Implement seat management

protocols/meson.build

@@ -17,6 +17,7 @@ client_protocols = [
 	'wlr-export-dmabuf-unstable-v1.xml',
 	'wlr-screencopy-unstable-v1.xml',
 	'wlr-virtual-pointer-unstable-v1.xml',
+	'wlr-seat-management-unstable-v1.xml',
 	'virtual-keyboard-unstable-v1.xml',
 	'xdg-output-unstable-v1.xml',
 ]

protocols/wlr-seat-management-unstable-v1.xml

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<protocol name="wlr_seat_management_unstable_v1">
+  <copyright>
+    Copyright © 2020 Andri Yngvason
+
+    Permission is hereby granted, free of charge, to any person obtaining a
+    copy of this software and associated documentation files (the "Software"),
+    to deal in the Software without restriction, including without limitation
+    the rights to use, copy, modify, merge, publish, distribute, sublicense,
+    and/or sell copies of the Software, and to permit persons to whom the
+    Software is furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice (including the next
+    paragraph) shall be included in all copies or substantial portions of the
+    Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+    THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+    DEALINGS IN THE SOFTWARE.
+  </copyright>
+
+  <description summary="Protocol for managing seats">
+  </description>
+
+  <interface name="zwlr_seat_manager_v1" version="1">
+    <request name="create_chair">
+      <description summary="Create a transient seat">
+        Create a new seat that is removed when the client closes the connection.
+      </description>
+      <arg name="name" type="string"/>
+      <arg name="seat" type="new_id" interface="zwlr_chair_v1"/>
+    </request>
+
+    <request name="destroy" type="destructor">
+      <description summary="Destroy the manager">
+        Destroy the manager
+      </description>
+    </request>
+  </interface>
+
+  <interface name="zwlr_chair_v1" version="1">
+    <request name="destroy" type="destructor">
+      <description summary="Destroy the chair">
+        Destroy the chair
+      </description>
+    </request>
+  </interface>
+</protocol>

src/main.c

@@ -36,6 +36,7 @@
 #include "wlr-export-dmabuf-unstable-v1.h"
 #include "wlr-screencopy-unstable-v1.h"
 #include "wlr-virtual-pointer-unstable-v1.h"
+#include "wlr-seat-management-unstable-v1.h"
 #include "virtual-keyboard-unstable-v1.h"
 #include "xdg-output-unstable-v1.h"
 #include "render.h"
@@ -68,6 +69,8 @@ struct wayvnc {
 	struct zxdg_output_manager_v1* xdg_output_manager;
 	struct zwp_virtual_keyboard_manager_v1* keyboard_manager;
 	struct zwlr_virtual_pointer_manager_v1* pointer_manager;
+	struct zwlr_seat_manager_v1* seat_manager;
+	struct zwlr_chair_v1* chair;
 
 	struct renderer renderer;
 	const struct output* selected_output;
@@ -190,6 +193,14 @@ static void registry_add(void* data, struct wl_registry* registry,
 			                 1);
 		return;
 	}
+
+	if (strcmp(interface, zwlr_seat_manager_v1_interface.name) == 0) {
+		self->seat_manager =
+			wl_registry_bind(registry, id,
+					 &zwlr_seat_manager_v1_interface, 1);
+		return;
+	}
+
 }
 
 static void registry_remove(void* data, struct wl_registry* registry,
@@ -227,6 +238,7 @@ void wayvnc_destroy(struct wayvnc* self)
 
 	wl_shm_destroy(self->screencopy_backend.wl_shm);
 
+	zwlr_seat_manager_v1_destroy(self->seat_manager);
 	zwp_virtual_keyboard_v1_destroy(self->keyboard_backend.virtual_keyboard);
 	zwp_virtual_keyboard_manager_v1_destroy(self->keyboard_manager);
 	keyboard_destroy(&self->keyboard_backend);
@@ -290,6 +302,17 @@ static int init_wayland(struct wayvnc* self)
 		goto failure;
 	}
 
+	if (!self->seat_manager) {
+		log_error("Seat management protocol not supported by compositor.\n");
+		goto failure;
+	}
+
+	self->chair = zwlr_seat_manager_v1_create_chair(self->seat_manager, "wayvnc");
+	if (!self) {
+		log_error("Failed to create a seat for wayvnc.\n");
+		goto failure;
+	}
+
 	wl_display_dispatch(self->display);
 	wl_display_roundtrip(self->display);
 
@@ -738,7 +761,7 @@ int main(int argc, char* argv[])
 			goto failure;
 		}
 	} else {
-		seat = seat_first(&self.seats);
+		seat = seat_find_by_name(&self.seats, "wayvnc");
 		if (!seat) {
 			log_error("No seat found\n");
 			goto failure;