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/*******************************************************************************
* Copyright (c) 2018 Red Hat and others. All rights reserved.
* The contents of this file are made available under the terms
* of the GNU Lesser General Public License (LGPL) Version 2.1 that
* accompanies this distribution (lgpl-v21.txt). The LGPL is also
* available at http://www.gnu.org/licenses/lgpl.html. If the version
* of the LGPL at http://www.gnu.org is different to the version of
* the LGPL accompanying this distribution and there is any conflict
* between the two license versions, the terms of the LGPL accompanying
* this distribution shall govern.
*
* Contributors:
* Red Hat - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.tests.gtk.snippets;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.TableEditor;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
/*
* Title: Bug 166720 - [TableEditor] flickers quite a bit when scrolling - Linux GTK
* How to run: launch snippet and scroll TableEditor.
* Bug description: TableEditor flickers when scrolling.
* Expected results: TableEditor should scroll smoothly.
* GTK Version(s): GTK2.x
*/
public class Bug166720_TableEditorFlicker {
public static void main(String[] args) {
Display display = new Display ();
Shell shell = new Shell (display);
shell.setLayout (new GridLayout ());
Table table = new Table (shell, SWT.BORDER | SWT.MULTI);
GridData gd = new GridData(GridData.FILL_BOTH);
gd.heightHint = 200;
gd.widthHint = 200;
table.setLayoutData(gd);
TableColumn column = new TableColumn(table, SWT.NONE);
column.setWidth (100);
for (int i=0; i<100; i++) {
new TableItem (table, SWT.NONE);
}
TableItem [] items = table.getItems ();
for (int i=0; i<items.length; i++) {
TableEditor editor = new TableEditor (table);
editor = new TableEditor (table);
Text text = new Text (table, SWT.NONE);
text.setText("Text" + i);
editor.grabHorizontal = true;
editor.setEditor(text, items[i], 0);
editor = new TableEditor (table);
}
shell.pack ();
shell.open ();
while (!shell.isDisposed ()) {
if (!display.readAndDispatch ()) display.sleep ();
}
display.dispose ();
}
}
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