feat: Implement poster rendering options with ASCII, Viu, and RichPixels support

renamer/widgets/poster_widget.py

@@ -0,0 +1,29 @@
+"""Custom widget for rendering poster images."""
+
+from textual.widget import Widget
+from textual.widgets import Static
+from rich.console import RenderableType
+from typing import Union
+
+
+class PosterWidget(Static):
+    """Widget optimized for displaying poster images with Rich renderables.
+
+    This widget properly handles both string content and Rich renderables
+    (like Pixels from rich-pixels) without escaping or markup processing.
+    """
+
+    def __init__(self, *args, **kwargs):
+        """Initialize poster widget with markup disabled."""
+        # Force markup=False to prevent text processing
+        kwargs['markup'] = False
+        super().__init__(*args, **kwargs)
+
+    def update_poster(self, renderable: Union[str, RenderableType]) -> None:
+        """Update poster display with new content.
+
+        Args:
+            renderable: String or Rich Renderable object to display
+        """
+        # Directly update with the renderable - Textual handles Rich renderables natively
+        self.update(renderable if renderable else "")