTime)
+        return;
+    firstTime = false;
+    qt_tablet_widget = new QWidget(0);
+    qt_tablet_widget->createWinId();
+    qt_tablet_widget->setObjectName(QLatin1String("Qt internal tablet widget"));
+    LOGCONTEXT lcMine;
+    qAddPostRoutine(qt_tablet_cleanup_wce);
+    struct tagAXIS tpOri[3];
+    if (ptrWTInfo && ptrWTOpen && ptrWTQueueSizeGet && ptrWTQueueSizeSet) {
+        // make sure we have WinTab
+        if (!ptrWTInfo(0, 0, NULL)) {
+#ifdef TABLET_DEBUG
+            qWarning("QWidget: Wintab services not available");
+#endif
+            return;
+        }
+
+        // some tablets don't support tilt, check if it is possible,
+        qt_tablet_tilt_support = ptrWTInfo(WTI_DEVICES, DVC_ORIENTATION, &tpOri);
+        if (qt_tablet_tilt_support) {
+            // check for azimuth and altitude
+            qt_tablet_tilt_support = tpOri[0].axResolution && tpOri[1].axResolution;
+        }
+        // build our context from the default context
+        ptrWTInfo(WTI_DEFSYSCTX, 0, &lcMine);
+        // Go for the raw coordinates, the tablet event will return good stuff
+        lcMine.lcOptions |= CXO_MESSAGES | CXO_CSRMESSAGES;
+        lcMine.lcPktData = PACKETDATA;
+        lcMine.lcPktMode = PACKETMODE;
+        lcMine.lcMoveMask = PACKETDATA;
+        lcMine.lcOutOrgX = 0;
+        lcMine.lcOutExtX = lcMine.lcInExtX;
+        lcMine.lcOutOrgY = 0;
+        lcMine.lcOutExtY = -lcMine.lcInExtY;
+        qt_tablet_context = ptrWTOpen(qt_tablet_widget->winId(), &lcMine, true);
+#ifdef TABLET_DEBUG
+        qDebug("Tablet is %p", qt_tablet_context);
+#endif
+        if (!qt_tablet_context) {
+#ifdef TABLET_DEBUG
+            qWarning("QWidget: Failed to open the tablet");
+#endif
+            return;
+        }
+        // Set the size of the Packet Queue to the correct size...
+        int currSize = ptrWTQueueSizeGet(qt_tablet_context);
+        if (!ptrWTQueueSizeSet(qt_tablet_context, QT_TABLET_NPACKETQSIZE)) {
+            // Ideally one might want to use a smaller
+            // multiple, but for now, since we managed to destroy
+            // the existing Q with the previous call, set it back
+            // to the other size, which should work.  If not,
+            // there will be trouble.
+            if (!ptrWTQueueSizeSet(qt_tablet_context, currSize)) {
+                Q_ASSERT_X(0, "Qt::Internal", "There is no packet queue for"
+                         " the tablet. The tablet will not work");
+            }
+        }
+    }
+}
+
+static void qt_tablet_cleanup_wce() {
+    if (ptrWTClose)
+        ptrWTClose(qt_tablet_context);
+    delete qt_tablet_widget;
+    qt_tablet_widget = 0;
+}
+#endif // QT_NO_TABLETEVENT
+
+
+// The internal qWinRequestConfig, defined in qapplication_win.cpp, stores move,
+// resize and setGeometry requests for a widget that is already
+// processing a config event. The purpose is to avoid recursion.
