-/**
+/*
* Jexer - Java Text User Interface
*
- * License: LGPLv3 or later
- *
- * This module is licensed under the GNU Lesser General Public License
- * Version 3. Please see the file "COPYING" in this directory for more
- * information about the GNU Lesser General Public License Version 3.
+ * The MIT License (MIT)
*
- * Copyright (C) 2015 Kevin Lamonte
+ * Copyright (C) 2019 Kevin Lamonte
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public License
- * as published by the Free Software Foundation; either version 3 of
- * the License, or (at your option) any later version.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, see
- * http://www.gnu.org/licenses/, or write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*
* @author Kevin Lamonte [kevin.lamonte@gmail.com]
* @version 1
*/
package jexer;
+import java.io.File;
import java.io.InputStream;
+import java.io.IOException;
import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.io.Reader;
import java.io.UnsupportedEncodingException;
+import java.text.MessageFormat;
+import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.HashMap;
-import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
+import java.util.ResourceBundle;
+import jexer.bits.Cell;
import jexer.bits.CellAttributes;
import jexer.bits.ColorTheme;
-import jexer.bits.GraphicsChars;
+import jexer.bits.StringUtils;
import jexer.event.TCommandEvent;
import jexer.event.TInputEvent;
import jexer.event.TKeypressEvent;
import jexer.event.TMouseEvent;
import jexer.event.TResizeEvent;
import jexer.backend.Backend;
-import jexer.backend.AWTBackend;
+import jexer.backend.MultiBackend;
+import jexer.backend.Screen;
+import jexer.backend.SwingBackend;
import jexer.backend.ECMA48Backend;
-import jexer.io.Screen;
+import jexer.backend.TWindowBackend;
import jexer.menu.TMenu;
import jexer.menu.TMenuItem;
+import jexer.menu.TSubMenu;
import static jexer.TCommand.*;
import static jexer.TKeypress.*;
/**
- * TApplication sets up a full Text User Interface application.
+ * TApplication is the main driver class for a full Text User Interface
+ * application. It manages windows, provides a menu bar and status bar, and
+ * processes events received from the user.
*/
-public class TApplication {
+public class TApplication implements Runnable {
+
+ /**
+ * Translated strings.
+ */
+ private static final ResourceBundle i18n = ResourceBundle.getBundle(TApplication.class.getName());
+
+ // ------------------------------------------------------------------------
+ // Constants --------------------------------------------------------------
+ // ------------------------------------------------------------------------
/**
* If true, emit thread stuff to System.err.
private static final boolean debugEvents = false;
/**
- * WidgetEventHandler is the main event consumer loop. There are at most
- * two such threads in existence: the primary for normal case and a
- * secondary that is used for TMessageBox, TInputBox, and similar.
+ * If true, do "smart placement" on new windows that are not specified to
+ * be centered.
*/
- private class WidgetEventHandler implements Runnable {
- /**
- * The main application.
- */
- private TApplication application;
+ private static final boolean smartWindowPlacement = true;
+ /**
+ * Two backend types are available.
+ */
+ public static enum BackendType {
/**
- * Whether or not this WidgetEventHandler is the primary or secondary
- * thread.
+ * A Swing JFrame.
*/
- private boolean primary = true;
+ SWING,
/**
- * Public constructor.
- *
- * @param application the main application
- * @param primary if true, this is the primary event handler thread
+ * An ECMA48 / ANSI X3.64 / XTERM style terminal.
*/
- public WidgetEventHandler(final TApplication application,
- final boolean primary) {
-
- this.application = application;
- this.primary = primary;
- }
+ ECMA48,
/**
- * The consumer loop.
+ * Synonym for ECMA48.
*/
- public void run() {
-
- // Loop forever
- while (!application.quit) {
-
- // Wait until application notifies me
- while (!application.quit) {
- try {
- synchronized (application.drainEventQueue) {
- if (application.drainEventQueue.size() > 0) {
- break;
- }
- }
-
- synchronized (this) {
- /*
- System.err.printf("%s %s sleep\n", this, primary ?
