Make missing markdown path selectable (#1042)

Co-authored-by: cmux <cmux@cmuxs-Mac-mini.local>

Resources/Localizable.xcstrings

@@ -72685,6 +72685,40 @@
           }
         }
       }
+    },
+    "markdown.fileUnavailable.message": {
+      "extractionState": "manual",
+      "localizations": {
+        "en": {
+          "stringUnit": {
+            "state": "translated",
+            "value": "The file may have been moved or deleted."
+          }
+        },
+        "ja": {
+          "stringUnit": {
+            "state": "translated",
+            "value": "ファイルが移動または削除された可能性があります。"
+          }
+        }
+      }
+    },
+    "markdown.fileUnavailable.title": {
+      "extractionState": "manual",
+      "localizations": {
+        "en": {
+          "stringUnit": {
+            "state": "translated",
+            "value": "File unavailable"
+          }
+        },
+        "ja": {
+          "stringUnit": {
+            "state": "translated",
+            "value": "ファイルを利用できません"
+          }
+        }
+      }
     }
   }
 }

Sources/Panels/MarkdownPanelView.swift

@@ -86,15 +86,17 @@ struct MarkdownPanelView: View {
             Image(systemName: "doc.questionmark")
                 .font(.system(size: 40))
                 .foregroundColor(.secondary)
-            Text("File unavailable")
+            Text(String(localized: "markdown.fileUnavailable.title", defaultValue: "File unavailable"))
                 .font(.headline)
                 .foregroundColor(.primary)
             Text(panel.filePath)
                 .font(.system(size: 12, design: .monospaced))
                 .foregroundColor(.secondary)
-                .lineLimit(2)
                 .multilineTextAlignment(.center)
-            Text("The file may have been moved or deleted.")
+                .textSelection(.enabled)
+                .fixedSize(horizontal: false, vertical: true)
+                .padding(.horizontal, 24)
+            Text(String(localized: "markdown.fileUnavailable.message", defaultValue: "The file may have been moved or deleted."))
                 .font(.caption)
                 .foregroundColor(.secondary)
         }