From 61409d40e290e8eff75fe567942b4ba5438d23a0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Mon, 22 Jul 2019 19:10:15 +0200
Subject: [PATCH] flash: convert our own 'flash' from a CSI to an OSC

---
 csi.c     | 16 ----------------
 foot.info |  2 +-
 osc.c     | 24 ++++++++++++++++++++++++
 3 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/csi.c b/csi.c
index 275d5657..cc23617a 100644
--- a/csi.c
+++ b/csi.c
@@ -5,8 +5,6 @@
 #include <unistd.h>
 #include <assert.h>
 
-#include <sys/timerfd.h>
-
 #if defined(_DEBUG)
  #include <stdio.h>
 #endif
@@ -598,20 +596,6 @@ csi_dispatch(struct terminal *term, uint8_t final)
             }
 
             case 1001: {
-                /* Our own private - flash */
-                unsigned duration_ms = vt_param_get(term, 1, 100);
-                LOG_DBG("FLASH for %ums", duration_ms);
-
-                struct itimerspec alarm = {
-                    .it_value = {.tv_sec = 0, .tv_nsec = duration_ms * 1000000},
-                };
-
-                if (timerfd_settime(term->flash_timer_fd, 0, &alarm, NULL) < 0)
-                    LOG_ERRNO("failed to arm flash timer");
-                else {
-                    term->flash_active = true;
-                }
-                break;
             }
 
             default:
diff --git a/foot.info b/foot.info
index ed292dda..4388df77 100644
--- a/foot.info
+++ b/foot.info
@@ -51,7 +51,7 @@ foot+base|foot base fragment,
     ed=\E[J,
     el=\E[K,
     el1=\E[1K,
-    flash=\E[1001;100t,
+    flash=\E]555\007,
     home=\E[H,
     hpa=\E[%i%p1%dG,
     ht=^I,
diff --git a/osc.c b/osc.c
index 9ec73ac2..2845ab96 100644
--- a/osc.c
+++ b/osc.c
@@ -3,6 +3,8 @@
 #include <string.h>
 #include <ctype.h>
 
+#include <sys/timerfd.h>
+
 #define LOG_MODULE "osc"
 #define LOG_ENABLE_DBG 0
 #include "log.h"
@@ -200,6 +202,24 @@ osc_selection(struct terminal *term, char *string)
         osc_to_clipboard(term, string, p);
 }
 
+static void
+osc_flash(struct terminal *term)
+{
+    /* Our own private - flash */
+    unsigned duration_ms = vt_param_get(term, 1, 100);
+    LOG_DBG("FLASH for %ums", duration_ms);
+
+    struct itimerspec alarm = {
+        .it_value = {.tv_sec = 0, .tv_nsec = duration_ms * 1000000},
+    };
+
+    if (timerfd_settime(term->flash_timer_fd, 0, &alarm, NULL) < 0)
+        LOG_ERRNO("failed to arm flash timer");
+    else {
+        term->flash_active = true;
+    }
+}
+
 void
 osc_dispatch(struct terminal *term)
 {
@@ -244,6 +264,10 @@ osc_dispatch(struct terminal *term)
     case 112: /* Reset text cursor color */
         break;
 
+    case 555:
+        osc_flash(term);
+        break;
+
     default:
         LOG_ERR("unimplemented: OSC: %.*s",
                 (int)term->vt.osc.idx, term->vt.osc.data);