weston/fullscreen-shell/fullscreen-shell.c

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/*
* Copyright © 2013 Jason Ekstrand
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "config.h"
#include <sys/wait.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <libweston/libweston.h>
#include "frontend/weston.h"
#include "fullscreen-shell-unstable-v1-server-protocol.h"
#include "shared/helpers.h"
#include <libweston/shell-utils.h>
struct fullscreen_shell {
struct wl_client *client;
struct wl_listener client_destroyed;
struct wl_listener destroy_listener;
struct weston_compositor *compositor;
struct weston_layer layer;
struct wl_list output_list;
struct wl_listener output_created_listener;
struct wl_listener output_resized_listener;
struct wl_listener output_moved_listener;
struct wl_listener seat_created_listener;
/* List of one surface per client, presented for the NULL output
*
* This is implemented as a list in case someone fixes the shell
* implementation to support more than one client.
*/
struct wl_list default_surface_list; /* struct fs_client_surface::link */
};
struct fs_output {
struct fullscreen_shell *shell;
struct wl_list link;
struct weston_output *output;
struct wl_listener output_destroyed;
struct {
struct weston_surface *surface;
struct wl_listener surface_destroyed;
struct wl_resource *mode_feedback;
int presented_for_mode;
enum zwp_fullscreen_shell_v1_present_method method;
int32_t framerate;
} pending;
struct weston_surface *surface;
struct wl_listener surface_destroyed;
struct weston_view *view;
struct weston_curtain *curtain;
struct weston_transform transform; /* matrix from x, y */
int presented_for_mode;
enum zwp_fullscreen_shell_v1_present_method method;
uint32_t framerate;
};
struct pointer_focus_listener {
struct fullscreen_shell *shell;
struct wl_listener pointer_focus;
struct wl_listener seat_caps;
struct wl_listener seat_destroyed;
};
struct fs_client_surface {
struct weston_surface *surface;
enum zwp_fullscreen_shell_v1_present_method method;
struct wl_list link; /* struct fullscreen_shell::default_surface_list */
struct wl_listener surface_destroyed;
};
static void
remove_default_surface(struct fs_client_surface *surf)
{
wl_list_remove(&surf->surface_destroyed.link);
wl_list_remove(&surf->link);
free(surf);
}
static void
default_surface_destroy_listener(struct wl_listener *listener, void *data)
{
struct fs_client_surface *surf;
surf = container_of(listener, struct fs_client_surface, surface_destroyed);
remove_default_surface(surf);
}
static void
replace_default_surface(struct fullscreen_shell *shell, struct weston_surface *surface,
enum zwp_fullscreen_shell_v1_present_method method)
{
struct fs_client_surface *surf, *prev = NULL;
if (!wl_list_empty(&shell->default_surface_list))
prev = container_of(shell->default_surface_list.prev,
struct fs_client_surface, link);
if (prev)
remove_default_surface(prev);
if (!surface)
return;
surf = zalloc(sizeof *surf);
if (!surf)
return;
surf->surface = surface;
surf->method = method;
wl_list_insert(shell->default_surface_list.prev, &surf->link);
surf->surface_destroyed.notify = default_surface_destroy_listener;
wl_signal_add(&surface->destroy_signal, &surf->surface_destroyed);
}
static void
pointer_focus_changed(struct wl_listener *listener, void *data)
{
struct weston_pointer *pointer = data;
if (pointer->focus && pointer->focus->surface->resource)
weston_seat_set_keyboard_focus(pointer->seat, pointer->focus->surface);
}
static void
seat_caps_changed(struct wl_listener *l, void *data)
{
struct weston_seat *seat = data;
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
struct pointer_focus_listener *listener;
struct fs_output *fsout;
listener = container_of(l, struct pointer_focus_listener, seat_caps);
/* no pointer */
if (pointer) {
if (!listener->pointer_focus.link.prev) {
wl_signal_add(&pointer->focus_signal,
&listener->pointer_focus);
}
} else {
if (listener->pointer_focus.link.prev) {
wl_list_remove(&listener->pointer_focus.link);
}
}
if (keyboard && keyboard->focus != NULL) {
wl_list_for_each(fsout, &listener->shell->output_list, link) {
if (fsout->surface) {
weston_seat_set_keyboard_focus(seat, fsout->surface);
