selection also

frontend/src/components/viewer/SelectionControlsExporter.tsx

@@ -1,11 +1,12 @@
-import { useEffect } from 'react';
-import { useSelectionCapability } from '@embedpdf/plugin-selection/react';
+import { useEffect, useState } from 'react';
+import { useSelectionCapability, SelectionRangeX } from '@embedpdf/plugin-selection/react';
 
 /**
  * Component that runs inside EmbedPDF context and exports selection controls globally
  */
 export function SelectionControlsExporter() {
   const { provides: selection } = useSelectionCapability();
+  const [hasSelection, setHasSelection] = useState(false);
 
   useEffect(() => {
     if (selection) {
@@ -14,9 +15,37 @@ export function SelectionControlsExporter() {
         copyToClipboard: () => selection.copyToClipboard(),
         getSelectedText: () => selection.getSelectedText(),
         getFormattedSelection: () => selection.getFormattedSelection(),
+        hasSelection: hasSelection,
+      };
+
+      // Listen for selection changes to track when text is selected
+      const unsubscribe = selection.onSelectionChange((sel: SelectionRangeX | null) => {
+        const hasText = !!sel;
+        setHasSelection(hasText);
+        // Update global state
+        if ((window as any).embedPdfSelection) {
+          (window as any).embedPdfSelection.hasSelection = hasText;
+        }
+      });
+
+      // Intercept Ctrl+C only when we have PDF text selected
+      const handleKeyDown = (event: KeyboardEvent) => {
+        if ((event.ctrlKey || event.metaKey) && event.key === 'c' && hasSelection) {
+          // Call EmbedPDF's copyToClipboard API
+          selection.copyToClipboard();
+          // Don't prevent default - let EmbedPDF handle the clipboard
+        }
+      };
+
+      // Add keyboard listener
+      document.addEventListener('keydown', handleKeyDown);
+
+      return () => {
+        unsubscribe?.();
+        document.removeEventListener('keydown', handleKeyDown);
       };
     }
-  }, [selection]);
+  }, [selection, hasSelection]);
 
   return null; // This component doesn't render anything
 }