Solving issue 2290: "Enhanced look"

rtgui/toolpanel.h

@@ -38,6 +38,26 @@ class ToolPanelListener {
         virtual void panelChanged   (rtengine::ProcEvent event, const Glib::ustring& descr) {}
 };
 
+/// @brief This class control the space around the group of tools inside a tab, as well as the space separating each tool. */
+class ToolVBox : public Gtk::VBox {
+    private:
+        void updateStyle();
+
+    public:
+        ToolVBox();
+        void on_style_changed (const Glib::RefPtr<Gtk::Style>& style);
+};
+
+/// @brief This class control the space around a tool's block of parameter. */
+class ToolParamBlock : public Gtk::VBox {
+    private:
+        void updateStyle();
+
+    public:
+        ToolParamBlock();
+        void on_style_changed (const Glib::RefPtr<Gtk::Style>& style);
+};
+
 class ToolPanel {
 
     protected: