WL_EXPORT void
weston_output_update_zoom(struct weston_output *output, uint32_t type)
{
struct weston_seat *seat = weston_zoom_pick_seat(output->compositor);
wl_fixed_t x = seat->pointer->x;
wl_fixed_t y = seat->pointer->y;
zoom_area_center_from_pointer(output, &x, &y);
if (type == ZOOM_FOCUS_POINTER) {
if (wl_list_empty(&output->zoom.animation_xy.link)) {
output->zoom.current.x = seat->pointer->x;
output->zoom.current.y = seat->pointer->y;
} else {
output->zoom.to.x = x;
output->zoom.to.y = y;
}
}
if (type == ZOOM_FOCUS_TEXT) {
if (wl_list_empty(&output->zoom.animation_xy.link)) {
output->zoom.current.x = output->zoom.text_cursor.x;
output->zoom.current.y = output->zoom.text_cursor.y;
} else {
output->zoom.to.x = output->zoom.text_cursor.x;
output->zoom.to.y = output->zoom.text_cursor.y;
}
}
weston_zoom_transition(output, type, x, y);
weston_output_update_zoom_transform(output);
}
static int
dispatch_queue(struct wl_display *display, struct wl_event_queue *queue)
{
int count;
if (display->last_error)
goto err;
count = 0;
while (!wl_list_empty(&display->display_queue.event_list)) {
dispatch_event(display, &display->display_queue);
if (display->last_error)
goto err;
count++;
}
while (!wl_list_empty(&queue->event_list)) {
dispatch_event(display, queue);
if (display->last_error)
goto err;
count++;
}
return count;
err:
errno = display->last_error;
return -1;
}
WL_EXPORT void
wlb_keyboard_key(struct wlb_keyboard *keyboard, uint32_t time,
uint32_t key, enum wl_keyboard_key_state state)
{
struct wl_resource *resource;
uint32_t serial, *k, *end;
keyboard_ensure_focus(keyboard);
end = keyboard->keys.data + keyboard->keys.size;
for (k = keyboard->keys.data; k < end; k++) {
if (*k == key) {
/* Ignore server-generated repeats. */
if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
return;
*k = *--end;
}
}
keyboard->keys.size = (void *) end - keyboard->keys.data;
if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
k = wl_array_add(&keyboard->keys, sizeof *k);
*k = key;
}
if (!keyboard->focus || wl_list_empty(&keyboard->resource_list))
return;
serial = wl_display_next_serial(keyboard->seat->compositor->display);
wl_resource_for_each(resource, &keyboard->resource_list)
wl_keyboard_send_key(resource, serial, time, key, state);
}
static void
weston_desktop_seat_popup_grab_end(struct weston_desktop_seat *seat)
{
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat->seat);
struct weston_pointer *pointer = weston_seat_get_pointer(seat->seat);
struct weston_touch *touch = weston_seat_get_touch(seat->seat);
while (!wl_list_empty(&seat->popup_grab.surfaces)) {
struct wl_list *link = seat->popup_grab.surfaces.prev;
struct weston_desktop_surface *surface =
weston_desktop_surface_from_grab_link(link);
wl_list_remove(link);
wl_list_init(link);
weston_desktop_surface_popup_dismiss(surface);
}
if (keyboard != NULL &&
keyboard->grab->interface == &weston_desktop_seat_keyboard_popup_grab_interface)
weston_keyboard_end_grab(keyboard);
if (pointer != NULL &&
pointer->grab->interface == &weston_desktop_seat_pointer_popup_grab_interface)
weston_pointer_end_grab(pointer);
if (touch != NULL &&
touch->grab->interface == &weston_desktop_seat_touch_popup_grab_interface)
weston_touch_end_grab(touch);
seat->popup_grab.client = NULL;
}
static void
weston_zoom_transition(struct weston_output *output, uint32_t type,
wl_fixed_t x, wl_fixed_t y)
{
if (output->zoom.type != type) {
/* Set from/to points and start animation */
output->zoom.spring_xy.current = 0.0;
output->zoom.spring_xy.previous = 0.0;
output->zoom.spring_xy.target = 1.0;
if (wl_list_empty(&output->zoom.animation_xy.link)) {
output->zoom.animation_xy.frame_counter = 0;
wl_list_insert(output->animation_list.prev,
&output->zoom.animation_xy.link);
output->zoom.from.x = (type == ZOOM_FOCUS_TEXT) ?
