(self)
| 264 | self._ok_btn.setEnabled(False) |
| 265 | |
| 266 | def _render(self) -> None: |
| 267 | from .latex_label import render_latex_raw |
| 268 | from .model_item import ModelItem |
| 269 | params = self._current_params() |
| 270 | code = ModelItem.build_latex( |
| 271 | self._name_edit.text().strip(), |
| 272 | self._type_combo.currentText(), |
| 273 | params, |
| 274 | ) |
| 275 | preamble = self._preamble_edit.text() |
| 276 | self._prev_btn.setEnabled(False) |
| 277 | self._status_lbl.setText("Rendering…") |
| 278 | QApplication.processEvents() |
| 279 | svg_bytes, error = render_latex_raw(code, preamble) |
| 280 | self._prev_btn.setEnabled(True) |
| 281 | if svg_bytes: |
| 282 | self._svg_bytes = svg_bytes |
| 283 | self._status_lbl.setText("OK") |
| 284 | self._show_svg(svg_bytes) |
| 285 | self._compute_natural_size(svg_bytes) |
| 286 | self._update_size_labels() |
| 287 | self._ok_btn.setEnabled(True) |
| 288 | else: |
| 289 | self._svg_bytes = None |
| 290 | self._status_lbl.setText(f"Error: {error}") |
| 291 | self._preview_lbl.setText("(render failed)") |
| 292 | self._ok_btn.setEnabled(False) |
| 293 | |
| 294 | def _show_svg(self, svg_bytes: bytes) -> None: |
| 295 | from PySide6.QtSvg import QSvgRenderer |
nothing calls this directly
no test coverage detected