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232 lines
7.9 KiB
232 lines
7.9 KiB
#include <assert.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <wayland-server.h>
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#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/xwayland.h>
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#include <wlr/util/log.h>
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#include "rootston/desktop.h"
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#include "rootston/server.h"
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static void activate(struct roots_view *view, bool active) {
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assert(view->type == ROOTS_XWAYLAND_VIEW);
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struct wlr_xwayland *xwayland = view->desktop->xwayland;
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wlr_xwayland_surface_activate(xwayland, view->xwayland_surface, active);
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}
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static void move(struct roots_view *view, double x, double y) {
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assert(view->type == ROOTS_XWAYLAND_VIEW);
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struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
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view->x = x;
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view->y = y;
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wlr_xwayland_surface_configure(view->desktop->xwayland, xwayland_surface,
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x, y, xwayland_surface->width, xwayland_surface->height);
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}
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static void apply_size_constraints(
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struct wlr_xwayland_surface *xwayland_surface, uint32_t width,
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uint32_t height, uint32_t *dest_width, uint32_t *dest_height) {
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*dest_width = width;
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*dest_height = height;
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struct wlr_xwayland_surface_size_hints *size_hints =
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xwayland_surface->size_hints;
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if (size_hints != NULL) {
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if (width < (uint32_t)size_hints->min_width) {
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*dest_width = size_hints->min_width;
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} else if (size_hints->max_width > 0 &&
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width > (uint32_t)size_hints->max_width) {
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*dest_width = size_hints->max_width;
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}
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if (height < (uint32_t)size_hints->min_height) {
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*dest_height = size_hints->min_height;
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} else if (size_hints->max_height > 0 &&
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height > (uint32_t)size_hints->max_height) {
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*dest_height = size_hints->max_height;
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}
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}
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}
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static void resize(struct roots_view *view, uint32_t width, uint32_t height) {
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assert(view->type == ROOTS_XWAYLAND_VIEW);
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struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
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uint32_t contrained_width, contrained_height;
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apply_size_constraints(xwayland_surface, width, height, &contrained_width,
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&contrained_height);
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wlr_xwayland_surface_configure(view->desktop->xwayland, xwayland_surface,
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xwayland_surface->x, xwayland_surface->y, contrained_width,
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contrained_height);
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}
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static void move_resize(struct roots_view *view, double x, double y,
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uint32_t width, uint32_t height) {
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assert(view->type == ROOTS_XWAYLAND_VIEW);
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struct wlr_xwayland_surface *xwayland_surface = view->xwayland_surface;
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uint32_t contrained_width, contrained_height;
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apply_size_constraints(xwayland_surface, width, height, &contrained_width,
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&contrained_height);
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x = x + width - contrained_width;
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y = y + height - contrained_height;
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view->x = x;
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view->y = y;
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wlr_xwayland_surface_configure(view->desktop->xwayland, xwayland_surface,
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x, y, contrained_width, contrained_height);
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}
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static void close(struct roots_view *view) {
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assert(view->type == ROOTS_XWAYLAND_VIEW);
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wlr_xwayland_surface_close(view->desktop->xwayland, view->xwayland_surface);
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}
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static void handle_destroy(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, destroy);
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view_teardown(roots_surface->view);
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wl_list_remove(&roots_surface->destroy.link);
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wl_list_remove(&roots_surface->map_notify.link);
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wl_list_remove(&roots_surface->unmap_notify.link);
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view_destroy(roots_surface->view);
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free(roots_surface);
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}
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static void handle_request_configure(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, request_configure);
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struct wlr_xwayland_surface *xwayland_surface =
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roots_surface->view->xwayland_surface;
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struct wlr_xwayland_surface_configure_event *event = data;
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roots_surface->view->x = (double)event->x;
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roots_surface->view->y = (double)event->y;
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wlr_xwayland_surface_configure(roots_surface->view->desktop->xwayland,
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xwayland_surface, event->x, event->y, event->width, event->height);
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}
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// XXX Needs deep refactoring to get this better. We need to select the correct
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// seat based on seat pointer focus, but interactive moving and resizing is not
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// yet seat aware. Even then, we can only guess because X11 events don't give us
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// enough wayland info to know for sure.
