Remove dead code from Qt 4 times

The benefit of keeping this code around was to inspire or inform
changes in the areas to take into account possibly missing features
in Qt 5, but at this point that benefit is questionable. We can
always use the history to learn about missing pieces if needed.

Change-Id: I87a02dc451e9027be9b97554427bf8a1c6b2c025
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

1 files changed, 1 insertions, 152 deletions

diff --git a/src/widgets/kernel/qwidget_p.h b/src/widgets/kernel/qwidget_p.h
index 941f92c062..6fd9c2d273 100644
--- a/src/widgets/kernel/qwidget_p.h
+++ b/src/widgets/kernel/qwidget_p.h
@@ -155,41 +155,6 @@ struct QTLWExtra {
     uint sizeAdjusted : 1;
     uint inTopLevelResize : 1;
     uint embedded : 1;
-
-    // *************************** Platform specific values (bit fields first) **********
-#if 0 /* Used to be included in Qt4 for Q_WS_X11 */ // <----------------------------------------------------------- X11
-    uint spont_unmapped: 1; // window was spontaneously unmapped
-    uint dnd : 1; // DND properties installed
-    uint validWMState : 1; // is WM_STATE valid?
-    uint waitingForMapNotify : 1; // show() has been called, haven't got the MapNotify yet
-    WId parentWinId; // parent window Id (valid after reparenting)
-    WId userTimeWindow; // window id that contains user-time timestamp when WM supports a _NET_WM_USER_TIME_WINDOW atom
-    QPoint fullScreenOffset;
-#ifndef QT_NO_XSYNC
-    WId syncUpdateCounter;
-    ulong syncRequestTimestamp;
-    qint32 newCounterValueHi;
-    quint32 newCounterValueLo;
-#endif
-#elif 0 /* Used to be included in Qt4 for Q_WS_WIN */ // <--------------------------------------------------------- WIN
-    uint hotkeyRegistered: 1; // Hot key from the STARTUPINFO has been registered.
-    HICON winIconBig; // internal big Windows icon
-    HICON winIconSmall; // internal small Windows icon
-#elif 0 /* Used to be included in Qt4 for Q_WS_MAC */ // <--------------------------------------------------------- MAC
-    uint resizer : 4;
-    uint isSetGeometry : 1;
-    uint isMove : 1;
-    quint32 wattr;
-    quint32 wclass;
-    WindowGroupRef group;
-    IconRef windowIcon; // the current window icon, if set with setWindowIcon_sys.
-    quint32 savedWindowAttributesFromMaximized; // Saved attributes from when the calling updateMaximizeButton_sys()
-    // This value is just to make sure we maximize and restore to the right location, yet we allow apps to be maximized and
-    // manually resized.
-    // The name is misleading, since this is set when maximizing the window. It is a hint to saveGeometry(..) to record the
-    // starting position as 0,0 instead of the normal starting position.
-    bool wasMaximized;
-#endif
 };
 
 struct QWExtra {
@@ -228,21 +193,6 @@ struct QWExtra {
     uint inRenderWithPainter : 1;
     uint hasMask : 1;
     uint hasWindowContainer : 1;
-
-    // *************************** Platform specific values (bit fields first) **********
-#if 0 /* Used to be included in Qt4 for Q_WS_WIN */ // <----------------------------------------------------------- WIN
-#if QT_CONFIG(draganddrop)
-    QOleDropTarget *dropTarget; // drop target
-    QList<QPointer<QWidget> > oleDropWidgets;
-#endif
-#elif 0 /* Used to be included in Qt4 for Q_WS_X11 */ // <--------------------------------------------------------- X11
-    uint compress_events : 1;
-    WId xDndProxy; // XDND forwarding to embedded windows
-#elif 0 /* Used to be included in Qt4 for Q_WS_MAC */ // <------------------------------------------------------ MAC
-    // Cocoa Mask stuff
-    QImage maskBits;
-    CGImageRef imageMask;
-#endif
 };
 
