@poggers
What do you mean by this "separate window"? Are you talking about the popup, see dateEditEnabled, also Using a Pop-up Calendar Widget? Or something else?

Now it is working here, I connect the buttons action to the calendar using:

currentDate.setFullYear(aNewYear, aNewMonth, aNewDay); calendar.selectedDate = new Date(aNewYear, aNewMonth, aNewDay); calendar.update();

Now I have a calendar and a custom navigation bar

thanks for all!

@Nathaniel
why do you believe this is "sloppy"?! Actually it is the exact difference.
In common UX concepts you select only with left mouse button and show a context menu with right mouse button.

To get events you can install an eventfilter on the view:

calendarWidget->findChild<QTableView*>("qt_calendar_calendarview")->installEventFilter( this );

Hi
The signal Activated also triggers for db clicks.
so

connect(ui->calendarWidget, QCalendarWidget::activated, this , MainWindow::CalendarDBClick); and the slot function public slots: void CalendarDBClick(const QDate& Date) { setWindowTitle(Date.toString("dd.MM.yyyy")); }

No need to subclass, just hook up signal.

@mrjj
Oh thank you very much. It's a good thing to learn!

You're welcome !

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you mean the calendar Widget ?
As far as I know, it has no concept of appointments so even that it supports styling, it is not really
possible to by styling.

But, you can quite easy draw it yourself and add the needed support for appointment.

https://wiki.qt.io/How_to_create_a_custom_calender_widget

To decrease the size of QCalendarWidget you have to find the QTableView inside QCalendarWidget and then set the headers size to zero (or any size you want). You can also set the font size to a small (but visible) value.

In the following code cal is a pointer to QCalendarWidget

QTableView* calendarView = 0; for(auto i : qAsConst(cal->children())) { calendarView = dynamic_cast<QTableView*>(i); if(calendarView) { qDebug() << "View Found"; QHeaderView* hh = calendarView->horizontalHeader(); QHeaderView* vh = calendarView->verticalHeader(); QFont font = calendarView->font(); font.setPointSize(8); calendarView->setFont(font); hh->setMinimumSectionSize(0); vh->setMinimumSectionSize(0); } }

Hi and welcome to devnet,

You should take a look at the sources of QCalendarWidget, you'll have all the information you want there