From 1ad9d118c2d4202ce65622610fccec0f00030f4e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Sun, 23 Jun 2019 13:36:20 +0200
Subject: [PATCH] vt: dummy implementation of ESC dispatch

---
 vt.c | 38 +++++++++++++++++++++++++++++++++++++-
 1 file changed, 37 insertions(+), 1 deletion(-)

diff --git a/vt.c b/vt.c
index 27fb595e..1ba0609b 100644
--- a/vt.c
+++ b/vt.c
@@ -552,6 +552,39 @@ static const enum action exit_actions[] = {
     [STATE_SOS_PM_APC_STRING] = ACTION_NONE,
 };
 
+static bool
+esc_dispatch(struct terminal *term, uint8_t final)
+{
+#if defined(_DEBUG)
+    char log[1024];
+    int c = snprintf(log, sizeof(log), "ESC: ");
+
+    for (size_t i = 0; i < term->vt.intermediates.idx; i++)
+        c += snprintf(&log[c], sizeof(log) - c, "%d", term->vt.intermediates.data[i]);
+
+    c += snprintf(&log[c], sizeof(log) - c, "%c", final);
+    LOG_DBG("%s", log);
+#endif
+
+    switch (final) {
+    case '=':
+        /* Other half of xterm's smkx */
+        LOG_WARN("ignoring ESC with final %c", final);
+        break;
+
+    case '>':
+        /* Other half of xterm's rmkx */
+        LOG_WARN("ignoring ESC with final %c", final);
+        break;
+
+    default:
+        LOG_ERR("ESC: unimplemented final: %c", final);
+        return false;
+    }
+
+    return true;
+}
+
 static bool
 action(struct terminal *term, enum action action, uint8_t c)
 {
@@ -663,6 +696,10 @@ action(struct terminal *term, enum action action, uint8_t c)
         LOG_ERR("unimplemented: action ESC dispatch");
         return false;
 
+    case ACTION_ESC_DISPATCH:
+        return esc_dispatch(term, c);
+        break;
+
     case ACTION_CSI_DISPATCH:
         return csi_dispatch(term, c);
 
@@ -677,7 +714,6 @@ action(struct terminal *term, enum action action, uint8_t c)
     case ACTION_OSC_END:
         return osc_dispatch(term);
 
-    case ACTION_ESC_DISPATCH:
     case ACTION_HOOK:
     case ACTION_UNHOOK:
     case ACTION_PUT: