#include <qdockwidget_p.h>

Inheritance diagram for QDockWidgetPrivate:

Classes
struct	DragState

Public Functions
void	_q_toggleTopLevel ()

void	_q_toggleView (bool)

void	endDrag (bool abort=false)

void	init ()

void	initDrag (const QPoint &pos, bool nca)

bool	isAnimating () const

bool	mouseDoubleClickEvent (QMouseEvent *event)

bool	mouseMoveEvent (QMouseEvent *event)

bool	mousePressEvent (QMouseEvent *event)

bool	mouseReleaseEvent (QMouseEvent *event)

void	moveEvent (QMoveEvent *event)

void	nonClientAreaMouseEvent (QMouseEvent *event)

void	plug (const QRect &rect)

	QDockWidgetPrivate ()

void	setWindowState (bool floating, bool unplug=false, const QRect &rect=QRect())

void	startDrag ()

void	unplug (const QRect &rect)

void	updateButtons ()

Public Functions inherited from QWidgetPrivate
void	_q_showIfNotHidden ()

virtual void	aboutToDestroy ()

void	activateChildLayoutsRecursively ()

QSize	adjustedSize () const

void	adjustQuitOnCloseAttribute ()

QInputContext *	assignedInputContext () const

QPainter *	beginSharedPainter ()

QWidget *	childAt_helper (const QPoint &, bool) const

QWidget *	childAtRecursiveHelper (const QPoint &p, bool, bool includeFrame=false) const

QRect	clipRect () const

QRegion	clipRegion () const

void	clipToEffectiveMask (QRegion &region) const

bool	close_helper (CloseMode mode)

void	create_sys (WId window, bool initializeWindow, bool destroyOldWindow)

QWindowSurface *	createDefaultWindowSurface ()

QWindowSurface *	createDefaultWindowSurface_sys ()

void	createExtra ()
	Creates the widget extra data. More...

void	createRecursively ()

void	createSysExtra ()

void	createTLExtra ()

void	createTLSysExtra ()

void	createWinId (WId id=0)

void	deactivateWidgetCleanup ()

void	deleteExtra ()
	Deletes the widget extra data. More...

void	deleteSysExtra ()

void	deleteTLSysExtra ()

void	drawWidget (QPaintDevice pdev, const QRegion &rgn, const QPoint &offset, int flags, QPainter sharedPainter=0, QWidgetBackingStore *backingStore=0)

QWidget *	effectiveFocusWidget ()

QRect	effectiveRectFor (const QRect &rect) const

bool	endSharedPainter ()

void	enforceNativeChildren ()

QWExtra *	extraData () const

QRect	frameStrut () const

void	getLayoutItemMargins (int left, int top, int right, int bottom) const

const QRegion &	getOpaqueChildren () const

void	handleSoftwareInputPanel (Qt::MouseButton button, bool clickCausedFocus)

virtual bool	hasHeightForWidth () const

void	hide_helper ()

void	hide_sys ()
	Platform-specific part of QWidget::hide(). More...

void	hideChildren (bool spontaneous)

void	inheritStyle ()

void	init (QWidget *desktopWidget, Qt::WindowFlags f)

QInputContext *	inputContext () const

void	invalidateBuffer (const QRegion &)
	Invalidates the rgn (in widget's coordinates) of the backing store, i.e. More...

void	invalidateBuffer (const QRect &)
	This function is equivalent to calling invalidateBuffer(QRegion(rect), ...), but is more efficient as it eliminates QRegion operations/allocations and can use the rect more precisely for additional cut-offs. More...

void	invalidateBuffer_resizeHelper (const QPoint &oldPos, const QSize &oldSize)
	Invalidates the buffer when the widget is resized. More...

void	invalidateGraphicsEffectsRecursively ()

bool	isAboutToShow () const

bool	isBackgroundInherited () const

bool	isOverlapped (const QRect &) const

void	lower_sys ()

QPoint	mapFromGlobal (const QPoint &pos) const

QPoint	mapToGlobal (const QPoint &pos) const

QWidgetBackingStore *	maybeBackingStore () const

QTLWExtra *	maybeTopData () const

void	moveRect (const QRect &, int dx, int dy)

bool	nativeChildrenForced () const

QFont	naturalWidgetFont (uint inheritedMask) const

QPalette	naturalWidgetPalette (uint inheritedMask) const
	Returns the palette that the widget w inherits from its ancestors and QApplication::palette. More...

void	paintBackground (QPainter *, const QRegion &, int flags=DrawAsRoot) const

bool	paintOnScreen () const

void	paintSiblingsRecursive (QPaintDevice pdev, const QObjectList &children, int index, const QRegion &rgn, const QPoint &offset, int flags, QPainter sharedPainter, QWidgetBackingStore *backingStore)

bool	pointInsideRectAndMask (const QPoint &) const

QRegion	prepareToRender (const QRegion &region, QWidget::RenderFlags renderFlags)

void	propagatePaletteChange ()
	Propagate this widget's palette to all children, except style sheet widgets, and windows that don't enable window propagation (palettes don't normally propagate to windows). More...