+//
+void qWinRequestConfig(WId, int, int, int, int, int);
+
+void QWidgetPrivate::create_sys(WId window, bool initializeWindow, bool destroyOldWindow) {
+    Q_Q(QWidget);
+    static int sw = -1, sh = -1;
+
+    Qt::WindowType type = q->windowType();
+    Qt::WindowFlags flags = data.window_flags;
+
+    bool topLevel = (flags & Qt::Window);
+    bool popup = (type == Qt::Popup);
+    bool dialog = (type == Qt::Dialog
+                   || type == Qt::Sheet
+                   || (flags & Qt::MSWindowsFixedSizeDialogHint));
+    bool desktop = (type == Qt::Desktop);
+    bool tool = (type == Qt::Tool || type == Qt::Drawer);
+
+    HINSTANCE appinst  = qWinAppInst();
+    HWND parentw, destroyw = 0;
+    WId id;
+
+    QString windowClassName = qt_reg_winclass(q);
+
+    if (!window)                                // always initialize
+        initializeWindow = true;
+
+    if (popup)
+        flags |= Qt::WindowStaysOnTopHint; // a popup stays on top
+
+    if (flags & (Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint | Qt::WindowContextHelpButtonHint)) {
+        flags |= Qt::WindowSystemMenuHint;
+        flags |= Qt::WindowTitleHint;
+        flags &= ~Qt::FramelessWindowHint;
+    }
+
+    if (sw < 0) {                                // get the (primary) screen size
+        sw = GetSystemMetrics(SM_CXSCREEN);
+        sh = GetSystemMetrics(SM_CYSCREEN);
+    }
+
+    if (desktop) {                                // desktop widget
+        popup = false;                                // force this flags off
+        data.crect.setRect(0, 0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN));
+    }
+
+    parentw = q->parentWidget() ? q->parentWidget()->effectiveWinId() : 0;
+
+    QString title;
+    int style = WS_CHILD;
+    int exsty = WS_EX_NOPARENTNOTIFY;
+
+    if (topLevel) {
+        if (!(flags & Qt::FramelessWindowHint) && !tool && !q->testAttribute(Qt::WA_DontShowOnScreen))
+          style = (WS_OVERLAPPED) | WS_SYSMENU;
+        else
+          style = WS_POPUP;
+        if ((type == Qt::ToolTip) || (type == Qt::SplashScreen)) {
+            style = WS_POPUP;
+            exsty |= WS_EX_NOANIMATION;
+        } else {
+            if (flags & Qt::WindowTitleHint)
+                style |= WS_CAPTION;
+            if (flags & Qt::WindowSystemMenuHint)
+                style |= WS_SYSMENU;
+            if (flags & Qt::WindowContextHelpButtonHint)
+                exsty |= WS_EX_CONTEXTHELP;
+#ifndef Q_WS_WINCE_WM
+            if (flags & Qt::WindowMinimizeButtonHint)
+                style |= WS_MINIMIZEBOX;
+            if (shouldShowMaximizeButton())
+                style |= WS_MAXIMIZEBOX;
+#endif
+            if (tool)
+                exsty |= WS_EX_TOOLWINDOW;
+        }
+    }
+    if (dialog) {
+        style = WS_BORDER | WS_CAPTION;
+        if (flags & Qt::WindowOkButtonHint)
+            exsty |= WS_EX_CAPTIONOKBTN;
+        if (flags & Qt::WindowCancelButtonHint || flags & Qt::WA_DeleteOnClose)
+            style |= WS_SYSMENU;
+        if (flags & Qt::WindowContextHelpButtonHint)
+            exsty |= WS_EX_CONTEXTHELP;
+    }
+    if (popup) {
+        style = WS_POPUP;
+        exsty |= WS_EX_NOANIMATION;
+    }
+
+    if (flags & Qt::WindowTitleHint) {
+        title = q->isWindow() ? qAppName() : q->objectName();
+    }
+
+    // The Qt::WA_WState_Created flag is checked by translateConfigEvent() in
+    // qapplication_win.cpp. We switch it off temporarily to avoid move
+    // and resize events during creationt
+    q->setAttribute(Qt::WA_WState_Created, false);
+
+    if (window) {                                // override the old window
+        if (destroyOldWindow)
+            destroyw = data.winid;
+        id = window;
+        setWinId(window);
+        LONG res = SetWindowLong(window, GWL_STYLE, style);
+        if (!res)
+            qErrnoWarning("QWidget::create: Failed to set window style");
+
+        res = SetWindowLong( window, GWL_WNDPROC, (LONG)QtWndProc );
+
+        if (!res)
+            qErrnoWarning("QWidget::create: Failed to set window procedure");
+    } else if (desktop) {                        // desktop widget
+        id = GetDesktopWindow();
+        if (!id) { //Create a dummy desktop
+            RECT r;
+            SystemParametersInfo(SPI_GETWORKAREA, 0, &r, 0);
+            id = CreateWindow(reinterpret_cast<const wchar_t *>(windowClassName.utf16()),
+                              reinterpret_cast<const wchar_t *>(title.utf16()), style,
