feat: add cursor-based editing to text inputs - #3698
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📝 WalkthroughWalkthroughThe pull request adds a shared Unicode-aware Suggested reviewers: Merge Risk: 🟡 Moderate · up to Some terminal key encodings can prevent worktree dialogs from submitting or cancelling, so this should be fixed before merge. Help search also hides its close hint. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Greptile SummaryThis PR introduces a shared, grapheme-aware single-line editor and integrates it with Herdr-owned naming, filtering, worktree, help, and copy-search inputs.
Confidence Score: 5/5The PR appears safe to merge; no actionable correctness, security, or repository-rule violations were identified. The shared editor preserves grapheme boundaries, clips cursor rendering, routes input according to active-field state, and keeps worktree-derived state synchronized, with comprehensive tests covering the affected fields and interactions.
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| Filename | Overview |
|---|---|
| src/client/shell/text_editor.rs | Implements the shared grapheme-aware editor, readline-style bindings, single-line normalization, kill/yank state, and clipped viewport rendering. |
| src/client/shell/overlay_input.rs | Integrates the editor with rename, navigator, and help inputs while retaining overlay-specific navigation and submission behavior. |
| src/client/shell/worktrees.rs | Integrates worktree branch and filter editing and synchronizes dependent path and selection state after content changes. |
| src/client/shell/copy_mode.rs | Routes copy-search editing and paste through the shared editor while preserving search submission and cancellation. |
| src/client/shell/render.rs | Renders horizontally scrolling copy-search text and its cursor within the available mode-bar width. |
| src/client/shell/overlays.rs | Updates rename, navigator, and help overlays to render editor-controlled viewports and cursors. |
| src/client/shell/tests/text_editing.rs | Adds comprehensive cross-field coverage for editing commands, Unicode boundaries, paste routing, rendering, resizing, and submission semantics. |
| Cargo.toml | Adds unicode-segmentation as a direct dependency for grapheme-boundary operations. |
Flowchart
%%{init: {'theme': 'neutral'}}%%
flowchart LR
A[Terminal key, text, or paste] --> B[Shell input routing]
B --> C{Active Herdr text field}
C -->|Naming overlay| D[Rename editor]
C -->|Navigator/help filter| E[Filter editor]
C -->|Worktree create/open| F[Worktree editor]
C -->|Copy search| G[Search editor]
D --> H[Shared TextEditor]
E --> H
F --> H
G --> H
H --> I[Grapheme-aware edit state]
I --> J[Viewport and cursor rendering]
I --> K[Field-specific synchronization or submission]
Reviews (1): Last reviewed commit: "feat: add cursor-based editing to text i..." | Re-trigger Greptile
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Actionable comments posted: 2
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Inline comments:
In `@src/client/shell/overlays.rs`:
- Line 1042: Update the focused help editor rendering in the h.search_focused
path to cap its rectangle’s exclusive right edge at close.x, including when
h.query is empty, so text_editor::render cannot overwrite the close-button
cells. Preserve the existing vertical position and left edge while applying the
bound around the Rect construction.
In `@src/client/shell/text_editor.rs`:
- Around line 178-183: Update route_worktree_overlay_key so Enter and Esc are
handled before the generated_text insertion block, allowing their submit and
cancel actions to run even when associated text is present. Preserve
generated_text insertion for other keys, including Tab, and use the existing
key-action handling symbols rather than adding new behavior.
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⛔ Files ignored due to path filters (1)
Cargo.lockis excluded by!**/*.lock
📒 Files selected for processing (21)
Cargo.tomlsrc/client/shell.rssrc/client/shell/actions.rssrc/client/shell/composition.rssrc/client/shell/context_menu.rssrc/client/shell/copy_mode.rssrc/client/shell/input.rssrc/client/shell/mouse.rssrc/client/shell/overlay_input.rssrc/client/shell/overlays.rssrc/client/shell/render.rssrc/client/shell/state.rssrc/client/shell/tests/agents_worktrees_notifications.rssrc/client/shell/tests/copy.rssrc/client/shell/tests/input.rssrc/client/shell/tests/mod.rssrc/client/shell/tests/popup_focus_projection.rssrc/client/shell/tests/text_editing.rssrc/client/shell/text_editor.rssrc/client/shell/worktree_overlays.rssrc/client/shell/worktrees.rs
💤 Files with no reviewable changes (1)
- src/client/shell/mouse.rs
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2 participants
Adds standard shell/TUI cursor movement, insertion, and readline shortcuts to Herdr-owned text inputs, addressing the tab-name editing problem in #1803. The same editing behavior applies to workspace/pane naming, worktree branch creation, filters, and copy-mode search.
Previously, the only things that worked were adding text at the end, deleting text at the end, or deleting the whole line of text with Ctrl-U. This adds the suite of shortcuts that users expect a TUI to support when editing a line.
Shortcuts
Left/Right,Ctrl-B/Ctrl-FHome/End,Ctrl-A/Ctrl-EAlt-B/Alt-FBackspace,Ctrl-HDelete,Ctrl-DCtrl-U/Ctrl-KCtrl-W,Alt-Backspace,Ctrl-BackspaceAlt-DCtrl-YTyping and paste insert at the cursor. Long values scroll horizontally, and movement/deletion respect Unicode grapheme boundaries. Killed text stays local to the current field. Alt shortcuts depend on the terminal reporting Alt/Meta.
A shared single-line editor drives all ten inputs. Shell and agent input are unchanged.
Demo
Validation
refs #1803