--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/widgets/qmdisubwindow.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,3547 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+ \class QMdiSubWindow
+ \brief The QMdiSubWindow class provides a subwindow class for
+ QMdiArea.
+ \since 4.3
+ \ingroup mainwindow-classes
+
+
+ QMdiSubWindow represents a top-level window in a QMdiArea, and consists
+ of a title bar with window decorations, an internal widget, and
+ (depending on the current style) a window frame and a size
+ grip. QMdiSubWindow has its own layout, which consists of the
+ title bar and a center area for the internal widget.
+
+ \image qmdisubwindowlayout.png
+
+ The most common way to construct a QMdiSubWindow is to call
+ QMdiArea::addSubWindow() with the internal widget as the argument.
+ You can also create a subwindow yourself, and set an internal
+ widget by calling setWidget().
+
+ You use the same API when programming with subwindows as with
+ regular top-level windows (e.g., you can call functions such as
+ show(), hide(), showMaximized(), and setWindowTitle()).
+
+ \section1 Subwindow Handling
+
+ QMdiSubWindow also supports behavior specific to subwindows in
+ an MDI area.
+
+ By default, each QMdiSubWindow is visible inside the MDI area
+ viewport when moved around, but it is also possible to specify
+ transparent window movement and resizing behavior, where only
+ the outline of a subwindow is updated during these operations.
+ The setOption() function is used to enable this behavior.
+
+ The isShaded() function detects whether the subwindow is
+ currently shaded (i.e., the window is collapsed so that only the
+ title bar is visible). To enter shaded mode, call showShaded().
+ QMdiSubWindow emits the windowStateChanged() signal whenever the
+ window state has changed (e.g., when the window becomes minimized,
+ or is restored). It also emits aboutToActivate() before it is
+ activated.
+
+ In keyboard-interactive mode, the windows are moved and resized
+ with the keyboard. You can enter this mode through the system menu
+ of the window. The keyboardSingleStep and keyboardPageStep
+ properties control the distance the widget is moved or resized for
+ each keypress event. When shift is pressed down page step is used;
+ otherwise single step is used.
+
+ You can also change the active window with the keyboard. By
+ pressing the control and tab keys at the same time, the next
+ (using the current \l{QMdiArea::}{WindowOrder}) subwindow will be
+ activated. By pressing control, shift, and tab, you will activate
+ the previous window. This is equivalent to calling
+ \l{QMdiArea::}{activateNextSubWindow()} and
+ \l{QMdiArea::}{activatePreviousSubWindow()}. Note that these
+ shortcuts overrides global shortcuts, but not the \l{QMdiArea}s
+ shortcuts.
+
+ \sa QMdiArea
+*/
+
+/*!
+ \enum QMdiSubWindow::SubWindowOption
+
+ This enum describes options that customize the behavior
+ of QMdiSubWindow.
+
+ \omitvalue AllowOutsideAreaHorizontally
+ \omitvalue AllowOutsideAreaVertically
+
+ \value RubberBandResize If you enable this option, a rubber band
+ control is used to represent the subwindow's outline, and the user
+ resizes this instead of the subwindow itself.
+ As a result, the subwindow maintains its original position and size
+ until the resize operation has been completed, at which time it will
+ receive a single QResizeEvent.
+ By default, this option is disabled.
+
+ \value RubberBandMove If you enable this option, a rubber band
+ control is used to represent the subwindow's outline, and the user
+ moves this instead of the subwindow itself.
+ As a result, the subwindow remains in its original position until
+ the move operation has completed, at which time a QMoveEvent is
+ sent to the window. By default, this option is disabled.
+*/
+
+/*!
+ \fn QMdiSubWindow::windowStateChanged(Qt::WindowStates oldState, Qt::WindowStates newState)
+
+ QMdiSubWindow emits this signal after the window state changes. \a
+ oldState is the window state before it changed, and \a newState is the
+ new, current state.
+*/
+
+/*!
+ \fn QMdiSubWindow::aboutToActivate()
+
+ QMdiSubWindow emits this signal immediately before it is
+ activated. After the subwindow has been activated, the QMdiArea that
+ manages the subwindow will also emit the
+ \l{QMdiArea::}{subWindowActivated()} signal.
+
+ \sa QMdiArea::subWindowActivated()
+*/
+
+#include "qmdisubwindow_p.h"
+
+#ifndef QT_NO_MDIAREA
+
+#include <QApplication>
+#include <QStylePainter>
+#include <QVBoxLayout>
+#include <QMouseEvent>
+#include <QWhatsThis>
+#include <QToolTip>
+#include <QMainWindow>
+#include <QScrollBar>
+#include <QDebug>
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+#include <QMacStyle>
+#endif
+#include <QMdiArea>
+
+QT_BEGIN_NAMESPACE
+
+using namespace QMdi;
+
+static const QStyle::SubControl SubControls[] =
+{
+ QStyle::SC_TitleBarLabel, // 1
+ QStyle::SC_TitleBarSysMenu, // 2
+ QStyle::SC_TitleBarMinButton, // 3
+ QStyle::SC_TitleBarMaxButton, // 4
+ QStyle::SC_TitleBarShadeButton, // 5
+ QStyle::SC_TitleBarCloseButton, // 6
+ QStyle::SC_TitleBarNormalButton, // 7
+ QStyle::SC_TitleBarUnshadeButton, // 8
+ QStyle::SC_TitleBarContextHelpButton // 9
+};
+static const int NumSubControls = sizeof(SubControls) / sizeof(SubControls[0]);
+
+static const QStyle::StandardPixmap ButtonPixmaps[] =
+{
+ QStyle::SP_TitleBarMinButton,
+ QStyle::SP_TitleBarNormalButton,
+ QStyle::SP_TitleBarCloseButton
+};
+static const int NumButtonPixmaps = sizeof(ButtonPixmaps) / sizeof(ButtonPixmaps[0]);
+
+static const Qt::WindowFlags CustomizeWindowFlags =
+ Qt::FramelessWindowHint
+ | Qt::CustomizeWindowHint
+ | Qt::WindowTitleHint
+ | Qt::WindowSystemMenuHint
+ | Qt::WindowMinimizeButtonHint
+ | Qt::WindowMaximizeButtonHint
+ | Qt::WindowMinMaxButtonsHint;
+
+
+static const int BoundaryMargin = 5;
+
+static inline int getMoveDeltaComponent(uint cflags, uint moveFlag, uint resizeFlag,
+ int delta, int maxDelta, int minDelta)
+{
+ if (cflags & moveFlag) {
+ if (delta > 0)
+ return (cflags & resizeFlag) ? qMin(delta, maxDelta) : delta;
+ return (cflags & resizeFlag) ? qMax(delta, minDelta) : delta;
+ }
+ return 0;
+}
+
+static inline int getResizeDeltaComponent(uint cflags, uint resizeFlag,
+ uint resizeReverseFlag, int delta)
+{
+ if (cflags & resizeFlag) {
+ if (cflags & resizeReverseFlag)
+ return -delta;
+ return delta;
+ }
+ return 0;
+}
+
+static inline bool isChildOfQMdiSubWindow(const QWidget *child)
+{
+ Q_ASSERT(child);
+ QWidget *parent = child->parentWidget();
+ while (parent) {
+ if (qobject_cast<QMdiSubWindow *>(parent))
+ return true;
+ parent = parent->parentWidget();
+ }
+ return false;
+}
+
+static inline bool isChildOfTabbedQMdiArea(const QMdiSubWindow *child)
+{
+ Q_ASSERT(child);
+ if (QMdiArea *mdiArea = child->mdiArea()) {
+ if (mdiArea->viewMode() == QMdiArea::TabbedView)
+ return true;
+ }
+ return false;
+}
+
+template<typename T>
+static inline ControlElement<T> *ptr(QWidget *widget)
+{
+ if (widget && widget->qt_metacast("ControlElement")
+ && strcmp(widget->metaObject()->className(), T::staticMetaObject.className()) == 0) {
+ return static_cast<ControlElement<T> *>(widget);
+ }
+ return 0;
+}
+
+QString QMdiSubWindowPrivate::originalWindowTitle()
+{
+ Q_Q(QMdiSubWindow);
+ if (originalTitle.isNull()) {
+ originalTitle = q->window()->windowTitle();
+ if (originalTitle.isNull())
+ originalTitle = QLatin1String("");
+ }
+ return originalTitle;
+}
+
+void QMdiSubWindowPrivate::setNewWindowTitle()
+{
+ Q_Q(QMdiSubWindow);
+ QString childTitle = q->windowTitle();
+ if (childTitle.isEmpty())
+ return;
+ QString original = originalWindowTitle();
+ if (!original.isEmpty()) {
+ if (!original.contains(QMdiSubWindow::tr("- [%1]").arg(childTitle)))
+ q->window()->setWindowTitle(QMdiSubWindow::tr("%1 - [%2]").arg(original, childTitle));
+
+ } else {
+ q->window()->setWindowTitle(childTitle);
+ }
+}
+
+static inline bool isHoverControl(QStyle::SubControl control)
+{
+ return control != QStyle::SC_None && control != QStyle::SC_TitleBarLabel;
+}
+
+#if defined(Q_WS_WIN)
+static inline QRgb colorref2qrgb(COLORREF col)
+{
+ return qRgb(GetRValue(col),GetGValue(col),GetBValue(col));
+}
+#endif
+
+#ifndef QT_NO_TOOLTIP
+static void showToolTip(QHelpEvent *helpEvent, QWidget *widget, const QStyleOptionComplex &opt,
+ QStyle::ComplexControl complexControl, QStyle::SubControl subControl)
+{
+ Q_ASSERT(helpEvent);
+ Q_ASSERT(helpEvent->type() == QEvent::ToolTip);
+ Q_ASSERT(widget);
+
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+ // Native Mac windows don't show tool tip.
+ if (qobject_cast<QMacStyle *>(widget->style()))
+ return;
+#endif
+
+ // Convert CC_MdiControls to CC_TitleBar. Sub controls of different complex
+ // controls cannot be in the same switch as they might have the same value.
+ if (complexControl == QStyle::CC_MdiControls) {
+ if (subControl == QStyle::SC_MdiMinButton)
+ subControl = QStyle::SC_TitleBarMinButton;
+ else if (subControl == QStyle::SC_MdiCloseButton)
+ subControl = QStyle::SC_TitleBarCloseButton;
+ else if (subControl == QStyle::SC_MdiNormalButton)
+ subControl = QStyle::SC_TitleBarNormalButton;
+ else
+ subControl = QStyle::SC_None;
+ }
+
+ // Don't change the tooltip for the base widget itself.
+ if (subControl == QStyle::SC_None)
+ return;
+
+ QString toolTip;
+
+ switch (subControl) {
+ case QStyle::SC_TitleBarMinButton:
+ toolTip = QMdiSubWindow::tr("Minimize");
+ break;
+ case QStyle::SC_TitleBarMaxButton:
+ toolTip = QMdiSubWindow::tr("Maximize");
+ break;
+ case QStyle::SC_TitleBarUnshadeButton:
+ toolTip = QMdiSubWindow::tr("Unshade");
+ break;
+ case QStyle::SC_TitleBarShadeButton:
+ toolTip = QMdiSubWindow::tr("Shade");
+ break;
+ case QStyle::SC_TitleBarNormalButton:
+ if (widget->isMaximized() || !qobject_cast<QMdiSubWindow *>(widget))
+ toolTip = QMdiSubWindow::tr("Restore Down");
+ else
+ toolTip = QMdiSubWindow::tr("Restore");
+ break;
+ case QStyle::SC_TitleBarCloseButton:
+ toolTip = QMdiSubWindow::tr("Close");
+ break;
+ case QStyle::SC_TitleBarContextHelpButton:
+ toolTip = QMdiSubWindow::tr("Help");
+ break;
+ case QStyle::SC_TitleBarSysMenu:
+ toolTip = QMdiSubWindow::tr("Menu");
+ break;
+ default:
+ break;
+ }
+
+ const QRect rect = widget->style()->subControlRect(complexControl, &opt, subControl, widget);
+ QToolTip::showText(helpEvent->globalPos(), toolTip, widget, rect);
+}
+#endif // QT_NO_TOOLTIP
+
+namespace QMdi {
+/*
+ \class ControlLabel
+ \internal
+*/
+class ControlLabel : public QWidget
+{
+ Q_OBJECT
+public:
+ ControlLabel(QMdiSubWindow *subWindow, QWidget *parent = 0);
+
+ QSize sizeHint() const;
+
+signals:
+ void _q_clicked();
+ void _q_doubleClicked();
+
+protected:
+ bool event(QEvent *event);
+ void paintEvent(QPaintEvent *paintEvent);
+ void mousePressEvent(QMouseEvent *mouseEvent);
+ void mouseDoubleClickEvent(QMouseEvent *mouseEvent);
+ void mouseReleaseEvent(QMouseEvent *mouseEvent);
+
+private:
+ QPixmap label;
+ bool isPressed;
+ void updateWindowIcon();
+};
+} // namespace QMdi
+
+ControlLabel::ControlLabel(QMdiSubWindow *subWindow, QWidget *parent)
+ : QWidget(parent), isPressed(false)
+{
+ Q_UNUSED(subWindow);
+ setFocusPolicy(Qt::NoFocus);
+ updateWindowIcon();
+ setFixedSize(label.size());
+}
+
+/*
+ \internal
+*/
+QSize ControlLabel::sizeHint() const
+{
+ return label.size();
+}
+
+/*
+ \internal
+*/
+bool ControlLabel::event(QEvent *event)
+{
+ if (event->type() == QEvent::WindowIconChange)
+ updateWindowIcon();
+#ifndef QT_NO_TOOLTIP
+ else if (event->type() == QEvent::ToolTip) {
+ QStyleOptionTitleBar options;
+ options.initFrom(this);
+ showToolTip(static_cast<QHelpEvent *>(event), this, options,
+ QStyle::CC_TitleBar, QStyle::SC_TitleBarSysMenu);
+ }
+#endif
+ return QWidget::event(event);
+}
+
+/*
+ \internal
+*/
+void ControlLabel::paintEvent(QPaintEvent * /*paintEvent*/)
+{
+ QPainter painter(this);
+ painter.drawPixmap(0, 0, label);
+}
+
+/*
+ \internal
+*/
+void ControlLabel::mousePressEvent(QMouseEvent *mouseEvent)
+{
+ if (mouseEvent->button() != Qt::LeftButton) {
+ mouseEvent->ignore();
+ return;
+ }
+ isPressed = true;
+}
+
+/*
+ \internal
+*/
+void ControlLabel::mouseDoubleClickEvent(QMouseEvent *mouseEvent)
+{
+ if (mouseEvent->button() != Qt::LeftButton) {
+ mouseEvent->ignore();
+ return;
+ }
+ isPressed = false;
+ emit _q_doubleClicked();
+}
+
+/*
+ \internal
+*/
+void ControlLabel::mouseReleaseEvent(QMouseEvent *mouseEvent)
+{
+ if (mouseEvent->button() != Qt::LeftButton) {
+ mouseEvent->ignore();
+ return;
+ }
+ if (isPressed) {
+ isPressed = false;
+ emit _q_clicked();
+ }
+}
+
+/*
+ \internal
+*/
+void ControlLabel::updateWindowIcon()
+{
+ QIcon menuIcon = windowIcon();
+ if (menuIcon.isNull())
+ menuIcon = style()->standardIcon(QStyle::SP_TitleBarMenuButton, 0, parentWidget());
+ label = menuIcon.pixmap(16, 16);
+ update();
+}
+
+namespace QMdi {
+/*
+ \class ControllerWidget
+ \internal
+*/
+class ControllerWidget : public QWidget
+{
+ Q_OBJECT
+public:
+ ControllerWidget(QMdiSubWindow *subWindow, QWidget *parent = 0);
+ QSize sizeHint() const;
+ void setControlVisible(QMdiSubWindowPrivate::WindowStateAction action, bool visible);
+ inline bool hasVisibleControls() const
+ {
+ return (visibleControls & QStyle::SC_MdiMinButton)
+ || (visibleControls & QStyle::SC_MdiNormalButton)
+ || (visibleControls & QStyle::SC_MdiCloseButton);
+ }
+
+signals:
+ void _q_minimize();
+ void _q_restore();
+ void _q_close();
+
+protected:
+ void paintEvent(QPaintEvent *event);
+ void mousePressEvent(QMouseEvent *event);
+ void mouseReleaseEvent(QMouseEvent *event);
+ void mouseMoveEvent(QMouseEvent *event);
+ void leaveEvent(QEvent *event);
+ bool event(QEvent *event);
+
+private:
+ QStyle::SubControl activeControl;
+ QStyle::SubControl hoverControl;
+ QStyle::SubControls visibleControls;
+ void initStyleOption(QStyleOptionComplex *option) const;
+ QMdiArea *mdiArea;
+ inline QStyle::SubControl getSubControl(const QPoint &pos) const
+ {
+ QStyleOptionComplex opt;
+ initStyleOption(&opt);
+ return style()->hitTestComplexControl(QStyle::CC_MdiControls, &opt, pos, mdiArea);
+ }
+};
+} // namespace QMdi
+
+/*
+ \internal
+*/
+ControllerWidget::ControllerWidget(QMdiSubWindow *subWindow, QWidget *parent)
+ : QWidget(parent),
+ activeControl(QStyle::SC_None),
+ hoverControl(QStyle::SC_None),
+ visibleControls(QStyle::SC_None),
+ mdiArea(0)
+{
+ if (subWindow->parentWidget())
+ mdiArea = qobject_cast<QMdiArea *>(subWindow->parentWidget()->parentWidget());
+ setFocusPolicy(Qt::NoFocus);
+ setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
+ setMouseTracking(true);
+}
+
+/*
+ \internal
+*/
+QSize ControllerWidget::sizeHint() const
+{
+ ensurePolished();
+ QStyleOptionComplex opt;
+ initStyleOption(&opt);
+ QSize size(48, 16);
+ return style()->sizeFromContents(QStyle::CT_MdiControls, &opt, size, mdiArea);
+}
+
+void ControllerWidget::setControlVisible(QMdiSubWindowPrivate::WindowStateAction action, bool visible)
+{
+ QStyle::SubControl subControl = QStyle::SC_None;
+
+ // Map action from QMdiSubWindowPrivate::WindowStateAction to QStyle::SubControl.
