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(cherry picked from commit 91786ba7)

Task: https://phabricator.kde.org/T14543

ksycoca already indexes the subdirectories, consequently this change
won't cause any incompatibilities.

gpg prefers the deprecated keyserver option in gpg.conf over the
keyserver option in dirmngr.conf; therefore, we use/edit the deprecated
keyserver option if it is set (or if the new option doesn't exist,
i.e. for gpg < 2.1.9); otherwise, we use/edit the new option.

Additionally, disable the option in the UI if, for whatever reason,
there is no usable config entry.

GnuPG-bug-id: 5461

Trying to parse the keyserver option breaks entries for LDAP keyserver.

GnuPG-bug-id: 5404

GnuPG-bug-id: 5404

Those KCMs are not loaded externally, only in the internal settings
view.

Considering that the KCMMultiDialog has no overload for a KCModule* we
can just use the class which is used in case kleopatra is builded without KCMUtils.

GnuPG-bug-id: 4876

Re-order the labels for correct tab order.

GnuPG-bug-id: 4876

GnuPG-bug-id: 4876

GnuPG-bug-id: 4876

GnuPG-bug-id: 4876

Note: TextBrowserInteraction is necessary for receiving keyboard focus.

GnuPG-bug-id: 4876

GnuPG-bug-id: 4876

GnuPG-bug-id: 4876

For example, Kleopatra currently supports the authentication key only for
OpenPGP cards.

GnuPG-bug-id: 4876

We need to differentiate between the keyRefs for the actual card keys
and the keyRefs of the corresponding OpenPGP keys.

GnuPG-bug-id: 4876

* Top-align the information text, so that a single line of text is
  properly aligned with the title.
* Check fingerprint instead of grip to check for key.
* Emphasize informational texts.
* Force interpretation of text including user input as plain text to avoid
  problems with HTML, e.g. in user IDs.

GnuPG-bug-id: 4876

GnuPG-bug-id: 4876

This will allow hiding all widgets related to a key.

GnuPG-bug-id: 4876

For now only set to hard-coded value for OpenPGP cards because gpg
does not publish this.

GnuPG-bug-id: 4876

* Check members in their declaration order
* Access members of other directly
* Add missing members

GnuPG-bug-id: 4876

GnuPG-bug-id: 4876

* Nicely format the fingerprint
* Show user ID(s)
* Remove storage location from tooltip because it's obvious that the
  key is stored on the currently displayed smartcard

GnuPG-bug-id: 4876

GnuPG-bug-id: 4876

GnuPG-bug-id: 4876

GnuPG-bug-id: 4876

This might lead to unexpected problems during testing
when users delete keys plug out / plug in smartcards etc.
An ldap query for a fingerprint is reasonable to do because
setCard is rarely called and should only be called when a new
card is detected.

They now only show the fingerprint and no longer the
keyref and can be used to copy out the fingerprint.

We do not want to use existing only for files where we encrypt
to, this should be save as and not open as.

GnuPG-bug-id: 4876

This allows retrieving the fingerprints of OpenPGP keys stored on all
cards, e.g. some PKCS#15 cards.

GnuPG-bug-id: 4876

GnuPG-bug-id: 4876

Card:
* Parse MANUFACTURER card info value
* Add possibility to set manufacturer (e.g. for old versions of gpg)

OpenPGPCard, P15Card:
* Remove manufacturer
* Remove now obsolete overrides of operator==

ReaderStatus:
* Use fallback for guessing the OpenPGP card manufacturer from the
  serial number, if MANUFACTURER isn't included in card info
* For PKCS#15 cards this fallback isn't necessary

GnuPG-bug-id: 4876

* Move (after previous commit) basically identical implementation of
  setCardInfo() in all subclasses into the base class.
* Add virtual processCardInfo() to allow subclasses to further process
  card info after it has been parsed.

GnuPG-bug-id: 4876