×
Namespaces

Variants
Actions
(Difference between revisions)

Archived:Changing QWidget background colour

From Nokia Developer Wiki
Jump to: navigation, search
hamishwillee (Talk | contribs)
m (Hamishwillee - Addition to article of: Category:MeeGo Category:Symbian. (Add platform categories))
hamishwillee (Talk | contribs)
m (Hamishwillee - Add Abstract. Tidy wiki text)
 
(6 intermediate revisions by one user not shown)
Line 1: Line 1:
[[Category:Qt]][[Category:UI]]
+
[[Category:Qt C++ UI]][[Category:UI]][[Category:Code Snippet]][[Category:MeeGo Harmattan]][[Category:Symbian]][[Category:Qt]]
{{KBCS}}
+
{{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.}}
{{ArticleMetaData
+
{{Abstract|This code snippet shows how to change the {{Qapiname|QWidget}} background colour.}}
|id=CS001348
+
{{ArticleMetaData <!-- v1.2 -->
|platform=S60 3rd Edition, FP1, FP2<br>S60 5th Edition
+
|devices=Nokia 5800 XpressMusic
+
|category=Qt  
+
|subcategory=UI, Graphics
+
|creationdate=April 29, 2009
+
|keywords=QPalette
+
 
+
 
|sourcecode= <!-- Link to example source code (e.g. [[Media:The Code Example ZIP.zip]]) -->
 
|sourcecode= <!-- Link to example source code (e.g. [[Media:The Code Example ZIP.zip]]) -->
 
|installfile= <!-- Link to installation file (e.g. [[Media:The Installation File.sis]]) -->
 
|installfile= <!-- Link to installation file (e.g. [[Media:The Installation File.sis]]) -->
|sdk=<!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
+
|devices= Nokia 5800 XpressMusic
|devicecompatability=<!-- Compatible devices (e.g.: All* (must have GPS) ) -->
+
|sdk= <!-- SDK(s) built and tested against (e.g. [http://linktosdkdownload/ Nokia Qt SDK 1.1]) -->
|signing=<!-- Empty or one of Self-Signed, DevCert, Manufacturer -->
+
|platform= S60 3rd Edition, FP1, FP2<br>S60 5th Edition
|capabilities=<!-- Capabilities required (e.g. Location, NetworkServices. -->)
+
|devicecompatability= <!-- Compatible devices (e.g.: All* (must have GPS) ) -->
|author=[[User:Tepaa]]
+
|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==
 
 
This code snippets shows how to change the QWidget background colour.
 
  
 
== Main function ==
 
== Main function ==
Line 29: Line 33:
  
 
==Source==
 
==Source==
Change the background colour of the <tt>QWidget</tt>.
+
Change the background colour of the {{Icode|QWidget}}.
<code cpp>
+
<code cpp-qt>
 
#include <QPalette>
 
#include <QPalette>
  
Line 47: Line 51:
  
 
==Postconditions==
 
==Postconditions==
The background colour <tt>QWidget</tt> is black.
+
The background colour {{Icode|QWidget}} is black.
 
+
 
+
[[Category:Code Examples]][[Category:Code Snippet]][[Category:MeeGo]] [[Category:Symbian]]
+

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.
193 page views in the last 30 days.
×