Change online program and program section via left/right arrow keys

Similar to how we can now cycle through the file areas and message areas using left and right arrow keys, do the same for external "online" program sections and program (door) configurations.

src/sbbs3/scfg/scfgxtrn.c

@@ -18,6 +18,7 @@
  ****************************************************************************/
 
 #include "scfg.h"
+#include "ciolib.h"	// CIO_KEY_*
 
 char *daystr(char days);
 static void hotkey_cfg(void);
@@ -127,6 +128,24 @@ static bool new_external_program(unsigned new_xtrn_num, unsigned section)
 	return true;
 }
 
+static int next_program(const int num)
+{
+	for(int i = num + 1; i < cfg.total_xtrns; i++) {
+		if(cfg.xtrn[i]->sec == cfg.xtrn[num]->sec)
+			return i;
+	}
+	return num;
+}
+
+static int prev_program(const int num)
+{
+	for(int i = num - 1; i >= 0; i--) {
+		if(cfg.xtrn[i]->sec == cfg.xtrn[num]->sec)
+			return i;
+	}
+	return num;
+}
+
 static bool new_external_editor(unsigned new_xedit_num)
 {
 	xedit_t* new_xedit = malloc(sizeof(*new_xedit));
@@ -1064,7 +1083,7 @@ void xtrn_cfg(uint section)
 			"\n"
 			"To configure a program, select it with the arrow keys and hit ~ ENTER ~.\n"
 		;
-		sprintf(str,"%s Online Programs",cfg.xtrnsec[section]->name);
+		sprintf(str,"%s Programs",cfg.xtrnsec[section]->name);
 		i=uifc.list(i,0,0,45,&ext_dflt,&ext_bar,str,opt);
 		if((signed)i==-1)
 			return;
@@ -1072,17 +1091,17 @@ void xtrn_cfg(uint section)
 		i &= MSK_OFF;
 		if(msk == MSK_INS) {
 			uifc.helpbuf=
-				"`Online Program Name:`\n"
+				"`Program Name:`\n"
 				"\n"
 				"This is the name or description of the online program (door).\n"
 			;
-			if(uifc.input(WIN_MID|WIN_SAV,0,0,"Online Program Name",str,40
+			if(uifc.input(WIN_MID|WIN_SAV,0,0,"Program Name",str,40
 				,0)<1)
 				continue;
 			SAFECOPY(code,str);
 			prep_code(code,/* prefix: */NULL);
 			uifc.helpbuf=
-				"`Online Program Internal Code:`\n"
+				"`Program Internal Code:`\n"
 				"\n"
 				"Every online program must have its own unique code for Synchronet to\n"
 				"refer to it internally. This code is usually an abbreviation of the\n"
@@ -1201,13 +1220,21 @@ void xtrn_cfg(uint section)
 				"This menu is for configuring the selected online program.\n"
 				"\n"
 				"For detailed instructions for configuring BBS doors, see\n"
-				"`http://wiki.synchro.net/howto:door:index`"
+				"`http://wiki.synchro.net/howto:door:index`\n"
+				"\n"
+				"The left and right arrow keys may be used to cycle through programs.\n"
 			;
-			switch(uifc.list(WIN_SAV|WIN_ACT|WIN_MID,0,0,60,&opt_dflt,&sub_bar,cfg.xtrn[i]->name
+			switch(uifc.list(WIN_SAV|WIN_ACT|WIN_MID|WIN_EXTKEYS,0,0,60,&opt_dflt,&sub_bar,cfg.xtrn[i]->name
 				,opt)) {
 				case -1:
 					done=1;
 					break;
+				case -CIO_KEY_LEFT-2:
+					i = prev_program(i);
+					break;
+				case -CIO_KEY_RIGHT-2:
+					i = next_program(i);
+					break;
 				case 0:
 					uifc.helpbuf=
 						"`Online Program Name:`\n"
@@ -2380,14 +2407,33 @@ void xtrnsec_cfg()
 			sprintf(opt[k++],"%-27.27s%s","Internal Code",cfg.xtrnsec[i]->code);
 			sprintf(opt[k++],"%-27.27s%s","Access Requirements"
 				,cfg.xtrnsec[i]->arstr);
-			sprintf(opt[k++],"%s","Available Online Programs...");
+			sprintf(opt[k++],"%s","Online Programs...");
 			opt[k][0]=0;
 			sprintf(str,"%s Program Section",cfg.xtrnsec[i]->name);
-			switch(uifc.list(WIN_SAV|WIN_ACT|WIN_MID,0,0,60,&xtrnsec_opt,0,str
+			uifc.helpbuf=
+				"`Program Section Configuration:`\n"
+				"\n"
+				"This menu allows you to configure the security requirements for access\n"
+				"to this external program section. You can also add, delete, and\n"
+				"configure the programs (e.g. door games) of this section by selecting\n"
+				"the `Online Programs...` option.\n"
+				"\n"
+				"The left and right arrow keys may be used to cycle through program\n"
+				"sections.\n"
+			;
+			switch(uifc.list(WIN_SAV|WIN_ACT|WIN_MID|WIN_EXTKEYS,0,0,60,&xtrnsec_opt,0,str
 				,opt)) {
 				case -1:
 					done=1;
 					break;
+				case -CIO_KEY_LEFT-2:
+					if(i > 0)
+						i--;
+					break;
+				case -CIO_KEY_RIGHT-2:
+					if(i + 1 < cfg.total_xtrnsecs)
+						i++;
+					break;
 				case 0:
 					uifc.helpbuf=
 						"`Online Program Section Name:`\n"