turbo-editors/turbo-core · view.go

⑂ b1c5e36e1d1a12e805a39c391e69028b649e6a87

view.go · 191 lines · 6.8 KBGo    Blame HistoryRaw
   1package acp
4
📦 Turbo Core   7	"rickub.com/turbo-editors/turbo-core/syntax"
8	"rickub.com/turbo-editors/turbo-core/ui"
   9
11// InputHeight is how many rows the box you type into takes, not counting the
12// rule above it. Three is enough for a sentence that wrapped once, and leaves
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25)   13// the conversation the rest; a longer prompt scrolls inside the box.
   14const InputHeight = 3
16// View is the inside of an agent window: the conversation above, a box to type
17// in below.
19// It draws from whatever the session's transcript says at that moment and
20// keeps no copy, so a reply arriving on the connection's goroutine shows up on
21// the next turn of the event loop with nothing to keep in step.
23//	view := acp.NewView(session)
24//	window := ui.NewWindow(session.Agent().Name, view)
25type View struct {
28	session *Session
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25)   30	// input is what has been typed but not sent, as lines — the ones Alt-Enter
31	// makes. How they wrap to the pane is worked out when drawing (input.go).
   32	input  []string
33	cursor int // which line the cursor is on
34	column int // and where in it, in runes
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25)   36	// pastes is the text kept aside for each token in the box (paste.go), and
37	// pasteCount numbers them for the life of the window, so that "#1" in an
38	// earlier exchange is not the same thing as "#1" in this one.
39	pastes     []Paste
40	pasteCount int
   42	// scroll is how many laid-out lines are hidden above the top of the
43	// conversation, and follow says to keep the last line in sight as the
44	// agent writes.
45	scroll int
46	follow bool
48	// onTranscript has the focus when false. Two panes and one Tab between
49	// them is enough of a focus model for a window with two things in it.
50	onInput bool
51	focused bool
53	// laidOut is the conversation as it was last drawn, kept so that a click
54	// and a scroll agree with what is on the screen.
55	laidOut int
57	// caret is the line of the conversation the cursor is on, and anchor the
58	// other end of the selection, or noSelection. Both are indices into the
59	// laid-out lines, which are re-wrapped at the current width every frame —
60	// so a resize moves them, which is the same bargain the scroll position
61	// already makes.
62	caret  int
63	anchor int
65	// dragging says a selection is being made with the mouse held down.
66	dragging bool
68	// OnCopy is given the text to put on the clipboard. It is a field rather
69	// than a parameter because nothing here starts a goroutine that reads it,
70	// and because what a clipboard *is* belongs to the editor around this
71	// window rather than to the window.
72	OnCopy func(text string)
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25)   74	// OnPaste returns what the editor's clipboard holds, for Ctrl-V and
75	// Shift-Ins. Same shape as OnCopy, for the same reasons; nil means those
76	// keys paste nothing. A paste from outside the editor does not come this
77	// way: the terminal brackets it and the editor hands it to Paste whole.
78	OnPaste func() string
   80	// Files returns the project's files, for the picker "@" opens and for
81	// telling a mention from an email address when the prompt is sent. It is
82	// the editor's to supply because the editor knows where the project is;
83	// nil means "@" is only ever a character.
84	Files func() []Mention
86	// picker is the popup that opens over the conversation while a "/" or
87	// "@" word is being typed.
88	picker picker
90	// now is the clock, so that the spinner can be tested without waiting for
91	// it. Same reason editor.View and app.App have one.
92	now func() time.Time
95// Span is a run of one colour on a line, re-exported so that a window drawing
96// a conversation need not import the syntax package for one type.
97type Span = syntax.Span
99// NewView returns the inside of a window onto a session.
100func NewView(session *Session) *View {
101	return &View{
102		session: session,
103		input:   []string{""},
104		follow:  true,
105		onInput: true,
106		anchor:  noSelection,
107		now:     time.Now,
111// SetClock replaces the view's clock, so a test can say what the spinner shows
112// without waiting for a frame to come round.
