feat(qt): the artist page's radio disc goes live, with a start-up indicator

The disc was btnEnabled: false with a comment saying neither engine had a seam
on a Qt bridge. Both do now. ArtistPageView.slint:426-461 opens a two-row
dropdown — QBZ Radio (the local qbz-radio pool builder) and Qobuz Radio
(/radio/artist) — and that is what this restores. The smart arm already
shipped behind Discover's spotlight RADIO card and simply was not wired here;
the Qobuz arm is new (get_radio_artist + the same enrich_radio_tracks the album
radio uses, because its track objects are just as bare).

Both labels already exist in all eight catalogues, so no new msgid.

AND THE WAIT IS VISIBLE NOW. A radio is a fetch, an enrich and a queue write;
until the first track resolves nothing on screen moves, so the click read as
dead. QbzCircleAction gains the `loading` arm the reference already has
(CircleAction.slint:18/:77) and QbzHome.radioPending carries the KEY of the
radio being built — "album:<id>" or "artist:<id>" — so the Discover rail spins
only the station that was clicked instead of all six.

The spinner rides QbzShell.pulseMs, NOT a RotationAnimation. Qt Quick has no
partial redraws, so a continuous animator presents the whole window at display
rate (~1.2% GPU per present on the owner's hybrid laptop); a 60 Hz spin for the
seconds a radio takes is exactly the bill the pulse law refuses. 12 degrees per
~30 Hz tick, and the Connections is disabled unless the button is spinning and
on screen, so at rest it writes nothing. theme/QbzSpinner.qml still uses a
RotationAnimation and is deliberately not reused.

On the cards, `loading` also pins the hover disc up: it only exists on hover,
so it vanished the moment the pointer left after a click, which is what made
the click look swallowed.

A RadioGuard disarms the key in Drop, so a bad id, a network error and an empty
result all clear it. A disc spinning forever is worse than no indicator.

cc
This commit is contained in:
vicrodh committed 2026-08-19 23:55:07 -06:00
1 parent e816436fd0
commit e1876c15f0
7 files changed
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@@ -2258,17 +2258,33 @@ Rectangle {
QbzLibrary.libraryToggleFavorite("artist", artist.id)
}
}
// Radio — the .slint opens a QBZ-radio / Qobuz-radio
// dropdown; neither engine has a seam on this bridge,
// and the dropdown it used to open had two rows that
// just closed themselves. DIMMED and inert-by-
// declaration until an engine lands.
// Radio — ArtistPageView.slint:426-461: the disc opens
// a two-row dropdown, QBZ Radio (the local `qbz-radio`
// pool builder) vs Qobuz Radio (the curated
// `/radio/artist` endpoint).
//
// IT WAS `btnEnabled: false` — dimmed and inert by
// declaration, because at the time neither engine had a
// seam on a Qt bridge and the port refuses to render a
// control that drives nothing. Both exist now:
// `QbzHome.startArtistRadio` (the smart pool, already
// shipping behind the Discover spotlight's RADIO card)
// and `QbzHome.startQobuzArtistRadio`, added with this
// change. So the disc goes live and the dropdown is the
// reference's, verbatim.
QbzCircleAction {
id: radioBtn
name: "radio"
overlay: root.hdrOverlay
btnEnabled: false
// BOTH dropdown rows arm the same key: they are
// two ways to fill one queue from one disc, and
// the disc is what the user is looking at. The
// control also gates its own clicks while loading,
// so the dropdown cannot be re-opened over a
// request that is already running.
loading: QbzHome.radioPending === "artist:" + artist.id
anchors.verticalCenter: parent.verticalCenter
onClicked: radioMenu.openBelowLeft(radioBtn)
}
QbzCircleAction {
name: "element-connect"
@@ -3371,6 +3387,66 @@ Rectangle {
}
}
// --- Radio dropdown (the header disc) ----------------------------------
// ArtistPageView.slint:440-460 — 180px, two rows, `close-on-click`. Left
// aligned under the trigger (`x: 0px; y: 38px` there), which is what
// openBelowLeft does; openBelowRight would hang a 180px panel off to the
// LEFT of a 32px disc that sits at the start of the row.
QbzContextMenu {
id: radioMenu
menuWidth: 180
Repeater {
model: [
// Both labels already exist in the catalogue (they are the
// TrackContextMenu's), so this adds no new msgid to the eight
// locales.
{ "label": QbzSession.tr("QBZ Radio", QbzSession.trRev), "action": "qbz" },
{ "label": QbzSession.tr("Qobuz Radio", QbzSession.trRev), "action": "qobuz" },
]
delegate: Rectangle {
required property var modelData
width: parent ? parent.width : 0
height: 33
radius: 5
color: rmiArea.containsMouse ? theme.surfaceHover : "transparent"
Row {
anchors.fill: parent
anchors.leftMargin: 8
spacing: 8
QbzIcon {
name: "radio"
width: 15
height: 15
anchors.verticalCenter: parent.verticalCenter
tintName: rmiArea.containsMouse ? "textPrimary" : "secondary"
}
Text {
height: parent.height
width: parent.width - 23
text: modelData.label
color: rmiArea.containsMouse ? theme.textPrimary : theme.textSecondary
font.pixelSize: 13
verticalAlignment: Text.AlignVCenter
elide: Text.ElideRight
}
}
MouseArea {
id: rmiArea
anchors.fill: parent
hoverEnabled: true
cursorShape: Qt.PointingHandCursor
onClicked: {
radioMenu.close()
if (modelData.action === "qbz")
QbzHome.startArtistRadio(artist.id)
else
QbzHome.startQobuzArtistRadio(artist.id)
}
}
}
}
}
// --- ⋯ overflow menu ---------------------------------------------------
QbzContextMenu {
id: overflowMenu