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Simple LED widget for PyQt5

Project description

pyqt_led

Simple LED widget for PyQt5.

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Table of Contents

Installation

pip

$ pip install pyqt-led

setup.py

$ python setup.py install

Usage

The following example is also provided in the package, and will result in the screenshots shown above.

from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QApplication
from PyQt5.QtWidgets import QGridLayout
from PyQt5.QtWidgets import QWidget
import numpy as np
import sys


class Demo(QWidget):
    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        self._shape = np.array(['capsule', 'circle', 'rectangle'])
        self._color = np.array(['blue', 'green', 'orange', 'purple', 'red',
                                'yellow'])
        self._layout = QGridLayout(self)
        self._create_leds()
        self._arrange_leds()

    def keyPressEvent(self, e):
        if e.key() == Qt.Key_Escape:
            self.close()

    def _create_leds(self):
        for s in self._shape:
            for c in self._color:
                exec('self._{}_{} = Led(self, on_color=Led.{}, shape=Led.{})'
                     .format(s, c, c, s))
                exec('self._{}_{}.setFocusPolicy(Qt.NoFocus)'.format(s, c))

    def _arrange_leds(self):
        for r in range(3):
            for c in range(6):
                exec('self._layout.addWidget(self._{}_{}, {}, {}, 1, 1, \
                      Qt.AlignCenter)'
                     .format(self._shape[r], self._color[c], r, c))
                c += 1
            r += 1

app = QApplication(sys.argv)
demo = Demo()
demo.show()
sys.exit(app.exec_())

License

MIT License. Copyright (c) 2018 Jihang Li.

Project details


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