Remember window sizes, add new map popup window (#54)

* save window state on app close

* new map popup window

* window title, groupItem fix

* fix new map heal location generation

* fix newmappopup form size

* empty map name check, increase max dimensions

* tool tips

* delete new window

* fix mainwindow.ui new map action

* use new config for window state

* clean window restore config settings

* extend "Add New Map" to different MapSortOrders

* fix crash when creating new map from unloaded layout

* fix new map from layout extra files

include/ui/newmappopup.h

@@ -0,0 +1,40 @@
+#ifndef NEWMAPPOPUP_H
+#define NEWMAPPOPUP_H
+
+#include <QMainWindow>
+#include <QString>
+#include "editor.h"
+#include "project.h"
+#include "map.h"
+
+namespace Ui {
+class NewMapPopup;
+}
+
+class NewMapPopup : public QMainWindow
+{
+    Q_OBJECT
+public:
+    explicit NewMapPopup(QWidget *parent = nullptr, Project *project = nullptr);
+    ~NewMapPopup();
+    Map *map;
+    int group;
+    bool changeLayout;
+    QString layoutName;
+    void init(int, int, QString, QString);
+    void useLayout(QString);
+
+signals:
+    void applied();
+
+private:
+    Ui::NewMapPopup *ui;
+    Project *project;
+    void setDefaultValues(int, QString);
+
+private slots:
+    void on_pushButton_NewMap_Accept_clicked();
+    void on_lineEdit_NewMap_Name_textChanged(const QString &);
+};
+
+#endif // NEWMAPPOPUP_H