- Load File moved from a button into a new File menu.
- Timeline now sits directly under the video; the transport row
(frame-step/play/frame-step, centered as a group; mute pinned right)
moved below it, matching LosslessCut's layout instead of the previous
buttons-then-timeline order.
- Right-click on the video toggles play/pause.
The right-click implementation took two tries, worth recording: mpv
embeds via wid as its own native child window, which receives raw X11
input directly -- a real mouse click never reaches this QWidget's
mousePressEvent at all, even though a unit-style test that called the
handler directly passed and looked fine. Caught this by testing with
an actual xdotool click against a live running window instead of
trusting the synthetic test, which is what this project's smoke tests
have been doing throughout and what caught the bug here too. Fixed by
binding MBTN_RIGHT through mpv's own on_key_press input API instead,
which does receive the real clicks -- verified the same way, with a
real click on a live window, position/button-text actually changing.
Also fixed a genuinely flaky smoke test in the process: QShortcut's
active-window check races with real desktop window-manager focus,
especially with another instance of this same app already open
elsewhere (happened during this session). Switched that test to set
Qt's active-window state directly rather than relying on WM-level
activation, and independently confirmed the real key bindings with
live xdotool keypresses (both directions, plus end-of-file clamping).
ThePendulum
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