wlroots/rootston/xdg_shell.c

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C
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#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#include <wayland-server.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/types/wlr_xdg_shell.h>
#include <wlr/util/log.h>
#include "rootston/desktop.h"
#include "rootston/input.h"
#include "rootston/server.h"
static void popup_destroy(struct roots_view_child *child) {
assert(child->destroy == popup_destroy);
struct roots_xdg_popup *popup = (struct roots_xdg_popup *)child;
if (popup == NULL) {
return;
}
wl_list_remove(&popup->destroy.link);
wl_list_remove(&popup->new_popup.link);
view_child_finish(&popup->view_child);
free(popup);
}
static void popup_handle_destroy(struct wl_listener *listener, void *data) {
struct roots_xdg_popup *popup =
wl_container_of(listener, popup, destroy);
popup_destroy((struct roots_view_child *)popup);
}
static void popup_handle_map(struct wl_listener *listener, void *data) {
struct roots_xdg_popup *popup = wl_container_of(listener, popup, map);
view_damage_whole(popup->view_child.view);
}
static void popup_handle_unmap(struct wl_listener *listener, void *data) {
struct roots_xdg_popup *popup = wl_container_of(listener, popup, unmap);
view_damage_whole(popup->view_child.view);
}
static struct roots_xdg_popup *popup_create(struct roots_view *view,
struct wlr_xdg_popup *wlr_popup);
static void popup_handle_new_popup(struct wl_listener *listener, void *data) {
struct roots_xdg_popup *popup =
wl_container_of(listener, popup, new_popup);
struct wlr_xdg_popup *wlr_popup = data;
popup_create(popup->view_child.view, wlr_popup);
}
static struct roots_xdg_popup *popup_create(struct roots_view *view,
struct wlr_xdg_popup *wlr_popup) {
struct roots_xdg_popup *popup =
calloc(1, sizeof(struct roots_xdg_popup));
if (popup == NULL) {
return NULL;
}
popup->wlr_popup = wlr_popup;
popup->view_child.destroy = popup_destroy;
view_child_init(&popup->view_child, view, wlr_popup->base->surface);
popup->destroy.notify = popup_handle_destroy;
wl_signal_add(&wlr_popup->base->events.destroy, &popup->destroy);
popup->map.notify = popup_handle_map;
wl_signal_add(&wlr_popup->base->events.map, &popup->map);
popup->unmap.notify = popup_handle_unmap;
wl_signal_add(&wlr_popup->base->events.unmap, &popup->unmap);
popup->new_popup.notify = popup_handle_new_popup;
wl_signal_add(&wlr_popup->base->events.new_popup, &popup->new_popup);
return popup;
}
static void get_size(const struct roots_view *view, struct wlr_box *box) {
assert(view->type == ROOTS_XDG_SHELL_VIEW);
struct wlr_xdg_surface *surface = view->xdg_surface;
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if (surface->geometry.width > 0 && surface->geometry.height > 0) {
box->width = surface->geometry.width;
box->height = surface->geometry.height;
} else if (view->wlr_surface != NULL) {
box->width = view->wlr_surface->current->width;
box->height = view->wlr_surface->current->height;
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} else {
box->width = box->height = 0;
}
}
static void activate(struct roots_view *view, bool active) {
assert(view->type == ROOTS_XDG_SHELL_VIEW);
struct wlr_xdg_surface *surface = view->xdg_surface;
if (surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
wlr_xdg_toplevel_set_activated(surface, active);
}
}
static void apply_size_constraints(struct wlr_xdg_surface *surface,
uint32_t width, uint32_t height, uint32_t *dest_width,
uint32_t *dest_height) {
*dest_width = width;
*dest_height = height;
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struct wlr_xdg_toplevel_state *state = &surface->toplevel->current;
if (width < state->min_width) {
*dest_width = state->min_width;
} else if (state->max_width > 0 &&
width > state->max_width) {
*dest_width = state->max_width;
}
if (height < state->min_height) {
*dest_height = state->min_height;
} else if (state->max_height > 0 &&
height > state->max_height) {
*dest_height = state->max_height;
}
}
static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
assert(view->type == ROOTS_XDG_SHELL_VIEW);
struct wlr_xdg_surface *surface = view->xdg_surface;
if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
uint32_t constrained_width, constrained_height;
apply_size_constraints(surface, width, height, &constrained_width,
&constrained_height);
wlr_xdg_toplevel_set_size(surface, constrained_width,
constrained_height);
}
static void move_resize(struct roots_view *view, double x, double y,
uint32_t width, uint32_t height) {
