I have a frameless QQuickWindow, and I want to move it with the mouse by dragging. Before trying in my big application, I have created a simple test application to try what I found here, using cursor position from C++ class to avoid problems from QML:
http://www.tickanswer.com/solved/539...jiggles-in-qml

But I failed with the code below. When I press over the red RECT and move the mouse, my yellow rect (root RECT) moves, but only inside the original size it had (in this case, 500x500)... What am I doing wrong?

Thanks in advance


In my main.cpp:
Qt Code: 
  1. int main(int argc, char *argv[])
  2. {   
  3.     QtQuickControlsApplication a(argc, argv);
  4.  
  5.     QQuickView* pView = new QQuickView();
  6.  
  7.     CursorPosProvider mousePosProvider;
  8.     pView->rootContext()->setContextProperty("mousePosition", &mousePosProvider);
  9.     pView->setSource(QUrl("qrc:/Test.qml"));
  10.     pView->setFlags(Qt::FramelessWindowHint);
  11.     pView->show();
  12.  
  13.     return a.exec();
  14. }
To copy to clipboard, switch view to plain text mode 
Test.qml:

Qt Code: 
  1. import QtQuick 2.0
  2.  
  3. Rectangle {
  4.     id: myWindow
  5.     width: 500; height: 500
  6.     color: "yellow"
  7.  
  8.     Rectangle {
  9.         anchors.centerIn: parent
  10.         width: 200; height: 200
  11.  
  12.         color: "red"
  13.  
  14.         MouseArea {
  15.             id: titleBarMouseRegion
  16.             property var clickPos
  17.             anchors.fill: parent
  18.  
  19.             onPressed:  clickPos = { x: mousePosition.cursorPos().x, y: mousePosition.cursorPos().y }
  20.  
  21.             onPositionChanged: {
  22.                 myWindow.x = mousePosition.cursorPos().x - clickPos.x
  23.                 myWindow.y = mousePosition.cursorPos().y - clickPos.y
  24.             }
  25.         }
  26.     }
  27. }
To copy to clipboard, switch view to plain text mode 

cursorprovider.h:

Qt Code: 
  1. #ifndef CURSORPOSPROVIDER_H
  2. #define CURSORPOSPROVIDER_H
  3.  
  4. #include <QObject>
  5. #include <QPointF>
  6. #include <QCursor>
  7.  
  8. class CursorPosProvider : public QObject
  9. {
  10.     Q_OBJECT
  11. public:
  12.     explicit CursorPosProvider(QObject *parent = nullptr) : QObject(parent)
  13.     {
  14.     }
  15.     virtual ~CursorPosProvider() = default;
  16.  
  17.     Q_INVOKABLE QPointF cursorPos()
  18.     {
  19.         return QCursor::pos();
  20.     }
  21. };
  22.  
  23. #endif // CURSORPOSPROVIDER_H
To copy to clipboard, switch view to plain text mode