ui: gui wrapper extension

- added classes for qt layout abstraction.

review id = 18

src/lib/CMakeLists.txt

@@ -81,6 +81,8 @@ add_files(
 	gui/GuiElement.h
 	gui/GuiElementFactory.cpp
 	gui/GuiElementFactory.h
+	gui/GuiLayout.cpp
+	gui/GuiLayout.h
 	gui/GuiWindow.cpp
 	gui/GuiWindow.h
 	gui/WidgetWrapper.cpp

src/lib/gui/GuiElementFactory.h

@@ -5,6 +5,7 @@
 
 class GuiArea;
 class GuiCanvas;
+class GuiLayout;
 class GuiWindow;
 
 class GuiElementFactory
@@ -14,6 +15,7 @@ public:
 
 	virtual std::shared_ptr<GuiArea> createArea() const = 0;
 	virtual std::shared_ptr<GuiCanvas> createCanvas(std::shared_ptr<GuiWindow> window) const = 0;
+	virtual std::shared_ptr<GuiLayout> createLayout() const = 0;
 };
 
 #endif // GUI_ELEMENT_FACTORY_H

src/lib/gui/GuiLayout.cpp

@@ -0,0 +1,10 @@
+#include "gui/GuiLayout.h"
+
+GuiLayout::GuiLayout(std::shared_ptr<WidgetWrapper> widgetWrapper)
+	: GuiContainer(widgetWrapper)
+{
+}
+
+GuiLayout::~GuiLayout()
+{
+}

src/lib/gui/GuiLayout.h

@@ -0,0 +1,24 @@
+#ifndef GUI_LAYOUT_H
+#define GUI_LAYOUT_H
+
+#include "gui/GuiContainer.h"
+
+class GuiLayout: public GuiContainer
+{
+public:
+	enum LayoutDirectionType
+	{
+		LAYOUT_DIRECTION_HORIZONTAL,
+		LAYOUT_DIRECTION_VERTICAL
+	};
+
+	GuiLayout(std::shared_ptr<WidgetWrapper> widgetWrapper);
+	virtual ~GuiLayout();
+
+	virtual void setDirection(LayoutDirectionType direction) = 0;
+
+	virtual void addChild(std::shared_ptr<GuiElement> element) = 0;
+	virtual void removeChild(std::shared_ptr<GuiElement> element) = 0;
+};
+
+#endif // GUI_LAYOUT_H