QWorkspace Class ReferenceThe QWorkspace widget provides a workspace window that can be used in an MDI application. Далее... #include <QWorkspace> Данный класс устарел. Он предоставлен для поддержки ранее написанного кода. Мы настоятельно не рекомендуем использовать этот класс в новом коде. Унаследован от: QWidget. Открытые типы
Свойства
Открытые функции
Переопределённые открытые функции
Открытые слоты
Сигналы
Переопределённые защищённые функции
Дополнительные унаследованные члены
Подробное описаниеThe QWorkspace widget provides a workspace window that can be used in an MDI application. Этот класс устарел. Use QMdiArea instead. Multiple Document Interface (MDI) applications are typically composed of a main window containing a menu bar, a toolbar, and a central QWorkspace widget. The workspace itself is used to display a number of child windows, each of which is a widget. The workspace itself is an ordinary Qt widget. It has a standard constructor that takes a parent widget. Workspaces can be placed in any layout, but are typically given as the central widget in a QMainWindow: MainWindow::MainWindow() { workspace = new QWorkspace; setCentralWidget(workspace); ... } Child windows (MDI windows) are standard Qt widgets that are inserted into the workspace with addWindow(). As with top-level widgets, you can call functions such as show(), hide(), showMaximized(), and setWindowTitle() on a child window to change its appearance within the workspace. You can also provide widget flags to determine the layout of the decoration or the behavior of the widget itself. To change or retrieve the geometry of a child window, you must operate on its parentWidget(). The parentWidget() provides access to the decorated frame that contains the child window widget. When a child window is maximised, its decorated frame is hidden. If the top-level widget contains a menu bar, it will display the maximised window's operations menu to the left of the menu entries, and the window's controls to the right. A child window becomes active when it gets the keyboard focus, or when setFocus() is called. The user can activate a window by moving focus in the usual ways, for example by clicking a window or by pressing Tab. The workspace emits a signal windowActivated() when the active window changes, and the function activeWindow() returns a pointer to the active child window, or 0 if no window is active. The convenience function windowList() returns a list of all child windows. This information could be used in a popup menu containing a list of windows, for example. This feature is also available as part of the Window Menu Solution. QWorkspace provides two built-in layout strategies for child windows: cascade() and tile(). Both are slots so you can easily connect menu entries to them. If you want your users to be able to work with child windows larger than the visible workspace area, set the scrollBarsEnabled property to true. See also QDockWidget and MDI Example. Описание типов-членовenum QWorkspace::WindowOrderSpecifies the order in which child windows are returned from windowList().
Описание свойствbackground : QBrushThis property holds the workspace's background. Функции доступа:
scrollBarsEnabled : boolThis property holds whether the workspace provides scroll bars. If this property is true, the workspace will provide scroll bars if any of the child windows extend beyond the edges of the visible workspace. The workspace area will automatically increase to contain child windows if they are resized beyond the right or bottom edges of the visible area. If this property is false (the default), resizing child windows out of the visible area of the workspace is not permitted, although it is still possible to position them partially outside the visible area. Функции доступа:
Описание функций-членовQWorkspace::QWorkspace ( QWidget * parent = 0 )Constructs a workspace with the given parent. QWorkspace::~QWorkspace ()Destroys the workspace and frees any allocated resources. void QWorkspace::activateNextWindow () [slot]Gives the input focus to the next window in the list of child windows. See also activatePreviousWindow(). void QWorkspace::activatePreviousWindow () [slot]Gives the input focus to the previous window in the list of child windows. See also activateNextWindow(). QWidget * QWorkspace::activeWindow () constReturns a pointer to the widget corresponding to the active child window, or 0 if no window is active. See also setActiveWindow(). QWidget * QWorkspace::addWindow ( QWidget * w, Qt::WindowFlags flags = 0 )Adds widget w as new sub window to the workspace. If flags are non-zero, they will override the flags set on the widget. Returns the widget used for the window frame. To remove the widget w from the workspace, simply call setParent() with the new parent (or 0 to make it a stand-alone window). void QWorkspace::arrangeIcons () [slot]Arranges all iconified windows at the bottom of the workspace. See also cascade() and tile(). void QWorkspace::cascade () [slot]Arranges all the child windows in a cascade pattern. See also tile() and arrangeIcons(). void QWorkspace::changeEvent ( QEvent * ev ) [virtual protected]Переопределено от QWidget::changeEvent(). void QWorkspace::childEvent ( QChildEvent * e ) [virtual protected]Переопределено из QObject::childEvent(). void QWorkspace::closeActiveWindow () [slot]Closes the child window that is currently active. See also closeAllWindows(). void QWorkspace::closeAllWindows () [slot]Closes all child windows. If any child window fails to accept the close event, the remaining windows will remain open. See also closeActiveWindow(). bool QWorkspace::event ( QEvent * e ) [virtual protected]Переопределено от QObject::event(). bool QWorkspace::eventFilter ( QObject * o, QEvent * e ) [virtual protected]Переопределено из QObject::eventFilter(). void QWorkspace::hideEvent ( QHideEvent * e ) [virtual protected]Переопределено из QWidget::hideEvent(). void QWorkspace::paintEvent ( QPaintEvent * e ) [virtual protected]Переопределено от QWidget::paintEvent(). void QWorkspace::resizeEvent ( QResizeEvent * ) [virtual protected]Переопределено от QWidget::resizeEvent(). void QWorkspace::setActiveWindow ( QWidget * w ) [slot]Makes the child window that contains w the active child window. See also activeWindow(). void QWorkspace::showEvent ( QShowEvent * e ) [virtual protected]Переопределено от QWidget::showEvent(). QSize QWorkspace::sizeHint () const [virtual]Переопределено от QWidget::sizeHint(). void QWorkspace::tile () [slot]Arranges all child windows in a tile pattern. See also cascade() and arrangeIcons(). void QWorkspace::wheelEvent ( QWheelEvent * e ) [virtual protected]Переопределено из QWidget::wheelEvent(). void QWorkspace::windowActivated ( QWidget * w ) [signal]This signal is emitted when the child window w becomes active. Note that w can be 0, and that more than one signal may be emitted for a single activation event. See also activeWindow() and windowList(). QWidgetList QWorkspace::windowList ( WindowOrder order = CreationOrder ) constReturns a list of all visible or minimized child windows. If order is CreationOrder (the default), the windows are listed in the order in which they were inserted into the workspace. If order is StackingOrder, the windows are listed in their stacking order, with the topmost window as the last item in the list. |
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