2 files changed, 9 insertions, 3 deletions
diff --git a/qtmips_gui/coreview/multitext.cpp b/qtmips_gui/coreview/multitext.cpp
index d28b5be..1658b55 100644
--- a/qtmips_gui/coreview/multitext.cpp
+++ b/qtmips_gui/coreview/multitext.cpp
@@ -47,13 +47,14 @@ using namespace coreview;
 #define PENW 1
 //////////////////////
 
-MultiText::MultiText(QMap<std::uint32_t, QString> value_map) :
+MultiText::MultiText(QMap<std::uint32_t, QString> value_map, bool nonzero_red) :
                  QGraphicsObject(nullptr), text(this) {
     QFont f;
     f.setPointSize(6);
     text.setFont(f);
 
     this->value_map = value_map;
+    this->nonzero_red = nonzero_red;
 
     multitext_update(0);
 }
@@ -64,7 +65,11 @@ QRectF MultiText::boundingRect() const {
 
 void MultiText::paint(QPainter *painter, const QStyleOptionGraphicsItem *option __attribute__((unused)), QWidget *widget __attribute__((unused))) {
     painter->setPen(QPen(QColor(240, 240, 240)));
-    painter->setBrush(QBrush(QColor(240, 240, 240)));
+    if (value != 0 && nonzero_red)
+        painter->setBrush(QBrush(QColor(255, 100, 100)));
+    else
+        painter->setBrush(QBrush(QColor(240, 240, 240)));
+
     painter->drawRoundRect(-WIDTH/2, 0, WIDTH, HEIGHT, ROUND, ROUND);
 }
 
diff --git a/qtmips_gui/coreview/multitext.h b/qtmips_gui/coreview/multitext.h
index 9d1f0ab..48c9652 100644
--- a/qtmips_gui/coreview/multitext.h
+++ b/qtmips_gui/coreview/multitext.h
@@ -46,7 +46,7 @@ namespace coreview {
 class MultiText : public QGraphicsObject {
     Q_OBJECT
 public:
-    MultiText(QMap<std::uint32_t, QString> value_map);
+    MultiText(QMap<std::uint32_t, QString> value_map, bool nonzero_red = false);
 
     QRectF boundingRect() const;
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
@@ -58,6 +58,7 @@ private:
     QGraphicsSimpleTextItem text;
     std::uint32_t value;
     QMap<std::uint32_t, QString> value_map;
+    std::uint32_t nonzero_red;
 };
 
 }