+ if (action == QMdiSubWindowPrivate::MaximizeAction)
+ subControl = QStyle::SC_MdiNormalButton;
+ else if (action == QMdiSubWindowPrivate::CloseAction)
+ subControl = QStyle::SC_MdiCloseButton;
+ else if (action == QMdiSubWindowPrivate::MinimizeAction)
+ subControl = QStyle::SC_MdiMinButton;
+
+ if (subControl == QStyle::SC_None)
+ return;
+
+ if (visible && !(visibleControls & subControl))
+ visibleControls |= subControl;
+ else if (!visible && (visibleControls & subControl))
+ visibleControls &= ~subControl;
+}
+
+/*
+ \internal
+*/
+void ControllerWidget::paintEvent(QPaintEvent * /*paintEvent*/)
+{
+ QStyleOptionComplex opt;
+ initStyleOption(&opt);
+ if (activeControl == hoverControl) {
+ opt.activeSubControls = activeControl;
+ opt.state |= QStyle::State_Sunken;
+ } else if (hoverControl != QStyle::SC_None && (activeControl == QStyle::SC_None)) {
+ opt.activeSubControls = hoverControl;
+ opt.state |= QStyle::State_MouseOver;
+ }
+ QPainter painter(this);
+ style()->drawComplexControl(QStyle::CC_MdiControls, &opt, &painter, mdiArea);
+}
+
+/*
+ \internal
+*/
+void ControllerWidget::mousePressEvent(QMouseEvent *event)
+{
+ if (event->button() != Qt::LeftButton) {
+ event->ignore();
+ return;
+ }
+ activeControl = getSubControl(event->pos());
+ update();
+}
+
+/*
+ \internal
+*/
+void ControllerWidget::mouseReleaseEvent(QMouseEvent *event)
+{
+ if (event->button() != Qt::LeftButton) {
+ event->ignore();
+ return;
+ }
+
+ QStyle::SubControl under_mouse = getSubControl(event->pos());
+ if (under_mouse == activeControl) {
+ switch (activeControl) {
+ case QStyle::SC_MdiCloseButton:
+ emit _q_close();
+ break;
+ case QStyle::SC_MdiNormalButton:
+ emit _q_restore();
+ break;
+ case QStyle::SC_MdiMinButton:
+ emit _q_minimize();
+ break;
+ default:
+ break;
+ }
+ }
+
+ activeControl = QStyle::SC_None;
+ update();
+}
+
+/*
+ \internal
+*/
+void ControllerWidget::mouseMoveEvent(QMouseEvent *event)
+{
+ QStyle::SubControl under_mouse = getSubControl(event->pos());
+ //test if hover state changes
+ if (hoverControl != under_mouse) {
+ hoverControl = under_mouse;
+ update();
+ }
+}
+
+/*
+ \internal
+*/
+void ControllerWidget::leaveEvent(QEvent * /*event*/)
+{
+ hoverControl = QStyle::SC_None;
+ update();
+}
+
+/*
+ \internal
+*/
+bool ControllerWidget::event(QEvent *event)
+{
+#ifndef QT_NO_TOOLTIP
+ if (event->type() == QEvent::ToolTip) {
+ QStyleOptionComplex opt;
+ initStyleOption(&opt);
+ QHelpEvent *helpEvent = static_cast<QHelpEvent *>(event);
+ showToolTip(helpEvent, this, opt, QStyle::CC_MdiControls, getSubControl(helpEvent->pos()));
+ }
+#endif // QT_NO_TOOLTIP
+ return QWidget::event(event);
+}
+
+/*
+ \internal
+*/
+void ControllerWidget::initStyleOption(QStyleOptionComplex *option) const
+{
+ option->initFrom(this);
+ option->subControls = visibleControls;
+ option->activeSubControls = QStyle::SC_None;
+}
+
+/*
+ \internal
+*/
+ControlContainer::ControlContainer(QMdiSubWindow *mdiChild)
+ : QObject(mdiChild),
+ previousLeft(0),
+ previousRight(0),
+#ifndef QT_NO_MENUBAR
+ m_menuBar(0),
+#endif
+ mdiChild(mdiChild)
+{
+ Q_ASSERT(mdiChild);
+
+ m_controllerWidget = new ControlElement<ControllerWidget>(mdiChild);
+ connect(m_controllerWidget, SIGNAL(_q_close()), mdiChild, SLOT(close()));
+ connect(m_controllerWidget, SIGNAL(_q_restore()), mdiChild, SLOT(showNormal()));
+ connect(m_controllerWidget, SIGNAL(_q_minimize()), mdiChild, SLOT(showMinimized()));
+
+ m_menuLabel = new ControlElement<ControlLabel>(mdiChild);
+ m_menuLabel->setWindowIcon(mdiChild->windowIcon());
+#ifndef QT_NO_MENU
+ connect(m_menuLabel, SIGNAL(_q_clicked()), mdiChild, SLOT(showSystemMenu()));
+#endif
+ connect(m_menuLabel, SIGNAL(_q_doubleClicked()), mdiChild, SLOT(close()));
+}
+
+ControlContainer::~ControlContainer()
+{
+#ifndef QT_NO_MENUBAR
+ removeButtonsFromMenuBar();
+#endif
+ delete m_menuLabel;
+ m_menuLabel = 0;
+ delete m_controllerWidget;
+ m_controllerWidget = 0;
+}
+
+#ifndef QT_NO_MENUBAR
+/*
+ \internal
+*/
+QMenuBar *QMdiSubWindowPrivate::menuBar() const
+{
+#if defined(QT_NO_MAINWINDOW)
+ return 0;
+#else
+ Q_Q(const QMdiSubWindow);
+ if (!q->isMaximized() || drawTitleBarWhenMaximized() || isChildOfTabbedQMdiArea(q))
+ return 0;
+
+ if (QMainWindow *mainWindow = qobject_cast<QMainWindow *>(q->window()))
+ return mainWindow->menuBar();
+
+ return 0;
+#endif
+}
+
+/*
+ \internal
+*/
+void ControlContainer::showButtonsInMenuBar(QMenuBar *menuBar)
+{
+ if (!menuBar || !mdiChild || mdiChild->windowFlags() & Qt::FramelessWindowHint)
+ return;
+ m_menuBar = menuBar;
+
+ if (m_menuLabel && mdiChild->windowFlags() & Qt::WindowSystemMenuHint) {
+ QWidget *currentLeft = menuBar->cornerWidget(Qt::TopLeftCorner);
+ if (currentLeft)
+ currentLeft->hide();
+ if (currentLeft != m_menuLabel) {
+ menuBar->setCornerWidget(m_menuLabel, Qt::TopLeftCorner);
+ previousLeft = currentLeft;
+ }
+ m_menuLabel->show();
+ }
+ ControllerWidget *controllerWidget = qobject_cast<ControllerWidget *>(m_controllerWidget);
+ if (controllerWidget && controllerWidget->hasVisibleControls()) {
+ QWidget *currentRight = menuBar->cornerWidget(Qt::TopRightCorner);
+ if (currentRight)
+ currentRight->hide();
+ if (currentRight != m_controllerWidget) {
+ menuBar->setCornerWidget(m_controllerWidget, Qt::TopRightCorner);
+ previousRight = currentRight;
+ }
+ m_controllerWidget->show();
+ }
+ mdiChild->d_func()->setNewWindowTitle();
+}
+
+/*
+ \internal
+*/
+void ControlContainer::removeButtonsFromMenuBar(QMenuBar *menuBar)
+{
+ if (menuBar && menuBar != m_menuBar) {
+ // m_menubar was deleted while sub-window was maximized
+ previousRight = 0;
+ previousLeft = 0;
+ m_menuBar = menuBar;
+ }
+
+ if (!m_menuBar || !mdiChild || qt_widget_private(mdiChild->window())->data.in_destructor)
+ return;
+
+ QMdiSubWindow *child = 0;
+ if (m_controllerWidget) {
+ QWidget *currentRight = m_menuBar->cornerWidget(Qt::TopRightCorner);
+ if (currentRight == m_controllerWidget) {
+ if (ControlElement<ControllerWidget> *ce = ptr<ControllerWidget>(previousRight)) {
+ if (!ce->mdiChild || !ce->mdiChild->isMaximized())
+ previousRight = 0;
+ else
+ child = ce->mdiChild;
+ }
+ m_menuBar->setCornerWidget(previousRight, Qt::TopRightCorner);
+ if (previousRight) {
+ previousRight->show();
+ previousRight = 0;
+ }
+ }
+ m_controllerWidget->hide();
+ m_controllerWidget->setParent(0);
+ }
+ if (m_menuLabel) {
+ QWidget *currentLeft = m_menuBar->cornerWidget(Qt::TopLeftCorner);
+ if (currentLeft == m_menuLabel) {
+ if (ControlElement<ControlLabel> *ce = ptr<ControlLabel>(previousLeft)) {
+ if (!ce->mdiChild || !ce->mdiChild->isMaximized())
+ previousLeft = 0;
+ else if (!child)
+ child = mdiChild;
+ }
+ m_menuBar->setCornerWidget(previousLeft, Qt::TopLeftCorner);
+ if (previousLeft) {
+ previousLeft->show();
+ previousLeft = 0;
+ }
+ }
+ m_menuLabel->hide();
+ m_menuLabel->setParent(0);
+ }
+ m_menuBar->update();
+ if (child)
+ child->d_func()->setNewWindowTitle();
+ else if (mdiChild)
+ mdiChild->window()->setWindowTitle(mdiChild->d_func()->originalWindowTitle());
+}
+
+#endif // QT_NO_MENUBAR
+
+void ControlContainer::updateWindowIcon(const QIcon &windowIcon)
+{
+ if (m_menuLabel)
+ m_menuLabel->setWindowIcon(windowIcon);
+}
+
+/*!
