diff options
Diffstat (limited to 'sway/desktop/xwayland.c')
| -rw-r--r-- | sway/desktop/xwayland.c | 310 |
1 files changed, 310 insertions, 0 deletions
diff --git a/sway/desktop/xwayland.c b/sway/desktop/xwayland.c new file mode 100644 index 00000000..413dbf8b --- /dev/null +++ b/sway/desktop/xwayland.c @@ -0,0 +1,310 @@ +#define _POSIX_C_SOURCE 199309L +#include <stdbool.h> +#include <stdlib.h> +#include <wayland-server.h> +#include <wlr/types/wlr_output_layout.h> +#include <wlr/types/wlr_output.h> +#include <wlr/xwayland.h> +#include "log.h" +#include "sway/desktop.h" +#include "sway/input/input-manager.h" +#include "sway/input/seat.h" +#include "sway/output.h" +#include "sway/server.h" +#include "sway/tree/container.h" +#include "sway/tree/layout.h" +#include "sway/tree/view.h" + +static void unmanaged_handle_request_configure(struct wl_listener *listener, + void *data) { + struct sway_xwayland_unmanaged *surface = + wl_container_of(listener, surface, request_configure); + struct wlr_xwayland_surface *xsurface = surface->wlr_xwayland_surface; + struct wlr_xwayland_surface_configure_event *ev = data; + wlr_xwayland_surface_configure(xsurface, ev->x, ev->y, + ev->width, ev->height); +} + +static void unmanaged_handle_commit(struct wl_listener *listener, void *data) { + struct sway_xwayland_unmanaged *surface = + wl_container_of(listener, surface, commit); + struct wlr_xwayland_surface *xsurface = surface->wlr_xwayland_surface; + + if (xsurface->x != surface->lx || xsurface->y != surface->ly) { + // Surface has moved + desktop_damage_surface(xsurface->surface, surface->lx, surface->ly, + true); + surface->lx = xsurface->x; + surface->ly = xsurface->y; + desktop_damage_surface(xsurface->surface, surface->lx, surface->ly, + true); + } else { + desktop_damage_surface(xsurface->surface, xsurface->x, xsurface->y, + false); + } +} + +static void unmanaged_handle_map(struct wl_listener *listener, void *data) { + struct sway_xwayland_unmanaged *surface = + wl_container_of(listener, surface, map); + struct wlr_xwayland_surface *xsurface = surface->wlr_xwayland_surface; + + wl_list_insert(&root_container.sway_root->xwayland_unmanaged, + &surface->link); + + wl_signal_add(&xsurface->surface->events.commit, &surface->commit); + surface->commit.notify = unmanaged_handle_commit; + + surface->lx = xsurface->x; + surface->ly = xsurface->y; + desktop_damage_surface(xsurface->surface, surface->lx, surface->ly, true); + + if (!wlr_xwayland_surface_is_unmanaged(xsurface)) { + struct sway_seat *seat = input_manager_current_seat(input_manager); + struct wlr_xwayland *xwayland = seat->input->server->xwayland; + wlr_xwayland_set_seat(xwayland, seat->wlr_seat); + seat_set_focus_surface(seat, xsurface->surface); + } + + // TODO: we don't send surface enter/leave events to xwayland unmanaged + // surfaces, but xwayland doesn't support HiDPI anyway +} + +static void unmanaged_handle_unmap(struct wl_listener *listener, void *data) { + struct sway_xwayland_unmanaged *surface = + wl_container_of(listener, surface, unmap); + struct wlr_xwayland_surface *xsurface = surface->wlr_xwayland_surface; + desktop_damage_surface(xsurface->surface, xsurface->x, xsurface->y, true); + wl_list_remove(&surface->link); + wl_list_remove(&surface->commit.link); +} + +static void unmanaged_handle_destroy(struct wl_listener *listener, void *data) { + struct sway_xwayland_unmanaged *surface = + wl_container_of(listener, surface, destroy); + struct wlr_xwayland_surface *xsurface = surface->wlr_xwayland_surface; + if (xsurface->mapped) { + unmanaged_handle_unmap(&surface->unmap, xsurface); + } + wl_list_remove(&surface->map.link); + wl_list_remove(&surface->unmap.link); + wl_list_remove(&surface->destroy.link); + free(surface); +} + +static