VERSE
ffa336196a
This pull request modernizes the codebase by adopting Go 1.21+ features, including built-in functions like min and max, standard library iterators such as strings.SplitSeq and strings.FieldsSeq, utility functions like maps.Copy and slices.Contains, and string manipulation helpers like strings.Cut and strings.CutPrefix. Feedback is provided on a test file where the usage of strings.Builder can be further optimized to avoid unnecessary string allocations during concatenation. `go fix -diff ./...`
727 lines
15 KiB
Go
727 lines
15 KiB
Go
package integration
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import (
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"fmt"
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"os"
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"strconv"
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"strings"
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"sync"
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"unicode/utf8"
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"github.com/charmbracelet/lipgloss"
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"github.com/versenilvis/iris/commands/core"
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"github.com/versenilvis/iris/config"
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"github.com/versenilvis/iris/logger"
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"golang.org/x/term"
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)
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const (
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boxWidth = 76 // total visual width, corners included
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maxItems = 6
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)
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func ComputeCursorCol(data []byte) int {
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col := 0
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i := 0
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n := len(data)
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for i < n {
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b := data[i]
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if b == '\r' {
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col = 0
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i++
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continue
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}
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if b == '\b' || b == 0x7f {
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col--
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if col < 0 {
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col = 0
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}
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i++
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continue
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}
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if b == '\t' {
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col = (col + 8) &^ 7
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i++
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continue
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}
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if b == '\033' {
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if i+1 < n && data[i+1] == '[' {
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j := i + 2
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for j < n && data[j] >= 0x20 && data[j] <= 0x3F {
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j++
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}
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if j < n {
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cmd := data[j]
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paramsStr := string(data[i+2 : j])
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paramsStr = strings.TrimLeft(paramsStr, "?>=")
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parts := strings.Split(paramsStr, ";")
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getParam := func(idx, def int) int {
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if idx < len(parts) && parts[idx] != "" {
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if v, err := strconv.Atoi(parts[idx]); err == nil && v > 0 {
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return v
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}
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}
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return def
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}
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switch cmd {
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case 'C':
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col += getParam(0, 1)
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case 'D':
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col -= getParam(0, 1)
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if col < 0 {
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col = 0
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}
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case 'G':
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col = max(getParam(0, 1)-1, 0)
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}
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i = j + 1
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continue
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}
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break
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} else if i+1 < n && data[i+1] == ']' {
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j := i + 2
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for j < n {
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if data[j] == '\007' {
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j++
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break
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}
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if data[j] == '\033' && j+1 < n && data[j+1] == '\\' {
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j += 2
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break
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}
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j++
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}
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i = j
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continue
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} else if i+1 < n && (data[i+1] == 'P' || data[i+1] == 'X' || data[i+1] == '^' || data[i+1] == '_') {
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j := i + 2
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for j < n {
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if data[j] == '\033' && j+1 < n && data[j+1] == '\\' {
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j += 2
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break
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}
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j++
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}
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i = j
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continue
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} else if i+1 < n {
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i += 2
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continue
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} else {
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break
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}
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}
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if b < 0x20 {
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i++
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continue
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}
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if b < 0x7f {
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col++
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i++
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continue
