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In any case, the layout is already set on the central widget (since it was used as argument in the layout constructor), so there's no need to call setLayout anyway. Note that if the widget_container doesn't have an appropriate minimum size (or size hint), the stretch won't be respected if the window width couldn't fit both of them.Īlso consider that you should not call showMaximized too early, especially before setting the central widget (which is mandatory for a QMainWindow) and its contents it's considered good practice to show the widget after it's fully constructed (so, not in the _init_).įinally, remove the following line: tLayout(self.hlayout)Ī QMainWindow has its own, internal layout, which cannot be accessed nor replaced. # set a stretch factor of 1 for the second (the label)Īlternatively, you can directly set the stretch (which is an optional argument) when adding the widget: (self.widget_container, stretch=4) The correct function should be: # set a stretch factor of 4 for the first widget (the container) Sets the stretch factor at position index to stretch. QBoxLayout::setStretch(int index, int stretch) Window.write_help("You need some help - so i'm in trouble!") # FIXME: label 1 and widget 4 parts of the window. Self.label_tStyleSheet("background-color: #B9E9BE") Self.label_help = QLabel(self.centralwidget) Self.widget_container = QWidget(self.centralwidget) # Widget as a container for further views Self.hlayout = QHBoxLayout(self.centralwidget) QApplication, QMainWindow, QWidget, QStatusBar, QMenuBar, QMenu, \įrom PyQt5.QtCore import QRect, QMetaObject, QCoreApplicationĭef _init_(self, title="stretch 4 parts to 1"): But it seems both get the half of the window. The base widget should get 4 times the space of the help label.

Horizontal scaling can be done by multiplying the input with a constant. This contains a general widget and a label for help messages. Horizontal scaling means the stretching or shrinking the graph of the function along the x-axis. Divide x-coordinates (x, y) becomes (x/k, y). I tried to setup a main window, with a central widget. bullet Horizontal Stretch or Compression (Shrink) f (kx) stretches/shrinks f (x) horizontally.