def search_result(self): p = self.result_text_edit.palette() p.setColor(QPalette.Highlight, QColor("#ee799f")) self.result_text_edit.setPalette(p) search_settings = QTextDocument.FindFlags() mod = QApplication.keyboardModifiers() if (mod & Qt.ShiftModifier) != 0: search_settings |= QTextDocument.FindBackward r = self.result_text_edit.find(self.search_line.text(), search_settings) if not r: if (mod & Qt.ShiftModifier) != 0: self.goto(QTextCursor.End) else: self.goto(QTextCursor.Start) self.result_text_edit.find(self.search_line.text(), search_settings) if self.search_line.text() == '': self.search_summary_label.hide() return current_position = self.result_text_edit.textCursor().position() try: current_index = self.search_positions.index(current_position) except ValueError: current_index = -1 self.search_summary_label.show() self.search_summary_label.setText( '%s/%s' % (current_index + 1, len(self.search_positions)))
def getFindFlags(self): flags = QTextDocument.FindFlags() if self.ui.buttonCase.isChecked(): flags = flags | QTextDocument.FindCaseSensitively if self.ui.buttonWords.isChecked(): flags = flags | QTextDocument.FindWholeWords return flags
def find_all( text: str, document: QTextDocument, flags=QTextDocument.FindFlags() ) -> List[QTextCursor]: """ Finds all occurrences of `text` in `document`, in order. :param text: Text to find. :param document: Document to search. :param flags: Conditions to set on the search: none or (whole word and/or match case) :return: Ordered list of all found instances. """ cursor = QTextCursor(document) # default pos == 0 found: List[QTextCursor] = [] while True: cursor = document.find(text, cursor, flags) if cursor.isNull(): return found else: found.append(cursor)
def __init__(self, plain_text_edit: QPlainTextEdit, parent=None): """ Sets up the dialog. :param plain_text_edit: Text Editor to operate on. :param parent: QWidget parent """ super().__init__(parent=parent, f=Qt.Tool) self.plain_text_edit = plain_text_edit self.cursors_needed = True self.find_flags = QTextDocument.FindFlags() self.found_cursors: List[QTextCursor] = [] self.current_cursor = QTextCursor() # UI layout = QVBoxLayout() find_and_replace_layout = QGridLayout() layout.addLayout( find_and_replace_layout ) # if QGL is sub-layout, add to parent layout before doing stuff. self.find_line_edit = QLineEdit() find_label = QLabel("&Find") find_label.setBuddy(self.find_line_edit) options_layout = QHBoxLayout() self.match_case_check_box = QCheckBox("Match Case") self.whole_word_check_box = QCheckBox("Whole Word") options_layout.addWidget(self.match_case_check_box) options_layout.addWidget(self.whole_word_check_box) options_layout.addStretch() self.found_info_label = QLabel() self.replace_line_edit = QLineEdit() replace_label = QLabel("&Replace") replace_label.setBuddy(self.replace_line_edit) find_and_replace_layout.addWidget(find_label, 0, 0) find_and_replace_layout.addWidget(self.find_line_edit, 0, 1) find_and_replace_layout.addLayout(options_layout, 1, 1) find_and_replace_layout.setRowMinimumHeight(2, 20) find_and_replace_layout.addWidget(self.found_info_label, 2, 1) find_and_replace_layout.addWidget(replace_label, 3, 0) find_and_replace_layout.addWidget(self.replace_line_edit, 3, 1) self.btn_box = QDialogButtonBox(QDialogButtonBox.Close) self.find_next_btn = QPushButton("Next") self.find_next_btn.setEnabled(False) self.find_prev_btn = QPushButton("Previous") self.find_prev_btn.setEnabled(False) self.replace_btn = QPushButton("Replace") self.replace_btn.setEnabled(False) self.replace_all_btn = QPushButton("Replace All") self.replace_all_btn.setEnabled(False) self.btn_box.addButton(self.replace_btn, QDialogButtonBox.ActionRole) self.btn_box.addButton(self.replace_all_btn, QDialogButtonBox.ActionRole) self.btn_box.addButton(self.find_prev_btn, QDialogButtonBox.ActionRole) self.btn_box.addButton(self.find_next_btn, QDialogButtonBox.ActionRole) layout.addWidget(self.btn_box) self.setLayout(layout) # End UI self.btn_box.rejected.connect(self.reject) self.find_line_edit.textEdited.connect(self.handle_text_edited) self.find_next_btn.clicked.connect(self.next) self.find_prev_btn.clicked.connect(self.prev) self.replace_btn.clicked.connect(self.replace) self.replace_all_btn.clicked.connect(self.replace_all) self.plain_text_edit.document().contentsChanged.connect( self.set_cursors_needed_true) self.whole_word_check_box.stateChanged.connect( self.toggle_whole_word_flag) self.match_case_check_box.stateChanged.connect( self.toggle_match_case_flag)