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authorNiraj Modi2018-08-14 01:30:27 -0400
committerNiraj Modi2018-08-14 07:20:07 -0400
commit504c1f01f5fd7ad629d4d8642615b94b82d09857 (patch)
treeb559e30ce374a902de11b359da5649c9a2ec7c03 /examples
parentb2cc595001b5dd056392e50a7db32df73516d8e4 (diff)
downloadeclipse.platform.swt-504c1f01f5fd7ad629d4d8642615b94b82d09857.tar.gz
eclipse.platform.swt-504c1f01f5fd7ad629d4d8642615b94b82d09857.tar.xz
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Bug 515502 - [HiDPI][Win10] SWT to receive/handle DPI changeI20180814-0900
notification from OS Change-Id: Ic0b851b76cbd5b270f4d4337de6ac6f2fb81812c Signed-off-by: Niraj Modi <niraj.modi@in.ibm.com>
Diffstat (limited to 'examples')
-rw-r--r--examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet373.java263
1 files changed, 263 insertions, 0 deletions
diff --git a/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet373.java b/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet373.java
new file mode 100644
index 0000000000..718ede0d6d
--- /dev/null
+++ b/examples/org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet373.java
@@ -0,0 +1,263 @@
+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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