- "primary" : "secondary");
- */
-
- this.wait();
-
- /*
- System.err.printf("%s %s AWAKE\n", this, primary ?
- "primary" : "secondary");
- */
-
- if ((!primary)
- && (application.secondaryEventReceiver == null)
- ) {
- // Secondary thread, emergency exit. If we
- // got here then something went wrong with
- // the handoff between yield() and
- // closeWindow().
-
- System.err.printf("secondary exiting at wrong time, why?\n");
- synchronized (application.primaryEventHandler) {
- application.primaryEventHandler.notify();
- }
- application.secondaryEventHandler = null;
- return;
- }
- break;
- }
- } catch (InterruptedException e) {
- // SQUASH
- }
- }
-
- // Pull all events off the queue
- for (;;) {
- TInputEvent event = null;
- synchronized (application.drainEventQueue) {
- if (application.drainEventQueue.size() == 0) {
- break;
- }
- event = application.drainEventQueue.remove(0);
- }
- // Wait for drawAll() or doIdle() to be done, then handle
- // the event.
- boolean oldLock = lockHandleEvent();
- assert (oldLock == false);
- if (primary) {
- primaryHandleEvent(event);
- } else {
- secondaryHandleEvent(event);
- }
- application.repaint = true;
- if ((!primary)
- && (application.secondaryEventReceiver == null)
- ) {
- // Secondary thread, time to exit.
-
- // DO NOT UNLOCK. Primary thread just came back from
- // primaryHandleEvent() and will unlock in the else
- // block below. Just wake it up.
- synchronized (application.primaryEventHandler) {
- application.primaryEventHandler.notify();
- }
- // Now eliminate my reference so that
- // wakeEventHandler() resumes working on the primary.
- application.secondaryEventHandler = null;
-
- // All done!
- return;
- } else {
- // Unlock. Either I am primary thread, or I am
- // secondary thread and still running.
- oldLock = unlockHandleEvent();
- assert (oldLock == true);
- }
- } // for (;;)
-
- // I have done some work of some kind. Tell the main run()
- // loop to wake up now.
- synchronized (application) {
- application.notify();
- }
-
- } // while (true) (main runnable loop)
- }
+ XTERM
}
+ // ------------------------------------------------------------------------
+ // Variables --------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
/**
* The primary event handler thread.
*/
private volatile WidgetEventHandler secondaryEventHandler;
/**
- * The widget receiving events from the secondary event handler thread.
+ * The screen handler thread.
*/
- private volatile TWidget secondaryEventReceiver;
+ private volatile ScreenHandler screenHandler;
/**
- * Spinlock for the primary and secondary event handlers.
- * WidgetEventHandler.run() is responsible for setting this value.
+ * The widget receiving events from the secondary event handler thread.
*/
- private volatile boolean insideHandleEvent = false;
+ private volatile TWidget secondaryEventReceiver;
/**
- * Wake the sleeping active event handler.
+ * Access to the physical screen, keyboard, and mouse.
*/
- private void wakeEventHandler() {
- if (secondaryEventHandler != null) {
- synchronized (secondaryEventHandler) {
- secondaryEventHandler.notify();
- }
- } else {
- assert (primaryEventHandler != null);
- synchronized (primaryEventHandler) {
- primaryEventHandler.notify();
- }
- }
- }
+ private Backend backend;
/**
- * Set the insideHandleEvent flag to true. lockoutEventHandlers() will
- * spin indefinitely until unlockHandleEvent() is called.
- *
- * @return the old value of insideHandleEvent
+ * Actual mouse coordinate X.
*/
- private boolean lockHandleEvent() {
- if (debugThreads) {
- System.err.printf(" >> lockHandleEvent(): oldValue %s",
- insideHandleEvent);
- }
- boolean oldValue = true;
-
- synchronized (this) {
- // Wait for TApplication.run() to finish using the global state
- // before allowing further event processing.
