mirror of
https://github.com/patriceckhart/zot.git
synced 2026-06-26 21:36:31 +02:00
25b2bd4c96
Changelog dialog now shows only the changelog section from release notes with headings in accent color. Works for local 0.0.0 builds (fetches latest release). Full-width highlight bars fixed everywhere via erase-to-EOL and trailing ANSI preservation in truncateToWidth. Session ops dialog fixed. README documents the @ file picker.
108 lines
3.1 KiB
Go
108 lines
3.1 KiB
Go
// Package tui is a small terminal UI: raw-mode input, differential
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// line renderer, multi-line editor, and chat view. No external TUI
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// framework; just ANSI escape codes.
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package tui
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import "strings"
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// ANSI 256-color palette used by zot. Defined as numeric codes so we
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// can swap themes without changing any render code.
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type Theme struct {
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FG int
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Muted int
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Accent int
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User int // label color for the user role
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Assistant int // label color for the zot role
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Tool int
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ToolOut int
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Error int
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Warning int
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Spinner int // spinner + funny working line
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SelectionBG int // background for highlighted rows
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SelectionFG int // foreground for highlighted rows
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}
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var Dark = Theme{
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FG: 253,
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Muted: 244,
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Accent: 111, // soft blue
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User: 180, // warm tan
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Assistant: 117, // bright cyan — the zot label color
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Tool: 114, // green
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ToolOut: 245,
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Error: 203,
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Warning: 214,
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Spinner: 183, // soft purple
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SelectionBG: 24, // deep blue background
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SelectionFG: 231, // near-white foreground
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}
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var Light = Theme{
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FG: 236,
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Muted: 244,
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Accent: 33,
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User: 94,
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Assistant: 31, // deep cyan
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Tool: 28,
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ToolOut: 240,
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Error: 160,
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Warning: 166,
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Spinner: 91, // purple
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SelectionBG: 153, // light blue
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SelectionFG: 232, // near-black
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}
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// FG256 wraps s in foreground color c using ANSI 256-color SGR.
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func (t Theme) FG256(c int, s string) string {
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return sgrFG(c) + s + reset
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}
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// Highlight paints s with the theme's selection colors (foreground +
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// background). The caller is responsible for padding s to the desired
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// width; styling alone does not extend the background past content.
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func (t Theme) Highlight(s string) string {
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return sgrFG(t.SelectionFG) + sgrBG(t.SelectionBG) + s + reset
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}
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// PadHighlight styles s and extends the selection background to the
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// full terminal width so the highlight is a full row, not just a
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// rectangle around the text.
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func (t Theme) PadHighlight(s string, width int) string {
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visible := visibleWidth(s)
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if visible < width {
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s += strings.Repeat(" ", width-visible)
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}
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// Emit the background color AFTER the reset via a trailing
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// erase-to-end-of-line so the highlight extends to the terminal
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// edge even if the cell count is slightly off.
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return sgrFG(t.SelectionFG) + sgrBG(t.SelectionBG) + s + "\x1b[K" + reset
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}
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// Bold wraps s in bold SGR.
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func Bold(s string) string { return "\x1b[1m" + s + "\x1b[22m" }
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// Dim wraps s in dim SGR.
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func Dim(s string) string { return "\x1b[2m" + s + "\x1b[22m" }
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// Italic wraps s in italic SGR.
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func Italic(s string) string { return "\x1b[3m" + s + "\x1b[23m" }
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const reset = "\x1b[0m"
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func sgrFG(c int) string { return "\x1b[38;5;" + itoa(c) + "m" }
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func sgrBG(c int) string { return "\x1b[48;5;" + itoa(c) + "m" }
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// small itoa to avoid pulling strconv into this hot path twice.
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func itoa(n int) string {
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if n == 0 {
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return "0"
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}
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buf := [4]byte{}
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i := len(buf)
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for n > 0 {
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i--
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buf[i] = byte('0' + n%10)
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n /= 10
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}
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return string(buf[i:])
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}
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