	QWidgetPrivate (int version=QObjectPrivateVersion)

void	raise_sys ()

QPaintDevice *	redirected (QPoint *offset) const

void	registerDropSite (bool)

void	render (QPaintDevice *target, const QPoint &targetOffset, const QRegion &sourceRegion, QWidget::RenderFlags renderFlags, bool readyToRender)

void	render_helper (QPainter *painter, const QPoint &targetOffset, const QRegion &sourceRegion, QWidget::RenderFlags renderFlags)

void	repaint_sys (const QRegion &rgn)

void	reparentFocusWidgets (QWidget *oldtlw)

void	resolveFont ()
	Determine which font is implicitly imposed on this widget by its ancestors and QApplication::font, resolve this against its own font (attributes from the implicit font are copied over). More...

void	resolveLayoutDirection ()

void	resolveLocale ()

void	resolvePalette ()
	Determine which palette is inherited from this widget's ancestors and QApplication::palette, resolve this against this widget's palette (attributes from the inherited palette are copied over this widget's palette). More...

void	restoreRedirected ()

void	scroll_sys (int dx, int dy)

void	scroll_sys (int dx, int dy, const QRect &r)

void	scrollChildren (int dx, int dy)

void	scrollRect (const QRect &, int dx, int dy)

void	sendPendingMoveAndResizeEvents (bool recursive=false, bool disableUpdates=false)

void	sendStartupMessage (const char *message) const
	Platform-specific part of QWidget::show(). More...

void	setConstraints_sys ()

void	setCursor_sys (const QCursor &cursor)

void	setDirtyOpaqueRegion ()

void	setEnabled_helper (bool)

void	setFocus_sys ()

void	setFont_helper (const QFont &font)

void	setGeometry_sys (int, int, int, int, bool)

void	setLayoutDirection_helper (Qt::LayoutDirection)

void	setLayoutItemMargins (int left, int top, int right, int bottom)

void	setLayoutItemMargins (QStyle::SubElement element, const QStyleOption *opt=0)

void	setLocale_helper (const QLocale &l, bool forceUpdate=false)

void	setMask_sys (const QRegion &)

bool	setMaximumSize_helper (int &maxw, int &maxh)

bool	setMinimumSize_helper (int &minw, int &minh)

void	setModal_sys ()

void	setNetWmWindowTypes ()

void	setOpaque (bool opaque)

void	setPalette_helper (const QPalette &)

void	setParent_sys (QWidget *parent, Qt::WindowFlags)

void	setRedirected (QPaintDevice *replacement, const QPoint &offset)

void	setSharedPainter (QPainter *painter)

void	setStyle_helper (QStyle *newStyle, bool propagate, bool metalHack=false)

void	setUpdatesEnabled_helper (bool)

void	setWindowFilePath_helper (const QString &filePath)

void	setWindowIcon_helper ()

void	setWindowIcon_sys (bool forceReset=false)

void	setWindowIconText_helper (const QString &cap)

void	setWindowIconText_sys (const QString &cap)

void	setWindowOpacity_sys (qreal opacity)

void	setWindowRole ()

void	setWindowTitle_helper (const QString &cap)

void	setWindowTitle_sys (const QString &cap)

void	setWinId (WId)

QPainter *	sharedPainter () const

void	show_helper ()

void	show_recursive ()
	Makes the widget visible in the isVisible() meaning of the word. More...

void	show_sys ()
	Platform-specific part of QWidget::show(). More...

void	showChildren (bool spontaneous)

void	stackUnder_sys (QWidget *)

void	subtractOpaqueChildren (QRegion &rgn, const QRect &clipRect) const

void	subtractOpaqueSiblings (QRegion &source, bool *hasDirtySiblingsAbove=0, bool alsoNonOpaque=false) const

void	syncBackingStore ()

void	syncBackingStore (const QRegion &region)

QTLWExtra *	topData () const

void	unsetCursor_sys ()

void	updateFont (const QFont &)
	Assign font to this widget, and propagate it to all children, except style sheet widgets (handled differently) and windows that don't enable window propagation. More...