+ \internal
+*/
+QMdiSubWindowPrivate::QMdiSubWindowPrivate()
+ : baseWidget(0),
+ restoreFocusWidget(0),
+ controlContainer(0),
+#ifndef QT_NO_SIZEGRIP
+ sizeGrip(0),
+#endif
+#ifndef QT_NO_RUBBERBAND
+ rubberBand(0),
+#endif
+ userMinimumSize(0,0),
+ resizeEnabled(true),
+ moveEnabled(true),
+ isInInteractiveMode(false),
+#ifndef QT_NO_RUBBERBAND
+ isInRubberBandMode(false),
+#endif
+ isShadeMode(false),
+ ignoreWindowTitleChange(false),
+ ignoreNextActivationEvent(false),
+ activationEnabled(true),
+ isShadeRequestFromMinimizeMode(false),
+ isMaximizeMode(false),
+ isWidgetHiddenByUs(false),
+ isActive(false),
+ isExplicitlyDeactivated(false),
+ keyboardSingleStep(5),
+ keyboardPageStep(20),
+ resizeTimerId(-1),
+ currentOperation(None),
+ hoveredSubControl(QStyle::SC_None),
+ activeSubControl(QStyle::SC_None),
+ focusInReason(Qt::ActiveWindowFocusReason)
+{
+ initOperationMap();
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::_q_updateStaysOnTopHint()
+{
+#ifndef QT_NO_ACTION
+ Q_Q(QMdiSubWindow);
+ if (QAction *senderAction = qobject_cast<QAction *>(q->sender())) {
+ if (senderAction->isChecked()) {
+ q->setWindowFlags(q->windowFlags() | Qt::WindowStaysOnTopHint);
+ q->raise();
+ } else {
+ q->setWindowFlags(q->windowFlags() & ~Qt::WindowStaysOnTopHint);
+ q->lower();
+ }
+ }
+#endif // QT_NO_ACTION
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::_q_enterInteractiveMode()
+{
+#ifndef QT_NO_ACTION
+ Q_Q(QMdiSubWindow);
+ QAction *action = qobject_cast<QAction *>(q->sender());
+ if (!action)
+ return;
+
+ QPoint pressPos;
+ if (actions[MoveAction] && actions[MoveAction] == action) {
+ currentOperation = Move;
+ pressPos = QPoint(q->width() / 2, titleBarHeight() - 1);
+ } else if (actions[ResizeAction] && actions[ResizeAction] == action) {
+ currentOperation = q->isLeftToRight() ? BottomRightResize : BottomLeftResize;
+ int offset = q->style()->pixelMetric(QStyle::PM_MdiSubWindowFrameWidth, 0, q) / 2;
+ int x = q->isLeftToRight() ? q->width() - offset : offset;
+ pressPos = QPoint(x, q->height() - offset);
+ } else {
+ return;
+ }
+
+ updateCursor();
+#ifndef QT_NO_CURSOR
+ q->cursor().setPos(q->mapToGlobal(pressPos));
+#endif
+ mousePressPosition = q->mapToParent(pressPos);
+ oldGeometry = q->geometry();
+ isInInteractiveMode = true;
+ q->setFocus();
+#ifndef QT_NO_RUBBERBAND
+ if ((q->testOption(QMdiSubWindow::RubberBandResize)
+ && (currentOperation == BottomRightResize || currentOperation == BottomLeftResize))
+ || (q->testOption(QMdiSubWindow::RubberBandMove) && currentOperation == Move)) {
+ enterRubberBandMode();
+ } else
+#endif // QT_NO_RUBBERBAND
+ {
+ q->grabMouse();
+ }
+#endif // QT_NO_ACTION
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::_q_processFocusChanged(QWidget *old, QWidget *now)
+{
+ Q_UNUSED(old);
+ Q_Q(QMdiSubWindow);
+ if (now && (now == q || q->isAncestorOf(now))) {
+ if (now == q && !isInInteractiveMode)
+ setFocusWidget();
+ setActive(true);
+ }
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::leaveInteractiveMode()
+{
+ Q_Q(QMdiSubWindow);
+#ifndef QT_NO_RUBBERBAND
+ if (isInRubberBandMode)
+ leaveRubberBandMode();
+ else
+#endif
+ q->releaseMouse();
+ isInInteractiveMode = false;
+ currentOperation = None;
+ updateDirtyRegions();
+ updateCursor();
+ if (baseWidget && baseWidget->focusWidget())
+ baseWidget->focusWidget()->setFocus();
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::removeBaseWidget()
+{
+ if (!baseWidget)
+ return;
+
+ Q_Q(QMdiSubWindow);
+ baseWidget->removeEventFilter(q);
+ if (layout)
+ layout->removeWidget(baseWidget);
+ if (baseWidget->windowTitle() == q->windowTitle()) {
+ ignoreWindowTitleChange = true;
+ q->setWindowTitle(QString());
+ ignoreWindowTitleChange = false;
+ q->setWindowModified(false);
+ }
+ lastChildWindowTitle.clear();
+ baseWidget->setParent(0);
+ baseWidget = 0;
+ isWidgetHiddenByUs = false;
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::initOperationMap()
+{
+ operationMap.insert(Move, OperationInfo(HMove | VMove, Qt::ArrowCursor, false));
+ operationMap.insert(TopResize, OperationInfo(VMove | VResize | VResizeReverse, Qt::SizeVerCursor));
+ operationMap.insert(BottomResize, OperationInfo(VResize, Qt::SizeVerCursor));
+ operationMap.insert(LeftResize, OperationInfo(HMove | HResize | HResizeReverse, Qt::SizeHorCursor));
+ operationMap.insert(RightResize, OperationInfo(HResize, Qt::SizeHorCursor));
+ operationMap.insert(TopLeftResize, OperationInfo(HMove | VMove | HResize | VResize | VResizeReverse
+ | HResizeReverse, Qt::SizeFDiagCursor));
+ operationMap.insert(TopRightResize, OperationInfo(VMove | HResize | VResize
+ | VResizeReverse, Qt::SizeBDiagCursor));
+ operationMap.insert(BottomLeftResize, OperationInfo(HMove | HResize | VResize | HResizeReverse,
+ Qt::SizeBDiagCursor));
+ operationMap.insert(BottomRightResize, OperationInfo(HResize | VResize, Qt::SizeFDiagCursor));
+}
+
+#ifndef QT_NO_MENU
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::createSystemMenu()
+{
+ Q_Q(QMdiSubWindow);
+ Q_ASSERT_X(q, "QMdiSubWindowPrivate::createSystemMenu",
+ "You can NOT call this function before QMdiSubWindow's ctor");
+ systemMenu = new QMenu(q);
+ const QStyle *style = q->style();
+ addToSystemMenu(RestoreAction, QMdiSubWindow::tr("&Restore"), SLOT(showNormal()));
+ actions[RestoreAction]->setIcon(style->standardIcon(QStyle::SP_TitleBarNormalButton, 0, q));
+ actions[RestoreAction]->setEnabled(false);
+ addToSystemMenu(MoveAction, QMdiSubWindow::tr("&Move"), SLOT(_q_enterInteractiveMode()));
+ addToSystemMenu(ResizeAction, QMdiSubWindow::tr("&Size"), SLOT(_q_enterInteractiveMode()));
+ addToSystemMenu(MinimizeAction, QMdiSubWindow::tr("Mi&nimize"), SLOT(showMinimized()));
+ actions[MinimizeAction]->setIcon(style->standardIcon(QStyle::SP_TitleBarMinButton, 0, q));
+ addToSystemMenu(MaximizeAction, QMdiSubWindow::tr("Ma&ximize"), SLOT(showMaximized()));
+ actions[MaximizeAction]->setIcon(style->standardIcon(QStyle::SP_TitleBarMaxButton, 0, q));
+ addToSystemMenu(StayOnTopAction, QMdiSubWindow::tr("Stay on &Top"), SLOT(_q_updateStaysOnTopHint()));
+ actions[StayOnTopAction]->setCheckable(true);
+ systemMenu->addSeparator();
+ addToSystemMenu(CloseAction, QMdiSubWindow::tr("&Close"), SLOT(close()));
+ actions[CloseAction]->setIcon(style->standardIcon(QStyle::SP_TitleBarCloseButton, 0, q));
+#if !defined(QT_NO_SHORTCUT)
+ actions[CloseAction]->setShortcuts(QKeySequence::Close);
+#endif
+ updateActions();
+}
+#endif
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::updateCursor()
+{
+#ifndef QT_NO_CURSOR
+ Q_Q(QMdiSubWindow);
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+ if (qobject_cast<QMacStyle *>(q->style()))
+ return;
+#endif
+
+ if (currentOperation == None) {
+ q->unsetCursor();
+ return;
+ }
+
+ if (currentOperation == Move || operationMap.find(currentOperation).value().hover) {
+ q->setCursor(operationMap.find(currentOperation).value().cursorShape);
+ return;
+ }
+#endif
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::updateDirtyRegions()
+{
+ // No update necessary
+ if (!parent)
+ return;
+
+ foreach (Operation operation, operationMap.keys())
+ operationMap.find(operation).value().region = getRegion(operation);
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::updateGeometryConstraints()
+{
+ Q_Q(QMdiSubWindow);
+ if (!parent)
+ return;
+
+ internalMinimumSize = (!q->isMinimized() && !q->minimumSize().isNull())
+ ? q->minimumSize() : q->minimumSizeHint();
+ int margin, minWidth;
+ sizeParameters(&margin, &minWidth);
+ q->setContentsMargins(margin, titleBarHeight(), margin, margin);
+ if (q->isMaximized() || (q->isMinimized() && !q->isShaded())) {
+ moveEnabled = false;
+ resizeEnabled = false;
+ } else {
+ moveEnabled = true;
+ if ((q->windowFlags() & Qt::MSWindowsFixedSizeDialogHint) || q->isShaded())
+ resizeEnabled = false;
+ else
+ resizeEnabled = true;
+ }
+ updateDirtyRegions();
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::updateMask()
+{
+ Q_Q(QMdiSubWindow);
+ if (!q->mask().isEmpty())
+ q->clearMask();
+
+ if (!parent)
+ return;
+
+ if ((q->isMaximized() && !drawTitleBarWhenMaximized())
+ || q->windowFlags() & Qt::FramelessWindowHint)
+ return;
+
+ if (resizeTimerId == -1)
+ cachedStyleOptions = titleBarOptions();
+ cachedStyleOptions.rect = q->rect();
+ QStyleHintReturnMask frameMask;
+ q->style()->styleHint(QStyle::SH_WindowFrame_Mask, &cachedStyleOptions, q, &frameMask);
+ if (!frameMask.region.isEmpty())
+ q->setMask(frameMask.region);
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::setNewGeometry(const QPoint &pos)
+{
+ Q_Q(QMdiSubWindow);
+ Q_ASSERT(currentOperation != None);
+ Q_ASSERT(parent);
+
+ uint cflags = operationMap.find(currentOperation).value().changeFlags;
+ int posX = pos.x();
+ int posY = pos.y();
+
+ const bool restrictHorizontal = !q->testOption(QMdiSubWindow::AllowOutsideAreaHorizontally);
+ const bool restrictVertical = !q->testOption(QMdiSubWindow::AllowOutsideAreaVertically);
+
+ if (restrictHorizontal || restrictVertical) {
+ QRect parentRect = q->parentWidget()->rect();
+ if (restrictVertical && (cflags & VResizeReverse || currentOperation == Move)) {
+ posY = qMin(qMax(mousePressPosition.y() - oldGeometry.y(), posY),
+ parentRect.height() - BoundaryMargin);
+ }
+ if (currentOperation == Move) {
+ if (restrictHorizontal)
+ posX = qMin(qMax(BoundaryMargin, posX), parentRect.width() - BoundaryMargin);
+ if (restrictVertical)
+ posY = qMin(posY, parentRect.height() - BoundaryMargin);
+ } else {
+ if (restrictHorizontal) {
+ if (cflags & HResizeReverse)
+ posX = qMax(mousePressPosition.x() - oldGeometry.x(), posX);
+ else
+ posX = qMin(parentRect.width() - (oldGeometry.x() + oldGeometry.width()
+ - mousePressPosition.x()), posX);
+ }
+ if (restrictVertical && !(cflags & VResizeReverse)) {
+ posY = qMin(parentRect.height() - (oldGeometry.y() + oldGeometry.height()
+ - mousePressPosition.y()), posY);
+ }
+ }
+ }
+
+ QRect geometry;
+ if (cflags & (HMove | VMove)) {
+ int dx = getMoveDeltaComponent(cflags, HMove, HResize, posX - mousePressPosition.x(),
+ oldGeometry.width() - internalMinimumSize.width(),
+ oldGeometry.width() - q->maximumWidth());
+ int dy = getMoveDeltaComponent(cflags, VMove, VResize, posY - mousePressPosition.y(),
+ oldGeometry.height() - internalMinimumSize.height(),
+ oldGeometry.height() - q->maximumHeight());
+ geometry.setTopLeft(oldGeometry.topLeft() + QPoint(dx, dy));
+ } else {
+ geometry.setTopLeft(q->geometry().topLeft());
+ }
+
+ if (cflags & (HResize | VResize)) {
+ int dx = getResizeDeltaComponent(cflags, HResize, HResizeReverse,
+ posX - mousePressPosition.x());
+ int dy = getResizeDeltaComponent(cflags, VResize, VResizeReverse,
+ posY - mousePressPosition.y());
+ geometry.setSize(oldGeometry.size() + QSize(dx, dy));
+ } else {
+ geometry.setSize(q->geometry().size());
+ }
+
+ setNewGeometry(&geometry);
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::setMinimizeMode()
+{
+ Q_Q(QMdiSubWindow);
+ Q_ASSERT(parent);
+
+ ensureWindowState(Qt::WindowMinimized);
+ isShadeRequestFromMinimizeMode = true;
+ q->showShaded();
+ isShadeRequestFromMinimizeMode = false;
+
+ moveEnabled = false;
+#ifndef QT_NO_ACTION
+ setEnabled(MoveAction, moveEnabled);
+#endif
+
+ Q_ASSERT(q->windowState() & Qt::WindowMinimized);
+ Q_ASSERT(!(q->windowState() & Qt::WindowMaximized));
+ // This should be a valid assert, but people can actually re-implement
+ // setVisible and do crazy stuff, so we're not guaranteed that
+ // the widget is hidden after calling hide().
+ // Q_ASSERT(baseWidget ? baseWidget->isHidden() : true);
+
+ setActive(true);
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::setNormalMode()
+{
+ Q_Q(QMdiSubWindow);
+ Q_ASSERT(parent);
+
+ isShadeMode = false;
+ isMaximizeMode = false;
+
+ ensureWindowState(Qt::WindowNoState);
+#ifndef QT_NO_MENUBAR
+ removeButtonsFromMenuBar();
+#endif
+
+ // Hide the window before we change the geometry to avoid multiple resize
+ // events and wrong window state.
+ const bool wasVisible = q->isVisible();
+ if (wasVisible)
+ q->setVisible(false);
+
+ // Restore minimum size if set by user.
+ if (!userMinimumSize.isNull()) {
+ q->setMinimumSize(userMinimumSize);
+ userMinimumSize = QSize(0, 0);
+ }
+
+ // Show the internal widget if it was hidden by us,
+ if (baseWidget && isWidgetHiddenByUs) {
+ baseWidget->show();
+ isWidgetHiddenByUs = false;
+ }
+
+ updateGeometryConstraints();
+ QRect newGeometry = oldGeometry;
+ newGeometry.setSize(restoreSize.expandedTo(internalMinimumSize));
+ q->setGeometry(newGeometry);
+
+ if (wasVisible)
+ q->setVisible(true);
+
+ // Invalidate the restore size.
+ restoreSize.setWidth(-1);
+ restoreSize.setHeight(-1);
+
+#ifndef QT_NO_SIZEGRIP
+ setSizeGripVisible(true);
+#endif
+
+#ifndef QT_NO_ACTION
+ setEnabled(MoveAction, true);
+ setEnabled(MaximizeAction, true);
+ setEnabled(MinimizeAction, true);
+ setEnabled(RestoreAction, false);
+ setEnabled(ResizeAction, resizeEnabled);
+#endif // QT_NO_ACTION
+
+ Q_ASSERT(!(q_func()->windowState() & Qt::WindowMinimized));
+ // This sub-window can be maximized when shown above if not the
+ // QMdiArea::DontMaximizeSubWindowOnActionvation is set. Make sure
+ // the Qt::WindowMaximized flag is set accordingly.
+ Q_ASSERT((isMaximizeMode && q_func()->windowState() & Qt::WindowMaximized)
+ || (!isMaximizeMode && !(q_func()->windowState() & Qt::WindowMaximized)));
+ Q_ASSERT(!isShadeMode);
+
+ setActive(true);
+ restoreFocus();
+ updateMask();
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::setMaximizeMode()
+{
+ Q_Q(QMdiSubWindow);
+ Q_ASSERT(parent);
+
+ ensureWindowState(Qt::WindowMaximized);
+ isShadeMode = false;
+ isMaximizeMode = true;
+
+ if (!restoreFocusWidget && q->isAncestorOf(QApplication::focusWidget()))
+ restoreFocusWidget = QApplication::focusWidget();
+
+#ifndef QT_NO_SIZEGRIP
+ setSizeGripVisible(false);
+#endif
+
+ // Store old geometry and set restore size if not already set.
+ if (!restoreSize.isValid()) {
+ oldGeometry = q->geometry();
+ restoreSize.setWidth(oldGeometry.width());
+ restoreSize.setHeight(oldGeometry.height());
+ }
+
+ // Hide the window before we change the geometry to avoid multiple resize
+ // events and wrong window state.
+ const bool wasVisible = q->isVisible();
+ if (wasVisible)
+ q->setVisible(false);
+
+ // Show the internal widget if it was hidden by us.
+ if (baseWidget && isWidgetHiddenByUs) {
+ baseWidget->show();
+ isWidgetHiddenByUs = false;
+ }
+
+ updateGeometryConstraints();
+
+ if (wasVisible) {
+#ifndef QT_NO_MENUBAR
+ if (QMenuBar *mBar = menuBar())
+ showButtonsInMenuBar(mBar);
+ else
+#endif
+ if (!controlContainer)
+ controlContainer = new ControlContainer(q);
+ }
+
+ QWidget *parent = q->parentWidget();
+ QRect availableRect = parent->contentsRect();
+
+ // Adjust geometry if the sub-window is inside a scroll area.
