Archived
simonfrankenandClaude Sonnet 5.5
648e1fd46c
A click on a branch switches to it, the wheel moves the selection, a click outside closes the popup. The popup is hit-tested by its own position, as it is drawn after zone.Scan. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
34 lines
920 B
Go
34 lines
920 B
Go
package tui
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import (
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"strings"
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"github.com/charmbracelet/lipgloss"
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"github.com/charmbracelet/x/ansi"
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)
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// overlay draws fg over bg with its top-left cell at (x, y). bg must be the
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// final string (after zone.Scan): its lines are cut at the popup's edges.
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// The backdrop loses its colors and is drawn in dim, so the popup stands out.
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func overlay(bg, fg string, x, y int, dim lipgloss.Style) string {
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lines := strings.Split(bg, "\n")
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for i, l := range lines {
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lines[i] = dim.Render(ansi.Strip(l))
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}
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pop := strings.Split(fg, "\n")
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pw := lipgloss.Width(fg)
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left := x
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for i, p := range pop {
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row := y + i
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if row >= len(lines) {
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break
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}
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line := lines[row]
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if lw := ansi.StringWidth(line); lw < left {
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line += strings.Repeat(" ", left-lw)
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}
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lines[row] = ansi.Truncate(line, left, "") + "\x1b[0m" + p + "\x1b[0m" + ansi.TruncateLeft(line, left+pw, "")
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}
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return strings.Join(lines, "\n")
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}
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