assert(view->type == ROOTS_XDG_SHELL_VIEW);
struct roots_xdg_surface *roots_surface = view->roots_xdg_surface;
struct wlr_xdg_surface *surface = view->xdg_surface;
if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
bool update_x = x != view->x;
bool update_y = y != view->y;
uint32_t constrained_width, constrained_height;
apply_size_constraints(surface, width, height, &constrained_width,
&constrained_height);
if (update_x) {
x = x + width - constrained_width;
}
if (update_y) {
y = y + height - constrained_height;
}
view->pending_move_resize.update_x = update_x;
view->pending_move_resize.update_y = update_y;
view->pending_move_resize.x = x;
view->pending_move_resize.y = y;
view->pending_move_resize.width = constrained_width;
view->pending_move_resize.height = constrained_height;
uint32_t serial = wlr_xdg_toplevel_set_size(surface, constrained_width,
constrained_height);
if (serial > 0) {
roots_surface->pending_move_resize_configure_serial = serial;
} else if (roots_surface->pending_move_resize_configure_serial == 0) {
view_update_position(view, x, y);
}
}
static void maximize(struct roots_view *view, bool maximized) {
assert(view->type == ROOTS_XDG_SHELL_VIEW);
struct wlr_xdg_surface *surface = view->xdg_surface;
if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
wlr_xdg_toplevel_set_maximized(surface, maximized);
}
static void set_fullscreen(struct roots_view *view, bool fullscreen) {
assert(view->type == ROOTS_XDG_SHELL_VIEW);
struct wlr_xdg_surface *surface = view->xdg_surface;
if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
wlr_xdg_toplevel_set_fullscreen(surface, fullscreen);
}
static void close(struct roots_view *view) {
assert(view->type == ROOTS_XDG_SHELL_VIEW);
struct wlr_xdg_surface *surface = view->xdg_surface;
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struct wlr_xdg_popup *popup = NULL;
wl_list_for_each(popup, &surface->popups, link) {
wlr_xdg_surface_send_close(popup->base);
}
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wlr_xdg_surface_send_close(surface);
}
static void destroy(struct roots_view *view) {
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assert(view->type == ROOTS_XDG_SHELL_VIEW);
struct roots_xdg_surface *roots_xdg_surface = view->roots_xdg_surface;
wl_list_remove(&roots_xdg_surface->surface_commit.link);
wl_list_remove(&roots_xdg_surface->destroy.link);
wl_list_remove(&roots_xdg_surface->new_popup.link);
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wl_list_remove(&roots_xdg_surface->map.link);
wl_list_remove(&roots_xdg_surface->unmap.link);
wl_list_remove(&roots_xdg_surface->request_move.link);
wl_list_remove(&roots_xdg_surface->request_resize.link);
wl_list_remove(&roots_xdg_surface->request_maximize.link);
wl_list_remove(&roots_xdg_surface->request_fullscreen.link);
free(roots_xdg_surface);
}
static void handle_request_move(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_move);
struct roots_view *view = roots_xdg_surface->view;
struct roots_input *input = view->desktop->server->input;
struct wlr_xdg_toplevel_move_event *e = data;
struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat);
// TODO verify event serial
if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
return;
}
roots_seat_begin_move(seat, view);
}
static void handle_request_resize(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_resize);
struct roots_view *view = roots_xdg_surface->view;
struct roots_input *input = view->desktop->server->input;
struct wlr_xdg_toplevel_resize_event *e = data;
// TODO verify event serial
struct roots_seat *seat = input_seat_from_wlr_seat(input, e->seat->seat);
assert(seat);
if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
return;
}
roots_seat_begin_resize(seat, view, e->edges);
}
static void handle_request_maximize(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_maximize);
struct roots_view *view = roots_xdg_surface->view;
struct wlr_xdg_surface *surface = view->xdg_surface;
if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
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view_maximize(view, surface->toplevel->next.maximized);
}
static void handle_request_fullscreen(struct wl_listener *listener,
void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, request_fullscreen);
struct roots_view *view = roots_xdg_surface->view;
struct wlr_xdg_surface *surface = view->xdg_surface;
struct wlr_xdg_toplevel_set_fullscreen_event *e = data;
if (surface->role != WLR_XDG_SURFACE_ROLE_TOPLEVEL) {
return;
}
view_set_fullscreen(view, e->fullscreen, e->output);
