| 🛟 Updated. 28d5985 k33g 14h ago | 1 | // Drawing the picker: the popup that lists the agent's commands or the |
| 2 | // project's files while a "/" or "@" word is being typed. Local coordinates, |
| 3 | // like everything else in view_draw.go. |
| 4 | |
| 5 | package acp |
| 6 | |
| 7 | import ( |
| 8 | "strings" |
| 9 | |
| 10 | "codeberg.org/turbo-editors/turbo-core/theme" |
| 11 | "codeberg.org/turbo-editors/turbo-core/ui" |
| 12 | ) |
| 13 | |
| 14 | // drawPicker paints the popup just above the rule, over the bottom of the |
| 15 | // conversation, when there is something to list. |
| 16 | func (v *View) drawPicker(p *ui.Painter, th *theme.Theme) { |
| 17 | choices := v.refresh() |
| 18 | room := v.transcriptHeight() |
| 19 | if len(choices) == 0 || room < 3 { |
| 20 | v.picker.bounds = ui.Rect{} |
| 21 | return |
| 22 | } |
| 23 | |
| 24 | height := min(min(len(choices), pickerRows)+2, room) |
| 25 | width := min(max(widestChoice(choices)+4, pickerMinWidth), p.Size().W) |
| 26 | bounds := ui.Rect{X: 0, Y: room - height, W: width, H: height} |
| 27 | v.picker.bounds = bounds |
| 28 | |
| 29 | frame := th.Style(theme.KeyCompletionFrame) |
| 30 | for row := range height { |
| 31 | p.HLine(bounds.X, bounds.Y+row, width, ' ', th.Style(theme.KeyCompletionItem)) |
| 32 | } |
| 33 | ui.DrawFrame(p, bounds, ui.FrameSingle, frame) |
| 34 | p.TextLimited(bounds.X+2, bounds.Y, max(width-4, 0), v.pickerTitle(), frame) |
| 35 | |
| 36 | for row := range height - 2 { |
| 37 | index := v.picker.top + row |
| 38 | if index >= len(choices) { |
| 39 | break |
| 40 | } |
| 41 | v.drawChoice(p, th, row, choices[index], index == v.picker.selected) |
| 42 | } |
| 43 | } |
| 44 | |
| 45 | // pickerTitle names what is being listed, on the frame. |
| 46 | func (v *View) pickerTitle() string { |
| 47 | if _, word := v.typedWord(); strings.HasPrefix(word, string(mentionRune)) { |
| 48 | return " files " |
| 49 | } |
| 50 | return " commands " |
| 51 | } |
| 52 | |
| 53 | // widestChoice is the width of the longest line the popup will show. |
| 54 | func widestChoice(choices []Choice) int { |
| 55 | widest := 0 |
| 56 | for _, choice := range choices { |
| 57 | widest = max(widest, len([]rune(choiceText(choice)))) |
| 58 | } |
| 59 | return widest |
| 60 | } |
| 61 | |
| 62 | // choiceText is one line of the popup as plain text: the label, the |
| 63 | // description, and the hint in angle brackets. |
| 64 | func choiceText(choice Choice) string { |
| 65 | text := choice.Label |
| 66 | if choice.Detail != "" { |
| 67 | text += " " + choice.Detail |
| 68 | } |
| 69 | if choice.Hint != "" { |
| 70 | text += " <" + choice.Hint + ">" |
| 71 | } |
| 72 | return text |
| 73 | } |
| 74 | |
| 75 | // drawChoice paints one line of the popup — row rows below the frame's top, |
| 76 | // inside the bounds drawPicker just recorded: the label in the item colour, |
| 77 | // the rest in the detail colour, the whole row highlighted when it is the one. |
| 78 | func (v *View) drawChoice(p *ui.Painter, th *theme.Theme, row int, choice Choice, selected bool) { |
| 79 | style := th.Style(theme.KeyCompletionItem) |
| 80 | detail := th.Style(theme.KeyCompletionDetail) |
| 81 | if selected { |
| 82 | style = th.Style(theme.KeyCompletionSelected) |
| 83 | detail = style |
| 84 | } |
| 85 | |
| 86 | bounds := v.picker.bounds |
| 87 | x, y := bounds.X+1, bounds.Y+1+row |
| 88 | width := bounds.W - 2 |
| 89 | p.HLine(x, y, width, ' ', style) |
| 90 | |
| 91 | end := p.TextLimited(x, y, width, choice.Label, style) |
| 92 | rest := strings.TrimPrefix(choiceText(choice), choice.Label) |
| 93 | if rest != "" && end < x+width { |
| 94 | p.TextLimited(end, y, x+width-end, rest, detail) |
| 95 | } |
| 96 | } |