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Archived:Changing QWidget background colour

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{{KBCS}}
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[[Category:Qt C++ UI]][[Category:UI]][[Category:Code Snippet]][[Category:MeeGo Harmattan]][[Category:Symbian]][[Category:Qt]]
{{CodeSnippet
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{{Archived|timestamp=20120608062046|user=[[User:Hamishwillee|<br />----]]|[[:Category:Qt Quick|Qt Quick]] should be used for all UI development on mobile devices. The approach described in this article (using C++ for the Qt app UI) is deprecated.}}
|id=CS001348
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{{Abstract|This code snippet shows how to change the {{Qapiname|QWidget}} background colour.}}
|platform=S60 3rd Edition, FP1, FP2<br>S60 5th Edition
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{{ArticleMetaData <!-- v1.2 -->
|devices=Nokia 5800 XpressMusic
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|category=Qt for S60
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|installfile= <!-- Link to installation file (e.g. [[Media:The Installation File.sis]]) -->
|subcategory=UI, Graphics
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|devices= Nokia 5800 XpressMusic
|creationdate=April 29, 2009
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|sdk= <!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
|keywords=QPalette
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|platform= S60 3rd Edition, FP1, FP2<br>S60 5th Edition
 +
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==Overview==
 
 
This code snippets shows how to change the QWidget background colour.
 
 
'''Note''': In order to use this code, you need to have Qt for S60 installed on your platform.
 
 
 
==Preconditions==
 
 
* Install the Qt for S60 Garden release from here: [http://pepper.troll.no/s60prereleases/ Qt for S60 "Garden" pre-release]
 
* Check the installation guide: [http://pepper.troll.no/s60prereleases/doc/install-s60.html How to install the package]
 
 
  
 
== Main function ==
 
== Main function ==
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==Source==
 
==Source==
Change the background colour of the <tt>QWidget</tt>.
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Change the background colour of the {{Icode|QWidget}}.
<code cpp>
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<code cpp-qt>
 
#include <QPalette>
 
#include <QPalette>
  
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==See also==
 
==See also==
For more information, see [http://pepper.troll.no/s60prereleases/doc/qpalette.html QPalette].
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For more information, see [http://doc.qt.nokia.com/latest/qpalette.html QPalette].
  
 
==Postconditions==
 
==Postconditions==
The background colour <tt>QWidget</tt> is black.
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The background colour {{Icode|QWidget}} is black.
 
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[[Category:Qt]][[Category:Qt for S60]][[Category:Code Examples]][[Category:UI]]
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Latest revision as of 09:07, 17 October 2012

Archived.pngArchived: This article is archived because it is not considered relevant for third-party developers creating commercial solutions today. If you think this article is still relevant, let us know by adding the template {{ReviewForRemovalFromArchive|user=~~~~|write your reason here}}.

Qt Quick should be used for all UI development on mobile devices. The approach described in this article (using C++ for the Qt app UI) is deprecated.

This code snippet shows how to change the QWidget background colour.

Article Metadata
Tested with
Devices(s): Nokia 5800 XpressMusic
Compatibility
Platform(s): S60 3rd Edition, FP1, FP2
S60 5th Edition
Symbian
Article
Keywords: QPalette
Created: tepaa (27 Mar 2009)
Last edited: hamishwillee (17 Oct 2012)

Contents

[edit] Main function

This function is used to set the widget colour.

 p.setColor(QPalette::Background, Qt::black);

[edit] Source

Change the background colour of the QWidget.

#include <QPalette>
 
QMyWidget::QMyWidget(QWidget *parent)
: QWidget(parent)
{
QPalette p(palette());
// Set background colour to black
p.setColor(QPalette::Background, Qt::black);
setPalette(p);
}

[edit] See also

For more information, see QPalette.

[edit] Postconditions

The background colour QWidget is black.

This page was last modified on 17 October 2012, at 09:07.
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