Make it possible to display time without explicit leading zeroes

simpleclock.ino

@@ -60,7 +60,7 @@ void setup()
 	bool updateWithDelays = false;     // Default. Recommended
 	/* without it there is visual bug at 0 o'clock, and in current version of
 	 * SevSeg' setChars() does not dots at all */
-	bool leadingZeros = true;          
+	bool leadingZeros = false;          
 
 	Display.begin(hardwareConfig, numDigits, digitPins, segmentPins,
                       resistorsOnSegments, updateWithDelays, leadingZeros);
@@ -89,6 +89,8 @@ void setup()
 void loop()
 {
 	unsigned long currentMillis = millis();
+	char str[4];
+	float d;
 	
 	if (currentMillis - previousMillis >= interval)
 	{
@@ -125,11 +127,32 @@ void loop()
 	clock.getTime();
 
 	// make blinking dot
-	if (dot == true) {
+	if (clock.hour > 0)
+	{
+		if (dot == true) 
+		{
 			Display.setNumber((clock.hour * 100 + clock.minute), 2);
-	} else {
+		}
+		else
+		{
 			Display.setNumber((clock.hour * 100 + clock.minute));
 		}
+	}
+	else
+	{
+		/* 0 o'clock is an exception, we dont want to see "00.00", we want see
+		 * "0.00" or "0 00", so we have to use this "hack" */
+		if (dot == true)
+		{
+			d = float(clock.minute) / 100;
+			Display.setNumber(d, 2);
+		}
+		else
+		{
+			sprintf(str, "%2d%02d", clock.hour, clock.minute);
+			Display.setChars(str);
+		}
+	}
 
 	Display.refreshDisplay();
 }