public static void main(String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display);
final Button button = new Button(shell, SWT.NONE);
button.setSize(100, 100);
button.setText("Click");
shell.pack();
shell.open();
button.addListener(
SWT.MouseDown,
new Listener() {
@Override
public void handleEvent(Event e) {
System.out.println(
"Mouse Down (button: " + e.button + " x: " + e.x + " y: " + e.y + ")");
}
});
final Point pt = display.map(shell, null, 50, 50);
new Thread() {
Event event;
@Override
public void run() {
try {
Thread.sleep(300);
} catch (InterruptedException e) {
}
event = new Event();
event.type = SWT.MouseMove;
event.x = pt.x;
event.y = pt.y;
display.post(event);
try {
Thread.sleep(300);
} catch (InterruptedException e) {
}
event.type = SWT.MouseDown;
event.button = 1;
display.post(event);
try {
Thread.sleep(300);
} catch (InterruptedException e) {
}
event.type = SWT.MouseUp;
display.post(event);
}
}.start();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
public static void buttonTab() {
TabItem tab = new TabItem(folder, SWT.CLOSE);
tab.setText("Buttons");
tab.setToolTipText("Different kinds of Buttons");
Composite composite = new Composite(folder, SWT.NONE);
composite.setLayout(new GridLayout(4, true));
for (int dir : new int[] {SWT.UP, SWT.RIGHT, SWT.LEFT, SWT.DOWN}) {
Button b = new Button(composite, SWT.ARROW | dir);
b.addListener(SWT.MouseDown, listener);
}
newButton(composite, SWT.CHECK, "Check button");
newButton(composite, SWT.PUSH, "Push button");
newButton(composite, SWT.RADIO, "Radio button");
newButton(composite, SWT.TOGGLE, "Toggle button");
newButton(composite, SWT.FLAT, "Flat button");
tab.setControl(composite);
}
public static void directoryDialogTab() {
TabItem tab = new TabItem(folder, SWT.CLOSE);
tab.setText("Directory Dialog");
tab.setToolTipText("Select a directory");
final Button b = new Button(folder, SWT.PUSH);
b.setText("Select a Directory");
b.addListener(
SWT.MouseDown,
new Listener() {
public void handleEvent(Event e) {
DirectoryDialog dd = new DirectoryDialog(shell);
String path = dd.open();
if (path != null) b.setText(path);
}
});
tab.setControl(b);
}
public static void main(String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display);
shell.setText("Widget");
final Table table = new Table(shell, SWT.MULTI);
table.setLinesVisible(true);
table.setBounds(10, 10, 100, 100);
for (int i = 0; i < 9; i++) {
new TableItem(table, SWT.NONE).setText("item" + i);
}
Button button = new Button(shell, SWT.PUSH);
button.setText("Capture");
button.pack();
button.setLocation(10, 140);
button.addListener(
SWT.Selection,
event -> {
Point tableSize = table.getSize();
GC gc = new GC(table);
final Image image = new Image(display, tableSize.x, tableSize.y);
gc.copyArea(image, 0, 0);
gc.dispose();
Shell popup = new Shell(shell);
popup.setText("Image");
popup.addListener(SWT.Close, e -> image.dispose());
Canvas canvas = new Canvas(popup, SWT.NONE);
canvas.setBounds(10, 10, tableSize.x + 10, tableSize.y + 10);
canvas.addPaintListener(e -> e.gc.drawImage(image, 0, 0));
popup.pack();
popup.open();
});
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
public static void main(String[] args) {
final Display display = new Display();
// Shell must be created with style SWT.NO_TRIM
final Shell shell = new Shell(display, SWT.NO_TRIM | SWT.ON_TOP);
shell.setBackground(display.getSystemColor(SWT.COLOR_RED));
// define a region that looks like a key hole
Region region = new Region();
region.add(circle(67, 67, 67));
region.subtract(circle(20, 67, 50));
region.subtract(new int[] {67, 50, 55, 105, 79, 105});
// define the shape of the shell using setRegion
shell.setRegion(region);
Rectangle size = region.getBounds();
shell.setSize(size.width, size.height);
