From 687ab392864167441f1cabddcee27f16819fa920 Mon Sep 17 00:00:00 2001
From: Reece Browne <reecebrowne1995@gmail.com>
Date: Thu, 11 Sep 2025 19:36:44 +0100
Subject: [PATCH] Text selection

---
 frontend/package-lock.json                    | 18 +++++++++++++++
 frontend/package.json                         |  1 +
 .../src/components/viewer/LocalEmbedPDF.tsx   | 17 +++++++++-----
 .../viewer/SelectionControlsExporter.tsx      | 22 +++++++++++++++++++
 4 files changed, 53 insertions(+), 5 deletions(-)
 create mode 100644 frontend/src/components/viewer/SelectionControlsExporter.tsx

diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 6bd83b76c..3ba0d732e 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -16,6 +16,7 @@
         "@embedpdf/plugin-loader": "^1.1.1",
         "@embedpdf/plugin-render": "^1.1.1",
         "@embedpdf/plugin-scroll": "^1.1.1",
+        "@embedpdf/plugin-selection": "^1.1.1",
         "@embedpdf/plugin-viewport": "^1.1.1",
         "@embedpdf/plugin-zoom": "^1.1.1",
         "@emotion/react": "^11.14.0",
@@ -708,6 +709,23 @@
         "vue": ">=3.2.0"
       }
     },
+    "node_modules/@embedpdf/plugin-selection": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@embedpdf/plugin-selection/-/plugin-selection-1.1.1.tgz",
+      "integrity": "sha512-VHiLcXvM0a/bkWF2yAc7ltEIrwp1HHahtd5pMO0egODTqGKFzX6QhQ4PkL35KlVyDxMpowHj4pjgYYKPTqla0A==",
+      "dependencies": {
+        "@embedpdf/models": "1.1.1"
+      },
+      "peerDependencies": {
+        "@embedpdf/core": "1.1.1",
+        "@embedpdf/plugin-interaction-manager": "1.1.1",
+        "@embedpdf/plugin-viewport": "1.1.1",
+        "preact": "^10.26.4",
+        "react": ">=16.8.0",
+        "react-dom": ">=16.8.0",
+        "vue": ">=3.2.0"
+      }
+    },
     "node_modules/@embedpdf/plugin-viewport": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@embedpdf/plugin-viewport/-/plugin-viewport-1.1.1.tgz",
diff --git a/frontend/package.json b/frontend/package.json
index 5a10c0387..16bae6f9e 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -12,6 +12,7 @@
     "@embedpdf/plugin-loader": "^1.1.1",
     "@embedpdf/plugin-render": "^1.1.1",
     "@embedpdf/plugin-scroll": "^1.1.1",
+    "@embedpdf/plugin-selection": "^1.1.1",
     "@embedpdf/plugin-viewport": "^1.1.1",
     "@embedpdf/plugin-zoom": "^1.1.1",
     "@emotion/react": "^11.14.0",
diff --git a/frontend/src/components/viewer/LocalEmbedPDF.tsx b/frontend/src/components/viewer/LocalEmbedPDF.tsx
index d354fadcf..7c0d5191e 100644
--- a/frontend/src/components/viewer/LocalEmbedPDF.tsx
+++ b/frontend/src/components/viewer/LocalEmbedPDF.tsx
@@ -9,9 +9,11 @@ import { Scroller, ScrollPluginPackage, ScrollStrategy } from '@embedpdf/plugin-
 import { LoaderPluginPackage } from '@embedpdf/plugin-loader/react';
 import { RenderLayer, RenderPluginPackage } from '@embedpdf/plugin-render/react';
 import { ZoomPluginPackage, ZoomMode } from '@embedpdf/plugin-zoom/react';
-import { InteractionManagerPluginPackage } from '@embedpdf/plugin-interaction-manager/react';
+import { InteractionManagerPluginPackage, PagePointerProvider } from '@embedpdf/plugin-interaction-manager/react';
+import { SelectionLayer, SelectionPluginPackage } from '@embedpdf/plugin-selection/react';
 import { ZoomControlsExporter } from './ZoomControlsExporter';
 import { ScrollControlsExporter } from './ScrollControlsExporter';
+import { SelectionControlsExporter } from './SelectionControlsExporter';
 
 interface LocalEmbedPDFProps {
   file?: File | Blob;
@@ -59,9 +61,12 @@ export function LocalEmbedPDF({ file, url, colorScheme }: LocalEmbedPDFProps) {
       }),
       createPluginRegistration(RenderPluginPackage),
       
-      // Register interaction manager (required for zoom features)
+      // Register interaction manager (required for zoom and selection features)
       createPluginRegistration(InteractionManagerPluginPackage),
       
+      // Register selection plugin (depends on InteractionManager)
+      createPluginRegistration(SelectionPluginPackage),
+      
       // Register zoom plugin with configuration
       createPluginRegistration(ZoomPluginPackage, {
         defaultZoomLevel: ZoomMode.FitPage,
@@ -136,6 +141,7 @@ export function LocalEmbedPDF({ file, url, colorScheme }: LocalEmbedPDFProps) {
       <EmbedPDF engine={engine} plugins={plugins}>
         <ZoomControlsExporter />
         <ScrollControlsExporter />
+        <SelectionControlsExporter />
         <Viewport
           style={{
             backgroundColor: actualColorScheme === 'dark' ? '#1a1b1e' : '#f1f3f5',
@@ -145,10 +151,11 @@ export function LocalEmbedPDF({ file, url, colorScheme }: LocalEmbedPDFProps) {
           }}
         >
           <Scroller
-            renderPage={({ width, height, pageIndex, scale }: { width: number; height: number; pageIndex: number; scale: number }) => (
-              <div style={{ width, height }}>
+            renderPage={({ width, height, pageIndex, scale, rotation }: { width: number; height: number; pageIndex: number; scale: number; rotation?: number }) => (
+              <PagePointerProvider width={width} height={height} pageIndex={pageIndex} scale={scale} rotation={rotation}>
                 <RenderLayer pageIndex={pageIndex} scale={scale} />
-              </div>
+                <SelectionLayer pageIndex={pageIndex} scale={scale} />
+              </PagePointerProvider>
             )}
           />
         </Viewport>
diff --git a/frontend/src/components/viewer/SelectionControlsExporter.tsx b/frontend/src/components/viewer/SelectionControlsExporter.tsx
new file mode 100644
index 000000000..cddb64c3c
--- /dev/null
+++ b/frontend/src/components/viewer/SelectionControlsExporter.tsx
@@ -0,0 +1,22 @@
+import { useEffect } from 'react';
+import { useSelectionCapability } from '@embedpdf/plugin-selection/react';
+
+/**
+ * Component that runs inside EmbedPDF context and exports selection controls globally
+ */
+export function SelectionControlsExporter() {
+  const { provides: selection } = useSelectionCapability();
+
+  useEffect(() => {
+    if (selection) {
+      // Export selection controls to global window
+      (window as any).embedPdfSelection = {
+        copyToClipboard: () => selection.copyToClipboard(),
+        getSelectedText: () => selection.getSelectedText(),
+        getFormattedSelection: () => selection.getFormattedSelection(),
+      };
+    }
+  }, [selection]);
+
+  return null; // This component doesn't render anything
+}
\ No newline at end of file