add importing from prefix

src/ipc/index.js

@@ -180,6 +180,27 @@ function registerIpc({ getWindow, onGamesChanged }) {
       return errorResult(err)
     }
   })
+  // import from an existing wine prefix: pick the prefix first, then the app
+  // folder inside it (drive_c) - paths are stored prefix-relative so the app
+  // shows up for wine as a regular C:\ install
+  ipcMain.handle('games:pickPrefixFolder', async (e, prefix) => {
+    // open the picker straight in the prefix's C: drive (plain wine: top
+    // level, Proton: under pfx/)
+    const driveC = prefixes.prefixDriveRoot(prefix)
+    const res = await dialog.showOpenDialog(getWindow(), {
+      title: i18n.translate(library.loadSettings().language, 'import.pickPrefixFolder'),
+      defaultPath: driveC || prefixes.prefixPath(prefix),
+      properties: ['openDirectory']
+    })
+    return res.canceled || !res.filePaths[0] ? null : res.filePaths[0]
+  })
+  ipcMain.handle('games:importFromPrefix', async (e, prefix, srcDir) => {
+    try {
+      return await games.importFromPrefix(getWindow(), prefix, srcDir)
+    } catch (err) {
+      return errorResult(err)
+    }
+  })
 
   // dialogs & shell ---------------------------------------------------------------------------
   ipcMain.handle('dialog:pickFile', async (e, opts) => {