Add support for user defined GUI button text

Add commands ``WebButton1`` until ``WebButton16`` to support user defined GUI button text (#7166)

RELEASENOTES.md

@@ -56,6 +56,7 @@ The following binary downloads have been compiled with ESP8266/Arduino library c
 - Change Smoother ``Fade`` using 100Hz instead of 20Hz animation (#7179)
 - Change number of rule ``Var``s and ``Mem``s from 5 to 16 (#4933)
 - Change number of ``FriendlyName``s from 4 to 8
+- Add commands ``WebButton1`` until ``WebButton16`` to support user defined GUI button text (#7166)
 - Add support for max 150 characters in most command parameter strings (#3686, #4754)
 - Add support for GPS as NTP server by Christian Baars and Adrian Scillato
 - Add support for ``AdcParam`` parameters to control ADC0 Moisture formula by Federico Leoni (#7309)

tasmota/CHANGELOG.md

@@ -6,6 +6,7 @@
 - Change number of ``FriendlyName``s from 4 to 8
 - Add Zigbee better support for Xiaomi Double Switch and Xiaomi Vibration sensor
 - Add support for ``AdcParam`` parameters to control ADC0 Moisture formula by Federico Leoni (#7309)
+- Add commands ``WebButton1`` until ``WebButton16`` to support user defined GUI button text (#7166)
 
 ### 8.0.0.1 20191221
 

tasmota/i18n.h

@@ -334,6 +334,7 @@
 #define D_CMND_WEBREFRESH "WebRefresh"
 #define D_CMND_WEBSEND "WebSend"
 #define D_CMND_WEBCOLOR "WebColor"
+#define D_CMND_WEBBUTTON "WebButton"
 #define D_CMND_WEBSENSOR "WebSensor"
 #define D_CMND_EMULATION "Emulation"
 #define D_CMND_SENDMAIL "Sendmail"

tasmota/settings.ino

@@ -551,14 +551,15 @@ bool SettingsUpdateText(uint32_t index, const char* replace_me)
 
 char* SettingsText(uint32_t index)
 {
-  if (index >= SET_MAX) {
-    return nullptr;  // Setting not supported - internal error
-  }
-
   char* position = Settings.text_pool;
+
+  if (index >= SET_MAX) {
+    position += settings_text_size -1;  // Setting not supported - internal error - return empty string
+  } else {
     for (;index > 0; index--) {
       while (*position++ != '\0') { }
     }
+  }
   return position;
 }
 

tasmota/support_command.ino

@@ -1311,7 +1311,7 @@ void CmndFriendlyname(void)
       } else {
         snprintf_P(stemp1, sizeof(stemp1), PSTR(FRIENDLY_NAME "%d"), XdrvMailbox.index);
       }
-      SettingsUpdateText(SET_FRIENDLYNAME1 + XdrvMailbox.index -1, (SC_DEFAULT == Shortcut()) ? stemp1 : XdrvMailbox.data);
+      SettingsUpdateText(SET_FRIENDLYNAME1 + XdrvMailbox.index -1, ('"' == XdrvMailbox.data[0]) ? "" : (SC_DEFAULT == Shortcut()) ? stemp1 : XdrvMailbox.data);
     }
     ResponseCmndIdxChar(SettingsText(SET_FRIENDLYNAME1 + XdrvMailbox.index -1));
   }

tasmota/tasmota.h

@@ -73,8 +73,9 @@ const uint8_t MAX_RULE_SETS = 3;            // Max number of rule sets of size 5
 const uint16_t MAX_RULE_SIZE = 512;         // Max number of characters in rules
 
 // Changes to the following MAX_ defines need to be in line with enum SettingsTextIndex
-const uint8_t MAX_FRIENDLYNAMES = 8;        // Max number of Friendly names
 const uint8_t MAX_RULE_MEMS = 16;           // Max number of saved vars
+const uint8_t MAX_FRIENDLYNAMES = 8;        // Max number of Friendly names
+const uint8_t MAX_BUTTON_TEXT = 16;         // Max number of GUI button labels
 
 const uint8_t MAX_HUE_DEVICES = 15;         // Max number of Philips Hue device per emulation
 
