text: #ifndef ROOTSTON_CURSOR_H
  #define ROOTSTON_CURSOR_H
  
  #include <wlr/types/wlr_pointer_constraints_v1.h>
  #include "rootston/seat.h"
  
  enum roots_cursor_mode {
  	ROOTS_CURSOR_PASSTHROUGH = 0,
  	ROOTS_CURSOR_MOVE = 1,
  	ROOTS_CURSOR_RESIZE = 2,
  	ROOTS_CURSOR_ROTATE = 3,
  };
  
  struct roots_cursor {
  	struct roots_seat *seat;
  	struct wlr_cursor *cursor;
  
  	struct wlr_pointer_constraint_v1 *active_constraint;
  	pixman_region32_t confine; // invalid if active_constraint == NULL
  
  	const char *default_xcursor;
  
  	enum roots_cursor_mode mode;
  
  	// state from input (review if this is necessary)
  	struct wlr_xcursor_manager *xcursor_manager;
  	struct wlr_seat *wl_seat;
  	struct wl_client *cursor_client;
  	int offs_x, offs_y;
  	int view_x, view_y, view_width, view_height;
  	float view_rotation;
  	uint32_t resize_edges;
  
  	struct roots_seat_view *pointer_view;
  	struct wlr_surface *wlr_surface;
  
  	struct wl_listener motion;
  	struct wl_listener motion_absolute;
  	struct wl_listener button;
  	struct wl_listener axis;
  	struct wl_listener frame;
  
  	struct wl_listener touch_down;
  	struct wl_listener touch_up;
  	struct wl_listener touch_motion;
  
  	struct wl_listener tool_axis;
  	struct wl_listener tool_tip;
  	struct wl_listener tool_proximity;
  	struct wl_listener tool_button;
  
  	struct wl_listener request_set_cursor;
  
  	struct wl_listener focus_change;
  
  	struct wl_listener constraint_commit;
  };
  
  struct roots_cursor *roots_cursor_create(struct roots_seat *seat);
  
  void roots_cursor_destroy(struct roots_cursor *cursor);
  
  void roots_cursor_handle_motion(struct roots_cursor *cursor,
  	struct wlr_event_pointer_motion *event);
  
  void roots_cursor_handle_motion_absolute(struct roots_cursor *cursor,
  	struct wlr_event_pointer_motion_absolute *event);
  
  void roots_cursor_handle_button(struct roots_cursor *cursor,
  	struct wlr_event_pointer_button *event);
  
  void roots_cursor_handle_axis(struct roots_cursor *cursor,
  	struct wlr_event_pointer_axis *event);
  
  void roots_cursor_handle_frame(struct roots_cursor *cursor);
  
  void roots_cursor_handle_touch_down(struct roots_cursor *cursor,
  	struct wlr_event_touch_down *event);
  
  void roots_cursor_handle_touch_up(struct roots_cursor *cursor,
  	struct wlr_event_touch_up *event);
  
  void roots_cursor_handle_touch_motion(struct roots_cursor *cursor,
  	struct wlr_event_touch_motion *event);
  
  void roots_cursor_handle_tool_axis(struct roots_cursor *cursor,
  	struct wlr_event_tablet_tool_axis *event);
  
  void roots_cursor_handle_tool_tip(struct roots_cursor *cursor,
  	struct wlr_event_tablet_tool_tip *event);
  
  void roots_cursor_handle_request_set_cursor(struct roots_cursor *cursor,
  	struct wlr_seat_pointer_request_set_cursor_event *event);
  
  void roots_cursor_handle_focus_change(struct roots_cursor *cursor,
  	struct wlr_seat_pointer_focus_change_event *event);
  
  void roots_cursor_handle_constraint_commit(struct roots_cursor *cursor);
  
  void roots_cursor_update_position(struct roots_cursor *cursor,
  	uint32_t time);
  
  void roots_cursor_update_focus(struct roots_cursor *cursor);
  
  void roots_cursor_constrain(struct roots_cursor *cursor,
  	struct wlr_pointer_constraint_v1 *constraint, double sx, double sy);
  
  #endif
  