| 42 | |
| 43 | |
| 44 | class LatexFragmentDialog(QDialog): |
| 45 | _PREVIEW_MAX_W = 500 |
| 46 | _PREVIEW_MAX_H = 250 |
| 47 | |
| 48 | def __init__(self, latex_code: str = "", |
| 49 | preamble_path: str = "", |
| 50 | svg_bytes: bytes | None = None, |
| 51 | display_width: int | None = None, |
| 52 | display_height: int | None = None, |
| 53 | parent=None): |
| 54 | super().__init__(parent, Qt.Window) |
| 55 | self.setWindowTitle("LaTeX Fragment") |
| 56 | self.setMinimumWidth(560) |
| 57 | self._svg_bytes: bytes | None = svg_bytes |
| 58 | self._natural_w: int | None = None |
| 59 | self._natural_h: int | None = None |
| 60 | |
| 61 | outer = QVBoxLayout(self) |
| 62 | outer.setSizeConstraint(QLayout.SetMinimumSize) |
| 63 | |
| 64 | # ── preamble row ────────────────────────────────────────────────────── |
| 65 | prow = QHBoxLayout() |
| 66 | prow.addWidget(QLabel("Preamble:")) |
| 67 | self._preamble_edit = QLineEdit(preamble_path or _find_slicap_preamble()) |
| 68 | self._preamble_edit.setReadOnly(True) |
| 69 | self._preamble_edit.setPlaceholderText("(default: amsmath + amssymb)") |
| 70 | self._preamble_edit.setMinimumWidth(280) |
| 71 | browse_btn = QPushButton("Browse…") |
| 72 | browse_btn.clicked.connect(self._browse_preamble) |
| 73 | clear_btn = QPushButton("Clear") |
| 74 | clear_btn.clicked.connect(self._clear_preamble) |
| 75 | prow.addWidget(self._preamble_edit, stretch=1) |
| 76 | prow.addWidget(browse_btn) |
| 77 | prow.addWidget(clear_btn) |
| 78 | outer.addLayout(prow) |
| 79 | |
| 80 | # ── code editor ─────────────────────────────────────────────────────── |
| 81 | mono = QFont("Courier New", 10) |
| 82 | mono.setStyleHint(QFont.Monospace) |
| 83 | self._code_edit = QPlainTextEdit() |
| 84 | self._code_edit.setFont(mono) |
| 85 | self._code_edit.setMinimumHeight(130) |
| 86 | self._code_edit.setPlainText(latex_code) |
| 87 | outer.addWidget(self._code_edit) |
| 88 | |
| 89 | # ── preview button + status ─────────────────────────────────────────── |
| 90 | prev_row = QHBoxLayout() |
| 91 | self._prev_btn = QPushButton("Preview") |
| 92 | self._prev_btn.clicked.connect(self._render) |
| 93 | self._status_lbl = QLabel("") |
| 94 | self._status_lbl.setWordWrap(True) |
| 95 | prev_row.addWidget(self._prev_btn) |
| 96 | prev_row.addWidget(self._status_lbl, stretch=1) |
| 97 | outer.addLayout(prev_row) |
| 98 | |
| 99 | # ── preview area ────────────────────────────────────────────────────── |
| 100 | self._preview_lbl = QLabel("(click Preview to render)") |
| 101 | self._preview_lbl.setAlignment(Qt.AlignCenter) |
no outgoing calls
no test coverage detected