Minor refactor in skin properties

- Add get_skin_property(ui::Widget*) function to avoid duplicating code
  to create a SkinProperty.
- A SkinSliderProperty is not a SkinProperty: now it has its own name.

src/app/modules/gui.cpp

@@ -404,30 +404,17 @@ void setup_mini_look(Widget* widget)
 
 void setup_look(Widget* widget, LookType lookType)
 {
-  SharedPtr<SkinProperty> skinProp;
-
-  skinProp = widget->getProperty(SkinProperty::SkinPropertyName);
-  if (skinProp == NULL)
-    skinProp.reset(new SkinProperty);
-
+  SkinPropertyPtr skinProp = get_skin_property(widget);
   skinProp->setLook(lookType);
-  widget->setProperty(skinProp);
 }
 
 void setup_bevels(Widget* widget, int b1, int b2, int b3, int b4)
 {
-  SharedPtr<SkinProperty> skinProp;
-
-  skinProp = widget->getProperty(SkinProperty::SkinPropertyName);
-  if (skinProp == NULL)
-    skinProp.reset(new SkinProperty);
-
+  SkinPropertyPtr skinProp = get_skin_property(widget);
   skinProp->setUpperLeft(b1);
   skinProp->setUpperRight(b2);
   skinProp->setLowerLeft(b3);
   skinProp->setLowerRight(b4);
-
-  widget->setProperty(skinProp);
 }
 
 // Sets the IconInterface pointer interface of the button to show the

src/app/ui/color_sliders.cpp

@@ -128,7 +128,7 @@ void ColorSliders::addSlider(Channel channel, const char* labelText, int min, in
   m_entry.push_back(entry);
   m_channel.push_back(channel);
 
-  slider->setProperty(PropertyPtr(new SkinSliderProperty(new ColorSliderBgPainter(channel))));
+  slider->setProperty(SkinSliderPropertyPtr(new SkinSliderProperty(new ColorSliderBgPainter(channel))));
   slider->setDoubleBuffered(true);
 
   slider->Change.connect(Bind<void>(&ColorSliders::onSliderChange, this, m_slider.size()-1));
@@ -201,7 +201,7 @@ void ColorSliders::updateSlidersBgColor(const app::Color& color)
 
 void ColorSliders::updateSliderBgColor(Slider* slider, const app::Color& color)
 {
-  SharedPtr<SkinSliderProperty> sliderProperty(slider->getProperty("SkinProperty"));
+  SkinSliderPropertyPtr sliderProperty(slider->getProperty(SkinSliderProperty::Name));
 
   static_cast<ColorSliderBgPainter*>(sliderProperty->getBgPainter())->setColor(color);
 

src/app/ui/skin/skin_property.cpp

@@ -22,13 +22,15 @@
 
 #include "app/ui/skin/skin_property.h"
 
+#include "ui/widget.h"
+
 namespace app {
 namespace skin {
 
-const char* SkinProperty::SkinPropertyName = "SkinProperty";
+const char* SkinProperty::Name = "SkinProperty";
 
 SkinProperty::SkinProperty()
-  : Property(SkinPropertyName)
+  : Property(Name)
 {
   m_look = NormalLook;
   m_upperLeft = 0;
@@ -41,5 +43,18 @@ SkinProperty::~SkinProperty()
 {
 }
 
+SkinPropertyPtr get_skin_property(ui::Widget* widget)
+{
+  SkinPropertyPtr skinProp;
+
+  skinProp = widget->getProperty(SkinProperty::Name);
+  if (skinProp == NULL) {
+    skinProp.reset(new SkinProperty);
+    widget->setProperty(skinProp);
+  }
+
+  return skinProp;
+}
+
 } // namespace skin
 } // namespace app

src/app/ui/skin/skin_property.h

@@ -19,8 +19,13 @@
 #ifndef APP_UI_SKIN_SKIN_PROPERTY_H_INCLUDED
 #define APP_UI_SKIN_SKIN_PROPERTY_H_INCLUDED
 
+#include "base/shared_ptr.h"
 #include "ui/property.h"
 
+namespace ui {
+  class Widget;
+}
+
 namespace app {
   namespace skin {
 
@@ -35,7 +40,7 @@ namespace app {
     // Property to show widgets with a special look (e.g.: buttons or sliders with mini-borders)
     class SkinProperty : public ui::Property {
     public:
-      static const char* SkinPropertyName;
+      static const char* Name;
 
