1 files changed, 131 insertions, 0 deletions

diff --git a/sway/desktop/wl_shell.c b/sway/desktop/wl_shell.c
new file mode 100644
index 00000000..b63c220c
--- /dev/null
+++ b/sway/desktop/wl_shell.c
@@ -0,0 +1,131 @@
+#define _POSIX_C_SOURCE 199309L
+#include <stdbool.h>
+#include <stdlib.h>
+#include <wayland-server.h>
+#include <wlr/types/wlr_wl_shell.h>
+#include "sway/tree/container.h"
+#include "sway/tree/layout.h"
+#include "sway/server.h"
+#include "sway/tree/view.h"
+#include "sway/input/seat.h"
+#include "sway/input/input-manager.h"
+#include "log.h"
+
+static struct sway_wl_shell_view *wl_shell_view_from_view(
+                struct sway_view *view) {
+        if (!sway_assert(view->type == SWAY_VIEW_WL_SHELL,
+                        "Expected wl_shell view")) {
+                return NULL;
+        }
+        return (struct sway_wl_shell_view *)view;
+}
+
+static const char *get_prop(struct sway_view *view, enum sway_view_prop prop) {
+        if (wl_shell_view_from_view(view) == NULL) {
+                return NULL;
+        }
+        switch (prop) {
+        case VIEW_PROP_TITLE:
+                return view->wlr_wl_shell_surface->title;
+        case VIEW_PROP_CLASS:
+                return view->wlr_wl_shell_surface->class;
+        default:
+                return NULL;
+        }
+}
+
+static void configure(struct sway_view *view, double ox, double oy, int width,
+                int height) {
+        struct sway_wl_shell_view *wl_shell_view = wl_shell_view_from_view(view);
+        if (wl_shell_view == NULL) {
+                return;
+        }
+        view_update_position(view, ox, oy);
+        wl_shell_view->pending_width = width;
+        wl_shell_view->pending_height = height;
+        wlr_wl_shell_surface_configure(view->wlr_wl_shell_surface, 0, width, height);
+}
+
+static void _close(struct sway_view *view) {
+        if (wl_shell_view_from_view(view) == NULL) {
+                return;
+        }
+
+        wl_client_destroy(view->wlr_wl_shell_surface->client);
+}
+
+static void destroy(struct sway_view *view) {
+        struct sway_wl_shell_view *wl_shell_view = wl_shell_view_from_view(view);
+        if (wl_shell_view == NULL) {
+                return;
+        }
+        wl_list_remove(&wl_shell_view->commit.link);
+        wl_list_remove(&wl_shell_view->destroy.link);
+        free(wl_shell_view);
+}
+
+static const struct sway_view_impl view_impl = {
+        .get_prop = get_prop,
+        .configure = configure,
+        .close = _close,
+        .destroy = destroy,
+};
+
+static void handle_commit(struct wl_listener *listener, void *data) {
+        struct sway_wl_shell_view *wl_shell_view =
+                wl_container_of(listener, wl_shell_view, commit);
+        struct sway_view *view = &wl_shell_view->view;
+        // NOTE: We intentionally discard the view's desired width here
+        // TODO: Let floating views do whatever
+        view_update_size(view, wl_shell_view->pending_width,
+                wl_shell_view->pending_height);
+        view_damage(view, false);
+}
+
+static void handle_destroy(struct wl_listener *listener, void *data) {
+        struct sway_wl_shell_view *wl_shell_view =
+                wl_container_of(listener, wl_shell_view, destroy);
+        view_destroy(&wl_shell_view->view);
+}
+
+void handle_wl_shell_surface(struct wl_listener *listener, void *data) {
+        struct sway_server *server = wl_container_of(listener, server,
+                wl_shell_surface);
+        struct wlr_wl_shell_surface *shell_surface = data;
+
+        if (shell_surface->state == WLR_WL_SHELL_SURFACE_STATE_POPUP) {
+                // popups don't get views
+                wlr_log(L_DEBUG, "New wl_shell popup");
+                return;
+        }
+
+        // TODO: make transient windows floating
+
+        wlr_log(L_DEBUG, "New wl_shell toplevel title='%s' app_id='%s'",
+                        shell_surface->title, shell_surface->class);
+        wlr_wl_shell_surface_ping(shell_surface);
+
+        struct sway_wl_shell_view *wl_shell_view =
+                calloc(1, sizeof(struct sway_wl_shell_view));
+        if (!sway_assert(wl_shell_view, "Failed to allocate view")) {
+                return;
+        }
+
+        view_init(&wl_shell_view->view, SWAY_VIEW_WL_SHELL, &view_impl);
+        wl_shell_view->view.wlr_wl_shell_surface = shell_surface;
+
+        // TODO:
+        // - Wire up listeners
+        // - Look up pid and open on appropriate workspace
+        // - Set new view to maximized so it behaves nicely
+        // - Criteria
+
+        wl_shell_view->commit.notify = handle_commit;
+        wl_signal_add(&shell_surface->surface->events.commit,
+                &wl_shell_view->commit);
+
+        wl_shell_view->destroy.notify = handle_destroy;
+        wl_signal_add(&shell_surface->events.destroy, &wl_shell_view->destroy);
+
+        view_map(&wl_shell_view->view, shell_surface->surface);
+}