+ QAbstractScrollArea *scrollArea = qobject_cast<QAbstractScrollArea *>(parent->parentWidget());
+ if (scrollArea && scrollArea->viewport() == parent) {
+ QScrollBar *hbar = scrollArea->horizontalScrollBar();
+ QScrollBar *vbar = scrollArea->verticalScrollBar();
+ const int xOffset = hbar ? hbar->value() : 0;
+ const int yOffset = vbar ? vbar->value() : 0;
+ availableRect.adjust(-xOffset, -yOffset, -xOffset, -yOffset);
+ oldGeometry.adjust(xOffset, yOffset, xOffset, yOffset);
+ }
+
+ setNewGeometry(&availableRect);
+ // QWidget::setGeometry will reset Qt::WindowMaximized so we have to update it here.
+ ensureWindowState(Qt::WindowMaximized);
+
+ if (wasVisible)
+ q->setVisible(true);
+
+ resizeEnabled = false;
+ moveEnabled = false;
+
+#ifndef QT_NO_ACTION
+ setEnabled(MoveAction, moveEnabled);
+ setEnabled(MaximizeAction, false);
+ setEnabled(MinimizeAction, true);
+ setEnabled(RestoreAction, true);
+ setEnabled(ResizeAction, resizeEnabled);
+#endif // QT_NO_ACTION
+
+ Q_ASSERT(q->windowState() & Qt::WindowMaximized);
+ Q_ASSERT(!(q->windowState() & Qt::WindowMinimized));
+
+ restoreFocus();
+ updateMask();
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::setActive(bool activate, bool changeFocus)
+{
+ Q_Q(QMdiSubWindow);
+ if (!parent || !activationEnabled)
+ return;
+
+ if (activate && !isActive && q->isEnabled()) {
+ isActive = true;
+ isExplicitlyDeactivated = false;
+ Qt::WindowStates oldWindowState = q->windowState();
+ ensureWindowState(Qt::WindowActive);
+ emit q->aboutToActivate();
+#ifndef QT_NO_MENUBAR
+ if (QMenuBar *mBar = menuBar())
+ showButtonsInMenuBar(mBar);
+#endif
+ Q_ASSERT(isActive);
+ emit q->windowStateChanged(oldWindowState, q->windowState());
+ } else if (!activate && isActive) {
+ isActive = false;
+ Qt::WindowStates oldWindowState = q->windowState();
+ q->overrideWindowState(q->windowState() & ~Qt::WindowActive);
+ if (changeFocus) {
+ QWidget *focusWidget = QApplication::focusWidget();
+ if (focusWidget && (focusWidget == q || q->isAncestorOf(focusWidget)))
+ focusWidget->clearFocus();
+ }
+ if (baseWidget)
+ baseWidget->overrideWindowState(baseWidget->windowState() & ~Qt::WindowActive);
+ Q_ASSERT(!isActive);
+ emit q->windowStateChanged(oldWindowState, q->windowState());
+ }
+
+ if (activate && isActive && q->isEnabled() && !q->hasFocus()
+ && !q->isAncestorOf(QApplication::focusWidget())) {
+ if (changeFocus)
+ setFocusWidget();
+ ensureWindowState(Qt::WindowActive);
+ }
+
+ int frameWidth = q->style()->pixelMetric(QStyle::PM_MdiSubWindowFrameWidth, 0, q);
+ int titleBarHeight = this->titleBarHeight();
+ QRegion windowDecoration = QRegion(0, 0, q->width(), q->height());
+ windowDecoration -= QRegion(frameWidth, titleBarHeight, q->width() - 2 * frameWidth,
+ q->height() - titleBarHeight - frameWidth);
+
+ // Make sure we don't use cached style options if we get
+ // resize events right before activation/deactivation.
+ if (resizeTimerId != -1) {
+ q->killTimer(resizeTimerId);
+ resizeTimerId = -1;
+ updateDirtyRegions();
+ }
+
+ q->update(windowDecoration);
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::processClickedSubControl()
+{
+ Q_Q(QMdiSubWindow);
+ switch (activeSubControl) {
+ case QStyle::SC_TitleBarContextHelpButton:
+#ifndef QT_NO_WHATSTHIS
+ QWhatsThis::enterWhatsThisMode();
+#endif
+ break;
+ case QStyle::SC_TitleBarShadeButton:
+ q->showShaded();
+ hoveredSubControl = QStyle::SC_TitleBarUnshadeButton;
+ break;
+ case QStyle::SC_TitleBarUnshadeButton:
+ if (q->isShaded())
+ hoveredSubControl = QStyle::SC_TitleBarShadeButton;
+ q->showNormal();
+ break;
+ case QStyle::SC_TitleBarMinButton:
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+ if (qobject_cast<QMacStyle *>(q->style())) {
+ if (q->isMinimized())
+ q->showNormal();
+ else
+ q->showMinimized();
+ break;
+ }
+#endif
+ q->showMinimized();
+ break;
+ case QStyle::SC_TitleBarNormalButton:
+ if (q->isShaded())
+ hoveredSubControl = QStyle::SC_TitleBarMinButton;
+ q->showNormal();
+ break;
+ case QStyle::SC_TitleBarMaxButton:
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+ if (qobject_cast<QMacStyle *>(q->style())) {
+ if (q->isMaximized())
+ q->showNormal();
+ else
+ q->showMaximized();
+ break;
+ }
+#endif
+ q->showMaximized();
+ break;
+ case QStyle::SC_TitleBarCloseButton:
+ q->close();
+ break;
+ default:
+ break;
+ }
+}
+
+/*!
+ \internal
+*/
+QRegion QMdiSubWindowPrivate::getRegion(Operation operation) const
+{
+ Q_Q(const QMdiSubWindow);
+ int width = q->width();
+ int height = q->height();
+ int titleBarHeight = this->titleBarHeight();
+ int frameWidth = q->style()->pixelMetric(QStyle::PM_MdiSubWindowFrameWidth, 0, q);
+ int cornerConst = titleBarHeight - frameWidth;
+ int titleBarConst = 2 * titleBarHeight;
+
+ if (operation == Move) {
+ QStyleOptionTitleBar titleBarOptions = this->titleBarOptions();
+ QRegion move(frameWidth, frameWidth, width - 2 * frameWidth, cornerConst);
+ // Depending on which window flags are set, activated sub controllers will
+ // be subtracted from the 'move' region.
+ for (int i = 0; i < NumSubControls; ++i) {
+ if (SubControls[i] == QStyle::SC_TitleBarLabel)
+ continue;
+ move -= QRegion(q->style()->subControlRect(QStyle::CC_TitleBar, &titleBarOptions,
+ SubControls[i]));
+ }
+ return move;
+ }
+
+ QRegion region;
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+ if (qobject_cast<QMacStyle *>(q->style()))
+ return region;
+#endif
+
+ switch (operation) {
+ case TopResize:
+ region = QRegion(titleBarHeight, 0, width - titleBarConst, frameWidth);
+ break;
+ case BottomResize:
+ region = QRegion(titleBarHeight, height - frameWidth, width - titleBarConst, frameWidth);
+ break;
+ case LeftResize:
+ region = QRegion(0, titleBarHeight, frameWidth, height - titleBarConst);
+ break;
+ case RightResize:
+ region = QRegion(width - frameWidth, titleBarHeight, frameWidth, height - titleBarConst);
+ break;
+ case TopLeftResize:
+ region = QRegion(0, 0, titleBarHeight, titleBarHeight)
+ - QRegion(frameWidth, frameWidth, cornerConst, cornerConst);
+ break;
+ case TopRightResize:
+ region = QRegion(width - titleBarHeight, 0, titleBarHeight, titleBarHeight)
+ - QRegion(width - titleBarHeight, frameWidth, cornerConst, cornerConst);
+ break;
+ case BottomLeftResize:
+ region = QRegion(0, height - titleBarHeight, titleBarHeight, titleBarHeight)
+ - QRegion(frameWidth, height - titleBarHeight, cornerConst, cornerConst);
+ break;
+ case BottomRightResize:
+ region = QRegion(width - titleBarHeight, height - titleBarHeight, titleBarHeight, titleBarHeight)
+ - QRegion(width - titleBarHeight, height - titleBarHeight, cornerConst, cornerConst);
+ break;
+ default:
+ break;
+ }
+
+ return region;
+}
+
+/*!
+ \internal
+*/
+QMdiSubWindowPrivate::Operation QMdiSubWindowPrivate::getOperation(const QPoint &pos) const
+{
+ OperationInfoMap::const_iterator it;
+ for (it = operationMap.constBegin(); it != operationMap.constEnd(); ++it)
+ if (it.value().region.contains(pos))
+ return it.key();
+ return None;
+}
+
+extern QString qt_setWindowTitle_helperHelper(const QString&, const QWidget*);
+
+/*!
+ \internal
+*/
+QStyleOptionTitleBar QMdiSubWindowPrivate::titleBarOptions() const
+{
+ Q_Q(const QMdiSubWindow);
+ QStyleOptionTitleBar titleBarOptions;
+ titleBarOptions.initFrom(q);
+ if (activeSubControl != QStyle::SC_None) {
+ if (hoveredSubControl == activeSubControl) {
+ titleBarOptions.state |= QStyle::State_Sunken;
+ titleBarOptions.activeSubControls = activeSubControl;
+ }
+ } else if (autoRaise() && hoveredSubControl != QStyle::SC_None
+ && hoveredSubControl != QStyle::SC_TitleBarLabel) {
+ titleBarOptions.state |= QStyle::State_MouseOver;
+ titleBarOptions.activeSubControls = hoveredSubControl;
+ } else {
+ titleBarOptions.state &= ~QStyle::State_MouseOver;
+ titleBarOptions.activeSubControls = QStyle::SC_None;
+ }
+
+ titleBarOptions.subControls = QStyle::SC_All;
+ titleBarOptions.titleBarFlags = q->windowFlags();
+ titleBarOptions.titleBarState = q->windowState();
+ titleBarOptions.palette = titleBarPalette;
+ titleBarOptions.icon = menuIcon;
+
+ if (isActive) {
+ titleBarOptions.state |= QStyle::State_Active;
+ titleBarOptions.titleBarState |= QStyle::State_Active;
+ titleBarOptions.palette.setCurrentColorGroup(QPalette::Active);
+ } else {
+ titleBarOptions.state &= ~QStyle::State_Active;
+ titleBarOptions.palette.setCurrentColorGroup(QPalette::Inactive);
+ }
+
+ int border = hasBorder(titleBarOptions) ? 4 : 0;
+ int paintHeight = titleBarHeight(titleBarOptions);
+ paintHeight -= q->isMinimized() ? 2 * border : border;
+ titleBarOptions.rect = QRect(border, border, q->width() - 2 * border, paintHeight);
+
+ if (!windowTitle.isEmpty()) {
+ // Set the text here before asking for the width of the title bar label
+ // in case people uses the actual text to calculate the width.
+ titleBarOptions.text = windowTitle;
+ titleBarOptions.fontMetrics = QFontMetrics(font);
+ int width = q->style()->subControlRect(QStyle::CC_TitleBar, &titleBarOptions,
+ QStyle::SC_TitleBarLabel, q).width();
+ // Set elided text if we don't have enough space for the entire title.
+ titleBarOptions.text = titleBarOptions.fontMetrics.elidedText(windowTitle, Qt::ElideRight, width);
+ }
+ return titleBarOptions;
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::ensureWindowState(Qt::WindowState state)
+{
+ Q_Q(QMdiSubWindow);
+ Qt::WindowStates windowStates = q->windowState() | state;
+ switch (state) {
+ case Qt::WindowMinimized:
+ windowStates &= ~Qt::WindowMaximized;
+ windowStates &= ~Qt::WindowNoState;
+ break;
+ case Qt::WindowMaximized:
+ windowStates &= ~Qt::WindowMinimized;
+ windowStates &= ~Qt::WindowNoState;
+ break;
+ case Qt::WindowNoState:
+ windowStates &= ~Qt::WindowMinimized;
+ windowStates &= ~Qt::WindowMaximized;
+ break;
+ default:
+ break;
+ }
+ if (baseWidget) {
+ if (!(baseWidget->windowState() & Qt::WindowActive) && windowStates & Qt::WindowActive)
+ baseWidget->overrideWindowState(windowStates & ~Qt::WindowActive);
+ else
+ baseWidget->overrideWindowState(windowStates);
+ }
+ q->overrideWindowState(windowStates);
+}
+
+/*!
+ \internal
+*/
+int QMdiSubWindowPrivate::titleBarHeight(const QStyleOptionTitleBar &options) const
+{
+ Q_Q(const QMdiSubWindow);
+ if (!parent || q->windowFlags() & Qt::FramelessWindowHint
+ || (q->isMaximized() && !drawTitleBarWhenMaximized())) {
+ return 0;
+ }
+
+ int height = q->style()->pixelMetric(QStyle::PM_TitleBarHeight, &options, q);
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+ // ### Fix mac style, the +4 pixels hack is not necessary anymore
+ if (qobject_cast<QMacStyle *>(q->style()))
+ height -= 4;
+#endif
+ if (hasBorder(options))
+ height += q->isMinimized() ? 8 : 4;
+ return height;
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::sizeParameters(int *margin, int *minWidth) const
+{
+ Q_Q(const QMdiSubWindow);
+ Qt::WindowFlags flags = q->windowFlags();
+ if (!parent || flags & Qt::FramelessWindowHint) {
+ *margin = 0;
+ *minWidth = 0;
+ return;
+ }
+
+ if (q->isMaximized() && !drawTitleBarWhenMaximized())
+ *margin = 0;
+ else
+ *margin = q->style()->pixelMetric(QStyle::PM_MdiSubWindowFrameWidth, 0, q);
+
+ QStyleOptionTitleBar opt = this->titleBarOptions();
+ int tempWidth = 0;
+ for (int i = 0; i < NumSubControls; ++i) {
+ if (SubControls[i] == QStyle::SC_TitleBarLabel) {
+ tempWidth += 30;
+ continue;
+ }
+ QRect rect = q->style()->subControlRect(QStyle::CC_TitleBar, &opt, SubControls[i], q);
+ if (!rect.isValid())
+ continue;
+ tempWidth += rect.width();
+ }
+ *minWidth = tempWidth;
+}
+
+/*!
+ \internal
+*/
+bool QMdiSubWindowPrivate::drawTitleBarWhenMaximized() const
+{
+ Q_Q(const QMdiSubWindow);
+ if (q->window()->testAttribute(Qt::WA_CanHostQMdiSubWindowTitleBar))
+ return false;
+
+ if (isChildOfTabbedQMdiArea(q))
+ return false;
+
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC) || defined(Q_WS_WINCE_WM)
+ return true;
+#else
+ if (q->style()->styleHint(QStyle::SH_Workspace_FillSpaceOnMaximize, 0, q))
+ return true;
+#if defined(QT_NO_MENUBAR) || defined(QT_NO_MAINWINDOW)
+ return true;
+#else
+ QMainWindow *mainWindow = qobject_cast<QMainWindow *>(q->window());
+ if (!mainWindow || !qobject_cast<QMenuBar *>(mainWindow->menuWidget())
+ || mainWindow->menuWidget()->isHidden())
+ return true;
+
+ return isChildOfQMdiSubWindow(q);
+#endif
+#endif
+}
+
+#ifndef QT_NO_MENUBAR
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::showButtonsInMenuBar(QMenuBar *menuBar)
+{
+ Q_Q(QMdiSubWindow);
+ Q_ASSERT(q->isMaximized() && !drawTitleBarWhenMaximized());
+
+ if (isChildOfTabbedQMdiArea(q))
+ return;
+
+ removeButtonsFromMenuBar();
+ if (!controlContainer)
+ controlContainer = new ControlContainer(q);
+
+ ignoreWindowTitleChange = true;
+ controlContainer->showButtonsInMenuBar(menuBar);
+ ignoreWindowTitleChange = false;
+
+ QWidget *topLevelWindow = q->window();
+ topLevelWindow->setWindowModified(q->isWindowModified());
+ topLevelWindow->installEventFilter(q);
+
+ int buttonHeight = 0;
+ if (controlContainer->controllerWidget())
+ buttonHeight = controlContainer->controllerWidget()->height();
+ else if (controlContainer->systemMenuLabel())
+ buttonHeight = controlContainer->systemMenuLabel()->height();
+
+ // This will rarely happen.
