From df7fc323a61d22e25d62fa048b6d6fc90aad5697 Mon Sep 17 00:00:00 2001
From: Patrick Avery <psavery@buffalo.edu>
Date: Sat, 25 Nov 2017 13:39:09 -0500
Subject: [PATCH] Allow plot axis width to be changed.

This adds a function that allows the plot axis width to
be changed.
---
 libavogadro/src/plotwidget.cpp | 16 ++++++++++++++--
 libavogadro/src/plotwidget.h   | 18 ++++++++++++------
 2 files changed, 26 insertions(+), 8 deletions(-)

diff --git a/libavogadro/src/plotwidget.cpp b/libavogadro/src/plotwidget.cpp
index 6766fc8b7..9e253e85e 100644
--- a/libavogadro/src/plotwidget.cpp
+++ b/libavogadro/src/plotwidget.cpp
@@ -61,7 +61,8 @@ namespace Avogadro {
         cBackground( Qt::black ), cForeground( Qt::white ), cGrid( Qt::gray ),
         showGrid( false ), showObjectToolTip( true ), useAntialias( false ),
         font( QFont() ), followingMouse(false), jailedInDefaults(false),
-        labelShiftDirection(None)
+        labelShiftDirection(None),
+        axisWidth(1)
     {
       // create the axes and setting their default properties
       PlotAxis *leftAxis = new PlotAxis();
@@ -131,6 +132,9 @@ namespace Avogadro {
     // Wether can move away default limits rectangle
     bool jailedInDefaults;
     Direction labelShiftDirection;
+
+    // The width of the axes and tick markers. Default is 1.
+    int axisWidth;
   };
 
   PlotWidget::PlotWidget( QWidget * parent )
@@ -542,6 +546,12 @@ namespace Avogadro {
     update();
   }
 
+  void PlotWidget::setAxisWidth( int w )
+  {
+    d->axisWidth = w;
+    update();
+  }
+
   void PlotWidget::setShowGrid( bool show ) {
     d->showGrid = show;
     update();
@@ -1533,7 +1543,9 @@ namespace Avogadro {
       }
     }
 
-    p->setPen( foregroundColor() );
+    QPen pen(foregroundColor());
+    pen.setWidth(d->axisWidth);
+    p->setPen(pen);
     p->setBrush( Qt::NoBrush );
 
     /*** BottomAxis ***/
diff --git a/libavogadro/src/plotwidget.h b/libavogadro/src/plotwidget.h
index b1141ed20..a179c5564 100644
--- a/libavogadro/src/plotwidget.h
+++ b/libavogadro/src/plotwidget.h
@@ -124,19 +124,19 @@ namespace Avogadro {
                 RightAxis,     ///< the right axis
                 TopAxis        ///< the top axis
             };
-            
+
         /**
          * The four directions for label shift.
          */
         enum Direction
             {
                 None = 0,
-                Left,  ///< 
+                Left,  ///<
                 Down,    ///<
-                Right,     ///< 
-                Up        ///< 
+                Right,     ///<
+                Up        ///<
             };
-            
+
         /**
          *@return suggested minimum size for the plot widget
          */
@@ -373,6 +373,12 @@ namespace Avogadro {
          */
         void setAntialiasing( bool b );
 
+        /**
+         * Set the axis and tick marker widths. Default width is 1.
+         * @param w The width of the plot axes and tick markers.
+         */
+        void setAxisWidth( int w );
+
         /**
          * @return the number of pixels to the left of the plot area.
          *
@@ -606,7 +612,7 @@ namespace Avogadro {
          * @sa selectPoint() clearAndSelectPoint() selectPoints() clearAndSelectPoints() clearSelection()
          */
         void setPointFollowMouse(bool b);
-        
+
         /**
          * Don't permit moving away from default limits
          */