[Workspaces] Bring Editor to foreground on hotkey (#34414)

src/modules/Workspaces/WorkspacesModuleInterface/dllmain.cpp

@@ -74,9 +74,16 @@ public:
     }
 
     virtual void OnHotkeyEx() override
+    {
+        if (is_process_running())
+        {
+            bring_process_to_front();
+        }
+        else
         {
             launch_editor();
         }
+    }
 
     // Return the configured status for the gpo policy for the module
     virtual powertoys_gpo::gpo_rule_configured_t gpo_policy_enabled_configuration() override
@@ -323,6 +330,29 @@ private:
         m_hProcess = sei.hProcess;
     }
 
+    void bring_process_to_front()
+    {
+        auto enum_windows = [](HWND hwnd, LPARAM param) -> BOOL {
+            HANDLE process_handle = reinterpret_cast<HANDLE>(param);
+            DWORD window_process_id = 0;
+
+            GetWindowThreadProcessId(hwnd, &window_process_id);
+            if (GetProcessId(process_handle) == window_process_id)
+            {
+                SetForegroundWindow(hwnd);
+                return FALSE;
+            }
+            return TRUE;
+        };
+
+        EnumWindows(enum_windows, (LPARAM)m_hProcess);
+    }
+
+    bool is_process_running() const
+    {
+        return WaitForSingleObject(m_hProcess, 0) == WAIT_TIMEOUT;
+    }
+
     std::wstring app_name;
     //contains the non localized key of the powertoy
     std::wstring app_key;