diff --git a/client/displayservers/Wayland/wayland.c b/client/displayservers/Wayland/wayland.c index abeee66b..59a9b316 100644 --- a/client/displayservers/Wayland/wayland.c +++ b/client/displayservers/Wayland/wayland.c @@ -17,6 +17,7 @@ this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#define _GNU_SOURCE #include #include #include @@ -54,6 +55,7 @@ struct WaylandDSState struct wl_surface * surface; struct wl_registry * registry; struct wl_seat * seat; + struct wl_shm * shm; struct wl_compositor * compositor; int32_t width, height; @@ -68,6 +70,8 @@ struct WaylandDSState struct xdg_surface * xdgSurface; struct xdg_toplevel * xdgToplevel; + struct wl_surface * cursor; + struct wl_data_device_manager * dataDeviceManager; struct wl_data_device * dataDevice; @@ -83,6 +87,8 @@ struct WaylandDSState struct zwp_pointer_constraints_v1 * pointerConstraints; struct zwp_relative_pointer_v1 * relativePointer; struct zwp_confined_pointer_v1 * confinedPointer; + bool showPointer; + uint32_t pointerEnterSerial; struct zwp_idle_inhibit_manager_v1 * idleInhibitManager; struct zwp_idle_inhibitor_v1 * idleInhibitor; @@ -111,6 +117,49 @@ struct WCBState static struct WaylandDSState wm; static struct WCBState wcb; +static const uint32_t cursorBitmap[] = { + 0x000000, 0x000000, 0x000000, 0x000000, + 0x000000, 0xFFFFFF, 0xFFFFFF, 0x000000, + 0x000000, 0xFFFFFF, 0xFFFFFF, 0x000000, + 0x000000, 0x000000, 0x000000, 0x000000, +}; + +static struct wl_buffer * createCursorBuffer(void) +{ + int fd = memfd_create("lg-cursor", 0); + if (fd < 0) + { + DEBUG_ERROR("Failed to create cursor shared memory: %d", errno); + return NULL; + } + + struct wl_buffer * result = NULL; + + if (ftruncate(fd, sizeof cursorBitmap) < 0) + { + DEBUG_ERROR("Failed to ftruncate cursor shared memory: %d", errno); + goto fail; + } + + void * shm_data = mmap(NULL, sizeof cursorBitmap, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + if (shm_data == MAP_FAILED) + { + DEBUG_ERROR("Failed to map memory for cursor: %d", errno); + goto fail; + } + + struct wl_shm_pool * pool = wl_shm_create_pool(wm.shm, fd, sizeof cursorBitmap); + result = wl_shm_pool_create_buffer(pool, 0, 4, 4, 16, WL_SHM_FORMAT_XRGB8888); + wl_shm_pool_destroy(pool); + + memcpy(shm_data, cursorBitmap, sizeof cursorBitmap); + munmap(shm_data, sizeof cursorBitmap); + +fail: + close(fd); + return result; +} + // XDG WM base listeners. static void xdgWmBasePing(void * data, struct xdg_wm_base * xdgWmBase, uint32_t serial) @@ -129,6 +178,8 @@ static void registryGlobalHandler(void * data, struct wl_registry * registry, { if (!strcmp(interface, wl_seat_interface.name) && !wm.seat) wm.seat = wl_registry_bind(wm.registry, name, &wl_seat_interface, 1); + else if (!strcmp(interface, wl_shm_interface.name)) + wm.shm = wl_registry_bind(wm.registry, name, &wl_shm_interface, 1); else if (!strcmp(interface, wl_compositor_interface.name)) wm.compositor = wl_registry_bind(wm.registry, name, &wl_compositor_interface, 4); else if (!strcmp(interface, xdg_wm_base_interface.name)) @@ -181,6 +232,9 @@ static void pointerEnterHandler(void * data, struct wl_pointer * pointer, { app_handleEnterEvent(true); + wl_pointer_set_cursor(pointer, serial, wm.showPointer ? wm.cursor : NULL, 0, 0); + wm.pointerEnterSerial = serial; + if (wm.relativePointer) return; @@ -456,6 +510,14 @@ static bool waylandInit(const LG_DSInitParams params) wl_surface_commit(wm.surface); + struct wl_buffer * cursorBuffer = createCursorBuffer(); + if (cursorBuffer) + { + wm.cursor = wl_compositor_create_surface(wm.compositor); + wl_surface_attach(wm.cursor, cursorBuffer, 0, 0); + wl_surface_commit(wm.cursor); + } + wm.width = params.w; wm.height = params.h; @@ -527,7 +589,8 @@ static void waylandGLSwapBuffers(void) static void waylandShowPointer(bool show) { - // FIXME: implement. + wm.showPointer = show; + wl_pointer_set_cursor(wm.pointer, wm.pointerEnterSerial, show ? wm.cursor : NULL, 0, 0); } static void waylandWait(unsigned int time)