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Implement key binds to control virtual outputs

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It is now possible to use keybinds to add and remove virtual outputs
(also called headless backend in wlroots terminology).
This commit is contained in:
kyak 2023-12-05 19:06:56 +03:00
parent 5d2f594626
commit 45012d322a
5 changed files with 149 additions and 1 deletions
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20
src/server.c
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@ -3,6 +3,8 @@
#include "config.h"
#include <signal.h>
#include <sys/wait.h>
#include <wlr/backend/headless.h>
#include <wlr/backend/multi.h>
#include <wlr/types/wlr_data_control_v1.h>
#include <wlr/types/wlr_export_dmabuf_v1.h>
#include <wlr/types/wlr_fractional_scale_v1.h>
@ -256,6 +258,24 @@ server_init(struct server *server)
exit(EXIT_FAILURE);
}
/*
* Create headless backend to enable adding virtual outputs later on.
*/
server->headless.backend = wlr_headless_backend_create(server->wl_display);
if (!server->headless.backend) {
wlr_log(WLR_ERROR, "failed to create virtual output");
exit(EXIT_FAILURE);
}
wlr_multi_backend_add(server->backend, server->headless.backend);
/*
* If we don't populate headless backend with a virtual output (that we
* create and immediately destroy), then virtual outputs being added
* later do not work properly when overlayed on real output. Content is
* drawn on the virtual output, but not drawn on the real output.
*/
wlr_output_destroy(wlr_headless_add_output(server->headless.backend, 0, 0));
/*
* Autocreates a renderer, either Pixman, GLES2 or Vulkan for us. The
* user can also specify a renderer using the WLR_RENDERER env var.