113func (v *View) SetClock(now func() time.Time) { v.now = now }
115// LinesForTest returns the conversation as it is currently laid out.
117// Exported for the same reason app.Tick and app.Render are: the laid-out lines
118// are what a caret index means, and a test that wanted to put the cursor on a
119// particular line would otherwise have to count them by hand and go stale the
120// moment the layout changed.
121func (v *View) LinesForTest() []Line { return v.lines() }
123// SetCaretForTest puts the transcript's cursor on a line, as clicking it would.
124func (v *View) SetCaretForTest(at int) { v.moveCaret(at, false) }
126// Session returns the conversation this view is showing.
127func (v *View) Session() *Session { return v.session }
129// SetFocused gives or takes the keyboard focus, which is what stops every open
130// window drawing a cursor.
131func (v *View) SetFocused(focused bool) { v.focused = focused }
133// Focused reports whether this view has the keyboard focus.
134func (v *View) Focused() bool { return v.focused }
136// CanFocus reports that this widget takes the keyboard.
137func (v *View) CanFocus() bool { return true }
139// Input returns what has been typed and not yet sent.
140func (v *View) Input() string { return strings.Join(v.input, "\n") }
142// SetInput replaces what has been typed, putting the cursor at the end.
143func (v *View) SetInput(text string) {
144	v.input = strings.Split(text, "\n")
145	v.cursor = len(v.input) - 1
146	v.column = len([]rune(v.input[v.cursor]))
149// Send hands the input to the agent and clears the box.
151// It does nothing with an empty box: Enter on a blank line is somebody
152// thinking, not a turn worth spending. A file named with "@" goes along as a
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25)   153// mention, so the agent is given the file and not merely its name; a paste
154// standing in the box as a token goes along as its text.
   155func (v *View) Send() {
156	text := strings.TrimSpace(v.Input())
157	if text == "" {
158
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25)   161	v.session.PromptWith(text, v.pastesIn(text), v.mentions(text)...)
   162	v.SetInput("")
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25)   163	v.pastes = nil
   164	v.follow = true
167// transcriptHeight is how many rows the conversation gets, leaving room for
168// the rule and the box below it.
169func (v *View) transcriptHeight() int {
170	return max(v.Bounds().H-InputHeight-1, 0)
173// transcriptRect is where the conversation is, in absolute coordinates, for
174// hit-testing a click.
175func (v *View) transcriptRect() ui.Rect {
176	bounds := v.Bounds()
177	return ui.Rect{X: bounds.X, Y: bounds.Y, W: bounds.W, H: v.transcriptHeight()}
180// inputRect is where what you type is, in absolute coordinates.
181func (v *View) inputRect() ui.Rect {
182	bounds := v.Bounds()
183	top := bounds.Y + v.transcriptHeight() + 1
184	return ui.Rect{X: bounds.X, Y: top, W: bounds.W, H: max(bounds.Bottom()-top, 0)}
187// lines lays the conversation out at the current width.
188func (v *View) lines() []Line {
189	width := max(v.Bounds().W-3, 1) // the margin, the scroll bar, and a space
190	return Lines(v.session.Entries(), v.session.AgentName(), width)

🛟 Updated. 28d5985 k33g yesterday	1	package acp
	2
	3	import (
	4	"strings"
	5	"time"
	6
📦 Turbo Core f3ade8d k33g yesterday	7	"rickub.com/turbo-editors/turbo-core/syntax"
📦 Turbo Core f3ade8d k33g yesterday	8	"rickub.com/turbo-editors/turbo-core/ui"
🛟 Updated. 28d5985 k33g yesterday	9	)
	10
	11	// InputHeight is how many rows the box you type into takes, not counting the
	12	// rule above it. Three is enough for a sentence that wrapped once, and leaves
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25) fe23288 k33g 11h ago	13	// the conversation the rest; a longer prompt scrolls inside the box.
🛟 Updated. 28d5985 k33g yesterday	14	const InputHeight = 3
	15
	16	// View is the inside of an agent window: the conversation above, a box to type
	17	// in below.