x : output->zoom.text_cursor.x;
output->zoom.from.y = (type == ZOOM_FOCUS_TEXT) ?
y : output->zoom.text_cursor.y;
} else {
output->zoom.from.x = output->zoom.current.x;
output->zoom.from.y = output->zoom.current.y;
}
output->zoom.to.x = (type == ZOOM_FOCUS_POINTER) ?
x : output->zoom.text_cursor.x;
output->zoom.to.y = (type == ZOOM_FOCUS_POINTER) ?
y : output->zoom.text_cursor.y;
output->zoom.current.x = output->zoom.from.x;
output->zoom.current.y = output->zoom.from.y;
output->zoom.type = type;
}
if (output->zoom.level != output->zoom.spring_z.current) {
output->zoom.spring_z.target = output->zoom.level;
if (wl_list_empty(&output->zoom.animation_z.link)) {
output->zoom.animation_z.frame_counter = 0;
wl_list_insert(output->animation_list.prev,
&output->zoom.animation_z.link);
}
}
output->dirty = 1;
weston_output_damage(output);
}
static int
queue_event(struct wl_display *display, int len)
{
uint32_t p[2], id;
int opcode, size;
struct wl_proxy *proxy;
struct wl_closure *closure;
const struct wl_message *message;
struct wl_event_queue *queue;
wl_connection_copy(display->connection, p, sizeof p);
id = p[0];
opcode = p[1] & 0xffff;
size = p[1] >> 16;
if (len < size)
return 0;
proxy = wl_map_lookup(&display->objects, id);
if (proxy == WL_ZOMBIE_OBJECT) {
wl_connection_consume(display->connection, size);
return size;
} else if (proxy == NULL) {
wl_connection_consume(display->connection, size);
return size;
}
message = &proxy->object.interface->events[opcode];
closure = wl_connection_demarshal(display->connection, size,
&display->objects, message);
if (!closure)
return -1;
if (create_proxies(proxy, closure) < 0) {
wl_closure_destroy(closure);
return -1;
}
if (wl_closure_lookup_objects(closure, &display->objects) != 0) {
wl_closure_destroy(closure);
return -1;
}
increase_closure_args_refcount(closure);
proxy->refcount++;
closure->proxy = proxy;
if (proxy == &display->proxy)
queue = &display->display_queue;
else
queue = proxy->queue;
if (wl_list_empty(&queue->event_list))
pthread_cond_signal(&queue->cond);
wl_list_insert(queue->event_list.prev, &closure->link);
return size;
}
struct weston_desktop_surface *
weston_desktop_seat_popup_grab_get_topmost_surface(struct weston_desktop_seat *seat)
{
if (wl_list_empty(&seat->popup_grab.surfaces))
return NULL;
struct wl_list *grab_link = seat->popup_grab.surfaces.next;
return weston_desktop_surface_from_grab_link(grab_link);
}
WL_EXPORT void
wl_list_insert_list(struct wl_list *list, struct wl_list *other)
{
if (wl_list_empty(other))
return;
other->next->prev = list;
other->prev->next = list->next;
list->next->prev = other->prev;
list->next = other->next;
}
void
weston_desktop_seat_popup_grab_remove_surface(struct weston_desktop_seat *seat,
struct wl_list *link)
{
assert(seat->popup_grab.client != NULL);
wl_list_remove(link);
wl_list_init(link);
if (wl_list_empty(&seat->popup_grab.surfaces))
weston_desktop_seat_popup_grab_end(seat);
}
WL_EXPORT void
wl_event_loop_dispatch_idle(struct wl_event_loop *loop)
{
struct wl_event_source_idle *source;
while (!wl_list_empty(&loop->idle_list)) {
source = container_of(loop->idle_list.next,
struct wl_event_source_idle, base.link);
source->func(source->base.data);
wl_event_source_remove(&source->base);
}
}
void
meta_wayland_compositor_paint_finished (MetaWaylandCompositor *compositor)
{
while (!wl_list_empty (&compositor->frame_callbacks))
{
MetaWaylandFrameCallback *callback =
wl_container_of (compositor->frame_callbacks.next, callback, link);
wl_callback_send_done (callback->resource, get_time ());
wl_resource_destroy (callback->resource);
}
}
static void
wl_event_queue_release(struct wl_event_queue *queue)
{
struct wl_closure *closure;
while (!wl_list_empty(&queue->event_list)) {
