July 20, 2012

Hostel Hostel
Hobby Entomologist
187 posts
  • Groupie L1

QString global variable and coding problem

 

I have a problem with QString which is a global variable. Coding of this variable is wrong. File is in UTF8. Here is example code:

  1. #include <QtCore/QCoreApplication>
  2. #include <QTextCodec>
  3. #include <QDebug>
  4.  
  5. QString global( "ąęśćź" );
  6.  
  7. int main(int argc, char *argv[])
  8. {
  9.     QCoreApplication a(argc, argv);
  10.  
  11.     QTextCodec::setCodecForCStrings(QTextCodec::codecForName("UTF-8"));
  12.     QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));
  13.  
  14.     QString inside( "ąęśćź" );
  15.  
  16.     qDebug() << "Global: " << global; // print Global:  "ąęśćź"  - it's wrong
  17.     qDebug() << "Inside: " << inside; // print Inside:  "ąęśćź" - good
  18.  
  19.     return a.exec();
  20. }

How to solve it?

3 replies

July 20, 2012

dmcr dmcr
Ant Farmer
161 posts

Hello,

How about utf-8 BOM.
if you select “add if encoding is UTF-8” (on windows), it may work correctly.

July 20, 2012

sidewinder sidewinder
Ant Farmer
65 posts

Your global QString is created before you set codec for c strings to UTF8 so default Latin1 is used. Hence text corruption.

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“Never memorize what you can look up in books.”
Albert Einstein

July 20, 2012

Hostel Hostel
Hobby Entomologist
187 posts
  • Groupie L1

sidewinder your are right. To print correct global string this is required:

  1. global.toLatin1()

 
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