struct sway_xwayland_unmanaged *create_unmanaged( + struct wlr_xwayland_surface *xsurface) { + struct sway_xwayland_unmanaged *surface = + calloc(1, sizeof(struct sway_xwayland_unmanaged)); + if (surface == NULL) { + wlr_log(L_ERROR, "Allocation failed"); + return NULL; + } + + surface->wlr_xwayland_surface = xsurface; + + wl_signal_add(&xsurface->events.request_configure, + &surface->request_configure); + surface->request_configure.notify = unmanaged_handle_request_configure; + wl_signal_add(&xsurface->events.map, &surface->map); + surface->map.notify = unmanaged_handle_map; + wl_signal_add(&xsurface->events.unmap, &surface->unmap); + surface->unmap.notify = unmanaged_handle_unmap; + wl_signal_add(&xsurface->events.destroy, &surface->destroy); + surface->destroy.notify = unmanaged_handle_destroy; + + unmanaged_handle_map(&surface->map, xsurface); + + return surface; +} + + +static struct sway_xwayland_view *xwayland_view_from_view( + struct sway_view *view) { + if (!sway_assert(view->type == SWAY_VIEW_XWAYLAND, + "Expected xwayland view")) { + return NULL; + } + return (struct sway_xwayland_view *)view; +} + +static const char *get_prop(struct sway_view *view, enum sway_view_prop prop) { + if (xwayland_view_from_view(view) == NULL) { + return NULL; + } + switch (prop) { + case VIEW_PROP_TITLE: + return view->wlr_xwayland_surface->title; + case VIEW_PROP_CLASS: + return view->wlr_xwayland_surface->class; + default: + return NULL; + } +} + +static void configure(struct sway_view *view, double ox, double oy, int width, + int height) { + struct sway_xwayland_view *xwayland_view = xwayland_view_from_view(view); + if (xwayland_view == NULL) { + return; + } + struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface; + + struct sway_container *output = container_parent(view->swayc, C_OUTPUT); + if (!sway_assert(output, "view must be within tree to set position")) { + return; + } + struct sway_container *root = container_parent(output, C_ROOT); + if (!sway_assert(root, "output must be within tree to set position")) { + return; + } + struct wlr_output_layout *layout = root->sway_root->output_layout; + struct wlr_output_layout_output *loutput = + wlr_output_layout_get(layout, output->sway_output->wlr_output); + if (!sway_assert(loutput, "output must be within layout to set position")) { + return; + } + + view_update_position(view, ox, oy); + + xwayland_view->pending_width = width; + xwayland_view->pending_height = height; + wlr_xwayland_surface_configure(xsurface, ox + loutput->x, oy + loutput->y, + width, height); +} + +static void set_activated(struct sway_view *view, bool activated) { + if (xwayland_view_from_view(view) == NULL) { + return; + } + struct wlr_xwayland_surface *surface = view->wlr_xwayland_surface; + wlr_xwayland_surface_activate(surface, activated); +} + +static void _close(struct sway_view *view) { + if (xwayland_view_from_view(view) == NULL) { + return; + } + wlr_xwayland_surface_close(view->wlr_xwayland_surface); +} + +static void destroy(struct sway_view *view) { + struct sway_xwayland_view *xwayland_view = xwayland_view_from_view(view); + if (xwayland_view == NULL) { + return; + } + wl_list_remove(&xwayland_view->destroy.link); + wl_list_remove(&xwayland_view->request_configure.link); + wl_list_remove(&xwayland_view->map.link); + wl_list_remove(&xwayland_view->unmap.link); + free(xwayland_view); +} + +static const struct sway_view_impl view_impl = { + .get_prop = get_prop, + .configure = configure, + .set_activated = set_activated, + .close = _close, + .destroy = destroy, +}; + +static void handle_commit(struct wl_listener *listener, void *data) { + struct sway_xwayland_view *xwayland_view = + wl_container_of(listener, xwayland_view, commit); + struct sway_view *view = &xwayland_view->view; + // NOTE: We intentionally discard the view's desired width here + // TODO: Let floating views do whatever + view_update_size(view, xwayland_view->pending_width, + xwayland_view->pending_height); + view_damage(view, false); +} + +static void handle_unmap(struct wl_listener *listener, void *data) { + struct sway_xwayland_view *xwayland_view = + wl_container_of(listener, xwayland_view, unmap); + wl_list_remove(&xwayland_view->commit.link); + view_unmap(&xwayland_view->view); +} + +static void handle_map(struct wl_listener *listener, void *data) { + struct sway_xwayland_view *xwayland_view = + wl_container_of(listener, xwayland_view, map); + struct wlr_xwayland_surface *xsurface = data; + struct sway_view *view = &xwayland_view->view; + + // Wire up the commit listener here, because xwayland map/unmap can change + // the underlying wlr_surface + wl_signal_add(&xsurface->surface->events.commit, &xwayland_view->commit); + xwayland_view->commit.notify = handle_commit; + + // Put it back into the tree + wlr_xwayland_surface_set_maximized(xsurface, true); + view_map(view, xsurface->surface); +} + +static void handle_destroy(struct wl_listener *listener, void *data) { + struct sway_xwayland_view *xwayland_view = + wl_container_of(listener, xwayland_view, destroy); + struct sway_view *view = &xwayland_view->view; + struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface; + if (xsurface->mapped) { + handle_unmap(&xwayland_view->unmap, xsurface); + } + view_destroy(&xwayland_view->view); +} + +static void handle_request_configure(struct wl_listener *listener, void *data) { + struct sway_xwayland_view *xwayland_view = + wl_container_of(listener, xwayland_view, request_configure); + struct wlr_xwayland_surface_configure_event *ev = data; + struct sway_view *view = &xwayland_view->view; + struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface; + // TODO: floating windows are allowed to move around like this, but make + // sure tiling windows always stay in place. + wlr_xwayland_surface_configure(xsurface, ev->x, ev->y, + ev->width, ev->height); +} + +void handle_xwayland_surface(struct wl_listener *listener, void *data) { + struct sway_server *server = wl_container_of(listener, server, + xwayland_surface); + struct wlr_xwayland_surface *xsurface = data; + + if (wlr_xwayland_surface_is_unmanaged(xsurface) || + xsurface->override_redirect) { + wlr_log(L_DEBUG, "New xwayland unmanaged surface"); + create_unmanaged(xsurface); + return; + } + + wlr_log(L_DEBUG, "New xwayland surface title='%s' class='%s'", + xsurface->title, xsurface->class); + + struct sway_xwayland_view *xwayland_view = + calloc(1, sizeof(struct sway_xwayland_view)); + if (!sway_assert(xwayland_view, "Failed to allocate view")) { + return; + } + + view_init(&xwayland_view->view, SWAY_VIEW_XWAYLAND, &view_impl); + xwayland_view->view.wlr_xwayland_surface = xsurface; + + // TODO: + // - Look up pid and open on appropriate workspace + // - Criteria + + wl_signal_add(&xsurface->events.destroy, &xwayland_view->destroy); + xwayland_view->destroy.notify = handle_destroy; + + wl_signal_add(&xsurface->events.request_configure, + &xwayland_view->request_configure); + xwayland_view->request_configure.notify = handle_request_configure; + + wl_signal_add(&xsurface->events.unmap, &xwayland_view->unmap); + xwayland_view->unmap.notify = handle_unmap; + + wl_signal_add(&xsurface->events.map, &xwayland_view->map); + xwayland_view->map.notify = handle_map; + + handle_map(&xwayland_view->map, xsurface); +} |