closure = container_of(queue->event_list.next,
struct wl_closure, link);
wl_list_remove(&closure->link);
wl_closure_destroy(closure);
}
pthread_cond_destroy(&queue->cond);
}
static void
notify_output_destroy(struct wl_listener *listener, void *data)
{
struct evdev_device *device =
container_of(listener,
struct evdev_device, output_destroy_listener);
struct weston_compositor *c = device->seat->compositor;
struct weston_output *output;
if (!device->output_name && !wl_list_empty(&c->output_list)) {
output = container_of(c->output_list.next,
struct weston_output, link);
evdev_device_set_output(device, output);
} else {
static void
weston_zoom_transition(struct weston_output *output, wl_fixed_t x, wl_fixed_t y)
{
if (output->zoom.level != output->zoom.spring_z.current) {
output->zoom.spring_z.target = output->zoom.level;
if (wl_list_empty(&output->zoom.animation_z.link)) {
output->zoom.animation_z.frame_counter = 0;
wl_list_insert(output->animation_list.prev,
&output->zoom.animation_z.link);
}
}
output->dirty = 1;
weston_output_damage(output);
}
static void
weston_output_update_zoom_transform(struct weston_output *output)
{
uint32_t type = output->zoom.type;
float global_x, global_y;
wl_fixed_t x = output->zoom.current.x;
wl_fixed_t y = output->zoom.current.y;
float trans_min, trans_max;
float ratio, level;
level = output->zoom.spring_z.current;
ratio = 1 / level;
if (!output->zoom.active || level > output->zoom.max_level ||
level == 0.0f)
return;
if (type == ZOOM_FOCUS_POINTER &&
wl_list_empty(&output->zoom.animation_xy.link))
zoom_area_center_from_pointer(output, &x, &y);
global_x = wl_fixed_to_double(x);
global_y = wl_fixed_to_double(y);
output->zoom.trans_x =
((((global_x - output->x) / output->width) *
(level * 2)) - level) * ratio;
output->zoom.trans_y =
((((global_y - output->y) / output->height) *
(level * 2)) - level) * ratio;
weston_zoom_apply_output_transform(output, &output->zoom.trans_x,
&output->zoom.trans_y);
trans_max = level * 2 - level;
trans_min = -trans_max;
/* Clip zoom area to output */
if (output->zoom.trans_x > trans_max)
output->zoom.trans_x = trans_max;
else if (output->zoom.trans_x < trans_min)
output->zoom.trans_x = trans_min;
if (output->zoom.trans_y > trans_max)
output->zoom.trans_y = trans_max;
else if (output->zoom.trans_y < trans_min)
output->zoom.trans_y = trans_min;
}
static CoglBool
paint_cb (void *user_data)
{
CoglandCompositor *compositor = user_data;
GList *l;
for (l = compositor->outputs; l; l = l->next)
{
CoglandOutput *output = l->data;
CoglFramebuffer *fb = output->onscreen;
GList *l2;
cogl_framebuffer_clear4f (fb, COGL_BUFFER_BIT_COLOR, 0, 0, 0, 1);
cogl_primitive_draw (compositor->triangle,
fb, compositor->triangle_pipeline);
for (l2 = compositor->surfaces; l2; l2 = l2->next)
{
CoglandSurface *surface = l2->data;
if (surface->texture)
{
CoglTexture2D *texture = surface->texture;
CoglPipeline *pipeline =
cogl_pipeline_new (compositor->cogl_context);
cogl_pipeline_set_layer_texture (pipeline, 0, texture);
cogl_framebuffer_draw_rectangle (fb, pipeline, -1, 1, 1, -1);
cogl_object_unref (pipeline);
}
}
cogl_onscreen_swap_buffers (COGL_ONSCREEN (fb));
}
while (!wl_list_empty (&compositor->frame_callbacks))
{
CoglandFrameCallback *callback =
wl_container_of (compositor->frame_callbacks.next, callback, link);
wl_callback_send_done (callback->resource, get_time ());
wl_resource_destroy (callback->resource);
}
compositor->redraw_idle = 0;
return G_SOURCE_REMOVE;
}
WL_EXPORT void
wlb_keyboard_modifiers(struct wlb_keyboard *keyboard, uint32_t mods_depressed,
uint32_t mods_latched, uint32_t mods_locked,
uint32_t group)
{
struct wl_resource *resource;
uint32_t serial;
keyboard_ensure_focus(keyboard);
if (!keyboard->focus || wl_list_empty(&keyboard->resource_list))
