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#include <stdlib.h>
#include <wlc/wlc.h>
#include <wlc/wlc-wayland.h>
#include <wlc/wlc-render.h>
#include "wayland-desktop-shell-server-protocol.h"
#include "wayland-swaylock-server-protocol.h"
#include "sway/layout.h"
#include "sway/input_state.h"
#include "sway/extensions.h"
#include "sway/security.h"
#include "sway/ipc-server.h"
#include "log.h"
struct desktop_shell_state desktop_shell;
static struct panel_config *find_or_create_panel_config(struct wl_resource *resource) {
for (int i = 0; i < desktop_shell.panels->length; i++) {
struct panel_config *conf = desktop_shell.panels->items[i];
if (conf->wl_resource == resource) {
sway_log(L_DEBUG, "Found existing panel config for resource %p", resource);
return conf;
}
}
sway_log(L_DEBUG, "Creating panel config for resource %p", resource);
struct panel_config *config = calloc(1, sizeof(struct panel_config));
if (!config) {
sway_log(L_ERROR, "Unable to create panel config");
return NULL;
}
list_add(desktop_shell.panels, config);
config->wl_resource = resource;
return config;
}
void background_surface_destructor(struct wl_resource *resource) {
sway_log(L_DEBUG, "Background surface killed");
int i;
for (i = 0; i < desktop_shell.backgrounds->length; ++i) {
struct background_config *config = desktop_shell.backgrounds->items[i];
if (config->wl_surface_res == resource) {
list_del(desktop_shell.backgrounds, i);
break;
}
}
}
void panel_surface_destructor(struct wl_resource *resource) {
sway_log(L_DEBUG, "Panel surface killed");
int i;
for (i = 0; i < desktop_shell.panels->length; ++i) {
struct panel_config *config = desktop_shell.panels->items[i];
if (config->wl_surface_res == resource) {
list_del(desktop_shell.panels, i);
arrange_windows(&root_container, -1, -1);
break;
}
}
}
void lock_surface_destructor(struct wl_resource *resource) {
sway_log(L_DEBUG, "Lock surface killed");
int i;
for (i = 0; i < desktop_shell.lock_surfaces->length; ++i) {
struct wl_resource *surface = desktop_shell.lock_surfaces->items[i];
if (surface == resource) {
list_del(desktop_shell.lock_surfaces, i);
arrange_windows(&root_container, -1, -1);
desktop_shell.is_locked = false;
break;
}
}
}
static void set_background(struct wl_client *client, struct wl_resource *resource,
struct wl_resource *_output, struct wl_resource *surface) {
pid_t pid;
wl_client_get_credentials(client, &pid, NULL, NULL);
if (!(get_feature_policy(pid) & FEATURE_BACKGROUND)) {
sway_log(L_INFO, "Denying background feature to %d", pid);
return;
}
wlc_handle output = wlc_handle_from_wl_output_resource(_output);
if (!output) {
return;
}
sway_log(L_DEBUG, "Setting surface %p as background for output %d", surface, (int)output);
struct background_config *config = malloc(sizeof(struct background_config));
if (!config) {
sway_log(L_ERROR, "Unable to allocate background config");
return;
}
config->client = client;
config->output = output;
config->surface = wlc_resource_from_wl_surface_resource(surface);
config->wl_surface_res = surface;
list_add(desktop_shell.backgrounds, config);
wl_resource_set_destructor(surface, background_surface_destructor);
arrange_windows(swayc_by_handle(output), -1, -1);
wlc_output_schedule_render(config->output);
}
static void set_panel(struct wl_client *client, struct wl_resource *resource,
struct wl_resource *_output, struct wl_resource *surface) {
pid_t pid;
wl_client_get_credentials(client, &pid, NULL, NULL);
if (!(get_feature_policy(pid) & FEATURE_PANEL)) {
sway_log(L_INFO, "Denying panel feature to %d", pid);
return;
}
wlc_handle output = wlc_handle_from_wl_output_resource(_output);
if (!output) {
return;
}
sway_log(L_DEBUG, "Setting surface %p as panel for output %d (wl_resource: %p)", surface, (int)output, resource);
struct panel_config *config = find_or_create_panel_config(resource);
config->output = output;
config->client = client;
config->surface = wlc_resource_from_wl_surface_resource(surface);
config->wl_surface_res = surface;
wl_resource_set_destructor(surface, panel_surface_destructor);
arrange_windows(&root_container, -1, -1);
wlc_output_schedule_render(config->output);
}
static void desktop_set_lock_surface(struct wl_client *client, struct wl_resource *resource, struct wl_resource *surface) {
sway_log(L_ERROR, "desktop_set_lock_surface is not currently supported");
}
static void desktop_unlock(struct wl_client *client, struct wl_resource *resource) {
sway_log(L_ERROR, "desktop_unlock is not currently supported");
}
static void set_lock_surface(struct wl_client *client, struct wl_resource *resource,
struct wl_resource *_output, struct wl_resource *surface) {
pid_t pid;
wl_client_get_credentials(client, &pid, NULL, NULL);
if (!(get_feature_policy(pid) & FEATURE_LOCK)) {
sway_log(L_INFO, "Denying lock feature to %d", pid);
return;
}
swayc_t *output = swayc_by_handle(wlc_handle_from_wl_output_resource(_output));
swayc_t *view = swayc_by_handle(wlc_handle_from_wl_surface_resource(surface));
sway_log(L_DEBUG, "Setting lock surface to %p", view);
if (view && output) {
swayc_t *workspace = output->focused;
if (!swayc_is_child_of(view, workspace)) {
move_container_to(view, workspace);
}
// make the view floating so it doesn't rearrange other siblings.
