Archived:Handle change in screen orientation in Qt

Article Metadata

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Tested with

Devices(s): Nokia 5800 XpressMusic

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Compatibility

Platform(s): S60 3rd Edition, FP1, FP2
S60 5th Edition

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Article

Keywords: QWidget::resizeEvent()

Created: (26 Jun 2009)

Last edited: jimgilmour1 (01 Nov 2009)

Overview

This code snippets shows how to get notification screen mode from portrait to landscape and vise-versa. Sometime we need to resize our custom control with change in screen mode. Basically QWidget::resizeEvent() get called when user change screen mode, so you have to implement that virtual method in your class.

This snippet can be self-signed. As it does not use any API which require developer/symbian signed certificate.

Preconditions

• Download and Install latest version Qt for Symbian - Installation packages which has links on how to install the latest version

Source

//resizeEvent() method get called when user change screen mode.
void ResizeEvent::resizeEvent (QResizeEvent* event)
{
    QSize widgetSize = event->size();
	//Resize your custom control according to new size.
    QMainWindow::resizeEvent(event);
}

Postconditions

The code snippet is expected to notify change in screen mode.

Normal screen

Screen after changing mode to portrait

Related link

• CS001437 - Listening for screen orientation changes in Qt

Download Code Example

• The Code Example show new screen size when user change screen mode. This example is tested on Nokia 5800 XpressMusic.