ENH: Added the property displayColorName.

By default, after color selection the button text shows the color name as
 hexcode.  The new methods allow to disable this behavior to keep the button
 text after a color update.

Libs/Widgets/ctkColorPickerButton.cpp

@@ -36,6 +36,7 @@ ctkColorPickerButton::ctkColorPickerButton(QWidget* _parent)
   this->setColor(Qt::black);
 
   this->setCheckable(true);
+  this->setDisplayColorName(true);
 }
 
 //-----------------------------------------------------------------------------
@@ -47,6 +48,7 @@ ctkColorPickerButton::ctkColorPickerButton(const QString& _text, QWidget* _paren
 
   // Customize
   this->setCheckable(true);
+  this->setDisplayColorName(true);
 }
 
 //-----------------------------------------------------------------------------
@@ -60,6 +62,7 @@ ctkColorPickerButton::ctkColorPickerButton(const QColor& _color,
 
   // Customize
   this->setCheckable(true);
+  this->setDisplayColorName(true);
 }
 
 //-----------------------------------------------------------------------------
@@ -84,6 +87,12 @@ void ctkColorPickerButton::onToggled(bool change)
 }
 
 //-----------------------------------------------------------------------------
+void ctkColorPickerButton::setDisplayColorName(bool displayColorName)
+{
+  this->DisplayColorName = displayColorName;
+}
+
+//-----------------------------------------------------------------------------
 void ctkColorPickerButton::setColor(const QColor& newColor)
 {
   if (newColor == this->Color)
@@ -100,7 +109,12 @@ void ctkColorPickerButton::setColor(const QColor& newColor)
   p.drawRect(2, 2, pix.width() - 5, pix.height() - 5);
 
   this->setIcon(QIcon(pix));
-  this->setText(newColor.name());
+  
+  // Update the button text to the color name, if selected
+  if (this->DisplayColorName)
+    {
+    this->setText(newColor.name());
+    }
   
   this->Color = newColor;
   emit colorChanged(this->Color);
@@ -111,3 +125,10 @@ QColor ctkColorPickerButton::color()const
 {
   return this->Color;
 }
+
+//-----------------------------------------------------------------------------
+bool ctkColorPickerButton::displayColorName()const
+{
+  return this->DisplayColorName;
+}
+

Libs/Widgets/ctkColorPickerButton.h

@@ -37,6 +37,7 @@ class CTK_WIDGETS_EXPORT ctkColorPickerButton : public QPushButton
 {
   Q_OBJECT
   Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged USER true)
+  Q_PROPERTY(bool displayColorName READ displayColorName WRITE setDisplayColorName DESIGNABLE true)
 public:
   /// By default, the color is black
   explicit ctkColorPickerButton(QWidget* parent = 0);
@@ -44,11 +45,15 @@ public:
   explicit ctkColorPickerButton(const QString& text, QWidget* parent = 0 );
   explicit ctkColorPickerButton(const QColor& color, const QString & text, QWidget* parent = 0 );
   virtual ~ctkColorPickerButton();
-  
+ 
   ///
   /// Current selected color
   QColor color()const;
 
+  ///
+  /// Display the color name after color selection
+  bool displayColorName()const;
+
 public slots:
   ///
   /// Set a new current color without opening a dialog
@@ -58,6 +63,11 @@ public slots:
   /// Opens a color dialog to select a new current color.
   void changeColor();
 
+  ///
+  /// Toggle the display of the color name after color selection.
+  /// By default, this is activated.
+  void setDisplayColorName(bool displayColorName);
+
 signals:
   /// colorChanged is fired anytime a new color is set. Programatically or
   /// by the user when choosing a color from the color dialog
@@ -68,6 +78,7 @@ protected slots:
 
 protected:
   QColor Color;
+  bool DisplayColorName;
 };
 
 #endif