list with filter revalidates popup on filtering text changes

platform/platform-api/src/com/intellij/openapi/ui/popup/JBPopup.java

@@ -182,4 +182,6 @@ public interface JBPopup extends Disposable, LightweightWindow {
   void moveToFitScreen();
 
   Point getLocationOnScreen();
+
+  void pack(boolean with, boolean height);
 }

platform/platform-api/src/com/intellij/openapi/ui/popup/PopupChooserBuilder.java

@@ -219,7 +219,6 @@ public class PopupChooserBuilder {
     }
 
     scrollPane.getViewport().setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
-    ((JComponent)scrollPane.getViewport().getView()).setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
 
     if (myChooserComponent instanceof ListWithFilter) {
       contentPane.add(myChooserComponent, BorderLayout.CENTER);

platform/platform-api/src/com/intellij/openapi/ui/popup/util/PopupUtil.java

@@ -50,6 +50,19 @@ public class PopupUtil {
     }
   }
 
+  public static JBPopup getPopupContainerFor(@Nullable Component c) {
+    if (c == null) return null;
+
+    final Window wnd = SwingUtilities.getWindowAncestor(c);
+    if (wnd instanceof JWindow) {
+      final JRootPane root = ((JWindow)wnd).getRootPane();
+      return (JBPopup)root.getClientProperty(JBPopup.KEY);
+    }
+
+    return null;
+
+  }
+
   public static void setPopupType(@NotNull final PopupFactory factory, final int type) {
     try {
       final Method method = PopupFactory.class.getDeclaredMethod("setPopupType", int.class);

platform/platform-api/src/com/intellij/ui/speedSearch/ListWithFilter.java

@@ -19,6 +19,8 @@
  */
 package com.intellij.ui.speedSearch;
 
+import com.intellij.openapi.ui.popup.JBPopup;
+import com.intellij.openapi.ui.popup.util.PopupUtil;
 import com.intellij.openapi.util.Condition;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.ui.LightColors;
@@ -101,6 +103,14 @@ public class ListWithFilter<T> extends JPanel {
         revalidate();
       }
     }
+
+    private void revalidate() {
+      JBPopup popup = PopupUtil.getPopupContainerFor(mySpeedSearchPatternField);
+      if (popup != null) {
+        popup.pack(false, true);
+      }
+      ListWithFilter.this.revalidate();
+    }
   }
 
   protected void onSpeedSearchPatternChanged() {

platform/platform-impl/src/com/intellij/ui/popup/AbstractPopup.java

@@ -692,6 +692,7 @@ public class AbstractPopup implements JBPopup {
     }
 
     myPopup.setRequestFocus(myRequestFocus);
+    pack(true, true);
     myPopup.show();
 
     final Window window = SwingUtilities.getWindowAncestor(myContent);
@@ -939,6 +940,28 @@ public class AbstractPopup implements JBPopup {
     wnd.setLocation(p.getScreenPoint());
   }
 
+  @Override
+  public void pack(boolean width, boolean height) {
+    if (!isVisible() || (!width && !height)) return;
+
+    Dimension size = getSize();
+    Dimension prefSize = myContent.computePreferredSize();
+
+
+    if (width) {
+      size.width = prefSize.width;
+    }
+
+    if (height) {
+      size.height = prefSize.height;
+    }
+
+    size = computeWindowSize(size);
+
+    final Window window = SwingUtilities.getWindowAncestor(myContent);
+    window.setSize(size);
+  }
+
   public void pack() {
     final Window window = SwingUtilities.getWindowAncestor(myContent);
 
@@ -1046,6 +1069,18 @@ public class AbstractPopup implements JBPopup {
                     this);
       }
     }
+
+    public Dimension computePreferredSize() {
+      if (isPreferredSizeSet()) {
+        Dimension setSize;
+        setSize = getPreferredSize();
+        setPreferredSize(null);
+        Dimension result = getPreferredSize();
+        setPreferredSize(setSize);
+        return result;
+      }
+      return getPreferredSize();
+    }
   }
 
   public boolean isCancelOnClickOutside() {
@@ -1122,19 +1157,27 @@ public class AbstractPopup implements JBPopup {
   }
 
   private void setSize(Dimension size, boolean adjustByContent) {
+    Dimension toSet = size;
     if (myPopup == null) {
-      myForcedSize = size;
+      myForcedSize = toSet;
     }
     else {
       if (adjustByContent) {
-        if (myAdCmp != null) {
-          size.height += myAdCmp.getPreferredSize().height;
-        }
+        toSet = computeWindowSize(toSet);
       }
-      updateMaskAndAlpha(setSize(myContent, size));
+      updateMaskAndAlpha(setSize(myContent, toSet));
     }
   }
 
+  private Dimension computeWindowSize(Dimension size) {
+    Dimension result = new Dimension(size);
+    if (myAdCmp != null && myAdCmp.isVisible()) {
+      result.height += myAdCmp.getPreferredSize().height;
+    }
+
+    return result;
+  }
+
   @Override
   public Dimension getSize() {
     if (myPopup != null) {