decopt 12 configurable

user/cgi_term_cfg.c

@@ -216,6 +216,12 @@ cgiTermCfgSetParams(HttpdConnData *connData)
 		topics |= TOPIC_CHANGE_SCREEN_OPTS;
 	}
 
+	if (GET_ARG("allow_decopt_12")) {
+		cgi_dbg("DECOPT 12: %s", buff);
+		n = atoi(buff);
+		termconf->allow_decopt_12 = (bool)n;
+	}
+
 	if (GET_ARG("theme")) {
 		cgi_dbg("Screen color theme: %s", buff);
 		n = atoi(buff);
@@ -444,6 +450,9 @@ tplTermCfg(HttpdConnData *connData, char *token, void **arg)
 	else if (streq(token, "show_config_links")) {
 		sprintf(buff, "%d", (int)termconf->show_config_links);
 	}
+	else if (streq(token, "allow_decopt_12")) {
+		sprintf(buff, "%d", (int)termconf->allow_decopt_12);
+	}
 	else if (streq(token, "loopback")) {
 		sprintf(buff, "%d", (int)termconf->loopback);
 	}

user/screen.c

@@ -211,6 +211,7 @@ terminal_restore_defaults(void)
 	termconf->crlf_mode = SCR_DEF_CRLF;
 	termconf->want_all_fn = SCR_DEF_ALLFN;
 	termconf->debugbar = SCR_DEF_DEBUGBAR;
+	termconf->allow_decopt_12 = SCR_DEF_DECOPT12;
 }
 
 /**
@@ -229,12 +230,17 @@ terminal_apply_settings_noclear(void)
 {
 	bool changed = false;
 
-	// Migrate to v1
+	// Migrate
 	if (termconf->config_version < 1) {
 		persist_dbg("termconf: Updating to version %d", 1);
 		termconf->debugbar = SCR_DEF_DEBUGBAR;
 		changed = 1;
 	}
+	if (termconf->config_version < 2) {
+		persist_dbg("termconf: Updating to version %d", 1);
+		termconf->allow_decopt_12 = SCR_DEF_DECOPT12;
+		changed = 1;
+	}
 
 	termconf->config_version = TERMCONF_VERSION;
 
@@ -1099,6 +1105,8 @@ screen_cursor_shape(enum CursorShape shape)
 void ICACHE_FLASH_ATTR
 screen_cursor_blink(bool blink)
 {
+	if (!termconf->allow_decopt_12) return;
+
 	NOTIFY_LOCK();
 	if (blink) {
 		if (termconf_live.cursor_shape == CURSOR_BLOCK) termconf_live.cursor_shape = CURSOR_BLOCK_BL;

user/screen.h

@@ -66,6 +66,7 @@ enum CursorShape {
 #define SCR_DEF_CRLF 0  // enter sends CRLF
 #define SCR_DEF_ALLFN 0 // capture F5 etc
 #define SCR_DEF_DEBUGBAR 0
+#define SCR_DEF_DECOPT12 0
 
 // --- Persistent Settings ---
 #define CURSOR_BLINKS(shape) ((shape)==CURSOR_BLOCK_BL||(shape)==CURSOR_UNDERLINE_BL||(shape)==CURSOR_BAR_BL)
@@ -73,7 +74,7 @@ enum CursorShape {
 // Size designed for the terminal config structure
 // Must be constant to avoid corrupting user config after upgrade
 #define TERMCONF_SIZE 300
-#define TERMCONF_VERSION 1
+#define TERMCONF_VERSION 2
 
 typedef struct {
 	u32 width;
@@ -96,6 +97,7 @@ typedef struct {
 	bool crlf_mode;
 	bool want_all_fn;
 	bool debugbar;
+	bool allow_decopt_12;
 } TerminalConfigBundle;
 
 // Live config