if (!view->is_floating) {
destroy_container(remove_child(view));
add_floating(workspace, view);
}
wlc_view_set_state(view->handle, WLC_BIT_FULLSCREEN, true);
wlc_view_bring_to_front(view->handle);
wlc_view_focus(view->handle);
desktop_shell.is_locked = true;
input_init();
arrange_windows(workspace, -1, -1);
swayc_t *focus_output = swayc_active_output();
if (focus_output == output) {
set_focused_container(view);
}
list_add(desktop_shell.lock_surfaces, surface);
wl_resource_set_destructor(surface, lock_surface_destructor);
} else {
sway_log(L_ERROR, "Attempted to set lock surface to non-view");
}
}
static void unlock(struct wl_client *client, struct wl_resource *resource) {
sway_log(L_ERROR, "unlock is not currently supported");
// This isn't really necessary, we just unlock when the client exits.
}
static void set_grab_surface(struct wl_client *client, struct wl_resource *resource, struct wl_resource *surface) {
sway_log(L_ERROR, "desktop_set_grab_surface is not currently supported");
}
static void desktop_ready(struct wl_client *client, struct wl_resource *resource) {
// nop
}
static void set_panel_position(struct wl_client *client, struct wl_resource *resource, uint32_t position) {
pid_t pid;
wl_client_get_credentials(client, &pid, NULL, NULL);
if (!(get_feature_policy(pid) & FEATURE_PANEL)) {
sway_log(L_INFO, "Denying panel feature to %d", pid);
return;
}
struct panel_config *config = find_or_create_panel_config(resource);
sway_log(L_DEBUG, "Panel position for wl_resource %p changed %d => %d", resource, config->panel_position, position);
config->panel_position = position;
arrange_windows(&root_container, -1, -1);
}
static struct desktop_shell_interface desktop_shell_implementation = {
.set_background = set_background,
.set_panel = set_panel,
.set_lock_surface = desktop_set_lock_surface,
.unlock = desktop_unlock,
.set_grab_surface = set_grab_surface,
.desktop_ready = desktop_ready,
.set_panel_position = set_panel_position
};
static struct lock_interface swaylock_implementation = {
.set_lock_surface = set_lock_surface,
.unlock = unlock
};
static void desktop_shell_bind(struct wl_client *client, void *data,
unsigned int version, unsigned int id) {
if (version > 3) {
// Unsupported version
return;
}
struct wl_resource *resource = wl_resource_create(client, &desktop_shell_interface, version, id);
if (!resource) {
wl_client_post_no_memory(client);
}
wl_resource_set_implementation(resource, &desktop_shell_implementation, NULL, NULL);
}
static void swaylock_bind(struct wl_client *client, void *data,
unsigned int version, unsigned int id) {
if (version > 1) {
// Unsupported version
return;
}
struct wl_resource *resource = wl_resource_create(client, &lock_interface, version, id);
if (!resource) {
wl_client_post_no_memory(client);
}
wl_resource_set_implementation(resource, &swaylock_implementation, NULL, NULL);
}
void register_extensions(void) {
wl_global_create(wlc_get_wl_display(), &desktop_shell_interface, 3, NULL, desktop_shell_bind);
desktop_shell.backgrounds = create_list();
desktop_shell.panels = create_list();
desktop_shell.lock_surfaces = create_list();
desktop_shell.is_locked = false;
wl_global_create(wlc_get_wl_display(), &lock_interface, 1, NULL, swaylock_bind);
}
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