colorbutton: implemented management for the color that this button displays

app/widget/colorbutton/colorbutton.cpp

@@ -4,7 +4,8 @@
 
 ColorButton::ColorButton(ColorManager* color_manager, QWidget *parent) :
   QPushButton(parent),
-  color_manager_(color_manager)
+  color_manager_(color_manager),
+  color_processor_(nullptr)
 {
   color_ = Color(1.0f, 1.0f, 1.0f);
 
@@ -13,17 +14,48 @@ ColorButton::ColorButton(ColorManager* color_manager, QWidget *parent) :
   UpdateColor();
 }
 
+const Color &ColorButton::GetColor() const
+{
+  return color_;
+}
+
+void ColorButton::SetColor(const Color &c)
+{
+  color_ = c;
+
+  UpdateColor();
+}
+
 void ColorButton::ShowColorDialog()
 {
-  ColorDialog cd(color_manager_, color_, this);
+  ColorDialog cd(color_manager_, color_, cm_input_, this);
 
   if (cd.exec() == QDialog::Accepted) {
     color_ = cd.GetSelectedColor();
+
+    cm_input_ = cd.GetColorSpaceInput();
+
+    color_processor_ = ColorProcessor::Create(color_manager_->GetConfig(),
+                                              cd.GetColorSpaceInput(),
+                                              cd.GetColorSpaceDisplay(),
+                                              cd.GetColorSpaceView(),
+                                              cd.GetColorSpaceLook());
+
     UpdateColor();
+
+    emit ColorChanged(color_);
   }
 }
 
 void ColorButton::UpdateColor()
 {
-  setStyleSheet(QStringLiteral("ColorButton {background: %1;}").arg(color_.toQColor().name()));
+  QColor managed;
+
+  if (color_processor_) {
+    managed = color_processor_->ConvertColor(color_).toQColor();
+  } else {
+    managed = color_.toQColor();
+  }
+
+  setStyleSheet(QStringLiteral("ColorButton {background: %1;}").arg(managed.name()));
 }

app/widget/colorbutton/colorbutton.h

@@ -12,8 +12,13 @@ class ColorButton : public QPushButton
 public:
   ColorButton(ColorManager* color_manager, QWidget* parent = nullptr);
 
+  const Color& GetColor() const;
+
+public slots:
+  void SetColor(const Color& c);
+
 signals:
-  void ColorChanged();
+  void ColorChanged(const Color& c);
 
 private slots:
   void ShowColorDialog();
@@ -25,6 +30,10 @@ private:
 
   Color color_;
 
+  QString cm_input_;
+
+  ColorProcessorPtr color_processor_;
+
 };
 
 #endif // COLORBUTTON_H