tests/org.eclipse.swt.tests.win32/ManualTests/org/eclipse/swt/tests/win32/snippets/Bug563475_DarkDisabledTable.java - platform/eclipse.platform.swt - Git at Google

 /*******************************************************************************
  * 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.Color;
 import org.eclipse.swt.graphics.GC;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.graphics.ImageData;
 import org.eclipse.swt.internal.win32.OS;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.*;

 public class Bug563475_DarkDisabledTable {
 	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);
 			}
 		}
 	}

 	static Image createImage(Display display) {
 		Color transparentColor = display.getSystemColor(SWT.COLOR_BLACK);

 		Image image = new Image(display, 16, 16);

 		GC gc = new GC(image);
 		gc.setBackground(transparentColor);
 		gc.fillRectangle(image.getBounds());
 		gc.setBackground(display.getSystemColor(SWT.COLOR_BLUE));
 		gc.fillRectangle(6, 6, 4, 4);
 		gc.dispose();

 		return image;
 	}

 	static Image createItemImage(Display display) {
 		Image image = createImage(display);
 		ImageData imageData = image.getImageData();
 		imageData.transparentPixel = imageData.getPixel(0, 0);

 		Image result = new Image(display, imageData);
 		image.dispose();

 		return result;
 	}

 	static Image createItemIcon(Display display) {
 		Image image = createImage(display);

 		Image result = new Image(display, image.getImageData(), image.getImageData());
 		image.dispose();

 		return result;
 	}

 	public static void main (String [] args) {
 		Display display = new Display ();
 		OS.setTheme(true);

 		Color backColor = new Color(display, 0x30, 0x30, 0x30);
 		Color foreColor = new Color(display, 0xD0, 0xD0, 0xD0);

 		Color backColorItem = new Color(display, 0x80, 0x00, 0x00);
 		Color foreColorItem = new Color(display, 0x00, 0x00, 0x80);

 		Image itemImage = createItemImage(display);
 		Image itemIcon  = createItemIcon(display);

 		Shell shell = new Shell (display);
 		GridLayout layout = new GridLayout();
 		layout.marginHeight = 10;
 		layout.marginWidth = 10;
 		layout.numColumns = 5;
 		shell.setLayout(layout);

 		new Label(shell, SWT.NONE).setText("");
 		Label hint = new Label(shell, 0);
 		GridData gridSpan4H = new GridData(SWT.FILL, SWT.FILL, true, true);
 		gridSpan4H.horizontalSpan = layout.numColumns - 1;
 		hint.setLayoutData(gridSpan4H);
 		hint.setText(
 			"1. Bug 563475 (since Bug 536621):\tNotice that 1C, 1D has background that doesn't fit dark theme\n" +
 			"2. Bug 563475:\t\t\tNotice that 1C, 1D, 2C, 2D has image background that doesn't fit dark theme\n" +
 			"3. Bug 547989 (since Bug 536621):\tNotice that 2A ignores Table#setBackground in sort column\n" +
 			"4. Bug 547989 (since Bug 536621):\tsame for 2B but it gets fixed after repainting items\n" +
 			"5. Bug 536621 (since Bug 516365):\t1B, 2B shall have background=red, foreground=blue on items 2 and 3\n" +
 			"6. Bug 516365:\t\t\t1C, 1D, 2C, 2D shall not have light background\n" +
 			"");

 		new Label(shell, SWT.NONE).setText("");
 		Label separator = new Label(shell, SWT.SEPARATOR | SWT.HORIZONTAL);
 		gridSpan4H = new GridData(SWT.FILL, SWT.FILL, true, true);
 		gridSpan4H.horizontalSpan = layout.numColumns - 1;
 		separator.setLayoutData(gridSpan4H);

 		new Label(shell, SWT.NONE).setText("");
 		new Label(shell, SWT.NONE).setText("(A) Enabled");
 		new Label(shell, SWT.NONE).setText("(B) Enabled\n+ TableItem.setBackground()");
 		new Label(shell, SWT.NONE).setText("(C) Disabled");
 		new Label(shell, SWT.NONE).setText("(D) Disabled\n+ TableItem.setBackground()");

 		final int numColumns = 3;

 		for (int iHasColumns = 0; iHasColumns < 2; iHasColumns++) {
 			if (iHasColumns == 0)
 				new Label(shell, SWT.NONE).setText("(1) No columns");
 			else
 				new Label(shell, SWT.NONE).setText("(2) With columns");

 			for (int iDisabled = 0; iDisabled < 2; iDisabled++)
 			for (int iStyledItem = 0; iStyledItem < 2; iStyledItem++) {
 				// SWT.CHECK is there to make sure that background behind it is also good
 				final Table table = new Table(shell, SWT.CHECK | SWT.BORDER | SWT.FULL_SELECTION);
 				table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

 				if (iHasColumns != 0) {
 					// Not important
 					table.setHeaderVisible(true);

