ZacharyZhang-NYandClaude Opus 5.5
03e1f91706
Elements are now pass-scoped value handles: tests that read bounds after a frame bind a ui.Handle. pixel tells frames apart by the build pass's root, since the Tester clock no longer moves on its own. Fix the regressions the upgrade brought: - Clipboard reads in input handlers go through c.Services(). - MyGo notes an overlay's opener after building it, so AutoFocus inside lost it; pixel.AutoFocus focuses through a Handle, and archtest bans the raw call. Dialogs hand the focus back again. - Elements around a press stay hovered: Tooltip tells a press-given focus by focus arriving under the pointer. - The web host moves the Tester clock with real time, at most 500 ms a call, and gives components the real clock. The gallery's source index also accepts CRLF checkouts. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
73 lines
2.0 KiB
Go
73 lines
2.0 KiB
Go
package chart
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import (
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"fmt"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
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)
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type HeatmapOptions struct {
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// Cell is a cell's least side, zero for 10.
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Cell int
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// Low and High end the dither; zeros mean Well, Bad.
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Low, High pixel.Slot
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}
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// Heatmap shades cells by dither level between two slots.
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func Heatmap(c *ui.Context, text string, rows, cols []string, values [][]float64, o HeatmapOptions) ui.Element {
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k := pixel.K(c)
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if len(values) != len(rows) {
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panic(fmt.Sprintf("chart: Heatmap has %d rows of values for %d rows", len(values), len(rows)))
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}
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for i, r := range values {
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if len(r) != len(cols) {
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panic(fmt.Sprintf("chart: Heatmap row %q has %d values for %d columns", rows[i], len(r), len(cols)))
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}
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}
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cell := pixel.Or("Heatmap Cell", o.Cell, 10)
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low, high := o.Low, o.High
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if low == 0 && high == 0 {
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low, high = pixel.Well, pixel.Bad
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}
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lo, hi := span(values...)
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if hi == lo {
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hi = lo + 1
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}
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rs, cs := small(rows...), small(cols...)
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gutter := 0
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for _, r := range rows {
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gutter = max(gutter, markW(r, rs)+3)
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}
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// Cells grow to fit their labels.
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cw, ch := cell, max(cell, inkH(rs)+2)
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for _, col := range cols {
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cw = max(cw, markW(col, cs)+3)
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}
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head := labelH(cols)
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w, h := gutter+len(cols)*cw, head+len(rows)*ch
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return ui.Box(c).Size(k.D(w), k.D(h)).Role(ui.RoleImage).Label(text).Description(readSeries(cols, grid(rows, values))).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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for j, col := range cols {
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mark(g, gutter+j*cw+(cw-markW(col, cs))/2, 1, col, cs, pixel.Faint)
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}
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for i, row := range values {
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mark(g, 0, head+i*ch+(ch-1-inkH(rs))/2, rows[i], rs, pixel.Faint)
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for j, v := range row {
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level := int((v - lo) / (hi - lo) * 16)
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g.Dither(gutter+j*cw, head+i*ch, cw-1, ch-1, low, high, level)
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}
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}
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})
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}
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// grid names each row of values as a series.
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func grid(rows []string, values [][]float64) []Series {
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out := make([]Series, len(rows))
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for i, r := range rows {
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out[i] = Series{Name: r, Values: values[i]}
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}
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return out
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}
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