Python QTextDocument.setDocumentMargin方法代码示例

# 需要导入模块: from PyQt5.QtGui import QTextDocument [as 别名]
# 或者: from PyQt5.QtGui.QTextDocument import setDocumentMargin [as 别名]
    def sizeHint(self, option, index):
        """QStyledItemDelegate.sizeHint implementation
        """
        options = QStyleOptionViewItem(option)
        self.initStyleOption(options,index)

        doc = QTextDocument()
        doc.setDocumentMargin(1)
        #  bad long (multiline) strings processing doc.setTextWidth(options.rect.width())
        doc.setHtml(options.text)
        return QSize(doc.idealWidth(),
                     QStyledItemDelegate.sizeHint(self, option, index).height())

# 需要导入模块: from PyQt5.QtGui import QTextDocument [as 别名]
# 或者: from PyQt5.QtGui.QTextDocument import setDocumentMargin [as 别名]
    def paint(self, painter, option, index):
        """QStyledItemDelegate.paint implementation
        """
        option.state &= ~QStyle.State_HasFocus  # never draw focus rect

        options = QStyleOptionViewItem(option)
        self.initStyleOption(options,index)

        style = QApplication.style() if options.widget is None else options.widget.style()

        doc = QTextDocument()
        doc.setDocumentMargin(1)
        doc.setHtml(options.text)
        if options.widget is not None:
            doc.setDefaultFont(options.widget.font())
        #  bad long (multiline) strings processing doc.setTextWidth(options.rect.width())

        options.text = ""
        style.drawControl(QStyle.CE_ItemViewItem, options, painter);

        ctx = QAbstractTextDocumentLayout.PaintContext()

        # Highlighting text if item is selected
        if option.state & QStyle.State_Selected:
            ctx.palette.setColor(QPalette.Text, option.palette.color(QPalette.Active, QPalette.HighlightedText))

        textRect = style.subElementRect(QStyle.SE_ItemViewItemText, options)
        painter.save()
        painter.translate(textRect.topLeft())
        """Original example contained line
            painter.setClipRect(textRect.translated(-textRect.topLeft()))
        but text is drawn clipped with it on kubuntu 12.04
        """
        doc.documentLayout().draw(painter, ctx)

        painter.restore()

# 需要导入模块: from PyQt5.QtGui import QTextDocument [as 别名]
# 或者: from PyQt5.QtGui.QTextDocument import setDocumentMargin [as 别名]
    def paint(self, painter, option, index):
        """QStyledItemDelegate.paint implementation
        """
        option.state &= ~QStyle.State_HasFocus  # never draw focus rect

        option.state |= QStyle.State_Active  # draw fuzzy-open completion as focused, even if focus is on the line edit

        options = QStyleOptionViewItem(option)
        self.initStyleOption(options, index)

        style = QApplication.style() if options.widget is None else options.widget.style()

        doc = QTextDocument()
        if self._font is not None:
            doc.setDefaultFont(self._font)

        doc.setDocumentMargin(1)
        doc.setHtml(options.text)
        #  bad long (multiline) strings processing doc.setTextWidth(options.rect.width())

        options.text = ""
        style.drawControl(QStyle.CE_ItemViewItem, options, painter)

        ctx = QAbstractTextDocumentLayout.PaintContext()

        # Highlighting text if item is selected
        if option.state & QStyle.State_Selected:
            ctx.palette.setColor(QPalette.Text, option.palette.color(QPalette.Active, QPalette.Text))

        textRect = style.subElementRect(QStyle.SE_ItemViewItemText, options)
        painter.save()
        painter.translate(textRect.topLeft())
        painter.setClipRect(textRect.translated(-textRect.topLeft()))
        doc.documentLayout().draw(painter, ctx)

        painter.restore()

# 需要导入模块: from PyQt5.QtGui import QTextDocument [as 别名]
# 或者: from PyQt5.QtGui.QTextDocument import setDocumentMargin [as 别名]

#.........这里部分代码省略.........
        self._painter.setPen(color)

        ctx = QAbstractTextDocumentLayout.PaintContext()
        ctx.palette.setColor(QPalette.Text, self._painter.pen().color())
        if clip.isValid():
            self._painter.setClipRect(clip)
            ctx.clip = clip
        self._doc.documentLayout().draw(self._painter, ctx)
        self._painter.restore()

    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
        # https://github.com/qutebrowser/qutebrowser/issues/118
        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))

        if self._doc is not None:
            self._doc.deleteLater()
        self._doc = QTextDocument(self)
        self._doc.setDefaultFont(self._opt.font)
        self._doc.setDefaultTextOption(text_option)
        self._doc.setDocumentMargin(2)

        assert _cached_stylesheet is not None
        self._doc.setDefaultStyleSheet(_cached_stylesheet)

        if index.parent().isValid():
            view = self.parent()
            pattern = view.pattern
            columns_to_filter = index.model().columns_to_filter(index)
            if index.column() in columns_to_filter and pattern:
                repl = r'<span class="highlight">\g<0></span>'
                pat = html.escape(re.escape(pattern)).replace(r'\ ', r'|')
                txt = html.escape(self._opt.text)
                text = re.sub(pat, repl, txt, flags=re.IGNORECASE)
                self._doc.setHtml(text)
            else:
                self._doc.setPlainText(self._opt.text)
        else:
            self._doc.setHtml(
                '<span style="font: {};">{}</span>'.format(
                    html.escape(config.val.fonts.completion.category),
                    html.escape(self._opt.text)))

    def _draw_focus_rect(self):
        """Draw the focus rectangle of an ItemViewItem."""
        state = self._opt.state
        if not state & QStyle.State_HasFocus:
            return
        o = self._opt
        o.rect = self._style.subElementRect(
            self._style.SE_ItemViewItemFocusRect, self._opt, self._opt.widget)
        o.state |= QStyle.State_KeyboardFocusChange | QStyle.State_Item
        qtutils.ensure_valid(o.rect)