本文整理汇总了Python中PyQt5.QtWidgets.QScrollBar方法的典型用法代码示例。如果您正苦于以下问题：Python QtWidgets.QScrollBar方法的具体用法？Python QtWidgets.QScrollBar怎么用？Python QtWidgets.QScrollBar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的用法示例。
在下文中一共展示了QtWidgets.QScrollBar方法的4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: _scroll_released
# 需要导入模块: from PyQt5 import QtWidgets [as 别名]
# 或者: from PyQt5.QtWidgets import QScrollBar [as 别名]
def _scroll_released(self):
if not self.autoscrollCheckBox.isChecked():
self._auto_scroll = False
return
scrollbar = self.outputTextEdit.verticalScrollBar()
assert isinstance(scrollbar, QScrollBar)
current_scroll = scrollbar.value()
self._auto_scroll = current_scroll >= scrollbar.maximum() 示例2: update_content
# 需要导入模块: from PyQt5 import QtWidgets [as 别名]
# 或者: from PyQt5.QtWidgets import QScrollBar [as 别名]
def update_content(self):
new_content = self.terminal.read()
new_content = self.process_backspaces(new_content)
if not new_content:
return
scrollbar = self.outputTextEdit.verticalScrollBar()
assert isinstance(scrollbar, QScrollBar)
# Preserve scroll while updating content
current_scroll = scrollbar.value()
prev_cursor = self.outputTextEdit.textCursor()
self.outputTextEdit.moveCursor(QTextCursor.End)
# Use any backspaces that were left in input to delete text
cut = 0
for x in new_content:
if x != "\b":
break
self.outputTextEdit.textCursor().deletePreviousChar()
cut += 1
self.outputTextEdit.insertPlainText(new_content[cut:])
self.outputTextEdit.setTextCursor(prev_cursor)
if self._auto_scroll:
scrollbar.setValue(scrollbar.maximum())
else:
scrollbar.setValue(current_scroll) 示例3: _update_output
# 需要导入模块: from PyQt5 import QtWidgets [as 别名]
# 或者: from PyQt5.QtWidgets import QScrollBar [as 别名]
def _update_output(self):
scrollbar = self.outputEdit.verticalScrollBar()
assert isinstance(scrollbar, QScrollBar)
# Preserve scroll while updating content
current_scroll = scrollbar.value()
scrolling = scrollbar.isSliderDown()
with self._flash_output_mutex:
self.outputEdit.setPlainText(self._flash_output.decode('utf-8', errors="ignore"))
if not scrolling:
scrollbar.setValue(scrollbar.maximum())
else:
scrollbar.setValue(current_scroll) 示例4: __init__
# 需要导入模块: from PyQt5 import QtWidgets [as 别名]
# 或者: from PyQt5.QtWidgets import QScrollBar [as 别名]
def __init__(self):
super().__init__()
# Init GUI
self.setWindowTitle("Picasso: Filter")
self.resize(1100, 750)
this_directory = os.path.dirname(os.path.realpath(__file__))
icon_path = os.path.join(this_directory, "icons", "filter.ico")
icon = QtGui.QIcon(icon_path)
self.setWindowIcon(icon)
menu_bar = self.menuBar()
file_menu = menu_bar.addMenu("File")
open_action = file_menu.addAction("Open")
open_action.setShortcut(QtGui.QKeySequence.Open)
open_action.triggered.connect(self.open_file_dialog)
file_menu.addAction(open_action)
save_action = file_menu.addAction("Save")
save_action.setShortcut(QtGui.QKeySequence.Save)
save_action.triggered.connect(self.save_file_dialog)
file_menu.addAction(save_action)
plot_menu = menu_bar.addMenu("Plot")
histogram_action = plot_menu.addAction("Histogram")
histogram_action.setShortcut("Ctrl+H")
histogram_action.triggered.connect(self.plot_histogram)
scatter_action = plot_menu.addAction("2D Histogram")
scatter_action.setShortcut("Ctrl+D")
scatter_action.triggered.connect(self.plot_hist2d)
self.table_view = TableView(self, self)
main_widget = QtWidgets.QWidget()
hbox = QtWidgets.QHBoxLayout(main_widget)
hbox.setContentsMargins(0,0,0,0)
hbox.setSpacing(0)
self.setCentralWidget(main_widget)
hbox.addWidget(self.table_view)
self.vertical_scrollbar = QtWidgets.QScrollBar()
self.vertical_scrollbar.valueChanged.connect(self.display_locs)
hbox.addWidget(self.vertical_scrollbar)
self.hist_windows = {}
self.hist2d_windows = {}
self.filter_log = {}
self.locs = None