	18	//
	19	// It draws from whatever the session's transcript says at that moment and
	20	// keeps no copy, so a reply arriving on the connection's goroutine shows up on
	21	// the next turn of the event loop with nothing to keep in step.
	22	//
	23	// view := acp.NewView(session)
	24	// window := ui.NewWindow(session.Agent().Name, view)
	25	type View struct {
	26	ui.Box
	27
	28	session *Session
	29
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25) fe23288 k33g 11h ago	30	// input is what has been typed but not sent, as lines — the ones Alt-Enter
	31	// makes. How they wrap to the pane is worked out when drawing (input.go).
🛟 Updated. 28d5985 k33g yesterday	32	input []string
	33	cursor int // which line the cursor is on
	34	column int // and where in it, in runes
	35
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25) fe23288 k33g 11h ago	36	// pastes is the text kept aside for each token in the box (paste.go), and
	37	// pasteCount numbers them for the life of the window, so that "#1" in an
	38	// earlier exchange is not the same thing as "#1" in this one.
	39	pastes []Paste
	40	pasteCount int
	41
🛟 Updated. 28d5985 k33g yesterday	42	// scroll is how many laid-out lines are hidden above the top of the
	43	// conversation, and follow says to keep the last line in sight as the
	44	// agent writes.
	45	scroll int
	46	follow bool
	47
	48	// onTranscript has the focus when false. Two panes and one Tab between
	49	// them is enough of a focus model for a window with two things in it.
	50	onInput bool
	51	focused bool
	52
	53	// laidOut is the conversation as it was last drawn, kept so that a click
	54	// and a scroll agree with what is on the screen.
	55	laidOut int
	56
	57	// caret is the line of the conversation the cursor is on, and anchor the
	58	// other end of the selection, or noSelection. Both are indices into the
	59	// laid-out lines, which are re-wrapped at the current width every frame —
	60	// so a resize moves them, which is the same bargain the scroll position
	61	// already makes.
	62	caret int
	63	anchor int
	64
	65	// dragging says a selection is being made with the mouse held down.
	66	dragging bool
	67
	68	// OnCopy is given the text to put on the clipboard. It is a field rather
	69	// than a parameter because nothing here starts a goroutine that reads it,
	70	// and because what a clipboard is belongs to the editor around this
	71	// window rather than to the window.
	72	OnCopy func(text string)
	73
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25) fe23288 k33g 11h ago	74	// OnPaste returns what the editor's clipboard holds, for Ctrl-V and
	75	// Shift-Ins. Same shape as OnCopy, for the same reasons; nil means those
	76	// keys paste nothing. A paste from outside the editor does not come this
	77	// way: the terminal brackets it and the editor hands it to Paste whole.
	78	OnPaste func() string
	79
🛟 Updated. 28d5985 k33g yesterday	80	// Files returns the project's files, for the picker "@" opens and for
	81	// telling a mention from an email address when the prompt is sent. It is
	82	// the editor's to supply because the editor knows where the project is;
	83	// nil means "@" is only ever a character.
	84	Files func() []Mention
	85
	86	// picker is the popup that opens over the conversation while a "/" or
	87	// "@" word is being typed.
	88	picker picker
	89
	90	// now is the clock, so that the spinner can be tested without waiting for
	91	// it. Same reason editor.View and app.App have one.
	92	now func() time.Time
	93	}
	94
	95	// Span is a run of one colour on a line, re-exported so that a window drawing
	96	// a conversation need not import the syntax package for one type.
	97	type Span = syntax.Span
	98
	99	// NewView returns the inside of a window onto a session.
	100	func NewView(session Session) View {
	101	return &View{
	102	session: session,
	103	input: []string{""},
	104	follow: true,
	105	onInput: true,
	106	anchor: noSelection,
	107	now: time.Now,
	108	}
	109	}
	110
	111	// SetClock replaces the view's clock, so a test can say what the spinner shows
	112	// without waiting for a frame to come round.
