def replace_patterns(self, code):
# clear format
fmt = QTextCharFormat()
fmt.setBackground(QColor('#2b2b2b'))
cursor = QTextCursor(self.document())
cursor.setPosition(0, QTextCursor.MoveAnchor)
cursor.setPosition(len(code) - 1, QTextCursor.KeepAnchor)
self.just_changed_text = True
cursor.setCharFormat(fmt)
# static elements
color = QColor(255, 255, 0, 50)
for pattern in self.static_elements:
positions = [
i for i in range(len(code)) if code.startswith(pattern, i)
]
for occ in reversed(positions):
fmt.setBackground(color)
cursor.setPosition(occ, QTextCursor.MoveAnchor)
cursor.setPosition(occ + len(pattern), QTextCursor.KeepAnchor)
self.just_changed_text = True
cursor.setCharFormat(fmt)
# usable components
color = QColor(100, 100, 255, 200)
for pattern in self.components:
positions = [
i for i in range(len(code)) if code.startswith(pattern, i)
]
for occ in reversed(positions):
fmt.setBackground(color)
cursor.setPosition(occ, QTextCursor.MoveAnchor)
cursor.setPosition(occ + len(pattern), QTextCursor.KeepAnchor)
self.just_changed_text = True
cursor.setCharFormat(fmt)
def unhighlight(self):
cursor = QTextCursor(self.document())
cursor.movePosition(QTextCursor.Start)
cursor.movePosition(QTextCursor.End, QTextCursor.KeepAnchor)
cursor.setCharFormat(QTextCharFormat())
