| Grid bug under windows [message #586258] |
Fri, 09 November 2007 17:12 |
 blutkind 
Messages: 25
Registered: July 2009 |
Junior Member |
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Hi,
We've discovered strange behaviour of grid on windows, when it's placed
into the shell, that also contains combo. Just run the snippet that
follows and perform these steps:
How to see the bug:
1)Click in the first cell in the grid.
2)Click the combo box once, drop-down list is closed
3)Click the last cell in the grid
4)All grid is selected
As far as we understood, combo's dropdown list behaves like a modal
dialog, and, moreover, when you perform step 3 the grid receives only
MouseUp event - maybe that's the issue. Strangely, but this doesn't
appear under MacOS X.
Are we doing something wrong, or is it a bug? I've decided to ask here
first, before posting bug report.
*********** the snippet******************
package org.eclipse.swt.nebula.snippets.grid;
import org.eclipse.nebula.widgets.grid.Grid;
import org.eclipse.nebula.widgets.grid.GridColumn;
import org.eclipse.nebula.widgets.grid.GridItem;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
/**
* @author svo
*
*/
public class GridBugSnippet {
/**
* @param args
*/
public static void main (String [] args) {
Display display = new Display ();
Shell shell = new Shell (display);
shell.setLayout(new FillLayout());
shell.setSize(800, 600);
Composite composite = new Composite(shell, SWT.NONE);
composite.setLayout(new RowLayout());
Combo combo = new Combo(composite, SWT.READ_ONLY);
combo.setItems(new String[] {"test1", "test2", "test3"});
combo.select(0);
Text text = new Text(composite, SWT.MULTI | SWT.READ_ONLY);
text.setText("How to see the bug:\n" +
"1)Click in the first cell in the grid.\n" +
"2)Click the combo box once, drop-down list is closed\n" +
"3)Click the last cell in the grid\n" +
"4)All grid is selected");
Grid grid = new Grid(shell,SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
grid.setHeaderVisible(true);
grid.setCellSelectionEnabled(true);
GridColumn column = new GridColumn(grid,SWT.NONE);
column.setText("Column 1");
column.setWidth(100);
GridColumn column2 = new GridColumn(grid,SWT.NONE);
column2.setText("Column 2");
column2.setWidth(100);
GridItem item1 = new GridItem(grid,SWT.NONE);
item1.setText("First Item");
item1.setText(1,"xxxxxxx");
GridItem item2 = new GridItem(grid,SWT.NONE);
item2.setText("This cell spans both columns");
item1.setText(1,"xxxxxxx");
item2.setColumnSpan(0,1);
GridItem item3 = new GridItem(grid,SWT.NONE);
item3.setText("Third Item");
item1.setText(1,"xxxxxxx");
shell.setSize(200,200);
shell.open ();
shell.pack();
while (!shell.isDisposed()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}
***********************
PS I used the snippet from eclipse.org as a basis.
Regards,
Stanislav
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