×
Namespaces

Variants
Actions
(Difference between revisions)

Archived:Changing QWidget background colour

From Nokia Developer Wiki
Jump to: navigation, search
tepaa (Talk | contribs)
hamishwillee (Talk | contribs)
m (Hamishwillee - Add Abstract. Tidy wiki text)
 
(20 intermediate revisions by 7 users not shown)
Line 1: Line 1:
{{CodeSnippet
+
[[Category:Qt C++ UI]][[Category:UI]][[Category:Code Snippet]][[Category:MeeGo Harmattan]][[Category:Symbian]][[Category:Qt]]
|id=  
+
{{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.}}
|platform=Qt
+
{{Abstract|This code snippet shows how to change the {{Qapiname|QWidget}} background colour.}}
|devices=5800 XpressMusic
+
{{ArticleMetaData <!-- v1.2 -->
|category=Qt for S60
+
|sourcecode= <!-- Link to example source code (e.g. [[Media:The Code Example ZIP.zip]]) -->
|subcategory=UI
+
|installfile= <!-- Link to installation file (e.g. [[Media:The Installation File.sis]]) -->
|creationdate=March 27, 2009
+
|devices= Nokia 5800 XpressMusic
|keywords=QPalette
+
|sdk= <!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
 +
|platform= S60 3rd Edition, FP1, FP2<br>S60 5th Edition
 +
|devicecompatability= <!-- Compatible devices (e.g.: All* (must have GPS) ) -->
 +
|dependencies= <!-- Any other/external dependencies e.g.: Google Maps Api v1.0 -->
 +
|signing= <!-- Empty or one of Self-Signed, DevCert, Manufacturer -->
 +
|capabilities= <!-- Capabilities required by the article/code example (e.g. Location, NetworkServices. -->
 +
|keywords= QPalette
 +
|language= <!-- Language category code for non-English topics - e.g. Lang-Chinese -->
 +
|translated-by= <!-- [[User:XXXX]] -->
 +
|translated-from-title= <!-- Title only -->
 +
|translated-from-id= <!-- Id of translated revision -->
 +
|review-by= <!-- After re-review: [[User:username]] -->
 +
|review-timestamp= <!-- After re-review: YYYYMMDD -->
 +
|update-by= <!-- After significant update: [[User:username]]-->
 +
|update-timestamp= <!-- After significant update: YYYYMMDD -->
 +
|creationdate= 20090327
 +
|author= [[User:Tepaa]]
 +
<!-- The following are not in current metadata -->
 +
|id= CS001348
 
}}
 
}}
  
==Overview==
+
== Main function ==
 
+
This function is used to set the widget colour.
This code snippets shows how to change QWidget background color.
+
 
+
'''Note''': In order to use this code, you need to have Qt for S60 installed on your platform.
+
 
+
 
+
==Preconditions==
+
 
+
* Install Qt for S60 Garden release from here: [http://pepper.troll.no/s60prereleases/ Qt for S60 "Garden" pre-release]
+
* Check this link for installation guide: [http://pepper.troll.no/s60prereleases/doc/install-s60.html How to install the package]
+
 
+
 
+
== Main Function ==
+
*Used to set the widget color
+
  
 
   p.setColor(QPalette::Background, Qt::black);
 
   p.setColor(QPalette::Background, Qt::black);
  
 
==Source==
 
==Source==
Change background color of the QWidget.
+
Change the background colour of the {{Icode|QWidget}}.
<code cpp>
+
<code cpp-qt>
 
#include <QPalette>
 
#include <QPalette>
  
Line 36: Line 41:
 
     {
 
     {
 
     QPalette p(palette());
 
     QPalette p(palette());
     // Set background color to black
+
     // Set background colour to black
 
     p.setColor(QPalette::Background, Qt::black);
 
     p.setColor(QPalette::Background, Qt::black);
 
     setPalette(p);
 
     setPalette(p);
Line 43: Line 48:
  
 
==See also==
 
==See also==
More about [http://pepper.troll.no/s60prereleases/doc/qpalette.html QPalette]
+
For more information, see [http://doc.qt.nokia.com/latest/qpalette.html QPalette].
  
 
==Postconditions==
 
==Postconditions==
QWidget background color is black.
+
The background colour {{Icode|QWidget}} is black.
 
+
 
+
[[Category:Qt]][[Category:Qt for S60]][[Category:Code Examples]][[Category:UI]]
+

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.
164 page views in the last 30 days.

Was this page helpful?

Your feedback about this content is important. Let us know what you think.

 

Thank you!

We appreciate your feedback.

×