void	updateFrameStrut ()
	Computes the frame rectangle when needed. More...

void	updateGeometry_helper (bool forceUpdate)

void	updateIsOpaque ()

void	updateIsTranslucent ()

void	updateSystemBackground ()

void	updateX11AcceptFocus ()

void	x11UpdateIsOpaque ()

	~QWidgetPrivate ()

Public Functions inherited from QObjectPrivate
void	_q_reregisterTimers (void *pointer)

void	addConnection (int signal, Connection *c)

void	cleanConnectionLists ()

void	connectNotify (const char *signal)

void	deleteChildren ()

void	disconnectNotify (const char *signal)

bool	isSender (const QObject receiver, const char signal) const

bool	isSignalConnected (uint signalIdx) const
	Returns true if the signal with index signal_index from object sender is connected. More...

void	moveToThread_helper ()

	QObjectPrivate (int version=QObjectPrivateVersion)

QObjectList	receiverList (const char *signal) const

QObjectList	senderList () const

void	setParent_helper (QObject *)

void	setThreadData_helper (QThreadData currentData, QThreadData targetData)

int	signalIndex (const char *signalName) const
	Returns the signal index used in the internal connectionLists vector. More...

virtual	~QObjectPrivate ()

Public Functions inherited from QObjectData
virtual	~QObjectData ()=0

Public Variables
Qt::DockWidgetAreas	allowedAreas

QDockWidget::DockWidgetFeatures	features

QString	fixedWindowTitle

QWidgetResizeHandler *	resizer

DragState *	state

QAction *	toggleViewAction

QRect	undockedGeometry

Public Variables inherited from QWidgetPrivate
QString	accessibleDescription

QString	accessibleName

QList< QAction * >	actions

QPalette::ColorRole	bg_role: 8

signed char	bottomLayoutItemMargin

short	bottommargin

QWidgetData	data

QRegion	dirty

uint	dirtyOpaqueChildren: 1

QWExtra *	extra

QPaintEngine *	extraPaintEngine

QPalette::ColorRole	fg_role: 8

QWidget *	focus_child

QWidget *	focus_next

QWidget *	focus_prev

QMap< Qt::GestureType, Qt::GestureFlags >	gestureContext

QGraphicsEffect *	graphicsEffect

Qt::HANDLE	hd

uint	high_attributes [4]

QPointer< QInputContext >	ic

Qt::InputMethodHints	imHints

uint	inDirtyList: 1

uint	inheritedFontResolveMask

uint	inheritedPaletteResolveMask

uint	inheritsInputMethodHints: 1

uint	inSetParent: 1

uint	isGLWidget: 1

uint	isMoved: 1

uint	isOpaque: 1

uint	isScrolled: 1

QLayout *	layout

signed char	leftLayoutItemMargin

short	leftmargin

QLocale	locale

QRegion *	needsFlush

QRegion	opaqueChildren

Qt::HANDLE	picture

const QMetaObject *	polished

QPaintDevice *	redirectDev

QPoint	redirectOffset

signed char	rightLayoutItemMargin

short	rightmargin

QSizePolicy	size_policy

QString	statusTip

QString	toolTip

signed char	topLayoutItemMargin

short	topmargin

uint	usesDoubleBufferedGLContext: 1

QString	whatsThis

QWidgetItemV2 *	widgetItem

QX11Info	xinfo

Public Variables inherited from QObjectPrivate
union {
QObject * currentChildBeingDeleted

QAbstractDeclarativeData * declarativeData

};

quint32	connectedSignals [2]

QObjectConnectionListVector *	connectionLists

Sender *	currentSender

QList< QPointer< QObject > >	eventFilters

ExtraData *	extraData

QString	objectName

Connection *	senders

QAtomicPointer< QtSharedPointer::ExternalRefCountData >	sharedRefcount

QThreadData *	threadData

void *	unused

Public Variables inherited from QObjectData
uint	blockSig: 1

QObjectList	children

uint	hasGuards: 1

uint	inEventHandler: 1

uint	inThreadChangeEvent: 1

uint	isWidget: 1

QMetaObject *	metaObject

uint	ownObjectName: 1

QObject *	parent

uint	pendTimer: 1

int	postedEvents

QObject *	q_ptr

uint	receiveChildEvents: 1

uint	sendChildEvents: 1

uint	unused: 22

uint	wasDeleted: 1

Additional Inherited Members
Public Types inherited from QWidgetPrivate
enum	CloseMode { CloseNoEvent, CloseWithEvent, CloseWithSpontaneousEvent }

enum	Direction { DirectionNorth = 0x01, DirectionEast = 0x10, DirectionSouth = 0x02, DirectionWest = 0x20 }

enum	DrawWidgetFlags { DrawAsRoot = 0x01, DrawPaintOnScreen = 0x02, DrawRecursive = 0x04, DrawInvisible = 0x08, DontSubtractOpaqueChildren = 0x10, DontSetCompositionMode = 0x20, DontDrawOpaqueChildren = 0x40, DontDrawNativeChildren = 0x80 }

