Question

This is my UI:

This is tab created programmatically:

ui->tabWidget->addTab(new QWidget(), "Tab 2");

I want the newly created tab to have the exact same layout as the “Chat room” tab has. Any advice on how to do this would be great.

Answer 1

The easiest way to do this (in Designer) is to create a new UI Form Class called something like ChatTab and base it on QWidget.

Move (i.e., cut and paste) your chat room widgets and layout from your MainWindow UI form to the ChatTab form, but leave the QTabWidget container in your MainWindow form. If you want a chat room to be in your main window when it first opens, promote its first QWidget to a ChatTab from inside Designer.

Any additional tabs should be added programatically like so:

ui->tabWidget->addTab(new ChatTab(), "Tab 2");

Add fancy stuff to the ChatTab constructor if you want to make your life easier.