CapsHotkey

Use CapsLock as a navigation and editing modifier on Windows.

Default Hotkeys

Hold CapsLock and press:

Key	Action
H / J / K / L	Left / Down / Up / Right
A / E	Home / End
B / F	Ctrl+Left / Ctrl+Right
D	Delete
Y / P	Copy / Paste
W	Delete previous word and copy it
U	Delete to line start and copy it
C	Delete to line end and copy it
S	Delete current line and copy it
O	Insert a blank line above
M	Context menu
Q	Quit CapsHotkey
' / ;	Mouse wheel up / down

Tap CapsLock alone to toggle CapsLock normally.

Config

User mappings are loaded from caps.cfg next to CapsHotkey.exe. The file is hot-reloaded when saved.

Example:

h = Left
u = Shift Home, Ctrl Insert, Delete

Build

cmake -S . -B build_release
cmake --build build_release --config Release
ctest --test-dir build_release -C Release --output-on-failure

The executable is generated at build_release\Release\CapsHotkey.exe.