| /******************************************************************************* |
| * Copyright (c) 2018 Red Hat and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Red Hat - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.tests.gtk.snippets; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.layout.*; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Bug299045_TableLines { |
| |
| public static void main(String[] args) { |
| final Display display = new Display(); |
| final Image image = display.getSystemImage(SWT.ICON_INFORMATION); |
| Shell shell = new Shell(display); |
| shell.setText("Images on the right side of the TableItem"); |
| shell.setLayout(new FillLayout()); |
| Table table = new Table(shell, SWT.MULTI | SWT.FULL_SELECTION); |
| table.setHeaderVisible(true); |
| table.setLinesVisible(false); // changing this to true makes the dotted lines thicker |
| int columnCount = 3; |
| for(int i = 0; i < columnCount; i++) { |
| TableColumn column = new TableColumn(table, SWT.NONE); |
| column.setText("Column " + i); |
| } |
| final int itemCount = 10; |
| for(int i = 0; i < itemCount; i++) { |
| TableItem item = new TableItem(table, SWT.NONE); |
| item.setText(new String[] {"item " + i + " a", "item " + i + " Bug510183_javadocHang", "item " + i + " c"}); |
| } |
| Listener paintListener = new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| switch(event.type) { |
| case SWT.MeasureItem: { |
| Rectangle rect = image.getBounds(); |
| event.width += rect.width; |
| event.height = Math.max(event.height, rect.height + 2); |
| break; |
| } |
| case SWT.EraseItem: { |
| event.detail &= ~SWT.FOREGROUND; |
| event.detail &= ~SWT.BACKGROUND; |
| event.detail &= ~SWT.SELECTED; |
| event.detail &= ~SWT.FOCUSED; |
| event.detail &= ~SWT.HOT; |
| event.doit = false; |
| break; |
| } |
| case SWT.PaintItem: { |
| Rectangle rect = image.getBounds(); |
| |
| // shouldn't we subtract rect.width? |
| // it looks like the event.width value set in the SWT.MeasureItem wasn't retained... |
| int x = event.x + event.width /*- rect.width*/; |
| int offset = Math.max(0, (event.height - rect.height) / 2); |
| event.gc.drawImage(image, x, event.y + offset); |
| |
| // draws only a blue background filling up the entire cell |
| // Color blue = display.getSystemColor(SWT.COLOR_BLUE); |
| // event.gc.setBackground(blue); |
| // int adhocOffset = 2; |
| // event.gc.fillRectangle(event.x - adhocOffset, event.y, |
| // event.width + rect.width + adhocOffset, event.height); |
| |
| break; |
| } |
| } |
| } |
| }; |
| table.addListener(SWT.MeasureItem, paintListener); |
| table.addListener(SWT.EraseItem, paintListener); |
| table.addListener(SWT.PaintItem, paintListener); |
| |
| for(int i = 0; i < columnCount; i++) { |
| table.getColumn(i).pack(); |
| } |
| shell.setSize(500, 500); |
| shell.open(); |
| while(!shell.isDisposed()) { |
| if(!display.readAndDispatch()) |
| display.sleep(); |
| } |
| |
| // this is incorrect, the graphics.image wasn't allocated by the user! |
| // if(graphics.image != null) |
| // graphics.image.dispose(); |
| |
| display.dispose(); |
| } |
| } |