@@ -290,10 +291,8 @@ enum SettingsTextIndex { SET_OTAURL,
                          SET_MEM9, SET_MEM10, SET_MEM11, SET_MEM12, SET_MEM13, SET_MEM14, SET_MEM15, SET_MEM16,
                          SET_FRIENDLYNAME1, SET_FRIENDLYNAME2, SET_FRIENDLYNAME3, SET_FRIENDLYNAME4,
                          SET_FRIENDLYNAME5, SET_FRIENDLYNAME6, SET_FRIENDLYNAME7, SET_FRIENDLYNAME8,
-                         SET_BUTTON1, SET_BUTTON2, SET_BUTTON3, SET_BUTTON4,
+                         SET_BUTTON1, SET_BUTTON2, SET_BUTTON3, SET_BUTTON4, SET_BUTTON5, SET_BUTTON6, SET_BUTTON7, SET_BUTTON8,
-                         SET_BUTTON5, SET_BUTTON6, SET_BUTTON7, SET_BUTTON8,
+                         SET_BUTTON9, SET_BUTTON10, SET_BUTTON11, SET_BUTTON12, SET_BUTTON13, SET_BUTTON14, SET_BUTTON15, SET_BUTTON16,
-                         SET_BUTTON9, SET_BUTTON10, SET_BUTTON11, SET_BUTTON12,
-                         SET_BUTTON13, SET_BUTTON14, SET_BUTTON15, SET_BUTTON16,
                          SET_MAX };
 
 enum CommandSource { SRC_IGNORE, SRC_MQTT, SRC_RESTART, SRC_BUTTON, SRC_SWITCH, SRC_BACKLOG, SRC_SERIAL, SRC_WEBGUI, SRC_WEBCOMMAND, SRC_WEBCONSOLE, SRC_PULSETIMER,

tasmota/xdrv_01_webserver.ino

@@ -1014,7 +1014,7 @@ void HandleRoot(void)
 
   AddLog_P(LOG_LEVEL_DEBUG, S_LOG_HTTP, S_MAIN_MENU);
 
-  char stemp[10];
+  char stemp[33];
 
   WSContentStart_P(S_MAIN_MENU);
 #ifdef USE_SCRIPT_WEB_DISPLAY
@@ -1106,14 +1106,19 @@ void HandleRoot(void)
     WSContentSend_P(PSTR("<tr>"));
 #ifdef USE_SONOFF_IFAN
     if (IsModuleIfan()) {
-      WSContentSend_P(HTTP_DEVICE_CONTROL, 36, 1, D_BUTTON_TOGGLE, "");
+      WSContentSend_P(HTTP_DEVICE_CONTROL, 36, 1,
+        (strlen(SettingsText(SET_BUTTON1))) ? SettingsText(SET_BUTTON1) : D_BUTTON_TOGGLE,
+        "");
       for (uint32_t i = 0; i < MaxFanspeed(); i++) {
         snprintf_P(stemp, sizeof(stemp), PSTR("%d"), i);
-        WSContentSend_P(HTTP_DEVICE_CONTROL, 16, i +2, stemp, "");
+        WSContentSend_P(HTTP_DEVICE_CONTROL, 16, i +2,
+          (strlen(SettingsText(SET_BUTTON2 + i))) ? SettingsText(SET_BUTTON2 + i) : stemp,
+          "");
       }
     } else {
 #endif  // USE_SONOFF_IFAN
       for (uint32_t idx = 1; idx <= devices_present; idx++) {
+        bool set_button = ((idx <= MAX_BUTTON_TEXT) && strlen(SettingsText(SET_BUTTON1 + idx -1)));
 #ifdef USE_SHUTTER
         if (Settings.flag3.shutter_mode) {  // SetOption80 - Enable shutter support
           bool shutter_used = false;
@@ -1124,13 +1129,17 @@ void HandleRoot(void)
             }
           }
           if (shutter_used) {
-            WSContentSend_P(HTTP_DEVICE_CONTROL, 100 / devices_present, idx, (idx % 2) ? "▲" : "▼" , "");
+            WSContentSend_P(HTTP_DEVICE_CONTROL, 100 / devices_present, idx,
+              (set_button) ? SettingsText(SET_BUTTON1 + idx -1) : (idx % 2) ? "▲" : "▼",
+              "");
             continue;
           }
         }
 #endif  // USE_SHUTTER
         snprintf_P(stemp, sizeof(stemp), PSTR(" %d"), idx);
-        WSContentSend_P(HTTP_DEVICE_CONTROL, 100 / devices_present, idx, (devices_present < 5) ? D_BUTTON_TOGGLE : "", (devices_present > 1) ? stemp : "");
+        WSContentSend_P(HTTP_DEVICE_CONTROL, 100 / devices_present, idx,
+          (set_button) ? SettingsText(SET_BUTTON1 + idx -1) : (devices_present < 5) ? D_BUTTON_TOGGLE : "",
+          (set_button) ? "" : (devices_present > 1) ? stemp : "");
       }
 #ifdef USE_SONOFF_IFAN
     }
@@ -1146,7 +1155,9 @@ void HandleRoot(void)
       if (idx > 0) { WSContentSend_P(PSTR("</tr><tr>")); }
       for (uint32_t j = 0; j < 4; j++) {
         idx++;
-        WSContentSend_P(PSTR("<td style='width:25%%'><button onclick='la(\"&k=%d\");'>%d</button></td>"), idx, idx);  // &k is related to WebGetArg("k", tmp, sizeof(tmp));
+        snprintf_P(stemp, sizeof(stemp), PSTR("%d"), idx);
+        WSContentSend_P(PSTR("<td style='width:25%%'><button onclick='la(\"&k=%d\");'>%s</button></td>"), idx,  // &k is related to WebGetArg("k", tmp, sizeof(tmp));
+          (strlen(SettingsText(SET_BUTTON1 + idx -1))) ? SettingsText(SET_BUTTON1 + idx -1) : stemp);
       }
     }
     WSContentSend_P(PSTR("</tr></table>"));
@@ -2733,7 +2744,8 @@ const char kWebCommands[] PROGMEM = "|"  // No prefix
 #ifdef USE_SENDMAIL
   D_CMND_SENDMAIL "|"
 #endif
-  D_CMND_WEBSERVER "|" D_CMND_WEBPASSWORD "|" D_CMND_WEBLOG "|" D_CMND_WEBREFRESH "|" D_CMND_WEBSEND "|" D_CMND_WEBCOLOR "|" D_CMND_WEBSENSOR "|" D_CMND_CORS;
+  D_CMND_WEBSERVER "|" D_CMND_WEBPASSWORD "|" D_CMND_WEBLOG "|" D_CMND_WEBREFRESH "|" D_CMND_WEBSEND "|" D_CMND_WEBCOLOR "|"
+  D_CMND_WEBSENSOR "|" D_CMND_WEBBUTTON "|" D_CMND_CORS;
 
