# MOUSE_MASK_MODIFIERS

- **Language:** C
- **Kind:** constant
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/tmux.h#L1561
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-define-tmux-h-mouse_mask_modifiers/

```c
#define MOUSE_MASK_MODIFIERS (MOUSE_MASK_SHIFT|MOUSE_MASK_META|MOUSE_MASK_CTRL)
```

## Referenced by

- [`popup_key_cb`](/en/tmux/3.7c/reference/c-function-popup-c-popup_key_cb/) (function)

## Referenced declarations

- [`MOUSE_MASK_CTRL`](/en/tmux/3.7c/reference/c-define-tmux-h-mouse_mask_ctrl/) (constant)
- [`MOUSE_MASK_META`](/en/tmux/3.7c/reference/c-define-tmux-h-mouse_mask_meta/) (constant)
- [`MOUSE_MASK_SHIFT`](/en/tmux/3.7c/reference/c-define-tmux-h-mouse_mask_shift/) (constant)