Public Types inherited from QObjectPrivate
typedef void(*	StaticMetaCallFunction) (QObject , QMetaObject::Call, int, void *)

Static Public Functions inherited from QWidgetPrivate
static void	adjustFlags (Qt::WindowFlags &flags, QWidget *w=0)

static QGraphicsProxyWidget *	nearestGraphicsProxyWidget (const QWidget *origin)
	Finds the nearest widget embedded in a graphics proxy widget along the chain formed by this widget and its ancestors. More...

static int	pointToRect (const QPoint &p, const QRect &r)

static QRect	screenGeometry (const QWidget *widget)

Static Public Functions inherited from QObjectPrivate
static void	clearGuards (QObject *)

static QObjectPrivate *	get (QObject *o)

static void	resetCurrentSender (QObject receiver, Sender currentSender, Sender *previousSender)

static Sender *	setCurrentSender (QObject receiver, Sender sender)

static void	signalSignature (const QMetaMethod &signal, QVarLengthArray< char > *result)

Static Public Variables inherited from QWidgetPrivate
static QWidgetSet *	allWidgets = 0

static int	instanceCounter = 0

static QWidget *	keyboardGrabber = 0

static QWidgetMapper *	mapper = 0

static int	maxInstances = 0

static QWidget *	mouseGrabber = 0

Detailed Description

Definition at line 72 of file qdockwidget_p.h.

Constructors and Destructors

◆ QDockWidgetPrivate()

QDockWidgetPrivate::QDockWidgetPrivate ( )

inline

Definition at line 86 of file qdockwidget_p.h.

     : QWidgetPrivate(), state(0),
           features(QDockWidget::DockWidgetClosable
                    | QDockWidget::DockWidgetMovable
                    | QDockWidget::DockWidgetFloatable),
           allowedAreas(Qt::AllDockWidgetAreas)
     { }

Functions

◆ _q_toggleTopLevel()

void QDockWidgetPrivate::_q_toggleTopLevel ( )

Definition at line 682 of file qdockwidget.cpp.

Referenced by QDockWidgetPrivate().

 {
     Q_Q(QDockWidget);
     q->setFloating(!q->isFloating());
 }

◆ _q_toggleView()

void QDockWidgetPrivate::_q_toggleView ( bool b )

Definition at line 640 of file qdockwidget.cpp.

Referenced by QDockWidgetPrivate().

 {
     Q_Q(QDockWidget);
     if (b == q->isHidden()) {
         if (b)
             q->show();
         else
             q->close();
     }
 }

◆ endDrag()

void QDockWidgetPrivate::endDrag ( bool abort = false )

Definition at line 747 of file qdockwidget.cpp.

 {
     Q_Q(QDockWidget);
     Q_ASSERT(state != 0);
 
     q->releaseMouse();
 
     if (state->dragging) {
         QMainWindowLayout *mwLayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
         Q_ASSERT(mwLayout != 0);
 
         if (abort || !mwLayout->plug(state->widgetItem)) {
             if (hasFeature(this, QDockWidget::DockWidgetFloatable)) {
                 if (state->ownWidgetItem)
                     delete state->widgetItem;
                 mwLayout->restore();
 #ifdef Q_WS_X11
                 // get rid of the X11BypassWindowManager window flag and activate the resizer
                 Qt::WindowFlags flags = q->windowFlags();
                 flags &= ~Qt::X11BypassWindowManagerHint;
                 q->setWindowFlags(flags);
                 resizer->setActive(QWidgetResizeHandler::Resize, true);
                 q->show();
 #else
                 QDockWidgetLayout *myLayout
                     = qobject_cast<QDockWidgetLayout*>(layout);
                 resizer->setActive(QWidgetResizeHandler::Resize,
                                     myLayout->widgetForRole(QDockWidgetLayout::TitleBar) != 0);
 #endif
                 undockedGeometry = q->geometry();
                 q->activateWindow();
             } else {
                 mwLayout->revert(state->widgetItem);
             }
         }
     }
     delete state;
     state = 0;
 }

◆ init()

void QDockWidgetPrivate::init ( )

Definition at line 578 of file qdockwidget.cpp.

