Documentation for <wlr/types/wlr_input_device.h>

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enum wlr_button_state 

enum wlr_button_state {
	WLR_BUTTON_RELEASED,
	WLR_BUTTON_PRESSED,
};

struct wlr_input_device 

struct wlr_input_device {
	enum wlr_input_device_type type;
	unsigned int vendor, product;
	char *name; // may be NULL
	
	struct {
		struct wl_signal destroy;
	} events;
	
	void *data;
};

An input device.

Depending on its type, the input device can be converted to a more specific type. See the various wlr_*_from_input_device() functions.

Input devices are typically advertised by the new_input event in struct wlr_backend.

The vendor/product are bus-specific identifiers.

enum wlr_input_device_type 

enum wlr_input_device_type {
	WLR_INPUT_DEVICE_KEYBOARD, // struct wlr_keyboard
	WLR_INPUT_DEVICE_POINTER, // struct wlr_pointer
	WLR_INPUT_DEVICE_TOUCH, // struct wlr_touch
	WLR_INPUT_DEVICE_TABLET_TOOL, // struct wlr_tablet_tool
	WLR_INPUT_DEVICE_TABLET_PAD, // struct wlr_tablet_pad
	WLR_INPUT_DEVICE_SWITCH, // struct wlr_switch
};

Type of an input device.