How to add QSplitter in Qt Designer?

First place your widgets on your dialog or widget in designer (They should not be in a layout) Select the widgets that you want to be in a splitter (By holding CTL and clicking on them) Right click on a selected widget and from Layout menu select Lay Out Horizontally in Splitter or Lay Out Vertically in Splitter.

What is QSplitter?

Detailed Description. A splitter lets the user control the size of child widgets by dragging the boundary between them. Any number of widgets may be controlled by a single splitter. The typical use of a QSplitter is to create several widgets and add them using insertWidget() or addWidget().

How do you add a spacer in Qt?

You can add a spacer item, either on the outside of your horizontal layout, or inside your horizontal layout. If you add the spacer item inside the horizontal layout, you have to make sure you add your label widgets before the spacer item. Use the insertWidget() function to add your labels in this case.

What is spacer in Qt?

You can think of a spacer as a spring that has the power to move a block (a widget) but not to deform it. So, if you have a row layout containing two widgets, and you put a spacer in between them, the widgets will be pushed to the left and right sides as far as possible, but they will still keep their original size.

How do you put a vertical spacer in Qt?

add vertical spacer in QGridLayout

glMain->addWidget(lblHdg, 0, 0);
glMain->setAlignment(lblHdg, Qt::AlignTop | Qt::AlignCenter);
glMain->addLayout(hbxCh1, 1, 0);
glMain->setAlignment(hbxCh1, Qt::AlignTop | Qt::AlignLeft);
glMain->addLayout(hbxCh2, 2, 0);
glMain->setAlignment(hbxCh2, Qt::AlignTop | Qt::AlignLeft);

How do you hide the spacer in Qt?

Try putting the button you want to hide and unhide in another layout. In that layout along with the button put a spacer. Call Button hide and spacer will take over. Spacer takes over hidden button’s space.

What is QFrame in Qt?

The QFrame class is the base class of widgets that can have a frame.

What is QLayoutItem?

The QLayoutItem class provides an abstract item that a QLayout manipulates.

How do I add a widget to QFrame?

You place a “dummy” plain widget (or the base class of your custom widget) in the editor and then “promote it”:http://doc.qt.io/qt-5/designer-using-custom-widgets.html#promoting-widgets to your custom class.

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