 /*!
@@ -770,109 +720,8 @@ public:
     // *************************** Platform specific ************************************
 #if defined(Q_OS_WIN)
     uint noPaintOnScreen : 1; // see qwidget.cpp ::paintEngine()
-#endif
-#if 0 /* Used to be included in Qt4 for Q_WS_X11 */ // <----------------------------------------------------------- X11
-    Qt::HANDLE picture;
-    static QWidget *mouseGrabber;
-    static QWidget *keyboardGrabber;
-
-    void setWindowRole();
-    void sendStartupMessage(const char *message) const;
-    void x11UpdateIsOpaque();
-    bool isBackgroundInherited() const;
-    void updateX11AcceptFocus();
-    QPoint mapToGlobal(const QPoint &pos) const;
-    QPoint mapFromGlobal(const QPoint &pos) const;
-#elif 0 /* Used to be included in Qt4 for Q_WS_WIN */ // <--------------------------------------------------------- WIN
-#ifndef QT_NO_GESTURES
-    uint nativeGesturePanEnabled : 1;
-#endif
-    bool shouldShowMaximizeButton();
-    void winUpdateIsOpaque();
-    void reparentChildren();
-#if QT_CONFIG(draganddrop)
-    QOleDropTarget *registerOleDnd(QWidget *widget);
-    void unregisterOleDnd(QWidget *widget, QOleDropTarget *target);
-#endif
-    void grabMouseWhileInWindow();
-    void registerTouchWindow();
-    void winSetupGestures();
-#elif defined(Q_OS_MAC) // <--------------------------------------------------------- MAC
+#elif defined(Q_OS_MAC)
     void macUpdateSizeAttribute();
-#elif 0 /* Used to be included in Qt4 for Q_WS_MAC */ // <--------------------------------------------------------- MAC (old stuff)
-    // This is new stuff
-    uint needWindowChange : 1;
-
-    // Each wiget keeps a list of all its child and grandchild OpenGL widgets.
-    // This list is used to update the gl context whenever a parent and a granparent
-    // moves, and also to check for intersections with gl widgets within the window
-    // when a widget moves.
-    struct GlWidgetInfo
-    {
-        GlWidgetInfo(QWidget *widget) : widget(widget), lastUpdateWidget(0) { }
-        bool operator==(const GlWidgetInfo &other) const { return (widget == other.widget); }
-        QWidget * widget;
-        QWidget * lastUpdateWidget;
-    };
-
-    // dirtyOnWidget contains the areas in the widget that needs to be repained,
-    // in the same way as dirtyOnScreen does for the window. Areas are added in
-    // dirtyWidget_sys and cleared in the paint event. In scroll_sys we then use
-    // this information repaint invalid areas when widgets are scrolled.
-    QRegion dirtyOnWidget;
-    EventHandlerRef window_event;
-    QList<GlWidgetInfo> glWidgets;
-
-    //these are here just for code compat (HIViews)
-    Qt::HANDLE qd_hd;
-
-    void macUpdateHideOnSuspend();
-    void macUpdateOpaqueSizeGrip();
-    void macUpdateIgnoreMouseEvents();
-    void macUpdateMetalAttribute();
-    void macUpdateIsOpaque();
-    void macSetNeedsDisplay(QRegion region);
-    void setEnabled_helper_sys(bool enable);
-    bool isRealWindow() const;
-    void adjustWithinMaxAndMinSize(int &w, int &h);
-    void applyMaxAndMinSizeOnWindow();
-    void update_sys(const QRect &rect);
-    void update_sys(const QRegion &rgn);
-    void setGeometry_sys_helper(int, int, int, int, bool);
-    void updateMaximizeButton_sys();
-    void createWindow_sys();
-    void recreateMacWindow();
-    void setSubWindowStacking(bool set);
-    void setWindowLevel();
-    void finishCreateWindow_sys_Cocoa(void * /*NSWindow * */ windowRef);
-    void syncCocoaMask();
-    void finishCocoaMaskSetup();
-    // Did we add the drawRectOriginal method?
-    bool drawRectOriginalAdded;
-    // Is the original drawRect method available?
-    bool originalDrawMethod;
-    // Do we need to change the methods?
-    bool changeMethods;
-
-    // Unified toolbar variables
-    bool isInUnifiedToolbar;
-    QUnifiedToolbarSurface *unifiedSurface;
-    QPoint toolbar_offset;
-    QWidget *toolbar_ancestor;
-    bool flushRequested;
-    bool touchEventsEnabled;
-    void determineWindowClass();
-    void transferChildren();
-    bool qt_mac_dnd_event(uint, DragRef);
-    void toggleDrawers(bool);
-    //mac event functions
-    static bool qt_create_root_win();
-    static void qt_clean_root_win();
-    static bool qt_mac_update_sizer(QWidget *, int up = 0);
-    static OSStatus qt_window_event(EventHandlerCallRef er, EventRef event, void *);
-    static OSStatus qt_widget_event(EventHandlerCallRef er, EventRef event, void *);
-    static bool qt_widget_rgn(QWidget *, short, RgnHandle, bool);
-    void registerTouchWindow(bool enable = true);
 #endif
     void setNetWmWindowTypes(bool skipIfMissing = false);