wayland-cursor.h 2.6 KB

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  1. /*
  2. * Copyright © 2012 Intel Corporation
  3. *
  4. * Permission is hereby granted, free of charge, to any person obtaining
  5. * a copy of this software and associated documentation files (the
  6. * "Software"), to deal in the Software without restriction, including
  7. * without limitation the rights to use, copy, modify, merge, publish,
  8. * distribute, sublicense, and/or sell copies of the Software, and to
  9. * permit persons to whom the Software is furnished to do so, subject to
  10. * the following conditions:
  11. *
  12. * The above copyright notice and this permission notice (including the
  13. * next paragraph) shall be included in all copies or substantial
  14. * portions of the Software.
  15. *
  16. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  20. * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  21. * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23. * SOFTWARE.
  24. */
  25. #ifndef WAYLAND_CURSOR_H
  26. #define WAYLAND_CURSOR_H
  27. #include <stdint.h>
  28. #ifdef __cplusplus
  29. extern "C" {
  30. #endif
  31. struct wl_cursor_theme;
  32. struct wl_buffer;
  33. struct wl_shm;
  34. /** A still image part of a cursor
  35. *
  36. * Use `wl_cursor_image_get_buffer()` to get the corresponding `struct
  37. * wl_buffer` to attach to your `struct wl_surface`. */
  38. struct wl_cursor_image {
  39. /** Actual width */
  40. uint32_t width;
  41. /** Actual height */
  42. uint32_t height;
  43. /** Hot spot x (must be inside image) */
  44. uint32_t hotspot_x;
  45. /** Hot spot y (must be inside image) */
  46. uint32_t hotspot_y;
  47. /** Animation delay to next frame (ms) */
  48. uint32_t delay;
  49. };
  50. /** A cursor, as returned by `wl_cursor_theme_get_cursor()` */
  51. struct wl_cursor {
  52. /** How many images there are in this cursor’s animation */
  53. unsigned int image_count;
  54. /** The array of still images composing this animation */
  55. struct wl_cursor_image **images;
  56. /** The name of this cursor */
  57. char *name;
  58. };
  59. struct wl_cursor_theme *
  60. wl_cursor_theme_load(const char *name, int size, struct wl_shm *shm);
  61. void
  62. wl_cursor_theme_destroy(struct wl_cursor_theme *theme);
  63. struct wl_cursor *
  64. wl_cursor_theme_get_cursor(struct wl_cursor_theme *theme,
  65. const char *name);
  66. struct wl_buffer *
  67. wl_cursor_image_get_buffer(struct wl_cursor_image *image);
  68. int
  69. wl_cursor_frame(struct wl_cursor *cursor, uint32_t time);
  70. int
  71. wl_cursor_frame_and_duration(struct wl_cursor *cursor, uint32_t time,
  72. uint32_t *duration);
  73. #ifdef __cplusplus
  74. }
  75. #endif
  76. #endif