Widgets /WidgetBar above of MenuBar

hzdev

Hi,
I'm looking for a solution to put Widgets above of the QMenuBar.
I tried

use QWidget as root-window
add a QVBoxLayout to this widget
add a QMainWindow to the layout
insert another widget at to the layout index 0, so this widget is on top of the QMainWindow

It works, but if you put an QMdiArea as centralWidget into the QMainWindow, create some QMdiSubWindows and maximized one of them the behavior is unexpectable:

The MdiSubWindow maximzed only inside the QMDIArea. It has still it's own titlebar with their controls.
The controls for maximize, normalize, minimize and close don't get to the menubar of the QMainWindow, because doesn't have the Qt::Window - Flag anymore, because it isn't the root-window.
see:
QMdiSubWindowPrivate::setMaximizeMode and
QMdiSubWindowPrivate::menuBar()

What else can I do to get widgets above of the QMenuBar?

Thanks in advance for tips / hints.

SGaist

Hi and welcome to devnet,

Out of curiosity, what are you trying to achieve ? Can you share a picture from that ?

hzdev

OK, I'll give you a code example which shows what I mean.

#include <QApplication>
#include <QString>
#include <QLineEdit>
#include <QMdiArea>
#include <QPushButton>
#include <QVBoxLayout>
#include <QMenu>
#include <QMenuBar>
#include <QToolBar>
#include <QMainWindow>


class CWidgetBar : public QWidget
{
public:
  CWidgetBar()
  {
    QHBoxLayout* pLayout = new QHBoxLayout(this);
    for (int i = 1; i < 10; i++)
    {
      pLayout->addWidget(new QPushButton(QString("I %1").arg(i)));
    }
    pLayout->addWidget(new QLineEdit("lineedit"));
    pLayout->addStretch();
  }
};

int main(int argc, char *argv[])
{
  QApplication a(argc, argv);
  QWidget* pRootWindow = new QWidget();
  QVBoxLayout* pLayout = new QVBoxLayout(pRootWindow);

  //WidgetBar with some buttons...
  CWidgetBar* pWidgetBar = new CWidgetBar();
  pLayout->addWidget(pWidgetBar);

  //MainWindow with Menubar plus a MDIArea as centralWidget with three mdisubwindows
  QMainWindow* pMainWindow = new QMainWindow();
  QMenu* pMenu = new QMenu("&File");
  pMenu->addAction("&Open");
  QAction* pCloseAction = pMenu->addAction("&Close");
  QMenuBar* pMenuBar = pMainWindow->menuBar();
  pMenuBar->addMenu(pMenu);
  QToolBar* pToolBar = new QToolBar();
  pToolBar->addAction(pCloseAction);
  pMainWindow->addToolBar(pToolBar);

  QMdiArea* pMdiAra = new QMdiArea();
  pMainWindow->setCentralWidget(pMdiAra);
  pMdiAra->addSubWindow(new QPushButton("one"));
  pMdiAra->addSubWindow(new QPushButton("two"));
  pMdiAra->addSubWindow(new QPushButton("three"));
  pLayout->addWidget(pMainWindow);

  pRootWindow->show();
  return a.exec();
}

Please maximize one of the mdisubwindows...

hzdev

Here is the screenshot of the example:
alt text
As you can see, the maximized mdisubwindows are maximized only inside the mdiarea still with its own frame and titlebar.

The expected behavior

controls goes to the menubar
the title goes to the titlebar of the rootWindow
the frame and titlebar of the mdisubwindow disappear

SGaist

That's not how it works and not something I would expect either.

The mdi sub-windows will only extend in the mdi area, nothing more.

The behavior you are looking for, you'll have to implement yourself.