+                              r.left, r.top, r.right - r.left, r.bottom - r.top,
+                              0, 0, appinst, 0);
+        }
+        setWinId(id);
+    } else if (topLevel) {                       // create top-level widget
+        const bool wasMoved = q->testAttribute(Qt::WA_Moved);
+        
+        int x, y;
+        if (qt_wince_is_mobile()) {
+            x = wasMoved ? data.crect.left() : CW_USEDEFAULT;
+            y = wasMoved ? data.crect.top() : CW_USEDEFAULT;
+        } else {
+            x = wasMoved ? data.crect.left() : 100;
+            y = wasMoved ? data.crect.top() : 100;
+        }
+        
+        int w = CW_USEDEFAULT;
+        int h = CW_USEDEFAULT;
+
+        // Adjust for framestrut when needed
+        RECT rect = {0,0,0,0};
+        if (AdjustWindowRectEx(&rect, style, FALSE, exsty)) {
+            QTLWExtra *td = maybeTopData();
+            if (wasMoved && (td && !td->posFromMove)) {
+                x = data.crect.x() + rect.left;
+                y = data.crect.y() + rect.top;
+            }
+
+            if (q->testAttribute(Qt::WA_Resized)) {
+                w = data.crect.width() + (rect.right - rect.left);
+                h = data.crect.height() + (rect.bottom - rect.top);
+            }
+        }
+
+        id = CreateWindowEx(exsty, reinterpret_cast<const wchar_t *>(windowClassName.utf16()),
+                            reinterpret_cast<const wchar_t *>(title.utf16()), style,
+                            x, y, w, h,
+                            0, 0, appinst, 0);
+
+        if (!id)
+            qErrnoWarning("QWidget::create: Failed to create window");
+        setWinId(id);
+        if ((flags & Qt::WindowStaysOnTopHint) || (type == Qt::ToolTip))
+            SetWindowPos(id, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE);
+    } else if (q->testAttribute(Qt::WA_NativeWindow) || paintOnScreen()) { // create child widget
+        id = CreateWindowEx(exsty, (wchar_t*)windowClassName.utf16(), (wchar_t*)title.utf16(), style,
+                            data.crect.left(), data.crect.top(), data.crect.width(), data.crect.height(),
+                            parentw, NULL, appinst, NULL);
+        if (!id)
+            qErrnoWarning("QWidget::create: Failed to create window");
+        SetWindowPos(id, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE);
+        setWinId(id);
+    }
+
+    if (desktop) {
+        q->setAttribute(Qt::WA_WState_Visible);
+    } else if (topLevel && !q->testAttribute(Qt::WA_DontShowOnScreen)) {
+        RECT  cr;
+        GetClientRect(id, &cr);
+        // one cannot trust cr.left and cr.top, use a correction POINT instead
+        POINT pt;
+        pt.x = 0;
+        pt.y = 0;
+        if (!q->testAttribute(Qt::WA_DontShowOnScreen) || q->testAttribute(Qt::WA_Moved))
+            ClientToScreen(id, &pt);
+        data.crect = QRect(QPoint(pt.x, pt.y),
+                            QPoint(pt.x + cr.right - 1, pt.y + cr.bottom - 1));
+
+        if (data.fstrut_dirty) {
+            // be nice to activeqt
+            updateFrameStrut();
+        }
+    }
+
+    q->setAttribute(Qt::WA_WState_Created);                // accept move/resize events
+    hd = 0;                                        // no display context
+
+    if (window) {                                // got window from outside
+        if (IsWindowVisible(window))
+            q->setAttribute(Qt::WA_WState_Visible);
+        else
+            q->setAttribute(Qt::WA_WState_Visible, false);
+    }
+
+    if (extra && !extra->mask.isEmpty())
+        setMask_sys(extra->mask);
+
+#if defined(QT_NON_COMMERCIAL)
+    QT_NC_WIDGET_CREATE
+#endif
+
+    if (q->hasFocus() && q->testAttribute(Qt::WA_InputMethodEnabled))
+        q->inputContext()->setFocusWidget(q);
+
+    if (destroyw) {
+        DestroyWindow(destroyw);
+    }
+
+#ifndef QT_NO_TABLETEVENT
+    if (q != qt_tablet_widget && QWidgetPrivate::mapper)
+        qt_tablet_init_wce();
+#endif // QT_NO_TABLETEVENT
+
+    if (q->testAttribute(Qt::WA_DropSiteRegistered))
+        registerDropSite(true);
+
+    if (maybeTopData() && maybeTopData()->opacity != 255)
+        q->setWindowOpacity(maybeTopData()->opacity/255.);
+
+    if (!topLevel && q->testAttribute(Qt::WA_NativeWindow) && q->testAttribute(Qt::WA_Mapped)) {
+        Q_ASSERT(q->internalWinId());
+        ShowWindow(q->internalWinId(), SW_SHOW);
+    }
+}
+
+/*
+  \internal
+  Platform-specific part of QWidget::show().
