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Thread: Problem converting .ui files from Qt3 to 4

  1. #1
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    Default Problem converting .ui files from Qt3 to 4

    Hi,

    Working on porting Kivio from Qt3 to Qt 4 on win32. Now stuck on converting the .ui files. My steps so far:

    - Ran "uic3.exe -convert" on ui files
    - Removed "CONFIG += uic3" from my .pro file (so doesn't build with Qt Designer 3)

    Error output:
    exportdialogbase.h: No such file or directory kiviomp_proj/ui/exportdialog
    kiviooptionsdialogbase.h: No such file or directory kiviomp_proj/ui/optionsdialog

    The header files for the .ui files are not being generated (i.e. for exportdialogbase.ui and kiviooptionsdialogbase.ui) . Any ideas?

    Thanks,
    Amanda

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    Default Re: Problem converting .ui files from Qt3 to 4

    Quote Originally Posted by Amanda View Post
    The header files for the .ui files are not being generated (i.e. for exportdialogbase.ui and kiviooptionsdialogbase.ui) . Any ideas?
    Are they listed in the FORMS variable in the .pro file?
    FORMS += exportdialogbase.ui kiviooptionsdialogbase.ui
    If this was the case, remember to re-run qmake after adding them and qmake will automatically generate rules to create them..
    J-P Nurmi

  3. The following user says thank you to jpn for this useful post:

    Amanda (28th October 2006)

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    Default Re: Problem converting .ui files from Qt3 to 4

    Qt4 uses a different concept for ui files. Header and implementation files are no longer generated from ui files. Instead a small class is constructed, which you then have to inherit from a "proper" class along with the class which is the base class for your form (like QWidget or QDialog). It is all explained in the manual.
    Look at the porting page for details.

    Grr... jpn, you're faster for the second time today

  5. The following user says thank you to wysota for this useful post:

    Amanda (28th October 2006)

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    Default Re: Problem converting .ui files from Qt3 to 4

    Quote Originally Posted by wysota View Post
    Grr... jpn, you're faster for the second time today
    If it only was about being faster - my girlfriend would worship me...
    J-P Nurmi

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    Default Re: Problem converting .ui files from Qt3 to 4

    Quote Originally Posted by jpn View Post
    If it only was about being faster - my girlfriend would worship me...
    ROTFL.....

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    Default Re: Problem converting .ui files from Qt3 to 4

    Great, thanks for the suggestions, I'll try them out.

    Amanda

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    Default Re: Problem converting .ui files from Qt3 to 4

    It's working given both your suggestions - thanks. For future ref:

    - If you run uic3.exe -convert to convert ui files from Qt 3 to Qt 4, in the .pro file:
    - Undo rename of "INTERFACES" to "FORMS3"
    - Remove "CONFIG += uic3"
    (And, of course, run qmake to generate a new Makefile.)

    - In the ui files:
    - Include the Qt 4 generated header (e.g. ui_<class name>.h)
    - Subclass an appropriate base class such as QDialog

    Amanda

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