Referenced by QDockWidgetPrivate().

 {
     Q_Q(QDockWidget);
 
     QDockWidgetLayout *layout = new QDockWidgetLayout(q);
     layout->setSizeConstraint(QLayout::SetMinAndMaxSize);
 
     QAbstractButton *button = new QDockWidgetTitleButton(q);
     button->setObjectName(QLatin1String("qt_dockwidget_floatbutton"));
     QObject::connect(button, SIGNAL(clicked()), q, SLOT(_q_toggleTopLevel()));
     layout->setWidgetForRole(QDockWidgetLayout::FloatButton, button);
 
     button = new QDockWidgetTitleButton(q);
     button->setObjectName(QLatin1String("qt_dockwidget_closebutton"));
     QObject::connect(button, SIGNAL(clicked()), q, SLOT(close()));
     layout->setWidgetForRole(QDockWidgetLayout::CloseButton, button);
 
     resizer = new QWidgetResizeHandler(q);
     resizer->setMovingEnabled(false);
     resizer->setActive(false);
 
 #ifndef QT_NO_ACTION
     toggleViewAction = new QAction(q);
     toggleViewAction->setCheckable(true);
     fixedWindowTitle = qt_setWindowTitle_helperHelper(q->windowTitle(), q);
     toggleViewAction->setText(fixedWindowTitle);
     QObject::connect(toggleViewAction, SIGNAL(triggered(bool)),
                         q, SLOT(_q_toggleView(bool)));
 #endif
 
     updateButtons();
 }

◆ initDrag()

void QDockWidgetPrivate::initDrag	(	const QPoint &	pos,
		bool	nca
	)

Definition at line 688 of file qdockwidget.cpp.

 {
     if (state != 0)
         return;
 
     Q_Q(QDockWidget);
     QMainWindow *win = qobject_cast<QMainWindow*>(parent);
     Q_ASSERT(win != 0);
     QMainWindowLayout *layout = qt_mainwindow_layout(win);
     Q_ASSERT(layout != 0);
     if (layout->pluggingWidget != 0) // the main window is animating a docking operation
         return;
 
     state = new QDockWidgetPrivate::DragState;
     state->dragging = false;
     state->widgetItem = 0;
     state->ownWidgetItem = false;
     state->nca = nca;
     state->ctrlDrag = false;
 
     if (!q->isFloating()) {
         // When dragging the widget out of the docking area,
         // use the middle of title area as pressPos
         QDockWidgetLayout *dwlayout = qobject_cast<QDockWidgetLayout*>(q->layout());
         Q_ASSERT(dwlayout != 0);
         int width = undockedGeometry.isNull() ? q->width() : undockedGeometry.width();
         state->pressPos.setY(dwlayout->titleArea().height() / 2);
         state->pressPos.setX(width / 2);
     } else {
         state->pressPos = pos;
     }
 }

◆ isAnimating()

bool QDockWidgetPrivate::isAnimating ( ) const

Definition at line 787 of file qdockwidget.cpp.

 {
     Q_Q(const QDockWidget);
 
     QMainWindow *mainWin = qobject_cast<QMainWindow*>(parent);
     if (mainWin == 0)
         return false;
 
     QMainWindowLayout *mainWinLayout = qt_mainwindow_layout(mainWin);
     if (mainWinLayout == 0)
         return false;
 
     return (void*)mainWinLayout->pluggingWidget == (void*)q;
 }

◆ mouseDoubleClickEvent()

bool QDockWidgetPrivate::mouseDoubleClickEvent ( QMouseEvent * event )

Definition at line 835 of file qdockwidget.cpp.

 {
     QDockWidgetLayout *dwLayout = qobject_cast<QDockWidgetLayout*>(layout);
 
     if (!dwLayout->nativeWindowDeco()) {
         QRect titleArea = dwLayout->titleArea();
 
         if (event->button() == Qt::LeftButton && titleArea.contains(event->pos()) &&
             hasFeature(this, QDockWidget::DockWidgetFloatable)) {
             _q_toggleTopLevel();
             return true;
         }
     }
     return false;
 }

◆ mouseMoveEvent()

bool QDockWidgetPrivate::mouseMoveEvent ( QMouseEvent * event )

Definition at line 851 of file qdockwidget.cpp.