+*/
+void QWidgetPrivate::show_sys() {
+    Q_Q(QWidget);
+#if defined(QT_NON_COMMERCIAL)
+    QT_NC_SHOW_WINDOW
+#endif
+    if (q->testAttribute(Qt::WA_OutsideWSRange))
+        return;
+
+    q->setAttribute(Qt::WA_Mapped);
+
+    Q_ASSERT(q->testAttribute(Qt::WA_WState_Created));
+
+    if (q->testAttribute(Qt::WA_DontShowOnScreen)) {
+        invalidateBuffer(q->rect());
+        return;
+    }
+
+
+    int sm = SW_SHOW;
+    bool fakedMaximize = false;
+    if (q->isWindow()) {
+#ifndef Q_WS_WINCE_WM
+        if (q->isMinimized()) {
+            sm = SW_SHOWMINIMIZED;
+        } else if (q->isMaximized()) {
+            sm = SW_SHOWMAXIMIZED;
+            // Windows will not behave correctly when we try to maximize a window which does not
+            // have minimize nor maximize buttons in the window frame. Windows would then ignore
+            // non-available geometry, and rather maximize the widget to the full screen, minus the
+            // window frame (caption). So, we do a trick here, by adding a maximize button before
+            // maximizing the widget, and then remove the maximize button afterwards.
+            Qt::WindowFlags &flags = data.window_flags;
+            if (flags & Qt::WindowTitleHint &&
+                !(flags & (Qt::WindowMinMaxButtonsHint | Qt::FramelessWindowHint))) {
+                fakedMaximize = TRUE;
+                int style = GetWindowLong(q->internalWinId(), GWL_STYLE);
+                SetWindowLong(q->internalWinId(), GWL_STYLE, style | WS_MAXIMIZEBOX);
+            }
+        } else
+#else
+        // Imitate minimizing on Windows mobile by hiding the widget.
+        if (q->isMinimized())
+            sm = SW_HIDE;
+#endif
+        if (q->isHidden()) {
+            sm = SW_HIDE;
+        }
+    }
+    if (q->testAttribute(Qt::WA_ShowWithoutActivating)
+        || (q->windowType() == Qt::Popup)
+        || (q->windowType() == Qt::ToolTip)
+        || (q->windowType() == Qt::Tool)) {
+        sm = SW_SHOWNOACTIVATE;
+    }
+
+    ShowWindow(q->internalWinId(), sm);
+
+    if (q->isMaximized() && q->isWindow())
+        qt_wince_maximize(q);
+
+#ifndef Q_WS_WINCE_WM
+    if (!qt_wince_is_mobile() && q->isFullScreen()) {
+        HWND handle = FindWindow(L"HHTaskBar", L"");
+        if (handle) {
+            ShowWindow(handle, SW_HIDE);
+            EnableWindow(handle, false);
+        }
+    }
+
+    if (fakedMaximize) {
+        int style = GetWindowLong(q->internalWinId(), GWL_STYLE);
+        SetWindowLong(q->internalWinId(), GWL_STYLE, style & ~WS_MAXIMIZEBOX);
+        SetWindowPos(q->internalWinId(), 0, 0, 0, 0, 0,
+                     SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER
+                     | SWP_FRAMECHANGED);
+    }
+#else
+    Q_UNUSED(fakedMaximize);
+#endif
+
+    if (q->isWindow() && sm == SW_SHOW)
+        SetForegroundWindow(q->internalWinId());
+
+    invalidateBuffer(q->rect());
+}
+
+void QWidget::setWindowState(Qt::WindowStates newstate)
+{
+    Q_D(QWidget);
+    Qt::WindowStates oldstate = windowState();
+    if (oldstate == newstate)
+        return;
+
+    int max = SW_SHOWNORMAL;
+    int normal = SW_SHOWNOACTIVATE;
+
+    if ((oldstate & Qt::WindowMinimized) && !(newstate & Qt::WindowMinimized))
+        newstate |= Qt::WindowActive;
+    if (newstate & Qt::WindowActive)
+        normal = SW_SHOWNORMAL;
+    if (isWindow()) {
+        createWinId();
+        Q_ASSERT(testAttribute(Qt::WA_WState_Created));
+        // Ensure the initial size is valid, since we store it as normalGeometry below.