return;
}
}
}
}
static void
seat_destroyed(struct wl_listener *l, void *data)
{
struct pointer_focus_listener *listener;
listener = container_of(l, struct pointer_focus_listener,
seat_destroyed);
free(listener);
}
static void
seat_created(struct wl_listener *l, void *data)
{
struct weston_seat *seat = data;
struct pointer_focus_listener *listener;
listener = zalloc(sizeof *listener);
if (!listener)
return;
listener->shell = container_of(l, struct fullscreen_shell,
seat_created_listener);
listener->pointer_focus.notify = pointer_focus_changed;
listener->seat_caps.notify = seat_caps_changed;
listener->seat_destroyed.notify = seat_destroyed;
wl_signal_add(&seat->destroy_signal, &listener->seat_destroyed);
wl_signal_add(&seat->updated_caps_signal, &listener->seat_caps);
seat_caps_changed(&listener->seat_caps, seat);
}
static void
black_surface_committed(struct weston_surface *es,
struct weston_coord_surface new_origin)
{
}
static struct weston_curtain *
create_curtain(struct weston_compositor *ec, struct fs_output *fsout,
struct weston_coord_global pos, int w, int h)
{
struct weston_curtain_params curtain_params = {
.r = 0.0, .g = 0.0, .b = 0.0, .a = 1.0,
.pos = pos, .width = w, .height = h,
.surface_committed = black_surface_committed,
.get_label = NULL,
.surface_private = fsout,
.capture_input = true,
};
struct weston_curtain *curtain;
curtain = weston_shell_utils_curtain_create(ec, &curtain_params);
if (!curtain) {
weston_log("no memory\n");
return NULL;
}
return curtain;
}
static void
fs_output_set_surface(struct fs_output *fsout, struct weston_surface *surface,
enum zwp_fullscreen_shell_v1_present_method method,
int32_t framerate, int presented_for_mode);
static void
fs_output_apply_pending(struct fs_output *fsout);
static void
fs_output_clear_pending(struct fs_output *fsout);
static void
fs_output_destroy(struct fs_output *fsout)
{
fs_output_set_surface(fsout, NULL, 0, 0, 0);
fs_output_clear_pending(fsout);
weston_shell_utils_curtain_destroy(fsout->curtain);
wl_list_remove(&fsout->link);
if (fsout->output)
wl_list_remove(&fsout->output_destroyed.link);
free(fsout);
}
static void
output_destroyed(struct wl_listener *listener, void *data)
{
struct fs_output *output = container_of(listener,
struct fs_output,
output_destroyed);
fs_output_destroy(output);
}
static void
surface_destroyed(struct wl_listener *listener, void *data)
{
struct fs_output *fsout = container_of(listener,
struct fs_output,
surface_destroyed);
fsout->surface = NULL;
fsout->view = NULL;
wl_list_remove(&fsout->transform.link);
wl_list_init(&fsout->transform.link);
}
static void
pending_surface_destroyed(struct wl_listener *listener, void *data)
{
struct fs_output *fsout = container_of(listener,
struct fs_output,
pending.surface_destroyed);
fsout->pending.surface = NULL;
}
static void
configure_presented_surface_internal(struct weston_surface *surface);
static struct fs_output *
fs_output_create(struct fullscreen_shell *shell, struct weston_output *output)
{
struct weston_seat *seat;
struct fs_output *fsout;
struct fs_client_surface *surf;
fsout = zalloc(sizeof *fsout);
if (!fsout)
return NULL;
fsout->shell = shell;
wl_list_insert(&shell->output_list, &fsout->link);
wl_list_init(&fsout->transform.link);
fsout->output = output;
fsout->output_destroyed.notify = output_destroyed;
wl_signal_add(&output->destroy_signal, &fsout->output_destroyed);
fsout->surface_destroyed.notify = surface_destroyed;
fsout->pending.surface_destroyed.notify = pending_surface_destroyed;
fsout->curtain = create_curtain(shell->compositor, fsout,
output->pos,
output->width, output->height);
weston_view_move_to_layer(fsout->curtain->view,
&shell->layer.view_list);
if (!wl_list_empty(&shell->default_surface_list)) {
surf = container_of(shell->default_surface_list.prev,
struct fs_client_surface, link);
fs_output_set_surface(fsout, surf->surface, surf->method, 0, 0);
configure_presented_surface_internal(surf->surface);
wl_list_for_each(seat, &shell->compositor->seat_list, link) {
struct weston_keyboard *keyboard =
weston_seat_get_keyboard(seat);
if (keyboard && !keyboard->focus)
weston_seat_set_keyboard_focus(seat, surf->surface);
