class QClickLabel(QWidget):
image_show = None
# 自定义信号
clicked_signal = pyqtSignal()
def __init__(self, parent=None):
super(QClickLabel, self).__init__(parent)
self.frameShowStackedLayout = QStackedLayout(self)
self.frameShowStackedLayout.setObjectName("frameShowStackedLayout")
self.frameShowStackedLayout.setStackingMode(1)
self.StopBox = QLabel(self)
self.StopBox.setStyleSheet(
"background-color: rgba(222, 222, 222, 0);background-image: url(:/system/img/play.png);background-repeat: no-repeat;background-position: center center;"
)
self.StopBox.setText("")
self.frameShowStackedLayout.addWidget(self.StopBox)
self.ImageBox = QLabel(self)
self.ImageBox.setStyleSheet("background-color: #242423;")
self.ImageBox.setText("")
sizePolicy = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(1)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(
self.ImageBox.sizePolicy().hasHeightForWidth())
self.ImageBox.setSizePolicy(sizePolicy)
self.ImageBox.setMinimumSize(QSize(200, 200))
self.ImageBox.setScaledContents(False)
self.ImageBox.setAlignment(Qt.AlignCenter)
self.frameShowStackedLayout.addWidget(self.ImageBox)
# 鼠标点击事件
def mouseReleaseEvent(self, QMouseEvent):
self.clicked_signal.emit()
# 可在外部与槽函数连接
def clicked(self, func):
self.clicked_signal.connect(func)
# 格式化图像为当前容器大小
def __formatImage(self, image):
w1 = image.width()
h1 = image.height()
w2 = self.width()
h2 = self.height()
if w1 > h1:
return image.scaled(w2, w2 / w1 * h1, Qt.KeepAspectRatio)
return image.scaled(h2 / h1 * w1, h2, Qt.KeepAspectRatio)
def setPixmap(self, image):
if image == None:
self.frameShowStackedLayout.setCurrentIndex(0)
else:
self.image_show = image
self.frameShowStackedLayout.setCurrentIndex(1)
self.ImageBox.setPixmap(
QPixmap.fromImage(self.__formatImage(image)))
def resizeEvent(self, event):
if self.image_show != None:
self.setPixmap(self.image_show)
self.setPixmap(None)
