Use two's complement in number display

2 files changed, 4 insertions, 3 deletions

diff --git a/gui/digitlabel.h b/gui/digitlabel.h
index 68b01cb..bffdd0a 100644
--- a/gui/digitlabel.h
+++ b/gui/digitlabel.h
@@ -59,7 +59,7 @@ class DigitLabel : public QLabel
 	/**
 	 * If this digit should display in hexidecinmal.
 	 */
-	int is_hex;
+	int is_hex = true;
 	/**
 	 * If this digit should not display.
 	 */
diff --git a/gui/digitlabelhelper.h b/gui/digitlabelhelper.h
index a0f845f..715089a 100644
--- a/gui/digitlabelhelper.h
+++ b/gui/digitlabelhelper.h
@@ -24,7 +24,8 @@ class DigitLabelHelper
 {
   public:
 	/**
-	 * Contains the main formatting logic used to format integers.
+	 * Contains the main formatting logic used to format integers. Uses 2's
+	 * complement for hexadecimal numbers.
 	 * @param the value to be formated
 	 * @param if the value should be displayed in hex. If false, displays in
 	 * decimal.
@@ -35,7 +36,7 @@ class DigitLabelHelper
 	{
 		if (is_cleared)
 			return QString();
-		return is_hex ? QString::number(value, 16).toUpper()
+		return is_hex ? QString::asprintf("%04X", value)
 					  : QString::number(value);
 	}
 };