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}
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r, size := utf8.DecodeRune(data[i:])
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w := lipgloss.Width(string(r))
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col += w
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i += size
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}
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return col
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}
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type Theme struct {
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Border lipgloss.Color
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Accent lipgloss.Color
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Muted lipgloss.Color
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Text lipgloss.Color
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TextSel lipgloss.Color
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Match lipgloss.Color
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Desc lipgloss.Color
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DescSel lipgloss.Color
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SelBg lipgloss.Color
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ScrollInfo lipgloss.Color
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}
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var currentTheme = Theme{
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Border: lipgloss.Color("#a277ff"),
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Accent: lipgloss.Color("#61ffca"),
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Muted: lipgloss.Color("#6d6a7f"),
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Text: lipgloss.Color("#edecee"),
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TextSel: lipgloss.Color("#ffffff"),
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Match: lipgloss.Color("#61ffca"),
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Desc: lipgloss.Color("#9692a8"),
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DescSel: lipgloss.Color("#edecee"),
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SelBg: lipgloss.Color("#3d375e"),
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ScrollInfo: lipgloss.Color("#a277ff"),
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}
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func SetTheme(t Theme) {
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currentTheme = t
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}
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type Overlay struct {
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mu sync.Mutex
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Visible bool
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Items []core.Suggestion
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Cursor int
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StartIdx int
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LastGhostLen int
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TypedQuery string
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UserNavigated bool
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PromptLen int
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}
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func (o *Overlay) SetPromptLen(l int) {
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o.mu.Lock()
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defer o.mu.Unlock()
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if o.PromptLen != l {
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logger.Debugf("SetPromptLen: %d -> %d", o.PromptLen, l)
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o.PromptLen = l
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}
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}
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func NewOverlay() *Overlay {
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return &Overlay{Visible: false, Cursor: 0, StartIdx: 0}
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}
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func (o *Overlay) UpdateItems(items []core.Suggestion) {
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o.mu.Lock()
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defer o.mu.Unlock()
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o.Items = items
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o.Visible = len(o.Items) > 0
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o.Cursor = 0
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o.StartIdx = 0
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}
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func (o *Overlay) IsVisible() bool {
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o.mu.Lock()
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defer o.mu.Unlock()
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return o.Visible
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}
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func (o *Overlay) GetUserNavigated() bool {
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o.mu.Lock()
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defer o.mu.Unlock()
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return o.UserNavigated
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}
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func (o *Overlay) SetUserNavigated(v bool) {
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o.mu.Lock()
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defer o.mu.Unlock()
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o.UserNavigated = v
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}
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func (o *Overlay) GetTypedQuery() string {
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o.mu.Lock()
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defer o.mu.Unlock()
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return o.TypedQuery
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}
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func (o *Overlay) GetCurrentCmd() string {
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o.mu.Lock()
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defer o.mu.Unlock()
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if len(o.Items) > 0 && o.Cursor >= 0 && o.Cursor < len(o.Items) {
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return o.Items[o.Cursor].Cmd
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}
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return ""
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}
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func (o *Overlay) GetTopCmd() string {
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o.mu.Lock()
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defer o.mu.Unlock()
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if len(o.Items) > 0 {
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return o.Items[0].Cmd
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}
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return ""
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}
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func (o *Overlay) Show() {
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o.mu.Lock()
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defer o.mu.Unlock()
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o.UserNavigated = false
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o.Visible = true
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}
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func (o *Overlay) ResetCursor() {
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o.mu.Lock()
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defer o.mu.Unlock()
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o.Cursor = 0
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}
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func (o *Overlay) SetQueryAndItems(query string, items []core.Suggestion) {
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o.mu.Lock()
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defer o.mu.Unlock()
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o.TypedQuery = query
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o.UserNavigated = false
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o.Items = items
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o.Visible = len(o.Items) > 0
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o.Cursor = 0
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o.StartIdx = 0
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}
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func (o *Overlay) ClearGhostLen() int {
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o.mu.Lock()
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defer o.mu.Unlock()
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l := o.LastGhostLen
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o.LastGhostLen = 0
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return l
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}
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func (o *Overlay) MoveCursor(dir string) (moved bool, selectedCmd string) {
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o.mu.Lock()
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defer o.mu.Unlock()
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if !o.Visible || len(o.Items) == 0 {
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return false, ""
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}
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o.UserNavigated = true
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oldCursor := o.Cursor
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if dir == "up" {
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o.Cursor--
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if o.Cursor < 0 {
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o.Cursor = 0
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}
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} else {
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o.Cursor++
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if o.Cursor >= len(o.Items) {
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o.Cursor = len(o.Items) - 1
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}
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}
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if o.Cursor == oldCursor {
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return false, ""
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}
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return true, o.Items[o.Cursor].Cmd
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}
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func (o *Overlay) SetHistoryList(items []core.Suggestion, startAtBottom bool) string {
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o.mu.Lock()
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defer o.mu.Unlock()
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o.TypedQuery = ""
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o.UserNavigated = true
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o.Items = items
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o.Visible = len(o.Items) > 0
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if startAtBottom && len(o.Items) > 0 {
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o.Cursor = len(o.Items) - 1
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} else {
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o.Cursor = 0
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}
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o.StartIdx = 0
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if len(o.Items) > 0 && o.Cursor >= 0 && o.Cursor < len(o.Items) {
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return o.Items[o.Cursor].Cmd
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}
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return ""
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}
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func fixedWidth(s string, width int) string {
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if width <= 0 {
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return ""
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}
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visualWidth := lipgloss.Width(s)
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if visualWidth == width {
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return s
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}
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if visualWidth < width {
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return s + strings.Repeat(" ", width-visualWidth)
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}
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var sb strings.Builder
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currentWidth := 0
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for _, r := range s {
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rw := lipgloss.Width(string(r))
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if currentWidth+rw > width-1 {
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break
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}
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sb.WriteRune(r)
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currentWidth += rw
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}
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sb.WriteString("…")
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rem := width - lipgloss.Width(sb.String())
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if rem > 0 {
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sb.WriteString(strings.Repeat(" ", rem))
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}
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return sb.String()
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}
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func (o *Overlay) RenderGhostText(buffer string, userNavigated bool) string {
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o.mu.Lock()
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defer o.mu.Unlock()
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if !o.Visible || len(o.Items) == 0 {
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return ""
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}
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var s strings.Builder
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ghostText := ""
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if !userNavigated && buffer != "" {
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topCmd := o.Items[0].Cmd
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if strings.HasPrefix(strings.ToLower(topCmd), strings.ToLower(buffer)) {
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ghostText = topCmd[len(buffer):]
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}
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}
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if ghostText == "" && o.LastGhostLen == 0 {
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return ""
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}
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ghostWidth := lipgloss.Width(ghostText)
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padLen := max(o.LastGhostLen-ghostWidth, 0)
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if o.LastGhostLen > 0 {
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padLen += 4
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}
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s.WriteString("\0337")
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if ghostText != "" {
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s.WriteString("\033[90m")
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s.WriteString(ghostText)
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s.WriteString("\033[0m")
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}
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if padLen > 0 {
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s.WriteString(strings.Repeat(" ", padLen))
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}
