ui: implemented gui abstraction and dummy view

- added abstract class tree for gui elements.
- implemented concrete gui classes that wrap the qt specific content.
- implemented first DummyView which plays nice with the ViewManager.

review id = 12

src/app/qt/QtElementFactory.cpp

@@ -1,5 +1,9 @@
 #include "qt/QtElementFactory.h"
 
+#include "qt/element/QtArea.h"
+#include "qt/element/QtCanvas.h"
+#include "qt/QtWindow.h"
+
 QtElementFactory::QtElementFactory()
 {
 }
@@ -7,3 +11,15 @@ QtElementFactory::QtElementFactory()
 QtElementFactory::~QtElementFactory()
 {
 }
+
+std::shared_ptr<GuiArea> QtElementFactory::createArea() const
+{
+	return std::make_shared<QtArea>();
+}
+
+std::shared_ptr<GuiCanvas> QtElementFactory::createCanvas(std::shared_ptr<GuiWindow> window) const
+{
+	std::shared_ptr<GuiCanvas> canvas = std::make_shared<QtCanvas>();
+	window->setCanvas(canvas);
+	return canvas;
+}

src/app/qt/QtElementFactory.h

@@ -3,11 +3,18 @@
 
 #include "gui/GuiElementFactory.h"
 
+class GuiArea;
+class GuiCanvas;
+class GuiWindow;
+
 class QtElementFactory: public GuiElementFactory
 {
 public:
 	QtElementFactory();
-	~QtElementFactory();
+	virtual ~QtElementFactory();
+
+	virtual std::shared_ptr<GuiArea> createArea() const;
+	virtual std::shared_ptr<GuiCanvas> createCanvas(std::shared_ptr<GuiWindow> window) const;
 };
 
 # endif // QT_ELEMENT_FACTORY_H

src/app/qt/QtWidgetWrapper.cpp

@@ -0,0 +1,38 @@
+#include "qt/QtWidgetWrapper.h"
+
+#include "gui/GuiElement.h"
+#include "utility/logging/logging.h"
+
+std::shared_ptr<QWidget> QtWidgetWrapper::getWidgetOfElement(std::shared_ptr<GuiElement> element)
+{
+	return getWidgetOfElement(element.get());
+}
+
+std::shared_ptr<QWidget> QtWidgetWrapper::getWidgetOfElement(GuiElement* element)
+{
+	std::shared_ptr<QWidget> widget;
+	std::shared_ptr<QtWidgetWrapper> qtWidgetWrapper = std::dynamic_pointer_cast<QtWidgetWrapper>(element->getWidgetWrapper());
+	if (!qtWidgetWrapper || qtWidgetWrapper.use_count() == 0)
+	{
+		LOG_ERROR("Trying to get the qt widget of non qt gui element.");
+	}
+	else
+	{
+		widget = qtWidgetWrapper->getWidget();
+	}
+	return widget;
+}
+
+QtWidgetWrapper::QtWidgetWrapper(std::shared_ptr<QWidget> widget)
+	: m_widget(widget)
+{
+}
+
+QtWidgetWrapper::~QtWidgetWrapper()
+{
+}
+
+std::shared_ptr<QWidget> QtWidgetWrapper::getWidget()
+{
+	return m_widget;
+}

src/app/qt/QtWidgetWrapper.h

@@ -0,0 +1,27 @@
+#ifndef QT_WIDGET_WRAPPER_H
+#define QT_WIDGET_WRAPPER_H
+
+#include <memory>
+
+#include <QtWidgets/qwidget.h>
+
+#include "gui/WidgetWrapper.h"
+
+class GuiElement;
+
+class QtWidgetWrapper: public WidgetWrapper
+{
+public:
+	static std::shared_ptr<QWidget> getWidgetOfElement(std::shared_ptr<GuiElement> element);
+	static std::shared_ptr<QWidget> getWidgetOfElement(GuiElement* element);
+
+	QtWidgetWrapper(std::shared_ptr<QWidget> widget);
+	virtual ~QtWidgetWrapper();
+
+	std::shared_ptr<QWidget> getWidget(); // not const because returned widget can be changed.
+
+private:
+	std::shared_ptr<QWidget> m_widget;
+};
+
+#endif // QT_WIDGET_WRAPPER_H

src/app/qt/QtWindow.cpp

@@ -0,0 +1,19 @@
+#include "qt/QtWindow.h"
+
+#include "gui/GuiCanvas.h"
+#include "QtWidgetWrapper.h"
+
+QtWindow::QtWindow()
+{
+	m_window.setObjectName("QtWindow");
+	m_window.show();
+}
+
+QtWindow::~QtWindow()
+{
+}
+
+void QtWindow::setCanvas(std::shared_ptr<GuiCanvas> canvas)
+{
+	m_window.setCentralWidget(QtWidgetWrapper::getWidgetOfElement(canvas).get());
+}

