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/*******************************************************************************
* Copyright (c) 2000, 2016 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.*;
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.*;
public class Snippet216 {
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 = 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, 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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