3 files changed, 68 insertions, 0 deletions
diff --git a/frontend/src/components/modals/filepicker/patches/README.md b/frontend/src/components/modals/filepicker/patches/README.md
new file mode 100644
index 00000000..154914c5
--- /dev/null
+++ b/frontend/src/components/modals/filepicker/patches/README.md
@@ -0,0 +1 @@
+This directory contains patches that replace Valve's broken file picker with ours.
diff --git a/frontend/src/components/modals/filepicker/patches/index.ts b/frontend/src/components/modals/filepicker/patches/index.ts
new file mode 100644
index 00000000..310bfbf8
--- /dev/null
+++ b/frontend/src/components/modals/filepicker/patches/index.ts
@@ -0,0 +1,10 @@
+import library from './library';
+let patches: Function[] = [];
+
+export function deinitFilepickerPatches() {
+  patches.forEach((unpatch) => unpatch());
+}
+
+export async function initFilepickerPatches() {
+  patches.push(await library());
+}
diff --git a/frontend/src/components/modals/filepicker/patches/library.ts b/frontend/src/components/modals/filepicker/patches/library.ts
new file mode 100644
index 00000000..c9c7d53c
--- /dev/null
+++ b/frontend/src/components/modals/filepicker/patches/library.ts
@@ -0,0 +1,57 @@
+import { Patch, findModuleChild, replacePatch } from 'decky-frontend-lib';
+
+declare global {
+  interface Window {
+    SteamClient: any;
+    appDetailsStore: any;
+  }
+}
+
+let patch: Patch;
+
+function rePatch() {
+  // If you patch anything on SteamClient within the first few seconds of the client having loaded it will get redefined for some reason, so repatch any of these changes that occur within the first 20s of the last patch
+  patch = replacePatch(window.SteamClient.Apps, 'PromptToChangeShortcut', async ([appid]: number[]) => {
+    try {
+      const details = window.appDetailsStore.GetAppDetails(appid);
+      console.log(details);
+      // strShortcutStartDir
+      const file = await window.DeckyPluginLoader.openFilePicker(details.strShortcutStartDir.replaceAll('"', ''));
+      console.log('user selected', file);
+      window.SteamClient.Apps.SetShortcutExe(appid, JSON.stringify(file.path));
+      const pathArr = file.path.split('/');
+      pathArr.pop();
+      const folder = pathArr.join('/');
+      window.SteamClient.Apps.SetShortcutStartDir(appid, JSON.stringify(folder));
+    } catch (e) {
+      console.error(e);
+    }
+  });
+}
+
+// TODO type and add to frontend-lib
+const History = findModuleChild((m) => {
+  if (typeof m !== 'object') return undefined;
+  for (let prop in m) {
+    if (m[prop]?.m_history) return m[prop].m_history;
+  }
+});
+
+export default async function libraryPatch() {
+  try {
+    rePatch();
+    const unlisten = History.listen(() => {
+      if (window.SteamClient.Apps.PromptToChangeShortcut !== patch.patchedFunction) {
+        rePatch();
+      }
+    });
+
+    return () => {
+      patch.unpatch();
+      unlisten();
+    };
+  } catch (e) {
+    console.error('Error patching library file picker', e);
+  }
+  return () => {};
+}