Eneboo - Documentación para desarrolladores
Señales | Métodos públicos | Slots protegidos | Métodos protegidos | Propiedades
Referencia de la Clase QButtonGroup

The QButtonGroup widget organizes QButton widgets in a group. Más...

#include <qbuttongroup.h>

Diagrama de herencias de QButtonGroup
QGroupBox QGroupBox QFrame QFrame QFrame QFrame QWidget QWidget QWidget QWidget QWidget QWidget QWidget QWidget QHButtonGroup QHButtonGroup QVButtonGroup QVButtonGroup

Lista de todos los miembros.

Señales

void pressed (int id)
void released (int id)
void clicked (int id)
void pressed (int id)
void released (int id)
void clicked (int id)

Métodos públicos

 QButtonGroup (QWidget *parent=0, const char *name=0)
 QButtonGroup (const QString &title, QWidget *parent=0, const char *name=0)
 QButtonGroup (int columns, Orientation o, QWidget *parent=0, const char *name=0)
 QButtonGroup (int columns, Orientation o, const QString &title, QWidget *parent=0, const char *name=0)
 ~QButtonGroup ()
bool isExclusive () const
bool isRadioButtonExclusive () const
virtual void setExclusive (bool)
virtual void setRadioButtonExclusive (bool)
int insert (QButton *, int id=-1)
void remove (QButton *)
QButtonfind (int id) const
int id (QButton *) const
int count () const
virtual void setButton (int id)
virtual void moveFocus (int)
QButtonselected () const
int selectedId () const
 QButtonGroup (QWidget *parent=0, const char *name=0)
 QButtonGroup (const QString &title, QWidget *parent=0, const char *name=0)
 QButtonGroup (int columns, Orientation o, QWidget *parent=0, const char *name=0)
 QButtonGroup (int columns, Orientation o, const QString &title, QWidget *parent=0, const char *name=0)
 ~QButtonGroup ()
bool isExclusive () const
bool isRadioButtonExclusive () const
virtual void setExclusive (bool)
virtual void setRadioButtonExclusive (bool)
int insert (QButton *, int id=-1)
void remove (QButton *)
QButtonfind (int id) const
int id (QButton *) const
int count () const
virtual void setButton (int id)
virtual void moveFocus (int)
QButtonselected () const
int selectedId () const

Slots protegidos

void buttonPressed ()
void buttonReleased ()
void buttonClicked ()
void buttonToggled (bool on)
void buttonPressed ()
void buttonReleased ()
void buttonClicked ()
void buttonToggled (bool on)

Métodos protegidos

bool event (QEvent *e)
bool event (QEvent *e)

Propiedades

bool exclusive
 whether the button group is exclusive
bool radioButtonExclusive
 whether the radio buttons in the group are exclusive
int selectedId
 the selected toggle button

Descripción detallada

The QButtonGroup widget organizes QButton widgets in a group.

A button group widget makes it easier to deal with groups of buttons. Each button in a button group has a unique identifier. The button group emits a clicked() signal with this identifier when a button in the group is clicked. This makes a button group particularly useful when you have several similar buttons and want to connect all their clicked() signals to a single slot.

An exclusive button group switches off all toggle buttons except the one that was clicked. A button group is, by default, non-exclusive. Note that all radio buttons that are inserted into a button group are mutually exclusive even if the button group is non-exclusive. (See setRadioButtonExclusive().)

There are two ways of using a button group: The button group is the parent widget of a number of buttons, i.e. the button group is the parent argument in the button constructor. The buttons are assigned identifiers 0, 1, 2, etc., in the order they are created. A QButtonGroup can display a frame and a title because it inherits QGroupBox. The button group is an invisible widget and the contained buttons have some other parent widget. In this usage, each button must be manually inserted, using insert(), into the button group and given an identifier.

A button can be removed from the group with remove(). A pointer to a button with a given id can be obtained using find(). The id of a button is available using id(). A button can be set on with setButton(). The number of buttons in the group is returned by count().

qbttngrp-m.png
qbttngrp-w.png
Ver también:
QPushButton, QCheckBox, QRadioButton

Documentación del constructor y destructor

QButtonGroup::QButtonGroup ( QWidget parent = 0,
const char *  name = 0 
)

Constructs a button group with no title.

The parent and name arguments are passed to the QWidget constructor.

QButtonGroup::QButtonGroup ( const QString title,
QWidget parent = 0,
const char *  name = 0 
)

Constructs a button group with the title title.

The parent and name arguments are passed to the QWidget constructor.

QButtonGroup::QButtonGroup ( int  strips,
Orientation  orientation,
QWidget parent = 0,
const char *  name = 0 
)

Constructs a button group 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.

QButtonGroup::QButtonGroup ( int  strips,
Orientation  orientation,
const QString title,
QWidget parent = 0,
const char *  name = 0 
)

Constructs a button group with title 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.

