wlroots/rootston/xwayland.c

349 lines
12 KiB
C

#include <assert.h>
#include <stdlib.h>
#include <stdbool.h>
#include <wayland-server.h>
#include <wlr/config.h>
#include <wlr/types/wlr_box.h>
#include <wlr/types/wlr_surface.h>
#include <wlr/xwayland.h>
#include <wlr/util/log.h>
#include "rootston/server.h"
#include "rootston/server.h"
static void activate(struct roots_view *view, bool active) {
assert(view->type == ROOTS_XWAYLAND_VIEW);
wlr_xwayland_surface_activate(view->xwayland_surface, active);
}
static void move(struct roots_view *view, double x, double y) {
assert(view->type == ROOTS_XWAYLAND_VIEW);
struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
view_update_position(view, x, y);
wlr_xwayland_surface_configure(xwayland_surface, x, y,
xwayland_surface->width, xwayland_surface->height);
}
static void apply_size_constraints(
struct wlr_xwayland_surface *xwayland_surface, uint32_t width,
uint32_t height, uint32_t *dest_width, uint32_t *dest_height) {
*dest_width = width;
*dest_height = height;
struct wlr_xwayland_surface_size_hints *size_hints =
xwayland_surface->size_hints;
if (size_hints != NULL) {
if (width < (uint32_t)size_hints->min_width) {
*dest_width = size_hints->min_width;
} else if (size_hints->max_width > 0 &&
width > (uint32_t)size_hints->max_width) {
*dest_width = size_hints->max_width;
}
if (height < (uint32_t)size_hints->min_height) {
*dest_height = size_hints->min_height;
} else if (size_hints->max_height > 0 &&
height > (uint32_t)size_hints->max_height) {
*dest_height = size_hints->max_height;
}
}
}
static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
assert(view->type == ROOTS_XWAYLAND_VIEW);
struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
uint32_t constrained_width, constrained_height;
apply_size_constraints(xwayland_surface, width, height, &constrained_width,
&constrained_height);
wlr_xwayland_surface_configure(xwayland_surface, xwayland_surface->x,
xwayland_surface->y, 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_XWAYLAND_VIEW);
struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
bool update_x = x != view->x;
bool update_y = y != view->y;
uint32_t constrained_width, constrained_height;
apply_size_constraints(xwayland_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;
wlr_xwayland_surface_configure(xwayland_surface, x, y, constrained_width,
constrained_height);
}
static void close(struct roots_view *view) {
assert(view->type == ROOTS_XWAYLAND_VIEW);
wlr_xwayland_surface_close(view->xwayland_surface);
}
static void maximize(struct roots_view *view, bool maximized) {
assert(view->type == ROOTS_XWAYLAND_VIEW);
wlr_xwayland_surface_set_maximized(view->xwayland_surface, maximized);
}
static void set_fullscreen(struct roots_view *view, bool fullscreen) {
assert(view->type == ROOTS_XWAYLAND_VIEW);
wlr_xwayland_surface_set_fullscreen(view->xwayland_surface, fullscreen);
}
static void handle_destroy(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, destroy);
struct wlr_xwayland_surface *xwayland_surface =
roots_surface->view->xwayland_surface;
wl_list_remove(&roots_surface->destroy.link);
wl_list_remove(&roots_surface->request_configure.link);
wl_list_remove(&roots_surface->request_move.link);
wl_list_remove(&roots_surface->request_resize.link);
wl_list_remove(&roots_surface->request_maximize.link);
wl_list_remove(&roots_surface->map_notify.link);
wl_list_remove(&roots_surface->unmap_notify.link);
if (xwayland_surface->mapped) {
wl_list_remove(&roots_surface->view->link);
}
view_finish(roots_surface->view);
free(roots_surface->view);
free(roots_surface);
}
static void handle_request_configure(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, request_configure);
struct wlr_xwayland_surface *xwayland_surface =
roots_surface->view->xwayland_surface;
struct wlr_xwayland_surface_configure_event *event = data;
view_update_position(roots_surface->view, event->x, event->y);
wlr_xwayland_surface_configure(xwayland_surface, event->x, event->y,
event->width, event->height);
}
static struct roots_seat *guess_seat_for_view(struct roots_view *view) {
// the best we can do is to pick the first seat that has the surface focused
// for the pointer
struct roots_input *input = view->desktop->server->input;
struct roots_seat *seat;
wl_list_for_each(seat, &input->seats, link) {
if (seat->seat->pointer_state.focused_surface == view->wlr_surface) {
return seat;
}
}
return NULL;
}
static void handle_request_move(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, request_move);
struct roots_view *view = roots_surface->view;
struct roots_seat *seat = guess_seat_for_view(view);
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_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, request_resize);
struct roots_view *view = roots_surface->view;
struct roots_seat *seat = guess_seat_for_view(view);
struct wlr_xwayland_resize_event *e = data;
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_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, request_maximize);
struct roots_view *view = roots_surface->view;
struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
bool maximized = xwayland_surface->maximized_vert &&
xwayland_surface->maximized_horz;
view_maximize(view, maximized);
}
static void handle_request_fullscreen(struct wl_listener *listener,
void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, request_fullscreen);
struct roots_view *view = roots_surface->view;
struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
view_set_fullscreen(view, xwayland_surface->fullscreen, NULL);
}
static void handle_surface_commit(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, surface_commit);
struct roots_view *view = roots_surface->view;
struct wlr_surface *wlr_surface = view->wlr_surface;
view_apply_damage(view);
int width = wlr_surface->current->width;
int height = wlr_surface->current->height;
view_update_size(view, width, height);
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 -
width;
view->pending_move_resize.update_x = false;
}
if (view->pending_move_resize.update_y) {
y = view->pending_move_resize.y + view->pending_move_resize.height -
height;
view->pending_move_resize.update_y = false;
}
view_update_position(view, x, y);
}
static void handle_map_notify(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, map_notify);
struct wlr_xwayland_surface *xsurface = data;
struct roots_view *view = roots_surface->view;
struct roots_desktop *desktop = view->desktop;
view->wlr_surface = xsurface->surface;
view->x = xsurface->x;
view->y = xsurface->y;
view->width = xsurface->surface->current->width;
view->height = xsurface->surface->current->height;
wl_list_insert(&desktop->views, &view->link);
struct wlr_subsurface *subsurface;
wl_list_for_each(subsurface, &view->wlr_surface->subsurface_list,
parent_link) {
subsurface_create(view, subsurface);
}
view_damage_whole(view);
roots_surface->surface_commit.notify = handle_surface_commit;
wl_signal_add(&xsurface->surface->events.commit,
&roots_surface->surface_commit);
}
static void handle_unmap_notify(struct wl_listener *listener, void *data) {
struct roots_xwayland_surface *roots_surface =
wl_container_of(listener, roots_surface, unmap_notify);
struct roots_view *view = roots_surface->view;
wl_list_remove(&roots_surface->surface_commit.link);
view_damage_whole(view);
struct roots_view_child *child, *tmp;
wl_list_for_each_safe(child, tmp, &view->children, link) {
child->destroy(child);
}
view->wlr_surface = NULL;
view->width = view->height = 0;
wl_list_remove(&view->link);
}
void handle_xwayland_surface(struct wl_listener *listener, void *data) {
struct roots_desktop *desktop =
wl_container_of(listener, desktop, xwayland_surface);
struct wlr_xwayland_surface *surface = data;
wlr_log(L_DEBUG, "new xwayland surface: title=%s, class=%s, instance=%s",
surface->title, surface->class, surface->instance);
struct roots_xwayland_surface *roots_surface =
calloc(1, sizeof(struct roots_xwayland_surface));
if (roots_surface == NULL) {
return;
}
roots_surface->destroy.notify = handle_destroy;
wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
roots_surface->request_configure.notify = handle_request_configure;
wl_signal_add(&surface->events.request_configure,
&roots_surface->request_configure);
roots_surface->map_notify.notify = handle_map_notify;
wl_signal_add(&surface->events.map_notify, &roots_surface->map_notify);
roots_surface->unmap_notify.notify = handle_unmap_notify;
wl_signal_add(&surface->events.unmap_notify, &roots_surface->unmap_notify);
roots_surface->request_move.notify = handle_request_move;
wl_signal_add(&surface->events.request_move, &roots_surface->request_move);
roots_surface->request_resize.notify = handle_request_resize;
wl_signal_add(&surface->events.request_resize,
&roots_surface->request_resize);
roots_surface->request_maximize.notify = handle_request_maximize;
wl_signal_add(&surface->events.request_maximize,
&roots_surface->request_maximize);
roots_surface->request_fullscreen.notify = handle_request_fullscreen;
wl_signal_add(&surface->events.request_fullscreen,
&roots_surface->request_fullscreen);
roots_surface->surface_commit.notify = handle_surface_commit;
wl_signal_add(&surface->surface->events.commit,
&roots_surface->surface_commit);
struct roots_view *view = calloc(1, sizeof(struct roots_view));
if (view == NULL) {
free(roots_surface);
return;
}
view->type = ROOTS_XWAYLAND_VIEW;
view->x = (double)surface->x;
view->y = (double)surface->y;
view->width = surface->surface->current->width;
view->height = surface->surface->current->height;
view->xwayland_surface = surface;
view->roots_xwayland_surface = roots_surface;
view->wlr_surface = surface->surface;
view->activate = activate;
view->resize = resize;
view->move = move;
view->move_resize = move_resize;
view->maximize = maximize;
view->set_fullscreen = set_fullscreen;
view->close = close;
roots_surface->view = view;
view_init(view, desktop);
wl_list_insert(&desktop->views, &view->link);
if (!surface->override_redirect) {
if (surface->decorations == WLR_XWAYLAND_SURFACE_DECORATIONS_ALL) {
view->decorated = true;
view->border_width = 4;
view->titlebar_height = 12;
}
view_setup(view);
}
}