basic wl-shell

5 files changed, 107 insertions, 0 deletions

diff --git a/include/sway/server.h b/include/sway/server.h
index 1901e39f..bfdb7b8a 100644
--- a/include/sway/server.h
+++ b/include/sway/server.h
@@ -30,6 +30,9 @@ struct sway_server {
 
         struct wlr_xdg_shell_v6 *xdg_shell_v6;
         struct wl_listener xdg_shell_v6_surface;
+
+        struct wlr_wl_shell *wl_shell;
+        struct wl_listener wl_shell_surface;
 };
 
 struct sway_server server;
diff --git a/include/sway/view.h b/include/sway/view.h
index 77d451e5..22f5ccf9 100644
--- a/include/sway/view.h
+++ b/include/sway/view.h
@@ -19,6 +19,18 @@ struct sway_xdg_surface_v6 {
         int pending_width, pending_height;
 };
 
+struct sway_wl_shell_surface {
+        struct sway_view *view;
+
+        struct wl_listener commit;
+        struct wl_listener request_move;
+        struct wl_listener request_resize;
+        struct wl_listener request_maximize;
+        struct wl_listener destroy;
+
+        int pending_width, pending_height;
+};
+
 enum sway_view_type {
         SWAY_WL_SHELL_VIEW,
         SWAY_XDG_SHELL_V6_VIEW,
diff --git a/sway/desktop/wl_shell.c b/sway/desktop/wl_shell.c
index 8bfa605e..3a349425 100644
--- a/sway/desktop/wl_shell.c
+++ b/sway/desktop/wl_shell.c
@@ -28,3 +28,88 @@ static const char *get_prop(struct sway_view *view, enum sway_view_prop prop) {
         }
 }
 
+static void set_dimensions(struct sway_view *view, int width, int height) {
+        if (!assert_wl_shell(view)) {
+                return;
+        }
+        view->sway_wl_shell_surface->pending_width = width;
+        view->sway_wl_shell_surface->pending_height = height;
+        wlr_wl_shell_surface_configure(view->wlr_wl_shell_surface, 0, width, height);
+}
+
+static void handle_commit(struct wl_listener *listener, void *data) {
+        struct sway_wl_shell_surface *sway_surface =
+                wl_container_of(listener, sway_surface, commit);
+        struct sway_view *view = sway_surface->view;
+        sway_log(L_DEBUG, "wl_shell surface commit %dx%d",
+                        sway_surface->pending_width, sway_surface->pending_height);
+        // NOTE: We intentionally discard the view's desired width here
+        // TODO: Let floating views do whatever
+        view->width = sway_surface->pending_width;
+        view->height = sway_surface->pending_height;
+}
+
+static void handle_destroy(struct wl_listener *listener, void *data) {
+        struct sway_wl_shell_surface *sway_surface =
+                wl_container_of(listener, sway_surface, destroy);
+        wl_list_remove(&sway_surface->commit.link);
+        wl_list_remove(&sway_surface->destroy.link);
+        swayc_t *parent = destroy_view(sway_surface->view->swayc);
+        free(sway_surface->view);
+        free(sway_surface);
+        arrange_windows(parent, -1, -1);
+}
+
+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_TOPLEVEL) {
+                // TODO: transient and popups should be floating
+                return;
+        }
+
+        sway_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_surface *sway_surface =
+                calloc(1, sizeof(struct sway_wl_shell_surface));
+        if (!sway_assert(sway_surface, "Failed to allocate surface!")) {
+                return;
+        }
+
+        struct sway_view *sway_view = calloc(1, sizeof(struct sway_view));
+        if (!sway_assert(sway_view, "Failed to allocate view!")) {
+                return;
+        }
+        sway_view->type = SWAY_WL_SHELL_VIEW;
+        sway_view->iface.get_prop = get_prop;
+        sway_view->iface.set_dimensions = set_dimensions;
+        sway_view->wlr_wl_shell_surface = shell_surface;
+        sway_view->sway_wl_shell_surface = sway_surface;
+        sway_view->surface = shell_surface->surface;
+        sway_surface->view = sway_view;
+
+        // TODO:
+        // - Wire up listeners
+        // - Handle popups
+        // - Look up pid and open on appropriate workspace
+        // - Set new view to maximized so it behaves nicely
+        // - Criteria
+
+        sway_surface->commit.notify = handle_commit;
+        wl_signal_add(&shell_surface->events.commit, &sway_surface->commit);
+        sway_surface->destroy.notify = handle_destroy;
+        wl_signal_add(&shell_surface->events.destroy, &sway_surface->destroy);
+
+        // TODO: actual focus semantics
+        swayc_t *parent = root_container.children->items[0];
+        parent = parent->children->items[0]; // workspace
+
+        swayc_t *cont = new_view(parent, sway_view);
+        sway_view->swayc = cont;
+
+        arrange_windows(cont->parent, -1, -1);
+}
diff --git a/sway/meson.build b/sway/meson.build
index cf2aa913..dd3570bf 100644
--- a/sway/meson.build
+++ b/sway/meson.build
@@ -6,6 +6,7 @@ sway_sources = files(
         'ipc-json.c',
         'ipc-server.c',
         'desktop/output.c',
+        'desktop/wl_shell.c',
         'desktop/xdg_shell_v6.c',
         'tree/container.c',
         'tree/layout.c',
diff --git a/sway/server.c b/sway/server.c
index 6e66bc3c..bf5c37eb 100644
--- a/sway/server.c
+++ b/sway/server.c
@@ -7,6 +7,7 @@
 #include <wlr/render.h>
 #include <wlr/render/gles2.h>
 #include <wlr/types/wlr_compositor.h>
+#include <wlr/types/wlr_wl_shell.h>
 // TODO WLR: make Xwayland optional
 #include <wlr/xwayland.h>
 #include "sway/server.h"
@@ -40,6 +41,11 @@ bool server_init(struct sway_server *server) {
                 &server->xdg_shell_v6_surface);
         server->xdg_shell_v6_surface.notify = handle_xdg_shell_v6_surface;
 
+        server->wl_shell = wlr_wl_shell_create(server->wl_display);
+        wl_signal_add(&server->wl_shell->events.new_surface,
+                &server->wl_shell_surface);
+        server->wl_shell_surface.notify = handle_wl_shell_surface;
+
         server->socket = wl_display_add_socket_auto(server->wl_display);
         if (!sway_assert(server->socket,  "Unable to open wayland socket")) {
                 wlr_backend_destroy(server->backend);