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qbz/crates/qbz-slint/ui/primitives/QbzSlider.slint
T
vicrodh 82129cff35 feat(slint): LocalLibrary ephemeral folders + Folders tree 1:1 port
Ephemeral folders: open / browse / play a folder without indexing it —
album-grouped pane, CUE seek fast-path (no full re-decode per virtual track),
folder-path persistence + rehydrate, "already playing" add-vs-replace choice
dialog (ephemeral-only), and now-playing / queue / menu gating so an ephemeral
track exposes no persistence actions.

Folders tree brought 1:1 with Tauri:
- Rail header: select-mode, collapse-all, open-ephemeral, tree search.
- Resizable rail (default ~20% narrower; drag handle, min 50% default /
  max 50% of the content area).
- Subfolder cover grid + grid/list toggle, recursive track count, name search;
  compact icon bulk bar (folder-check / play-next / queue / playlist / clear).
- Tree is the default mode; circular checkboxes homologated with TrackRow;
  compact rows (smaller type + icon, no ambiguous trailing count).
- Flat/Tree icon toggle (disc-album / folder-tree), floated right.

Per-source TrackRow context menu (logic, not a blanket trim): Qobuz/offline =
full; local = play/next/queue + add-to-playlist; plex/ephemeral = play/next/
queue only.

App-wide standard: Math.round pixel-snap on icon centering across the UI to
kill sub-pixel blur (CircleAction, header back/forward/collapse, and the rest).
NowPlayingBar context icon -> turntable (frees disc-album for the Folders
toggle). New assets: folder-check, folder-tree, turntable.

cc
2026-06-07 10:12:59 -06:00

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// Horizontal integer slider primitive — dark-themed, draggable.
//
// Like the other primitives it does not own its value: it emits
// `changed(new-value)` and the caller updates the bound state. The thumb
// position is derived from `value`, clamped to [minimum, maximum].
import { Theme } from "../foundation/semantic-colors.slint";
export component QbzSlider inherits Rectangle {
in property <int> minimum: 0;
in property <int> maximum: 10;
in property <int> value: 0;
callback changed(int);
width: 200px;
height: 22px;
// Fraction of the track the current value sits at, clamped to [0, 1].
property <float> fraction: root.maximum > root.minimum
? max(0.0, min(1.0, (root.value - root.minimum) / (root.maximum - root.minimum)))
: 0.0;
property <length> thumb-size: 16px;
// Travel range for the thumb centre.
property <length> travel: root.width - root.thumb-size;
// Track.
Rectangle {
y: Math.round((parent.height - self.height) / 2 / 1px) * 1px;
height: 4px;
border-radius: 2px;
background: Theme.surface-elevated;
}
// Accent fill.
Rectangle {
x: 0;
y: Math.round((parent.height - self.height) / 2 / 1px) * 1px;
width: root.thumb-size / 2 + root.fraction * root.travel;
height: 4px;
border-radius: 2px;
background: Theme.accent;
}
// Thumb.
Rectangle {
x: root.fraction * root.travel;
y: Math.round((parent.height - self.height) / 2 / 1px) * 1px;
width: root.thumb-size;
height: root.thumb-size;
border-radius: root.thumb-size / 2;
background: Theme.text-primary;
}
// Map a pointer x to a clamped, rounded integer value.
function value-from-x(px: length) -> int {
root.minimum + round(
max(0.0, min(1.0, (px - root.thumb-size / 2) / max(1px, root.travel)))
* (root.maximum - root.minimum)
)
}
ta := TouchArea {
mouse-cursor: pointer;
// Jump to the click point on press-down.
pointer-event(e) => {
if (e.kind == PointerEventKind.down
&& root.value-from-x(self.mouse-x) != root.value) {
root.changed(root.value-from-x(self.mouse-x));
}
}
// Continuous drag while held.
moved => {
if (root.value-from-x(self.mouse-x) != root.value) {
root.changed(root.value-from-x(self.mouse-x));
}
}
}
}