Python 创建自定义PyQt5图像按钮
我试图创建自定义PyQt5按钮,但在Python 创建自定义PyQt5图像按钮,python,pyqt,pyqt5,qwidget,qabstractbutton,Python,Pyqt,Pyqt5,Qwidget,Qabstractbutton,我试图创建自定义PyQt5按钮,但在QMainWindow对象中显示它时遇到问题。以下是我正在尝试的代码: import sys from PyQt5.QtGui import * from PyQt5.QtWidgets import * from PyQt5.QtCore import * from PyQt5.QtWidgets import QMainWindow class PicButton(QAbstractButton): def __init__(self, pixm
QMainWindow
对象中显示它时遇到问题。以下是我正在尝试的代码:
import sys
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import QMainWindow
class PicButton(QAbstractButton):
def __init__(self, pixmap, parent=None):
super(PicButton, self).__init__(parent)
self.pixmap = pixmap
def paintEvent(self, event):
painter = QPainter(self)
painter.drawPixmap(event.rect(), self.pixmap)
def sizeHint(self):
return self.pixmap.size()
class App(QMainWindow):
def __init__(self):
super().__init__()
self.left = 0
self.top = 0
self.width = 800
self.height = 800
self.initUI()
def initUI(self):
self.setGeometry(self.left, self.top, self.width, self.height)
self.setAutoFillBackground(True)
p = self.palette()
p.setColor(self.backgroundRole(), Qt.white)
self.setPalette(p)
btn = PicButton('/home/user/Desktop/Untitled.png')
btn.move(0, 0)
btn.resize(80,80)
self.show()
app = QApplication(sys.argv)
window = App()
如果您只需使用
window=Widget()
并将button对象放入其中,则该按钮将起作用,如此答案所示:根据您的代码,您必须将QPixmap传递给PicButton,此外,如果您要移动它,它还应告诉您在哪里,如果您传递了父对象,它将放置在相对于父亲的位置,但不会被绘制
要解决此问题,您必须更改:
btn = PicButton('/home/user/Desktop/Untitled.png')
致:
根据您的代码,您必须将QPixmap传递给PicButton,此外,如果您要移动它,它还应该告诉您,如果您传递父对象,它将放置在相对于父对象的位置,但不会被绘制 要解决此问题,您必须更改:
btn = PicButton('/home/user/Desktop/Untitled.png')
致: