Add xcursor sublibrary

include/wlr/xcursor.h

@@ -0,0 +1,66 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * This is adapted from wayland-cursor, but with the wl_shm client stuff removed
+ * so we can use it on the compositor, too.
+ */
+#ifndef _WLR_XCURSOR_H
+#define _WLR_XCURSOR_H
+#include <stdint.h>
+
+struct wlr_cursor_image {
+	uint32_t width;		/* actual width */
+	uint32_t height;	/* actual height */
+	uint32_t hotspot_x;	/* hot spot x (must be inside image) */
+	uint32_t hotspot_y;	/* hot spot y (must be inside image) */
+	uint32_t delay;		/* animation delay to next frame (ms) */
+	uint8_t *buffer;
+};
+
+struct wlr_cursor {
+	unsigned int image_count;
+	struct wlr_cursor_image **images;
+	char *name;
+	uint32_t total_delay; /* length of the animation in ms */
+};
+
+struct wlr_cursor_theme {
+	unsigned int cursor_count;
+	struct wlr_cursor **cursors;
+	char *name;
+	int size;
+};
+
+struct wlr_cursor_theme *wlr_cursor_theme_load(const char *name, int size);
+
+void wlr_cursor_theme_destroy(struct wlr_cursor_theme *theme);
+
+struct wlr_cursor *wlr_cursor_theme_get_cursor(
+		struct wlr_cursor_theme *theme, const char *name);
+
+int wlr_cursor_frame(struct wlr_cursor *cursor, uint32_t time);
+
+#endif