Hi Niraj,
Thanks for answering. The problem with this snippet is, that it uses
"normal" table items, not owner drawn ones. Attached is a snippet with
owner draw. It would be interesting how I can tell the screen reader the
"text name/value" of a row. Thanks in advance.
--
Best regards,
Thomas Singer
=============
syntevo GmbH
www.syntevo.com
On 2020-06-18 11:52, Niraj Modi wrote:
Hi Thomas,
It should works on similar lines as below snippet from SWT snippets
https://www.eclipse.org/swt/snippets/ :
https://git.eclipse.org/c/platform/eclipse.platform.swt.git/tree/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet162.java
You could also take clues from other snippets from Accessibility section.
If it doesn't work-out, then share an example Snippet for your use-case ?
Regards,
Niraj Modi
From: Thomas Singer <ts-...@syntevo.com>
To: platform-dev@eclipse.org
Date: 17-06-2020 01:47 PM
Subject: [EXTERNAL] [platform-dev] Accessibility (Screen Reader)
Sent by: platform-dev-boun...@eclipse.org
Hi,
In our SWT based application we are using a lot of owner-drawn tables.
How we can provide information about selected rows (in compact and
detailed form) to a screen reader? I've tried something like
table.getAccessible().addAccessible*Listener(new Accessible*() {
...
});
but none of the listeners seems to make a change. Our tables still are
read as "1 of 197" in NVDA.
--
Best regards,
Thomas Singer
=============
syntevo GmbH
www.syntevo.com
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import org.eclipse.swt.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
/**
* @author Thomas Singer
*/
public class OwnerDrawnTable {
public static void main(String[] args) {
final Display display = new Display();
final Shell shell = new Shell(display);
shell.setLayout(new FillLayout());
final Composite composite = new Composite(shell, SWT.NONE);
composite.setLayout(new FillLayout());
final Table table = new Table(composite, SWT.VIRTUAL |
SWT.BORDER | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL);
table.setHeaderVisible(true);
table.setHeaderVisible(true);
final Listener listener = event -> {
final TableItem item = (TableItem)event.item;
if (event.type == SWT.EraseItem) {
// event.detail &= ~SWT.FOREGROUND;
}
else if (event.type == SWT.PaintItem) {
event.gc.drawText("hello", event.x, event.y,
true);
}
else if (event.type == SWT.MeasureItem) {
event.width = 100;
}
else if (event.type == SWT.SetData) {
final int index = table.indexOf(item);
item.setData("Item " + index);
}
};
table.addListener(SWT.EraseItem, listener);
table.addListener(SWT.SetData, listener);
table.addListener(SWT.MeasureItem, listener);
table.addListener(SWT.PaintItem, listener);
createColumn(SWT.LEFT, "Column 1", table);
createColumn(SWT.LEFT, "Column 2", table);
createColumn(SWT.LEFT, "Column 3", table);
shell.setSize(500, 450);
shell.open();
table.setRedraw(false);
try {
table.setSortColumn(table.getColumn(1));
table.setSortDirection(SWT.UP);
table.setItemCount(50);
table.clearAll();
table.setSelection(0);
}
finally {
table.setRedraw(true);
}
while (!shell.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
display.dispose();
}
private static void createColumn(int style, String text, Table table) {
final TableColumn tableColumn = new TableColumn(table, style);
tableColumn.setText(text);
tableColumn.setWidth(100);
}
}
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