tdf#127932 fix wrong page number in print progress

- in ctor, reset start pages to non-inflated value after size
  calculation
- update label, _then_ progress in setProgress()

Change-Id: I66576e339de814922512b68167e6c0a9b1025378
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/102031
Tested-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
diff --git a/vcl/source/window/printdlg.cxx b/vcl/source/window/printdlg.cxx
index d964390..c210525 100644
--- a/vcl/source/window/printdlg.cxx
+++ b/vcl/source/window/printdlg.cxx
@@ -2164,6 +2164,15 @@ void PrintDialog::previewLast()
    ActivateHdl(*mxPageEdit);
}


static OUString getNewLabel(const OUString& aLabel, int i_nCurr, int i_nMax)
{
    OUString aNewText( aLabel.replaceFirst( "%p", OUString::number( i_nCurr ) ) );
    aNewText = aNewText.replaceFirst( "%n", OUString::number( i_nMax ) );

    return aNewText;
}

// PrintProgressDialog
PrintProgressDialog::PrintProgressDialog(weld::Window* i_pParent, int i_nMax)
    : GenericDialogController(i_pParent, "vcl/ui/printprogressdialog.ui", "PrintProgressDialog")
@@ -2181,15 +2190,17 @@ PrintProgressDialog::PrintProgressDialog(weld::Window* i_pParent, int i_nMax)

    //just multiply largest value by 10 and take the width of that string as
    //the max size we will want
    OUString aNewText( maStr.replaceFirst( "%p", OUString::number( mnMax * 10 ) ) );
    aNewText = aNewText.replaceFirst( "%n", OUString::number( mnMax * 10 ) );
    mxText->set_label( aNewText );
    mxText->set_label(getNewLabel(maStr, mnMax * 10, mnMax * 10));
    mxText->set_size_request(mxText->get_preferred_size().Width(), -1);

    //Pick a useful max width
    mxProgress->set_size_request(mxProgress->get_approximate_digit_width() * 25, -1);

    mxButton->connect_clicked( LINK( this, PrintProgressDialog, ClickHdl ) );

    // after this patch f7157f04fab298423e2c4f6a7e5f8e361164b15f, we have seen the calc Max string (sometimes) look above
    // now init to the right start vaules
    mxText->set_label(getNewLabel(maStr, mnCur, mnMax));
}

PrintProgressDialog::~PrintProgressDialog()
@@ -2208,11 +2219,10 @@ void PrintProgressDialog::setProgress( int i_nCurrent )
    if( mnMax < 1 )
        mnMax = 1;

    mxProgress->set_percentage(mnCur*100/mnMax);
    mxText->set_label(getNewLabel(maStr, mnCur, mnMax));

    OUString aNewText( maStr.replaceFirst( "%p", OUString::number( mnCur ) ) );
    aNewText = aNewText.replaceFirst( "%n", OUString::number( mnMax ) );
    mxText->set_label( aNewText );
    // here view the dialog, with the right label
    mxProgress->set_percentage(mnCur*100/mnMax);
}

void PrintProgressDialog::tick()