本文整理汇总了Python中PyQt4.QtGui.QTextCursor.clearSelection方法的典型用法代码示例。如果您正苦于以下问题：Python QTextCursor.clearSelection方法的具体用法？Python QTextCursor.clearSelection怎么用？Python QTextCursor.clearSelection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PyQt4.QtGui.QTextCursor的用法示例。
在下文中一共展示了QTextCursor.clearSelection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: focus_line
# 需要导入模块: from PyQt4.QtGui import QTextCursor [as 别名]
# 或者: from PyQt4.QtGui.QTextCursor import clearSelection [as 别名]
def focus_line(self, line_no):
""" highlight the line"""
line_no -= 1
cursor = QTextCursor(self.document().findBlockByLineNumber(line_no))
cursor.clearSelection()
highlight = QTextEdit.ExtraSelection()
highlight.cursor = cursor
highlight.format.setProperty(QTextFormat.FullWidthSelection, True)
highlight.format.setBackground(QBrush(QColor("#657b83")))
self.setExtraSelections([highlight])
self.setTextCursor(cursor)示例2: write
# 需要导入模块: from PyQt4.QtGui import QTextCursor [as 别名]
# 或者: from PyQt4.QtGui.QTextCursor import clearSelection [as 别名]
def write(self, s):
if self.echo:
sys.__stdout__.write(s)
doc = self.document()
cursor = QTextCursor(doc)
cursor.clearSelection()
cursor.movePosition(QTextCursor.End, QTextCursor.MoveAnchor)
cursor.insertText(s)
cursor.movePosition(QTextCursor.End, QTextCursor.MoveAnchor)
cursor.clearSelection()
self.ensureCursorVisible()
qApp.processEvents()示例3: __highlight
# 需要导入模块: from PyQt4.QtGui import QTextCursor [as 别名]
# 或者: from PyQt4.QtGui.QTextCursor import clearSelection [as 别名]
def __highlight(self, positions, color=None, cancel=False):
cursor = QTextCursor(self.document())
modified = self.document().isModified()
for position in positions:
if position > self.get_position('eof'):
return
cursor.setPosition(position)
cursor.movePosition( QTextCursor.NextCharacter,
QTextCursor.KeepAnchor)
charformat = cursor.charFormat()
pen = QPen(Qt.NoPen) if cancel else QPen(color)
charformat.setTextOutline(pen)
cursor.setCharFormat(charformat)
if cancel:
charformat = QTextCharFormat()
cursor.movePosition( QTextCursor.NextCharacter,
QTextCursor.KeepAnchor)
cursor.setCharFormat(charformat)
cursor.clearSelection()
self.setCurrentCharFormat(charformat)
self.document().setModified(modified)示例4: __duplicate_line_or_selection
# 需要导入模块: from PyQt4.QtGui import QTextCursor [as 别名]
# 或者: from PyQt4.QtGui.QTextCursor import clearSelection [as 别名]
def __duplicate_line_or_selection(self, after_current_line=True):
"""Duplicate current line or selected text"""
cursor = self.textCursor()
cursor.beginEditBlock()
start_pos, end_pos = self.__save_selection()
if to_text_string(cursor.selectedText()):
cursor.setPosition(end_pos)
# Check if end_pos is at the start of a block: if so, starting
# changes from the previous block
cursor.movePosition(QTextCursor.StartOfBlock,
QTextCursor.KeepAnchor)
if not to_text_string(cursor.selectedText()):
cursor.movePosition(QTextCursor.PreviousBlock)
end_pos = cursor.position()
cursor.setPosition(start_pos)
cursor.movePosition(QTextCursor.StartOfBlock)
while cursor.position() <= end_pos:
cursor.movePosition(QTextCursor.EndOfBlock, QTextCursor.KeepAnchor)
if cursor.atEnd():
cursor_temp = QTextCursor(cursor)
cursor_temp.clearSelection()
cursor_temp.insertText(self.get_line_separator())
break
cursor.movePosition(QTextCursor.NextBlock, QTextCursor.KeepAnchor)
text = cursor.selectedText()
cursor.clearSelection()
if not after_current_line:
# Moving cursor before current line/selected text
cursor.setPosition(start_pos)
cursor.movePosition(QTextCursor.StartOfBlock)
start_pos += len(text)
end_pos += len(text)
cursor.insertText(text)
cursor.endEditBlock()
self.setTextCursor(cursor)
self.__restore_selection(start_pos, end_pos)