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s.WriteString("\0338")
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o.LastGhostLen = ghostWidth
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return s.String()
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}
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func renderMatchedTitle(title, typed string, selected bool, w int) string {
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t := currentTheme
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textColor := t.Text
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if selected {
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textColor = t.TextSel
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}
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base := lipgloss.NewStyle().Foreground(textColor)
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match := lipgloss.NewStyle().Foreground(t.Match).Bold(true)
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if selected {
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base = base.Background(t.SelBg)
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match = match.Background(t.SelBg)
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}
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display := fixedWidth(title, w)
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if typed == "" || !strings.HasPrefix(strings.ToLower(display), strings.ToLower(typed)) {
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return base.Render(display)
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}
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typedRunes := []rune(typed)
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displayRunes := []rune(display)
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matchLen := min(len(typedRunes), len(displayRunes))
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return match.Render(string(displayRunes[:matchLen])) + base.Render(string(displayRunes[matchLen:]))
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}
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func (o *Overlay) Render() string {
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return o.draw()
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}
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func (o *Overlay) draw() string {
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o.mu.Lock()
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defer o.mu.Unlock()
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if !o.Visible || len(o.Items) == 0 {
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return ""
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}
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t := currentTheme
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border := lipgloss.NewStyle().Foreground(t.Border)
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scrollStyle := lipgloss.NewStyle().Foreground(t.ScrollInfo)
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var s strings.Builder
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s.WriteString("\033[?7l")
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typedLen := len([]rune(o.TypedQuery))
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targetCol := o.PromptLen + typedLen
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width, _, err := term.GetSize(int(os.Stdout.Fd()))
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if err != nil || width <= 0 {
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width = 120
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}
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if targetCol+boxWidth > width {
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targetCol = width - boxWidth
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}
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if targetCol < 0 {
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targetCol = 0
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}
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logger.Debugf("Overlay draw: pLen=%d, typedLen=%d, targetCol=%d, width=%d", o.PromptLen, typedLen, targetCol, width)
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s.WriteString("\0337")
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windowSize := min(len(o.Items), maxItems)
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scrolloffUp := 1
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if windowSize <= 3 {
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scrolloffUp = 0
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}
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if o.Cursor < o.StartIdx+scrolloffUp {
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o.StartIdx = o.Cursor - scrolloffUp
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}
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if o.Cursor >= o.StartIdx+windowSize {
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o.StartIdx = o.Cursor - windowSize + 1
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}
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if o.StartIdx < 0 {
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o.StartIdx = 0
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}
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if o.StartIdx > len(o.Items)-windowSize {
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o.StartIdx = len(o.Items) - windowSize
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}
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if o.StartIdx < 0 {
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o.StartIdx = 0
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}
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start := o.StartIdx
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end := start + windowSize
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totalLines := windowSize + 2
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for range totalLines {
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s.WriteByte('\n')
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}
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fmt.Fprintf(&s, "\033[%dA", totalLines)
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s.WriteString("\0337")
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moveToTarget := func() {
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s.WriteString("\r")
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if targetCol > 0 {
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fmt.Fprintf(&s, "\033[%dC", targetCol)
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}
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}
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inner := boxWidth - 2 // width between the two border pipes/corners
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style := strings.ToLower(config.Get().UI.Style)
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isClassic := style == "classic" || style == "minimal" || style == "minimalist"
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// top side border with scroll counter
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s.WriteString("\0338")
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fmt.Fprintf(&s, "\033[%dB", 1)
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s.WriteString("\033[2K")
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moveToTarget()
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scrollInfo := ""
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if len(o.Items) > windowSize {
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scrollInfo = fmt.Sprintf(" %d/%d ", o.Cursor+1, len(o.Items))
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}
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leftDash := 3
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if isClassic && scrollInfo != "" {
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leftDash = (inner - len(scrollInfo)) / 2
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}
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rightDash := inner - leftDash - len(scrollInfo)
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if scrollInfo == "" {
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leftDash = 0
