[BeYourself] PyQt Widgets & Layouts

Widgets

tutorials

Widget	What it does
QCheckbox	A checkbox
QComboBox	A dropdown list box
QDateEdit	For editing dates and datetimes
QDateTimeEdit	For editing dates and datetimes
QDial	Rotatable dial
QDoubleSpinbox	A number spinner for floats
QFontComboBox	A list of fonts
QLCDNumber	A quite ugly LCD display
QLabel	Just a label, not interactive
QLineEdit	Enter a line of text
QProgressBar	A progress bar
QPushButton	A button
QRadioButton	A toggle set, with only one active item
QSlider	A slider
QSpinBox	An integer spinner
QTimeEdit	For editing times

Layouts

tutorials

Layout	Behaviour
QHBoxLayout	Linear horizontal layout
QVBoxLayout	Linear vertical layout
QGridLayout	In indexable grid XxY
QStackedLayout	Stacked (z) in front of one another

QVboxlayout

filled from top to bottom.

QHboxlayout

filled from left to right.

QGridLaytout

widgets arranged in a grid

QStackedLayout

Multiple widgets in the same space

Nesting Layout

.addLayout 을 이용해 layout을 nesting 할 수 있음.

class MainWindow(QMainWindow):

    def __init__(self):
        super(MainWindow, self).__init__()

        self.setWindowTitle("My App")

        layout1 = QHBoxLayout()
        layout2 = QVBoxLayout()
        layout3 = QVBoxLayout()

        layout2.addWidget(Color('red'))
        layout2.addWidget(Color('yellow'))
        layout2.addWidget(Color('purple'))

        layout1.addLayout( layout2 )

        layout1.addWidget(Color('green'))

        layout3.addWidget(Color('red'))
        layout3.addWidget(Color('purple'))

        layout1.addLayout( layout3 )

        widget = QWidget()
        widget.setLayout(layout1)
        self.setCentralWidget(widget)