partial default xkb_types "pc" {
type "KEYPAD" {
modifiers = Shift+NumLock;
map[None] = Level1;
map[Shift] = Level2;
map[NumLock] = Level2;
map[Shift+NumLock] = Level1;
level_name[Level1] = "Base";
level_name[Level2] = "Number";
};
include "extra(keypad)"
};

// On Mac keypads, level 1 and 2 are swapped
partial xkb_types "mac" {
type "KEYPAD" {
modifiers = None;
map[None] = Level2;
level_name[Level2] = "Number";
};
include "extra(keypad)"
};

partial xkb_types "microsoft" {
type "KEYPAD" {
modifiers = Shift+NumLock;
map[None] = Level1;
preserve[Shift] = Shift;
map[NumLock] = Level2;
level_name[Level1] = "Base";
level_name[Level2] = "Number";
};
include "extra(keypad)"
};

// Swiss-German style numeric keypad: Shift and NumLock operates as
// two independent modifiers; however, since we want shift state for
// the cursor keys, only three levels are used from the key mappings.
// Closest type is actually FOUR_LEVEL_X, but most numpad layouts uses
// FOUR_LEVEL_MIXED_KEYPAD so that's the one we are going to override.
partial xkb_types "shift3" {
type "FOUR_LEVEL_MIXED_KEYPAD" {
modifiers = Shift+NumLock+Control+Alt;

// NumLock Off => navigate using cursor keys
map[None] = Level1;

// NumLock Off + Shift pressed => select using cursor keys
preserve[Shift] = Shift;

// NumLock On => decimal digits
map[NumLock] = Level2;

// NumLock On + Shift pressed => auxiliary symbols,
// e.g. hexadecimal digits
map[Shift+NumLock] = Level3;

// Ctrl + Alt, regardless of NumLock and Shift => command keys
map[Control+Alt] = Level4;

// reverse map from levels to modifiers
level_name[Level1] = "Base";
level_name[Level2] = "NumLock";
level_name[Level3] = "Shift+NumLock";
level_name[Level4] = "Ctrl+Alt";
};
};