return;
serial = wl_display_next_serial(keyboard->seat->compositor->display);
wl_resource_for_each(resource, &keyboard->resource_list)
wl_keyboard_send_modifiers(resource, serial, mods_depressed,
mods_latched, mods_locked, group);
}
void
evdev_device_destroy(struct evdev_device *device)
{
struct evdev_dispatch *dispatch;
dispatch = device->dispatch;
if (dispatch)
dispatch->interface->destroy(dispatch);
if (device->source)
wl_event_source_remove(device->source);
if (!wl_list_empty(&device->link))
wl_list_remove(&device->link);
if (device->mtdev)
mtdev_close_delete(device->mtdev);
close(device->fd);
free(device->devname);
free(device->devnode);
free(device);
}
WL_EXPORT int
wl_display_prepare_read_queue(struct wl_display *display,
struct wl_event_queue *queue)
{
int ret;
pthread_mutex_lock(&display->mutex);
if (!wl_list_empty(&queue->event_list)) {
errno = EAGAIN;
ret = -1;
} else {
display->reader_count++;
ret = 0;
}
pthread_mutex_unlock(&display->mutex);
return ret;
}
WL_EXPORT void
weston_output_update_zoom(struct weston_output *output)
{
struct weston_seat *seat = weston_zoom_pick_seat(output->compositor);
wl_fixed_t x = seat->pointer->x;
wl_fixed_t y = seat->pointer->y;
zoom_area_center_from_pointer(output, &x, &y);
if (wl_list_empty(&output->zoom.animation_xy.link)) {
output->zoom.current.x = seat->pointer->x;
output->zoom.current.y = seat->pointer->y;
} else {
output->zoom.to.x = x;
output->zoom.to.y = y;
}
weston_zoom_transition(output, x, y);
weston_output_update_zoom_transform(output);
}
static void
output_destroy(struct output *o)
{
struct vidmode *v;
wl_list_remove(&o->link);
free(o->make);
free(o->model);
while (!wl_list_empty(&o->mode_list)) {
v = wl_container_of(o->mode_list.next, v, link);
wl_list_remove(&v->link);
free(v);
}
if (o->proxy)
wl_output_destroy(o->proxy);
free(o);
}
static int
dispatch_queue(struct wl_display *display, struct wl_event_queue *queue)
{
int count;
if (display->last_error)
goto err;
for (count = 0; !wl_list_empty(&queue->event_list); count++) {
dispatch_event(display, queue);
if (display->last_error)
goto err;
}
return count;
err:
errno = display->last_error;
return -1;
}
static struct wayland_shm_buffer *
wayland_output_get_shm_buffer(struct wayland_output *output)
{
struct wayland_compositor *c =
(struct wayland_compositor *) output->base.compositor;
struct wl_shm *shm = c->parent.shm;
struct wayland_shm_buffer *sb;
struct wl_shm_pool *pool;
int width, height, stride;
int32_t fx, fy;
int fd;
unsigned char *data;
if (!wl_list_empty(&output->shm.free_buffers)) {
sb = container_of(output->shm.free_buffers.next,
struct wayland_shm_buffer, free_link);
wl_list_remove(&sb->free_link);
wl_list_init(&sb->free_link);
return sb;
}
static struct ss_shm_buffer *
shared_output_get_shm_buffer(struct shared_output *so)
{
struct ss_shm_buffer *sb, *bnext;
struct wl_shm_pool *pool;
int width, height, stride;
int fd;
unsigned char *data;
width = so->output->width;
height = so->output->height;
stride = width * 4;
/* If the size of the output changed, we free the old buffers and
* make new ones. */
if (so->shm.width != width ||
so->shm.height != height) {
/* Destroy free buffers */
wl_list_for_each_safe(sb, bnext, &so->shm.free_buffers, free_link)
ss_shm_buffer_destroy(sb);
/* Orphan in-use buffers so they get destroyed */
wl_list_for_each(sb, &so->shm.buffers, link)
sb->output = NULL;
so->shm.width = width;
so->shm.height = height;
}
if (!wl_list_empty(&so->shm.free_buffers)) {
sb = container_of(so->shm.free_buffers.next,
struct ss_shm_buffer, free_link);
wl_list_remove(&sb->free_link);
wl_list_init(&sb->free_link);
return sb;
}
bool Animation::isRunning() const
{
return !wl_list_empty(&m_animation.ani.link);
}
