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Thread: Qt Creator Using KDE class

  1. #1
    Join Date
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    Default Qt Creator Using KDE class

    Hello.

    Qt 5.1.1
    Qt Creator 2.8.1
    KDE 4.10.5
    OpenSuse 12.3
    Linux 3.7.10-1.16-desktop

    I would like to use KFontDialog

    I cannot build my project under 5.1.1 because of this error :
    Qt Code:
    1. /usr/include/kconfiggroup.h:745: error: 'qVariantCanConvert' was not declared in this scope
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    I have seen that qVariantCanConvert is deprecated.

    The project build correctly under 4.8.

    Any help is welcome.


    mainwindow.h
    ------------------
    Qt Code:
    1. #ifndef MAINWINDOW_H
    2. #define MAINWINDOW_H
    3.  
    4. #include <QMainWindow>
    5. #include <QtDebug>
    6. #include <kfontdialog.h>
    7.  
    8. namespace Ui {
    9. class MainWindow;
    10. }
    11.  
    12. class MainWindow : public QMainWindow
    13. {
    14. Q_OBJECT
    15.  
    16. public:
    17. explicit MainWindow(QWidget *parent = 0);
    18. ~MainWindow();
    19.  
    20. private:
    21. Ui::MainWindow *ui;
    22. };
    23.  
    24. #endif // MAINWINDOW_H
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    mainwindow.cpp
    ------------------
    Qt Code:
    1. #include "mainwindow.h"
    2. #include "ui_mainwindow.h"
    3.  
    4. MainWindow::MainWindow(QWidget *parent) :
    5. QMainWindow(parent),
    6. ui(new Ui::MainWindow)
    7. {
    8. ui->setupUi(this);
    9.  
    10.  
    11. QFont myFont;
    12. int result = KFontDialog::getFont( myFont );
    13. qDebug() << "Return Parameter is:" << result << endl;
    14.  
    15.  
    16. }
    17.  
    18. MainWindow::~MainWindow()
    19. {
    20. delete ui;
    21. }
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  2. #2
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    Default Re: Qt Creator Using KDE class

    Basically Qt5 and KDE 4 can't work together since KDE4 is based on Qt4.
    Your biological and technological distinctiveness will be added to our own. Resistance is futile.

    Please ask Qt related questions on the forum and not using private messages or visitor messages.


  3. #3
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    Default Re: Qt Creator Using KDE class

    kfontdialog Qt5 version is part of the "kde4support" framework, making it likely that it has been mostly replaced by its Qt counterpart and only still exists for porting and corner cases.

    Cheers,
    _

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