	113	func (v *View) SetClock(now func() time.Time) { v.now = now }
	114
	115	// LinesForTest returns the conversation as it is currently laid out.
	116	//
	117	// Exported for the same reason app.Tick and app.Render are: the laid-out lines
	118	// are what a caret index means, and a test that wanted to put the cursor on a
	119	// particular line would otherwise have to count them by hand and go stale the
	120	// moment the layout changed.
	121	func (v *View) LinesForTest() []Line { return v.lines() }
	122
	123	// SetCaretForTest puts the transcript's cursor on a line, as clicking it would.
	124	func (v *View) SetCaretForTest(at int) { v.moveCaret(at, false) }
	125
	126	// Session returns the conversation this view is showing.
	127	func (v View) Session() Session { return v.session }
	128
	129	// SetFocused gives or takes the keyboard focus, which is what stops every open
	130	// window drawing a cursor.
	131	func (v *View) SetFocused(focused bool) { v.focused = focused }
	132
	133	// Focused reports whether this view has the keyboard focus.
	134	func (v *View) Focused() bool { return v.focused }
	135
	136	// CanFocus reports that this widget takes the keyboard.
	137	func (v *View) CanFocus() bool { return true }
	138
	139	// Input returns what has been typed and not yet sent.
	140	func (v *View) Input() string { return strings.Join(v.input, "\n") }
	141
	142	// SetInput replaces what has been typed, putting the cursor at the end.
	143	func (v *View) SetInput(text string) {
144	v.input = strings.Split(text, "\n")
145	v.cursor = len(v.input) - 1
146	v.column = len([]rune(v.input[v.cursor]))
147	}
148
149	// Send hands the input to the agent and clears the box.
150	//
151	// It does nothing with an empty box: Enter on a blank line is somebody
152	// thinking, not a turn worth spending. A file named with "@" goes along as a
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25) fe23288 k33g 11h ago	153	// mention, so the agent is given the file and not merely its name; a paste
	154	// standing in the box as a token goes along as its text.
🛟 Updated. 28d5985 k33g yesterday	155	func (v *View) Send() {
	156	text := strings.TrimSpace(v.Input())
	157	if text == "" {
	158	return
	159	}
	160
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25) fe23288 k33g 11h ago	161	v.session.PromptWith(text, v.pastesIn(text), v.mentions(text)...)
🛟 Updated. 28d5985 k33g yesterday	162	v.SetInput("")
📦 Turbo Core — files rewritten outside reload into their windows; the agent window wraps what you type and keeps a long paste aside as a token (#28); configrepo fetches a shared .turbo-<slug> from a forge URL (#25) fe23288 k33g 11h ago	163	v.pastes = nil
🛟 Updated. 28d5985 k33g yesterday	164	v.follow = true
	165	}
	166
	167	// transcriptHeight is how many rows the conversation gets, leaving room for
	168	// the rule and the box below it.
	169	func (v *View) transcriptHeight() int {
	170	return max(v.Bounds().H-InputHeight-1, 0)
	171	}
	172
	173	// transcriptRect is where the conversation is, in absolute coordinates, for
	174	// hit-testing a click.
	175	func (v *View) transcriptRect() ui.Rect {
	176	bounds := v.Bounds()
	177	return ui.Rect{X: bounds.X, Y: bounds.Y, W: bounds.W, H: v.transcriptHeight()}
	178	}
	179
	180	// inputRect is where what you type is, in absolute coordinates.
	181	func (v *View) inputRect() ui.Rect {
	182	bounds := v.Bounds()
	183	top := bounds.Y + v.transcriptHeight() + 1
	184	return ui.Rect{X: bounds.X, Y: top, W: bounds.W, H: max(bounds.Bottom()-top, 0)}
	185	}
	186
	187	// lines lays the conversation out at the current width.
	188	func (v *View) lines() []Line {
	189	width := max(v.Bounds().W-3, 1) // the margin, the scroll bar, and a space
	190	return Lines(v.session.Entries(), v.session.AgentName(), width)
	191	}