本文整理汇总了Python中PyQt5.QtWidgets.QSlider.maximum方法的典型用法代码示例。如果您正苦于以下问题：Python QSlider.maximum方法的具体用法？Python QSlider.maximum怎么用？Python QSlider.maximum使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt5.QtWidgets.QSlider的用法示例。
在下文中一共展示了QSlider.maximum方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: SimulationGui
# 需要导入模块: from PyQt5.QtWidgets import QSlider [as 别名]
# 或者: from PyQt5.QtWidgets.QSlider import maximum [as 别名]
#.........这里部分代码省略.........
self.actPlayPause.trigger()
if self.runningBatch:
regime_name = self._regimes[self._current_regime_index]["Name"]
file_name = self._simfile_name(regime_name)
self._save_data(os.path.join(
self._settings.value("path/simulation_results"),
file_name))
self.regimeFinished.emit()
else:
self.actSimulateAll.setDisabled(False)
def _read_results(self):
state = self.currentDataset["results"]["Solver"]
self.interpolator = interp1d(self.currentDataset["results"]["time"],
state,
axis=0,
bounds_error=False,
fill_value=(state[0], state[-1]))
self.currentStepSize = 1.0/self.currentDataset["simulation"][
"measure rate"]
self.currentEndTime = self.currentDataset["simulation"]["end time"]
self.validData = True
def increment_playback_speed(self):
self.speedControl.setValue(self.speedControl.value()
+ self.speedControl.singleStep())
def decrement_playback_speed(self):
self.speedControl.setValue(self.speedControl.value()
- self.speedControl.singleStep())
def reset_playback_speed(self):
self.speedControl.setValue((self.speedControl.maximum()
- self.speedControl.minimum())/2)
def set_slowest_playback_speed(self):
self.speedControl.setValue(self.speedControl.minimum())
def set_fastest_playback_speed(self):
self.speedControl.setValue(self.speedControl.maximum())
def update_playback_speed(self, val):
"""
adjust playback time to slider value
:param val:
"""
maximum = self.speedControl.maximum()
self.playbackGain = 10**(3.0 * (val - maximum / 2) / maximum)
@pyqtSlot()
def increment_playback_time(self):
"""
go one time step forward in playback
"""
if self.playbackTime == self.currentEndTime:
self.pause_animation()
return
increment = self.playbackGain * self.playbackTimeout / 1000
self.playbackTime = min(self.currentEndTime,
self.playbackTime + increment)
pos = int(self.playbackTime / self.currentEndTime
* self.timeSliderRange)
self.timeSlider.blockSignals(True)示例2: VideoPlayer
# 需要导入模块: from PyQt5.QtWidgets import QSlider [as 别名]
# 或者: from PyQt5.QtWidgets.QSlider import maximum [as 别名]
#.........这里部分代码省略.........
scene.addItem(self.videoItem)
self.playButton = QPushButton()
self.playButton.setEnabled(False)
self.playButton.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay))
self.playButton.clicked.connect(self.play)
self.positionSlider = QSlider(Qt.Horizontal)
self.positionSlider.setRange(0, 0)
self.positionSlider.sliderMoved.connect(self.setPosition)
if self.display_status:
self.status_mapping = {
QMediaPlayer.UnknownMediaStatus: "UnknownMediaStatus",
QMediaPlayer.NoMedia: "NoMedia",
QMediaPlayer.LoadingMedia: "LoadingMedia",
QMediaPlayer.LoadedMedia: "LoadedMedia",
QMediaPlayer.StalledMedia: "StalledMedia",
QMediaPlayer.BufferingMedia: "BufferingMedia",
QMediaPlayer.BufferedMedia: "BufferedMedia",
QMediaPlayer.EndOfMedia: "EndOfMedia",
QMediaPlayer.InvalidMedia: "InvalidMedia"
}
self.statusText = QPlainTextEdit()
self.statusText.setReadOnly(True)
self.statusText.setFixedHeight(25)
self.statusText.setFixedWidth(150)
self.mediaPlayer.mediaStatusChanged.connect(self.mediaStatusChanged)
controlLayout = QHBoxLayout()
controlLayout.setContentsMargins(0, 0, 0, 0)
controlLayout.addWidget(self.playButton)
controlLayout.addWidget(self.positionSlider)
if self.display_status:
controlLayout.addWidget(self.statusText)
layout = QVBoxLayout()
layout.addWidget(graphicsView)
layout.addLayout(controlLayout)
self.setFixedWidth(WIDTH + WIGGLE)
self.setLayout(layout)
self.mediaPlayer.setVideoOutput(self.videoItem)
self.mediaPlayer.stateChanged.connect(self.mediaStateChanged)
self.mediaPlayer.positionChanged.connect(self.positionChanged)
self.mediaPlayer.durationChanged.connect(self.durationChanged)
def openFile(self, fileName):
if fileName != '' or fileName is not None:
self.mediaPlayer.setMedia(
QMediaContent(QUrl.fromLocalFile(fileName)))
# set resolution
res_orig = get_video_resolution(fileName)
self.aspect_ratio = float(res_orig[0]) / res_orig[1]
self.videoItem.setSize(QSizeF(WIDTH,
WIDTH / self.aspect_ratio))
self.setFixedHeight(WIDTH / self.aspect_ratio + 2*WIGGLE)
self.playButton.setEnabled(True)
# trick to show screenshot of the first frame of video
self.mediaPlayer.play()
self.mediaPlayer.pause()
def play(self):
if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
self.mediaPlayer.pause()
else:
self.mediaPlayer.play()
def mediaStateChanged(self, state):
if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
self.playButton.setIcon(
self.style().standardIcon(QStyle.SP_MediaPause))
else:
self.playButton.setIcon(
self.style().standardIcon(QStyle.SP_MediaPlay))
def mediaStatusChanged(self, status):
self.statusText.setPlaceholderText(self.status_mapping[status])
def positionChanged(self, position):
self.positionSlider.setValue(position)
print self.positionSlider.value()
# if position slider has reached the end, let's stop the video
if self.positionSlider.value() >= self.positionSlider.maximum() - 1:
self.mediaPlayer.stop()
# play/pause hack to show the first frame of video
self.mediaPlayer.play()
self.mediaPlayer.pause()
def durationChanged(self, duration):
self.positionSlider.setRange(0, duration)
def setPosition(self, position):
self.mediaPlayer.setPosition(position)