137 lines
4.3 KiB
C
137 lines
4.3 KiB
C
#ifndef WLR_TYPES_WLR_CURSOR_H
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#define WLR_TYPES_WLR_CURSOR_H
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#include <wayland-server.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_input_device.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <wlr/types/wlr_output.h>
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struct wlr_cursor_state;
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struct wlr_cursor {
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struct wlr_cursor_state *state;
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double x, y;
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struct {
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struct wl_signal motion;
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struct wl_signal motion_absolute;
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struct wl_signal button;
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struct wl_signal axis;
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struct wl_signal touch_up;
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struct wl_signal touch_down;
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struct wl_signal touch_motion;
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struct wl_signal touch_cancel;
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struct wl_signal tablet_tool_axis;
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struct wl_signal tablet_tool_proximity;
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struct wl_signal tablet_tool_tip;
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struct wl_signal tablet_tool_button;
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} events;
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};
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struct wlr_cursor *wlr_cursor_create();
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void wlr_cursor_destroy(struct wlr_cursor *cur);
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/**
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* Warp the cursor to the given x and y in layout coordinates. If x and y are
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* out of the layout boundaries or constraints, no warp will happen.
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*
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* `dev` may be passed to respect device mapping constraints. If `dev` is NULL,
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* device mapping constraints will be ignored.
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*
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* Returns true when the mouse warp was successful.
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*/
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bool wlr_cursor_warp(struct wlr_cursor *cur, struct wlr_input_device *dev,
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double x, double y);
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void wlr_cursor_warp_absolute(struct wlr_cursor *cur,
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struct wlr_input_device *dev, double x_mm, double y_mm);
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/**
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* Move the cursor in the direction of the given x and y coordinates.
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*
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* `dev` may be passed to respect device mapping constraints. If `dev` is NULL,
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* device mapping constraints will be ignored.
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*/
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void wlr_cursor_move(struct wlr_cursor *cur, struct wlr_input_device *dev,
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double delta_x, double delta_y);
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/**
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* Set the cursor image. stride is given in bytes. If pixels is NULL, hides the
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* cursor.
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*
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* If scale isn't zero, the image is only set on outputs having the provided
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* scale.
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*/
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void wlr_cursor_set_image(struct wlr_cursor *cur, const uint8_t *pixels,
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int32_t stride, uint32_t width, uint32_t height, int32_t hotspot_x,
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int32_t hotspot_y, float scale);
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/**
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* Set the cursor surface. The surface can be committed to update the cursor
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* image. The surface position is substracted from the hotspot. A NULL surface
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* commit hides the cursor.
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*/
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void wlr_cursor_set_surface(struct wlr_cursor *cur, struct wlr_surface *surface,
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int32_t hotspot_x, int32_t hotspot_y);
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/**
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* Attaches this input device to this cursor. The input device must be one of:
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*
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* - WLR_INPUT_DEVICE_POINTER
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* - WLR_INPUT_DEVICE_TOUCH
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* - WLR_INPUT_DEVICE_TABLET_TOOL
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*/
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void wlr_cursor_attach_input_device(struct wlr_cursor *cur,
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struct wlr_input_device *dev);
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void wlr_cursor_detach_input_device(struct wlr_cursor *cur,
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struct wlr_input_device *dev);
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/**
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* Uses the given layout to establish the boundaries and movement semantics of
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* this cursor. Cursors without an output layout allow infinite movement in any
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* direction and do not support absolute input events.
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*/
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void wlr_cursor_attach_output_layout(struct wlr_cursor *cur,
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struct wlr_output_layout *l);
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/**
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* Attaches this cursor to the given output, which must be among the outputs in
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* the current output_layout for this cursor. This call is invalid for a cursor
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* without an associated output layout.
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*/
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void wlr_cursor_map_to_output(struct wlr_cursor *cur,
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struct wlr_output *output);
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/**
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* Maps all input from a specific input device to a given output. The input
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* device must be attached to this cursor and the output must be among the
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* outputs in the attached output layout.
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*/
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void wlr_cursor_map_input_to_output(struct wlr_cursor *cur,
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struct wlr_input_device *dev, struct wlr_output *output);
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/**
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* Maps this cursor to an arbitrary region on the associated wlr_output_layout.
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*/
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void wlr_cursor_map_to_region(struct wlr_cursor *cur, struct wlr_box *box);
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/**
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* Maps inputs from this input device to an arbitrary region on the associated
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* wlr_output_layout.
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*/
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void wlr_cursor_map_input_to_region(struct wlr_cursor *cur,
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struct wlr_input_device *dev, struct wlr_box *box);
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/**
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* Convert absolute coordinates to layout coordinates for the device.
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*/
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bool wlr_cursor_absolute_to_layout_coords(struct wlr_cursor *cur,
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struct wlr_input_device *device, double x_mm, double y_mm,
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double width_mm, double height_mm, double *lx, double *ly);
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#endif
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