如何在Pyside中对QPushbutton进行子类化,但需要arg。在我的例子中,我需要arg是一个整数列表[0,0,0]。
我的目标是做到这一点,我可以像这样创建MyButton:
# GOAL
MyButton([0,255,0])
当传入包含值列表的争论时,应设置值self._data。我不确定我是否正确设置了此设置,因此我们非常感谢所有更正。
class MyButton(QtGui.QPushButton):
def __init__(self, *args, **kwargs):
super(MyButton, self).__init__(*args, **kwargs)
self._data = stuff
@property
def data(self):
return self._data
@data.setter
def data(self, value):
self._data = value
MyButton([0,255,0])
更新:我注意到当我将该值传递给我的Init时,它似乎没有触发该属性的setter?这是为什么?如果您测试下面的代码,您将看到按钮的颜色在实例化时未设置。我该如何解决这个问题?
import os
import sys
import json
from PySide import QtCore, QtGui
class QColorSwatch(QtGui.QPushButton):
colorClicked = QtCore.Signal(list)
colorChanged = QtCore.Signal(list)
def __init__(self, stuff, *args, **kwargs):
super(QColorSwatch, self).__init__(*args, **kwargs)
self._color = stuff
self.setMaximumWidth(22)
self.setMaximumHeight(22)
self.setAutoFillBackground(True)
self.pressed.connect(self.color_clicked)
@property
def color(self):
return self._color
@color.setter
def color(self, value):
self._color = value
pixmap = QtGui.QPixmap(self.size())
pixmap.fill(QtGui.QColor(value[0], value[1], value[2]))
self.setIcon(pixmap)
self.colorChanged.emit(value)
# swatch.setIconSize(pixmap.size() - QtCore.QSize(6,6))
def color_clicked(self):
self.colorClicked.emit(self.color)
class ExampleWindow(QtGui.QMainWindow):
def __init__(self, parent=None):
super(ExampleWindow, self).__init__(parent)
self.resize(300, 200)
self.ui_swatch = QColorSwatch([255,0,0])
# main layout
main_layout = QtGui.QVBoxLayout()
main_layout.setContentsMargins(5,5,5,5)
main_layout.setSpacing(5)
main_layout.addWidget(self.ui_swatch)
main_widget = QtGui.QWidget()
main_widget.setLayout(main_layout)
self.setCentralWidget(main_widget)
# Signals
self.ui_swatch.colorClicked.connect(self.color_clicked)
self.ui_swatch.colorChanged.connect(self.color_changed)
def color_clicked(self, col):
print 'CLICKED:', col
self.ui_swatch.color = [255,0,0]
def color_changed(self, col):
print 'CHANGED:', col
def main():
app = QtGui.QApplication(sys.argv)
ex = ExampleWindow()
ex.show()
sys.exit(app.exec_())
if __name__ == '__main__':
main()
答案 0 :(得分:3)
您必须将stuff
作为参数。
class MyButton(QtGui.QPushButton):
def __init__(self, stuff, *args, **kwargs):
super(MyButton, self).__init__(*args, **kwargs)
self._data = stuff
@property
def data(self):
return self._data
@data.setter
def data(self, value):
self._data = value
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
mainWin = MyButton([0,255,0])
print(mainWin.data)
mainWin.show()
sys.exit(app.exec_())
更新
你必须使用self.color来使用setter。
class QColorSwatch(QtGui.QPushButton):
colorClicked = QtCore.Signal(list)
colorChanged = QtCore.Signal(list)
def __init__(self, stuff, *args, **kwargs):
super(QColorSwatch, self).__init__(*args, **kwargs)
self._color = None
self.color = stuff
self.setMaximumWidth(22)
self.setMaximumHeight(22)
self.setAutoFillBackground(True)
self.pressed.connect(self.color_clicked)
@property
def color(self):
return self._color
@color.setter
def color(self, value):
self._color = value
pixmap = QtGui.QPixmap(self.size())
pixmap.fill(QtGui.QColor(value[0], value[1], value[2]))
self.setIcon(pixmap)
self.colorChanged.emit(value)
# swatch.setIconSize(pixmap.size() - QtCore.QSize(6,6))
def color_clicked(self):
self.colorClicked.emit(self.color)