Borders for the QDockWidget 4.8

N.Sumi

Hello all,

Can someone suggest me, how to set the " Real borders " for the QDockwidget. Usually Dock comes with no border and only with tittle bar. I want to set the "real border" with color, for the Dock I made some search on google , it does not help me.
I am using Qt 4.8.5 on Win10.

check the Image

thanks and regards,
Sumi.

Nouriemm

@N.Sumi
Try to google Customizing QDockWidget or
check this link:
http://doc.qt.io/qt-4.8/stylesheet-examples.html#customizing-qdockwidget

cheers

N.Sumi

Hi @Nouriemm ,

Thank you.
I tested those Style Sheets.They gave me border inside the Dock. But I am looking for Real Borders for the Dock.

thanks,
Sumi.

SGaist

Hi,

The windows decoration themselves are not handle by Qt but by the current Window Manager you are using. Which is it ?

Chris Kawa

@N.Sumi said:

Usually Dock comes with no border and only with tittle bar.

When dock is detached it is displayed as Tool window (has Qt::Tool window flag). Whether it has a visible border or not depends on the window manager. In Windows 10 tool windows have no visible border except for a shadow you can grab to resize. That's not the case in previous versions of Windows though, which provided a thinner border for tool windows.

I want to set the "real border"

If by "real border" you mean a border used for normal windows (not tool windows), which in Windows 10 is a thin colored line, then you'll have to change windows flags of the dock manually when it is detached from main window. Below is a proof-of-concept quality example of a QDockWidget that does that:

class MyDockWidget : public QDockWidget
{
public:
    MyDockWidget(const QString& title, QWidget* parent = nullptr)
        : QDockWidget(title, parent), detached(false)
    {
        connect(this, &MyDockWidget::topLevelChanged, [&](bool topLevel)
        {
            detached = topLevel; //can't change flags while window is still dragged so just mark as detached
        });
    }

    bool event(QEvent* evt) override
    {
        if(evt->type() == QEvent::WindowActivate && detached)
        {
            detached = false;
            setWindowFlags(Qt::Window); //adjust flags to add whatever you need e.g. Qt::WindowCloseButtonHint
            show(); //changing flags hides the window so show it again
        }
        return QDockWidget::event(evt);
    }

private:
    bool detached;
};

N.Sumi

@ Chris Kawa

Yes, It solved the issue . Thanks