 void (* const WebCommand[])(void) PROGMEM = {
 #ifdef USE_EMULATION
@@ -2742,7 +2754,8 @@ void (* const WebCommand[])(void) PROGMEM = {
 #ifdef USE_SENDMAIL
   &CmndSendmail,
 #endif
-  &CmndWebServer, &CmndWebPassword, &CmndWeblog, &CmndWebRefresh, &CmndWebSend, &CmndWebColor, &CmndWebSensor, &CmndCors };
+  &CmndWebServer, &CmndWebPassword, &CmndWeblog, &CmndWebRefresh, &CmndWebSend, &CmndWebColor,
+  &CmndWebSensor, &CmndWebButton, &CmndCors };
 
 /*********************************************************************************************\
  * Commands
@@ -2863,6 +2876,24 @@ void CmndWebSensor(void)
   ResponseJsonEnd();
 }
 
+void CmndWebButton(void)
+{
+  if ((XdrvMailbox.index > 0) && (XdrvMailbox.index <= MAX_BUTTON_TEXT)) {
+    if (!XdrvMailbox.usridx) {
+      mqtt_data[0] = '\0';
+      for (uint32_t i = 0; i < MAX_BUTTON_TEXT; i++) {
+        ResponseAppend_P(PSTR("%c\"WebButton%d\":\"%s\""), (i) ? ',' : '{', i +1, SettingsText(SET_BUTTON1 +i));
+      }
+      ResponseJsonEnd();
+    } else {
+      if (XdrvMailbox.data_len > 0) {
+        SettingsUpdateText(SET_BUTTON1 + XdrvMailbox.index -1, ('"' == XdrvMailbox.data[0]) ? "" : XdrvMailbox.data);
+      }
+      ResponseCmndIdxChar(SettingsText(SET_BUTTON1 + XdrvMailbox.index -1));
+    }
+  }
+}
+
 void CmndCors(void)
 {
   if (XdrvMailbox.data_len > 0) {