Using Containers in Qt Designer

Group boxes are usually used to group together collections of checkboxes and radio buttons with similar purposes.

Among the significant properties of group boxes are title, flat, checkable, and checked. These are demonstrated in the Group Box example, and described in the QGroupBox class documentation. Each group box can contain its own layout, and this is necessary if it contains other widgets. To add a layout to the group box, click inside it and apply the layout as usual.

Tab widgets allow the developer to split up the contents of a widget into different labelled sections, only one of which is displayed at any given time. By default, the tab widget contains two tabs, and these can be deleted or renamed as required. You can also add additional tabs.

To delete a tab:

• Click on its label to make it the current tab.
• Select the tab widget and open its context menu.
• Select Delete Page.

To add a new tab:

• Select the tab widget and open its context menu.
• Select Insert Page.
• You can add a page before or after the current page. Qt Designer will create a new widget for that particular tab and insert it into the tab widget.
• You can set the title of the current tab by changing the currentTabText property in the Property Editor.

Dock widgets are floating panels, often containing input widgets and more complex controls, that are either attached to the edges of the main window in "dock areas", or floated as independent tool windows.

Although dock widgets can be added to any type of form, they are typically used with forms created from the main window template.