Qt Buttons

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Qt Buttons

Overview

As an advanced framework for creation of GUI Qt offers variety of buttons to satisfy different fancies. The classes that implement different types of buttons inherit "QAbstractButton":http://doc.qt.nokia.com/4.7/qabstractbutton.html. QAbstractButton inherits "QWidget":http://doc.qt.nokia.com/4.7/qwidget.html and it is the abstract base class of button widgets.

Signals

QAbstractButton offers the following signals:

• void clicked ( bool checked = false )
• void pressed ()
• void released ()
• void toggled ( bool checked )

Button Types

QPushButton

"QPushButton":http://doc.qt.nokia.com/4.7/qpushbutton.html is a customizable widget for a command button. For "more information and example how to use QPushButton please read the following article":http://developer.qt.nokia.com/wiki/How_to_Use_QPushButton

push button

QCheckBox

"QCheckBox":http://doc.qt.nokia.com/4.7/qcheckbox.html is a button that look like a checkbox with a text label next to it.

checkbox

QRadioButton

"QRadioButton":http://doc.qt.nokia.com/4.7/qradiobutton.html is a radio button with a text label.

radio button

QToolButton

"QToolButton":http://doc.qt.nokia.com/4.7/qtoolbutton.html provides a quick-access button to options which are usually used inside a "QToolBar":http://doc.qt.nokia.com/4.7/qtoolbar.html

button inside toolbar

See also

"Basic Qt Programming Tutorial":http://developer.qt.nokia.com/wiki/Basic_Qt_Programming_Tutorial "How to Use QPushButton":http://developer.qt.nokia.com/wiki/How_to_Use_QPushButton