1 | /****************************************************************************
|
---|
2 | **
|
---|
3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
|
---|
4 | ** All rights reserved.
|
---|
5 | ** Contact: Nokia Corporation ([email protected])
|
---|
6 | **
|
---|
7 | ** This file is part of the documentation of the Qt Toolkit.
|
---|
8 | **
|
---|
9 | ** $QT_BEGIN_LICENSE:FDL$
|
---|
10 | ** Commercial Usage
|
---|
11 | ** Licensees holding valid Qt Commercial licenses may use this file in
|
---|
12 | ** accordance with the Qt Commercial License Agreement provided with the
|
---|
13 | ** Software or, alternatively, in accordance with the terms contained in a
|
---|
14 | ** written agreement between you and Nokia.
|
---|
15 | **
|
---|
16 | ** GNU Free Documentation License
|
---|
17 | ** Alternatively, this file may be used under the terms of the GNU Free
|
---|
18 | ** Documentation License version 1.3 as published by the Free Software
|
---|
19 | ** Foundation and appearing in the file included in the packaging of this
|
---|
20 | ** file.
|
---|
21 | **
|
---|
22 | ** If you have questions regarding the use of this file, please contact
|
---|
23 | ** Nokia at [email protected].
|
---|
24 | ** $QT_END_LICENSE$
|
---|
25 | **
|
---|
26 | ****************************************************************************/
|
---|
27 |
|
---|
28 | /*!
|
---|
29 | \example mainwindows/menus
|
---|
30 | \title Menus Example
|
---|
31 |
|
---|
32 | The Menus example demonstrates how menus can be used in a main
|
---|
33 | window application.
|
---|
34 |
|
---|
35 | A menu widget can be either a pull-down menu in a menu bar or a
|
---|
36 | standalone context menu. Pull-down menus are shown by the menu bar
|
---|
37 | when the user clicks on the respective item or presses the
|
---|
38 | specified shortcut key. Context menus are usually invoked by some
|
---|
39 | special keyboard key or by right-clicking.
|
---|
40 |
|
---|
41 | \image menus-example.png
|
---|
42 |
|
---|
43 | A menu consists of a list of \e action items. In applications,
|
---|
44 | many common commands can be invoked via menus, toolbar buttons as
|
---|
45 | well as keyboard shortcuts. Since the user expects the commands to
|
---|
46 | be performed in the same way, regardless of the user interface
|
---|
47 | used, it is useful to represent each command as an action.
|
---|
48 |
|
---|
49 | The Menus example consists of one single class, \c MainWindow, derived
|
---|
50 | from the QMainWindow class. When choosing one of the
|
---|
51 | action items in our application, it will display the item's path
|
---|
52 | in its central widget.
|
---|
53 |
|
---|
54 | \section1 MainWindow Class Definition
|
---|
55 |
|
---|
|
---|