feat: AR-VMS-Seaman initial commit — Python FastAPI + PySide6 (runtime server + desktop studio client)

vmssailor/studio/editors/mimic_editor.py

@@ -66,6 +66,7 @@ class MimicEditor(QWidget):
         # Almacén in-memory de mímicos por sistema:
         #   { system_id_value : [SymbolSpec, ...] }
         self._mimics: dict[str, list[SymbolSpec]] = {}
+        self._empty_state_active: bool = True
 
         outer = QVBoxLayout(self)
         outer.setContentsMargins(12, 12, 12, 12)
@@ -227,15 +228,46 @@ class MimicEditor(QWidget):
         self.mimicChanged.emit()
 
     def _on_palette_double_click(self, item: QListWidgetItem) -> None:
+        """Agrega un símbolo nuevo SIN reconstruir la escena.
+
+        Si ya hay símbolos arrastrados por el usuario, conservan posición.
+        El nuevo se coloca en el siguiente slot libre de una grilla 6 × N.
+        """
         sys = self._current_system()
         if sys is None:
             return
         kind = item.data(Qt.ItemDataRole.UserRole)
-        new_spec = SymbolSpec(kind=kind, x=100, y=100, label="")
-        self._mimics.setdefault(sys, []).append(new_spec)
-        self._render_current()
+        existing = self._mimics.setdefault(sys, [])
+        x, y = self._next_free_position(existing)
+        new_spec = SymbolSpec(kind=kind, x=x, y=y, label="")
+        existing.append(new_spec)
+
+        if self._empty_state_active:
+            # En empty state hay un label central; render completo para limpiarlo
+            self._render_current()
+        else:
+            # Solo agrega el nuevo item — preserva posiciones arrastradas
+            new_item = make_symbol(new_spec)
+            self._scene.addItem(new_item)
+            new_item.setSelected(True)
+            self._symbol_count.setText(f"{len(existing)} símbolos")
         self.mimicChanged.emit()
 
+    def _next_free_position(self, specs: list[SymbolSpec]) -> tuple[float, float]:
+        """Devuelve (x, y) en una grilla 6 × N evitando solapamientos."""
+        col_w, row_h = 110, 90
+        cols = 6
+        used = set()
+        for s in specs:
+            col = int(round((s.x - 40) / col_w))
+            row = int(round((s.y - 40) / row_h))
+            used.add((col, row))
+        for row in range(30):
+            for col in range(cols):
+                if (col, row) not in used:
+                    return 40.0 + col * col_w, 40.0 + row * row_h
+        return 40.0, 40.0
+
     def _render_current(self) -> None:
         sys = self._current_system()
         self._scene.clear()
@@ -250,12 +282,14 @@ class MimicEditor(QWidget):
             )
             self._symbol_count.setText("0 símbolos")
             return
+        self._empty_state_active = False
         self._draw_grid()
         for spec in specs:
             self._scene.addItem(make_symbol(spec))
         self._symbol_count.setText(f"{len(specs)} símbolos")
 
     def _draw_empty_state(self, msg: str) -> None:
+        self._empty_state_active = True
         self._draw_grid()
         text = self._scene.addText(msg, ui_font(11))
         text.setDefaultTextColor(QColor(C_FOG))