/*
* Copyright 2000-2010 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.openapi.editor.impl;
import gnu.trove.TIntIntHashMap;
import org.jetbrains.annotations.NotNull;
/**
* Defines callback that receives information about visual size change of component that represents data in lines-based mode.
*
* @author Denis Zhdanov
* @since 12/6/10 11:04 AM
*/
public interface VisualSizeChangeListener {
/**
* Notifies about new visual widths of the target logical lines.
* <p/>
* Assumes to be called on document change events.
* <p/>
* <b>Note:</b> it is assumed that
*
* @param startLine logical line that contains start offset of the changed region
* @param oldEndLine logical line that contained end offset of the changed region
* @param newEndLine logical line that contains end offset of the changed region
* @param lineWidths container of {@code 'logical line number -> line width in pixels} mappings
*/
void onLineWidthsChange(int startLine, int oldEndLine, int newEndLine, @NotNull TIntIntHashMap lineWidths);
}