}
}
return fsout;
}
static struct fs_output *
fs_output_for_output(struct weston_output *output)
{
struct wl_listener *listener;
if (!output)
return NULL;
listener = wl_signal_get(&output->destroy_signal, output_destroyed);
return container_of(listener, struct fs_output, output_destroyed);
}
static void
restore_output_mode(struct weston_output *output)
{
if (output && output->original_mode)
weston_output_mode_switch_to_native(output);
}
static void
fs_output_scale_view(struct fs_output *fsout, float width, float height)
{
int32_t surf_x, surf_y, surf_width, surf_height;
struct weston_matrix *matrix;
struct weston_view *view = fsout->view;
struct weston_output *output = fsout->output;
struct weston_coord_global pos = fsout->output->pos;
weston_shell_utils_subsurfaces_boundingbox(view->surface, &surf_x, &surf_y,
&surf_width, &surf_height);
if (output->width == surf_width && output->height == surf_height) {
pos.c.x -= surf_x;
pos.c.y -= surf_y;
weston_view_set_position(view, pos);
weston_view_remove_transform(fsout->view, &fsout->transform);
} else {
matrix = &fsout->transform.matrix;
weston_matrix_init(matrix);
weston_matrix_scale(matrix, width / surf_width,
height / surf_height, 1);
weston_view_add_transform(fsout->view,
&fsout->view->geometry.transformation_list,
&fsout->transform);
pos.c.x += (output->width - width) / 2 - surf_x;
pos.c.y += (output->height - height) / 2 - surf_y;
weston_view_set_position(view, pos);
}
}
static void
fs_output_configure(struct fs_output *fsout, struct weston_surface *surface);
static void
fs_output_configure_simple(struct fs_output *fsout,
struct weston_surface *configured_surface)
{
struct weston_output *output = fsout->output;
float output_aspect, surface_aspect;
int32_t surf_x, surf_y, surf_width, surf_height;
struct weston_coord_global pos;
if (fsout->pending.surface == configured_surface)
fs_output_apply_pending(fsout);
assert(fsout->view);
restore_output_mode(fsout->output);
wl_list_remove(&fsout->transform.link);
wl_list_init(&fsout->transform.link);
weston_shell_utils_subsurfaces_boundingbox(fsout->view->surface,
&surf_x, &surf_y,
&surf_width, &surf_height);
output_aspect = (float) output->width / (float) output->height;
surface_aspect = (float) surf_width / (float) surf_height;
switch (fsout->method) {
case ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_DEFAULT:
case ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_CENTER:
weston_shell_utils_center_on_output(fsout->view, fsout->output);
break;
case ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_ZOOM:
if (output_aspect < surface_aspect)
fs_output_scale_view(fsout,
output->width,
output->width / surface_aspect);
else
fs_output_scale_view(fsout,
output->height * surface_aspect,
output->height);
break;
case ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_ZOOM_CROP:
if (output_aspect < surface_aspect)
fs_output_scale_view(fsout,
output->height * surface_aspect,
output->height);
else
fs_output_scale_view(fsout,
output->width,
output->width / surface_aspect);
break;
case ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_STRETCH:
fs_output_scale_view(fsout, output->width, output->height);
break;
default:
break;
}
pos = fsout->output->pos;
pos.c.x -= surf_x;
pos.c.y -= surf_y;
weston_view_set_position(fsout->curtain->view, pos);
weston_surface_set_size(fsout->curtain->view->surface,
fsout->output->width,
fsout->output->height);
}
static void
fs_output_configure_for_mode(struct fs_output *fsout,
struct weston_surface *configured_surface)
{
int32_t surf_x, surf_y, surf_width, surf_height;
struct weston_mode mode;
struct weston_coord_global pos;
int ret;
if (fsout->pending.surface != configured_surface) {
/* Nothing to really reconfigure. We'll just recenter the
* view in case they played with subsurfaces */
weston_shell_utils_center_on_output(fsout->view, fsout->output);
return;
}
/* We have a pending surface */
weston_shell_utils_subsurfaces_boundingbox(fsout->pending.surface,
&surf_x, &surf_y,
&surf_width, &surf_height);
/* The actual output mode is in physical units. We need to
* transform the surface size to physical unit size by flipping and
* possibly scaling it.
