def slotCursorPositionChanged(self):
"""Called whenever the cursor position changes.
Highlights matching characters if the cursor is at one of them.
"""
cursor = self.edit().textCursor()
block = cursor.block()
text = block.text()
# try both characters at the cursor
col = cursor.position() - block.position()
end = col + 1
col = max(0, col - 1)
for c in text[col:end]:
if c in self.matchPairs:
break
col += 1
else:
self.clear()
return
# the cursor is at a character from matchPairs
i = self.matchPairs.index(c)
cursor.setPosition(block.position() + col)
# find the matching character
new = QTextCursor(cursor)
if i & 1:
# look backward
match = self.matchPairs[i - 1]
flags = QTextDocument.FindBackward
else:
# look forward
match = self.matchPairs[i + 1]
flags = QTextDocument.FindFlags()
new.movePosition(QTextCursor.Right)
# search, also nesting
rx = QRegExp(QRegExp.escape(c) + "|" + QRegExp.escape(match))
nest = 0
while nest >= 0:
new = cursor.document().find(rx, new, flags)
if new.isNull():
self.clear()
return
nest += 1 if new.selectedText() == c else -1
cursor.movePosition(QTextCursor.Right, QTextCursor.KeepAnchor)
self.highlight([cursor, new])
def slotCursorPositionChanged(self):
"""Called whenever the cursor position changes.
Highlights matching characters if the cursor is at one of them.
"""
cursor = self.edit().textCursor()
block = cursor.block()
text = block.text()
# try both characters at the cursor
col = cursor.position() - block.position()
end = col + 1
col = max(0, col - 1)
for c in text[col:end]:
if c in self.matchPairs:
break
col += 1
else:
self.clear()
return
# the cursor is at a character from matchPairs
i = self.matchPairs.index(c)
cursor.setPosition(block.position() + col)
# find the matching character
new = QTextCursor(cursor)
if i & 1:
# look backward
match = self.matchPairs[i-1]
flags = QTextDocument.FindBackward
else:
# look forward
match = self.matchPairs[i+1]
flags = QTextDocument.FindFlags()
new.movePosition(QTextCursor.Right)
# search, also nesting
rx = QRegExp(QRegExp.escape(c) + '|' + QRegExp.escape(match))
nest = 0
while nest >= 0:
new = cursor.document().find(rx, new, flags)
if new.isNull():
self.clear()
return
nest += 1 if new.selectedText() == c else -1
cursor.movePosition(QTextCursor.Right, QTextCursor.KeepAnchor)
self.highlight([cursor, new])
def findcontrol(self, name):
regex = QRegExp("^{}$".format(QRegExp.escape(name)))
regex.setCaseSensitivity(Qt.CaseInsensitive)
try:
widget = self.findChildren(QWidget, regex)[0]
except IndexError:
widget = None
return widget
def findcontrol(self, name):
regex = QRegExp("^{}$".format(QRegExp.escape(name)))
regex.setCaseSensitivity(Qt.CaseInsensitive)
try:
widget = self.findChildren(QWidget, regex)[0]
except IndexError:
widget = None
return widget
