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Listen to cursor surface commit & destroy events

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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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7
include/wlr/types/wlr_output.h
View file

@ -49,6 +49,11 @@ struct wlr_output {
int32_t hotspot_x, hotspot_y; int32_t hotspot_x, hotspot_y;
struct wlr_renderer *renderer; struct wlr_renderer *renderer;
struct wlr_texture *texture; struct wlr_texture *texture;
// only when using a cursor surface
struct wlr_surface *surface;
struct wl_listener surface_commit;
struct wl_listener surface_destroy;
} cursor; } cursor;
void *data; void *data;
@ -64,7 +69,7 @@ void wlr_output_transform(struct wlr_output *output,
bool wlr_output_set_cursor(struct wlr_output *output, bool wlr_output_set_cursor(struct wlr_output *output,
const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height, const uint8_t *buf, int32_t stride, uint32_t width, uint32_t height,
int32_t hotspot_x, int32_t hotspot_y); int32_t hotspot_x, int32_t hotspot_y);
bool wlr_output_set_cursor_surface(struct wlr_output *output, void wlr_output_set_cursor_surface(struct wlr_output *output,
struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y); struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y);
bool wlr_output_move_cursor(struct wlr_output *output, int x, int y); bool wlr_output_move_cursor(struct wlr_output *output, int x, int y);
void wlr_output_destroy(struct wlr_output *output); void wlr_output_destroy(struct wlr_output *output);

7
rootston/cursor.c
View file

@ -288,11 +288,8 @@ static void handle_request_set_cursor(struct wl_listener *listener,
struct roots_output *output; struct roots_output *output;
wl_list_for_each(output, &input->server->desktop->outputs, link) { wl_list_for_each(output, &input->server->desktop->outputs, link) {
if (!wlr_output_set_cursor_surface(output->wlr_output, wlr_output_set_cursor_surface(output->wlr_output, event->surface,
event->surface, event->hotspot_x, event->hotspot_y)) { event->hotspot_x, event->hotspot_y);
wlr_log(L_DEBUG, "Failed to set hardware cursor");
return;
}
} }
} }

85
types/wlr_output.c
View file

@ -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); 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) { void wlr_output_enable(struct wlr_output *output, bool enable) {
output->impl->enable(output, 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, 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, static void handle_cursor_surface_commit(struct wl_listener *listener,
struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y) { 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); struct wl_shm_buffer *buffer = wl_shm_buffer_get(surface->current->buffer);
if (buffer == NULL) { if (buffer == NULL) {
return false; return;
} }
uint32_t format = wl_shm_buffer_get_format(buffer); uint32_t format = wl_shm_buffer_get_format(buffer);
if (format != WL_SHM_FORMAT_ARGB8888) { 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 width = wl_shm_buffer_get_width(buffer);
int32_t height = wl_shm_buffer_get_height(buffer); int32_t height = wl_shm_buffer_get_height(buffer);
wl_shm_buffer_begin_access(buffer); wl_shm_buffer_begin_access(buffer);
bool ok = wlr_output_set_cursor(output, data, width, width, height, wlr_output_set_cursor(output, buffer_data, width, width, height,
hotspot_x, hotspot_y); output->cursor.hotspot_x, output->cursor.hotspot_y);
wl_shm_buffer_end_access(buffer); 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) { 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); 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) { void wlr_output_destroy(struct wlr_output *output) {
if (!output) { if (!output) {
return; return;