 {
     bool ret = false;
 #if !defined(QT_NO_MAINWINDOW)
     Q_Q(QDockWidget);
 
     if (!state)
         return ret;
 
     QDockWidgetLayout *dwlayout
         = qobject_cast<QDockWidgetLayout *>(layout);
     QMainWindowLayout *mwlayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
     if (!dwlayout->nativeWindowDeco()) {
         if (!state->dragging
             && mwlayout->pluggingWidget == 0
             && (event->pos() - state->pressPos).manhattanLength()
                 > QApplication::startDragDistance()) {
             startDrag();
 #ifdef Q_OS_WIN
             grabMouseWhileInWindow();
 #else
             q->grabMouse();
 #endif
             ret = true;
         }
     }
 
     if (state->dragging && !state->nca) {
         QPoint pos = event->globalPos() - state->pressPos;
         q->move(pos);
 
         if (!state->ctrlDrag)
             mwlayout->hover(state->widgetItem, event->globalPos());
 
         ret = true;
     }
 
 #endif // !defined(QT_NO_MAINWINDOW)
     return ret;
 }

◆ mousePressEvent()

bool QDockWidgetPrivate::mousePressEvent ( QMouseEvent * event )

Definition at line 802 of file qdockwidget.cpp.

 {
 #if !defined(QT_NO_MAINWINDOW)
     Q_Q(QDockWidget);
 
     QDockWidgetLayout *dwLayout
         = qobject_cast<QDockWidgetLayout*>(layout);
 
     if (!dwLayout->nativeWindowDeco()) {
         QRect titleArea = dwLayout->titleArea();
 
         if (event->button() != Qt::LeftButton ||
             !titleArea.contains(event->pos()) ||
             // check if the tool window is movable... do nothing if it
             // is not (but allow moving if the window is floating)
             (!hasFeature(this, QDockWidget::DockWidgetMovable) && !q->isFloating()) ||
             qobject_cast<QMainWindow*>(parent) == 0 ||
             isAnimating() || state != 0) {
             return false;
         }
 
         initDrag(event->pos(), false);
 
         if (state)
             state->ctrlDrag = hasFeature(this, QDockWidget::DockWidgetFloatable) && event->modifiers() & Qt::ControlModifier;
 
         return true;
     }
 
 #endif // !defined(QT_NO_MAINWINDOW)
     return false;
 }

◆ mouseReleaseEvent()

bool QDockWidgetPrivate::mouseReleaseEvent ( QMouseEvent * event )

Definition at line 892 of file qdockwidget.cpp.

 {
 #if !defined(QT_NO_MAINWINDOW)
 
     if (event->button() == Qt::LeftButton && state && !state->nca) {
         endDrag();
         return true; //filter out the event
     }
 
 #endif // !defined(QT_NO_MAINWINDOW)
     return false;
 }

◆ moveEvent()

void QDockWidgetPrivate::moveEvent ( QMoveEvent * event )

Definition at line 979 of file qdockwidget.cpp.

 {
     Q_Q(QDockWidget);
 
     if (state == 0 || !state->dragging || !state->nca || !q->isWindow())
         return;
 
     // When the native window frame is being dragged, all we get is these mouse
     // move events.
 
     if (state->ctrlDrag)
         return;
 
     QMainWindowLayout *layout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
     Q_ASSERT(layout != 0);
 
     QPoint globalMousePos = event->pos() + state->pressPos;
     layout->hover(state->widgetItem, globalMousePos);
 }

◆ nonClientAreaMouseEvent()

void QDockWidgetPrivate::nonClientAreaMouseEvent ( QMouseEvent * event )

Definition at line 905 of file qdockwidget.cpp.

 {
     Q_Q(QDockWidget);
 
     int fw = q->style()->pixelMetric(QStyle::PM_DockWidgetFrameWidth, 0, q);
 
     QRect geo = q->geometry();
     QRect titleRect = q->frameGeometry();
 #ifdef Q_WS_MAC
     if ((features & QDockWidget::DockWidgetVerticalTitleBar)) {
         titleRect.setTop(geo.top());
         titleRect.setBottom(geo.bottom());
         titleRect.setRight(geo.left() - 1);
     } else
 #endif
     {
         titleRect.setLeft(geo.left());
         titleRect.setRight(geo.right());
         titleRect.setBottom(geo.top() - 1);
         titleRect.adjust(0, fw, 0, 0);
     }
 
