Show bank:voice number for voices (#840)

e.g. 005:012
Closes #832

src/uimenu.cpp

@@ -702,15 +702,30 @@ void CUIMenu::EditProgramNumber (CUIMenu *pUIMenu, TMenuEvent Event)
 			CUIMenu::EditProgramNumber (pUIMenu, MenuEventStepDown);
 		}
 	} else {
-		string TG ("TG");
-		TG += to_string (nTG+1);
-
-		string Value = to_string (nValue+1) + "=" + pUIMenu->m_pMiniDexed->GetVoiceName (nTG);
-
-		pUIMenu->m_pUI->DisplayWrite (TG.c_str (),
-					      pUIMenu->m_pParentMenu[pUIMenu->m_nCurrentMenuItem].Name,
-					      Value.c_str (),
-					      nValue > 0, nValue < (int) CSysExFileLoader::VoicesPerBank-1);
+		// Format: 000:000      TG1 (bank:voice padded, TGx right-aligned)
+		int nBank = pUIMenu->m_pMiniDexed->GetTGParameter(CMiniDexed::TGParameterVoiceBank, nTG);
+		std::string left = "000";
+		left += std::to_string(nBank+1);
+		left = left.substr(left.length()-3,3);
+		left += ":";
+		std::string voiceNum = "000";
+		voiceNum += std::to_string(nValue+1);
+		voiceNum = voiceNum.substr(voiceNum.length()-3,3);
+		left += voiceNum;
+
+		std::string tgLabel = "TG" + std::to_string(nTG+1);
+		unsigned lcdCols = pUIMenu->m_pConfig->GetLCDColumns();
+		unsigned pad = 0;
+		if (lcdCols > left.length() + tgLabel.length())
+			pad = lcdCols - (unsigned)(left.length() + tgLabel.length());
+		std::string topLine = left + std::string(pad, ' ') + tgLabel;
+
+		std::string Value = pUIMenu->m_pMiniDexed->GetVoiceName (nTG);
+
+		pUIMenu->m_pUI->DisplayWrite (topLine.c_str(),
+					  "",
+					  Value.c_str(),
+					  nValue > 0, nValue < (int) CSysExFileLoader::VoicesPerBank);
 	}
 }
 
@@ -1996,5 +2011,3 @@ void CUIMenu::EditTGParameterModulation (CUIMenu *pUIMenu, TMenuEvent Event)
 				      nValue > rParam.Minimum, nValue < rParam.Maximum);
 				   
 }
-
-