Tile

A macOS tiling window manager with stacking, Rectangle-compatible keybinds, and drag-to-snap zones.

Features

• Rectangle-compatible keyboard shortcuts — Ctrl+Opt+Arrow for halves, Ctrl+Opt+U/I/J/K for quarters, and more
• Size cycling — Press the same shortcut repeatedly to cycle through 1/2, 2/3, 1/3 sizes
• BSP tiling tree — Binary space partitioning layout with configurable gaps
• Window stacking — Tab-style stacking of multiple windows in a single pane
• Drag-to-snap — Drag windows to screen edges or existing panes to tile them
• Snap zone overlays — Visual feedback showing where windows will be placed
• Menu bar app — Runs silently in the menu bar with no dock icon

Keyboard Shortcuts

Halves

Shortcut	Action
Ctrl+Opt+Left	Left Half
Ctrl+Opt+Right	Right Half
Ctrl+Opt+Up	Top Half
Ctrl+Opt+Down	Bottom Half

Thirds

Shortcut	Action
Ctrl+Opt+D	Left Third
Ctrl+Opt+F	Center Third
Ctrl+Opt+G	Right Third

Two-Thirds

Shortcut	Action
Ctrl+Opt+E	Left Two-Thirds
Ctrl+Opt+R	Center Two-Thirds
Ctrl+Opt+T	Right Two-Thirds

Quarters

Shortcut	Action
Ctrl+Opt+U	Top-Left Quarter
Ctrl+Opt+I	Top-Right Quarter
Ctrl+Opt+J	Bottom-Left Quarter
Ctrl+Opt+K	Bottom-Right Quarter

Special

Shortcut	Action
Ctrl+Opt+Return	Maximize
Ctrl+Opt+C	Center (60% of screen)
Ctrl+Opt+Backspace	Restore original position
Ctrl+Opt+=	Equalize all splits
Ctrl+Opt+Z	Toggle zoom

Tiling

Shortcut	Action
Ctrl+Opt+Shift+Arrow	Move window to adjacent pane
Ctrl+Opt+Cmd+Arrow	Swap panes

Architecture

tile/
├── src/
│   ├── main.rs         — app entry, permission check, run loop
│   ├── app.rs          — TileApp, AppState, hotkey dispatch, status bar
│   └── drag.rs         — drag-to-snap monitor
├── crates/
│   ├── tile_core/      — zone tree (BSP), layout algorithms, snap detection, types
│   ├── tile_ax/        — Accessibility API (window list, move, resize, observe)
│   ├── tile_hotkeys/   — Carbon global hotkeys with Rectangle bindings
│   └── tile_overlay/   — NSWindow-based snap zone overlay rendering

Building

cargo build --release

Requires:

• macOS 13+ (Ventura or later)
• Xcode Command Line Tools
• Accessibility permissions (prompted on first run)

Permissions

Tile uses the macOS Accessibility API to move and resize windows. On first launch, it will prompt you to grant Accessibility access in System Settings > Privacy & Security > Accessibility.

License

Mozilla Public License 2.0 (MPL-2.0)