| /******************************************************************************* |
| * 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.graphics.Color; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.TableColumn; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.swt.widgets.TreeItem; |
| |
| /* |
| * Title: Bug 528155: [GTK] Table/Tree forgets to set SWT.SELECTED bit on PaintItem |
| * How to run: launch snippet and click the first row of either Table/Tree widget |
| * Bug description: The red selection foreground color is not displayed for either Table/Tree |
| * Expected results: The selected items of each widget should have a red foreground color |
| * GTK Version(s): GTK2, GTK3 |
| */ |
| public class Bug528155_TableTreeForegroundDrawing { |
| |
| public static void main(String[] args) { |
| final Display display = new Display(); |
| |
| final Shell shell = new Shell(display); |
| shell.setLayout(new FillLayout()); |
| |
| final Color defaultBack = display.getSystemColor(SWT.COLOR_YELLOW); |
| final Color defaultFore = display.getSystemColor(SWT.COLOR_DARK_GRAY); |
| final Color selectionBack = display.getSystemColor(SWT.COLOR_BLUE); |
| final Color selectionBackUnfocused = display.getSystemColor(SWT.COLOR_GRAY); |
| final Color selectionFore = display.getSystemColor(SWT.COLOR_RED); |
| |
| final Tree tree = new Tree(shell, SWT.BORDER); |
| tree.setBackground(defaultBack); |
| tree.setForeground(defaultFore); |
| final Listener treeListener = event -> { |
| if (event.type == SWT.MeasureItem) { |
| event.width = 50; |
| } |
| else if (event.type == SWT.EraseItem) { |
| if ((event.detail & SWT.SELECTED) != 0) { |
| event.gc.setBackground(tree.isFocusControl() ? selectionBack : selectionBackUnfocused); |
| event.gc.fillRectangle(event.x, event.y, event.width, event.height); |
| event.detail &= ~SWT.SELECTED; |
| } |
| } |
| else if (event.type == SWT.PaintItem) { |
| if ((event.detail & SWT.SELECTED) != 0) { |
| event.gc.setForeground(selectionFore); |
| } |
| event.gc.drawString("Node " + event.index, event.x, event.y, true); |
| } |
| }; |
| tree.addListener(SWT.MeasureItem, treeListener); |
| tree.addListener(SWT.EraseItem, treeListener); |
| tree.addListener(SWT.PaintItem, treeListener); |
| |
| new TreeItem(tree, SWT.NONE); |
| new TreeItem(tree, SWT.NONE); |
| |
| final Table table = new Table(shell, SWT.BORDER | SWT.VIRTUAL); |
| table.setBackground(defaultBack); |
| table.setForeground(defaultFore); |
| table.setHeaderVisible(true); |
| |
| final TableColumn column = new TableColumn(table, SWT.LEFT); |
| column.setText("Column 1"); |
| column.setWidth(400); |
| |
| final Listener tableListener = event -> { |
| if (event.type == SWT.MeasureItem) { |
| event.width = 50; |
| } |
| else if (event.type == SWT.EraseItem) { |
| if ((event.detail & SWT.SELECTED) != 0) { |
| event.gc.setBackground(table.isFocusControl() ? selectionBack : selectionBackUnfocused); |
| event.gc.fillRectangle(event.x, event.y, event.width, event.height); |
| // cachedDetail = event.detail; |
| event.detail &= ~SWT.SELECTED; |
| } |
| } |
| else if (event.type == SWT.PaintItem) { |
| // if ((cachedDetail & SWT.SELECTED) != 0) { |
| if ((event.detail & SWT.SELECTED) != 0) { |
| event.gc.setForeground(selectionFore); |
| } |
| event.gc.drawString("Row " + event.index, event.x, event.y, true); |
| } |
| else if (event.type == SWT.SetData) { |
| } |
| }; |
| table.addListener(SWT.SetData, tableListener); |
| table.addListener(SWT.MeasureItem, tableListener); |
| table.addListener(SWT.EraseItem, tableListener); |
| table.addListener(SWT.PaintItem, tableListener); |
| |
| table.setItemCount(2); |
| |
| shell.setSize(500, 400); |
| shell.open(); |
| |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) { |
| display.sleep(); |
| } |
| } |
| |
| display.dispose(); |
| } |
| } |