+ if (menuBar && menuBar->height() < buttonHeight
+ && topLevelWindow->layout()) {
+ // Make sure topLevelWindow->contentsRect returns correct geometry.
+ // topLevelWidget->updateGeoemtry will not do the trick here since it will post the event.
+ QEvent event(QEvent::LayoutRequest);
+ QApplication::sendEvent(topLevelWindow, &event);
+ }
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::removeButtonsFromMenuBar()
+{
+ Q_Q(QMdiSubWindow);
+
+ if (!controlContainer || isChildOfTabbedQMdiArea(q))
+ return;
+
+ QMenuBar *currentMenuBar = 0;
+#ifndef QT_NO_MAINWINDOW
+ if (QMainWindow *mainWindow = qobject_cast<QMainWindow *>(q->window())) {
+ // NB! We can't use menuBar() here because that one will actually create
+ // a menubar for us if not set. That's not what we want :-)
+ currentMenuBar = qobject_cast<QMenuBar *>(mainWindow->menuWidget());
+ }
+#endif
+
+ ignoreWindowTitleChange = true;
+ controlContainer->removeButtonsFromMenuBar(currentMenuBar);
+ ignoreWindowTitleChange = false;
+
+ QWidget *topLevelWindow = q->window();
+ topLevelWindow->removeEventFilter(q);
+ if (baseWidget && !drawTitleBarWhenMaximized())
+ topLevelWindow->setWindowModified(false);
+ originalTitle = QString::null;
+}
+
+#endif // QT_NO_MENUBAR
+
+void QMdiSubWindowPrivate::updateWindowTitle(bool isRequestFromChild)
+{
+ Q_Q(QMdiSubWindow);
+ if (isRequestFromChild && !q->windowTitle().isEmpty() && !lastChildWindowTitle.isEmpty()
+ && lastChildWindowTitle != q->windowTitle()) {
+ return;
+ }
+
+ QWidget *titleWidget = 0;
+ if (isRequestFromChild)
+ titleWidget = baseWidget;
+ else
+ titleWidget = q;
+ if (!titleWidget || titleWidget->windowTitle().isEmpty())
+ return;
+
+ ignoreWindowTitleChange = true;
+ q->setWindowTitle(titleWidget->windowTitle());
+ if (q->maximizedButtonsWidget())
+ setNewWindowTitle();
+ ignoreWindowTitleChange = false;
+}
+
+#ifndef QT_NO_RUBBERBAND
+void QMdiSubWindowPrivate::enterRubberBandMode()
+{
+ Q_Q(QMdiSubWindow);
+ if (q->isMaximized())
+ return;
+ Q_ASSERT(oldGeometry.isValid());
+ Q_ASSERT(parent);
+ if (!rubberBand) {
+ rubberBand = new QRubberBand(QRubberBand::Rectangle, q->parentWidget());
+ // For accessibility to identify this special widget.
+ rubberBand->setObjectName(QLatin1String("qt_rubberband"));
+ }
+ QPoint rubberBandPos = q->mapToParent(QPoint(0, 0));
+ rubberBand->setGeometry(rubberBandPos.x(), rubberBandPos.y(),
+ oldGeometry.width(), oldGeometry.height());
+ rubberBand->show();
+ isInRubberBandMode = true;
+ q->grabMouse();
+}
+
+void QMdiSubWindowPrivate::leaveRubberBandMode()
+{
+ Q_Q(QMdiSubWindow);
+ Q_ASSERT(rubberBand);
+ Q_ASSERT(isInRubberBandMode);
+ q->releaseMouse();
+ isInRubberBandMode = false;
+ q->setGeometry(rubberBand->geometry());
+ rubberBand->hide();
+ currentOperation = None;
+}
+#endif // QT_NO_RUBBERBAND
+
+// Taken from the old QWorkspace (::readColors())
+QPalette QMdiSubWindowPrivate::desktopPalette() const
+{
+ Q_Q(const QMdiSubWindow);
+ QPalette newPalette = q->palette();
+
+ bool colorsInitialized = false;
+#ifdef Q_WS_WIN // ask system properties on windows
+#ifndef SPI_GETGRADIENTCAPTIONS
+#define SPI_GETGRADIENTCAPTIONS 0x1008
+#endif
+#ifndef COLOR_GRADIENTACTIVECAPTION
+#define COLOR_GRADIENTACTIVECAPTION 27
+#endif
+#ifndef COLOR_GRADIENTINACTIVECAPTION
+#define COLOR_GRADIENTINACTIVECAPTION 28
+#endif
+ if (QApplication::desktopSettingsAware()) {
+ newPalette.setColor(QPalette::Active, QPalette::Highlight,
+ colorref2qrgb(GetSysColor(COLOR_ACTIVECAPTION)));
+ newPalette.setColor(QPalette::Inactive, QPalette::Highlight,
+ colorref2qrgb(GetSysColor(COLOR_INACTIVECAPTION)));
+ newPalette.setColor(QPalette::Active, QPalette::HighlightedText,
+ colorref2qrgb(GetSysColor(COLOR_CAPTIONTEXT)));
+ newPalette.setColor(QPalette::Inactive, QPalette::HighlightedText,
+ colorref2qrgb(GetSysColor(COLOR_INACTIVECAPTIONTEXT)));
+
+ colorsInitialized = true;
+ BOOL hasGradient = false;
+ SystemParametersInfo(SPI_GETGRADIENTCAPTIONS, 0, &hasGradient, 0);
+
+ if (hasGradient) {
+ newPalette.setColor(QPalette::Active, QPalette::Base,
+ colorref2qrgb(GetSysColor(COLOR_GRADIENTACTIVECAPTION)));
+ newPalette.setColor(QPalette::Inactive, QPalette::Base,
+ colorref2qrgb(GetSysColor(COLOR_GRADIENTINACTIVECAPTION)));
+ } else {
+ newPalette.setColor(QPalette::Active, QPalette::Base,
+ newPalette.color(QPalette::Active, QPalette::Highlight));
+ newPalette.setColor(QPalette::Inactive, QPalette::Base,
+ newPalette.color(QPalette::Inactive, QPalette::Highlight));
+ }
+ }
+#endif // Q_WS_WIN
+ if (!colorsInitialized) {
+ newPalette.setColor(QPalette::Active, QPalette::Highlight,
+ newPalette.color(QPalette::Active, QPalette::Highlight));
+ newPalette.setColor(QPalette::Active, QPalette::Base,
+ newPalette.color(QPalette::Active, QPalette::Highlight));
+ newPalette.setColor(QPalette::Inactive, QPalette::Highlight,
+ newPalette.color(QPalette::Inactive, QPalette::Dark));
+ newPalette.setColor(QPalette::Inactive, QPalette::Base,
+ newPalette.color(QPalette::Inactive, QPalette::Dark));
+ newPalette.setColor(QPalette::Inactive, QPalette::HighlightedText,
+ newPalette.color(QPalette::Inactive, QPalette::Window));
+ }
+
+ return newPalette;
+}
+
+void QMdiSubWindowPrivate::updateActions()
+{
+ Qt::WindowFlags windowFlags = q_func()->windowFlags();
+ // Hide all
+ for (int i = 0; i < NumWindowStateActions; ++i)
+ setVisible(WindowStateAction(i), false);
+
+ if (windowFlags & Qt::FramelessWindowHint)
+ return;
+
+ setVisible(StayOnTopAction, true);
+ setVisible(MoveAction, moveEnabled);
+ setVisible(ResizeAction, resizeEnabled);
+
+ // CloseAction
+ if (windowFlags & Qt::WindowSystemMenuHint)
+ setVisible(CloseAction, true);
+
+ // RestoreAction
+ if (windowFlags & (Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint))
+ setVisible(RestoreAction, true);
+
+ // MinimizeAction
+ if (windowFlags & Qt::WindowMinimizeButtonHint)
+ setVisible(MinimizeAction, true);
+
+ // MaximizeAction
+ if (windowFlags & Qt::WindowMaximizeButtonHint)
+ setVisible(MaximizeAction, true);
+}
+
+void QMdiSubWindowPrivate::setFocusWidget()
+{
+ Q_Q(QMdiSubWindow);
+ if (!baseWidget) {
+ q->setFocus();
+ return;
+ }
+
+ // This will give focus to the next child if possible, otherwise
+ // do nothing, hence it's not possible to tab between windows with
+ // just hitting tab (unless Qt::TabFocus is removed from the focus policy).
+ if (focusInReason == Qt::TabFocusReason) {
+ q->focusNextChild();
+ return;
+ }
+
+ // Same as above, but gives focus to the previous child.
+ if (focusInReason == Qt::BacktabFocusReason) {
+ q->focusPreviousChild();
+ return;
+ }
+
+ if (QWidget *focusWidget = baseWidget->focusWidget()) {
+ if (!focusWidget->hasFocus() && q->isAncestorOf(focusWidget)
+ && focusWidget->isVisible() && !q->isMinimized()
+ && focusWidget->focusPolicy() != Qt::NoFocus) {
+ focusWidget->setFocus();
+ } else {
+ q->setFocus();
+ }
+ return;
+ }
+
+ QWidget *focusWidget = q->nextInFocusChain();
+ while (focusWidget && focusWidget != q && focusWidget->focusPolicy() == Qt::NoFocus)
+ focusWidget = focusWidget->nextInFocusChain();
+ if (focusWidget && q->isAncestorOf(focusWidget))
+ focusWidget->setFocus();
+ else if (baseWidget->focusPolicy() != Qt::NoFocus)
+ baseWidget->setFocus();
+ else if (!q->hasFocus())
+ q->setFocus();
+}
+
+void QMdiSubWindowPrivate::restoreFocus()
+{
+ if (!restoreFocusWidget)
+ return;
+ if (!restoreFocusWidget->hasFocus() && q_func()->isAncestorOf(restoreFocusWidget)
+ && restoreFocusWidget->isVisible()
+ && restoreFocusWidget->focusPolicy() != Qt::NoFocus) {
+ restoreFocusWidget->setFocus();
+ }
+ restoreFocusWidget = 0;
+}
+
+/*!
+ \internal
+ ### Please add QEvent::WindowFlagsChange event
+*/
+void QMdiSubWindowPrivate::setWindowFlags(Qt::WindowFlags windowFlags)
+{
+ Q_Q(QMdiSubWindow);
+ if (!parent) {
+ q->setWindowFlags(windowFlags);
+ return;
+ }
+
+ Qt::WindowFlags windowType = windowFlags & Qt::WindowType_Mask;
+ if (windowType == Qt::Dialog || windowFlags & Qt::MSWindowsFixedSizeDialogHint)
+ windowFlags |= Qt::WindowTitleHint | Qt::WindowSystemMenuHint;
+
+ // Set standard flags if none of the customize flags are set
+ if (!(windowFlags & CustomizeWindowFlags))
+ windowFlags |= Qt::WindowTitleHint | Qt::WindowSystemMenuHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint;
+ else if (windowFlags & Qt::FramelessWindowHint && windowFlags & Qt::WindowStaysOnTopHint)
+ windowFlags = Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint;
+ else if (windowFlags & Qt::FramelessWindowHint)
+ windowFlags = Qt::FramelessWindowHint;
+
+ windowFlags &= ~windowType;
+ windowFlags |= Qt::SubWindow;
+
+#ifndef QT_NO_ACTION
+ if (QAction *stayOnTopAction = actions[QMdiSubWindowPrivate::StayOnTopAction]) {
+ if (windowFlags & Qt::WindowStaysOnTopHint)
+ stayOnTopAction->setChecked(true);
+ else
+ stayOnTopAction->setChecked(false);
+ }
+#endif
+
+#ifndef QT_NO_SIZEGRIP
+ if ((windowFlags & Qt::FramelessWindowHint) && sizeGrip)
+ delete sizeGrip;
+#endif
+
+ q->setWindowFlags(windowFlags);
+ updateGeometryConstraints();
+ updateActions();
+ QSize currentSize = q->size();
+ if (q->isVisible() && (currentSize.width() < internalMinimumSize.width()
+ || currentSize.height() < internalMinimumSize.height())) {
+ q->resize(currentSize.expandedTo(internalMinimumSize));
+ }
+}
+
+void QMdiSubWindowPrivate::setVisible(WindowStateAction action, bool visible)
+{
+#ifndef QT_NO_ACTION
+ if (actions[action])
+ actions[action]->setVisible(visible);
+#endif
+
+ Q_Q(QMdiSubWindow);
+ if (!controlContainer)
+ controlContainer = new ControlContainer(q);
+
+ if (ControllerWidget *ctrlWidget = qobject_cast<ControllerWidget *>
+ (controlContainer->controllerWidget())) {
+ ctrlWidget->setControlVisible(action, visible);
+ }
+}
+
+#ifndef QT_NO_ACTION
+void QMdiSubWindowPrivate::setEnabled(WindowStateAction action, bool enable)
+{
+ if (actions[action])
+ actions[action]->setEnabled(enable);
+}
+
+#ifndef QT_NO_MENU
+void QMdiSubWindowPrivate::addToSystemMenu(WindowStateAction action, const QString &text,
+ const char *slot)
+{
+ if (!systemMenu)
+ return;
+ actions[action] = systemMenu->addAction(text, q_func(), slot);
+}
+#endif
+#endif // QT_NO_ACTION
+
+/*!
+ \internal
+*/
+QSize QMdiSubWindowPrivate::iconSize() const
+{
+ Q_Q(const QMdiSubWindow);
+ if (!parent || q->windowFlags() & Qt::FramelessWindowHint)
+ return QSize(-1, -1);
+ return QSize(q->style()->pixelMetric(QStyle::PM_MdiSubWindowMinimizedWidth, 0, q), titleBarHeight());
+}
+
+#ifndef QT_NO_SIZEGRIP
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::setSizeGrip(QSizeGrip *newSizeGrip)
+{
+ Q_Q(QMdiSubWindow);
+ if (!newSizeGrip || sizeGrip || q->windowFlags() & Qt::FramelessWindowHint)
+ return;
+
+ if (layout && layout->indexOf(newSizeGrip) != -1)
+ return;
+ newSizeGrip->setFixedSize(newSizeGrip->sizeHint());
+ bool putSizeGripInLayout = layout ? true : false;
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+ if (qobject_cast<QMacStyle *>(q->style()))
+ putSizeGripInLayout = false;
+#endif
+ if (putSizeGripInLayout) {
+ layout->addWidget(newSizeGrip);
+ layout->setAlignment(newSizeGrip, Qt::AlignBottom | Qt::AlignRight);
+ } else {
+ newSizeGrip->setParent(q);
+ newSizeGrip->move(q->isLeftToRight() ? q->width() - newSizeGrip->width() : 0,
+ q->height() - newSizeGrip->height());
+ sizeGrip = newSizeGrip;
+ }
+ newSizeGrip->raise();
+ updateGeometryConstraints();
+ newSizeGrip->installEventFilter(q);
+}
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::setSizeGripVisible(bool visible) const
+{
+ // See if we can find any size grips
+ QList<QSizeGrip *> sizeGrips = qFindChildren<QSizeGrip *>(q_func());
+ foreach (QSizeGrip *grip, sizeGrips)
+ grip->setVisible(visible);
+}
+
+#endif // QT_NO_SIZEGRIP
+
+/*!
