def __init__(self, text='', width=0, font=None, img=None, max_height=100, align=Qt.AlignmentFlag.AlignCenter): self.layouts = [] self._position = Point(0, 0) self.leading = self.line_spacing = 0 if font is not None: fm = QFontMetrics(font, img) self.leading = fm.leading() self.line_spacing = fm.lineSpacing() for text in text.split('<br>') if text else (): text, formats = parse_text_formatting(sanitize(text)) l = QTextLayout(unescape_formatting(text), font, img) l.setAdditionalFormats(formats) to = QTextOption(align) to.setWrapMode(QTextOption.WrapMode.WrapAtWordBoundaryOrAnywhere) l.setTextOption(to) l.beginLayout() height = 0 while height + 3*self.leading < max_height: line = l.createLine() if not line.isValid(): break line.setLineWidth(width) height += self.leading line.setPosition(QPointF(0, height)) height += line.height() max_height -= height l.endLayout() if self.layouts: self.layouts.append(self.leading) else: self._position = Point(l.position().x(), l.position().y()) self.layouts.append(l) if self.layouts: self.layouts.append(self.leading)
def __init__(self, parent, max_height=1000): QWidget.__init__(self, parent) self.setFocusPolicy(Qt.FocusPolicy.NoFocus) self.setFocusProxy(parent) self.setVisible(False) self.setMouseTracking(True) self.setCursor(Qt.CursorShape.PointingHandCursor) self.current_results = self.current_size_hint = None self.max_text_length = 0 self.current_index = -1 self.current_top_index = 0 self.max_height = max_height self.text_option = to = QTextOption() to.setWrapMode(QTextOption.WrapMode.NoWrap) to.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignVCenter) self.rendered_text_cache = {} parent.installEventFilter(self) self.relayout_timer = t = QTimer(self) t.setSingleShot(True), t.setInterval(25), t.timeout.connect( self.layout)
def paint(self, painter, option, index): QStyledItemDelegate.paint(self, painter, option, index) text, positions = index.data(Qt.ItemDataRole.UserRole) self.initStyleOption(option, index) painter.save() painter.setFont(option.font) p = option.palette c = QPalette.ColorRole.HighlightedText if option.state & QStyle.StateFlag.State_Selected else QPalette.ColorRole.Text group = (QPalette.ColorGroup.Active if option.state & QStyle.StateFlag.State_Active else QPalette.ColorGroup.Inactive) c = p.color(group, c) painter.setClipRect(option.rect) if positions is None or -1 in positions: painter.setPen(c) painter.drawText(option.rect, Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignVCenter | Qt.TextFlag.TextSingleLine, text) else: to = QTextOption() to.setWrapMode(QTextOption.WrapMode.NoWrap) to.setAlignment(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignVCenter) positions = sorted(set(positions) - {-1}, reverse=True) text = '<body>%s</body>' % make_highlighted_text(emphasis_style(), text, positions) doc = QTextDocument() c = 'rgb(%d, %d, %d)'%c.getRgb()[:3] doc.setDefaultStyleSheet(' body { color: %s }'%c) doc.setHtml(text) doc.setDefaultFont(option.font) doc.setDocumentMargin(0.0) doc.setDefaultTextOption(to) height = doc.size().height() painter.translate(option.rect.left(), option.rect.top() + (max(0, option.rect.height() - height) // 2)) doc.drawContents(painter) painter.restore()
def __init__(self, parent=None): QWidget.__init__(self, parent=parent) self.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Expanding) self.results = () self.current_result = -1 self.max_result = -1 self.mouse_hover_result = -1 self.setMouseTracking(True) self.setFocusPolicy(Qt.FocusPolicy.NoFocus) self.text_option = to = QTextOption() to.setWrapMode(QTextOption.WrapMode.NoWrap) self.divider = QStaticText('\xa0→ \xa0') self.divider.setTextFormat(Qt.TextFormat.PlainText)