wehub-resource-sync
90 lines
2.9 KiB
QML
90 lines
2.9 KiB
QML
// Winamp 2-inspired spectrum analyzer: stacked LED segments per band with
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// falling peak caps. Three-tone gradient drawn over each bar (low / mid /
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// high) so the column "lights up" the way the classic skin did.
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//
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// Driven by 10-band frames from BandStream. Colors come from the active
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// Omarchy theme via NowPlaying.qml.
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import QtQuick
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Item {
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id: root
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property var bands: []
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// Three-tone color stack. Bottom -> top: barColor (low), accentColor
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// (mid), warnColor (top). The user passes the active theme accent,
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// yellow, and red into these.
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property color barColor: "#a9b665"
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property color accentColor: "#d8a657"
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property color warnColor: "#ea6962"
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// Segment geometry. `segH` and `segGap` define the LED-stack look — keep
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// segGap >= 1 so the dark line between segments stays visible.
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property int segH: 3
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property int segGap: 1
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readonly property int bandCount: Math.max(10, bands ? bands.length : 0)
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readonly property int rows: Math.max(4, Math.floor(height / (segH + segGap)))
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implicitWidth: 320
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implicitHeight: 56
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property var peaks: Array(10).fill(0)
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Timer {
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// Drives peak decay independent of band update rate. Skips the state
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// write when nothing moved so a paused player doesn't allocate and
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// emit a peaksChanged signal at 30 Hz.
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interval: 50
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running: root.visible
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repeat: true
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onTriggered: {
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const cur = root.peaks;
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const next = cur.slice();
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let dirty = false;
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for (let i = 0; i < next.length; ++i) {
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const v = root.bands[i] || 0;
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const nv = v > next[i] ? v : Math.max(0, next[i] - 0.018);
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if (nv !== cur[i]) dirty = true;
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next[i] = nv;
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}
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if (dirty) {
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root.peaks = next;
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}
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}
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}
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Row {
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anchors.fill: parent
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spacing: 2
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Repeater {
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model: root.bandCount
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Item {
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required property int index
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width: (parent.width - parent.spacing * (root.bandCount - 1)) / root.bandCount
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height: parent.height
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readonly property real value: Math.max(0, Math.min(1, root.bands[index] || 0))
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Repeater {
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model: root.rows
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Rectangle {
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required property int index
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width: parent.width
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height: root.segH
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y: parent.height - (index + 1) * (root.segH + root.segGap) + root.segGap
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visible: index < Math.round(parent.value * root.rows)
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color: index < Math.round(root.rows * 0.55) ? root.barColor
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: index < Math.round(root.rows * 0.85) ? root.accentColor : root.warnColor
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}
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}
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Rectangle {
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width: parent.width
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height: root.segH
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visible: (root.peaks[index] || 0) > 0
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y: parent.height - Math.max(1, Math.round((root.peaks[index] || 0) * root.rows))
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* (root.segH + root.segGap) + root.segGap
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color: root.accentColor
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}
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}
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}
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}
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}
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