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static struct roots_seat *guess_seat_for_view(struct roots_view *view) {
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// TODO
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return NULL;
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}
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static void handle_request_move(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, request_move);
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struct roots_view *view = roots_surface->view;
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struct roots_seat *seat = guess_seat_for_view(view);
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if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
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return;
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}
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roots_seat_begin_move(seat, view);
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}
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static void handle_request_resize(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, request_resize);
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struct roots_view *view = roots_surface->view;
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struct roots_seat *seat = guess_seat_for_view(view);
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struct wlr_xwayland_resize_event *e = data;
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if (!seat || seat->cursor->mode != ROOTS_CURSOR_PASSTHROUGH) {
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return;
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}
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roots_seat_begin_resize(seat, view, e->edges);
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}
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static void handle_map_notify(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, map_notify);
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struct roots_view *view = roots_surface->view;
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struct wlr_xwayland_surface *xsurface = view->xwayland_surface;
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struct roots_desktop *desktop = view->desktop;
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view->wlr_surface = xsurface->surface;
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view->x = (double)xsurface->x;
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view->y = (double)xsurface->y;
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wlr_list_push(desktop->views, roots_surface->view);
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}
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static void handle_unmap_notify(struct wl_listener *listener, void *data) {
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struct roots_xwayland_surface *roots_surface =
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wl_container_of(listener, roots_surface, unmap_notify);
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struct roots_desktop *desktop = roots_surface->view->desktop;
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roots_surface->view->wlr_surface = NULL;
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for (size_t i = 0; i < desktop->views->length; i++) {
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if (desktop->views->items[i] == roots_surface->view) {
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wlr_list_del(desktop->views, i);
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break;
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}
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}
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}
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void handle_xwayland_surface(struct wl_listener *listener, void *data) {
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struct roots_desktop *desktop =
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wl_container_of(listener, desktop, xwayland_surface);
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struct wlr_xwayland_surface *surface = data;
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wlr_log(L_DEBUG, "new xwayland surface: title=%s, class=%s, instance=%s",
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surface->title, surface->class, surface->instance);
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struct roots_xwayland_surface *roots_surface =
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calloc(1, sizeof(struct roots_xwayland_surface));
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if (roots_surface == NULL) {
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return;
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}
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roots_surface->destroy.notify = handle_destroy;
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wl_signal_add(&surface->events.destroy, &roots_surface->destroy);
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roots_surface->request_configure.notify = handle_request_configure;
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wl_signal_add(&surface->events.request_configure,
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&roots_surface->request_configure);
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roots_surface->map_notify.notify = handle_map_notify;
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wl_signal_add(&surface->events.map_notify, &roots_surface->map_notify);
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roots_surface->unmap_notify.notify = handle_unmap_notify;
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wl_signal_add(&surface->events.unmap_notify, &roots_surface->unmap_notify);
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roots_surface->request_move.notify = handle_request_move;
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wl_signal_add(&surface->events.request_move, &roots_surface->request_move);
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roots_surface->request_resize.notify = handle_request_resize;
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wl_signal_add(&surface->events.request_resize, &roots_surface->request_resize);
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struct roots_view *view = calloc(1, sizeof(struct roots_view));
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if (view == NULL) {
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free(roots_surface);
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return;
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}
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view->type = ROOTS_XWAYLAND_VIEW;
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view->x = (double)surface->x;
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view->y = (double)surface->y;
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view->xwayland_surface = surface;
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view->roots_xwayland_surface = roots_surface;
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view->wlr_surface = surface->surface;
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view->desktop = desktop;
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view->activate = activate;
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view->resize = resize;
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view->move = move;
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view->move_resize = move_resize;
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view->close = close;
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roots_surface->view = view;
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wlr_list_add(desktop->views, view);
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if (!surface->override_redirect) {
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view_setup(view);
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}
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}
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