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Add indentation engine and other fixes

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Syed Daanish
2026-01-12 22:48:51 +00:00
parent 9ed640c88e
commit 04cce25bf2
26 changed files with 763 additions and 186 deletions
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TODO.md
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@@ -4,36 +4,45 @@ Copyright 2025 Syed Daanish
### Critical Fixes
* [ ] **Critical Crash:** Fix bug where closing immediately while LSP is still loading hangs and then segfaults (especially on slow ones like fish-lsp).
* [ ] **Navigation Bug:** Fix bug where `Alt+Up` at EOF adds an extra line.
##### Check each lsp with each of the features implemented
* [ ] **LSP Bug:** Check why `fish-lsp` is behaving so off with completions filtering.
* [ ] **File IO:** Normalize/validate unicode on file open (enforce UTF-8, handle other types gracefully).
* [ ] **Critical Crash:** Fix bug where closing immediately while LSP is still loading hangs and then segfaults (especially on slow ones like fish-lsp).
* [ ] **Navigation Bug:** Fix bug where `Alt+Up` at EOF adds an extra line.
* [ ] **Modularize handle_events functions:** The function is over 700 lines with a lot of repeating blocks. Split into smaller functions.
* [ ] **Editor Indentation Fix:**
* [ ] Keep cache of language maps in engine to reduce lookup time.
* [ ] In indents add function to support tab which indents if before any content and inserts a pure \t otherwise.
* [ ] And backspace which undents if before any content.
* [ ] Add block indentation support.
* [ ] Ignore comments/strings (maybe as-set by tree-sitter) when auto-indenting.
* [ ] Just use span cursor to avoid strings/comments.. And use another map for c-style single line block and add stuff like operators to it.
* [ ] These will dedent when the block immediately after them is dedented
* [ ] Dont dedent is ending is valid starting is invalid but also empty
* [ ] Just leave asis if starting is empty
* [ ] **Readme:** Update readme to show indetation mechanics.
* [ ] **LSP Bug:** Try to find out why emojis are breaking lsp edits. (check the ruby sample)
* [ ] **UI Refinement:**
* [ ] Allow completion list to be scrolled; show only `x` max items.
* [ ] Finish autocomplete box style functions.
* [ ] **Documentation UI:** Capture `Ctrl+h` / `Ctrl+l` for scrolling documentation windows.
* [ ] **Redo hooks and folding as proper engines**: With functions to checkstate/cursor like function and edits application.
* [ ] Do trextmate like regex grammar parsing with lsp symbols for semantic highlighting.
* Probably remove tre--sitter or just keep it for context tree.
* Making bracket matching andignoring strings/comments easier.
### Core Editing Mechanics
* [ ] **Undo/Redo:** Add support for undo/redo history.
* [ ] **Indentation Engine (Major Task):**
* **Startup:**
1. Scan file: Check for lines with 2+ spaces. Least count = indent. If tabs, use tabs.
2. Fallback: Use table of file types or default to 2 spaces.
3. Store as: `1 = tab`, `2+ = n spaces`.
4. Apply: Use this for indent/unindent actions.
5. Newline: Follow indent of previous line immediately (ignore default).
* **Indent/Unindent:**
* Add support for indent/unindent actions.
* that use indentation of previous line that is not comment or string or whitespace/blank.
* and try auto indent one level extra if previous line ends with colon or bracket start.
* and dedent one level extra if previous line ends with bracket end.
* **Newline:** Add support for newline actions similar to indent.
* [ ] **Auto brace selection:** Add support for auto brace selection.
* [ ] **Tree-sitter Indent:** Attempt to allow Tree-sitter to handle indentation if possible.
* [ ] **Scrolling:** Add logic where selecting at the end of the screen scrolls down (and vice versa).
* *Implementation:* Update `main.cc` to send drag events to the selected editor.
* [ ] **Documentation UI:** Capture `Ctrl+h` / `Ctrl+l` for scrolling documentation windows.
### UX
@@ -43,10 +52,6 @@ Copyright 2025 Syed Daanish
* [ ] Stop filtering case-sensitive.
* [ ] Normalize completion edits if local filtering is used.
* [ ] **UI Refinement:**
* [ ] Allow completion list to be scrolled; show only `x` max items.
* [ ] Finish autocomplete box style functions.
* [ ] **LSP Features:**
* [ ] Add LSP jumping support (Go to Definition, Hover).
* [ ] Add LSP rename support.
@@ -110,6 +115,7 @@ Copyright 2025 Syed Daanish
* [ ] **Performance:**
* [ ] Switch JSON parser to `RapidJSON` (or similar high-performance lib).
* [ ] Decrease usage of `std::string` in UI, LSP, and warnings.
* [ ] Also for vectors into managed memory especially for completions/lsp-stuff.
* [ ] **Folding:** Redo folding system and its relation to `move_line_*` functions.