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Archived:Applying a Qt style sheet to an application via QApplication

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m (Hamishwillee - Remove "standard" preconditions)
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[[Category:Qt]][[Category:Code Examples]][[Category:UI]][[Category:Code Snippet]]
 
{{KBCS}}
 
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{{ArticleMetaData
 
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|platform=Qt
 
|platform=Qt
 
|devices=Nokia N97
 
|devices=Nokia N97
|category=Qt
+
|creationdate=20091124
|subcategory=UI
+
|creationdate=November 24, 2009
+
 
|keywords=Qt, UI, style sheet
 
|keywords=Qt, UI, style sheet
 
 
|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]) -->
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|sdk=Qt 4.5 Garden Tech-preview
 
|devicecompatability=<!-- Compatible devices (e.g.: All* (must have GPS) ) -->
 
|devicecompatability=<!-- Compatible devices (e.g.: All* (must have GPS) ) -->
 
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==Preconditions==
 
==Preconditions==
 
* Qt is installed on your platform.
 
** S60:
 
*** Download Qt for S60 release from here: [http://pepper.troll.no/s60prereleases/ Qt for S60 pre-release]
 
*** Install Qt for S60: [[Installing Qt on S60]]
 
*** Check this link for installation guide: [http://pepper.troll.no/s60prereleases/doc/install-s60.html How to install the package]
 
** Maemo:
 
*** More information about Qt on Maemo can be found here: [http://qt4.garage.maemo.org/ Qt4 Maemo port]
 
  
 
* You know how to [[CS001503 - Using resources in Qt|use resources in your Qt application]].
 
* You know how to [[CS001503 - Using resources in Qt|use resources in your Qt application]].
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* [http://doc.trolltech.com/4.7/stylesheet.html Qt style sheet documentation]
 
* [http://doc.trolltech.com/4.7/stylesheet.html Qt style sheet documentation]
 
* [[CS001501 - Creating a gradient background for a QPushButton with style sheet]]
 
* [[CS001501 - Creating a gradient background for a QPushButton with style sheet]]
 
[[Category:Qt]][[Category:Code Examples]][[Category: UI]][[Category:Code Snippet]]
 

Revision as of 07:04, 27 October 2011

Template:KBCS

Article Metadata
Tested with
SDK: Qt 4.5 Garden Tech-preview
Devices(s): Nokia N97
Compatibility
Platform(s): Qt
Symbian
Article
Keywords: Qt, UI, style sheet
Created: taaidant (24 Nov 2009)
Last edited: hamishwillee (27 Oct 2011)

Contents

Overview

This example shows you how to apply a style sheet application-wide.

Preconditions

Applying a Qt style sheet to an application via QApplication

#include "yourwindow.h"
 
#include <QtGui>
#include <QApplication>
 
#include <QFile>
#include <QString>
#include <QTextStream>
 
void loadStyleSheet() {
/* Let's use QFile and point to a resource... */
QFile data(":/style.qss");
QString style;
/* ...to open the file */
if(data.open(QFile::ReadOnly)) {
/* QTextStream... */
QTextStream styleIn(&data);
/* ...read file to a string. */
style = styleIn.readAll();
data.close();
/* We'll use qApp macro to get the QApplication pointer
* and set the style sheet application wide. */

qApp->setStyleSheet(style);
}
}
 
int main(int argc, char *argv[]) {
QApplication a(argc, argv);
YourWindow* w = new YourWindow();
/* Load style sheet */
loadStyleSheet();
w->showMaximized();
int returnValue = a.exec();
w->deleteLater();
return returnValue;
}

Postconditions

Now you can style your application with Qt style sheets.

See also

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