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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.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();
}
}
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