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Listen to cursor surface commit & destroy events

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This commit is contained in:
emersion 2017-10-08 23:11:59 +02:00
parent 17354b630a
commit 8a77d1b6a2
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GPG key ID: 0FDE7BE0E88F5E48
3 changed files with 72 additions and 27 deletions
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85
types/wlr_output.c
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@ -99,18 +99,6 @@ void wlr_output_update_matrix(struct wlr_output *output) {
wlr_matrix_texture(output->transform_matrix, output->width, output->height, output->transform);
}
void wlr_output_init(struct wlr_output *output,
const struct wlr_output_impl *impl) {
output->impl = impl;
output->modes = list_create();
output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
output->scale = 1;
wl_signal_init(&output->events.frame);
wl_signal_init(&output->events.swap_buffers);
wl_signal_init(&output->events.resolution);
wl_signal_init(&output->events.destroy);
}
void wlr_output_enable(struct wlr_output *output, bool enable) {
output->impl->enable(output, enable);
}
@ -167,29 +155,67 @@ bool wlr_output_set_cursor(struct wlr_output *output,
}
return wlr_texture_upload_pixels(output->cursor.texture,
WL_SHM_FORMAT_ARGB8888, stride, width, height, buf);
WL_SHM_FORMAT_ARGB8888, stride, width, height, buf);
}
bool wlr_output_set_cursor_surface(struct wlr_output *output,
struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y) {
static void handle_cursor_surface_commit(struct wl_listener *listener,
void *data) {
struct wlr_output *output = wl_container_of(listener, output,
cursor.surface_commit);
struct wlr_surface *surface = data;
struct wl_shm_buffer *buffer = wl_shm_buffer_get(surface->current->buffer);
if (buffer == NULL) {
return false;
return;
}
uint32_t format = wl_shm_buffer_get_format(buffer);
if (format != WL_SHM_FORMAT_ARGB8888) {
return false;
return;
}
void *data = wl_shm_buffer_get_data(buffer);
void *buffer_data = wl_shm_buffer_get_data(buffer);
int32_t width = wl_shm_buffer_get_width(buffer);
int32_t height = wl_shm_buffer_get_height(buffer);
wl_shm_buffer_begin_access(buffer);
bool ok = wlr_output_set_cursor(output, data, width, width, height,
hotspot_x, hotspot_y);
wlr_output_set_cursor(output, buffer_data, width, width, height,
output->cursor.hotspot_x, output->cursor.hotspot_y);
wl_shm_buffer_end_access(buffer);
return ok;
}
static void handle_cursor_surface_destroy(struct wl_listener *listener,
void *data) {
struct wlr_output *output = wl_container_of(listener, output,
cursor.surface_destroy);
struct wlr_surface *surface = data;
if (output->cursor.surface == surface) {
wl_list_remove(&output->cursor.surface_commit.link);
wl_list_remove(&output->cursor.surface_destroy.link);
output->cursor.surface = NULL;
}
}
void wlr_output_set_cursor_surface(struct wlr_output *output,
struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y) {
output->cursor.hotspot_x = hotspot_x;
output->cursor.hotspot_y = hotspot_y;
if (output->cursor.surface == surface) {
return;
}
output->cursor.surface = surface;
if (output->cursor.surface) {
wl_list_remove(&output->cursor.surface_commit.link);
wl_list_remove(&output->cursor.surface_destroy.link);
output->cursor.surface = NULL;
}
if (surface != NULL) {
wl_signal_add(&surface->events.commit, &output->cursor.surface_commit);
wl_signal_add(&surface->events.destroy, &output->cursor.surface_destroy);
}
}
bool wlr_output_move_cursor(struct wlr_output *output, int x, int y) {
@ -207,6 +233,23 @@ bool wlr_output_move_cursor(struct wlr_output *output, int x, int y) {
return output->impl->move_cursor(output, x, y);
}
void wlr_output_init(struct wlr_output *output,
const struct wlr_output_impl *impl) {
output->impl = impl;
output->modes = list_create();
output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
output->scale = 1;
wl_signal_init(&output->events.frame);
wl_signal_init(&output->events.swap_buffers);
wl_signal_init(&output->events.resolution);
wl_signal_init(&output->events.destroy);
wl_list_init(&output->cursor.surface_commit.link);
output->cursor.surface_commit.notify = handle_cursor_surface_commit;
wl_list_init(&output->cursor.surface_destroy.link);
output->cursor.surface_destroy.notify = handle_cursor_surface_destroy;
}
void wlr_output_destroy(struct wlr_output *output) {
if (!output) {
return;