Mega Code Archive
Show a tool tip inside a rectangle
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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
//package org.eclipse.swt.snippets;
/*
* Tool Tips example snippet: show a tool tip inside a rectangle
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
public class ToolTipRectangle {
public static void main(String[] args) {
Display display = new Display();
final Color[] colors = { display.getSystemColor(SWT.COLOR_RED),
display.getSystemColor(SWT.COLOR_GREEN), display.getSystemColor(SWT.COLOR_BLUE), };
final Rectangle[] rects = { new Rectangle(10, 10, 30, 30), new Rectangle(20, 45, 25, 35),
new Rectangle(80, 80, 10, 10), };
final Shell shell = new Shell(display);
Listener mouseListener = new Listener() {
public void handleEvent(Event event) {
switch (event.type) {
case SWT.MouseEnter:
case SWT.MouseMove:
for (int i = 0; i < rects.length; i++) {
if (rects[i].contains(event.x, event.y)) {
String text = "ToolTip " + i;
if (!(text.equals(shell.getToolTipText()))) {
shell.setToolTipText("ToolTip " + i);
}
return;
}
}
shell.setToolTipText(null);
break;
}
}
};
shell.addListener(SWT.MouseMove, mouseListener);
shell.addListener(SWT.MouseEnter, mouseListener);
shell.addListener(SWT.Paint, new Listener() {
public void handleEvent(Event event) {
GC gc = event.gc;
for (int i = 0; i < rects.length; i++) {
gc.setBackground(colors[i]);
gc.fillRectangle(rects[i]);
gc.drawRectangle(rects[i]);
}
}
});
shell.setSize(200, 200);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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