       SkinProperty();
       ~SkinProperty();
@@ -61,6 +66,10 @@ namespace app {
       int m_lowerRight;
     };
 
+    typedef SharedPtr<SkinProperty> SkinPropertyPtr;
+
+    SkinPropertyPtr get_skin_property(ui::Widget* widget);
+
   } // namespace skin
 } // namespace app
 

src/app/ui/skin/skin_slider_property.cpp

@@ -25,8 +25,11 @@
 namespace app {
 namespace skin {
 
+const char* SkinSliderProperty::Name = "SkinSliderProperty";
+
 SkinSliderProperty::SkinSliderProperty(ISliderBgPainter* painter)
-  : m_painter(painter)
+  : Property(Name)
+  , m_painter(painter)
 {
 }
 

src/app/ui/skin/skin_slider_property.h

@@ -19,8 +19,9 @@
 #ifndef APP_UI_SKIN_SKIN_SLIDER_PROPERTY_H_INCLUDED
 #define APP_UI_SKIN_SKIN_SLIDER_PROPERTY_H_INCLUDED
 
-#include "gfx/rect.h"
 #include "app/ui/skin/skin_property.h"
+#include "base/shared_ptr.h"
+#include "gfx/rect.h"
 
 namespace ui {
   class Slider;
@@ -35,8 +36,10 @@ namespace app {
       virtual void paint(ui::Slider* slider, ui::Graphics* graphics, const gfx::Rect& rc) = 0;
     };
 
-    class SkinSliderProperty : public SkinProperty {
+    class SkinSliderProperty : public ui::Property {
     public:
+      static const char* Name;
+
       // The given painter is deleted automatically when this
       // property the destroyed.
       SkinSliderProperty(ISliderBgPainter* painter);
@@ -48,6 +51,8 @@ namespace app {
       ISliderBgPainter* m_painter;
     };
 
+    typedef SharedPtr<SkinSliderProperty> SkinSliderPropertyPtr;
+
   } // namespace skin
 } // namespace app
 

src/app/ui/skin/skin_theme.cpp

@@ -851,7 +851,7 @@ void SkinTheme::paintButton(PaintEvent& ev)
 
   // Tool buttons are smaller
   LookType look = NormalLook;
-  SharedPtr<SkinProperty> skinPropery = widget->getProperty(SkinProperty::SkinPropertyName);
+  SkinPropertyPtr skinPropery = widget->getProperty(SkinProperty::Name);
   if (skinPropery != NULL)
     look = skinPropery->getLook();
 
@@ -926,7 +926,7 @@ void SkinTheme::paintCheckBox(PaintEvent& ev)
 
   // Check box look
   LookType look = NormalLook;
-  SharedPtr<SkinProperty> skinPropery = widget->getProperty(SkinProperty::SkinPropertyName);
+  SkinPropertyPtr skinPropery = widget->getProperty(SkinProperty::Name);
   if (skinPropery != NULL)
     look = skinPropery->getLook();
 
@@ -990,7 +990,7 @@ void SkinTheme::paintEntry(PaintEvent& ev)
   y2 = widget->getBounds().y2()-1;
 
   bool isMiniLook = false;
-  SharedPtr<SkinProperty> skinPropery = widget->getProperty(SkinProperty::SkinPropertyName);
+  SkinPropertyPtr skinPropery = widget->getProperty(SkinProperty::Name);
   if (skinPropery != NULL)
     isMiniLook = (skinPropery->getLook() == MiniLook);
 
@@ -1404,12 +1404,13 @@ void SkinTheme::paintSlider(PaintEvent& ev)
   // customized background (e.g. RGB sliders)
   ISliderBgPainter* bgPainter = NULL;
 
-  SharedPtr<SkinProperty> skinPropery = widget->getProperty(SkinProperty::SkinPropertyName);
+  SkinPropertyPtr skinPropery = widget->getProperty(SkinProperty::Name);
   if (skinPropery != NULL)
     isMiniLook = (skinPropery->getLook() == MiniLook);
 
-  if (SkinSliderProperty* sliderProperty = dynamic_cast<SkinSliderProperty*>(skinPropery.get()))
-    bgPainter = sliderProperty->getBgPainter();
+  SkinSliderPropertyPtr skinSliderPropery = widget->getProperty(SkinSliderProperty::Name);
+  if (skinSliderPropery != NULL)
+    bgPainter = skinSliderPropery->getBgPainter();
 
   // Draw customized background
   if (bgPainter) {