+ \internal
+*/
+void QMdiSubWindowPrivate::updateInternalWindowTitle()
+{
+ Q_Q(QMdiSubWindow);
+ if (q->isWindowModified()) {
+ windowTitle = q->windowTitle();
+ windowTitle.replace(QLatin1String("[*]"), QLatin1String("*"));
+ } else {
+ windowTitle = qt_setWindowTitle_helperHelper(q->windowTitle(), q);
+ }
+ q->update(0, 0, q->width(), titleBarHeight());
+}
+
+/*!
+ Constructs a new QMdiSubWindow widget. The \a parent and \a
+ flags arguments are passed to QWidget's constructor.
+
+ Instead of using addSubWindow(), it is also simply possible to
+ use setParent() when you add the subwindow to a QMdiArea.
+
+ Note that only \l{QMdiSubWindow}s can be set as children of
+ QMdiArea; you cannot, for instance, write:
+
+ \badcode
+ QMdiArea mdiArea;
+ QTextEdit editor(&mdiArea); // invalid child widget
+ \endcode
+
+ \sa QMdiArea::addSubWindow()
+*/
+QMdiSubWindow::QMdiSubWindow(QWidget *parent, Qt::WindowFlags flags)
+ : QWidget(*new QMdiSubWindowPrivate, parent, 0)
+{
+ Q_D(QMdiSubWindow);
+#ifndef QT_NO_MENU
+ d->createSystemMenu();
+ addActions(d->systemMenu->actions());
+#endif
+ d->setWindowFlags(flags);
+ setBackgroundRole(QPalette::Window);
+ setAutoFillBackground(true);
+ setMouseTracking(true);
+ setLayout(new QVBoxLayout);
+ setFocusPolicy(Qt::StrongFocus);
+ layout()->setMargin(0);
+ d->updateGeometryConstraints();
+ setAttribute(Qt::WA_Resized, false);
+ d->titleBarPalette = d->desktopPalette();
+ d->font = QApplication::font("QWorkspaceTitleBar");
+ // We don't want the menu icon by default on mac.
+#ifndef Q_WS_MAC
+ if (windowIcon().isNull())
+ d->menuIcon = style()->standardIcon(QStyle::SP_TitleBarMenuButton, 0, this);
+ else
+ d->menuIcon = windowIcon();
+#endif
+ connect(qApp, SIGNAL(focusChanged(QWidget *, QWidget *)),
+ this, SLOT(_q_processFocusChanged(QWidget *, QWidget *)));
+}
+
+/*!
+ Destroys the subwindow.
+
+ \sa QMdiArea::removeSubWindow()
+*/
+QMdiSubWindow::~QMdiSubWindow()
+{
+ Q_D(QMdiSubWindow);
+#ifndef QT_NO_MENUBAR
+ d->removeButtonsFromMenuBar();
+#endif
+ d->setActive(false);
+}
+
+/*!
+ Sets \a widget as the internal widget of this subwindow. The
+ internal widget is displayed in the center of the subwindow
+ beneath the title bar.
+
+ QMdiSubWindow takes temporary ownership of \a widget; you do
+ not have to delete it. Any existing internal widget will be
+ removed and reparented to the root window.
+
+ \sa widget()
+*/
+void QMdiSubWindow::setWidget(QWidget *widget)
+{
+ Q_D(QMdiSubWindow);
+ if (!widget) {
+ d->removeBaseWidget();
+ return;
+ }
+
+ if (widget == d->baseWidget) {
+ qWarning("QMdiSubWindow::setWidget: widget is already set");
+ return;
+ }
+
+ bool wasResized = testAttribute(Qt::WA_Resized);
+ d->removeBaseWidget();
+
+ if (QLayout *layout = this->layout())
+ layout->addWidget(widget);
+ else
+ widget->setParent(this);
+
+#ifndef QT_NO_SIZEGRIP
+ QSizeGrip *sizeGrip = qFindChild<QSizeGrip *>(widget);
+ if (sizeGrip)
+ sizeGrip->installEventFilter(this);
+ if (d->sizeGrip)
+ d->sizeGrip->raise();
+#endif
+
+ d->baseWidget = widget;
+ d->baseWidget->installEventFilter(this);
+
+ d->ignoreWindowTitleChange = true;
+ bool isWindowModified = this->isWindowModified();
+ if (windowTitle().isEmpty()) {
+ d->updateWindowTitle(true);
+ isWindowModified = d->baseWidget->isWindowModified();
+ }
+ if (!this->isWindowModified() && isWindowModified
+ && windowTitle().contains(QLatin1String("[*]"))) {
+ setWindowModified(isWindowModified);
+ }
+ d->lastChildWindowTitle = d->baseWidget->windowTitle();
+ d->ignoreWindowTitleChange = false;
+
+ if (windowIcon().isNull() && !d->baseWidget->windowIcon().isNull())
+ setWindowIcon(d->baseWidget->windowIcon());
+
+ d->updateGeometryConstraints();
+ if (!wasResized && testAttribute(Qt::WA_Resized))
+ setAttribute(Qt::WA_Resized, false);
+}
+
+/*!
+ Returns the current internal widget.
+
+ \sa setWidget()
+*/
+QWidget *QMdiSubWindow::widget() const
+{
+ return d_func()->baseWidget;
+}
+
+
+/*!
+ \internal
+*/
+QWidget *QMdiSubWindow::maximizedButtonsWidget() const
+{
+ Q_D(const QMdiSubWindow);
+ if (isVisible() && d->controlContainer && isMaximized() && !d->drawTitleBarWhenMaximized()
+ && !isChildOfTabbedQMdiArea(this)) {
+ return d->controlContainer->controllerWidget();
+ }
+ return 0;
+}
+
+/*!
+ \internal
+*/
+QWidget *QMdiSubWindow::maximizedSystemMenuIconWidget() const
+{
+ Q_D(const QMdiSubWindow);
+ if (isVisible() && d->controlContainer && isMaximized() && !d->drawTitleBarWhenMaximized()
+ && !isChildOfTabbedQMdiArea(this)) {
+ return d->controlContainer->systemMenuLabel();
+ }
+ return 0;
+}
+
+/*!
+ Returns true if this window is shaded; otherwise returns false.
+
+ A window is shaded if it is collapsed so that only the title bar is
+ visible.
+*/
+bool QMdiSubWindow::isShaded() const
+{
+ return d_func()->isShadeMode;
+}
+
+/*!
+ If \a on is true, \a option is enabled on the subwindow; otherwise it is
+ disabled. See SubWindowOption for the effect of each option.
+
+ \sa SubWindowOption, testOption()
+*/
+void QMdiSubWindow::setOption(SubWindowOption option, bool on)
+{
+ Q_D(QMdiSubWindow);
+ if (on && !(d->options & option))
+ d->options |= option;
+ else if (!on && (d->options & option))
+ d->options &= ~option;
+
+#ifndef QT_NO_RUBBERBAND
+ if ((option & (RubberBandResize | RubberBandMove)) && !on && d->isInRubberBandMode)
+ d->leaveRubberBandMode();
+#endif
+}
+
+/*!
+ Returns true if \a option is enabled; otherwise returns false.
+
+ \sa SubWindowOption, setOption()
+*/
+bool QMdiSubWindow::testOption(SubWindowOption option) const
+{
+ return d_func()->options & option;
+}
+
+/*!
+ \property QMdiSubWindow::keyboardSingleStep
+ \brief sets how far a widget should move or resize when using the
+ keyboard arrow keys.
+
+ When in keyboard-interactive mode, you can use the arrow and page keys to
+ either move or resize the window. This property controls the arrow keys.
+ The common way to enter keyboard interactive mode is to enter the
+ subwindow menu, and select either "resize" or "move".
+
+ The default keyboard single step value is 5 pixels.
+
+ \sa keyboardPageStep
+*/
+int QMdiSubWindow::keyboardSingleStep() const
+{
+ return d_func()->keyboardSingleStep;
+}
+
+void QMdiSubWindow::setKeyboardSingleStep(int step)
+{
+ // Haven't done any boundary check here since negative step only
+ // means inverted behavior, which is OK if the user want it.
+ // A step equal to zero means "do nothing".
+ d_func()->keyboardSingleStep = step;
+}
+
+/*!
+ \property QMdiSubWindow::keyboardPageStep
+ \brief sets how far a widget should move or resize when using the
+ keyboard page keys.
+
+ When in keyboard-interactive mode, you can use the arrow and page keys to
+ either move or resize the window. This property controls the page
+ keys. The common way to enter keyboard interactive mode is to enter the
+ subwindow menu, and select either "resize" or "move".
+
+ The default keyboard page step value is 20 pixels.
+
+ \sa keyboardSingleStep
+*/
+int QMdiSubWindow::keyboardPageStep() const
+{
+ return d_func()->keyboardPageStep;
+}
+
+void QMdiSubWindow::setKeyboardPageStep(int step)
+{
+ // Haven't done any boundary check here since negative step only
+ // means inverted behavior, which is OK if the user want it.
+ // A step equal to zero means "do nothing".
+ d_func()->keyboardPageStep = step;
+}
+
+#ifndef QT_NO_MENU
+/*!
+ Sets \a systemMenu as the current system menu for this subwindow.
+
+ By default, each QMdiSubWindow has a standard system menu.
+
+ QActions for the system menu created by QMdiSubWindow will
+ automatically be updated depending on the current window state;
+ e.g., the minimize action will be disabled after the window is
+ minimized.
+
+ QActions added by the user are not updated by QMdiSubWindow.
+
+ QMdiSubWindow takes ownership of \a systemMenu; you do not have to
+ delete it. Any existing menus will be deleted.
+
+ \sa systemMenu(), showSystemMenu()
+*/
+void QMdiSubWindow::setSystemMenu(QMenu *systemMenu)
+{
+ Q_D(QMdiSubWindow);
+ if (systemMenu && systemMenu == d->systemMenu) {
+ qWarning("QMdiSubWindow::setSystemMenu: system menu is already set");
+ return;
+ }
+
+ if (d->systemMenu) {
+ delete d->systemMenu;
+ d->systemMenu = 0;
+ }
+
+ if (!systemMenu)
+ return;
+
+ if (systemMenu->parent() != this)
+ systemMenu->setParent(this);
+ d->systemMenu = systemMenu;
+}
+
+/*!
+ Returns a pointer to the current system menu, or zero if no system
+ menu is set. QMdiSubWindow provides a default system menu, but you can
+ also set the menu with setSystemMenu().
+
+ \sa setSystemMenu(), showSystemMenu()
+*/
+QMenu *QMdiSubWindow::systemMenu() const
+{
+ return d_func()->systemMenu;
+}
+
+/*!
+ Shows the system menu below the system menu icon in the title bar.
+
+ \sa setSystemMenu(), systemMenu()
+*/
+void QMdiSubWindow::showSystemMenu()
+{
+ Q_D(QMdiSubWindow);
+ if (!d->systemMenu)
+ return;
+
+ QPoint globalPopupPos;
+ if (QWidget *icon = maximizedSystemMenuIconWidget()) {
+ if (isLeftToRight())
+ globalPopupPos = icon->mapToGlobal(QPoint(0, icon->y() + icon->height()));
+ else
+ globalPopupPos = icon->mapToGlobal(QPoint(icon->width(), icon->y() + icon->height()));
+ } else {
+ if (isLeftToRight())
+ globalPopupPos = mapToGlobal(contentsRect().topLeft());
+ else // + QPoint(1, 0) because topRight() == QPoint(left() + width() -1, top())
+ globalPopupPos = mapToGlobal(contentsRect().topRight()) + QPoint(1, 0);
+ }
+
+ // Adjust x() with -menuwidth in reverse mode.
+ if (isRightToLeft())
+ globalPopupPos -= QPoint(d->systemMenu->sizeHint().width(), 0);
+ d->systemMenu->installEventFilter(this);
+ d->systemMenu->popup(globalPopupPos);
+}
+#endif // QT_NO_MENU
+
+/*!
+ \since 4.4
+
+ Returns the area containing this sub-window, or 0 if there is none.
+
+ \sa QMdiArea::addSubWindow()
+*/
+QMdiArea *QMdiSubWindow::mdiArea() const
+{
+ QWidget *parent = parentWidget();
+ while (parent) {
+ if (QMdiArea *area = qobject_cast<QMdiArea *>(parent)) {
+ if (area->viewport() == parentWidget())
+ return area;
+ }
+ parent = parent->parentWidget();
+ }
+ return 0;
+}
+
+/*!
+ Calling this function makes the subwindow enter the shaded mode.
+ When the subwindow is shaded, only the title bar is visible.
+
+ Although shading is not supported by all styles, this function will
+ still show the subwindow as shaded, regardless of whether support
+ for shading is available. However, when used with styles without
+ shading support, the user will be unable to return from shaded mode
+ through the user interface (e.g., through a shade button in the title
+ bar).
+
+ \sa isShaded()
+*/
+void QMdiSubWindow::showShaded()
+{
+ if (!parent())
+ return;
+
+ Q_D(QMdiSubWindow);
+ // setMinimizeMode uses this function.
+ if (!d->isShadeRequestFromMinimizeMode && isShaded())
+ return;
+
+ d->isMaximizeMode = false;
+
+ QWidget *currentFocusWidget = QApplication::focusWidget();
+ if (!d->restoreFocusWidget && isAncestorOf(currentFocusWidget))
+ d->restoreFocusWidget = currentFocusWidget;
+
+ if (!d->isShadeRequestFromMinimizeMode) {
+ d->isShadeMode = true;
+ d->ensureWindowState(Qt::WindowMinimized);
+ }
+
+#ifndef QT_NO_MENUBAR
+ d->removeButtonsFromMenuBar();
+#endif
+
+ // showMinimized() will reset Qt::WindowActive, which makes sense
+ // for top level widgets, but in MDI it makes sense to have an
+ // active window which is minimized.
+ if (hasFocus() || isAncestorOf(currentFocusWidget))
+ d->ensureWindowState(Qt::WindowActive);
+
+#ifndef QT_NO_SIZEGRIP
+ d->setSizeGripVisible(false);
+#endif
+
+ if (!d->restoreSize.isValid() || d->isShadeMode) {
+ d->oldGeometry = geometry();
+ d->restoreSize.setWidth(d->oldGeometry.width());
+ d->restoreSize.setHeight(d->oldGeometry.height());
+ }
+
+ // Hide the window before we change the geometry to avoid multiple resize
+ // events and wrong window state.
+ const bool wasVisible = isVisible();
+ if (wasVisible)
+ setVisible(false);
+
+ d->updateGeometryConstraints();
+ // Update minimum size to internalMinimumSize if set by user.
+ if (!minimumSize().isNull()) {
+ d->userMinimumSize = minimumSize();
+ setMinimumSize(d->internalMinimumSize);
+ }
+ resize(d->internalMinimumSize);
+
+ // Hide the internal widget if not already hidden by the user.
