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Q3GroupBox Class ReferenceThe Q3GroupBox widget provides a group box frame with a title. More... #include <Q3GroupBox>This class is part of the Qt 3 support library. It is provided to keep old source code working. We strongly advise against using it in new code. See Porting to Qt 4 for more information. Inherits: QGroupBox. Inherited by: Q3ButtonGroup, Q3HGroupBox, and Q3VGroupBox. Properties
Public Functions
Reimplemented Protected Functions
Additional Inherited Members
Detailed DescriptionThe Q3GroupBox widget provides a group box frame with a title. A group box provides a frame, a title and a keyboard shortcut, and displays various other widgets inside itself. The title is on top, the keyboard shortcut moves keyboard focus to one of the group box's child widgets, and the child widgets are usually laid out horizontally (or vertically) inside the frame. The simplest way to use it is to create a group box with the desired number of columns (or rows) and orientation, and then just create widgets with the group box as parent. It is also possible to change the orientation() and number of columns() after construction, or to ignore all the automatic layout support and manage the layout yourself. You can add 'empty' spaces to the group box with addSpace(). Q3GroupBox also lets you set the title() (normally set in the constructor) and the title's alignment(). You can change the spacing used by the group box with setInsideMargin() and setInsideSpacing(). To minimize space consumption, you can remove the right, left and bottom edges of the frame with setFlat(). See also QButtonGroup. Property Documentation
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| int | columns () const |
| void | setColumns ( int ) |
frameRect : const QRect
This property holds the bounding rectangle of the frame of the group box.
frameShadow : FrameShape
This property holds the frame shadow value from the frame style.
Access functions:
| FrameShape | frameShadow () const |
| void | setFrameShadow ( FrameShape ) |
See also frameStyle().
frameShape : FrameShape
This property holds the frame shape value from the frame style.
Access functions:
| FrameShape | frameShape () const |
| void | setFrameShape ( FrameShape ) |
See also frameStyle() and frameShadow().
lineWidth : int
This property holds this property holds the width of the line.
Access functions:
| int | lineWidth () const |
| void | setLineWidth ( int ) |
See also frameStyle() and frameShadow().
margin : int
This property holds the width of the margin around the contents of the group box.
Access functions:
| int | margin () const |
| void | setMargin ( int margin ) |
midLineWidth : int
This property holds this property holds the width of the mid-line.
Access functions:
| int | midLineWidth () const |
| void | setMidLineWidth ( int ) |
See also frameStyle() and frameShadow().
orientation : Qt::Orientation
This property holds the group box's orientation.
A horizontal group box arranges its children in columns, while a vertical group box arranges them in rows.
Usually it is not a good idea to set this property because it is slow (it does a complete layout). It is better to set the orientation directly in the constructor.
Access functions:
| Qt::Orientation | orientation () const |
| void | setOrientation ( Qt::Orientation ) |
Member Function Documentation
Q3GroupBox::Q3GroupBox ( QWidget * parent = 0, const char * name = 0 )
Constructs a group box widget with no title.
The parent and name arguments are passed to the QWidget constructor.
This constructor does not do automatic layout.
Q3GroupBox::Q3GroupBox ( const QString & title, QWidget * parent = 0, const char * name = 0 )
Constructs a group box with the title title.
The parent and name arguments are passed to the QWidget constructor.
This constructor does not do automatic layout.
Q3GroupBox::Q3GroupBox ( int strips, Qt::Orientation orientation, QWidget * parent = 0, const char * name = 0 )
Constructs a group box with no title. Child widgets will be arranged in strips rows or columns (depending on orientation).
The parent and name arguments are passed to the QWidget constructor.
Q3GroupBox::Q3GroupBox ( int strips, Qt::Orientation orientation, const QString & title, QWidget * parent = 0, const char * name = 0 )
Constructs a group box titled title. Child widgets will be arranged in strips rows or columns (depending on orientation).
The parent and name arguments are passed to the QWidget constructor.
Q3GroupBox::~Q3GroupBox ()
Destroys the group box.
void Q3GroupBox::addSpace ( int size )
Adds an empty cell at the next free position. If size is greater than 0, the empty cell takes size to be its fixed width (if orientation() is Horizontal) or height (if orientation() is Vertical).
Use this method to separate the widgets in the group box or to skip the next free cell. For performance reasons, call this method after calling setColumnLayout() or by changing the Q3GroupBox::columns or Q3GroupBox::orientation properties. It is generally a good idea to call these methods first (if needed at all), and insert the widgets and spaces afterwards.
void Q3GroupBox::changeEvent ( QEvent * ev ) [virtual protected]
Reimplemented from QWidget::changeEvent().
void Q3GroupBox::childEvent ( QChildEvent * c ) [virtual protected]
Reimplemented from QObject::childEvent().
bool Q3GroupBox::event ( QEvent * e ) [virtual protected]
Reimplemented from QObject::event().
int Q3GroupBox::frameStyle () const
Returns the frame style.
See also setFrameStyle().
int Q3GroupBox::insideMargin () const
Returns the width of the empty space between the items in the group and the frame of the group.
Only applies if the group box has a defined orientation.
The default is usually 11, by may vary depending on the platform and style.
See also setInsideMargin() and orientation.
int Q3GroupBox::insideSpacing () const
Returns the width of the empty space between each of the items in the group.
Only applies if the group box has a defined orientation.
The default is usually 5, by may vary depending on the platform and style.
See also setInsideSpacing() and orientation.
void Q3GroupBox::resizeEvent ( QResizeEvent * e ) [virtual protected]
Reimplemented from QWidget::resizeEvent().
void Q3GroupBox::setColumnLayout ( int strips, Qt::Orientation direction ) [virtual]
Changes the layout of the group box. This function is only useful in combination with the default constructor that does not take any layout information. This function will put all existing children in the new layout. It is not good Qt programming style to call this function after children have been inserted. Sets the number of columns or rows to be strips, depending on direction.
See also orientation and columns.
void Q3GroupBox::setFrameStyle ( int style )
Sets the frame style to style. The style is the bitwise OR between a frame shape and a frame shadow style.
See also frameStyle().
void Q3GroupBox::setInsideMargin ( int m )
Sets the width of the inside margin to m pixels.
See also insideMargin().
void Q3GroupBox::setInsideSpacing ( int s )
Sets the width of the empty space between each of the items in the group to s pixels.
See also insideSpacing().