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rightDash = inner
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}
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fmt.Fprintf(&s, "%s%s%s%s%s",
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border.Render("╭"),
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border.Render(strings.Repeat("─", leftDash)),
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scrollStyle.Render(scrollInfo),
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border.Render(strings.Repeat("─", rightDash)),
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border.Render("╮"),
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)
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// left and right side border with item rows
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descW := 24
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padGap := 2
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markerW := 1
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iconW := 2
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if isClassic || !config.Get().UI.NerdFonts {
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iconW = 0
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}
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sidePad := 1
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titleW := inner - sidePad*2 - markerW - 1 - iconW
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if iconW > 0 {
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titleW--
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}
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titleW = titleW - padGap - descW
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for i := start; i < end; i++ {
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s.WriteString("\0338")
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fmt.Fprintf(&s, "\033[%dB", (i-start)+2)
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s.WriteString("\033[2K")
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moveToTarget()
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it := o.Items[i]
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selected := i == o.Cursor
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left := border.Render("│")
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right := border.Render("│")
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bg := lipgloss.NewStyle()
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if selected {
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bg = bg.Background(t.SelBg)
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}
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marker := " "
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markerStyle := bg.Foreground(t.Muted)
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if selected {
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marker = "▶"
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markerStyle = bg.Foreground(t.Accent).Bold(true)
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}
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iconGlyph := lookupIcon(it.Icon)
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iconColor := t.Muted
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if selected {
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iconColor = t.Accent
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}
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iconStr := bg.Foreground(iconColor).Render(fixedWidth(iconGlyph, iconW))
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title := renderMatchedTitle(it.Cmd, o.TypedQuery, selected, titleW)
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descColor := t.Desc
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if selected {
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descColor = t.DescSel
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|
}
|
|
|
|
var desc string
|
|
if isClassic {
|
|
if it.Icon == "alias" {
|
|
desc = bg.Foreground(descColor).Render(fixedWidth("alias: "+it.Desc, descW))
|
|
} else {
|
|
desc = bg.Foreground(descColor).Render(fixedWidth(it.Desc, descW))
|
|
}
|
|
} else {
|
|
switch it.Icon {
|
|
case "alias":
|
|
boxStyle := lipgloss.NewStyle().Background(lipgloss.Color("#2a2342")).Foreground(lipgloss.Color("#a277ff"))
|
|
if selected {
|
|
boxStyle = lipgloss.NewStyle().Background(lipgloss.Color("#a277ff")).Foreground(lipgloss.Color("#110f18")).Bold(true)
|
|
}
|
|
tag := boxStyle.Render(" alias ")
|
|
tw := lipgloss.Width(tag)
|
|
rem := max(descW-tw-1, 0)
|
|
desc = tag + bg.Render(" ") + bg.Foreground(descColor).Render(fixedWidth(it.Desc, rem))
|
|
case "history":
|
|
boxStyle := lipgloss.NewStyle().Background(lipgloss.Color("#1a2d36")).Foreground(lipgloss.Color("#61ffca"))
|
|
if selected {
|
|
boxStyle = lipgloss.NewStyle().Background(lipgloss.Color("#61ffca")).Foreground(lipgloss.Color("#110f18")).Bold(true)
|
|
}
|
|
tag := boxStyle.Render(" history ")
|
|
tw := lipgloss.Width(tag)
|
|
rem := max(descW-tw, 0)
|
|
desc = tag + bg.Render(strings.Repeat(" ", rem))
|
|
case "system":
|
|
boxStyle := lipgloss.NewStyle().Background(lipgloss.Color("#1e1d28")).Foreground(lipgloss.Color("#a277ff"))
|
|
if selected {
|
|
boxStyle = lipgloss.NewStyle().Background(lipgloss.Color("#a277ff")).Foreground(lipgloss.Color("#110f18")).Bold(true)
|
|
}
|
|
tag := boxStyle.Render(" system ")
|
|
tw := lipgloss.Width(tag)
|
|
rem := max(descW-tw, 0)
|
|
desc = tag + bg.Render(strings.Repeat(" ", rem))
|
|
default:
|
|
desc = bg.Foreground(descColor).Render(fixedWidth(it.Desc, descW))
|
|
}
|
|
}
|
|
|
|
iconSection := ""
|
|
if iconW > 0 {
|
|
iconSection = iconStr + bg.Render(" ")
|
|
}
|
|
|
|
fmt.Fprintf(&s, "%s%s%s%s%s%s%s%s%s%s",
|
|
left,
|
|
bg.Render(" "),
|
|
markerStyle.Render(marker),
|
|
bg.Render(" "),
|
|
iconSection,
|
|
title,
|
|
bg.Render(strings.Repeat(" ", padGap)),
|
|
desc,
|
|
bg.Render(" "),
|
|
right,
|
|
)
|
|
}
|
|
|
|
// bottom side border with footer shortcut hints
|
|
s.WriteString("\0338")
|
|
fmt.Fprintf(&s, "\033[%dB", windowSize+2)
|
|
s.WriteString("\033[2K")
|
|
moveToTarget()
|
|
|
|
footerInfo := ""
|
|
if !isClassic {
|
|
keyStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("#a277ff")).Bold(true)
|
|
tabKey := keyStyle.Render("<Tab>")
|
|
ctrlRKey := keyStyle.Render("<Ctrl+R>")
|
|
acceptText := lipgloss.NewStyle().Foreground(t.ScrollInfo).Render(" Accept")
|
|
modeText := lipgloss.NewStyle().Foreground(t.ScrollInfo).Render(" Mode")
|
|
footerInfo = fmt.Sprintf(" %s%s • %s%s ", tabKey, acceptText, ctrlRKey, modeText)
|
|
}
|
|
|
|
footerRunes := lipgloss.Width(footerInfo)
|
|
rightDash = 2
|
|
leftDash = inner - footerRunes - rightDash
|
|
if footerInfo == "" {
|
|
leftDash = 0
|
|
rightDash = inner
|
|
}
|
|
if leftDash < 0 {
|
|
leftDash = 0
|
|
}
|
|
fmt.Fprintf(&s, "%s%s%s%s%s",
|
|
border.Render("╰"),
|
|
border.Render(strings.Repeat("─", leftDash)),
|
|
footerInfo,
|
|
border.Render(strings.Repeat("─", rightDash)),
|
|
border.Render("╯"),
|
|
)
|
|
|
|
s.WriteString("\0338")
|
|
s.WriteString("\033[?7h")
|
|
return s.String()
|
|
}
|
|
|
|
func (o *Overlay) Clear() string {
|
|
o.mu.Lock()
|
|
defer o.mu.Unlock()
|
|
|
|
var s strings.Builder
|
|
s.WriteString("\033[?7l")
|
|
s.WriteString("\0337")
|
|
|
|
for i := range maxItems + 2 {
|
|
s.WriteString("\0338")
|
|
fmt.Fprintf(&s, "\033[%dB", i+1)
|
|
s.WriteString("\r\033[2K")
|
|
}
|
|
|
|
s.WriteString("\0338")
|
|
s.WriteString("\033[?7h")
|
|
return s.String()
|
|
}
|
|
|
|
func (o *Overlay) ClearAndDisable() string {
|
|
o.mu.Lock()
|
|
defer o.mu.Unlock()
|
|
|
|
if !o.Visible && len(o.Items) == 0 && o.LastGhostLen == 0 {
|
|
return ""
|
|
}
|
|
|
|
o.Visible = false
|
|
o.Items = nil
|
|
o.TypedQuery = ""
|
|
o.UserNavigated = false
|
|
o.Cursor = 0
|
|
o.StartIdx = 0
|
|
|
|
var s strings.Builder
|
|
s.WriteString("\033[?7l")
|
|
|
|
if o.LastGhostLen > 0 {
|
|
s.WriteString("\0337")
|
|
s.WriteString(strings.Repeat(" ", o.LastGhostLen+10))
|
|
s.WriteString("\0338")
|
|
o.LastGhostLen = 0
|
|
}
|
|
|
|
s.WriteString("\0337")
|
|
|
|
for i := range maxItems + 2 {
|
|
s.WriteString("\0338")
|
|
fmt.Fprintf(&s, "\033[%dB", i+1)
|
|
s.WriteString("\r\033[2K")
|
|
}
|
|
|
|
s.WriteString("\0338")
|
|
s.WriteString("\033[?7h")
|
|
return s.String()
|
|
}
|