class CCountUp(QLabel):
def __init__(self, *args, **kwargs):
super(CCountUp, self).__init__(*args, **kwargs)
self.isFloat = False # 是否是小数
font = self.font() or QFont()
font.setBold(True)
self.setFont(font)
self.timeline = QTimeLine(6000, self)
self.timeline.setEasingCurve(QEasingCurve.OutExpo)
self.timeline.frameChanged.connect(self.onFrameChanged)
def pause(self):
"""暂停
"""
self.timeline.setPaused(True)
def resume(self):
"""继续
"""
self.timeline.resume()
def isPaused(self):
"""是否暂停
"""
return self.timeline.state() == QTimeLine.Paused
def reset(self):
"""重置
"""
self.timeline.stop()
self.isFloat = False # 是否是小数
self.setText('0')
def onFrameChanged(self, value):
if self.isFloat:
value = round(value / 100.0 + 0.00001, 2)
value = str(format(value, ','))
self.setText(value + '0' if value.endswith('.0') else value)
def setDuration(self, duration):
"""设置动画持续时间
:param duration:
"""
self.timeline.setDuration(duration)
def setNum(self, number):
"""设置数字
:param number: int or float
"""
if isinstance(number, int):
self.isFloat = False
self.timeline.setFrameRange(0, number)
elif isinstance(number, float):
self.isFloat = True
self.timeline.setFrameRange(0, number * 100)
self.timeline.stop()
self.setText('0')
self.timeline.start()
class Demo(QWidget):
def __init__(self):
super(Demo, self).__init__()
self.resize(600, 600)
self.label = QLabel('Hello PyQt5', self)
self.label.move(-100, 100)
self.timeline = QTimeLine(5000, self)
self.timeline.setFrameRange(0, 700)
self.timeline.frameChanged.connect(self.set_frame_func)
self.timeline.stateChanged.connect(
lambda: print(self.timeline.state())) # 1
self.timeline.setLoopCount(0)
self.start_btn = QPushButton('Start', self)
self.stop_btn = QPushButton('Stop', self)
self.pause_btn = QPushButton('Pause', self)
self.resume_btn = QPushButton('Resume', self)
self.start_btn.clicked.connect(self.timeline.start) # 2
self.stop_btn.clicked.connect(self.timeline.stop)
self.pause_btn.clicked.connect(lambda: self.timeline.setPaused(True))
self.resume_btn.clicked.connect(self.timeline.resume)
self.h_layout = QHBoxLayout()
self.v_layout = QVBoxLayout()
self.h_layout.addWidget(self.start_btn)
self.h_layout.addWidget(self.stop_btn)
self.h_layout.addWidget(self.pause_btn)
self.h_layout.addWidget(self.resume_btn)
self.v_layout.addStretch(1)
self.v_layout.addLayout(self.h_layout)
self.setLayout(self.v_layout)
def set_frame_func(self, frame):
self.label.move(-100 + frame, 100)