     switch (event->type()) {
         case QEvent::NonClientAreaMouseButtonPress:
             if (!titleRect.contains(event->globalPos()))
                 break;
             if (state != 0)
                 break;
             if (qobject_cast<QMainWindow*>(parent) == 0)
                 break;
             if (isAnimating())
                 break;
             initDrag(event->pos(), true);
             if (state == 0)
                 break;
 #ifdef Q_OS_WIN
             // On Windows, NCA mouse events don't contain modifier info
             state->ctrlDrag = GetKeyState(VK_CONTROL) & 0x8000;
 #else
             state->ctrlDrag = event->modifiers() & Qt::ControlModifier;
 #endif
             startDrag();
             break;
         case QEvent::NonClientAreaMouseMove:
             if (state == 0 || !state->dragging)
                 break;
             if (state->nca) {
                 endDrag();
             }
 #ifdef Q_OS_MAC
             else { // workaround for lack of mouse-grab on Mac
                 QMainWindowLayout *layout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
                 Q_ASSERT(layout != 0);
 
                 q->move(event->globalPos() - state->pressPos);
                 if (!state->ctrlDrag)
                     layout->hover(state->widgetItem, event->globalPos());
             }
 #endif
             break;
         case QEvent::NonClientAreaMouseButtonRelease:
 #ifdef Q_OS_MAC
                         if (state)
                                 endDrag();
 #endif
                         break;
         case QEvent::NonClientAreaMouseButtonDblClick:
             _q_toggleTopLevel();
             break;
         default:
             break;
     }
 }

◆ plug()

void QDockWidgetPrivate::plug ( const QRect & rect )

Definition at line 1016 of file qdockwidget.cpp.

 {
     setWindowState(false, false, rect);
 }

◆ setWindowState()

void QDockWidgetPrivate::setWindowState	(	bool	floating,
		bool	unplug = `false`,
		const QRect &	rect = `QRect()`
	)

Definition at line 1021 of file qdockwidget.cpp.

 {
     Q_Q(QDockWidget);
 
     if (!floating && parent) {
         QMainWindowLayout *mwlayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
         if (mwlayout && mwlayout->dockWidgetArea(q) == Qt::NoDockWidgetArea)
             return; // this dockwidget can't be redocked
     }
 
     bool wasFloating = q->isFloating();
     bool hidden = q->isHidden();
 
     if (q->isVisible())
         q->hide();
 
     Qt::WindowFlags flags = floating ? Qt::Tool : Qt::Widget;
 
     QDockWidgetLayout *dwLayout = qobject_cast<QDockWidgetLayout*>(layout);
     const bool nativeDeco = dwLayout->nativeWindowDeco(floating);
 
     if (nativeDeco) {
         flags |= Qt::CustomizeWindowHint | Qt::WindowTitleHint;
         if (hasFeature(this, QDockWidget::DockWidgetClosable))
             flags |= Qt::WindowCloseButtonHint;
     } else {
         flags |= Qt::FramelessWindowHint;
     }
 
     if (unplug)
         flags |= Qt::X11BypassWindowManagerHint;
 
     q->setWindowFlags(flags);
 
 #if defined(Q_WS_MAC) && !defined(QT_MAC_USE_COCOA)
     if (floating && nativeDeco && (q->features() & QDockWidget::DockWidgetVerticalTitleBar)) {
         ChangeWindowAttributes(HIViewGetWindow(HIViewRef(q->winId())), kWindowSideTitlebarAttribute, 0);
     }
 #endif
 
     if (!rect.isNull())
         q->setGeometry(rect);
 
     updateButtons();
 
     if (!hidden)
         q->show();
 
     if (floating != wasFloating) {
         emit q->topLevelChanged(floating);
         if (!floating && parent) {
             QMainWindowLayout *mwlayout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
             if (mwlayout)
                 emit q->dockLocationChanged(mwlayout->dockWidgetArea(q));
         }
     }
 
     resizer->setActive(QWidgetResizeHandler::Resize, !unplug && floating && !nativeDeco);
 }

◆ startDrag()

void QDockWidgetPrivate::startDrag ( )

Definition at line 721 of file qdockwidget.cpp.

 {
     Q_Q(QDockWidget);
 
     if (state == 0 || state->dragging)
         return;
 
     QMainWindowLayout *layout = qt_mainwindow_layout(qobject_cast<QMainWindow *>(q->parentWidget()));
     Q_ASSERT(layout != 0);
 
     state->widgetItem = layout->unplug(q);
     if (state->widgetItem == 0) {
         /* I have a QMainWindow parent, but I was never inserted with
             QMainWindow::addDockWidget, so the QMainWindowLayout has no
             widget item for me. :( I have to create it myself, and then
             delete it if I don't get dropped into a dock area. */
         state->widgetItem = new QDockWidgetItem(q);
         state->ownWidgetItem = true;
     }
 
     if (state->ctrlDrag)
         layout->restore();
 
     state->dragging = true;
 }

◆ unplug()

void QDockWidgetPrivate::unplug ( const QRect & rect )

Definition at line 999 of file qdockwidget.cpp.

