Q3TimeEdit Class

The Q3TimeEdit class provides a time editor. 更多...

头: #include <Q3TimeEdit>
继承: Q3DateTimeEditBase

公共类型

enum 显示 { Hours, Minutes, Seconds, AMPM }

特性

公共函数

Q3TimeEdit (QWidget * parent = 0, const char * name = 0)
Q3TimeEdit (const QTime & time , QWidget * parent = 0, const char * name = 0)
~Q3TimeEdit ()
bool autoAdvance () const
uint display () const
QTime maxValue () const
QTime minValue () const
QString separator () const
virtual void setAutoAdvance (bool advance )
void setDisplay (uint disp )
virtual void setMaxValue (const QTime & d )
virtual void setMinValue (const QTime & d )
virtual void setRange (const QTime & min , const QTime & max )
virtual void setSeparator (const QString & s )
QTime time () const

重实现公共函数

virtual QSize minimumSizeHint () const
virtual QSize sizeHint () const

公共槽

virtual void setTime (const QTime & time )

信号

void valueChanged (const QTime & time )

保护函数

virtual void setHour (int h )
virtual void setMinute (int m )
virtual void setSecond (int s )

重实现保护函数

virtual bool event (QEvent * e )
virtual void resizeEvent (QResizeEvent *)
virtual QString sectionFormattedText (int sec )
virtual void timerEvent (QTimerEvent * e )

额外继承成员

详细描述

The Q3TimeEdit class provides a time editor.

Q3TimeEdit allows the user to edit times by using the keyboard or the arrow keys to increase/decrease time values. The arrow keys can be used to move from section to section within the Q3TimeEdit box. The user can automatically be moved to the next section once they complete a section using setAutoAdvance (). Times appear in hour, minute, second order. It is recommended that the Q3TimeEdit is initialised with a time, e.g.

QTime timeNow = QTime::currentTime();
Q3TimeEdit *timeEdit = new Q3TimeEdit(timeNow, this);
timeEdit->setRange(timeNow, timeNow.addSecs(60 * 60));
					

Here we've created a Q3TimeEdit widget set to the current time. We've also set the minimum value to the current time and the maximum time to one hour from now.

The maximum and minimum values for a time value in the time editor default to the maximum and minimum values for a QTime . You can change this by calling setMinValue (), setMaxValue () 或 setRange ().

Terminology: A QTimeWidget consists of three sections, one each for the hour, minute and second. You can change the separator character using setSeparator (), by default the separator is read from the system's settings.

Date Time Widgets

另请参阅 QTime , Q3DateEdit ,和 Q3DateTimeEdit .

成员类型文档编制

enum Q3TimeEdit:: 显示

This enum defines the sections that comprise a time

常量 描述
Q3TimeEdit::Hours 0x01 The hours section
Q3TimeEdit::Minutes 0x02 The minutes section
Q3TimeEdit::Seconds 0x04 The seconds section
Q3TimeEdit::AMPM 0x10 The AM/PM section

The values can be or'ed together to show any combination.

特性文档编制

autoAdvance : bool

This property holds whether the editor automatically advances to the next section.

If autoAdvance is true, the editor will automatically advance focus to the next time section if a user has completed a section. The default is false.

访问函数:

bool autoAdvance () const
virtual void setAutoAdvance (bool advance )

display : 显示

This property holds the sections that are displayed in the time edit.

The value can be any combination of the values in the Display enum. By default, the widget displays hours, minutes and seconds.

访问函数:

uint display () const
void setDisplay (uint disp )

maxValue : QTime

This property holds the maximum time value.

Setting the maximum time value is equivalent to calling Q3TimeEdit::setRange ( minValue (), t ), where t is the maximum time. The default maximum time is 23:59:59.

访问函数:

QTime maxValue () const
virtual void setMaxValue (const QTime & d )

另请参阅 minValue and setRange ().

minValue : QTime

This property holds the minimum time value.

Setting the minimum time value is equivalent to calling Q3TimeEdit::setRange ( t , maxValue ()), where t is the minimum time. The default minimum time is 00:00:00.

访问函数:

QTime minValue () const
virtual void setMinValue (const QTime & d )

另请参阅 maxValue and setRange ().

time : QTime

This property holds the editor's time value.

When changing the time property, if the time is less than minValue (), or is greater than maxValue (), nothing happens.

访问函数:

QTime time () const
virtual void setTime (const QTime & time )

成员函数文档编制

Q3TimeEdit:: Q3TimeEdit ( QWidget * parent = 0, const char * name = 0)

Constructs an empty time edit with parent parent and called name .

Q3TimeEdit:: Q3TimeEdit (const QTime & time , QWidget * parent = 0, const char * name = 0)

这是重载函数。

Constructs a time edit with the initial time value, time , parent parent and called name .

Q3TimeEdit:: ~Q3TimeEdit ()

销毁对象并释放任何分配资源。

[virtual protected] bool Q3TimeEdit:: event ( QEvent * e )

重实现自 QObject::event ().

[虚拟] QSize Q3TimeEdit:: minimumSizeHint () const

重实现自 QWidget::minimumSizeHint ().

[virtual protected] void Q3TimeEdit:: resizeEvent ( QResizeEvent *)

重实现自 QWidget::resizeEvent ().

[virtual protected] QString Q3TimeEdit:: sectionFormattedText ( int sec )

Returns the formatted number for section sec . This will correspond to either the hour, minute or second section, depending on sec .

QString Q3TimeEdit:: separator () const

Returns the editor's separator.

另请参阅 setSeparator ().

[virtual protected] void Q3TimeEdit:: setHour ( int h )

Sets the hour to h , which must be a valid hour, i.e. in the range 0..24.

[virtual protected] void Q3TimeEdit:: setMinute ( int m )

Sets the minute to m , which must be a valid minute, i.e. in the range 0..59.

[虚拟] void Q3TimeEdit:: setRange (const QTime & min , const QTime & max )

Sets the valid input range for the editor to be from min to max inclusive. If min is invalid no minimum time is set. Similarly, if max is invalid no maximum time is set.

[virtual protected] void Q3TimeEdit:: setSecond ( int s )

Sets the second to s , which must be a valid second, i.e. in the range 0..59.

[虚拟] void Q3TimeEdit:: setSeparator (const QString & s )

Sets the separator to s . Note that currently only the first character of s 被使用。

另请参阅 separator ().

[虚拟] QSize Q3TimeEdit:: sizeHint () const

重实现自 QWidget::sizeHint ().

[virtual protected] void Q3TimeEdit:: timerEvent ( QTimerEvent * e )

重实现自 QObject::timerEvent ().

[signal] void Q3TimeEdit:: valueChanged (const QTime & time )

This signal is emitted whenever the editor's value changes. The time parameter is the new value.