| /******************************************************************************* |
| * Copyright (c) 2020 Syntevo and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Syntevo - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.swt.tests.win32.snippets; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.*; |
| |
| public class Bug562043_DarkTableNoHover { |
| static void setColors(Control control, Color backColor, Color foreColor) { |
| control.setBackground(backColor); |
| control.setForeground(foreColor); |
| |
| if (control instanceof Table) { |
| Table table = (Table)control; |
| table.setHeaderBackground(backColor); |
| table.setHeaderForeground(foreColor); |
| } |
| |
| if (control instanceof Composite) { |
| for (Control child : ((Composite)control).getChildren()) { |
| setColors(child, backColor, foreColor); |
| } |
| } |
| } |
| |
| public static void main (String [] args) { |
| Display display = new Display (); |
| |
| // Enable dark scrollbars. |
| // Side effect: reverts Table to classic theme. |
| display.setData("org.eclipse.swt.internal.win32.useDarkModeExplorerTheme", true); |
| |
| Shell shell = new Shell (display); |
| shell.setLayout(new GridLayout(1, true)); |
| |
| new Label(shell, 0).setText( |
| "The problem here is that Table doesn't highlight selected\n" + |
| "and hovered items with dark scrollbars enabled." |
| ); |
| |
| // Table |
| final Table table = new Table(shell, SWT.BORDER); |
| table.setHeaderVisible(true); |
| TableColumn column1 = new TableColumn(table, 0); |
| column1.setText("TableColumn"); |
| column1.setWidth(100); |
| for (int x = 0; x < 8; x++) |
| { |
| TableItem item1 = new TableItem(table, 0); |
| item1.setText("Table item"); |
| } |
| |
| // This is what triggers the problem |
| table.addListener(SWT.EraseItem, event -> { |
| event.detail &= ~SWT.FOREGROUND; |
| }); |
| |
| // With '~SWT.FOREGROUND', items need to be painted. |
| // 'isTranspent=true' in 'drawText()' is important, otherwise |
| // it will use background colro set by Windows, which happen to |
| // be the selection color, partially hiding the problem. |
| table.addListener(SWT.PaintItem, event -> { |
| TableItem item = (TableItem)event.item; |
| event.gc.drawText(item.getText(), event.x, event.y, true); |
| }); |
| |
| new Label(shell, 0).setText( |
| "For comparison, Tree works fine." |
| ); |
| |
| // Tree |
| final Tree tree = new Tree(shell, SWT.BORDER); |
| for (int x = 0; x < 8; x++) |
| { |
| final TreeItem treeItem1 = new TreeItem(tree, 0); |
| treeItem1.setText("Tree item"); |
| final TreeItem treeItem2 = new TreeItem(treeItem1, 0); |
| treeItem2.setText("Tree subitem"); |
| } |
| |
| // Apply theme colors |
| Color backColor = new Color(display, 0x30, 0x30, 0x30); |
| Color foreColor = new Color(display, 0xD0, 0xD0, 0xD0); |
| setColors(shell, backColor, foreColor); |
| |
| // Pack and show shell |
| shell.pack(); |
| shell.open(); |
| |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch ()) display.sleep (); |
| } |
| |
| display.dispose (); |
| } |
| } |