QSplitter Class Reference
The QSplitter class implements a splitter widget.
More...
#include <qsplitter.h>
Inherits QFrame.
List of all member functions.
Public Members
enum
ResizeMode { Stretch, KeepSize, FollowSizeHint }
QSplitter ( QWidget * parent = 0, const char * name = 0 )
QSplitter ( Orientation o, QWidget * parent = 0, const char * name = 0 )
QValueList<int>
sizes () const
Properties
Orientation
orientation - the orientation of the splitter
Protected Members
virtual void
drawSplitter ( QPainter * p, QCOORD x, QCOORD y, QCOORD w, QCOORD h )
void
getRange ( int id, int * min, int * max )
Detailed Description
The QSplitter class implements a splitter widget.
A splitter lets the user control the size of child widgets by
dragging the boundary between the children. Any number of widgets
may be controlled.
To show a QListBox, a QListView and a QTextEdit side by side:
QSplitter *split = new QSplitter( parent );
QListBox *lb = new QListBox( split );
QListView *lv = new QListView( split );
QTextEdit *ed = new QTextEdit( split );
In QSplitter the boundary can be either horizontal or vertical. The
default is horizontal (the children are side by side) and you
can use setOrientation( QSplitter::Vertical ) to set it to vertical.
By default, all widgets can be as large or as small as the user
wishes, down to minimumSizeHint().
You can naturally use setMinimumSize() and/or
setMaximumSize() on the children. Use setResizeMode() to specify that
a widget should keep its size when the splitter is resized.
Although QSplitter normally resizes the children only at the end of a
resize operation, if you call setOpaqueResize( TRUE ) the
widgets are resized as often as possible.
The initial distribution of size between the widgets is determined
by the initial size of each widget. You can also use setSizes() to
set the sizes of all the widgets. The function sizes() returns the
sizes set by the user.
If you hide() a child its space will be distributed among the other
children. It will be reinstated when you show() it again.
See also QTabBar.
Member Type Documentation
QSplitter::ResizeMode
This enum type describes how QSplitter will resize each of its child widgets. The currently defined values are:
- QSplitter::Stretch - the widget will be resized when the splitter
itself is resized.
- QSplitter::KeepSize - QSplitter will try to keep this widget's size
unchanged.
- QSplitter::FollowSizeHint - QSplitter will resize the widget when its
size hint changes.
Member Function Documentation
QSplitter::QSplitter ( QWidget * parent = 0, const char * name = 0 )
Constructs a horizontal splitter with parent parent called name.
QSplitter::QSplitter ( Orientation o, QWidget * parent = 0, const char * name = 0 )
Constructs a splitter with orientation o with parent parent
called name.
QSplitter::~QSplitter ()
Destroys the splitter.
int QSplitter::adjustPos ( int p, int id ) [protected]
Returns the legal position closest to p of the splitter with id id.
See also idAfter().
void QSplitter::childEvent ( QChildEvent * c ) [virtual protected]
Tells the splitter that a child widget has been inserted/removed.
The event is passed in c.
Reimplemented from QObject.
void QSplitter::drawSplitter ( QPainter * p, QCOORD x, QCOORD y, QCOORD w, QCOORD h ) [virtual protected]
Draws the splitter handle in the rectangle described by x, y,
w, h using painter p.
See also QStyle::drawSplitter.
void QSplitter::getRange ( int id, int * min, int * max ) [protected]
Returns the valid range of the splitter with id id in min and max.
See also idAfter().
int QSplitter::idAfter ( QWidget * w ) const [protected]
Returns the id of the splitter to the right of or below the widget w,
or 0 if there is no such splitter
(i.e., it is either not in this QSplitter or it is at the end).
void QSplitter::moveSplitter ( QCOORD p, int id ) [protected]
Moves the left/top edge of the splitter handle with id id as
close as possible to p, which is the distance from the left (or
top) edge of the widget.
For hebrew and arabic the layout is reversed, and using this function
to set the position of the splitter might lead to unexpected results.
Especially, in hebrew and arabic, the position of splitter one is left of
the position of splitter zero.
See also idAfter().
void QSplitter::moveToFirst ( QWidget * w )
Moves w to the leftmost/top position.
Example: splitter/splitter.cpp.
void QSplitter::moveToLast ( QWidget * w )
Moves w to the rightmost/bottom position.
bool QSplitter::opaqueResize () const
Returns TRUE if opaque resize is on, FALSE otherwise.
See also setOpaqueResize().
Orientation QSplitter::orientation () const
Returns the orientation of the splitter.
See the "orientation" property for details.
void QSplitter::refresh ()
Updates the splitter state. You should not need to call this
function during normal use of the splitter.
void QSplitter::setOpaqueResize ( bool on = TRUE ) [virtual]
Sets opaque resize to on. Opaque resize is initially turned off.
See also opaqueResize().
Example: splitter/splitter.cpp.
void QSplitter::setOrientation ( Orientation ) [virtual]
Sets the orientation of the splitter.
See the "orientation" property for details.
void QSplitter::setResizeMode ( QWidget * w, ResizeMode mode ) [virtual]
Sets resize mode of w to mode.
See also ResizeMode.
Examples: fileiconview/mainwindow.cpp, listviews/listviews.cpp, network/ftpclient/ftpmainwindow.cpp and splitter/splitter.cpp.
void QSplitter::setRubberband ( int p ) [virtual protected]
Shows a rubber band at position p. If p is negative, the
rubber band is removed.
void QSplitter::setSizes ( QValueList<int> list )
Sets the size parameters to the values given in list.
If the splitter is horizontal, the values set the sizes from
left to right. If it is vertical, the sizes are applied from
top to bottom.
Extra values in list are ignored.
If list contains too few values, the result is undefined
but the program will still be well-behaved.
See also sizes().
QValueList<int> QSplitter::sizes () const
Returns a list of the size parameters of all the widgets in this
splitter.
Giving the values to setSizes() will give a splitter with the same
layout as this one.
See also setSizes().
Property Documentation
This property holds the orientation of the splitter.
By default the orientation is horizontal (the widgets are side by side).
Set this property's value with setOrientation() and get this property's value with orientation().
Search the documentation, FAQ, qt-interest archive and more (uses
www.trolltech.com):
This file is part of the Qt toolkit,
copyright © 1995-2001
Trolltech, all rights reserved.
Copyright © 2001 Trolltech | Trademarks
| Qt version 3.0.0-beta2
|