+++ /dev/null
-package org.argeo.minidesktop;
-
-import java.lang.management.ManagementFactory;
-import java.net.InetAddress;
-import java.net.UnknownHostException;
-import java.nio.file.Path;
-import java.util.Arrays;
-import java.util.List;
-
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.custom.CTabFolder;
-import org.eclipse.swt.custom.CTabItem;
-import org.eclipse.swt.events.SelectionAdapter;
-import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.graphics.Color;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.graphics.ImageData;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.graphics.Rectangle;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
-import org.eclipse.swt.program.Program;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Shell;
-import org.eclipse.swt.widgets.ToolBar;
-import org.eclipse.swt.widgets.ToolItem;
-
-/** A very minimalistic desktop manager based on Java and Eclipse SWT. */
-public class MiniDesktopManager {
- private Display display;
-
- private Shell rootShell;
- private Shell toolBarShell;
- private CTabFolder tabFolder;
- private int maxTabTitleLength = 16;
-
- private final boolean fullscreen;
- private final boolean stacking;
-
- private MiniDesktopImages images;
-
- public MiniDesktopManager(boolean fullscreen, boolean stacking) {
- this.fullscreen = fullscreen;
- this.stacking = stacking;
- }
-
- public void init() {
- Display.setAppName("Mini SWT Desktop");
- display = Display.getCurrent();
- if (display != null)
- throw new IllegalStateException("Already a display " + display);
- display = new Display();
-
- if (display.getTouchEnabled()) {
- System.out.println("Touch enabled.");
- }
-
- images = new MiniDesktopImages(display);
-
- int toolBarSize = 48;
-
- if (isFullscreen()) {
- rootShell = new Shell(display, SWT.NO_TRIM);
- rootShell.setFullScreen(true);
- Rectangle bounds = display.getBounds();
- rootShell.setLocation(0, 0);
- rootShell.setSize(bounds.width, bounds.height);
- } else {
- rootShell = new Shell(display, SWT.CLOSE | SWT.RESIZE);
- Rectangle shellArea = rootShell.computeTrim(200, 200, 800, 480);
- rootShell.setSize(shellArea.width, shellArea.height);
- rootShell.setText(Display.getAppName());
- rootShell.setImage(images.terminalIcon);
- }
-
- rootShell.setLayout(noSpaceGridLayout(new GridLayout(2, false)));
- Composite toolBarArea = new Composite(rootShell, SWT.NONE);
- toolBarArea.setLayoutData(new GridData(toolBarSize, rootShell.getSize().y));
-
- ToolBar toolBar;
- if (isFullscreen()) {
- toolBarShell = new Shell(rootShell, SWT.NO_TRIM | SWT.ON_TOP);
- toolBar = new ToolBar(toolBarShell, SWT.VERTICAL | SWT.FLAT | SWT.BORDER);
- createDock(toolBar);
- toolBarShell.pack();
- toolBarArea.setLayoutData(new GridData(toolBar.getSize().x, toolBar.getSize().y));
- } else {
- toolBar = new ToolBar(toolBarArea, SWT.VERTICAL | SWT.FLAT | SWT.BORDER);
- createDock(toolBar);
- toolBarArea.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
- }
-
- if (isStacking()) {
- tabFolder = new CTabFolder(rootShell, SWT.MULTI | SWT.BORDER | SWT.BOTTOM);
- tabFolder.setLayout(noSpaceGridLayout(new GridLayout()));
- tabFolder.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
-
- Color selectionBackground = display.getSystemColor(SWT.COLOR_LIST_SELECTION);
- tabFolder.setSelectionBackground(selectionBackground);
-
- // background
- Control background = createBackground(tabFolder);
- CTabItem homeTabItem = new CTabItem(tabFolder, SWT.NONE);
- homeTabItem.setText("Home");
- homeTabItem.setImage(images.homeIcon);
- homeTabItem.setControl(background);
- tabFolder.setFocus();
- } else {
- createBackground(rootShell);
- }
-
- rootShell.open();
- // rootShell.layout(true, true);
-
- if (toolBarShell != null) {
- int toolBarShellY = (display.getBounds().height - toolBar.getSize().y) / 2;
- toolBarShell.setLocation(0, toolBarShellY);
- toolBarShell.open();
- }
-
- long jvmUptime = ManagementFactory.getRuntimeMXBean().getUptime();
- System.out.println("SWT Mini Desktop Manager available in " + jvmUptime + " ms.");
- }
-
- protected void createDock(ToolBar toolBar) {
- // Terminal
- addToolItem(toolBar, images.terminalIcon, "Terminal", () -> {
- String url = System.getProperty("user.home");
- AppContext appContext = createAppParent(images.terminalIcon);
- new MiniTerminal(appContext.getAppParent(), url) {
-
- @Override
- protected void exitCalled() {
- if (appContext.shell != null)
- appContext.shell.dispose();
- if (appContext.tabItem != null)
- appContext.tabItem.dispose();
- }
- };
- String title;
- try {
- title = System.getProperty("user.name") + "@" + InetAddress.getLocalHost().getHostName();
- } catch (UnknownHostException e) {
- title = System.getProperty("user.name") + "@localhost";
- }
- if (appContext.shell != null)
- appContext.shell.setText(title);
- if (appContext.tabItem != null) {
- appContext.tabItem.setText(tabTitle(title));
- appContext.tabItem.setToolTipText(title);
- }
- openApp(appContext);
- });
-
- // Web browser
- addToolItem(toolBar, images.browserIcon, "Browser", () -> {
- String url = "https://start.duckduckgo.com/";
- AppContext appContext = createAppParent(images.browserIcon);
