From 397fea3bb2d65f501c592af53f8dd22f19943af6 Mon Sep 17 00:00:00 2001
From: Theo Arends <11044339+arendst@users.noreply.github.com>
Date: Sun, 29 Mar 2020 15:17:54 +0200
Subject: [PATCH] Add Console command history

Add Console command history (#8015)
---
 tasmota/xdrv_01_webserver.ino | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

diff --git a/tasmota/xdrv_01_webserver.ino b/tasmota/xdrv_01_webserver.ino
index c6cf97580..e4336b736 100644
--- a/tasmota/xdrv_01_webserver.ino
+++ b/tasmota/xdrv_01_webserver.ino
@@ -31,7 +31,7 @@
 #define WIFI_SOFT_AP_CHANNEL                  1          // Soft Access Point Channel number between 1 and 11 as used by WifiManager web GUI
 #endif
 
-const uint16_t CHUNKED_BUFFER_SIZE = 400;                // Chunk buffer size (should be smaller than half mqtt_date size = MESSZ)
+const uint16_t CHUNKED_BUFFER_SIZE = (MESSZ / 2) - 100;  // Chunk buffer size (should be smaller than half mqtt_data size = MESSZ)
 
 const uint16_t HTTP_REFRESH_TIME = 2345;                 // milliseconds
 #define HTTP_RESTART_RECONNECT_TIME           9000       // milliseconds
@@ -184,7 +184,7 @@ const char HTTP_SCRIPT_CONSOL[] PROGMEM =
     "clearTimeout(lt);"
     "t=eb('t1');"
     "if(p==1){"
-      "c=eb('c1');"
+      "c=eb('c1');"                       // Console command id
       "o='&c1='+encodeURIComponent(c.value);"
       "c.value='';"
       "t.scrollTop=99999;"
@@ -211,6 +211,16 @@ const char HTTP_SCRIPT_CONSOL[] PROGMEM =
     "lt=setTimeout(l,%d);"
     "return false;"
   "}"
+
+  // Console command history - part 2
+  "var mh=20,hc=[],cn=0;"
+  "function cH(a){"
+    "var b=qs('#c1'),c=a.keyCode;"        // c1 = Console command id
+    "38==c?(++cn>hc.length&&(cn=hc.length),b.value=hc[cn-1]||''):"   // Arrow Up
+    "40==c?(0>--cn&&(cn=0),b.value=hc[cn-1]||''):"                   // Arrow Down
+    "13==c&&(hc.length>19&&hc.pop(),hc.unshift(b.value),cn=0)"       // Enter
+  "}"
+
   "wl(l);";
 
 const char HTTP_MODULE_TEMPLATE_REPLACE[] PROGMEM =
@@ -329,6 +339,12 @@ const char HTTP_HEAD_LAST_SCRIPT[] PROGMEM =
       "}"
       "t++;"
     "}"
+
+    // Console command history - part 1
+    "if(qs('#c1')){"                      // c1 = Console command id
+      "qs('#c1').addEventListener('keydown',cH);"
+    "}"
+
   "}"
   "wl(jd);"                               // Add name='' to any id='' in input,button,textarea,select
   "</script>";
@@ -745,7 +761,7 @@ void _WSContentSend(const String& content)        // Low level sendContent for a
 #ifdef USE_DEBUG_DRIVER
   ShowFreeMem(PSTR("WSContentSend"));
 #endif
-  DEBUG_CORE_LOG(PSTR("WEB: Chunk size %d"), len);
+  DEBUG_CORE_LOG(PSTR("WEB: Chunk size %d/%d"), len, sizeof(mqtt_data));
 }
 
 void WSContentFlush(void)
@@ -1735,7 +1751,7 @@ void HandleWifiConfiguration(void)
         //display networks in page
         for (uint32_t i = 0; i < n; i++) {
           if (-1 == indices[i]) { continue; }  // skip dups
-          int32_t rssi = WiFi.RSSI(indices[i])
+          int32_t rssi = WiFi.RSSI(indices[i]);
           DEBUG_CORE_LOG(PSTR(D_LOG_WIFI D_SSID " %s, " D_BSSID " %s, " D_CHANNEL " %d, " D_RSSI " %d"),
             WiFi.SSID(indices[i]).c_str(), WiFi.BSSIDstr(indices[i]).c_str(), WiFi.channel(indices[i]), rssi);
           int quality = WifiGetRssiAsQuality(rssi);