def add_item_to_conversation_view(self, msg, type=0): label_msg = QLabel(msg) label_msg.setWordWrap(True) label_msg.setStyleSheet('font-size:10pt;') inner_text_layout = QHBoxLayout() horizonalSpacer1 = QSpacerItem(0, 0, QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding) if type == 0: inner_text_layout.addWidget(label_msg) inner_text_layout.addItem(horizonalSpacer1) elif type == 1: inner_text_layout.addItem(horizonalSpacer1) inner_text_layout.addWidget(label_msg) inner_layout = QVBoxLayout() time_msg = QLabel(str(time.asctime(time.localtime(time.time())))) time_msg.setStyleSheet('font-size:8pt;') inner_layout.addItem(inner_text_layout) inner_layout.addWidget(time_msg) inner_layout.setSizeConstraint(QLayout.SetFixedSize) outer_layout = QHBoxLayout() horizonalSpacer2 = QSpacerItem(0, 0, QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding) if type == 0: label_msg.setStyleSheet( 'background: #e5e5ea; padding: 6px; border-radius: 8px;') time_msg.setAlignment(Qt.AlignLeft) outer_layout.addItem(inner_layout) outer_layout.addItem(horizonalSpacer2) elif type == 1: label_msg.setStyleSheet( 'background: #1d86f4; padding: 6px; border-radius: 8px; color:#fff;' ) time_msg.setAlignment(Qt.AlignRight) outer_layout.addItem(horizonalSpacer2) outer_layout.addItem(inner_layout) outer_layout.setSizeConstraint(QLayout.SetMinimumSize) widget = QWidget() widget.setLayout(outer_layout) widget.resize(widget.sizeHint()) item = QListWidgetItem() item.setSizeHint(widget.sizeHint()) self._widget.listWidget.addItem(item) self._widget.listWidget.setItemWidget(item, widget) self._widget.listWidget.scrollToBottom()