detached 266b1a5

interactive: browse prompt history with arrows

commit
266b1a52a4194f3fe5ec79f9442f3a61f71ab60b
author
patriceckhart · · 2026-05-03 09:26 UTC
parent
527daf7
signature
unsigned
refs
tag: v0.1.44
1 file · +89 -0
Split
UnifiedSplit
M internal/agent/modes/interactive.go +89 -0
@@ -253,6 +253,12 @@ type Interactive struct {
253253 parkedTurn int
254254 parkedTotal int
255255
256+ // inputHistoryIndex is -1 when not browsing history. When the
257+ // editor is empty, Left/Right can walk previous user prompts for
258+ // quick manual testing without stealing normal cursor movement in
259+ // non-empty input.
260+ inputHistoryIndex int
261+
256262 // lastCtrlC is when the user last pressed ctrl+c. The first press
257263 // clears the editor / cancels a turn / shows a hint; a second press
258264 // within ctrlCExitWindow exits. Mirrors the python-repl convention.
@@ -305,6 +311,7 @@ func NewInteractive(cfg InteractiveConfig) *Interactive {
305311 suggest: newSlashSuggester(),
306312 fileSuggest: newFileSuggester(),
307313 spin: newSpinner(),
314+ inputHistoryIndex: -1,
308315 }
309316 if cfg.Agent != nil {
310317 i.agent = cfg.Agent
@@ -1635,6 +1642,13 @@ func (i *Interactive) handleKey(ctx context.Context, k tui.Key) (done bool) {
16351642 }
16361643 }
16371644
1645+ if i.handleInputHistoryKey(k) {
1646+ return false
1647+ }
1648+ if i.inputHistoryIndex >= 0 && k.Kind != tui.KeyLeft && k.Kind != tui.KeyRight {
1649+ i.inputHistoryIndex = -1
1650+ }
1651+
16381652 if submit := i.ed.HandleKey(k); submit {
16391653 // SubmitValue() expands any [pasted text #N +L lines]
16401654 // placeholders back into their bodies; the raw Value()
@@ -1646,6 +1660,7 @@ func (i *Interactive) handleKey(ctx context.Context, k tui.Key) (done bool) {
16461660 return false
16471661 }
16481662 i.ed.Clear()
1663+ i.inputHistoryIndex = -1
16491664 i.suggest.Reset()
16501665 i.fileSuggest.Reset()
16511666
@@ -1713,10 +1728,84 @@ func (i *Interactive) handleKey(ctx context.Context, k tui.Key) (done bool) {
17131728 return false
17141729 }
17151730
1731+func (i *Interactive) handleInputHistoryKey(k tui.Key) bool {
1732+ if k.Kind != tui.KeyLeft && k.Kind != tui.KeyRight {
1733+ return false
1734+ }
1735+ // Do not steal normal cursor movement. History browsing can only
1736+ // start from an empty editor; once active, Left/Right keep walking
1737+ // the ring so repeated presses work even though the editor now
1738+ // contains the selected historical prompt.
1739+ if i.inputHistoryIndex < 0 && !i.ed.IsEmpty() {
1740+ return false
1741+ }
1742+ hist := i.inputHistory()
1743+ if len(hist) == 0 {
1744+ return false
1745+ }
1746+
1747+ if i.inputHistoryIndex < 0 {
1748+ // Start just after the newest item so Left lands on the most
1749+ // recent user prompt and Right keeps the editor empty.
