Custom QMainWindow



  • Hi guys, i'm trying to make a custom window, i can do this using this code, but i can't resize because of the fixed size, and i can't move only in the Titlebar (custom title bar), in any place i can move, how move only in the titlebar?.

    MyWindow.h
    @#include <QMainWindow>
    #include <QLabel>
    #include <QPushButton>
    #include <QMouseEvent>

    class MyWindow : public QMainWindow {
    Q_OBJECT
    private:
    QLabel *label_title,*label_quit;
    QPushButton *bn_exit;
    QPixmap *pixmap;
    QPoint m_dragPosition;

    public:
    MyWindow(QMainWindow *parent = 0, Qt::WindowFlags flags = 0);
    protected:
    void paintEvent(QPaintEvent *event);
    void mouseMoveEvent(QMouseEvent *event);
    void mousePressEvent(QMouseEvent *event);
    };@

    MyWindow.cpp
    @#include "MyWindow.h"
    #include <QApplication>
    #include <QPainter>
    #include <QLabel>

    MyWindow::MyWindow(QMainWindow *parent, Qt::WindowFlags flags) : QMainWindow(parent,flags) {

    resize(1024,576);
    setWindowTitle("Versuch1");
    
    //Titel
    label_title = new QLabel("irgendwas",this);
    label_title->setGeometry(10,10,500,40);
    label_title->setStyleSheet("font-family: Arial; letter-spacing: 4px;font-weight:bold; color : white;font-size: 30px");
    
    //Exit-Button
    bn_exit = new QPushButton("[Exit]",this);
    bn_exit->setGeometry(975,10,40,20);
    bn_exit->setStyleSheet("QPushButton {font-family: Verdana; font-size:15px; top:0px; border: none; background-color:#101010; color:white} QPushButton:hover {color: red }");
    connect(bn_exit,SIGNAL(clicked()),qApp,SLOT(quit()));
    

    }

    void MyWindow::paintEvent(QPaintEvent *event) // Painter
    {
    QPainter painter(this);
    painter.setPen(Qt::NoPen); // deactivate Border

    painter.setBrush(QBrush("#101010")); // black title and footer
    painter.drawRect(0, 0, 1024, 60);

    painter.setBrush(QBrush("#101010"));
    painter.drawRect(0, 516, 1024, 576);
    }
    void MyWindow::mouseMoveEvent(QMouseEvent *event)
    {
    if (event->buttons() & Qt::LeftButton) {
    move(event->globalPos() - m_dragPosition);
    event->accept();
    }
    }
    void MyWindow::mousePressEvent(QMouseEvent *event)
    {
    if (event->button() == Qt::LeftButton) {
    m_dragPosition = event->globalPos() - frameGeometry().topLeft();
    event->accept();
    }
    }@

    main.cpp
    @#include <QApplication>
    #include "MyWindow.h"

    int main(int argc, char argv[]) {
    QApplication app(argc, argv);
    MyWindow
    window = new MyWindow(0, Qt::FramelessWindowHint);
    window->show();
    return app.exec();
    }@


  • Moderators

    when i got you right you want to move the main window with the "label_title":
    @
    label_title->installEventFilter(this);
    ...
    bool MyWindow::eventFilter(QObject* watched, QEvent* event)
    {
    if( watched == label_title )
    {
    switch( event->type() )
    {
    case QEvent::MousePress:
    {
    QMouseEvent* me = static_cast<QMouseEvent*>(event);
    if( me->button() == Qt::LeftButton )
    {
    m_MovingState = true;
    m_MovingPos = me->globalPos();
    }
    }
    break;
    case QEvent::MouseMove:
    {
    if( m_MovingState )
    {
    QMouseEvent* me = static_cast<QMouseEvent*>(event);
    m_State = Moving;
    this->move( this->pos() + (me->globalPos() - m_MovingPos) );
    m_MovingPos = me->globalPos();
    }
    }
    break;
    case QEvent::MouseRelease:
    {
    QMouseEvent* me = static_cast<QMouseEvent*>(event);
    if( me->button() == Qt::LeftButton )
    m_MovingState = false;
    }
    break;
    }
    }
    }
    @

    Not tested though...but it should give you an idea..


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