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Transform cursor hotspot, fix wayland cursor hotspot

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This commit is contained in:
emersion 2017-10-29 17:43:26 +01:00
parent 6656e25fd4
commit 95566c6bdf
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GPG key ID: 0FDE7BE0E88F5E48
6 changed files with 150 additions and 110 deletions
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104
backend/wayland/output.c
View file

@ -55,25 +55,27 @@ static void wlr_wl_output_transform(struct wlr_output *_output,
static bool wlr_wl_output_set_cursor(struct wlr_output *_output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height,
int32_t hotspot_x, int32_t hotspot_y, bool update_pixels) {
struct wlr_wl_backend_output *output = (struct wlr_wl_backend_output *)_output;
struct wlr_wl_backend_output *output =
(struct wlr_wl_backend_output *)_output;
struct wlr_wl_backend *backend = output->backend;
output->cursor.hotspot_x = hotspot_x;
output->cursor.hotspot_y = hotspot_y;
if (!update_pixels) {
// Update hotspot without changing cursor image
wlr_wl_output_update_cursor(output, output->enter_serial, hotspot_x,
hotspot_y);
wlr_wl_output_update_cursor(output);
return true;
}
if (!buf) {
// Hide cursor
if (output->cursor_surface) {
wl_surface_destroy(output->cursor_surface);
munmap(output->cursor_data, output->cursor_buf_size);
output->cursor_surface = NULL;
output->cursor_buf_size = 0;
if (output->cursor.surface) {
wl_surface_destroy(output->cursor.surface);
munmap(output->cursor.data, output->cursor.buf_size);
output->cursor.surface = NULL;
output->cursor.buf_size = 0;
}
wlr_wl_output_update_cursor(output, output->enter_serial, hotspot_x,
hotspot_y);
wlr_wl_output_update_cursor(output);
return true;
}
@ -84,73 +86,77 @@ static bool wlr_wl_output_set_cursor(struct wlr_output *_output,
return false;
}
if (!output->cursor_surface) {
output->cursor_surface = wl_compositor_create_surface(output->backend->compositor);
if (!output->cursor.surface) {
output->cursor.surface =
wl_compositor_create_surface(output->backend->compositor);
}
uint32_t size = stride * height;
if (output->cursor_buf_size != size) {
if (output->cursor_buffer) {
wl_buffer_destroy(output->cursor_buffer);
if (output->cursor.buf_size != size) {
if (output->cursor.buffer) {
wl_buffer_destroy(output->cursor.buffer);
}
if (size > output->cursor_buf_size) {
if (output->cursor_pool) {
wl_shm_pool_destroy(output->cursor_pool);
output->cursor_pool = NULL;
munmap(output->cursor_data, output->cursor_buf_size);
if (size > output->cursor.buf_size) {
if (output->cursor.pool) {
wl_shm_pool_destroy(output->cursor.pool);
output->cursor.pool = NULL;
munmap(output->cursor.data, output->cursor.buf_size);
}
}
if (!output->cursor_pool) {
if (!output->cursor.pool) {
int fd = os_create_anonymous_file(size);
if (fd < 0) {
wlr_log_errno(L_INFO, "creating anonymous file for cursor buffer failed");
wlr_log_errno(L_INFO,
"creating anonymous file for cursor buffer failed");
return false;
}
output->cursor_data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
if (output->cursor_data == MAP_FAILED) {
output->cursor.data = mmap(NULL, size, PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0);
if (output->cursor.data == MAP_FAILED) {
close(fd);
wlr_log_errno(L_INFO, "mmap failed");
return false;
}
output->cursor_pool = wl_shm_create_pool(backend->shm, fd, size);
output->cursor.pool = wl_shm_create_pool(backend->shm, fd, size);
close(fd);
}
output->cursor_buffer = wl_shm_pool_create_buffer(output->cursor_pool,
output->cursor.buffer = wl_shm_pool_create_buffer(output->cursor.pool,
0, width, height, stride, WL_SHM_FORMAT_ARGB8888);
output->cursor_buf_size = size;
output->cursor.buf_size = size;
}
memcpy(output->cursor_data, buf, size);
wl_surface_attach(output->cursor_surface, output->cursor_buffer, 0, 0);
wl_surface_damage(output->cursor_surface, 0, 0, width, height);
wl_surface_commit(output->cursor_surface);
memcpy(output->cursor.data, buf, size);
wl_surface_attach(output->cursor.surface, output->cursor.buffer, 0, 0);
wl_surface_damage(output->cursor.surface, 0, 0, width, height);
wl_surface_commit(output->cursor.surface);
wlr_wl_output_update_cursor(output, output->enter_serial,
hotspot_x, hotspot_y);
wlr_wl_output_update_cursor(output);
return true;
}
static void wlr_wl_output_destroy(struct wlr_output *_output) {
struct wlr_wl_backend_output *output = (struct wlr_wl_backend_output *)_output;
wl_signal_emit(&output->backend->backend.events.output_remove, &output->wlr_output);
struct wlr_wl_backend_output *output =
(struct wlr_wl_backend_output *)_output;
wl_signal_emit(&output->backend->backend.events.output_remove,
&output->wlr_output);
if (output->cursor_buf_size != 0) {
assert(output->cursor_data);
assert(output->cursor_buffer);
assert(output->cursor_pool);
if (output->cursor.buf_size != 0) {
assert(output->cursor.data);
assert(output->cursor.buffer);
assert(output->cursor.pool);
wl_buffer_destroy(output->cursor_buffer);
munmap(output->cursor_data, output->cursor_buf_size);
wl_shm_pool_destroy(output->cursor_pool);
wl_buffer_destroy(output->cursor.buffer);
munmap(output->cursor.data, output->cursor.buf_size);
wl_shm_pool_destroy(output->cursor.pool);
}
if (output->cursor_surface) {
wl_surface_destroy(output->cursor_surface);
if (output->cursor.surface) {
wl_surface_destroy(output->cursor.surface);
}
if (output->frame_callback) {
@ -164,11 +170,11 @@ static void wlr_wl_output_destroy(struct wlr_output *_output) {
free(output);
}
void wlr_wl_output_update_cursor(struct wlr_wl_backend_output *output,
uint32_t serial, int32_t hotspot_x, int32_t hotspot_y) {
if (output->backend->pointer && serial) {
wl_pointer_set_cursor(output->backend->pointer, serial,
output->cursor_surface, hotspot_x, hotspot_y);
void wlr_wl_output_update_cursor(struct wlr_wl_backend_output *output) {
if (output->backend->pointer && output->enter_serial) {
wl_pointer_set_cursor(output->backend->pointer, output->enter_serial,
output->cursor.surface, output->cursor.hotspot_x,
output->cursor.hotspot_y);
}
}

4
backend/wayland/wl_seat.c
View file

@ -23,8 +23,8 @@ static void pointer_handle_enter(void *data, struct wl_pointer *wl_pointer,
wlr_wl_output_for_surface(wlr_wl_dev->backend, surface);
assert(output);
wlr_wl_pointer->current_output = output;
wlr_wl_pointer->current_output->enter_serial = serial;
wlr_wl_output_update_cursor(wlr_wl_pointer->current_output, serial, 0, 0);
output->enter_serial = serial;
wlr_wl_output_update_cursor(output);
}
static void pointer_handle_leave(void *data, struct wl_pointer *wl_pointer,