allow to show hint in non-focused JBTextField if non-empty default value is entered

platform/platform-api/src/com/intellij/ui/components/JBTextField.java

@@ -50,6 +50,10 @@ public class JBTextField extends JTextField implements ComponentWithEmptyText {
     myEmptyText = new TextComponentEmptyText(this);
   }
 
+  public void setTextToTriggerEmptyTextStatus(String t) {
+    myEmptyText.setTextToTriggerStatus(t);
+  }
+
   @Override
   public void setText(String t) {
     super.setText(t);
@@ -65,6 +69,11 @@ public class JBTextField extends JTextField implements ComponentWithEmptyText {
   @Override
   protected void paintComponent(Graphics g) {
     super.paintComponent(g);
+    if (!myEmptyText.getStatusTriggerText().isEmpty() && myEmptyText.isStatusVisible()) {
+      g.setColor(getBackground());
+      g.fillRect(0, 0, getWidth(), getHeight());
+      g.setColor(getForeground());
+    }
     myEmptyText.paintStatusText(g);
   }
 }

platform/platform-api/src/com/intellij/ui/components/TextComponentEmptyText.java

@@ -16,6 +16,7 @@
 package com.intellij.ui.components;
 
 import com.intellij.util.ui.StatusText;
+import org.jetbrains.annotations.NotNull;
 
 import javax.swing.text.JTextComponent;
 import java.awt.*;
@@ -27,6 +28,7 @@ import java.awt.event.FocusListener;
 */
 class TextComponentEmptyText extends StatusText {
   private JTextComponent myOwner;
+  private String myStatusTriggerText = "";
 
   public TextComponentEmptyText(JTextComponent owner) {
     super(owner);
@@ -45,6 +47,15 @@ class TextComponentEmptyText extends StatusText {
     });
   }
 
+  public void setTextToTriggerStatus(@NotNull String defaultText) {
+    myStatusTriggerText = defaultText;
+  }
+
+  @NotNull
+  public String getStatusTriggerText() {
+    return myStatusTriggerText;
+  }
+
   public void paintStatusText(Graphics g) {
     getComponent().setFont(myOwner.getFont());
     paint(myOwner, g);
@@ -52,7 +63,7 @@ class TextComponentEmptyText extends StatusText {
 
   @Override
   protected boolean isStatusVisible() {
-    return myOwner.getText().isEmpty() && !myOwner.isFocusOwner();
+    return myOwner.getText().equals(myStatusTriggerText) && !myOwner.isFocusOwner();
   }
 
   @Override