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Keyboard navigation (arrow keys) did not clear item hover state, causing
items to retain their grey hover background after the mouse left the
window, resulting in multiple items appearing highlighted simultaneously.
Fixes#1865
Preview text files (≤8 MiB) in grid and gallery: read up to 256 KiB,
handle invalid UTF-8, skip empty files. Add unit tests.
Lets users peek at .txt without opening; size caps avoid blocking the UI.
tokio recommends using a sync mutex with a notifier instead of the
async mutex where possible. Rust forbids holding a sync mutex guard
across await points so we can prevent a potential deadlock this way.
This adds a custom channel based on the tokio mpmc example for
handling gvfs events from callbacks to avoid the async mutex
requirement. Messages are held in a `VecDeque` behind a sync mutex
and the receiver will get notified via the notifier when a message
is added to the queue.
Weak references used in gio callbacks in case the sender is dropped
by the application.
This caused the tab subscription to block the tokio executor.
Instead store the image dimensions in the `Item`, which is
created on a background thread.
This adds a Message::ShiftPermissions to handle setting
permissions for user, group or other for either 1 or
more items and a Command::SetMultiplePermissions to
set permissions on multiple items at the same time.
The permission dropdown will only have a selection if
all selected items have the same permission, otherwise it
will be empty but still allow changing.
Up to 5 owners and groups will be displayed for all
selected items with an ellipses if there are more.
The OperationSelection for setting permissions now also
returns the path as selected such that the tab will be re-scanned
and update the dropdown to correctly.
Adds the ability to set the open-with setting for
multiple selected items. This setting will only appear
if all selected items have the same mime type.
