1 files changed, 8 insertions, 9 deletions
diff --git a/src/datavis3d/engine/q3dbars.h b/src/datavis3d/engine/q3dbars.h
index aea82b9e..d4e0fce9 100644
--- a/src/datavis3d/engine/q3dbars.h
+++ b/src/datavis3d/engine/q3dbars.h
@@ -85,7 +85,7 @@ public:
     // how many samples per row and column, and names for axes
     // TODO: This defines the data window, needs additional parameters startRow, startColumn
     void setupSampleSpace(int samplesRow, int samplesColumn);
-    QSize sampleSpace(); // TODO: Return QRect once data window properly implemented?
+    QSize sampleSpace() const; // TODO: Return QRect once data window properly implemented?
 
     // Select preset camera placement
     void setCameraPreset(CameraPreset preset);
@@ -110,11 +110,11 @@ public:
 
     // Change selection mode; single bar, bar and row, bar and column, or all
     void setSelectionMode(SelectionMode mode);
-    SelectionMode selectionMode();
+    SelectionMode selectionMode() const;
 
     // Set window title
     void setWindowTitle(const QString &title);
-    QString windowTitle();
+    QString windowTitle() const;
 
     // Font size adjustment
     void setFontSize(float fontsize);
@@ -122,28 +122,27 @@ public:
 
     // Set font
     void setFont(const QFont &font);
-    QFont font();
+    QFont font() const;
 
     // Label transparency adjustment
     void setLabelTransparency(LabelTransparency transparency);
-    LabelTransparency labelTransparency();
+    LabelTransparency labelTransparency() const;
 
     // Enable or disable background grid
     void setGridVisible(bool visible);
-    bool isGridVisible();
+    bool isGridVisible() const;
 
-    // TODO: Do these need to be public? Where are they called from?
     // Size
     void setWidth(const int width);
     void setHeight(const int height);
 
     // Enable or disable background mesh
     void setBackgroundVisible(bool visible);
-    bool isBackgroundVisible();
+    bool isBackgroundVisible() const;
 
     // Adjust shadow quality
     void setShadowQuality(ShadowQuality quality);
-    ShadowQuality shadowQuality();
+    ShadowQuality shadowQuality() const;
 
     // Axes - row & column axes are fixed to category axes, value axis can be
     // customized.