*/
switch (fsout->output->transform) {
case WL_OUTPUT_TRANSFORM_90:
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
case WL_OUTPUT_TRANSFORM_270:
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
mode.width = surf_height * fsout->output->native_scale;
mode.height = surf_width * fsout->output->native_scale;
break;
case WL_OUTPUT_TRANSFORM_NORMAL:
case WL_OUTPUT_TRANSFORM_FLIPPED:
case WL_OUTPUT_TRANSFORM_180:
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
default:
mode.width = surf_width * fsout->output->native_scale;
mode.height = surf_height * fsout->output->native_scale;
}
mode.flags = 0;
mode.refresh = fsout->pending.framerate;
ret = weston_output_mode_switch_to_temporary(fsout->output, &mode,
fsout->output->native_scale);
if (ret != 0) {
/* The mode switch failed. Clear the pending and
* reconfigure as per normal */
if (fsout->pending.mode_feedback) {
zwp_fullscreen_shell_mode_feedback_v1_send_mode_failed(
fsout->pending.mode_feedback);
wl_resource_destroy(fsout->pending.mode_feedback);
fsout->pending.mode_feedback = NULL;
}
fs_output_clear_pending(fsout);
return;
}
if (fsout->pending.mode_feedback) {
zwp_fullscreen_shell_mode_feedback_v1_send_mode_successful(
fsout->pending.mode_feedback);
wl_resource_destroy(fsout->pending.mode_feedback);
fsout->pending.mode_feedback = NULL;
}
fs_output_apply_pending(fsout);
pos = fsout->output->pos;
pos.c.x -= surf_x;
pos.c.y -= surf_y;
weston_view_set_position(fsout->view, pos);
}
static void
fs_output_configure(struct fs_output *fsout,
struct weston_surface *surface)
{
if (fsout->pending.surface == surface) {
if (fsout->pending.presented_for_mode)
fs_output_configure_for_mode(fsout, surface);
else
fs_output_configure_simple(fsout, surface);
} else {
if (fsout->presented_for_mode)
fs_output_configure_for_mode(fsout, surface);
else
fs_output_configure_simple(fsout, surface);
}
weston_output_schedule_repaint(fsout->output);
}
static void
configure_presented_surface(struct weston_surface *surface,
struct weston_coord_surface new_origin)
{
configure_presented_surface_internal(surface);
}
static void
configure_presented_surface_internal(struct weston_surface *surface)
{
struct fullscreen_shell *shell = surface->committed_private;
struct fs_output *fsout;
if (surface->committed != configure_presented_surface)
return;
if (!weston_surface_has_content(surface))
return;
if (!weston_surface_is_mapped(surface))
weston_surface_map(surface);
wl_list_for_each(fsout, &shell->output_list, link)
if (fsout->surface == surface ||
fsout->pending.surface == surface)
fs_output_configure(fsout, surface);
}
static void
fs_output_apply_pending(struct fs_output *fsout)
{
assert(fsout->pending.surface);
if (!weston_surface_is_mapped(fsout->pending.surface) &&
!weston_surface_has_content(fsout->pending.surface))
return;
if (fsout->surface && fsout->surface != fsout->pending.surface) {
wl_list_remove(&fsout->surface_destroyed.link);
weston_view_destroy(fsout->view);
fsout->view = NULL;
if (wl_list_empty(&fsout->surface->views)) {
fsout->surface->committed = NULL;
fsout->surface->committed_private = NULL;
}
fsout->surface = NULL;
}
fsout->method = fsout->pending.method;
fsout->framerate = fsout->pending.framerate;
fsout->presented_for_mode = fsout->pending.presented_for_mode;
if (fsout->surface != fsout->pending.surface) {
fsout->surface = fsout->pending.surface;
if (!weston_surface_is_mapped(fsout->surface))
weston_surface_map(fsout->surface);
fsout->view = weston_view_create(fsout->surface);
if (!fsout->view) {
weston_log("no memory\n");
return;
}
wl_signal_add(&fsout->surface->destroy_signal,
&fsout->surface_destroyed);
weston_view_move_to_layer(fsout->view,
&fsout->shell->layer.view_list);
}
fs_output_clear_pending(fsout);
}
static void
fs_output_clear_pending(struct fs_output *fsout)
{
if (!fsout->pending.surface)
return;
if (fsout->pending.mode_feedback) {
zwp_fullscreen_shell_mode_feedback_v1_send_present_cancelled(
fsout->pending.mode_feedback);
wl_resource_destroy(fsout->pending.mode_feedback);
