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Thread: Q_EXPORT - The Journey

  1. #1
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    Default Q_EXPORT - The Journey

    Hi all
    This is file is for emulation functionality for old QFocusData class witch i need
    Macro Q_EXPORT is making me errors but i need it in my prog.

    Qt Code:
    1. 1#ifndef QFOCUSDATA_H
    2. 2#define QFOCUSDATA_H
    3.  
    4. 3#ifndef QT_H
    5. 4#include <qwidgetlist.h>
    6. 5#endif // QT_H
    7. 6#include <qevent.h>
    8.  
    9. class Q_EXPORT QFocusData {
    10. public:
    11. QWidget* focusWidget() const { return it.current(); }
    12. QWidget* home();
    13. QWidget* next();
    14. QWidget* prev();
    15. QWidget* first() const;
    16. QWidget* last() const;
    17. int count() const { return focusWidgets.count(); }
    18.  
    19. private:
    20. friend class QWidget;
    21.  
    22. QFocusData() : it(focusWidgets) {}
    23. QWidgetList focusWidgets;
    24. //QWidgetListIt it;
    25. };
    26.  
    27. #endif // QFOCUSDATA_H
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    So if some has any suggestions please for help

  2. #2
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    Default Re: Q_EXPORT - The Journey

    What is Q_EXPORT?
    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: Q_EXPORT - The Journey

    Qt <3 tools part for expanding internal transfer or usability- i am not sure about this

  4. #4
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    Default Re: Q_EXPORT - The Journey

    error: variable ‘Q_EXPORT QFocusData’ has initializer but incomplete type

  5. #5
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    Default Re: Q_EXPORT - The Journey

    That's because in Qt4 there is no such thing as Q_EXPORT.
    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.


  6. #6
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    Default Re: Q_EXPORT - The Journey

    Hi all
    If anyone is interested this is my solution of Q_EXPORT macro problem
    Qt Code:
    1. qfocusdata.h
    2.  
    3. #ifndef QFOCUSDATA_H
    4. #define QFOCUSDATA_H
    5.  
    6. #ifdef Q_WIN
    7. #include <qwindowsystem_qws.h>
    8. #ifdef LIBAPP_EXPORTS
    9. #define LIBAPP_API __declspec(dllexport)
    10. #else // !LIBAPP_EXPORTS
    11. #define LIBAPP_API __declspec(dllimport)
    12. #endif // LIBAPP_EXPORTS
    13. #else
    14. #define LIBAPP_API // Q_EXPORT = LIBAPP_API
    15. #endif
    16. // all You see hire is copy from Qt help pages;
    17. http://web.mit.edu/qt/www/qfocusdata-h.html
    18. and
    19. http://lists.trolltech.com/qt-interest/2004-12/thread00790-0.html
    20.  
    21. #ifndef QT_H
    22. #include <QWidgetList> // "qwidgetlist.h"
    23. #endif // QT_H
    24.  
    25.  
    26. class LIBAPP_API QFocusData {
    27. public:
    28. //QWidget* focusWidget() const { return it.current(); }
    29. // current is not supported by QWidget but it is up to You- i do not need it.
    30. QWidget* home();
    31. QWidget* next();
    32. QWidget* prev();
    33. QWidget* first() const;
    34. QWidget* last() const;
    35. int count() const { return focusWidgets.count(); }
    36.  
    37. private:
    38. friend class QWidget;
    39. QFocusData() : it(focusWidgets) {}
    40. QWidgetList focusWidgets;
    41. QWidgetList it;
    42. };
    43.  
    44. #endif // QFOCUSDATA_H
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