}
static void handle_surface_commit(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_surface =
wl_container_of(listener, roots_surface, surface_commit);
struct roots_view *view = roots_surface->view;
struct wlr_xdg_surface *surface = view->xdg_surface;
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if (!surface->mapped) {
return;
}
view_apply_damage(view);
struct wlr_box size;
get_size(view, &size);
view_update_size(view, size.width, size.height);
uint32_t pending_serial =
roots_surface->pending_move_resize_configure_serial;
if (pending_serial > 0 && pending_serial >= surface->configure_serial) {
double x = view->x;
double y = view->y;
if (view->pending_move_resize.update_x) {
x = view->pending_move_resize.x + view->pending_move_resize.width -
size.width;
}
if (view->pending_move_resize.update_y) {
y = view->pending_move_resize.y + view->pending_move_resize.height -
size.height;
}
view_update_position(view, x, y);
if (pending_serial == surface->configure_serial) {
roots_surface->pending_move_resize_configure_serial = 0;
}
}
}
static void handle_new_popup(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, new_popup);
struct wlr_xdg_popup *wlr_popup = data;
popup_create(roots_xdg_surface->view, wlr_popup);
}
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static void handle_map(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, map);
struct roots_view *view = roots_xdg_surface->view;
struct wlr_box box;
get_size(view, &box);
view->width = box.width;
view->height = box.height;
view_map(view, view->xdg_surface->surface);
view_setup(view);
}
static void handle_unmap(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, unmap);
view_unmap(roots_xdg_surface->view);
}
static void handle_destroy(struct wl_listener *listener, void *data) {
struct roots_xdg_surface *roots_xdg_surface =
wl_container_of(listener, roots_xdg_surface, destroy);
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view_destroy(roots_xdg_surface->view);
}
void handle_xdg_shell_surface(struct wl_listener *listener, void *data) {
struct wlr_xdg_surface *surface = data;
assert(surface->role != WLR_XDG_SURFACE_ROLE_NONE);
if (surface->role == WLR_XDG_SURFACE_ROLE_POPUP) {
wlr_log(L_DEBUG, "new xdg popup");
return;
}
struct roots_desktop *desktop =
wl_container_of(listener, desktop, xdg_shell_surface);
wlr_log(L_DEBUG, "new xdg toplevel: title=%s, app_id=%s",
surface->toplevel->title, surface->toplevel->app_id);
wlr_xdg_surface_ping(surface);
struct roots_xdg_surface *roots_surface =
calloc(1, sizeof(struct roots_xdg_surface));
if (!roots_surface) {
return;
}
roots_surface->surface_commit.notify = handle_surface_commit;
wl_signal_add(&surface->surface->events.commit,
&roots_surface->surface_commit);
roots_surface->destroy.notify = handle_destroy;
wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
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roots_surface->map.notify = handle_map;
wl_signal_add(&surface->events.map, &roots_surface->map);
roots_surface->unmap.notify = handle_unmap;
wl_signal_add(&surface->events.unmap, &roots_surface->unmap);
roots_surface->request_move.notify = handle_request_move;
wl_signal_add(&surface->toplevel->events.request_move,
&roots_surface->request_move);
roots_surface->request_resize.notify = handle_request_resize;
wl_signal_add(&surface->toplevel->events.request_resize,
&roots_surface->request_resize);
roots_surface->request_maximize.notify = handle_request_maximize;
wl_signal_add(&surface->toplevel->events.request_maximize,
&roots_surface->request_maximize);
roots_surface->request_fullscreen.notify = handle_request_fullscreen;
wl_signal_add(&surface->toplevel->events.request_fullscreen,
&roots_surface->request_fullscreen);
roots_surface->new_popup.notify = handle_new_popup;
wl_signal_add(&surface->events.new_popup, &roots_surface->new_popup);
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struct roots_view *view = view_create(desktop);
if (!view) {
free(roots_surface);
return;
}
view->type = ROOTS_XDG_SHELL_VIEW;
view->xdg_surface = surface;
view->roots_xdg_surface = roots_surface;
view->activate = activate;
view->resize = resize;
view->move_resize = move_resize;
view->maximize = maximize;
view->set_fullscreen = set_fullscreen;
view->close = close;
view->destroy = destroy;
roots_surface->view = view;
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if (surface->toplevel->next.maximized) {
view_maximize(view, true);
}
if (surface->toplevel->next.fullscreen) {
view_set_fullscreen(view, true, NULL);
}
}