- Introduced support for multiple windows, sharing the primary editor's buffer list.
- Added `GUIFrontend::OpenNewWindow_` for creating secondary windows with independent dimensions and input handlers.
- Redesigned `WindowState` to encapsulate per-window attributes (dimensions, renderer, input, etc.).
- Updated input processing and command execution to route events based on active window, preserving window-level states.
- Enhanced SDL2 and ImGui integration for proper context management across multiple windows.
- Increased robustness by handling window closing, resizing, and cleanup of secondary windows without affecting the primary editor.
- Updated documentation and key bindings for multi-window operations (e.g., Cmd+N / Ctrl+Shift+N).
- Version updated to 1.8.0 to reflect the major GUI enhancement.
Add benchmarks for core operations, migration edge case tests, improved
buffer I/O tests, and developer guide
- Introduced `test_benchmarks.cc` for performance benchmarking of key
operations in `PieceTable` and `Buffer`, including syntax highlighting
and iteration patterns.
- Added `test_migration_coverage.cc` to provide comprehensive tests for
migration of `Buffer::Rows()` to `PieceTable` APIs, with edge cases,
boundary handling, and consistency checks.
- Enhanced `test_buffer_io.cc` with additional cases for save/load
workflows, file handling, and better integration with the core API.
- Documented architectural details and core concepts in a new
`DEVELOPER_GUIDE.md`. Highlighted design principles, code
organization, and contribution workflows.
- Introduced `BufferNew` command to create and switch to a new unnamed buffer.
- Registered `BufferNew` in the command registry and updated keymap and help text.
- Implemented `cmd_buffer_new()` to handle buffer creation and switching logic.
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- Expanded help text and command documentation with detailed keybinding descriptions.
- Added theme customization support to GUIConfig (Nord default, light/dark variants).
- Adjusted for consistent indentation and debug instrumentation in undo system.
- Enhanced test cases for multi-line, UTF-8, and branching scenarios.
