Python QTextCursor.selectedText方法代码示例

# 需要导入模块: from PyQt5.QtGui import QTextCursor [as 别名]
# 或者: from PyQt5.QtGui.QTextCursor import selectedText [as 别名]
	def test_indentMoreWithSelection(self):
		cursor = QTextCursor(self.document)
		cursor.setPosition(1)
		cursor.setPosition(6, QTextCursor.KeepAnchor)
		self.assertEqual('oo\u2029ba', # \u2029 is paragraph separator
		                 cursor.selectedText())
		documentIndentMore(self.document, cursor, self.settings)
		self.assertEqual('    foo\n    bar\nbaz',
		                 self.document.toPlainText())

# 需要导入模块: from PyQt5.QtGui import QTextCursor [as 别名]
# 或者: from PyQt5.QtGui.QTextCursor import selectedText [as 别名]
    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])

# 需要导入模块: from PyQt5.QtGui import QTextCursor [as 别名]
# 或者: from PyQt5.QtGui.QTextCursor import selectedText [as 别名]
    def _get_textdoc(self, index):
        """Create the QTextDocument of an item.

        Args:
            index: The QModelIndex of the item to draw.
        """
        # FIXME we probably should do eliding here. See
        # qcommonstyle.cpp:viewItemDrawText
        text_option = QTextOption()
        if self._opt.features & QStyleOptionViewItem.WrapText:
            text_option.setWrapMode(QTextOption.WordWrap)
        else:
            text_option.setWrapMode(QTextOption.ManualWrap)
        text_option.setTextDirection(self._opt.direction)
        text_option.setAlignment(QStyle.visualAlignment(
            self._opt.direction, self._opt.displayAlignment))

        self._doc = QTextDocument(self)
        if index.parent().isValid():
            self._doc.setPlainText(self._opt.text)
        else:
            self._doc.setHtml('<b>{}</b>'.format(html.escape(self._opt.text)))
        self._doc.setDefaultFont(self._opt.font)
        self._doc.setDefaultTextOption(text_option)
        self._doc.setDefaultStyleSheet(style.get_stylesheet("""
            .highlight {
                {{ color['completion.match.fg'] }}
            }
        """))
        self._doc.setDocumentMargin(2)

        if index.column() == 0:
            marks = index.data(basecompletion.Role.marks)
            if marks is None:
                return
            for mark in marks:
                cur = QTextCursor(self._doc)
                cur.setPosition(mark[0])
                cur.setPosition(mark[1], QTextCursor.KeepAnchor)
                txt = cur.selectedText()
                cur.removeSelectedText()
                cur.insertHtml('<span class="highlight">{}</span>'.format(
                    html.escape(txt)))