QButtonGroup::~QButtonGroup ( )
QButtonGroup::QButtonGroup ( QWidget parent = 0,
const char *  name = 0 
)
QButtonGroup::QButtonGroup ( const QString title,
QWidget parent = 0,
const char *  name = 0 
)
QButtonGroup::QButtonGroup ( int  columns,
Orientation  o,
QWidget parent = 0,
const char *  name = 0 
)
QButtonGroup::QButtonGroup ( int  columns,
Orientation  o,
const QString title,
QWidget parent = 0,
const char *  name = 0 
)
QButtonGroup::~QButtonGroup ( )

Documentación de las funciones miembro

void QButtonGroup::buttonClicked ( ) [protected, slot]
void QButtonGroup::buttonClicked ( ) [protected, slot]
void QButtonGroup::buttonPressed ( ) [protected, slot]
void QButtonGroup::buttonPressed ( ) [protected, slot]
void QButtonGroup::buttonReleased ( ) [protected, slot]
void QButtonGroup::buttonReleased ( ) [protected, slot]
void QButtonGroup::buttonToggled ( bool  on) [protected, slot]
void QButtonGroup::buttonToggled ( bool  on) [protected, slot]
void QButtonGroup::clicked ( int  id) [signal]
void QButtonGroup::clicked ( int  id) [signal]

This signal is emitted when a button in the group is clicked. The id argument is the button's identifier.

Ver también:
insert()
int QButtonGroup::count ( ) const

Returns the number of buttons in the group.

int QButtonGroup::count ( ) const
bool QButtonGroup::event ( QEvent e) [protected, virtual]

Reimplementado de QGroupBox.

bool QButtonGroup::event ( QEvent e) [protected, virtual]

Reimplementado de QGroupBox.

QButton * QButtonGroup::find ( int  id) const

Returns the button with the specified identifier id, or 0 if the button was not found.

QButton* QButtonGroup::find ( int  id) const
int QButtonGroup::id ( QButton button) const

Returns the id of button, or -1 if button is not a member of this group.

Ver también:
selectedId();
int QButtonGroup::id ( QButton ) const
int QButtonGroup::insert ( QButton ,
int  id = -1 
)
int QButtonGroup::insert ( QButton button,
int  id = -1 
)

Inserts the button with the identifier id into the button group. Returns the button identifier.

Buttons are normally inserted into a button group automatically by passing the button group as the parent when the button is constructed. So it is not necessary to manually insert buttons that have this button group as their parent widget. An exception is when you want custom identifiers instead of the default 0, 1, 2, etc., or if you want the buttons to have some other parent.

The button is assigned the identifier id or an automatically generated identifier. It works as follows: If id >= 0, this identifier is assigned. If id == -1 (default), the identifier is equal to the number of buttons in the group. If id is any other negative integer, for instance -2, a unique identifier (negative integer <= -2) is generated. No button has an id of -1.

Ver también:
find(), remove(), setExclusive()
bool QButtonGroup::isExclusive ( ) const
bool QButtonGroup::isExclusive ( ) const
bool QButtonGroup::isRadioButtonExclusive ( ) const [inline]
bool QButtonGroup::isRadioButtonExclusive ( ) const [inline]
virtual void QButtonGroup::moveFocus ( int  ) [virtual]
void QButtonGroup::moveFocus ( int  key) [virtual]

Moves the keyboard focus according to key, and if appropriate checks the new focus item.

This function does nothing unless the keyboard focus points to one of the button group members and key is one of Key_Up, Key_Down, Key_Left and Key_Right.

void QButtonGroup::pressed ( int  id) [signal]

This signal is emitted when a button in the group is pressed. The id argument is the button's identifier.

Ver también:
insert()
void QButtonGroup::pressed ( int  id) [signal]
void QButtonGroup::released ( int  id) [signal]
void QButtonGroup::released ( int  id) [signal]

This signal is emitted when a button in the group is released. The id argument is the button's identifier.

Ver también:
insert()
void QButtonGroup::remove ( QButton )
void QButtonGroup::remove ( QButton button)

Removes the button from the button group.

Ver también:
insert()
QButton * QButtonGroup::selected ( ) const

Returns the selected toggle button if exactly one is selected; otherwise returns 0.

Ver también:
selectedId()
QButton* QButtonGroup::selected ( ) const
int QButtonGroup::selectedId ( ) const
int QButtonGroup::selectedId ( ) const
virtual void QButtonGroup::setButton ( int  id) [virtual]
void QButtonGroup::setButton ( int  id) [virtual]
virtual void QButtonGroup::setExclusive ( bool  ) [virtual]
void QButtonGroup::setExclusive ( bool  enable) [virtual]
void QButtonGroup::setRadioButtonExclusive ( bool  on) [virtual]
virtual void QButtonGroup::setRadioButtonExclusive ( bool  ) [virtual]

Documentación de propiedades

bool QButtonGroup::exclusive [read, write]

whether the button group is exclusive

If this property is TRUE, then the buttons in the group are toggled, and to untoggle a button you must click on another button in the group. The default value is FALSE.

bool QButtonGroup::radioButtonExclusive [read, write]

whether the radio buttons in the group are exclusive

If this property is TRUE (the default), the radiobuttons in the group are treated exclusively.

int QButtonGroup::selectedId [read, write]

the selected toggle button

The toggle button is specified as an ID.

If no toggle button is selected, this property holds -1.

If setButton() is called on an exclusive group, the button with the given id will be set to on and all the others will be set to off.

Ver también:
selected()

La documentación para esta clase fue generada a partir de los siguientes ficheros:
 Todo Clases Namespaces Archivos Funciones Variables 'typedefs' Enumeraciones Valores de enumeraciones Propiedades Amigas 'defines'