def f(): doc = QTextDocument() tables = lookup(line.text()) doc.setHtml( template.render(request={"script_root": ""}, tables=tables, url_for=lambda *_, **__: None)) doc.setTextWidth(doc.size().width()) pixmap = QPixmap(doc.size().width(), doc.size().height()) pixmap.fill(QColor(0, 0, 0, 0)) painter = QPainter(pixmap) doc.drawContents(painter) painter.end() lab.setPixmap(pixmap) lab.setFixedSize(pixmap.size())
def sizeHint(self, option, index): options = QStyleOptionViewItem(option) self.initStyleOption(options, index) doc = QTextDocument() doc.setHtml(options.text) doc.setTextWidth(options.rect.width()) return QSize(doc.idealWidth(), doc.size().height())
class QBlockCode(QCachedGraphicsItem): """ Top-level code widget for a selection of text. Will construct an AST using QBlockCodeObj, mirroring the structure associated with the target object. This text is then rendered using a QTextDocument, with appropriate styles applied to it. Interaction events will be propagated to corresponding objects. """ GRAPH_ADDR_SPACING = 20 addr: int _addr_str: str obj: QBlockCodeObj _config: ConfigurationManager disasm_view: 'QDisassemblyBaseControl' workspace: 'Workspace' infodock: InfoDock parent: Any def __init__(self, addr: int, obj: QBlockCodeObj, config: ConfigurationManager, disasm_view: 'QDisassemblyBaseControl', workspace: 'Workspace', infodock: InfoDock, parent: Any = None): super().__init__(parent=parent) self.addr = addr self._addr_str = "%08x" % self.addr self._addr_item: QGraphicsSimpleTextItem = None self.obj = obj self._width = 0 self._height = 0 self._config = config self.parent = parent self.workspace = workspace self.infodock = infodock self._disasm_view = disasm_view self._qtextdoc = QTextDocument() self._qtextdoc.setDefaultFont(self._config.disasm_font) self._qtextdoc.setDocumentMargin(0) self._addr_item = QGraphicsSimpleTextItem(self._addr_str, self) self._addr_item.setBrush(Conf.disasm_view_node_address_color) self._addr_item.setFont(Conf.disasm_font) self.update_document() self.setToolTip("Address: " + self._addr_str) self.refresh() def refresh(self): self._addr_item.setVisible(self._disasm_view.show_address) self._layout_items_and_update_size() def update_document(self): self._qtextdoc.clear() cur = QTextCursor(self._qtextdoc) self.obj.render_to_doc(cur) def paint(self, painter, option, widget): #pylint: disable=unused-argument self.update_document() painter.setRenderHints(QPainter.Antialiasing | QPainter.SmoothPixmapTransform | QPainter.HighQualityAntialiasing) painter.setFont(self._config.disasm_font) if self.infodock.is_instruction_selected( self.addr) or self.obj.should_highlight_line: highlight_color = Conf.disasm_view_node_instruction_selected_background_color painter.setBrush(highlight_color) painter.setPen(highlight_color) painter.drawRect(0, 0, self.width, self.height) x = 0 if self._disasm_view.show_address: x += self._addr_item.boundingRect().width( ) + self.GRAPH_ADDR_SPACING painter.translate(QPointF(x, 0)) self._qtextdoc.drawContents(painter) # # Event handlers # def get_obj_for_mouse_event(self, event: QMouseEvent) -> QBlockCodeObj: p = event.pos() if self._disasm_view.show_address: offset = self._addr_item.boundingRect().width( ) + self.GRAPH_ADDR_SPACING p.setX(p.x() - offset) if p.x() >= 0: hitpos = self._qtextdoc.documentLayout().hitTest( p, Qt.HitTestAccuracy.ExactHit) if hitpos >= 0: return self.obj.get_hit_obj(hitpos) return None def mousePressEvent(self, event): if event.button() == Qt.LeftButton: self.infodock.select_instruction(self.addr) obj = self.get_obj_for_mouse_event(event) if obj is not None: obj.mousePressEvent(event) def mouseDoubleClickEvent(self, event): obj = self.get_obj_for_mouse_event(event) if obj is not None: obj.mouseDoubleClickEvent(event) # # Private methods # def _layout_items_and_update_size(self): self.update_document() x, y = 0, 0 if self._disasm_view.show_address: self._addr_item.setPos(x, y) x += self._addr_item.boundingRect().width( ) + self.GRAPH_ADDR_SPACING x += self._qtextdoc.size().width() y += self._qtextdoc.size().height() self._width = x self._height = y self.recalculate_size() def _boundingRect(self): return QRectF(0, 0, self._width, self._height)