PyQt5 QSpinBox - Getting weight to the text

PyQt5 QSpinBox - Getting weight to the text

To assign a "weight" to the text inside a QSpinBox (or any widget that deals with text), you usually aim to make the text bold, semi-bold, or change its font-weight. This can be done using the QFont class, which allows you to modify the font properties of a widget.

Here's how you can change the font weight of the text inside a QSpinBox:

  • Import the necessary modules:
import sys from PyQt5.QtWidgets import QApplication, QVBoxLayout, QWidget, QSpinBox from PyQt5.QtGui import QFont
  • Adjust the font weight of the QSpinBox text:
class App(QWidget): def __init__(self): super().__init__() self.init_ui() def init_ui(self): layout = QVBoxLayout() spin_box = QSpinBox(self) # Modify the font weight of the text font = spin_box.font() font.setWeight(QFont.Bold) # You can also use values from 0 to 99, where 50 is normal spin_box.setFont(font) layout.addWidget(spin_box) self.setLayout(layout) self.setWindowTitle('QSpinBox with Bold Text') self.show() if __name__ == '__main__': app = QApplication(sys.argv) ex = App() sys.exit(app.exec_())

In the code above, we retrieve the current font of the QSpinBox using spin_box.font(), then set its weight to bold using font.setWeight(QFont.Bold), and finally reapply the modified font to the QSpinBox using spin_box.setFont(font).

You can adjust the font weight more granularly by passing an integer value between 0 to 99 to font.setWeight(), where 50 represents the normal weight.

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