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Topic: Separate text fields from other widgets (SDK)
Conf: (P-PDF) Developers, Msg: 107791
From: erikgyllenstierna
Date: 3/17/2004 07:49 PM

Hello,

How can I distinguish between a text field and other type of fields like buttons, list boxes? I want to iterate over all text fields on a page and retrieve their name and position.

This code does work except that if several text fields have the same name the first "continue" is executed because the dictionary lies in the parent and is null i each children:
        for (int i = 0; i < numAnnots; i++)
        {
            PDAnnot annot = PDPageGetAnnot(pdPage, i);
            if (PDAnnotIsValid(annot) && PDAnnotGetSubtype(annot) == ASAtomFromString("Widget"))
            {
                CosObj obj = PDAnnotGetCosObj(annot);                
                CosObj fieldType = CosDictGet(obj, ASAtomFromString("FT"));
                if (CosObjGetType(fieldType) == CosNull)
                    continue;

                ASAtom value = CosNameValue(fieldType);
                if (value != ASAtomFromString("Tx"))
                    continue;

This does work except that widgets other than Text fields (Buttons, Listboxes) are retrieved:
        for (int i = 0; i < numAnnots; i++)
        {
            PDAnnot annot = PDPageGetAnnot(pdPage, i);
            if (PDAnnotIsValid(annot) && PDAnnotGetSubtype(annot) == ASAtomFromString("Widget"))
            {
                CosObj obj = PDAnnotGetCosObj(annot);
                PDField field = AFPDFieldFromCosObj(obj);
                if (field == NULL)
                    continue;               // should not happen

                char *name = AFPDFieldGetName(field);

Any help would be very much appreciated. I am using Acrobat 6 SDK and VC6++.

/Erik



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