ui: save and load view layout

* QtMainWindow now saves and loads its layout parameters.

src/app/qt/element/QtMainWindow.cpp

@@ -5,6 +5,7 @@
 #include <QDockWidget>
 #include <QMenuBar>
 #include <QMessageBox>
+#include <QSettings>
 
 #include "component/view/View.h"
 #include "qt/QtWidgetWrapper.h"
@@ -86,6 +87,60 @@ void QtMainWindow::removeView(View* view)
 	}
 }
 
+void QtMainWindow::loadLayout()
+{
+	QSettings settings("data/window_settings.ini", QSettings::IniFormat);
+
+	settings.beginGroup("MainWindow");
+	resize(settings.value("size", QSize(600, 400)).toSize());
+	move(settings.value("position", QPoint(200, 200)).toPoint());
+	if (settings.value("maximized", false).toBool())
+	{
+		showMaximized();
+	}
+	settings.endGroup();
+
+	for (size_t i = 0; i < m_dockWidgets.size(); i++)
+	{
+		View* view = m_dockWidgets[i].first;
+		QDockWidget* dockWidget = m_dockWidgets[i].second;
+
+		settings.beginGroup(view->getName().c_str());
+		dockWidget->setFloating(settings.value("floating", false).toBool());
+		dockWidget->setHidden(settings.value("hidden", false).toBool());
+		dockWidget->resize(settings.value("size", QSize(400, 400)).toSize());
+		dockWidget->move(settings.value("position", QPoint(200, 200)).toPoint());
+		settings.endGroup();
+	}
+}
+
+void QtMainWindow::saveLayout()
+{
+	QSettings settings("data/window_settings.ini", QSettings::IniFormat);
+
+	settings.beginGroup("MainWindow");
+	settings.setValue("maximized", isMaximized());
+	if (!isMaximized())
+	{
+		settings.setValue("size", size());
+		settings.setValue("position", pos());
+	}
+	settings.endGroup();
+
+	for (size_t i = 0; i < m_dockWidgets.size(); i++)
+	{
+		View* view = m_dockWidgets[i].first;
+		QDockWidget* dockWidget = m_dockWidgets[i].second;
+
+		settings.beginGroup(view->getName().c_str());
+		settings.setValue("floating", dockWidget->isFloating());
+		settings.setValue("hidden", dockWidget->isHidden());
+		settings.setValue("size", dockWidget->size());
+		settings.setValue("position", dockWidget->pos());
+		settings.endGroup();
+	}
+}
+
 void QtMainWindow::setupProjectMenu()
 {
 	QMenu *menu = new QMenu(tr("&Project"), this);

src/app/qt/element/QtMainWindow.h

@@ -20,6 +20,9 @@ public:
 	void addView(View* view);
 	void removeView(View* view);
 
+	void loadLayout();
+	void saveLayout();
+
 public slots:
     void about();
     void newProject();

src/app/qt/view/QtMainView.cpp

@@ -31,3 +31,13 @@ void QtMainView::removeView(View* view)
 	m_window->removeView(view);
 	m_views.erase(it);
 }
+
+void QtMainView::loadLayout()
+{
+	m_window->loadLayout();
+}
+
+void QtMainView::saveLayout()
+{
+	m_window->saveLayout();
+}

src/app/qt/view/QtMainView.h

@@ -19,6 +19,9 @@ public:
 	void addView(View* view);
 	void removeView(View* view);
 
+	virtual void loadLayout();
+	virtual void saveLayout();
+
 private:
 	std::shared_ptr<QtMainWindow> m_window;
 	std::vector<View*> m_views;