IDEA-106716 Don't steal focus

platform/platform-api/src/com/intellij/openapi/wm/FocusCommand.java

@@ -19,6 +19,8 @@ import com.intellij.openapi.ui.popup.util.PopupUtil;
 import com.intellij.openapi.util.ActionCallback;
 import com.intellij.openapi.util.ActiveRunnable;
 import com.intellij.openapi.util.Expirable;
+import com.intellij.openapi.util.registry.Registry;
+import com.intellij.util.ui.UIUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -149,8 +151,26 @@ public abstract class FocusCommand extends ActiveRunnable implements Expirable {
     @NotNull
     public final ActionCallback run() {
       if (myToFocus != null) {
-        if (!myToFocus.requestFocusInWindow()) {
-          myToFocus.requestFocus();
+        if (Registry.is("actionSystem.doNotStealFocus")) {
+          Window topWindow = SwingUtilities.windowForComponent(myToFocus);
+          UIUtil.setAutoRequestFocus(topWindow, topWindow.isActive());
+          while (topWindow.getOwner() != null) {
+            topWindow = SwingUtilities.windowForComponent(topWindow);
+            UIUtil.setAutoRequestFocus(topWindow, topWindow.isActive());
+          }
+
+          if (topWindow.isActive()) {
+            if (!myToFocus.requestFocusInWindow()) {
+              myToFocus.requestFocus();
+            }
+          } else {
+            myToFocus.requestFocusInWindow();
+          }
+
+        } else {
+          if (!myToFocus.requestFocusInWindow()) {
+            myToFocus.requestFocus();
+          }
         }
       }
       clear();

platform/platform-impl/src/com/intellij/ui/Splash.java

@@ -60,6 +60,7 @@ public class Splash extends JDialog implements StartupProgress {
     setUndecorated(true);
     setResizable(false);
     setFocusableWindowState(false);
+    UIUtil.setAutoRequestFocus(this, false);
 
     Icon originalImage = IconLoader.getIcon(imageName);
     myImage = new SplashImage(originalImage, textColor);
@@ -79,7 +80,6 @@ public class Splash extends JDialog implements StartupProgress {
     setSize(size);
     pack();
     setLocationRelativeTo(null);
-    UIUtil.setAutoRequestFocus(this, false);
   }
 
   public Splash(ApplicationInfoEx info) {

platform/platform-resources-en/src/misc/registry.properties

@@ -29,6 +29,7 @@ actionSystem.mac.screenMenuNotUpdatedFix=false
 actionSystem.keyGestures.enabled=false
 actionSystem.keyGestureDblClickTime=500
 actionSystem.suspendFocusTransferIfApplicationInactive=true
+actionSystem.doNotStealFocus=false
 actionSystem.noContextComponentWhileFocusTransfer=true
 actionSystem.secondKeystrokeTimeout=2000
 actionSystem.secondKeystrokeAutoPopupEnabled=false