Add support for dynamic resizing of headless outputs based on VNC client size changes

include/output-management.h

@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2023 The wayvnc authors
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+struct output;
+struct zwlr_output_manager_v1;
+
+void wlr_output_manager_setup(struct zwlr_output_manager_v1* output_manager);
+bool wlr_output_manager_resize_output(struct output* output,
+	uint16_t width, uint16_t height);
+void wlr_output_manager_destroy(void);

include/output.h

@@ -57,6 +57,7 @@ struct output {
 
 	bool is_dimension_changed;
 	bool is_transform_changed;
+	bool is_headless;
 
 	void (*on_dimension_change)(struct output*);
 	void (*on_transform_change)(struct output*);

meson.build

@@ -89,6 +89,7 @@ sources = [
 	'src/screencopy.c',
 	'src/data-control.c',
 	'src/output.c',
+	'src/output-management.c',
 	'src/pointer.c',
 	'src/keyboard.c',
 	'src/seat.c',

protocols/meson.build

@@ -21,6 +21,7 @@ client_protocols = [
 	'xdg-output-unstable-v1.xml',
 	'linux-dmabuf-unstable-v1.xml',
 	'wlr-data-control-unstable-v1.xml',
+	'wlr-output-management-unstable-v1.xml',
 	'wlr-output-power-management-unstable-v1.xml',
 	'ext-transient-seat-v1.xml',
 ]