def _find(self, textEdit=None, backward=False):
if textEdit is None:
textEdit = self.textEdit
found = False
if textEdit is not None:
cursor = textEdit.textCursor()
text, flags = self._textAndFindFlags(backward=backward)
position = cursor.position()
cursor = textEdit.document().find(text, cursor, flags)
if not cursor.isNull():
textEdit.setTextCursor(cursor)
found = True
elif self.wrapAroundCheckBox.isChecked():
cursor = QTextCursor(textEdit.textCursor())
cursor.movePosition(backward and QTextCursor.End
or QTextCursor.Start)
cursor = textEdit.document().find(text, cursor, flags)
if not cursor.isNull():
if position == cursor.position():
pass #todo
textEdit.setTextCursor(cursor)
found = True
self.writeSettings()
if not found:
QApplication.beep()
self.feedbackLabel.setText(self.tr("Not found"))
else:
self.clearFeedback()
def _find(self, textEdit=None, backward=False):
if textEdit is None:
textEdit = self.textEdit
found = False
if textEdit is not None:
cursor = textEdit.textCursor()
text, flags = self._textAndFindFlags(backward=backward)
position = cursor.position()
cursor = textEdit.document().find(text, cursor, flags)
if not cursor.isNull():
textEdit.setTextCursor(cursor)
found = True
elif self.wrapAroundCheckBox.isChecked():
cursor = QTextCursor(textEdit.textCursor())
cursor.movePosition(backward and QTextCursor.End or QTextCursor.Start)
cursor = textEdit.document().find(text, cursor, flags)
if not cursor.isNull():
if position == cursor.position():
pass #todo
textEdit.setTextCursor(cursor)
found = True
self.writeSettings()
if not found:
QApplication.beep()
self.feedbackLabel.setText(self.tr("Not found"))
else:
self.clearFeedback()
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])