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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
* @test
* @key headful
* @bug 7172750
* @summary Test to check Synth ScrollBar:ScrollBarThumb[].backgroundPainter is invoked
* @run main SynthScrollbarThumbPainterTest
*/
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.awt.image.BufferedImage;
import javax.swing.JComponent;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.Painter;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
public class SynthScrollbarThumbPainterTest {
private static Robot testRobot;
private static Point pos = new Point();
private static MyFrame testFrame;
public static void main(String[] args) throws Exception {
// Create Robot
testRobot = new Robot();
// Create test UI
String lookAndFeelString = "javax.swing.plaf.nimbus.NimbusLookAndFeel";
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
try {
constructTestUI(lookAndFeelString);
} catch (Exception ex) {
throw new RuntimeException("Exception creating test UI");
}
}
});
testRobot.waitForIdle();
testRobot.delay(200);
// Run test method
testScrollBarThumbPainter();
// Dispose test UI
disposeTestUI();
}
private static void disposeTestUI() throws Exception {
SwingUtilities.invokeAndWait(() -> {
testFrame.dispose();
});
}
private static void constructTestUI(String lookAndFeelString) throws Exception {
// Set look and feel
UIManager.setLookAndFeel(lookAndFeelString);
// Set ScrollBarThumb background painters
UIManager.getLookAndFeelDefaults().put("ScrollBar:ScrollBarThumb[Enabled].backgroundPainter", new FillPainter(Color.RED));
UIManager.getLookAndFeelDefaults().put("ScrollBar:ScrollBarThumb[MouseOver].backgroundPainter", new FillPainter(Color.GREEN));
UIManager.getLookAndFeelDefaults().put("ScrollBar:ScrollBarThumb[Pressed].backgroundPainter", new FillPainter(Color.BLUE));
// Create UI
testFrame = new MyFrame();
}
private static void testScrollBarThumbPainter() throws Exception {
Point p = testFrame.getLocation();
pos.setLocation(p.x + 185, p.y + 80); // offset where scrollbar exists
testRobot.delay(200);
// Get the scrollbar color
Color ScrollbarColor = testFrame.getPixelColor(pos.x - p.x, pos.y - p.y);
// Assert ScrollbarThumb 'Enable' state color
if (!ScrollbarColor.equals(Color.RED)) {
disposeTestUI();
throw new RuntimeException("ScrollbarThumb 'Enable' state color does not match expected color");
}
// Move the mouse over scrollbar
testRobot.mouseMove(pos.x, pos.y);
testRobot.delay(200);
ScrollbarColor = testFrame.getPixelColor(pos.x - p.x, pos.y - p.y);
//Assert ScrollbarThumb 'MouseOver' state color
if (!ScrollbarColor.equals(Color.GREEN)) {
disposeTestUI();
throw new RuntimeException("ScrollbarThumb 'MouseOver' state color does not match expected color");
}
// Mouse Press on scrollbar
testRobot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
testRobot.delay(200);
ScrollbarColor = testFrame.getPixelColor(pos.x - p.x, pos.y - p.y);
testRobot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
testRobot.delay(200);
//Assert ScrollbarThumb 'Pressed' state color
if (!ScrollbarColor.equals(Color.BLUE)) {
disposeTestUI();
throw new RuntimeException("ScrollbarThumb 'Pressed' state color does not match expected color");
}
}
}
class FillPainter implements Painter<JComponent> {
private final Color color;
FillPainter(Color c) {
color = c;
}
@Override
public void paint(Graphics2D g, JComponent object, int width, int height) {
g.setColor(color);
g.fillRect(0, 0, width - 1, height - 1);
}
}
class MyFrame extends JFrame {
private BufferedImage bi;
private final String content = "A\nB\nC\nD\nE\nF\nG\nH\nI\nJ\nK\nL\nM\nN\nO";
public MyFrame() {
JEditorPane editpane = new JEditorPane();
editpane.setEditable(false);
editpane.setText(content);
editpane.setCaretPosition(0);
JScrollPane scrollpane = new JScrollPane(editpane);
add(scrollpane);
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
setSize(new Dimension(200, 200));
bi = new BufferedImage(200, 200, BufferedImage.TYPE_INT_ARGB);
setResizable(false);
setVisible(true);
}
public Color getPixelColor(int x, int y) {
paintFrameToBufferedImage(this);
int pixel = bi.getRGB(x, y);
int alpha = (pixel >> 24) & 0xff;
int red = (pixel >> 16) & 0xff;
int green = (pixel >> 8) & 0xff;
int blue = (pixel) & 0xff;
Color pixelColor = new Color(red, green, blue, alpha);
return pixelColor;
}
private void paintFrameToBufferedImage(Component component) {
component.paint(bi.getGraphics());
}
} //MyFrame