 {
     Q_Q(QDockWidget);
     QRect r;
     if (!undockedGeometry.isNull()) {
         r = undockedGeometry;
     } else {
         r = rect;
         r.moveTopLeft(q->mapToGlobal(QPoint(0, 0)));
         QDockWidgetLayout *dwLayout = qobject_cast<QDockWidgetLayout*>(layout);
         if (dwLayout->nativeWindowDeco(true))
             r.adjust(0, dwLayout->titleHeight(), 0, 0);
     }
 
     setWindowState(true, true, r);
 }

◆ updateButtons()

void QDockWidgetPrivate::updateButtons ( )

Definition at line 651 of file qdockwidget.cpp.

Referenced by QDockWidgetPrivate().

 {
     Q_Q(QDockWidget);
     QDockWidgetLayout *dwLayout = qobject_cast<QDockWidgetLayout*>(layout);
 
     QStyleOptionDockWidget opt;
     q->initStyleOption(&opt);
 
     bool customTitleBar = dwLayout->widgetForRole(QDockWidgetLayout::TitleBar) != 0;
     bool nativeDeco = dwLayout->nativeWindowDeco();
     bool hideButtons = nativeDeco || customTitleBar;
 
     bool canClose = hasFeature(this, QDockWidget::DockWidgetClosable);
     bool canFloat = hasFeature(this, QDockWidget::DockWidgetFloatable);
 
     QAbstractButton *button
         = qobject_cast<QAbstractButton*>(dwLayout->widgetForRole(QDockWidgetLayout::FloatButton));
     button->setIcon(q->style()->standardIcon(QStyle::SP_TitleBarNormalButton, &opt, q));
     button->setVisible(canFloat && !hideButtons);
 
     button
         = qobject_cast <QAbstractButton*>(dwLayout->widgetForRole(QDockWidgetLayout::CloseButton));
     button->setIcon(q->style()->standardIcon(QStyle::SP_TitleBarCloseButton, &opt, q));
     button->setVisible(canClose && !hideButtons);
 
     q->setAttribute(Qt::WA_ContentsPropagated,
                     (canFloat || canClose) && !hideButtons);
 
     layout->invalidate();
 }

Properties

◆ allowedAreas

Qt::DockWidgetAreas QDockWidgetPrivate::allowedAreas

Definition at line 102 of file qdockwidget_p.h.

◆ features

QDockWidget::DockWidgetFeatures QDockWidgetPrivate::features

Definition at line 101 of file qdockwidget_p.h.

Referenced by hasFeature().

◆ fixedWindowTitle

QString QDockWidgetPrivate::fixedWindowTitle

Definition at line 112 of file qdockwidget_p.h.

◆ resizer

QWidgetResizeHandler* QDockWidgetPrivate::resizer

Definition at line 104 of file qdockwidget_p.h.

◆ state

DragState* QDockWidgetPrivate::state

Definition at line 99 of file qdockwidget_p.h.

◆ toggleViewAction

QAction* QDockWidgetPrivate::toggleViewAction

Definition at line 107 of file qdockwidget_p.h.

◆ undockedGeometry

QRect QDockWidgetPrivate::undockedGeometry

Definition at line 111 of file qdockwidget_p.h.

The documentation for this class was generated from the following files:

/src/gui/widgets/qdockwidget_p.h
/src/gui/widgets/qdockwidget.cpp

Classes

Public Functions

Public Variables

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QDockWidgetPrivate()

Functions

◆ _q_toggleTopLevel()

◆ _q_toggleView()

◆ endDrag()

◆ init()

◆ initDrag()

◆ isAnimating()

◆ mouseDoubleClickEvent()

◆ mouseMoveEvent()

◆ mousePressEvent()

◆ mouseReleaseEvent()

◆ moveEvent()

◆ nonClientAreaMouseEvent()

◆ plug()

◆ setWindowState()

◆ startDrag()

◆ unplug()

◆ updateButtons()

Properties

◆ allowedAreas

◆ features

◆ fixedWindowTitle

◆ resizer

◆ state

◆ toggleViewAction

◆ undockedGeometry