First upload, 18 controller version

app/ui/preview_fullscreen.py

@@ -0,0 +1,52 @@
+from __future__ import annotations
+
+from app.qt_compat import QLabel, Qt, QVBoxLayout, QWidget
+
+from app.ui.preview_modes import PREVIEW_MODE_TILE
+from app.ui.preview_widget import PreviewWidget
+
+
+class FullscreenPreviewWindow(QWidget):
+    def __init__(
+        self,
+        controller,
+        preview_mode: str = PREVIEW_MODE_TILE,
+        scene_role: str = "live",
+        technical_preview: bool | None = None,
+        parent: QWidget | None = None,
+    ) -> None:
+        super().__init__(parent)
+        self.setWindowTitle("Infinity Mirror Preview")
+        self.setWindowFlag(Qt.Window, True)
+        self.setAttribute(Qt.WA_DeleteOnClose, False)
+
+        layout = QVBoxLayout(self)
+        layout.setContentsMargins(0, 0, 0, 0)
+        layout.setSpacing(0)
+
+        self.preview_widget = PreviewWidget(
+            controller,
+            preview_mode=preview_mode,
+            scene_role=scene_role,
+            technical_preview=technical_preview,
+        )
+        self.preview_widget.tileClicked.connect(controller.set_selected_tile)
+        layout.addWidget(self.preview_widget, 1)
+
+        hint = QLabel("Press F11 or Escape to leave fullscreen preview")
+        hint.setAlignment(Qt.AlignCenter)
+        hint.setStyleSheet("background: #2D2D30; color: #CCCCCC; padding: 8px; font-size: 12px; border-top: 1px solid #3C3C3C;")
+        layout.addWidget(hint)
+
+    def set_preview_mode(self, mode: str) -> None:
+        self.preview_widget.set_preview_mode(mode)
+
+    def set_technical_preview(self, enabled: bool) -> None:
+        self.preview_widget.set_technical_preview(enabled)
+
+    def keyPressEvent(self, event) -> None:
+        if event.key() in {Qt.Key_F11, Qt.Key_Escape}:
+            self.hide()
+            event.accept()
+            return
+        super().keyPressEvent(event)