 					// SWT code in `Table#CDDS_PREPAINT` significantly depends
 					// on whether there are columns in table.
 					for (int iColumn = 0; iColumn < numColumns; iColumn++) {
 						TableColumn tableColumn = new TableColumn(table, SWT.NONE);
 						tableColumn.setText("Col#" + iColumn);

 						if (iColumn == 0)
 							tableColumn.setWidth(60);
 						else
 							tableColumn.setWidth(45);
 					}

 					// Test for Bug 547989, where sort column ignores
 					// `Table#setBackground`
 					{
 						table.addListener(SWT.PaintItem, event -> {});

 						table.setRedraw(false);
 						table.setSortColumn(table.getColumn(1));
 						table.setSortDirection(SWT.UP);
 						table.setRedraw(true);
 					}
 				}

 				if (iDisabled != 0) {
 					// Test for Bug 563475, where disabled Table has unfitting
 					// background in dark theme
 					table.setEnabled(false);
 				}

 				for (int iItem = 0; iItem < 4; iItem++) {
 					TableItem item = new TableItem(table, SWT.NONE);

 					for (int iColumn = 0; iColumn < numColumns; iColumn++) {
 						item.setText(iColumn, iItem + ":" + iColumn);

 						// Test for Bug 563475, where image background ignores Table background.
 						// Let's test both icons and images - just in case.
 						if (((iItem + iColumn) % 2) == 0)
 							item.setImage(iColumn, itemImage);
 						else
 							item.setImage(iColumn, itemIcon);
 					}
 				}

 				// Let's also test checks - just in case.
 				table.getItem(1).setChecked(true);
 				table.getItem(3).setChecked(true);

 				// Test for Bug 536621, where TableItem's style was ignored.
 				if (iStyledItem != 0) {
 					table.getItem(2).setBackground(backColorItem);
 					table.getItem(2).setForeground(foreColorItem);

 					for (int iColumn = 0; iColumn < numColumns; iColumn++) {
 						table.getItem(3).setBackground(iColumn, backColorItem);
 						table.getItem(3).setForeground(iColumn, foreColorItem);
 					}
 				}
 			}
 		}

 		setColors(shell, backColor, foreColor);

 		shell.pack();
 		shell.open();

 		while (!shell.isDisposed()) {
 			if (!display.readAndDispatch ()) display.sleep ();
 		}

 		display.dispose ();
 	}
 }
	/*******************************************************************************
	* 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.Color;
	import org.eclipse.swt.graphics.GC;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.graphics.ImageData;
	import org.eclipse.swt.internal.win32.OS;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.*;

	public class Bug563475_DarkDisabledTable {
	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);
	}
	}
	}

	static Image createImage(Display display) {
	Color transparentColor = display.getSystemColor(SWT.COLOR_BLACK);

	Image image = new Image(display, 16, 16);

	GC gc = new GC(image);
	gc.setBackground(transparentColor);
	gc.fillRectangle(image.getBounds());
	gc.setBackground(display.getSystemColor(SWT.COLOR_BLUE));
	gc.fillRectangle(6, 6, 4, 4);
	gc.dispose();

	return image;
	}

	static Image createItemImage(Display display) {
	Image image = createImage(display);
	ImageData imageData = image.getImageData();
	imageData.transparentPixel = imageData.getPixel(0, 0);

	Image result = new Image(display, imageData);
	image.dispose();

	return result;
	}

	static Image createItemIcon(Display display) {
	Image image = createImage(display);

	Image result = new Image(display, image.getImageData(), image.getImageData());
	image.dispose();

	return result;
	}

	public static void main (String [] args) {
	Display display = new Display ();
	OS.setTheme(true);

	Color backColor = new Color(display, 0x30, 0x30, 0x30);
	Color foreColor = new Color(display, 0xD0, 0xD0, 0xD0);

	Color backColorItem = new Color(display, 0x80, 0x00, 0x00);
	Color foreColorItem = new Color(display, 0x00, 0x00, 0x80);

	Image itemImage = createItemImage(display);
	Image itemIcon = createItemIcon(display);

