From 9f51472ca5a78dce60fa78a48a08db5048b9ac40 Mon Sep 17 00:00:00 2001
From: Pascal Boutin <contact@pboutin.net>
Date: Tue, 3 Sep 2024 10:27:01 -0400
Subject: [PATCH] Set the windows adapter as the default one

---
 src/electron/dofus-windows-adapters/active.js | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 src/electron/dofus-windows-adapters/active.js

diff --git a/src/electron/dofus-windows-adapters/active.js b/src/electron/dofus-windows-adapters/active.js
new file mode 100644
index 0000000..06fe1d6
--- /dev/null
+++ b/src/electron/dofus-windows-adapters/active.js
@@ -0,0 +1,47 @@
+import koffi from 'koffi';
+
+const user32 = koffi.load('user32.dll');
+
+const FindWindowA = user32.func('__stdcall', 'FindWindowA', 'int', ['str', 'str']);
+
+const SwitchToThisWindow = user32.func('__stdcall', 'SwitchToThisWindow', 'void', ['int', 'bool']);
+
+const WNDENUMPROC = koffi.proto('bool __stdcall WNDENUMPROC(void *hwnd, intptr_t lparam)');
+const EnumWindows = user32.func('bool EnumWindows(WNDENUMPROC *func, intptr_t lparam)');
+
+const HANDLE = koffi.pointer('HANDLE', koffi.opaque());
+const HWND = koffi.alias('HWND', HANDLE);
+const GetWindowText = user32.func('int __stdcall GetWindowTextA(HWND hWnd, _Out_ uint8_t *lpString, int nMaxCount)');
+
+const listDofusWindows = () => {
+  const dofusClients = [];
+
+  EnumWindows((hwnd, lparam) => {
+    let buf = Buffer.allocUnsafe(1024);
+    GetWindowText(hwnd, buf, buf.length);
+    const windowName = koffi.decode(buf, 'char', 100);
+
+    const match = windowName.match(/(.+) - Dofus 2\./);
+    if (match) {
+      dofusClients.push({
+        windowName,
+        character: match[1],
+      });
+    }
+    return true;
+  }, 100);
+
+  return dofusClients;
+};
+
+const focusDofusWindow = (characterToFocus) => {
+  const dofusWindows = listDofusWindows();
+
+  const characterWindow = dofusWindows.find(({ character }) => character === characterToFocus);
+  if (!characterWindow) return;
+
+  const hwnd = FindWindowA(null, characterWindow.windowName);
+  SwitchToThisWindow(hwnd, false);
+};
+
+export default { listDofusWindows, focusDofusWindow };