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POHow to set rows and columns of a widget in grid layout?
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copied! <p>I am using grid layout in a shell. I want to control the location of widgets. As you can see the bottom buttons have to be on row 4. I am using windowbuilder plugin and it can place them in desired places.</p> <p><img src="https://i.stack.imgur.com/hdGhg.png" alt="my shell using windowbuilder"></p> <p>The problem is I can't see the placement instruction in source code. How can I place them the programmatic way. Here is the source code window builder generates.</p> <pre class="lang-java prettyprint-override"><code>package dgsj.Chapter04.examples.ch4; import org.eclipse.swt.widgets.*; public class GridLayout2x2 { private static GridData data_1; private static GridData data_2; public static void main(String[] args) { Display display = new Display(); Shell shell = new Shell(display); shell.setMinimumSize(new Point(123, 30)); shell.setSize(126, 123); GridLayout layout = new GridLayout(); layout.numColumns = 3; shell.setLayout(layout); GridData data = new GridData(GridData.FILL_BOTH); data.grabExcessHorizontalSpace = false; data.widthHint = 200; data.grabExcessVerticalSpace = false; Button one = new Button(shell, SWT.PUSH); one.setText("one"); one.setLayoutData(data); data = new GridData(GridData.FILL_BOTH); Button two = new Button(shell, SWT.PUSH); two.setText("two"); two.setLayoutData(data); new Label(shell, SWT.NONE); new Label(shell, SWT.NONE); data_2 = new GridData(GridData.FILL_BOTH); Button four = new Button(shell, SWT.PUSH); four.setText("four"); four.setLayoutData(data_2); new Label(shell, SWT.NONE); new Label(shell, SWT.NONE); new Label(shell, SWT.NONE); new Label(shell, SWT.NONE); new Label(shell, SWT.NONE); Button btnNewButton = new Button(shell, SWT.NONE); btnNewButton.setText("New Button"); data_1 = new GridData(GridData.FILL_BOTH); data_1.grabExcessVerticalSpace = false; data_1.grabExcessHorizontalSpace = false; Button three = new Button(shell, SWT.PUSH); three.setText("three"); three.setLayoutData(data_1); shell.pack(); shell.open(); while (!shell.isDisposed()) { if (!display.readAndDispatch()) { display.sleep(); } } display.dispose(); } } </code></pre>

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