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cursor: Add a default cursor theme

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This theme is loaded when the specified cursor theme can not be found.

These cursors are extracted from the xorg sources and transformed into
raw ARGB data by a small helper program (commited separately).
This commit is contained in:
Philipp Brüschweiler 2012-09-06 18:54:01 +02:00 • committed by Kristian Høgsberg
parent 2be6e0ed14
commit 9ce9336c57
2 changed files with 618 additions and 1 deletions
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71
cursor/wayland-cursor.c
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@ -181,6 +181,71 @@ wl_cursor_destroy(struct wl_cursor *cursor)
free(cursor);
}
#include "cursor_data.c"
static struct wl_cursor *
wl_cursor_create_from_data(struct cursor_metadata *metadata,
struct wl_cursor_theme *theme)
{
struct cursor *cursor;
struct cursor_image *image;
int size;
cursor = malloc(sizeof *cursor);
if (!cursor)
return NULL;
cursor->cursor.image_count = 1;
cursor->cursor.images = malloc(sizeof *cursor->cursor.images);
if (!cursor->cursor.images) {
free(cursor);
return NULL;
}
cursor->cursor.name = strdup(metadata->name);
cursor->total_delay = 0;
image = malloc(sizeof *image);
if (!image) {
free(cursor->cursor.name);
free(cursor->cursor.images);
free(cursor);
return NULL;
}
cursor->cursor.images[0] = (struct wl_cursor_image *) image;
image->theme = theme;
image->buffer = NULL;
image->image.width = metadata->width;
image->image.height = metadata->height;
image->image.hotspot_x = metadata->hotspot_x;
image->image.hotspot_y = metadata->hotspot_y;
image->image.delay = 0;
size = metadata->width * metadata->height * sizeof(uint32_t);
image->offset = shm_pool_allocate(theme->pool, size);
memcpy(theme->pool->data + image->offset,
cursor_data + metadata->offset, size);
return &cursor->cursor;
}
static void
load_default_theme(struct wl_cursor_theme *theme)
{
uint32_t i;
free(theme->name);
theme->name = strdup("default");
theme->cursor_count = ARRAY_LENGTH(cursor_metadata);;
theme->cursors = malloc(theme->cursor_count * sizeof(*theme->cursors));
for (i = 0; i < theme->cursor_count; ++i)
theme->cursors[i] =
wl_cursor_create_from_data(&cursor_metadata[i], theme);
}
static struct wl_cursor *
wl_cursor_create_from_xcursor_images(XcursorImages *images,
struct wl_cursor_theme *theme)
@ -261,7 +326,8 @@ load_callback(XcursorImages *images, void *data)
* \param shm The compositor's shm interface.
*
* \return An object representing the theme that should be destroyed with
* wl_cursor_theme_destroy() or %NULL on error.
* wl_cursor_theme_destroy() or %NULL on error. If no theme with the given
* name exists, a default theme will be loaded.
*/
WL_EXPORT struct wl_cursor_theme *
wl_cursor_theme_load(const char *name, int size, struct wl_shm *shm)
@ -290,6 +356,9 @@ wl_cursor_theme_load(const char *name, int size, struct wl_shm *shm)
xcursor_load_theme(name, size, load_callback, theme);
if (theme->cursor_count == 0)
load_default_theme(theme);
return theme;
}