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This function is tricky to use right in KDiff3. Our local "urls" don't always
have a scheme. This is fine since KDiff3 doen't deal with relative remote urls.

*Don't setup bogus FileAccess records if FileAccessJobHandler::stat fails.
*Also don't set m_bValidData = true for such cases.

This reverts commit 91b5ecab.

This should get the path right for urls. The price is that '..' and '.' will remain in the path
if present. Sadly QUrl::resolved does not suite the needs of kdiff3.

Unfortanually we need work around some design issues with
QUrls API behavoir. First scheme-less urls are handled as
remote files. This is not what we want..

FileAccess::isLocal returns what KDiff3 considers local. FileAccess::prettyAbsPath is then needed to work around
the fact reservered characters are encoded by default even
for local files on windows when QUrl API is used directly.

QUrl::isLocal is no longer used outside FileAccess::isLocal where empty schemes are checked for.

QUrl alone can't be trusted to determine what a local file is as its definition differs
from that of KDiff3.

Link handling in KIO is odd we get the type of file the link points to
instead of the file type for the link itself. Prevent invalid states for
FileAccess resulting from this confusion.

(cherry picked from commit 19599a0e)

This reverts commit 174d2872.

BUG:426823
FIXED-IN:1.8.4

Don't use QUrl::toString this will not serve our needs.
Manually handle drop events for QCombox widgets, The default behavoir
is not what we are looking for.

CCBUG:417189

The existing usage was broken anway as QString::asprint is static not a member function.

In case of conflict in i18n, keep the version of the branch "ours"
To resolve a particular conflict, "git checkout --ours path/to/file.desktop"

In case of conflict in i18n, keep the version of the branch "ours"
To resolve a particular conflict, "git checkout --ours path/to/file.desktop"

UNIT_PTR != unsigned int on 64 bit machines

*Drop unneed QString->QUrl->QString convertion

Hopefully fix weird build errors.