Listen to server-decoration mode changes

5 files changed, 72 insertions, 6 deletions

diff --git a/include/sway/decoration.h b/include/sway/decoration.h
new file mode 100644
index 00000000..c77c04c7
--- /dev/null
+++ b/include/sway/decoration.h
@@ -0,0 +1,13 @@
+#ifndef _SWAY_DECORATION_H
+#define _SWAY_DECORATION_H
+
+#include <wlr/types/wlr_server_decoration.h>
+
+struct sway_server_decoration {
+        struct wlr_server_decoration *wlr_server_decoration;
+
+        struct wl_listener destroy;
+        struct wl_listener mode;
+};
+
+#endif
diff --git a/include/sway/server.h b/include/sway/server.h
index a3782f91..7e73fb4f 100644
--- a/include/sway/server.h
+++ b/include/sway/server.h
@@ -4,12 +4,13 @@
 #include <wayland-server.h>
 #include <wlr/backend.h>
 #include <wlr/backend/session.h>
+#include <wlr/render/wlr_renderer.h>
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_data_device.h>
 #include <wlr/types/wlr_layer_shell.h>
+#include <wlr/types/wlr_server_decoration.h>
 #include <wlr/types/wlr_xdg_shell_v6.h>
 #include <wlr/types/wlr_xdg_shell.h>
-#include <wlr/render/wlr_renderer.h>
 // TODO WLR: make Xwayland optional
 #include "list.h"
 #include "config.h"
@@ -42,11 +43,16 @@ struct sway_server {
 
         struct wlr_xdg_shell *xdg_shell;
         struct wl_listener xdg_shell_surface;
+
 #ifdef HAVE_XWAYLAND
         struct sway_xwayland xwayland;
         struct wl_listener xwayland_surface;
         struct wl_listener xwayland_ready;
 #endif
+
+        struct wlr_server_decoration_manager *server_decoration_manager;
+        struct wl_listener server_decoration;
+
         bool debug_txn_timings;
 
         list_t *transactions;
@@ -71,4 +77,6 @@ void handle_xdg_shell_surface(struct wl_listener *listener, void *data);
 #ifdef HAVE_XWAYLAND
 void handle_xwayland_surface(struct wl_listener *listener, void *data);
 #endif
+void handle_server_decoration(struct wl_listener *listener, void *data);
+
 #endif
diff --git a/sway/decoration.c b/sway/decoration.c
new file mode 100644
index 00000000..73b3f45d
--- /dev/null
+++ b/sway/decoration.c
@@ -0,0 +1,41 @@
+#include <stdlib.h>
+#include "sway/decoration.h"
+#include "sway/server.h"
+#include "sway/tree/view.h"
+#include "log.h"
+
+static void server_decoration_handle_destroy(struct wl_listener *listener,
+                void *data) {
+        struct sway_server_decoration *deco =
+                wl_container_of(listener, deco, destroy);
+        wl_list_remove(&deco->destroy.link);
+        free(deco);
+}
+
+static void server_decoration_handle_mode(struct wl_listener *listener,
+                void *data) {
+        struct sway_server_decoration *deco =
+                wl_container_of(listener, deco, mode);
+        struct sway_view *view =
+                view_from_wlr_surface(deco->wlr_server_decoration->surface);
+
+        // TODO
+        wlr_log(WLR_ERROR, "%p %d", view, deco->wlr_server_decoration->mode);
+}
+
+void handle_server_decoration(struct wl_listener *listener, void *data) {
+        struct wlr_server_decoration *wlr_deco = data;
+
+        struct sway_server_decoration *deco = calloc(1, sizeof(*deco));
+        if (deco == NULL) {
+                return;
+        }
+
+        deco->wlr_server_decoration = wlr_deco;
+
+        wl_signal_add(&wlr_deco->events.destroy, &deco->destroy);
+        deco->destroy.notify = server_decoration_handle_destroy;
+
+        wl_signal_add(&wlr_deco->events.mode, &deco->mode);
+        deco->mode.notify = server_decoration_handle_mode;
+}
diff --git a/sway/meson.build b/sway/meson.build
index c18fb6e2..2a457270 100644
--- a/sway/meson.build
+++ b/sway/meson.build
@@ -1,13 +1,14 @@
 sway_sources = files(
-        'main.c',
-        'server.c',
         'commands.c',
         'config.c',
         'criteria.c',
         'debug-tree.c',
+        'decoration.c',
         'ipc-json.c',
         'ipc-server.c',
+        'main.c',
         'security.c',
+        'server.c',
         'swaynag.c',
 
         'desktop/desktop.c',
diff --git a/sway/server.c b/sway/server.c
index e8755360..bf6255bc 100644
--- a/sway/server.c
+++ b/sway/server.c
@@ -109,11 +109,14 @@ bool server_init(struct sway_server *server) {
         }
 #endif
 
-        // TODO: Integration with sway borders
-        struct wlr_server_decoration_manager *deco_manager =
+        server->server_decoration_manager =
                 wlr_server_decoration_manager_create(server->wl_display);
         wlr_server_decoration_manager_set_default_mode(
-                deco_manager, WLR_SERVER_DECORATION_MANAGER_MODE_SERVER);
+                server->server_decoration_manager,
+                WLR_SERVER_DECORATION_MANAGER_MODE_SERVER);
+        wl_signal_add(&server->server_decoration_manager->events.new_decoration,
+                &server->server_decoration);
+        server->server_decoration.notify = handle_server_decoration;
 
         wlr_linux_dmabuf_v1_create(server->wl_display, renderer);
         wlr_export_dmabuf_manager_v1_create(server->wl_display);