ui: Refactored windows to QtWindow base class

* renamed QtSettingsWindow to QtWindow
* moved functionality from QtProjectWizzardWindow to QtWindow
* use common createWindow method in QtMainWindow

src/lib_gui/qt/window/QtAboutLicense.cpp

@@ -12,8 +12,10 @@
 #include "isTrial.h"
 
 QtAboutLicense::QtAboutLicense(QWidget *parent)
-	: QtSettingsWindow(parent)
+	: QtWindow(parent)
 {
+	setScrollAble(true);
+
 	raise();
 }
 
@@ -22,15 +24,6 @@ QSize QtAboutLicense::sizeHint() const
 	return QSize(600,600);
 }
 
-void QtAboutLicense::setup()
-{
-	setupForm();
-
-	updateTitle("3rd Party Licenses");
-	updateDoneButton("Ok");
-	hideCancelButton(true);
-}
-
 void QtAboutLicense::populateWindow(QWidget* widget)
 {
 	QVBoxLayout* layout = new QVBoxLayout(widget);
@@ -63,11 +56,11 @@ void QtAboutLicense::populateWindow(QWidget* widget)
 	widget->setLayout(layout);
 }
 
-void QtAboutLicense::handleCancelButtonPress()
+void QtAboutLicense::windowReady()
 {
-}
+	updateTitle("3rd Party Licenses");
+	updateCloseButton("Close");
 
-void QtAboutLicense::handleUpdateButtonPress()
-{
-	emit finished();
+	setNextVisible(false);
+	setPreviousVisible(false);
 }