	Shell shell = new Shell (display);
	GridLayout layout = new GridLayout();
	layout.marginHeight = 10;
	layout.marginWidth = 10;
	layout.numColumns = 5;
	shell.setLayout(layout);

	new Label(shell, SWT.NONE).setText("");
	Label hint = new Label(shell, 0);
	GridData gridSpan4H = new GridData(SWT.FILL, SWT.FILL, true, true);
	gridSpan4H.horizontalSpan = layout.numColumns - 1;
	hint.setLayoutData(gridSpan4H);
	hint.setText(
	"1. Bug 563475 (since Bug 536621):\tNotice that 1C, 1D has background that doesn't fit dark theme\n" +
	"2. Bug 563475:\t\t\tNotice that 1C, 1D, 2C, 2D has image background that doesn't fit dark theme\n" +
	"3. Bug 547989 (since Bug 536621):\tNotice that 2A ignores Table#setBackground in sort column\n" +
	"4. Bug 547989 (since Bug 536621):\tsame for 2B but it gets fixed after repainting items\n" +
	"5. Bug 536621 (since Bug 516365):\t1B, 2B shall have background=red, foreground=blue on items 2 and 3\n" +
	"6. Bug 516365:\t\t\t1C, 1D, 2C, 2D shall not have light background\n" +
	"");

	new Label(shell, SWT.NONE).setText("");
	Label separator = new Label(shell, SWT.SEPARATOR \| SWT.HORIZONTAL);
	gridSpan4H = new GridData(SWT.FILL, SWT.FILL, true, true);
	gridSpan4H.horizontalSpan = layout.numColumns - 1;
	separator.setLayoutData(gridSpan4H);

	new Label(shell, SWT.NONE).setText("");
	new Label(shell, SWT.NONE).setText("(A) Enabled");
	new Label(shell, SWT.NONE).setText("(B) Enabled\n+ TableItem.setBackground()");
	new Label(shell, SWT.NONE).setText("(C) Disabled");
	new Label(shell, SWT.NONE).setText("(D) Disabled\n+ TableItem.setBackground()");

	final int numColumns = 3;

	for (int iHasColumns = 0; iHasColumns < 2; iHasColumns++) {
	if (iHasColumns == 0)
	new Label(shell, SWT.NONE).setText("(1) No columns");
	else
	new Label(shell, SWT.NONE).setText("(2) With columns");

	for (int iDisabled = 0; iDisabled < 2; iDisabled++)
	for (int iStyledItem = 0; iStyledItem < 2; iStyledItem++) {
	// SWT.CHECK is there to make sure that background behind it is also good
	final Table table = new Table(shell, SWT.CHECK \| SWT.BORDER \| SWT.FULL_SELECTION);
	table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

	if (iHasColumns != 0) {
	// Not important
	table.setHeaderVisible(true);

	// SWT code in `Table#CDDS_PREPAINT` significantly depends
	// on whether there are columns in table.
	for (int iColumn = 0; iColumn < numColumns; iColumn++) {
	TableColumn tableColumn = new TableColumn(table, SWT.NONE);
	tableColumn.setText("Col#" + iColumn);

	if (iColumn == 0)
	tableColumn.setWidth(60);
	else
	tableColumn.setWidth(45);
	}

	// Test for Bug 547989, where sort column ignores
	// `Table#setBackground`
	{
	table.addListener(SWT.PaintItem, event -> {});

	table.setRedraw(false);
	table.setSortColumn(table.getColumn(1));
	table.setSortDirection(SWT.UP);
	table.setRedraw(true);
	}
	}

	if (iDisabled != 0) {
	// Test for Bug 563475, where disabled Table has unfitting
	// background in dark theme
	table.setEnabled(false);
	}

	for (int iItem = 0; iItem < 4; iItem++) {
	TableItem item = new TableItem(table, SWT.NONE);

	for (int iColumn = 0; iColumn < numColumns; iColumn++) {
	item.setText(iColumn, iItem + ":" + iColumn);

	// Test for Bug 563475, where image background ignores Table background.
	// Let's test both icons and images - just in case.
	if (((iItem + iColumn) % 2) == 0)
	item.setImage(iColumn, itemImage);
	else
	item.setImage(iColumn, itemIcon);
	}
	}

	// Let's also test checks - just in case.
	table.getItem(1).setChecked(true);
	table.getItem(3).setChecked(true);

	// Test for Bug 536621, where TableItem's style was ignored.
	if (iStyledItem != 0) {
	table.getItem(2).setBackground(backColorItem);
	table.getItem(2).setForeground(foreColorItem);

	for (int iColumn = 0; iColumn < numColumns; iColumn++) {
	table.getItem(3).setBackground(iColumn, backColorItem);
	table.getItem(3).setForeground(iColumn, foreColorItem);
	}
	}
	}
	}

	setColors(shell, backColor, foreColor);

	shell.pack();
	shell.open();

	while (!shell.isDisposed()) {
	if (!display.readAndDispatch ()) display.sleep ();
	}

	display.dispose ();
	}
	}