fsout->pending.mode_feedback = NULL;
}
wl_list_remove(&fsout->pending.surface_destroyed.link);
fsout->pending.surface = NULL;
}
static void
fs_output_set_surface(struct fs_output *fsout, struct weston_surface *surface,
enum zwp_fullscreen_shell_v1_present_method method,
int32_t framerate, int presented_for_mode)
{
fs_output_clear_pending(fsout);
if (surface) {
if (!surface->committed) {
surface->committed = configure_presented_surface;
surface->committed_private = fsout->shell;
}
fsout->pending.surface = surface;
wl_signal_add(&fsout->pending.surface->destroy_signal,
&fsout->pending.surface_destroyed);
fsout->pending.method = method;
fsout->pending.framerate = framerate;
fsout->pending.presented_for_mode = presented_for_mode;
} else if (fsout->surface) {
/* we clear immediately */
wl_list_remove(&fsout->surface_destroyed.link);
weston_view_destroy(fsout->view);
fsout->view = NULL;
if (wl_list_empty(&fsout->surface->views)) {
fsout->surface->committed = NULL;
fsout->surface->committed_private = NULL;
}
fsout->surface = NULL;
weston_output_schedule_repaint(fsout->output);
}
}
static void
fullscreen_shell_release(struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy(resource);
}
static void
fullscreen_shell_present_surface(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *surface_res,
uint32_t method,
struct wl_resource *output_res)
{
struct fullscreen_shell *shell =
wl_resource_get_user_data(resource);
struct weston_surface *surface;
struct weston_seat *seat;
struct fs_output *fsout;
surface = surface_res ? wl_resource_get_user_data(surface_res) : NULL;
switch(method) {
case ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_DEFAULT:
case ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_CENTER:
case ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_ZOOM:
case ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_ZOOM_CROP:
case ZWP_FULLSCREEN_SHELL_V1_PRESENT_METHOD_STRETCH:
break;
default:
wl_resource_post_error(resource,
ZWP_FULLSCREEN_SHELL_V1_ERROR_INVALID_METHOD,
"Invalid presentation method");
}
if (output_res) {
struct weston_head *head =
weston_head_from_resource(output_res);
if (!head)
return;
fsout = fs_output_for_output(head->output);
fs_output_set_surface(fsout, surface, method, 0, 0);
} else {
replace_default_surface(shell, surface, method);
wl_list_for_each(fsout, &shell->output_list, link)
fs_output_set_surface(fsout, surface, method, 0, 0);
}
if (surface) {
wl_list_for_each(seat, &shell->compositor->seat_list, link) {
struct weston_keyboard *keyboard =
weston_seat_get_keyboard(seat);
if (keyboard && !keyboard->focus)
weston_seat_set_keyboard_focus(seat, surface);
}
}
}
static void
mode_feedback_destroyed(struct wl_resource *resource)
{
struct fs_output *fsout = wl_resource_get_user_data(resource);
fsout->pending.mode_feedback = NULL;
}
static void
fullscreen_shell_present_surface_for_mode(struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *surface_res,
struct wl_resource *output_res,
int32_t framerate,
uint32_t feedback_id)
{
struct fullscreen_shell *shell =
wl_resource_get_user_data(resource);
struct weston_surface *surface;
struct weston_seat *seat;
struct fs_output *fsout;
struct weston_head *head = weston_head_from_resource(output_res);
if (!head)
return;
fsout = fs_output_for_output(head->output);
if (surface_res == NULL) {
fs_output_set_surface(fsout, NULL, 0, 0, 0);
return;
}
surface = wl_resource_get_user_data(surface_res);
fs_output_set_surface(fsout, surface, 0, framerate, 1);
fsout->pending.mode_feedback =
wl_resource_create(client,
&zwp_fullscreen_shell_mode_feedback_v1_interface,
1, feedback_id);
wl_resource_set_implementation(fsout->pending.mode_feedback, NULL,
fsout, mode_feedback_destroyed);
wl_list_for_each(seat, &shell->compositor->seat_list, link) {
struct weston_keyboard *keyboard =
weston_seat_get_keyboard(seat);
if (keyboard && !keyboard->focus)
weston_seat_set_keyboard_focus(seat, surface);
}
}
struct zwp_fullscreen_shell_v1_interface fullscreen_shell_implementation = {