// add ability to move shell around
Listener l =
new Listener() {
/** The x/y of the MouseDown, relative to top-left of the shell. */
Point origin;
@Override
public void handleEvent(Event e) {
switch (e.type) {
case SWT.MouseDown:
Point point = shell.toDisplay(e.x, e.y);
Point loc = shell.getLocation();
origin = new Point(point.x - loc.x, point.y - loc.y);
break;
case SWT.MouseUp:
origin = null;
break;
case SWT.MouseMove:
if (origin != null) {
Point p = display.map(shell, null, e.x, e.y);
shell.setLocation(p.x - origin.x, p.y - origin.y);
}
break;
}
}
};
shell.addListener(SWT.MouseDown, l);
shell.addListener(SWT.MouseUp, l);
shell.addListener(SWT.MouseMove, l);
// add ability to close shell
Button b = new Button(shell, SWT.PUSH);
b.setBackground(shell.getBackground());
b.setText("close");
b.pack();
b.setLocation(10, 68);
b.addListener(
SWT.Selection,
new Listener() {
@Override
public void handleEvent(Event e) {
shell.close();
}
});
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
region.dispose();
display.dispose();
}
private static void newButton(Composite composite, int type, String label) {
Button b = new Button(composite, type);
b.setText(label);
b.addListener(SWT.MouseDown, listener);
}
public static void main(String[] args) {
final Display display = new Display();
final Clipboard clipboard = new Clipboard(display);
final Shell shell = new Shell(display, SWT.SHELL_TRIM);
shell.setLayout(new GridLayout());
shell.setText("Clipboard ImageTransfer");
final Button imageButton = new Button(shell, SWT.NONE);
GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
gd.minimumHeight = 400;
gd.minimumWidth = 600;
imageButton.setLayoutData(gd);
final Text imageText = new Text(shell, SWT.BORDER);
imageText.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));
Composite buttons = new Composite(shell, SWT.NONE);
buttons.setLayout(new GridLayout(4, true));
Button button = new Button(buttons, SWT.PUSH);
button.setText("Open");
button.addListener(
SWT.Selection,
event -> {
FileDialog dialog = new FileDialog(shell, SWT.OPEN);
dialog.setText("Open an image file or cancel");
String string = dialog.open();
if (string != null) {
imageButton.setText("");
Image image = imageButton.getImage();
if (image != null) image.dispose();
image = new Image(display, string);
imageButton.setImage(image);
imageText.setText(string);
}
});
button = new Button(buttons, SWT.PUSH);
button.setText("Copy");
button.addListener(
SWT.Selection,
event -> {
Image image = imageButton.getImage();
if (image != null) {
ImageTransfer imageTransfer = ImageTransfer.getInstance();
TextTransfer textTransfer = TextTransfer.getInstance();
clipboard.setContents(
new Object[] {image.getImageData(), imageText.getText()},
new Transfer[] {imageTransfer, textTransfer});
}
});
button = new Button(buttons, SWT.PUSH);
button.setText("Paste");
button.addListener(
SWT.Selection,
event -> {
ImageData imageData = (ImageData) clipboard.getContents(ImageTransfer.getInstance());
if (imageData != null) {
imageButton.setText("");
Image image = imageButton.getImage();
if (image != null) image.dispose();
image = new Image(display, imageData);
imageButton.setImage(image);
} else {
imageButton.setText("No image");
imageButton.setImage(null);
}
String text = (String) clipboard.getContents(TextTransfer.getInstance());
if (text != null) {
imageText.setText(text);
} else {
imageText.setText("");
}
});
button = new Button(buttons, SWT.PUSH);
button.setText("Clear");
button.addListener(
SWT.Selection,
event -> {
imageButton.setText("");
Image image = imageButton.getImage();
if (image != null) image.dispose();
imageButton.setImage(null);
imageText.setText("");
});
shell.pack();
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) display.sleep();
}
display.dispose();
}
