Merge pull request #88 from Unity-Technologies/UNI-23240-bring-Unity-to-front-Windows

UNI-23240 wrote c# script to bring Unity to front on Windows

Author: vkovec

Assets/Integrations/Autodesk/maya2017/scripts/unityOneClick/commands.py

@@ -151,8 +151,8 @@ def doIt(self, args):
                 .format(unityAppPath, unityProjectPath, unityCommand)
 
         elif maya.cmds.about(windows=True):
-            melCommand = r'system("start \"{0}\" -projectPath {1} -executeMethod {2}");'\
-                .format(unityAppPath, unityProjectPath, unityCommand)
+            melCommand = r'system("start \"{0}\" \"{1}\" \"-projectPath {2} -executeMethod {3}\"");'\
+                .format(unityProjectPath + "/Assets/Integrations/BringToFront.exe", unityAppPath, unityProjectPath, unityCommand)
 
         else:
             raise NotImplementedError("missing platform implementation for {0}".format(maya.cmds.about(os=True)))

BringToFront.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Runtime.InteropServices; 
+using System.Diagnostics;
+
+namespace FbxExporters
+{
+    class Program
+    {
+
+        [DllImport("USER32.DLL", CharSet = CharSet.Unicode)]
+        public static extern IntPtr FindWindow(String lpClassName, String lpWindowName);
+
+        [DllImport("USER32.DLL")]
+        public static extern bool SetForegroundWindow(IntPtr hWnd);
+        [DllImport("User32.dll")]
+        private static extern bool IsIconic(IntPtr handle);
+        [DllImport("User32.dll")]
+        private static extern bool ShowWindow(IntPtr handle, int nCmdShow);
+        const int SW_RESTORE = 9;
+        public static void bringToFront(string title)
+        {
+            // Get a handle to the application.
+            IntPtr handle = FindWindow(null, title);
+
+            // Verify that this is a running process.
+            if (handle == IntPtr.Zero)
+            {
+                return;
+            }
+            if (IsIconic(handle))
+            {
+                ShowWindow(handle, SW_RESTORE);
+            }
+
+            SetForegroundWindow(handle);
+        }
+
+        static void Main(string[] args)
+        {
+            Process[] processlist = Process.GetProcessesByName("Unity");
+
+            bool found = false;
+            foreach (Process process in processlist)
+            {
+                if (!String.IsNullOrEmpty(process.MainWindowTitle))
+                {
+                    bringToFront(process.MainWindowTitle);
+                    found = true;
+                }
+            }
+            
+            if(!found){
+                Process myProcess = new Process();
+                myProcess.StartInfo.FileName = args[0];
+                if(args.Length > 1){
+                    myProcess.StartInfo.Arguments = args[1]; 
+                }
+                myProcess.Start();
+            }
+        }
+    }
+}