fullscreen_shell_release,
fullscreen_shell_present_surface,
fullscreen_shell_present_surface_for_mode,
};
static void
output_geometry_changed(struct wl_listener *listener, void *data)
{
struct fs_output *fsout;
fsout = fs_output_for_output(data);
if (fsout && fsout->surface)
fs_output_configure(fsout, fsout->surface);
}
static void
output_created(struct wl_listener *listener, void *data)
{
struct fullscreen_shell *shell;
shell = container_of(listener, struct fullscreen_shell,
output_created_listener);
fs_output_create(shell, data);
}
static void
client_destroyed(struct wl_listener *listener, void *data)
{
struct fullscreen_shell *shell = container_of(listener,
struct fullscreen_shell,
client_destroyed);
shell->client = NULL;
}
static void
bind_fullscreen_shell(struct wl_client *client, void *data, uint32_t version,
uint32_t id)
{
struct fullscreen_shell *shell = data;
struct wl_resource *resource;
if (shell->client != NULL && shell->client != client)
return;
else if (shell->client == NULL) {
shell->client = client;
wl_client_add_destroy_listener(client, &shell->client_destroyed);
}
resource = wl_resource_create(client,
&zwp_fullscreen_shell_v1_interface,
1, id);
wl_resource_set_implementation(resource,
&fullscreen_shell_implementation,
shell, NULL);
if (shell->compositor->capabilities & WESTON_CAP_CURSOR_PLANE)
zwp_fullscreen_shell_v1_send_capability(resource,
ZWP_FULLSCREEN_SHELL_V1_CAPABILITY_CURSOR_PLANE);
if (shell->compositor->capabilities & WESTON_CAP_ARBITRARY_MODES)
zwp_fullscreen_shell_v1_send_capability(resource,
ZWP_FULLSCREEN_SHELL_V1_CAPABILITY_ARBITRARY_MODES);
}
static void
fullscreen_shell_destroy(struct wl_listener *listener, void *data)
{
struct fs_output *fs_output, *fs_output_next;
struct fs_client_surface *surf;
struct fullscreen_shell *shell =
container_of(listener, struct fullscreen_shell, destroy_listener);
/* remove the curtain(s) */
wl_list_for_each_safe(fs_output, fs_output_next, &shell->output_list, link)
fs_output_destroy(fs_output);
wl_list_remove(&shell->output_created_listener.link);
wl_list_remove(&shell->output_moved_listener.link);
wl_list_remove(&shell->output_resized_listener.link);
if (!wl_list_empty(&shell->default_surface_list)) {
surf = container_of(shell->default_surface_list.prev,
struct fs_client_surface, link);
remove_default_surface(surf);
}
weston_layer_fini(&shell->layer);
free(shell);
}
WL_EXPORT int
wet_shell_init(struct weston_compositor *compositor,
int *argc, char *argv[])
{
struct fullscreen_shell *shell;
struct weston_seat *seat;
struct weston_output *output;
shell = zalloc(sizeof *shell);
if (shell == NULL)
return -1;
shell->compositor = compositor;
if (!weston_compositor_add_destroy_listener_once(compositor,
&shell->destroy_listener,
fullscreen_shell_destroy)) {
free(shell);
return 0;
}
wl_list_init(&shell->default_surface_list);
shell->client_destroyed.notify = client_destroyed;
weston_layer_init(&shell->layer, compositor);
weston_layer_set_position(&shell->layer,
WESTON_LAYER_POSITION_FULLSCREEN);
wl_list_init(&shell->output_list);
shell->output_created_listener.notify = output_created;
wl_signal_add(&compositor->output_created_signal,
&shell->output_created_listener);
wl_list_for_each(output, &compositor->output_list, link)
fs_output_create(shell, output);
shell->output_resized_listener.notify = output_geometry_changed;
wl_signal_add(&compositor->output_resized_signal,
&shell->output_resized_listener);
shell->output_moved_listener.notify = output_geometry_changed;
wl_signal_add(&compositor->output_moved_signal,
&shell->output_moved_listener);
shell->seat_created_listener.notify = seat_created;
wl_signal_add(&compositor->seat_created_signal,
&shell->seat_created_listener);
wl_list_for_each(seat, &compositor->seat_list, link)
seat_created(&shell->seat_created_listener, seat);
wl_global_create(compositor->wl_display,
&zwp_fullscreen_shell_v1_interface, 1, shell,
bind_fullscreen_shell);
screenshooter_create(compositor);
return 0;
}