src/app/qt/QtWindow.h

@@ -0,0 +1,24 @@
+#ifndef QT_WINDOW_H
+#define QT_WINDOW_H
+
+#include <memory>
+
+#include <QtWidgets/QMainWindow>
+
+#include "gui/GuiWindow.h"
+
+class GuiCanvas;
+
+class QtWindow: public GuiWindow
+{
+public:
+	QtWindow();
+	~QtWindow();
+
+	void setCanvas(std::shared_ptr<GuiCanvas> canvas);
+
+private:
+	QMainWindow m_window;
+};
+
+# endif // QT_WINDOW_H

src/app/qt/element/QtArea.cpp

@@ -0,0 +1,43 @@
+#include "qt/element/QtArea.h"
+
+#include <qframe.h>
+
+#include "qt/QtWidgetWrapper.h"
+#include "utility/utilityQt.h"
+
+QtArea::QtArea()
+	: GuiArea(std::make_shared<QtWidgetWrapper>(std::make_shared<QFrame>()))
+{
+}
+
+QtArea::~QtArea()
+{
+}
+
+void QtArea::setPosition(Vec2i position)
+{
+}
+
+Vec2i QtArea::getPosition() const
+{
+	return Vec2i();
+}
+
+void QtArea::setSize(Vec2i size)
+{
+}
+
+Vec2i QtArea::getSize() const
+{
+	return Vec2i();
+}
+
+void QtArea::setBackgroundColor(Colori color)
+{
+	utility::setWidgetBackgroundColor(getWidget(), color);
+}
+
+std::shared_ptr<QWidget> QtArea::getWidget()
+{
+	return QtWidgetWrapper::getWidgetOfElement(this);
+}

src/app/qt/element/QtArea.h

@@ -0,0 +1,25 @@
+#ifndef QT_AREA_H
+#define QT_AREA_H
+
+#include <qwidget.h>
+
+#include "gui/GuiArea.h"
+
+class QtArea: public GuiArea
+{
+public:
+	QtArea();
+	virtual ~QtArea();
+
+	virtual void setPosition(Vec2i position);
+	virtual Vec2i getPosition() const;
+	virtual void setSize(Vec2i size);
+	virtual Vec2i getSize() const;
+
+	virtual void setBackgroundColor(Colori color);
+
+private:
+	std::shared_ptr<QWidget> getWidget();
+};
+
+# endif // QT_AREA_H

src/app/qt/element/QtCanvas.cpp

@@ -0,0 +1,59 @@
+#include "qt/element/QtCanvas.h"
+
+#include <qgroupbox.h>
+#include <qlayout.h>
+
+#include "qt/QtWidgetWrapper.h"
+#include "utility/utilityQt.h"
+
+QtCanvas::QtCanvas()
+	: GuiCanvas(std::make_shared<QtWidgetWrapper>(std::make_shared<QGroupBox>()))
+{
+	QBoxLayout *layout = new QBoxLayout(QBoxLayout::TopToBottom); // gets deleted by qt
+	getWidget()->setLayout(layout);
+}
+
+QtCanvas::~QtCanvas()
+{
+}
+
+void QtCanvas::addChild(std::shared_ptr<GuiElement> element)
+{
+	getWidget()->layout()->addWidget(QtWidgetWrapper::getWidgetOfElement(element).get());
+}
+
+void QtCanvas::removeChild(std::shared_ptr<GuiElement> element)
+{
+	std::shared_ptr<QWidget> widgetToRemove = QtWidgetWrapper::getWidgetOfElement(element);
+	getWidget()->layout()->removeWidget(widgetToRemove.get());
+	widgetToRemove->setGeometry(0, 0, 0, 0);
+}
+
+void QtCanvas::setPosition(Vec2i position)
+{
+}
+
+Vec2i QtCanvas::getPosition() const
+{
+	return Vec2i();
+}
+
+void QtCanvas::setSize(Vec2i size)
+{
+}
+
+Vec2i QtCanvas::getSize() const
+{
+	return Vec2i();
+}
+
+void QtCanvas::setBackgroundColor(Colori color)
+{
+	utility::setWidgetBackgroundColor(getWidget(), color);
+}
+
+std::shared_ptr<QWidget> QtCanvas::getWidget()
+{
+	return QtWidgetWrapper::getWidgetOfElement(this);
+}
+

src/app/qt/element/QtCanvas.h

@@ -0,0 +1,29 @@
+#ifndef QT_CANVAS_H
+#define QT_CANVAS_H
+
+#include <qwidget.h>
+#include <QtWidgets/QMainWindow>
+
+#include "gui/GuiCanvas.h"
+
+class QtCanvas: public GuiCanvas
+{
+public:
+	QtCanvas();
+	virtual ~QtCanvas();
+
+	virtual void addChild(std::shared_ptr<GuiElement> element);
+	virtual void removeChild(std::shared_ptr<GuiElement> element);
+
+	virtual void setPosition(Vec2i position);
+	virtual Vec2i getPosition() const;
+	virtual void setSize(Vec2i size);
+	virtual Vec2i getSize() const;
+
+	virtual void setBackgroundColor(Colori color);
+
+private:
+	std::shared_ptr<QWidget> getWidget();
+};
+
+# endif // QT_CANVAS_H