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Archived:Controlling Actions item in Qt context-sensitive menus

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[[Category:Qt]][[Category:Symbian]]
 
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|platform=S60 3rd Edition, FP1, FP2<br>S60 5th Edition
 
|platform=S60 3rd Edition, FP1, FP2<br>S60 5th Edition
 
|devices= All (S60)
 
|devices= All (S60)
|category=Qt for Symbian, 4.5.2-tower release
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|category=Qt, Symbian
 
|subcategory= UI
 
|subcategory= UI
 
|creationdate=Sept 14, 2009
 
|creationdate=Sept 14, 2009
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==Description==
 
==Description==
  
Qt for Symbian allows using a context-sensitive menu to be shown in the control pane area that changes dynamically based on the focused widget. This is done by assigning softkeys (see [http://pepper.troll.no/s60prereleases/doc/qwidget.html#setSoftKeys QWidget::setSoftKeys()] for a widget. By default, a menu item for ''Actions'' (see [http://pepper.troll.no/s60prereleases/doc/qwidget.html#actions QWidget::actions()]) is added in a focused widget's options menu.<br>
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Qt allows using a context-sensitive menu to be shown in the control pane area that changes dynamically based on the focused widget. This is done by assigning softkeys (see [http://doc.qt.nokia.com/latest/qwidget.html#setSoftKeys QWidget::setSoftKeys()] for a widget. By default, a menu item for ''Actions'' (see [http://doc.qt.nokia.com/latest/qwidget.html#actions QWidget::actions()]) is added in a focused widget's options menu.<br>
  
This behavior can be changed by controlling [http://pepper.troll.no/s60prereleases/doc/qwidget.html#contextMenuPolicy-prop context menu policy] of a widget,
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This behavior can be changed by controlling [http://doc.qt.nokia.com/latest/qwidget.html#contextMenuPolicy-prop context menu policy] of a widget,
 
a property that holds how the widget shows a context menu.
 
a property that holds how the widget shows a context menu.
 
==Preconditions==
 
 
* Download and Install latest version [[Qt for Symbian - Installation packages]] which has links on how to install the latest version
 
  
  
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[[CS001351 - Adding Options menu, panes, and icon to a Qt for Symbian application]]
 
[[CS001351 - Adding Options menu, panes, and icon to a Qt for Symbian application]]
  
[[Category:Qt]][[Category:Qt for Symbian]][[Category:How To]][[Category:Code Examples]] [[Category:Symbian]]
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[[Category:How To]][[Category:Code Examples]]

Revision as of 10:43, 4 April 2011

{{{width}}}
Article Metadata
Tested with
Devices(s): All (S60)
Compatibility
Platform(s): S60 3rd Edition, FP1, FP2
S60 5th Edition
Symbian
Article
Keywords: QWidget::setContextMenuPolicy(), QWidget::setSoftKeys()
Created: (14 Sep 2009)
Last edited: hamishwillee (04 Apr 2011)

Contents

Description

Qt allows using a context-sensitive menu to be shown in the control pane area that changes dynamically based on the focused widget. This is done by assigning softkeys (see QWidget::setSoftKeys() for a widget. By default, a menu item for Actions (see QWidget::actions()) is added in a focused widget's options menu.

This behavior can be changed by controlling context menu policy of a widget, a property that holds how the widget shows a context menu.


Source code

MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
{
textEditor = new QTextEdit(tr("Hello"), this);
 
// Set context menu policy to 'none' to prevent Actions menu from being shown
textEditor->setContextMenuPolicy(Qt::NoContextMenu);
 
// Set softkeys to text editor for a context-sensitive menu
QAction* options = new QAction(tr("Options"), this);
options->setSoftKeyRole(QAction::MenuSoftKey);
QAction* exit = new QAction(tr("Exit"), this);
exit->setSoftKeyRole(QAction::ExitSoftKey);
 
QList<QAction*> textEditorSoftKeys;
textEditorSoftKeys.append(options);
textEditorSoftKeys.append(exit);
textEditor->setSoftKeys(textEditorSoftKeys);
 
setCentralWidget(textEditor);
 
// Add any common menu items into menu bar
fileMenu = menuBar()->addMenu(tr("&File"));
exit = new QAction(tr("&Exit"), this);
fileMenu->addAction(exit);
connect(exit, SIGNAL(triggered()), this, SLOT(close()));
}

Postconditions

Text editor has a menu without any visible Actions items.

See also

CS001351 - Adding Options menu, panes, and icon to a Qt for Symbian application

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