def launch_qcolor_dialog(self):
color_dialog = QColorDialog(self)
color_dialog.setCurrentColor(QColor(self.get_color()))
color_dialog.colorSelected.connect(
lambda: self.set_line_edit(color_dialog.selectedColor().name()))
color_dialog.setModal(True)
color_dialog.show()
class ColorPicker(QPushButton):
class Events(QObject):
color_changed = Signal(QColor)
def __init__(self, parent: Optional[QWidget] = None):
super(ColorPicker, self).__init__(parent)
self.events = ColorPicker.Events()
self.setAutoFillBackground(True)
self._color_dialog = QColorDialog(self)
self._color_dialog.setWindowFlags(Qt.Widget)
self._color_dialog.setOptions(QColorDialog.DontUseNativeDialog
| QColorDialog.NoButtons)
self._menu = QMenu(self)
action = QWidgetAction(self)
action.setDefaultWidget(self._color_dialog)
self._menu.addAction(action)
self.setMenu(self._menu)
# noinspection PyUnresolvedReferences
self._menu.aboutToShow.connect(lambda: self._color_dialog.show())
# noinspection PyUnresolvedReferences
self._color_dialog.currentColorChanged.connect(
self.events.color_changed)
# noinspection PyUnresolvedReferences
self._color_dialog.currentColorChanged.connect(
lambda color: self.update())
self.update()
def update(self):
color = self._color_dialog.currentColor()
self.setText(color.name())
text_color_name = 'black' if qGray(color.rgb()) > 127 else 'white'
self.setStyleSheet(
f'ColorPicker {{ color: {text_color_name}; background-color: {color.name()}; }}'
)
super(ColorPicker, self).update()
@property
def color(self) -> QColor:
return self._color_dialog.currentColor()
@color.setter
def color(self, color: QColor):
self._color_dialog.setCurrentColor(color)