Create a coolbar (relayout when resized)
/*
* CoolBar example snippet: create a coolbar (relayout when resized)
*
* For a list of all SWT example snippets see
* http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/dev.html#snippets
*/
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.CoolBar;
import org.eclipse.swt.widgets.CoolItem;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
public class Snippet150 {
static int itemCount;
static CoolItem createItem(CoolBar coolBar, int count) {
ToolBar toolBar = new ToolBar(coolBar, SWT.FLAT);
for (int i = 0; i < count; i++) {
ToolItem item = new ToolItem(toolBar, SWT.PUSH);
item.setText(itemCount++ + "");
}
toolBar.pack();
Point size = toolBar.getSize();
CoolItem item = new CoolItem(coolBar, SWT.NONE);
item.setControl(toolBar);
Point preferred = item.computeSize(size.x, size.y);
item.setPreferredSize(preferred);
return item;
}
public static void main(String[] args) {
Display display = new Display();
final Shell shell = new Shell(display);
CoolBar coolBar = new CoolBar(shell, SWT.NONE);
createItem(coolBar, 3);
createItem(coolBar, 2);
createItem(coolBar, 3);
createItem(coolBar, 4);
int style = SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL;
Text text = new Text(shell, style);
FormLayout layout = new FormLayout();
shell.setLayout(layout);
FormData coolData = new FormData();
coolData.left = new FormAttachment(0);
coolData.right = new FormAttachment(100);
coolData.top = new FormAttachment(0);
coolBar.setLayoutData(coolData);
coolBar.addListener(SWT.Resize, new Listener() {
public void handleEvent(Event event) {
shell.layout();
}
});
FormData textData = new FormData();
textData.left = new FormAttachment(0);
textData.right = new FormAttachment(100);
textData.top = new FormAttachment(coolBar);
textData.bottom = new FormAttachment(100);
text.setLayoutData(textData);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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