guint
_gdk_wayland_cursor_get_next_image_index (GdkCursor *cursor,
guint current_image_index,
guint *next_image_delay)
{
struct wl_cursor *wl_cursor = GDK_WAYLAND_CURSOR (cursor)->wl_cursor;
if (wl_cursor && wl_cursor->image_count > 1)
{
if (current_image_index >= wl_cursor->image_count)
{
g_warning (G_STRLOC " out of bounds cursor image [%d / %d]",
current_image_index, wl_cursor->image_count - 1);
current_image_index = 0;
}
/* Return the time to next image */
if (next_image_delay)
*next_image_delay = wl_cursor->images[current_image_index]->delay;
return (current_image_index + 1) % wl_cursor->image_count;
}
else
return current_image_index;
}
static void
gdk_wayland_cursor_finalize (GObject *object)
{
GdkWaylandCursor *cursor = GDK_WAYLAND_CURSOR (object);
g_free (cursor->name);
if (cursor->surface.cairo_surface)
cairo_surface_destroy (cursor->surface.cairo_surface);
G_OBJECT_CLASS (_gdk_wayland_cursor_parent_class)->finalize (object);
}
struct wl_buffer *
_gdk_wayland_cursor_get_buffer (GdkCursor *cursor,
guint image_index,
int *hotspot_x,
int *hotspot_y,
int *w,
int *h,
int *scale)
{
GdkWaylandCursor *wayland_cursor = GDK_WAYLAND_CURSOR (cursor);
if (wayland_cursor->wl_cursor)
{
struct wl_cursor_image *image;
if (image_index >= wayland_cursor->wl_cursor->image_count)
{
g_warning (G_STRLOC " out of bounds cursor image [%d / %d]",
image_index,
wayland_cursor->wl_cursor->image_count - 1);
image_index = 0;
}
image = wayland_cursor->wl_cursor->images[image_index];
*hotspot_x = image->hotspot_x / wayland_cursor->scale;
*hotspot_y = image->hotspot_y / wayland_cursor->scale;
*w = image->width / wayland_cursor->scale;
*h = image->height / wayland_cursor->scale;
*scale = wayland_cursor->scale;
return wl_cursor_image_get_buffer (image);
}
else if (wayland_cursor->name == NULL) /* From surface */
{
*hotspot_x =
wayland_cursor->surface.hotspot_x / wayland_cursor->surface.scale;
*hotspot_y =
wayland_cursor->surface.hotspot_y / wayland_cursor->surface.scale;
*w = wayland_cursor->surface.width / wayland_cursor->surface.scale;
*h = wayland_cursor->surface.height / wayland_cursor->surface.scale;
*scale = wayland_cursor->surface.scale;
cairo_surface_reference (wayland_cursor->surface.cairo_surface);
if (wayland_cursor->surface.cairo_surface)
return _gdk_wayland_shm_surface_get_wl_buffer (wayland_cursor->surface.cairo_surface);
}
return NULL;
}
void
_gdk_wayland_cursor_set_scale (GdkCursor *cursor,
guint scale)
{
GdkWaylandDisplay *wayland_display =
GDK_WAYLAND_DISPLAY (gdk_cursor_get_display (cursor));
GdkWaylandCursor *wayland_cursor = GDK_WAYLAND_CURSOR (cursor);
if (scale > GDK_WAYLAND_MAX_THEME_SCALE)
{
g_warning (G_STRLOC ": cursor theme size %u too large", scale);
scale = GDK_WAYLAND_MAX_THEME_SCALE;
}
if (wayland_cursor->scale == scale)
return;
wayland_cursor->scale = scale;
_gdk_wayland_cursor_update (wayland_display, wayland_cursor);
}