+ if (d->baseWidget && !d->baseWidget->isHidden()) {
+ d->baseWidget->hide();
+ d->isWidgetHiddenByUs = true;
+ }
+
+ if (wasVisible)
+ setVisible(true);
+
+ d->setFocusWidget();
+ d->resizeEnabled = false;
+ d->moveEnabled = true;
+ d->updateDirtyRegions();
+ d->updateMask();
+
+#ifndef QT_NO_ACTION
+ d->setEnabled(QMdiSubWindowPrivate::MinimizeAction, false);
+ d->setEnabled(QMdiSubWindowPrivate::ResizeAction, d->resizeEnabled);
+ d->setEnabled(QMdiSubWindowPrivate::MaximizeAction, true);
+ d->setEnabled(QMdiSubWindowPrivate::RestoreAction, true);
+ d->setEnabled(QMdiSubWindowPrivate::MoveAction, d->moveEnabled);
+#endif
+}
+
+/*!
+ \reimp
+*/
+bool QMdiSubWindow::eventFilter(QObject *object, QEvent *event)
+{
+ Q_D(QMdiSubWindow);
+ if (!object)
+ return QWidget::eventFilter(object, event);
+
+#ifndef QT_NO_MENU
+ // System menu events.
+ if (d->systemMenu && d->systemMenu == object) {
+ if (event->type() == QEvent::MouseButtonDblClick) {
+ close();
+ } else if (event->type() == QEvent::MouseMove) {
+ QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
+ d->hoveredSubControl = d->getSubControl(mapFromGlobal(mouseEvent->globalPos()));
+ } else if (event->type() == QEvent::Hide) {
+ d->systemMenu->removeEventFilter(this);
+ d->activeSubControl = QStyle::SC_None;
+ update(QRegion(0, 0, width(), d->titleBarHeight()));
+ }
+ return QWidget::eventFilter(object, event);
+ }
+#endif
+
+#ifndef QT_NO_SIZEGRIP
+ if (object != d->baseWidget && parent() && qobject_cast<QSizeGrip *>(object)) {
+ if (event->type() != QEvent::MouseButtonPress || !testOption(QMdiSubWindow::RubberBandResize))
+ return QWidget::eventFilter(object, event);
+ const QMouseEvent *mouseEvent = static_cast<QMouseEvent *>(event);
+ d->mousePressPosition = parentWidget()->mapFromGlobal(mouseEvent->globalPos());
+ d->oldGeometry = geometry();
+ d->currentOperation = isLeftToRight() ? QMdiSubWindowPrivate::BottomRightResize
+ : QMdiSubWindowPrivate::BottomLeftResize;
+#ifndef QT_NO_RUBBERBAND
+ d->enterRubberBandMode();
+#endif
+ return true;
+ }
+#endif
+
+ if (object != d->baseWidget && event->type() != QEvent::WindowTitleChange)
+ return QWidget::eventFilter(object, event);
+
+ switch (event->type()) {
+ case QEvent::Show:
+ d->setActive(true);
+ break;
+ case QEvent::ShowToParent:
+ if (!d->isWidgetHiddenByUs)
+ show();
+ break;
+ case QEvent::WindowStateChange: {
+ QWindowStateChangeEvent *changeEvent = static_cast<QWindowStateChangeEvent*>(event);
+ if (changeEvent->isOverride())
+ break;
+ Qt::WindowStates oldState = changeEvent->oldState();
+ Qt::WindowStates newState = d->baseWidget->windowState();
+ if (!(oldState & Qt::WindowMinimized) && (newState & Qt::WindowMinimized))
+ showMinimized();
+ else if (!(oldState & Qt::WindowMaximized) && (newState & Qt::WindowMaximized))
+ showMaximized();
+ else if (!(newState & (Qt::WindowMaximized | Qt::WindowMinimized)))
+ showNormal();
+ break;
+ }
+ case QEvent::Enter:
+ d->currentOperation = QMdiSubWindowPrivate::None;
+ d->updateCursor();
+ break;
+ case QEvent::LayoutRequest:
+ d->updateGeometryConstraints();
+ break;
+ case QEvent::WindowTitleChange:
+ if (d->ignoreWindowTitleChange)
+ break;
+ if (object == d->baseWidget) {
+ d->updateWindowTitle(true);
+ d->lastChildWindowTitle = d->baseWidget->windowTitle();
+#ifndef QT_NO_MENUBAR
+ } else if (maximizedButtonsWidget() && d->controlContainer->menuBar() && d->controlContainer->menuBar()
+ ->cornerWidget(Qt::TopRightCorner) == maximizedButtonsWidget()) {
+ d->originalTitle = QString::null;
+ if (d->baseWidget && d->baseWidget->windowTitle() == windowTitle())
+ d->updateWindowTitle(true);
+ else
+ d->updateWindowTitle(false);
+#endif
+ }
+ break;
+ case QEvent::ModifiedChange: {
+ if (object != d->baseWidget)
+ break;
+ bool windowModified = d->baseWidget->isWindowModified();
+ if (!windowModified && d->baseWidget->windowTitle() != windowTitle())
+ break;
+ if (windowTitle().contains(QLatin1String("[*]")))
+ setWindowModified(windowModified);
+ break;
+ }
+ default:
+ break;
+ }
+ return QWidget::eventFilter(object, event);
+}
+
+/*!
+ \reimp
+*/
+bool QMdiSubWindow::event(QEvent *event)
+{
+ Q_D(QMdiSubWindow);
+ switch (event->type()) {
+ case QEvent::StyleChange: {
+ bool wasShaded = isShaded();
+ bool wasMinimized = isMinimized();
+ bool wasMaximized = isMaximized();
+ ensurePolished();
+ setContentsMargins(0, 0, 0, 0);
+ if (wasMinimized || wasMaximized || wasShaded)
+ showNormal();
+ d->updateGeometryConstraints();
+ resize(d->internalMinimumSize.expandedTo(size()));
+ d->updateMask();
+ d->updateDirtyRegions();
+ if (wasShaded)
+ showShaded();
+ else if (wasMinimized)
+ showMinimized();
+ else if (wasMaximized)
+ showMaximized();
+ break;
+ }
+ case QEvent::ParentAboutToChange:
+ d->setActive(false);
+ break;
+ case QEvent::ParentChange: {
+ bool wasResized = testAttribute(Qt::WA_Resized);
+#ifndef QT_NO_MENUBAR
+ d->removeButtonsFromMenuBar();
+#endif
+ d->currentOperation = QMdiSubWindowPrivate::None;
+ d->activeSubControl = QStyle::SC_None;
+ d->hoveredSubControl = QStyle::SC_None;
+#ifndef QT_NO_RUBBERBAND
+ if (d->isInRubberBandMode)
+ d->leaveRubberBandMode();
+#endif
+ d->isShadeMode = false;
+ d->isMaximizeMode = false;
+ d->isWidgetHiddenByUs = false;
+ if (!parent()) {
+#if !defined(QT_NO_SIZEGRIP) && defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+ if (qobject_cast<QMacStyle *>(style()))
+ delete d->sizeGrip;
+#endif
+ setOption(RubberBandResize, false);
+ setOption(RubberBandMove, false);
+ } else {
+ d->setWindowFlags(windowFlags());
+ }
+ setContentsMargins(0, 0, 0, 0);
+ d->updateGeometryConstraints();
+ d->updateCursor();
+ d->updateMask();
+ d->updateDirtyRegions();
+ d->updateActions();
+ if (!wasResized && testAttribute(Qt::WA_Resized))
+ setAttribute(Qt::WA_Resized, false);
+ break;
+ }
+ case QEvent::WindowActivate:
+ if (d->ignoreNextActivationEvent) {
+ d->ignoreNextActivationEvent = false;
+ break;
+ }
+ d->isExplicitlyDeactivated = false;
+ d->setActive(true);
+ break;
+ case QEvent::WindowDeactivate:
+ if (d->ignoreNextActivationEvent) {
+ d->ignoreNextActivationEvent = false;
+ break;
+ }
+ d->isExplicitlyDeactivated = true;
+ d->setActive(false);
+ break;
+ case QEvent::WindowTitleChange:
+ if (!d->ignoreWindowTitleChange)
+ d->updateWindowTitle(false);
+ d->updateInternalWindowTitle();
+ break;
+ case QEvent::ModifiedChange:
+ if (!windowTitle().contains(QLatin1String("[*]")))
+ break;
+#ifndef QT_NO_MENUBAR
+ if (maximizedButtonsWidget() && d->controlContainer->menuBar() && d->controlContainer->menuBar()
+ ->cornerWidget(Qt::TopRightCorner) == maximizedButtonsWidget()) {
+ window()->setWindowModified(isWindowModified());
+ }
+#endif // QT_NO_MENUBAR
+ d->updateInternalWindowTitle();
+ break;
+ case QEvent::LayoutDirectionChange:
+ d->updateDirtyRegions();
+ break;
+ case QEvent::LayoutRequest:
+ d->updateGeometryConstraints();
+ break;
+ case QEvent::WindowIconChange:
+ d->menuIcon = windowIcon();
+ if (d->menuIcon.isNull())
+ d->menuIcon = style()->standardIcon(QStyle::SP_TitleBarMenuButton, 0, this);
+ if (d->controlContainer)
+ d->controlContainer->updateWindowIcon(d->menuIcon);
+ if (!maximizedSystemMenuIconWidget())
+ update(0, 0, width(), d->titleBarHeight());
+ break;
+ case QEvent::PaletteChange:
+ d->titleBarPalette = d->desktopPalette();
+ break;
+ case QEvent::FontChange:
+ d->font = font();
+ break;
+#ifndef QT_NO_TOOLTIP
+ case QEvent::ToolTip:
+ showToolTip(static_cast<QHelpEvent *>(event), this, d->titleBarOptions(),
+ QStyle::CC_TitleBar, d->hoveredSubControl);
+ break;
+#endif
+ default:
+ break;
+ }
+ return QWidget::event(event);
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::showEvent(QShowEvent *showEvent)
+{
+ Q_D(QMdiSubWindow);
+ if (!parent()) {
+ QWidget::showEvent(showEvent);
+ return;
+ }
+
+#if !defined(QT_NO_SIZEGRIP) && defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+ if (qobject_cast<QMacStyle *>(style()) && !d->sizeGrip
+ && !(windowFlags() & Qt::FramelessWindowHint)) {
+ d->setSizeGrip(new QSizeGrip(0));
+ Q_ASSERT(d->sizeGrip);
+ if (isMinimized())
+ d->setSizeGripVisible(false);
+ else
+ d->setSizeGripVisible(true);
+ resize(size().expandedTo(d->internalMinimumSize));
+ }
+#endif
+
+ d->updateDirtyRegions();
+ // Show buttons in the menu bar if they're already not there.
+ // We want to do this when QMdiSubWindow becomes visible after being hidden.
+#ifndef QT_NO_MENUBAR
+ if (d->controlContainer) {
+ if (QMenuBar *menuBar = d->menuBar()) {
+ if (menuBar->cornerWidget(Qt::TopRightCorner) != maximizedButtonsWidget())
+ d->showButtonsInMenuBar(menuBar);
+ }
+ }
+#endif
+ d->setActive(true);
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::hideEvent(QHideEvent * /*hideEvent*/)
+{
+#ifndef QT_NO_MENUBAR
+ d_func()->removeButtonsFromMenuBar();
+#endif
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::changeEvent(QEvent *changeEvent)
+{
+ if (!parent()) {
+ QWidget::changeEvent(changeEvent);
+ return;
+ }
+
+ if (changeEvent->type() != QEvent::WindowStateChange) {
+ QWidget::changeEvent(changeEvent);
+ return;
+ }
+
+ QWindowStateChangeEvent *event = static_cast<QWindowStateChangeEvent *>(changeEvent);
+ if (event->isOverride()) {
+ event->ignore();
+ return;
+ }
+
+ Qt::WindowStates oldState = event->oldState();
+ Qt::WindowStates newState = windowState();
+ if (oldState == newState) {
+ changeEvent->ignore();
+ return;
+ }
+
+ // QWidget ensures that the widget is visible _after_ setWindowState(),
+ // but we need to ensure that the widget is visible _before_
+ // setWindowState() returns.
+ Q_D(QMdiSubWindow);
+ if (!isVisible()) {
+ d->ensureWindowState(Qt::WindowNoState);
+ setVisible(true);
+ }
+
+ if (!d->oldGeometry.isValid())
+ d->oldGeometry = geometry();
+
+ if ((oldState & Qt::WindowActive) && (newState & Qt::WindowActive))
+ d->currentOperation = QMdiSubWindowPrivate::None;
+
+ if (!(oldState & Qt::WindowMinimized) && (newState & Qt::WindowMinimized))
+ d->setMinimizeMode();
+ else if (!(oldState & Qt::WindowMaximized) && (newState & Qt::WindowMaximized))
+ d->setMaximizeMode();
+ else if (!(newState & (Qt::WindowMaximized | Qt::WindowMinimized)))
+ d->setNormalMode();
+
+ if (d->isActive)
+ d->ensureWindowState(Qt::WindowActive);
+ emit windowStateChanged(oldState, windowState());
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::closeEvent(QCloseEvent *closeEvent)
+{
+ Q_D(QMdiSubWindow);
+ bool acceptClose = true;
+ if (d->baseWidget)
+ acceptClose = d->baseWidget->close();
+ if (!acceptClose) {
+ closeEvent->ignore();
+ return;
+ }
+#ifndef QT_NO_MENUBAR
+ d->removeButtonsFromMenuBar();
+#endif
+ d->setActive(false);
+ if (parentWidget() && testAttribute(Qt::WA_DeleteOnClose)) {
+ QChildEvent childRemoved(QEvent::ChildRemoved, this);
+ QApplication::sendEvent(parentWidget(), &childRemoved);
+ }
+ closeEvent->accept();
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::leaveEvent(QEvent * /*leaveEvent*/)
+{
+ Q_D(QMdiSubWindow);
+ if (d->hoveredSubControl != QStyle::SC_None) {
+ d->hoveredSubControl = QStyle::SC_None;
+ update(QRegion(0, 0, width(), d->titleBarHeight()));
+ }
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::resizeEvent(QResizeEvent *resizeEvent)
+{
+ Q_D(QMdiSubWindow);
+#ifndef QT_NO_SIZEGRIP
+ if (d->sizeGrip) {
+ d->sizeGrip->move(isLeftToRight() ? width() - d->sizeGrip->width() : 0,
+ height() - d->sizeGrip->height());
+ }
+#endif
+
+ if (!parent()) {
+ QWidget::resizeEvent(resizeEvent);
+ return;
+ }
+
+ if (d->isMaximizeMode)
+ d->ensureWindowState(Qt::WindowMaximized);
+
+ d->updateMask();
+ if (!isVisible())
+ return;
+
+ if (d->resizeTimerId <= 0)
+ d->cachedStyleOptions = d->titleBarOptions();
+ else
+ killTimer(d->resizeTimerId);
+ d->resizeTimerId = startTimer(200);
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::timerEvent(QTimerEvent *timerEvent)
+{
+ Q_D(QMdiSubWindow);
+ if (timerEvent->timerId() == d->resizeTimerId) {
+ killTimer(d->resizeTimerId);
+ d->resizeTimerId = -1;
+ d->updateDirtyRegions();
+ }
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::moveEvent(QMoveEvent *moveEvent)
+{
+ if (!parent()) {
+ QWidget::moveEvent(moveEvent);
+ return;
+ }
+
+ Q_D(QMdiSubWindow);
+ if (d->isMaximizeMode)
+ d->ensureWindowState(Qt::WindowMaximized);
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::paintEvent(QPaintEvent *paintEvent)
+{
+ if (!parent() || (windowFlags() & Qt::FramelessWindowHint)) {
+ QWidget::paintEvent(paintEvent);
+ return;
+ }
+
+ Q_D(QMdiSubWindow);
+ if (isMaximized() && !d->drawTitleBarWhenMaximized())
+ return;
+
+ if (d->resizeTimerId != -1) {
+ // Only update the style option rect and the window title.
