platform/platform-api/src/com/intellij/ui/tabs/impl/TabLayout.java

/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.ui.tabs.impl;

import com.intellij.openapi.util.registry.Registry;
import org.jetbrains.annotations.NotNull;

import java.awt.*;

public abstract class TabLayout {

  public ShapeTransform createShapeTransform(Dimension dimension) {
    return createShapeTransform(new Rectangle(0, 0, dimension.width, dimension.height));
  }

  public ShapeTransform createShapeTransform(Rectangle rectangle) {
    return new ShapeTransform.Top(rectangle);
  }

  public boolean isDragOut(@NotNull TabLabel tabLabel, int deltaX, int deltaY) {
    return Math.abs(deltaY) > tabLabel.getSize().height * getDragOutMultiplier();
  }

  public boolean isSideComponentOnTabs() {
    return false;
  }

  public static double getDragOutMultiplier() {
    return Registry.doubleValue("ide.tabbedPane.dragOutMultiplier");
  }

  public abstract int getDropIndexFor(Point point);
}