Review Request 129714: Disable rename action from Trash

[Elvis Angelaccio]

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https://git.reviewboard.kde.org/r/129714/
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Review request for Dolphin and Emmanuel Pescosta.


Bugs: 332465
    https://bugs.kde.org/show_bug.cgi?id=332465


Repository: dolphin


Description
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Dolphin relies on KFileItemListProperties::supportsMoving() to enable/disable the rename action. However, the trash:/ protocol is a corner case because while it supports moving, it explicitly forbids renaming urls from trash:/ to trash:/

```c++
// kio_trash.cpp, line 137
if (oldURL.scheme() == QLatin1String("trash") && newURL.scheme() == QLatin1String("trash")) {
    error(KIO::ERR_CANNOT_RENAME, oldURL.toString());
    return;
}
```

For this reason, we need to disable the rename action if the view is in the Trash.

BUG: 332465
FIXED-IN: 16.12.1


Diffs
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  src/dolphinmainwindow.cpp e5103fd42 
  src/dolphinpart.cpp aa9ab2986 

Diff: https://git.reviewboard.kde.org/r/129714/diff/


Testing
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F2 from Trash no longer triggers a useless rename job.


Thanks,

Elvis Angelaccio

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