1750+ i.inputHistoryIndex = len(hist)
1751+ }
1752+
1753+ switch k.Kind {
1754+ case tui.KeyLeft:
1755+ if i.inputHistoryIndex > 0 {
1756+ i.inputHistoryIndex--
1757+ }
1758+ case tui.KeyRight:
1759+ if i.inputHistoryIndex < len(hist) {
1760+ i.inputHistoryIndex++
1761+ }
1762+ }
1763+
1764+ if i.inputHistoryIndex >= len(hist) {
1765+ i.ed.Clear()
1766+ } else {
1767+ i.ed.SetValue(hist[i.inputHistoryIndex])
1768+ }
1769+ return true
1770+}
1771+
1772+func (i *Interactive) inputHistory() []string {
1773+ if i.agent == nil {
1774+ return nil
1775+ }
1776+ msgs := i.agent.Messages()
1777+ hist := make([]string, 0, len(msgs))
1778+ for _, m := range msgs {
1779+ if m.Role != provider.RoleUser || isHiddenTranscriptMessage(m) {
1780+ continue
1781+ }
1782+ text := userMessageText(m)
1783+ if strings.TrimSpace(text) == "" {
1784+ continue
1785+ }
1786+ hist = append(hist, text)
1787+ }
1788+ return hist
1789+}
1790+
1791+func userMessageText(m provider.Message) string {
1792+ var sb strings.Builder
1793+ for _, c := range m.Content {
1794+ if tb, ok := c.(provider.TextBlock); ok {
1795+ if sb.Len() > 0 {
1796+ sb.WriteByte('\n')
1797+ }
1798+ sb.WriteString(tb.Text)
1799+ }
1800+ }
1801+ return sb.String()
1802+}
1803+
17161804 // invokeExtensionCommand fires an extension-registered slash command
17171805 // in a background goroutine, awaits the response, and applies the
17181806 // requested action (prompt / insert / display / noop). Errors and
17191807 // timeouts surface as a status_err line.
1808+
17201809 func (i *Interactive) invokeExtensionCommand(ctx context.Context, name, args string) {
17211810 resp, err := i.cfg.Extensions.Invoke(ctx, name, args, 30*time.Second)
17221811 if err != nil {
@@ -253,6 +253,12 @@ type Interactive struct {
253 parkedTurn int253 parkedTurn int
254 parkedTotal int254 parkedTotal int
255 255
256+ // inputHistoryIndex is -1 when not browsing history. When the
257+ // editor is empty, Left/Right can walk previous user prompts for
258+ // quick manual testing without stealing normal cursor movement in
259+ // non-empty input.
260+ inputHistoryIndex int
261+
256 // lastCtrlC is when the user last pressed ctrl+c. The first press262 // lastCtrlC is when the user last pressed ctrl+c. The first press
257 // clears the editor / cancels a turn / shows a hint; a second press263 // clears the editor / cancels a turn / shows a hint; a second press
258 // within ctrlCExitWindow exits. Mirrors the python-repl convention.264 // within ctrlCExitWindow exits. Mirrors the python-repl convention.
@@ -305,6 +311,7 @@ func NewInteractive(cfg InteractiveConfig) *Interactive {
305 suggest: newSlashSuggester(),311 suggest: newSlashSuggester(),
306 fileSuggest: newFileSuggester(),312 fileSuggest: newFileSuggester(),
307 spin: newSpinner(),313 spin: newSpinner(),
314+ inputHistoryIndex: -1,
308 }315 }
309 if cfg.Agent != nil {316 if cfg.Agent != nil {
310 i.agent = cfg.Agent317 i.agent = cfg.Agent
@@ -1635,6 +1642,13 @@ func (i *Interactive) handleKey(ctx context.Context, k tui.Key) (done bool) {
1635 }1642 }
1636 }1643 }
1637 1644
1645+ if i.handleInputHistoryKey(k) {
1646+ return false
1647+ }
1648+ if i.inputHistoryIndex >= 0 && k.Kind != tui.KeyLeft && k.Kind != tui.KeyRight {
1649+ i.inputHistoryIndex = -1
1650+ }
1651+
1638 if submit := i.ed.HandleKey(k); submit {1652 if submit := i.ed.HandleKey(k); submit {
1639 // SubmitValue() expands any [pasted text #N +L lines]1653 // SubmitValue() expands any [pasted text #N +L lines]
1640 // placeholders back into their bodies; the raw Value()1654 // placeholders back into their bodies; the raw Value()
@@ -1646,6 +1660,7 @@ func (i *Interactive) handleKey(ctx context.Context, k tui.Key) (done bool) {
1646 return false1660 return false
1647 }1661 }
1648 i.ed.Clear()1662 i.ed.Clear()
1663+ i.inputHistoryIndex = -1
1649 i.suggest.Reset()1664 i.suggest.Reset()
1650 i.fileSuggest.Reset()1665 i.fileSuggest.Reset()
1651 1666
@@ -1713,10 +1728,84 @@ func (i *Interactive) handleKey(ctx context.Context, k tui.Key) (done bool) {
1713 return false1728 return false
1714 }1729 }
1715 1730
1731+func (i *Interactive) handleInputHistoryKey(k tui.Key) bool {
1732+ if k.Kind != tui.KeyLeft && k.Kind != tui.KeyRight {
1733+ return false
1734+ }
1735+ // Do not steal normal cursor movement. History browsing can only
1736+ // start from an empty editor; once active, Left/Right keep walking
1737+ // the ring so repeated presses work even though the editor now
1738+ // contains the selected historical prompt.
