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package org.eclipse.swt.snippets;
/*******************************************************************************
* Copyright (c) 2018 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
import org.eclipse.swt.*;
import org.eclipse.swt.custom.*;
import org.eclipse.swt.events.*;
/*
* Snippet to display/refresh Monitor DPI dynamically if supported by OS.
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*
* @since 3.0
*/
import org.eclipse.swt.graphics.*;
import org.eclipse.swt.internal.*;
import org.eclipse.swt.layout.*;
import org.eclipse.swt.widgets.*;
/**
* Dynamic DPI with restart example snippet Display current monitors zoom
*
* For a list of all SWT example snippets see
* http://www.eclipse.org/swt/snippets/
*/
public class Snippet373 {
private static final String IMAGE_100 = "eclipse16.png";
private static final String IMAGE_150 = "eclipse24.png";
private static final String IMAGE_200 = "eclipse32.png";
private static final String IMAGES_ROOT = "bin/org/eclipse/swt/snippets/";
private static final String IMAGE_PATH_100 = IMAGES_ROOT + IMAGE_100;
private static final String IMAGE_PATH_150 = IMAGES_ROOT + IMAGE_150;
private static final String IMAGE_PATH_200 = IMAGES_ROOT + IMAGE_200;
static final ImageFileNameProvider filenameProvider = zoom -> {
String path = null;
switch (zoom) {
case 150:
path = IMAGE_PATH_150;
break;
case 200:
path = IMAGE_PATH_200;
break;
default:
path = IMAGE_PATH_100;
}
return path;
};
public static void main(String[] args) {
System.setProperty("swt.autoScale", "quarter");
Display display = new Display();
final Image eclipse = new Image(display, filenameProvider);
final Image eclipseToolBar1 = new Image(display, filenameProvider);
final Image eclipseToolBar2 = new Image(display, filenameProvider);
final Image eclipseTableHeader = new Image(display, filenameProvider);
final Image eclipseTableItem = new Image(display, filenameProvider);
final Image eclipseTree1 = new Image(display, filenameProvider);
final Image eclipseTree2 = new Image(display, filenameProvider);
final Image eclipseCTab1 = new Image(display, filenameProvider);
final Image eclipseCTab2 = new Image(display, filenameProvider);
Shell shell = new Shell(display);
shell.setImage(eclipse);
shell.setText("DynamicDPI @ " + DPIUtil.getDeviceZoom());
shell.setLayout(new RowLayout(SWT.VERTICAL));
shell.setLocation(100, 100);
shell.setSize(500, 600);
shell.addListener(SWT.ZoomChanged, new Listener() {
@Override
public void handleEvent(Event e) {
if (display.getPrimaryMonitor().equals(shell.getMonitor())) {
MessageBox box = new MessageBox(shell, SWT.PRIMARY_MODAL | SWT.OK | SWT.CANCEL);
box.setText(shell.getText());
box.setMessage("DPI changed, do you want to exit & restart ?");
e.doit = (box.open() == SWT.OK);
if (e.doit) {
shell.close();
System.out.println("Program exit.");
}
}
}
});
// Menu
Menu bar = new Menu(shell, SWT.BAR);
shell.setMenuBar(bar);
MenuItem fileItem = new MenuItem(bar, SWT.CASCADE);
fileItem.setText("&File");
fileItem.setImage(eclipse);
Menu submenu = new Menu(shell, SWT.DROP_DOWN);
fileItem.setMenu(submenu);
MenuItem subItem = new MenuItem(submenu, SWT.PUSH);
subItem.addListener(SWT.Selection, e -> System.out.println("Select All"));
subItem.setText("Select &All\tCtrl+A");
subItem.setAccelerator(SWT.MOD1 + 'A');
subItem.setImage(eclipse);
// CTabFolder
CTabFolder folder = new CTabFolder(shell, SWT.BORDER);
for (int i = 0; i < 2; i++) {
CTabItem cTabItem = new CTabItem(folder, i % 2 == 0 ? SWT.CLOSE : SWT.NONE);
cTabItem.setText("Item " + i);
Text textMsg = new Text(folder, SWT.MULTI);
textMsg.setText("Content for Item " + i);
cTabItem.setControl(textMsg);
cTabItem.setImage((i % 2 == 1) ? eclipseCTab1 : eclipseCTab2);
}
// PerMonitorV2 setting
// Label label = new Label (shell, SWT.BORDER);
// label.setText("PerMonitorV2 value before:after:Error");
// Text text = new Text(shell, SWT.BORDER);
// text.setText(DPIUtil.BEFORE + ":" + DPIUtil.AFTER + ":" + DPIUtil.RESULT);
// Composite for Label, Button, Tool-bar
Composite composite = new Composite(shell, SWT.BORDER);
composite.setLayout(new RowLayout(SWT.HORIZONTAL));
