Base implement

include/sway/output.h

@@ -5,6 +5,7 @@
 #include <wayland-server-core.h>
 #include <wlr/types/wlr_box.h>
 #include <wlr/types/wlr_output.h>
+#include <wlr/types/wlr_workspace_v1.h>
 #include "config.h"
 #include "sway/tree/node.h"
 #include "sway/tree/view.h"
@@ -57,6 +58,8 @@ struct sway_output {
 	uint32_t refresh_nsec;
 	int max_render_time; // In milliseconds
 	struct wl_event_source *repaint_timer;
+
+	struct wlr_workspace_group_handle_v1 *workspace_group;
 };
 
 struct sway_output *output_create(struct wlr_output *wlr_output);

include/sway/server.h

@@ -9,6 +9,7 @@
 #include <wlr/types/wlr_data_device.h>
 #include <wlr/types/wlr_input_method_v2.h>
 #include <wlr/types/wlr_foreign_toplevel_management_v1.h>
+#include <wlr/types/wlr_workspace_v1.h>
 #include <wlr/types/wlr_layer_shell_v1.h>
 #include <wlr/types/wlr_output_management_v1.h>
 #include <wlr/types/wlr_output_power_management_v1.h>
@@ -84,6 +85,7 @@ struct sway_server {
 	struct wlr_input_method_manager_v2 *input_method;
 	struct wlr_text_input_manager_v3 *text_input;
 	struct wlr_foreign_toplevel_manager_v1 *foreign_toplevel_manager;
+	struct wlr_workspace_manager_v1 *workspace_manager;
 
 	size_t txn_timeout_ms;
 	list_t *transactions;

include/sway/tree/workspace.h

@@ -43,6 +43,9 @@ struct sway_workspace {
 	bool urgent;
 
 	struct sway_workspace_state current;
+
+	struct wlr_workspace_handle_v1 *workspace_handle;
+	struct wl_listener *workspace_activate_request;
 };
 
 struct workspace_config *workspace_find_config(const char *ws_name);

sway/desktop/output.c

@@ -919,6 +919,8 @@ void handle_new_output(struct wl_listener *listener, void *data) {
 		return;
 	}
 	output->server = server;
+	output->workspace_group = wlr_workspace_group_handle_v1_create(output->server->workspace_manager);
+	wlr_workspace_group_handle_v1_output_enter(output->workspace_group, wlr_output);
 	output->damage = wlr_output_damage_create(wlr_output);
 
 	wl_signal_add(&wlr_output->events.destroy, &output->destroy);

sway/server.c

@@ -144,6 +144,8 @@ bool server_init(struct sway_server *server) {
 	server->text_input = wlr_text_input_manager_v3_create(server->wl_display);
 	server->foreign_toplevel_manager =
 		wlr_foreign_toplevel_manager_v1_create(server->wl_display);
+	server->workspace_manager =
+			wlr_workspace_manager_v1_create(server->wl_display);
 
 	wlr_export_dmabuf_manager_v1_create(server->wl_display);
 	wlr_screencopy_manager_v1_create(server->wl_display);

sway/tree/output.c

@@ -233,6 +233,8 @@ void output_destroy(struct sway_output *output) {
 				"which is still referenced by transactions")) {
 		return;
 	}
+	wlr_workspace_group_handle_v1_output_leave(output->workspace_group, output->wlr_output);
+	free(output->workspace_group);
 	list_free(output->workspaces);
 	list_free(output->current.workspaces);
 	wl_event_source_remove(output->repaint_timer);
@@ -377,8 +379,22 @@ static int sort_workspace_cmp_qsort(const void *_a, const void *_b) {
 	return 0;
 }
 
+static void set_workspace_coordinates(struct wlr_workspace_group_handle_v1 *workspace_group) {
+	struct wlr_workspace_handle_v1 *workspace_handle;
+	int i = wl_list_length(&workspace_group->workspaces);
+	wl_list_for_each(workspace_handle, &workspace_group->workspaces, link) {
+		struct wl_array coordinates;
+		wl_array_init(&coordinates);
+		*(int*)wl_array_add(&coordinates, sizeof(int)) = i;
+		wlr_workspace_handle_v1_set_coordinates(workspace_handle, &coordinates);
+		wl_array_release(&coordinates);
+		--i;
+	}
+}
+
 void output_sort_workspaces(struct sway_output *output) {
 	list_stable_sort(output->workspaces, sort_workspace_cmp_qsort);
+	set_workspace_coordinates(output->workspace_group);
 }
 
 void output_get_box(struct sway_output *output, struct wlr_box *box) {

sway/tree/workspace.c

@@ -110,6 +110,9 @@ struct sway_workspace *workspace_create(struct sway_output *output,
 	// If not already added, add the output to the lowest priority
 	workspace_output_add_priority(ws, output);
 
+	ws->workspace_handle = wlr_workspace_handle_v1_create(output->workspace_group);
+	wlr_workspace_handle_v1_set_name(ws->workspace_handle, ws->name);
+
 	output_add_workspace(output, ws);
 	output_sort_workspaces(output);
 
@@ -129,6 +132,9 @@ void workspace_destroy(struct sway_workspace *workspace) {
 		return;
 	}
 
+	wlr_workspace_handle_v1_destroy(workspace->workspace_handle);
+
+	free(workspace->workspace_handle);
 	free(workspace->name);
 	free(workspace->representation);
 	list_free_items_and_destroy(workspace->output_priority);
@@ -453,6 +459,16 @@ struct sway_workspace *workspace_prev(struct sway_workspace *current) {
 	return workspace_prev_next_impl(current, -1);
 }
 
+static void set_active_current_and_diactivate_others(struct wlr_workspace_handle_v1 *workspace) {
+	wlr_workspace_handle_v1_set_active(workspace, true);
+	struct wlr_workspace_handle_v1 *tmp_workspace;
+	wl_list_for_each(tmp_workspace, &workspace->group->workspaces, link) {
+		if (workspace != tmp_workspace) {
+			wlr_workspace_handle_v1_set_active(tmp_workspace, false);
+		}
+	}
+}
+
 bool workspace_switch(struct sway_workspace *workspace,
 		bool no_auto_back_and_forth) {
 	struct sway_seat *seat = input_manager_current_seat();
@@ -475,6 +491,9 @@ bool workspace_switch(struct sway_workspace *workspace,
 
 	sway_log(SWAY_DEBUG, "Switching to workspace %p:%s",
 		workspace, workspace->name);
+
+	set_active_current_and_diactivate_others(workspace->workspace_handle);
+
 	struct sway_node *next = seat_get_focus_inactive(seat, &workspace->node);
 	if (next == NULL) {
 		next = &workspace->node;