[Poppler-bugs] [Bug 105759] New: [Patch] Add support for next Actions in PDF Forms

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105759

            Bug ID: 105759
           Summary: [Patch] Add support for next Actions in PDF Forms
           Product: poppler
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: general
          Assignee: poppler-bugs at lists.freedesktop.org
          Reporter: aheinecke at intevation.de

Created attachment 138373
  --> https://bugs.freedesktop.org/attachment.cgi?id=138373&action=edit
Patch to add support for next actions

Next actions are action dictionaries or an array
of action dictonaries. "Next" is an entry in the
general action dictionary.

These actions are supposed to be performed after each other.
So that a single button press can for example
both trigger a hide action and a JavaScript action.

This is generic for all action dictonaries. (Adobe PDF Reference 1.7 Section
8.5.1 page 647).

I've noticed the necessity for this while playing with an example in to support
Hide Actions ( https://phabricator.kde.org/T8274 ) as Adobe Acrobat DC would
only allow to create a hide action for a single target and otherwise use next
actions to hide multiple fields at once.


This patch is part of a work on Okular ( https://phabricator.kde.org/T8278 ).
The corresponding Okular change extends an autotest to test this feature.



As an example document the "visibilitytest.pdf" from
https://phabricator.kde.org/T8274 can be used.

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