def keywordHighlight(self, doc):
cursor = QTextCursor(doc)
cursor.beginEditBlock()
fmt = QTextCharFormat()
fmt.setBackground(Qt.darkYellow)
highlightCursor = QTextCursor(doc)
while not highlightCursor.isNull() and not highlightCursor.atEnd():
highlightCursor = doc.find(self.keyword, highlightCursor)
if not highlightCursor.isNull():
highlightCursor.mergeCharFormat(fmt)
cursor.endEditBlock()
def highlight(self, document: QTextDocument, rules: list):
"""Highlights document"""
char_format = QTextCharFormat()
cursor = QTextCursor(document)
while not cursor.isNull() and not cursor.atEnd():
cursor.movePosition(QTextCursor.EndOfWord, QTextCursor.KeepAnchor)
text = cursor.selectedText()
color, bgcolor = self.get_register_hl_color(
text, self.highlighted_regs)
if not color:
color, bgcolor = self.get_color(text, rules)
if color:
char_format.setForeground(QColor(color))
if bgcolor:
char_format.setBackground(QColor(bgcolor))
if color or bgcolor:
cursor.mergeCharFormat(char_format)
char_format.clearBackground()
self.move_to_next_word(document, cursor)
def on_text_changed(self):
if self.tageditor.is_undoing:
self.tageditor.is_undoing = False
return
blocked = self.tageditor.blockSignals(True)
self.tageditor.textCursor().beginEditBlock()
doc = self.tageditor.document()
# pattern = QtCore.QRegExp(r'\{\d{1,2}\}|\{\d{1,2}>|<\d{1,2}\}')
pattern = QtCore.QRegExp(r'\{\d{1,2}\}|\{\d{1,2}>|<\d{1,2}\}|\{j\}|\{[biu_^]+>|<[biu_^]+\}')
pattern.setMinimal(True)
cursor = QTextCursor(doc)
# print('textChanged')
while True:
cursor = doc.find(pattern, cursor)
if cursor.isNull():
break
matched_str = cursor.selectedText()
if matched_str.endswith('>'):
tag_name = cursor.selectedText().strip('{>')
self.insert_tag(cursor, tag_name, tag_name, TagKind.START)
elif matched_str.startswith('<'):
tag_name = cursor.selectedText().strip('<}')
self.insert_tag(cursor, tag_name, tag_name, TagKind.END)
elif matched_str.startswith('{'):
tag_name = cursor.selectedText().strip('{}')
self.insert_tag(cursor, tag_name, tag_name, TagKind.EMPTY)
self.tageditor.textCursor().endEditBlock()
self.tageditor.blockSignals(blocked)
def search_and_replace(self, word, newWord = None, replace = False):
self.textEdit.textCursor().beginEditBlock()
doc = self.textEdit.document()
cursor = QTextCursor(doc)
while True:
cursor = doc.find(word, cursor)
if cursor.isNull():
break
if replace and newWord is not None:
cursor.insertText(newWord)
self.textEdit.textCursor().endEditBlock()
def highlight(self):
char_format = QTextCharFormat()
cursor = QTextCursor(self.doc)
while not cursor.isNull() and not cursor.atEnd():
cursor.movePosition(QTextCursor.EndOfWord, QTextCursor.KeepAnchor)
color = self.get_color(cursor.selectedText())
if color is not None:
if self.use_darker_text_color:
color = color.darker()
char_format.setForeground(color)
cursor.mergeCharFormat(char_format)
self.move_to_next_word(self.doc, cursor)
def on_findButton_clicked(self):
search_string = self.ui_line_edit.text()
document = self.ui_text_edit.document()
self.found = False
document.undo()
if not search_string:
QMessageBox.information(self, "Empty Search Field", 'Please enter a word')
else:
highlight_cursor = QTextCursor(document)
cursor = QTextCursor(document)
cursor.beginEditBlock()
plain_format = QTextCharFormat(highlight_cursor.charFormat())
color_format = plain_format
color_format.setForeground(Qt.red)
while not highlight_cursor.isNull() and not highlight_cursor.atEnd():
highlight_cursor = document.find(
search_string,
highlight_cursor,
QTextDocument.FindWholeWords
)
if not highlight_cursor.isNull():
self.found = True
highlight_cursor.movePosition(QTextCursor.WordRight, QTextCursor.KeepAnchor)
highlight_cursor.mergeCharFormat(color_format)
cursor.endEditBlock()
if not self.found:
QMessageBox.information(self, "Word not found", "Sorry, the word coannot be found")
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 highlight(self):
char_format = QTextCharFormat()
cursor = QTextCursor(self.doc)
while not cursor.isNull() and not cursor.atEnd():
cursor.movePosition(QTextCursor.EndOfWord, QTextCursor.KeepAnchor)
color = self.get_register_hl_color(cursor.selectedText())
if color is not None:
char_format.setBackground(self.reg_hl_bg_color)
else:
color = self.get_color(cursor.selectedText())
if color is not None:
char_format.setForeground(color)
cursor.mergeCharFormat(char_format)
char_format.clearBackground()
self.move_to_next_word(self.doc, cursor)
def move_to_next_word(self, doc: QTextDocument, cursor: QTextCursor):
"""Moves cursor to next word"""
while not cursor.isNull() and not cursor.atEnd():
if doc.characterAt(cursor.position()) not in self.ignored_chars:
return
cursor.movePosition(QTextCursor.NextCharacter)