// Label with Image
Label label1 = new Label(composite, SWT.BORDER);
label1.setImage(eclipse);
// Label with text only
Label label2 = new Label(composite, SWT.BORDER);
label2.setText("No Image");
// Button with text + Old Image Constructor
Button oldButton1 = new Button(composite, SWT.PUSH);
oldButton1.setText("Old Img");
oldButton1.setImage(new Image(display, IMAGE_PATH_100));
// Button with Old Image Constructor
// Button oldButton2 = new Button(composite, SWT.PUSH);
// oldButton2.setImage(new Image(display, filenameProvider.getImagePath(100)));
// Button with Image
Button createDialog = new Button(composite, SWT.PUSH);
createDialog.setText("Child Dialog");
createDialog.setImage(eclipse);
createDialog.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent event) {
final Shell dialog = new Shell(shell, SWT.DIALOG_TRIM | SWT.RESIZE);
dialog.setText("Child Dialog");
RowLayout rowLayout = new RowLayout(SWT.VERTICAL);
dialog.setLayout(rowLayout);
Label label = new Label(dialog, SWT.BORDER);
label.setImage(eclipse);
Point location = shell.getLocation();
dialog.setLocation(location.x + 250, location.y + 50);
dialog.pack();
dialog.open();
}
});
// Toolbar with Image
ToolBar toolBar = new ToolBar(composite, SWT.FLAT | SWT.BORDER);
Rectangle clientArea = shell.getClientArea();
toolBar.setLocation(clientArea.x, clientArea.y);
for (int i = 0; i < 2; i++) {
int style = i % 2 == 1 ? SWT.DROP_DOWN : SWT.PUSH;
ToolItem toolItem = new ToolItem(toolBar, style);
toolItem.setImage((i % 2 == 0) ? eclipseToolBar1 : eclipseToolBar2);
toolItem.setEnabled(i % 2 == 0);
}
toolBar.pack();
Button button = new Button(shell, SWT.PUSH);
button.setText("Refresh-Current Monitor : Zoom");
Text text1 = new Text(shell, SWT.BORDER);
Monitor monitor = button.getMonitor();
text1.setText("" + monitor.getZoom());
button.addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(MouseEvent e) {
Monitor monitor = button.getMonitor();
text1.setText("" + monitor.getZoom());
}
});
Button button2 = new Button(shell, SWT.PUSH);
button2.setText("Refresh-Both Monitors : Zoom");
Text text2 = new Text(shell, SWT.BORDER);
Monitor[] monitors = display.getMonitors();
StringBuffer text2String = new StringBuffer();
for (int i = 0; i < monitors.length; i++) {
text2String.append(monitors[i].getZoom() + (i < (monitors.length - 1) ? " - " : ""));
}
text2.setText(text2String.toString());
button2.addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(MouseEvent e) {
Monitor[] monitors = display.getMonitors();
StringBuffer text2String = new StringBuffer();
for (int i = 0; i < monitors.length; i++) {
text2String.append(monitors[i].getZoom() + (i < (monitors.length - 1) ? " - " : ""));
}
text2.setText(text2String.toString());
}
});
// Table
Table table = new Table(shell, SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION);
table.setLinesVisible(true);
table.setHeaderVisible(true);
String titles[] = { "Title 1" };
for (int i = 0; i < titles.length; i++) {
TableColumn column = new TableColumn(table, SWT.NONE);
column.setText(titles[i]);
column.setImage(eclipseTableHeader);
}
for (int i = 0; i < 1; i++) {
TableItem item = new TableItem(table, SWT.NONE);
item.setText(0, "Data " + i);
item.setImage(0, eclipseTableItem);
}
for (int i = 0; i < titles.length; i++) {
table.getColumn(i).pack();
}
// Tree
final Tree tree = new Tree(shell, SWT.BORDER);
for (int i = 0; i < 1; i++) {
TreeItem iItem = new TreeItem(tree, 0);
iItem.setText("TreeItem (0) -" + i);
iItem.setImage(eclipseTree1);
TreeItem jItem = null;
for (int j = 0; j < 1; j++) {
jItem = new TreeItem(iItem, 0);
jItem.setText("TreeItem (1) -" + j);
jItem.setImage(eclipseTree2);
jItem.setExpanded(true);
}
tree.select(jItem);
}
// Shell Location
Monitor primary = display.getPrimaryMonitor();
Rectangle bounds = primary.getBounds();
Rectangle rect = shell.getBounds();
int x = bounds.x + (bounds.width - rect.width) / 2;
int y = bounds.y + (bounds.height - rect.height) / 2;
shell.setLocation(x, y);
shell.open();
while (!shell.isDisposed()) {
if (!display.readAndDispatch())
display.sleep();
}
display.dispose();
}
}
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