+ int border = d->hasBorder(d->cachedStyleOptions) ? 4 : 0;
+ int titleBarHeight = d->titleBarHeight(d->cachedStyleOptions);
+ titleBarHeight -= isMinimized() ? 2 * border : border;
+ d->cachedStyleOptions.rect = QRect(border, border, width() - 2 * border, titleBarHeight);
+ if (!d->windowTitle.isEmpty()) {
+ int width = style()->subControlRect(QStyle::CC_TitleBar, &d->cachedStyleOptions,
+ QStyle::SC_TitleBarLabel, this).width();
+ d->cachedStyleOptions.text = d->cachedStyleOptions.fontMetrics
+ .elidedText(d->windowTitle, Qt::ElideRight, width);
+ }
+ } else {
+ // Force full update.
+ d->cachedStyleOptions = d->titleBarOptions();
+ }
+
+ QStylePainter painter(this);
+ if (!d->windowTitle.isEmpty())
+ painter.setFont(d->font);
+ painter.drawComplexControl(QStyle::CC_TitleBar, d->cachedStyleOptions);
+
+ if (isMinimized() && !d->hasBorder(d->cachedStyleOptions))
+ return;
+
+ QStyleOptionFrame frameOptions;
+ frameOptions.initFrom(this);
+ frameOptions.lineWidth = style()->pixelMetric(QStyle::PM_MdiSubWindowFrameWidth, 0, this);
+ if (d->isActive)
+ frameOptions.state |= QStyle::State_Active;
+ else
+ frameOptions.state &= ~QStyle::State_Active;
+
+ // ### Ensure that we do not require setting the cliprect for 4.4
+ if (!isMinimized() && !d->hasBorder(d->cachedStyleOptions))
+ painter.setClipRect(rect().adjusted(0, d->titleBarHeight(d->cachedStyleOptions), 0, 0));
+ if (!isMinimized() || d->hasBorder(d->cachedStyleOptions))
+ painter.drawPrimitive(QStyle::PE_FrameWindow, frameOptions);
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::mousePressEvent(QMouseEvent *mouseEvent)
+{
+ if (!parent()) {
+ QWidget::mousePressEvent(mouseEvent);
+ return;
+ }
+
+ Q_D(QMdiSubWindow);
+ if (d->isInInteractiveMode)
+ d->leaveInteractiveMode();
+#ifndef QT_NO_RUBBERBAND
+ if (d->isInRubberBandMode)
+ d->leaveRubberBandMode();
+#endif
+
+ if (mouseEvent->button() != Qt::LeftButton) {
+ mouseEvent->ignore();
+ return;
+ }
+
+ if (d->currentOperation != QMdiSubWindowPrivate::None) {
+ d->updateCursor();
+ d->mousePressPosition = mapToParent(mouseEvent->pos());
+ if (d->resizeEnabled || d->moveEnabled)
+ d->oldGeometry = geometry();
+#ifndef QT_NO_RUBBERBAND
+ if ((testOption(QMdiSubWindow::RubberBandResize) && d->isResizeOperation())
+ || (testOption(QMdiSubWindow::RubberBandMove) && d->isMoveOperation())) {
+ d->enterRubberBandMode();
+ }
+#endif
+ return;
+ }
+
+ d->activeSubControl = d->hoveredSubControl;
+#ifndef QT_NO_MENU
+ if (d->activeSubControl == QStyle::SC_TitleBarSysMenu)
+ showSystemMenu();
+ else
+#endif
+ update(QRegion(0, 0, width(), d->titleBarHeight()));
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::mouseDoubleClickEvent(QMouseEvent *mouseEvent)
+{
+ if (!parent()) {
+ QWidget::mouseDoubleClickEvent(mouseEvent);
+ return;
+ }
+
+ if (mouseEvent->button() != Qt::LeftButton) {
+ mouseEvent->ignore();
+ return;
+ }
+
+ Q_D(QMdiSubWindow);
+ if (!d->isMoveOperation()) {
+#ifndef QT_NO_MENU
+ if (d->hoveredSubControl == QStyle::SC_TitleBarSysMenu)
+ close();
+#endif
+ return;
+ }
+
+ Qt::WindowFlags flags = windowFlags();
+ if (isMinimized()) {
+ if ((isShaded() && (flags & Qt::WindowShadeButtonHint))
+ || (flags & Qt::WindowMinimizeButtonHint)) {
+ showNormal();
+ }
+ return;
+ }
+
+ if (isMaximized()) {
+ if (flags & Qt::WindowMaximizeButtonHint)
+ showNormal();
+ return;
+ }
+
+ if (flags & Qt::WindowShadeButtonHint)
+ showShaded();
+ else if (flags & Qt::WindowMaximizeButtonHint)
+ showMaximized();
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::mouseReleaseEvent(QMouseEvent *mouseEvent)
+{
+ if (!parent()) {
+ QWidget::mouseReleaseEvent(mouseEvent);
+ return;
+ }
+
+ if (mouseEvent->button() != Qt::LeftButton) {
+ mouseEvent->ignore();
+ return;
+ }
+
+ Q_D(QMdiSubWindow);
+ if (d->currentOperation != QMdiSubWindowPrivate::None) {
+#ifndef QT_NO_RUBBERBAND
+ if (d->isInRubberBandMode && !d->isInInteractiveMode)
+ d->leaveRubberBandMode();
+#endif
+ if (d->resizeEnabled || d->moveEnabled)
+ d->oldGeometry = geometry();
+ }
+
+ d->currentOperation = d->getOperation(mouseEvent->pos());
+ d->updateCursor();
+
+ d->hoveredSubControl = d->getSubControl(mouseEvent->pos());
+ if (d->activeSubControl != QStyle::SC_None
+ && d->activeSubControl == d->hoveredSubControl) {
+ d->processClickedSubControl();
+ }
+ d->activeSubControl = QStyle::SC_None;
+ update(QRegion(0, 0, width(), d->titleBarHeight()));
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::mouseMoveEvent(QMouseEvent *mouseEvent)
+{
+ if (!parent()) {
+ QWidget::mouseMoveEvent(mouseEvent);
+ return;
+ }
+
+ Q_D(QMdiSubWindow);
+ // No update needed if we're in a move/resize operation.
+ if (!d->isMoveOperation() && !d->isResizeOperation()) {
+ // Find previous and current hover region.
+ const QStyleOptionTitleBar options = d->titleBarOptions();
+ QStyle::SubControl oldHover = d->hoveredSubControl;
+ d->hoveredSubControl = d->getSubControl(mouseEvent->pos());
+ QRegion hoverRegion;
+ if (isHoverControl(oldHover) && oldHover != d->hoveredSubControl)
+ hoverRegion += style()->subControlRect(QStyle::CC_TitleBar, &options, oldHover, this);
+ if (isHoverControl(d->hoveredSubControl) && d->hoveredSubControl != oldHover) {
+ hoverRegion += style()->subControlRect(QStyle::CC_TitleBar, &options,
+ d->hoveredSubControl, this);
+ }
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+ if (qobject_cast<QMacStyle *>(style()) && !hoverRegion.isEmpty())
+ hoverRegion += QRegion(0, 0, width(), d->titleBarHeight(options));
+#endif
+ if (!hoverRegion.isEmpty())
+ update(hoverRegion);
+ }
+
+ if ((mouseEvent->buttons() & Qt::LeftButton) || d->isInInteractiveMode) {
+ if ((d->isResizeOperation() && d->resizeEnabled) || (d->isMoveOperation() && d->moveEnabled))
+ d->setNewGeometry(mapToParent(mouseEvent->pos()));
+ return;
+ }
+
+ // Do not resize/move if not allowed.
+ d->currentOperation = d->getOperation(mouseEvent->pos());
+ if ((d->isResizeOperation() && !d->resizeEnabled) || (d->isMoveOperation() && !d->moveEnabled))
+ d->currentOperation = QMdiSubWindowPrivate::None;
+ d->updateCursor();
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::keyPressEvent(QKeyEvent *keyEvent)
+{
+ Q_D(QMdiSubWindow);
+ if (!d->isInInteractiveMode || !parent()) {
+ keyEvent->ignore();
+ return;
+ }
+
+ QPoint delta;
+ switch (keyEvent->key()) {
+ case Qt::Key_Right:
+ if (keyEvent->modifiers() & Qt::ShiftModifier)
+ delta = QPoint(d->keyboardPageStep, 0);
+ else
+ delta = QPoint(d->keyboardSingleStep, 0);
+ break;
+ case Qt::Key_Up:
+ if (keyEvent->modifiers() & Qt::ShiftModifier)
+ delta = QPoint(0, -d->keyboardPageStep);
+ else
+ delta = QPoint(0, -d->keyboardSingleStep);
+ break;
+ case Qt::Key_Left:
+ if (keyEvent->modifiers() & Qt::ShiftModifier)
+ delta = QPoint(-d->keyboardPageStep, 0);
+ else
+ delta = QPoint(-d->keyboardSingleStep, 0);
+ break;
+ case Qt::Key_Down:
+ if (keyEvent->modifiers() & Qt::ShiftModifier)
+ delta = QPoint(0, d->keyboardPageStep);
+ else
+ delta = QPoint(0, d->keyboardSingleStep);
+ break;
+ case Qt::Key_Escape:
+ case Qt::Key_Return:
+ case Qt::Key_Enter:
+ d->leaveInteractiveMode();
+ return;
+ default:
+ keyEvent->ignore();
+ return;
+ }
+
+#ifndef QT_NO_CURSOR
+ QPoint newPosition = parentWidget()->mapFromGlobal(cursor().pos() + delta);
+ QRect oldGeometry =
+#ifndef QT_NO_RUBBERBAND
+ d->isInRubberBandMode ? d->rubberBand->geometry() :
+#endif
+ geometry();
+ d->setNewGeometry(newPosition);
+ QRect currentGeometry =
+#ifndef QT_NO_RUBBERBAND
+ d->isInRubberBandMode ? d->rubberBand->geometry() :
+#endif
+ geometry();
+ if (currentGeometry == oldGeometry)
+ return;
+
+ // Update cursor position
+
+ QPoint actualDelta;
+ if (d->isMoveOperation()) {
+ actualDelta = QPoint(currentGeometry.x() - oldGeometry.x(),
+ currentGeometry.y() - oldGeometry.y());
+ } else {
+ int dx = isLeftToRight() ? currentGeometry.width() - oldGeometry.width()
+ : currentGeometry.x() - oldGeometry.x();
+ actualDelta = QPoint(dx, currentGeometry.height() - oldGeometry.height());
+ }
+
+ // Adjust in case we weren't able to move as long as wanted.
+ if (actualDelta != delta)
+ newPosition += (actualDelta - delta);
+ cursor().setPos(parentWidget()->mapToGlobal(newPosition));
+#endif
+}
+
+#ifndef QT_NO_CONTEXTMENU
+/*!
+ \reimp
+*/
+void QMdiSubWindow::contextMenuEvent(QContextMenuEvent *contextMenuEvent)
+{
+ Q_D(QMdiSubWindow);
+ if (!d->systemMenu) {
+ contextMenuEvent->ignore();
+ return;
+ }
+
+ if (d->hoveredSubControl == QStyle::SC_TitleBarSysMenu
+ || d->getRegion(QMdiSubWindowPrivate::Move).contains(contextMenuEvent->pos())) {
+ d->systemMenu->exec(contextMenuEvent->globalPos());
+ } else {
+ contextMenuEvent->ignore();
+ }
+}
+#endif // QT_NO_CONTEXTMENU
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::focusInEvent(QFocusEvent *focusInEvent)
+{
+ d_func()->focusInReason = focusInEvent->reason();
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::focusOutEvent(QFocusEvent * /*focusOutEvent*/)
+{
+ // To avoid update() in QWidget::focusOutEvent.
+}
+
+/*!
+ \reimp
+*/
+void QMdiSubWindow::childEvent(QChildEvent *childEvent)
+{
+ if (childEvent->type() != QEvent::ChildPolished)
+ return;
+#ifndef QT_NO_SIZEGRIP
+ if (QSizeGrip *sizeGrip = qobject_cast<QSizeGrip *>(childEvent->child()))
+ d_func()->setSizeGrip(sizeGrip);
+#endif
+}
+
+/*!
+ \reimp
+*/
+QSize QMdiSubWindow::sizeHint() const
+{
+ Q_D(const QMdiSubWindow);
+ int margin, minWidth;
+ d->sizeParameters(&margin, &minWidth);
+ QSize size(2 * margin, d->titleBarHeight() + margin);
+ if (d->baseWidget && d->baseWidget->sizeHint().isValid())
+ size += d->baseWidget->sizeHint();
+ return size.expandedTo(minimumSizeHint());
+}
+
+/*!
+ \reimp
+*/
+QSize QMdiSubWindow::minimumSizeHint() const
+{
+ Q_D(const QMdiSubWindow);
+ if (isVisible())
+ ensurePolished();
+
+ // Minimized window.
+ if (parent() && isMinimized() && !isShaded())
+ return d->iconSize();
+
+ // Calculate window decoration.
+ int margin, minWidth;
+ d->sizeParameters(&margin, &minWidth);
+ int decorationHeight = margin + d->titleBarHeight();
+ int minHeight = decorationHeight;
+
+ // Shaded window.
+ if (parent() && isShaded())
+ return QSize(qMax(minWidth, width()), d->titleBarHeight());
+
+ // Content
+ if (layout()) {
+ QSize minLayoutSize = layout()->minimumSize();
+ if (minLayoutSize.isValid()) {
+ minWidth = qMax(minWidth, minLayoutSize.width() + 2 * margin);
+ minHeight += minLayoutSize.height();
+ }
+ } else if (d->baseWidget && d->baseWidget->isVisible()) {
+ QSize minBaseWidgetSize = d->baseWidget->minimumSizeHint();
+ if (minBaseWidgetSize.isValid()) {
+ minWidth = qMax(minWidth, minBaseWidgetSize.width() + 2 * margin);
+ minHeight += minBaseWidgetSize.height();
+ }
+ }
+
+#ifndef QT_NO_SIZEGRIP
+ // SizeGrip
+ int sizeGripHeight = 0;
+ if (d->sizeGrip && d->sizeGrip->isVisibleTo(const_cast<QMdiSubWindow *>(this)))
+ sizeGripHeight = d->sizeGrip->height();
+#if defined(Q_WS_MAC) && !defined(QT_NO_STYLE_MAC)
+ else if (parent() && qobject_cast<QMacStyle *>(style()) && !d->sizeGrip)
+ sizeGripHeight = style()->pixelMetric(QStyle::PM_SizeGripSize, 0, this);
+#endif
+ minHeight = qMax(minHeight, decorationHeight + sizeGripHeight);
+#endif
+
+ return QSize(minWidth, minHeight).expandedTo(QApplication::globalStrut());
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qmdisubwindow.cpp"
+#include "qmdisubwindow.moc"
+
+#endif //QT_NO_MDIAREA