1739+ if i.inputHistoryIndex < 0 && !i.ed.IsEmpty() {
1740+ return false
1741+ }
1742+ hist := i.inputHistory()
1743+ if len(hist) == 0 {
1744+ return false
1745+ }
1746+
1747+ if i.inputHistoryIndex < 0 {
1748+ // Start just after the newest item so Left lands on the most
1749+ // recent user prompt and Right keeps the editor empty.
1750+ i.inputHistoryIndex = len(hist)
1751+ }
1752+
1753+ switch k.Kind {
1754+ case tui.KeyLeft:
1755+ if i.inputHistoryIndex > 0 {
1756+ i.inputHistoryIndex--
1757+ }
1758+ case tui.KeyRight:
1759+ if i.inputHistoryIndex < len(hist) {
1760+ i.inputHistoryIndex++
1761+ }
1762+ }
1763+
1764+ if i.inputHistoryIndex >= len(hist) {
1765+ i.ed.Clear()
1766+ } else {
1767+ i.ed.SetValue(hist[i.inputHistoryIndex])
1768+ }
1769+ return true
1770+}
1771+
1772+func (i *Interactive) inputHistory() []string {
1773+ if i.agent == nil {
1774+ return nil
1775+ }
1776+ msgs := i.agent.Messages()
1777+ hist := make([]string, 0, len(msgs))
1778+ for _, m := range msgs {
1779+ if m.Role != provider.RoleUser || isHiddenTranscriptMessage(m) {
1780+ continue
1781+ }
1782+ text := userMessageText(m)
1783+ if strings.TrimSpace(text) == "" {
1784+ continue
1785+ }
1786+ hist = append(hist, text)
1787+ }
1788+ return hist
1789+}
1790+
1791+func userMessageText(m provider.Message) string {
1792+ var sb strings.Builder
1793+ for _, c := range m.Content {
1794+ if tb, ok := c.(provider.TextBlock); ok {
1795+ if sb.Len() > 0 {
1796+ sb.WriteByte('\n')
1797+ }
1798+ sb.WriteString(tb.Text)
1799+ }
1800+ }
1801+ return sb.String()
1802+}
1803+
1716 // invokeExtensionCommand fires an extension-registered slash command1804 // invokeExtensionCommand fires an extension-registered slash command
1717 // in a background goroutine, awaits the response, and applies the1805 // in a background goroutine, awaits the response, and applies the
1718 // requested action (prompt / insert / display / noop). Errors and1806 // requested action (prompt / insert / display / noop). Errors and
1719 // timeouts surface as a status_err line.1807 // timeouts surface as a status_err line.
1808+
1720 func (i *Interactive) invokeExtensionCommand(ctx context.Context, name, args string) {1809 func (i *Interactive) invokeExtensionCommand(ctx context.Context, name, args string) {
1721 resp, err := i.cfg.Extensions.Invoke(ctx, name, args, 30*time.Second)1810 resp, err := i.cfg.Extensions.Invoke(ctx, name, args, 30*time.Second)
1722 if err != nil {1811 if err != nil {

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