xwayland: don't set DISPLAY
Let the compositor set it. This allows for multiple Xwayland instances to run at the same time. Fixes https://github.com/swaywm/wlroots/issues/1442
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@ -24,7 +24,6 @@ struct wlr_xwayland {
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pid_t pid;
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struct wl_client *client;
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struct wl_event_source *sigusr1_source;
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struct wl_listener client_destroy;
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struct wlr_xwm *xwm;
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struct wlr_xwayland_cursor *cursor;
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int wm_fd[2], wl_fd[2];
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@ -34,10 +33,9 @@ struct wlr_xwayland {
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/* Anything above display is reset on Xwayland restart, rest is conserved */
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int display;
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char display_name[16];
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int x_fd[2];
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struct wl_event_source *x_fd_read_event[2];
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struct wl_listener display_destroy;
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bool lazy;
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struct wl_display *wl_display;
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@ -49,8 +47,6 @@ struct wlr_xwayland {
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struct wl_signal new_surface;
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} events;
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struct wl_listener seat_destroy;
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/**
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* Add a custom event handler to xwayland. Return 1 if the event was
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* handled or 0 to use the default wlr-xwayland handler. wlr-xwayland will
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@ -58,6 +54,10 @@ struct wlr_xwayland {
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*/
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int (*user_event_handler)(struct wlr_xwm *xwm, xcb_generic_event_t *event);
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struct wl_listener client_destroy;
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struct wl_listener display_destroy;
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struct wl_listener seat_destroy;
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void *data;
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};
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@ -382,6 +382,8 @@ struct roots_desktop *desktop_create(struct roots_server *server,
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&desktop->xwayland_surface);
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desktop->xwayland_surface.notify = handle_xwayland_surface;
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setenv("DISPLAY", desktop->xwayland->display_name, true);
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if (wlr_xcursor_manager_load(desktop->xcursor_manager, 1)) {
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wlr_log(WLR_ERROR, "Cannot load XWayland XCursor theme");
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}
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@ -165,12 +165,9 @@ static void xwayland_finish_display(struct wlr_xwayland *wlr_xwayland) {
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unlink_display_sockets(wlr_xwayland->display);
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wlr_xwayland->display = -1;
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unsetenv("DISPLAY");
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wlr_xwayland->display_name[0] = '\0';
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}
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static bool xwayland_start_display(struct wlr_xwayland *wlr_xwayland,
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struct wl_display *wl_display);
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static bool xwayland_start_server(struct wlr_xwayland *wlr_xwayland);
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static bool xwayland_start_server_lazy(struct wlr_xwayland *wlr_xwayland);
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@ -284,10 +281,8 @@ static bool xwayland_start_display(struct wlr_xwayland *wlr_xwayland,
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return false;
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}
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char display_name[16];
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snprintf(display_name, sizeof(display_name), ":%d", wlr_xwayland->display);
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setenv("DISPLAY", display_name, true);
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snprintf(wlr_xwayland->display_name, sizeof(wlr_xwayland->display_name),
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":%d", wlr_xwayland->display);
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return true;
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}
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