+        if ((!testAttribute(Qt::WA_Resized) && !isVisible()))
+            adjustSize();
+        if (!d->topData()->normalGeometry.isValid()) {
+            if (newstate & Qt::WindowMaximized && !(oldstate & Qt::WindowFullScreen))
+                d->topData()->normalGeometry = geometry();
+            if (newstate & Qt::WindowMinimized && !(oldstate & Qt::WindowFullScreen))
+                d->topData()->normalGeometry = geometry();
+        }
+        if ((oldstate & Qt::WindowMaximized) != (newstate & Qt::WindowMaximized)) {
+            if (!(newstate & Qt::WindowMaximized)) {
+                int style = GetWindowLong(internalWinId(), GWL_STYLE) | WS_BORDER | WS_POPUP | WS_CAPTION;
+                SetWindowLong(internalWinId(), GWL_STYLE, style);
+                SetWindowLong(internalWinId(), GWL_EXSTYLE, GetWindowLong (internalWinId(), GWL_EXSTYLE) & ~ WS_EX_NODRAG);
+                qt_wince_unmaximize(this);
+            }
+            if (isVisible() && newstate & Qt::WindowMaximized)
+                qt_wince_maximize(this);
+            if (isVisible() && !(newstate & Qt::WindowMinimized)) {
+                ShowWindow(internalWinId(), (newstate & Qt::WindowMaximized) ? max : normal);
+                if (!(newstate & Qt::WindowFullScreen)) {
+                    QRect r = d->topData()->normalGeometry;
+                    if (!(newstate & Qt::WindowMaximized) && r.width() >= 0) {
+                        if (pos() != r.topLeft() || size() !=r.size()) {
+                            d->topData()->normalGeometry = QRect(0,0,-1,-1);
+                            setGeometry(r);
+                        }
+                    }
+                } else {
+                    d->updateFrameStrut();
+                }
+            }
+        }
+        if ((oldstate & Qt::WindowFullScreen) != (newstate & Qt::WindowFullScreen)) {
+            if (newstate & Qt::WindowFullScreen) {
+                if (d->topData()->normalGeometry.width() < 0 && !(oldstate & Qt::WindowMaximized))
+                    d->topData()->normalGeometry = geometry();
+                d->topData()->savedFlags = (Qt::WindowFlags)GetWindowLong(internalWinId(), GWL_STYLE);
+                UINT style = WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_POPUP;
+                if (isVisible())
+                    style |= WS_VISIBLE;
+                SetWindowLong(internalWinId(), GWL_STYLE, style);
+                QRect r = qApp->desktop()->screenGeometry(this);
+                UINT swpf = SWP_FRAMECHANGED;
+                if (newstate & Qt::WindowActive)
+                    swpf |= SWP_NOACTIVATE;
+                qt_wince_full_screen(internalWinId(), true, swpf);
+                d->updateFrameStrut();
+            } else {
+                UINT style = d->topData()->savedFlags;
+                if (isVisible())
+                    style |= WS_VISIBLE;
+                SetWindowLong(internalWinId(), GWL_STYLE, style);
+                UINT swpf = SWP_FRAMECHANGED | SWP_NOZORDER | SWP_NOSIZE | SWP_NOMOVE;
+                if (newstate & Qt::WindowActive)
+                    swpf |= SWP_NOACTIVATE;
+                qt_wince_full_screen(internalWinId(), false, swpf);
+                d->updateFrameStrut();
+
+                // preserve maximized state
+                if (isVisible()) {
+                    ShowWindow(internalWinId(), (newstate & Qt::WindowMaximized) ? max : normal);
+                    if (newstate & Qt::WindowMaximized)
+                        qt_wince_maximize(this);
+                }
+                if (!(newstate & Qt::WindowMaximized)) {
+                    QRect r = d->topData()->normalGeometry;
+                    d->topData()->normalGeometry = QRect(0,0,-1,-1);
+                    if (r.isValid())
+                        setGeometry(r);
