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Implement key binds to control virtual outputs (#1287)

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Add actions `VirtualOutputAdd` and `VirtualOutputRemove`
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kyak 2023-12-09 12:01:11 +03:00 • committed by GitHub
parent e303281333
commit 111b955b53
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5 changed files with 150 additions and 1 deletions
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63
src/output.c
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@ -9,6 +9,8 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <strings.h>
#include <wlr/backend/drm.h>
#include <wlr/backend/headless.h>
#include <wlr/types/wlr_buffer.h>
#include <wlr/types/wlr_drm_lease_v1.h>
#include <wlr/types/wlr_output.h>
@ -172,6 +174,12 @@ new_output_notify(struct wl_listener *listener, void *data)
struct server *server = wl_container_of(listener, server, new_output);
struct wlr_output *wlr_output = data;
/* Name virtual output */
if (wlr_output_is_headless(wlr_output) && server->headless.pending_output_name[0] != '\0') {
wlr_output_set_name(wlr_output, server->headless.pending_output_name);
server->headless.pending_output_name[0] = '\0';
}
/*
* We offer any display as available for lease, some apps like
* gamescope, want to take ownership of a display when they can
@ -179,7 +187,7 @@ new_output_notify(struct wl_listener *listener, void *data)
* This is also useful for debugging the DRM parts of
* another compositor.
*/
if (server->drm_lease_manager) {
if (server->drm_lease_manager && wlr_output_is_drm(wlr_output)) {
wlr_drm_lease_v1_manager_offer_output(
server->drm_lease_manager, wlr_output);
}
@ -746,3 +754,56 @@ handle_output_power_manager_set_mode(struct wl_listener *listener, void *data)
break;
}
}
void
output_add_virtual(struct server *server, const char *output_name)
{
if (output_name) {
/* Prevent creating outputs with the same name */
struct output *output;
wl_list_for_each(output, &server->outputs, link) {
if (wlr_output_is_headless(output->wlr_output) &&
!strcmp(output->wlr_output->name, output_name)) {
wlr_log(WLR_DEBUG,
"refusing to create virtual output with duplicate name");
return;
}
}
strncpy(server->headless.pending_output_name, output_name,
sizeof(server->headless.pending_output_name));
} else {
server->headless.pending_output_name[0] = '\0';
}
/*
* Setting it to (0, 0) here disallows changing resolution from tools like
* wlr-randr (returns error)
*/
wlr_headless_add_output(server->headless.backend, 1920, 1080);
}
void
output_remove_virtual(struct server *server, const char *output_name)
{
struct output *output;
wl_list_for_each(output, &server->outputs, link) {
if (wlr_output_is_headless(output->wlr_output)) {
if (output_name) {
/*
* Given virtual output name, find and destroy virtual output by
* that name.
*/
if (!strcmp(output->wlr_output->name, output_name)) {
wlr_output_destroy(output->wlr_output);
return;
}
} else {
/*
* When virtual output name was no supplied by user, simply
* destroy the first virtual output found.
*/
wlr_output_destroy(output->wlr_output);
return;
}
}
}
}