Add/use K_RIGHTEXIT and CON_RIGHTARROW

for getstr() to be able to return when user right-arrows off end of string
(for use in msgeditor).

src/sbbs3/getstr.cpp

@@ -42,7 +42,7 @@ size_t sbbs_t::getstr(char *strout, size_t maxlen, int mode, const str_list_t hi
 	int		org_lbuflen = lbuflen;
 
 	int term = term_supports();
-	console&=~(CON_UPARROW|CON_DOWNARROW|CON_LEFTARROW|CON_BACKSPACE|CON_DELETELINE);
+	console&=~(CON_UPARROW|CON_DOWNARROW|CON_LEFTARROW|CON_RIGHTARROW|CON_BACKSPACE|CON_DELETELINE);
 	if(!(mode&K_WRAP))
 		console&=~CON_INSERT;
 	sys_status&=~SS_ABORT;
@@ -125,6 +125,10 @@ size_t sbbs_t::getstr(char *strout, size_t maxlen, int mode, const str_list_t hi
 			console|=CON_DOWNARROW;
 			break;
 		}
+		if(ch==TERM_KEY_RIGHT && (mode & K_RIGHTEXIT) && i == l) {
+			console |= CON_RIGHTARROW;
+			break;
+		}
 		if(ch==TAB && (mode&K_TAB || (!(mode&K_WRAP) && history == NULL)))	/* TAB same as CR */
 			break;
 		if(!i && (mode&(K_UPRLWR|K_TRIM)) && (ch==' ' || ch==TAB))

src/sbbs3/sbbsdefs.h

@@ -485,6 +485,7 @@ typedef enum {						/* Values for xtrn_t.event				*/
 #define CON_PAUSEOFF	(1<<4)	// Temporary pause over-ride (same as UPAUSE)
 #define CON_L_INPUT		(1<<5)	/* Accept input locally						*/
 #define CON_RAW_IN		(1<<8)	/* Raw input mode - no editing capabilities	*/
+#define CON_RIGHTARROW	(1<<9)	/* Right arrow hit, exiting from getstr()	*/
 #define CON_ECHO_OFF	(1<<10)	/* Remote & Local echo disabled for ML/MF	*/
 #define CON_UPARROW		(1<<11)	/* Up arrow hit - move up one line			*/
 #define CON_DOWNARROW	(1<<12)	/* Down arrow hit, exiting from getstr()	*/
@@ -665,6 +666,7 @@ typedef enum {						/* Values for xtrn_t.event				*/
 #define K_CTRLKEYS	(1<<24)		/* No control-key handling/eating in inkey()*/
 #define K_NUL		(1<<25)		/* Return NOINP on timeout instead of '\0'	*/
 #define K_UTF8		(1<<26)		/* Don't translate UTF-8 input into CP437 	*/
+#define K_RIGHTEXIT	(1<<27)		/* Allow exit by arrowing right				*/
 
 								/* Bits in 'mode' for putmsg and printfile  */
 #define P_NONE		0			/* No mode flags							*/