- new MiniBrowser(appContext.getAppParent(), url, false, false) {
- @Override
- protected void titleChanged(String title) {
- if (appContext.shell != null)
- appContext.shell.setText(title);
- if (appContext.tabItem != null) {
- appContext.tabItem.setText(tabTitle(title));
- appContext.tabItem.setToolTipText(title);
- }
- }
- };
- openApp(appContext);
- });
-
- // File explorer
- addToolItem(toolBar, images.explorerIcon, "Explorer", () -> {
- String url = System.getProperty("user.home");
- AppContext appContext = createAppParent(images.explorerIcon);
- new MiniExplorer(appContext.getAppParent(), url) {
-
- @Override
- protected void pathChanged(Path path) {
- if (appContext.shell != null)
- appContext.shell.setText(path.toString());
- if (appContext.tabItem != null) {
- appContext.tabItem.setText(path.getFileName().toString());
- appContext.tabItem.setToolTipText(path.toString());
- }
- }
- };
- openApp(appContext);
- });
-
- // Separator
- new ToolItem(toolBar, SWT.SEPARATOR);
-
- // Exit
- addToolItem(toolBar, images.exitIcon, "Exit", () -> rootShell.dispose());
-
- toolBar.pack();
- }
-
- protected String tabTitle(String title) {
- return title.length() > maxTabTitleLength ? title.substring(0, maxTabTitleLength) : title;
- }
-
- protected void addToolItem(ToolBar toolBar, Image icon, String name, Runnable action) {
- ToolItem searchI = new ToolItem(toolBar, SWT.PUSH);
- searchI.setImage(icon);
- searchI.setToolTipText(name);
- searchI.addSelectionListener(new SelectionAdapter() {
-
- @Override
- public void widgetSelected(SelectionEvent e) {
- action.run();
- }
-
- });
- }
-
- protected AppContext createAppParent(Image icon) {
- if (isStacking()) {
- Composite appParent = new Composite(tabFolder, SWT.CLOSE);
- appParent.setLayout(noSpaceGridLayout(new GridLayout()));
- CTabItem item = new CTabItem(tabFolder, SWT.CLOSE);
- item.setImage(icon);
- item.setControl(appParent);
- return new AppContext(item);
- } else {
- Shell shell = isFullscreen() ? new Shell(rootShell, SWT.SHELL_TRIM)
- : new Shell(rootShell.getDisplay(), SWT.SHELL_TRIM);
- shell.setImage(icon);
- return new AppContext(shell);
- }
- }
-
- protected void openApp(AppContext appContext) {
- if (appContext.shell != null) {
- Shell shell = (Shell) appContext.shell;
- shell.open();
- shell.setSize(new Point(800, 480));
- }
- if (appContext.tabItem != null) {
- tabFolder.setFocus();
- tabFolder.setSelection(appContext.tabItem);
- }
- }
-
- protected Control createBackground(Composite parent) {
- Composite backgroundArea = new Composite(parent, SWT.NONE);
- backgroundArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
- initBackground(backgroundArea);
- return backgroundArea;
- }
-
- protected void initBackground(Composite backgroundArea) {
- MiniHomePart homePart = new MiniHomePart() {
-
- @Override
- protected void fillAppsToolBar(ToolBar toolBar) {
- createDock(toolBar);
- }
- };
- homePart.createUiPart(backgroundArea, null);
- }
-
- public void run() {
- while (!rootShell.isDisposed()) {
- if (!display.readAndDispatch())
- display.sleep();
- }
- }
-
- public void dispose() {
- if (!rootShell.isDisposed())
- rootShell.dispose();
- }
-
- protected boolean isFullscreen() {
- return fullscreen;
- }
-
- protected boolean isStacking() {
- return stacking;
- }
-
- protected Image getIconForExt(String ext) {
- Program program = Program.findProgram(ext);
- if (program == null)
- return display.getSystemImage(SWT.ICON_INFORMATION);
-
- ImageData iconData = program.getImageData();
- if (iconData == null) {
- return display.getSystemImage(SWT.ICON_INFORMATION);
- } else {
- return new Image(display, iconData);
- }
-
- }
-
- private static GridLayout noSpaceGridLayout(GridLayout layout) {
- layout.horizontalSpacing = 0;
- layout.verticalSpacing = 0;
- layout.marginWidth = 0;
- layout.marginHeight = 0;
- return layout;
- }
-
- public static void main(String[] args) {
- List<String> options = Arrays.asList(args);
- if (options.contains("--help")) {
- System.out.println("Usage: java " + MiniDesktopManager.class.getName().replace('.', '/') + " [OPTION]");
- System.out.println("A minimalistic desktop manager based on Java and Eclipse SWT.");
- System.out.println(" --fullscreen : take control of the whole screen (default is to run in a window)");
- System.out.println(" --stacking : open apps as tabs (default is to create new windows)");
- System.out.println(" --help : print this help and exit");
- System.exit(1);
- }
- boolean fullscreen = options.contains("--fullscreen");
- boolean stacking = options.contains("--stacking");
-
- MiniDesktopManager desktopManager = new MiniDesktopManager(fullscreen, stacking);
- desktopManager.init();
- desktopManager.run();
- desktopManager.dispose();
- System.exit(0);
- }
-
- class AppContext {
- private Shell shell;
- private CTabItem tabItem;
-
- public AppContext(Shell shell) {
- this.shell = shell;
- }
-
- public AppContext(CTabItem tabItem) {
- this.tabItem = tabItem;
- }
-
- Composite getAppParent() {
- if (shell != null)
- return shell;
- if (tabItem != null)
- return (Composite) tabItem.getControl();
- throw new IllegalStateException();
- }
- }
-}
projects / lgpl / argeo-commons.git / blobdiff