56 lines
2.1 KiB
QML
56 lines
2.1 KiB
QML
import QtQuick
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import QtQuick.Shapes
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import "root:/config"
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import "root:/components"
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// A leaning block — the small-scale counterpart to P5Panel.
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//
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// Every tick, rule, meter segment and slider rail in this shell leans at
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// Theme.skew. Shearing a plain Rectangle with a Matrix4x4 does that, but Qt
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// rasterises a Rectangle's geometry with no antialiasing at all, so the slanted
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// edges come out as a hard pixel staircase — at 18px tall that staircase is
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// most of what you see, and it reads as broken rendering rather than as a
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// deliberate angle. Drawing the parallelogram as a Shape with the curve
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// renderer gets analytic coverage AA on the diagonals instead.
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//
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// Drop-in for a sheared Rectangle: set width/height as before and use `color`,
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// `borderColor` and `borderWidth` the same way.
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Shape {
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id: root
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property color color: "transparent"
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property color borderColor: "transparent"
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property real borderWidth: 0
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// Lean of the vertical edges as a fraction of height, matching P5Panel.
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property real lean: Theme.skew
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property bool leanLeft: false
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// Wide, short pieces — the rail's hairline rules — slant their horizontal
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// edges by a fraction of width instead, exactly as P5Panel does for the
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// rail slab.
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property bool vertical: false
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preferredRendererType: Shape.CurveRenderer
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asynchronous: false
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ShapePath {
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fillColor: root.color
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strokeColor: root.borderWidth > 0 ? root.borderColor : "transparent"
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strokeWidth: root.borderWidth
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joinStyle: ShapePath.MiterJoin
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capStyle: ShapePath.FlatCap
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PathPolyline {
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path: {
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const w = root.width, h = root.height, l = root.lean;
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if (root.vertical)
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return Geom.closed(root.leanLeft ? Geom.parallelogramVL(w, h, l)
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: Geom.parallelogramV(w, h, l));
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return Geom.closed(root.leanLeft ? Geom.parallelogramL(w, h, l)
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: Geom.parallelogram(w, h, l));
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}
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}
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}
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}
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