Include all libxcb utils (wm, util, image, errors, cursor)

1 files changed, 169 insertions, 0 deletions

diff --git a/depends/libxcb-cursor/xcb/cursor.h b/depends/libxcb-cursor/xcb/cursor.h
new file mode 100644
index 0000000..455dc34
--- /dev/null
+++ b/depends/libxcb-cursor/xcb/cursor.h
@@ -0,0 +1,169 @@
+/*
+ * vim:ts=4:sw=4:expandtab
+ *
+ * Copyright © 2013 Michael Stapelberg
+ *
+ * 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 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 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.
+ *
+ * Except as contained in this notice, the names of the authors or their
+ * institutions shall not be used in advertising or otherwise to promote the
+ * sale, use or other dealings in this Software without prior written
+ * authorization from the authors.
+ *
+ */
+#ifndef CURSOR_H
+#define CURSOR_H
+
+#include <xcb/render.h>
+
+#include "xcb_cursor.h"
+
+enum {
+    RM_XCURSOR_THEME = 0,
+    RM_XCURSOR_SIZE,
+    RM_XFT_DPI,
+    RM_MAX,
+};
+
+enum render_version {
+    RV_NONE = 0,
+    /* RENDER's CreateCursor was added in RENDER 0.5 */
+    RV_CURSOR,
+    /* RENDER's CreateAnimCursor was added in RENDER 0.8 */
+    RV_ANIM_CURSOR
+};
+
+struct xcb_cursor_context_t {
+    xcb_connection_t *conn;
+    xcb_window_t root;
+
+    xcb_font_t cursor_font;
+
+    xcb_render_query_pict_formats_reply_t *pf_reply;
+
+    /* This is a pointer into pf_reply. */
+    xcb_render_pictforminfo_t *pict_format;
+
+    /* Specific values of the root window’s RESOURCE_MANAGER atom contents. */
+    char *rm[RM_MAX];
+
+    /* Best cursor size. If a file contains multiple cursor images, the images
+     * which match the size best will be loaded. */
+    uint32_t size;
+
+    const char *home;
+    const char *path;
+
+    enum render_version render_version;
+};
+
+/*
+ * Cursor files start with a header.  The header
+ * contains a magic number, a version number and a
+ * table of contents which has type and offset information
+ * for the remaining tables in the file.
+ *  
+ * File minor versions increment for compatible changes
+ * File major versions increment for incompatible changes (never, we hope)
+ *      
+ * Chunks of the same type are always upward compatible.  Incompatible
+ * changes are made with new chunk types; the old data can remain under
+ * the old type.  Upward compatible changes can add header data as the
+ * header lengths are specified in the file.
+ *      
+ *  File:   
+ *      FileHeader
+ *      LISTofChunk
+ *      
+ *  FileHeader:
+ *      CARD32          magic       magic number
+ *      CARD32          header      bytes in file header
+ *      CARD32          version     file version
+ *      CARD32          ntoc        number of toc entries
+ *      LISTofFileToc   toc         table of contents
+ *      
+ *  FileToc:
+ *      CARD32          type        entry type
+ *      CARD32          subtype     entry subtype (size for images)
+ *      CARD32          position    absolute file position
+ */
+
+/* little-endian */
+#define XCURSOR_MAGIC 0x72756358
+
+typedef struct xcint_file_header_t {
+    uint32_t magic;
+    uint32_t header;
+    uint32_t version;
+    uint32_t ntoc;
+} __attribute__((packed)) xcint_file_header_t;
+
+typedef struct xcint_file_toc_t {
+    uint32_t type;
+    uint32_t subtype;
+    uint32_t position;
+} __attribute__((packed)) xcint_file_toc_t;
+
+typedef struct xcint_cursor_file_t {
+    xcint_file_header_t header;
+    xcint_file_toc_t *tocs;
+} xcint_cursor_file_t;
+
+/*
+ * The rest of the file is a list of chunks, each tagged by type
+ * and version.
+ *
+ *  Chunk:
+ *      ChunkHeader
+ *      <extra type-specific header fields>
+ *      <type-specific data>
+ *
+ *  ChunkHeader:
+ *      CARD32      header      bytes in chunk header + type header
+ *      CARD32      type        chunk type
+ *      CARD32      subtype     chunk subtype
+ *      CARD32      version     chunk type version
+ */
+
+typedef struct xcint_chunk_header_t {
+    uint32_t header;
+    uint32_t type;
+    uint32_t subtype;
+    uint32_t version;
+} __attribute__((packed)) xcint_chunk_header_t;
+
+#define XCURSOR_IMAGE_TYPE          0xfffd0002
+#define XCURSOR_IMAGE_VERSION       1
+#define XCURSOR_IMAGE_MAX_SIZE      0x7fff      /* 32767x32767 max cursor size */
+
+typedef struct xcint_image_t {
+    uint32_t width;
+    uint32_t height;
+    uint32_t xhot;
+    uint32_t yhot;
+    uint32_t delay;
+    uint32_t *pixels;
+} __attribute__((packed)) xcint_image_t;
+
+/* shape_to_id.c */
+const int cursor_shape_to_id(const char *name);
+
+/* parse_cursor_file.c */
+int parse_cursor_file(xcb_cursor_context_t *c, const int fd, xcint_image_t **images, int *nimg);
+
+#endif