Made window moveable

loginwindow.cpp

@@ -20,3 +20,20 @@ void LoginWindow::on_closeButton_clicked()
 {
     this->close();
 }
+
+
+void LoginWindow::mousePressEvent(QMouseEvent *evt)
+{
+    mOldPos = evt->globalPos();
+}
+
+void LoginWindow::mouseMoveEvent(QMouseEvent *evt)
+{
+    const QPoint delta = evt->globalPos() - mOldPos;
+    if (false)
+        // if locked, ignore delta on y axis, stay at the top
+        move(x()+delta.x(), y());
+    else
+        move(x()+delta.x(), y()+delta.y());
+    mOldPos = evt->globalPos();
+}

loginwindow.h

@@ -7,6 +7,7 @@
 #pragma once
 
 #include <QDialog>
+#include <QMouseEvent>
 
 QT_BEGIN_NAMESPACE
 namespace Ui { class LoginWindow; }
@@ -20,9 +21,14 @@ public:
     LoginWindow(QWidget *parent = nullptr);
     ~LoginWindow();
 
+protected:
+        void mousePressEvent(QMouseEvent *evt);
+        void mouseMoveEvent(QMouseEvent *evt);
+
 private slots:
     void on_closeButton_clicked();
 
 private:
     Ui::LoginWindow *ui;
+    QPoint mOldPos;
 };

loginwindow.ui

@@ -9,8 +9,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>337</width>
-    <height>600</height>
+    <width>330</width>
+    <height>501</height>
    </rect>
   </property>
   <property name="windowTitle">