+                }
+            }
+        }
+        if ((oldstate & Qt::WindowMinimized) != (newstate & Qt::WindowMinimized)) {
+            if (newstate & Qt::WindowMinimized)
+                qt_wince_minimize(internalWinId());
+            else if (newstate & Qt::WindowMaximized) {
+                ShowWindow(internalWinId(), max);
+                qt_wince_maximize(this);
+            } else {
+                ShowWindow(internalWinId(), normal);
+            }
+        }
+    }
+    data->window_state = newstate;
+    QWindowStateChangeEvent e(oldstate);
+    QApplication::sendEvent(this, &e);
+}
+
+void QWidgetPrivate::deleteSysExtra()
+{
+    Q_Q(QWidget);
+    if (!qt_wince_is_mobile() && q->isFullScreen()) {
+        HWND handle = FindWindow(L"HHTaskBar", L"");
+        if (handle) {
+            ShowWindow(handle, SW_SHOWNORMAL);
+            EnableWindow(handle, true);
+        }
+    }
+}
+
+void QWidgetPrivate::setWindowOpacity_sys(qreal level) {
+    Q_UNUSED(level);
+    return;
+}
+
+// The procedure does nothing, but is required for mousegrabbing to work
+LRESULT QT_WIN_CALLBACK qJournalRecordProc(int nCode, WPARAM wParam, LPARAM lParam) {
+    Q_UNUSED(nCode);
+    Q_UNUSED(wParam);
+    Q_UNUSED(lParam);
+    return 0;
+}
+
+void QWidget::grabMouse() {
+    if (!qt_nograb()) {
+        if (mouseGrb)
+            mouseGrb->releaseMouse();
+        Q_ASSERT(testAttribute(Qt::WA_WState_Created));
+        SetCapture(internalWinId());
+        mouseGrb = this;
+    }
+}
+
+#ifndef QT_NO_CURSOR
+void QWidget::grabMouse(const QCursor &cursor) {
+    if (!qt_nograb()) {
+        if (mouseGrb)
+            mouseGrb->releaseMouse();
+        Q_ASSERT(testAttribute(Qt::WA_WState_Created));
+        SetCapture(internalWinId());
+        mouseGrbCur = new QCursor(cursor);
+        SetCursor(mouseGrbCur->handle());
+        mouseGrb = this;
+    }
+}
+#endif
+
+void QWidget::releaseMouse() {
+    if (!qt_nograb() && mouseGrb == this) {
+        ReleaseCapture();
+        if (journalRec) {
+            journalRec = 0;
+        }
+        if (mouseGrbCur) {
+            delete mouseGrbCur;
+            mouseGrbCur = 0;
+        }
+        mouseGrb = 0;
+    }
+}
+
+void QWidget::show()
+{
+    Qt::WindowFlags flags = windowFlags() & 0xff;
+    int threshold = qApp->autoMaximizeThreshold();
+    if ((threshold < 0) || (windowState() & Qt::WindowFullScreen) || (windowState() & Qt::WindowMaximized)) {
+        setVisible(true);
+        return;
+    }
+    int height = sizeHint().height();
+    int screenHeight = (qreal(threshold) / 100.0f * qApp->desktop()->screenGeometry(this).height());
+    bool maximize  = height > screenHeight;
+    if (!maximize) {
+        // If we do not maximize yet we check the widget and its child widgets whether they are
+        //vertically expanding. If one of the widgets is expanding we maximize.
+        QList<QWidget *> list = findChildren<QWidget *>();
+        bool expandingChild = sizePolicy().verticalPolicy () == QSizePolicy::Expanding;
+        for (int i = 0; (i < list.size()) && !expandingChild; ++i) {
+            expandingChild = list.at(i)->sizePolicy().verticalPolicy () == QSizePolicy::Expanding;
+        }
+        maximize = expandingChild;
+    }
+    if ((minimumSizeHint().height() > qApp->desktop()->screenGeometry(this).height()) || (minimumSizeHint().width() > qApp->desktop()->screenGeometry(this).width()))
+        maximize = false;
+
+    if ((flags == Qt::Window || flags == Qt::Dialog) && maximize) {
+        setWindowState((windowState() & ~(Qt::WindowMinimized | Qt::WindowFullScreen))
+            | Qt::WindowMaximized);
+        setVisible(true);
+    }
+    else {
+        setVisible(true);
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif // Q_WS_WINCE