- while (lockoutHandleEvent == true);
-
- oldValue = insideHandleEvent;
- insideHandleEvent = true;
- }
-
- if (debugThreads) {
- System.err.printf(" ***\n");
- }
- return oldValue;
- }
+ private int mouseX;
/**
- * Set the insideHandleEvent flag to false. lockoutEventHandlers() will
- * spin indefinitely until unlockHandleEvent() is called.
- *
- * @return the old value of insideHandleEvent
+ * Actual mouse coordinate Y.
*/
- private boolean unlockHandleEvent() {
- if (debugThreads) {
- System.err.printf(" << unlockHandleEvent(): oldValue %s\n",
- insideHandleEvent);
- }
- synchronized (this) {
- boolean oldValue = insideHandleEvent;
- insideHandleEvent = false;
- return oldValue;
- }
- }
+ private int mouseY;
/**
- * Spinlock for the primary and secondary event handlers. When true, the
- * event handlers will spinlock wait before calling handleEvent().
+ * Old version of mouse coordinate X.
*/
- private volatile boolean lockoutHandleEvent = false;
+ private int oldMouseX;
/**
- * TApplication.run() needs to be able rely on the global data structures
- * being intact when calling doIdle() and drawAll(). Tell the event
- * handlers to wait for an unlock before handling their events.
+ * Old version mouse coordinate Y.
*/
- private void stopEventHandlers() {
- if (debugThreads) {
- System.err.printf(">> stopEventHandlers()");
- }
-
- lockoutHandleEvent = true;
- // Wait for the last event to finish processing before returning
- // control to TApplication.run().
- while (insideHandleEvent == true);
-
- if (debugThreads) {
- System.err.printf(" XXX\n");
- }
- }
+ private int oldMouseY;
/**
- * TApplication.run() needs to be able rely on the global data structures
- * being intact when calling doIdle() and drawAll(). Tell the event
- * handlers that it is now OK to handle their events.
+ * Old drawn version of mouse coordinate X.
*/
- private void startEventHandlers() {
- if (debugThreads) {
- System.err.printf("<< startEventHandlers()\n");
- }
- lockoutHandleEvent = false;
- }
+ private int oldDrawnMouseX;
/**
- * Access to the physical screen, keyboard, and mouse.
+ * Old drawn version mouse coordinate Y.
*/
- private Backend backend;
+ private int oldDrawnMouseY;
/**
- * Get the Screen.
- *
- * @return the Screen
+ * Old drawn version mouse cell.
*/
- public final Screen getScreen() {
- return backend.getScreen();
- }
+ private Cell oldDrawnMouseCell = new Cell();
/**
- * Actual mouse coordinate X.
+ * The last mouse up click time, used to determine if this is a mouse
+ * double-click.
*/
- private int mouseX;
+ private long lastMouseUpTime;
/**
- * Actual mouse coordinate Y.
+ * The amount of millis between mouse up events to assume a double-click.
*/
- private int mouseY;
+ private long doubleClickTime = 250;
/**
* Event queue that is filled by run().
private List<TMenu> subMenus;
/**
- * The currently acive menu.
+ * The currently active menu.
*/
private TMenu activeMenu = null;
private Map<TKeypress, TMenuItem> accelerators;
/**
- * Windows and widgets pull colors from this ColorTheme.
+ * All menu items.
*/
- private ColorTheme theme;
+ private List<TMenuItem> menuItems;
/**
- * Get the color theme.
- *
- * @return the theme
+ * Windows and widgets pull colors from this ColorTheme.
*/
- public final ColorTheme getTheme() {
- return theme;
- }
+ private ColorTheme theme;
/**
* The top-level windows (but not menus).
*/
private List<TWindow> windows;
+ /**
+ * The currently acive window.
+ */
+ private TWindow activeWindow = null;
+
/**
* Timers that are being ticked.
*/
private List<TTimer> timers;
+ /**
+ * When true, the application has been started.
+ */
+ private volatile boolean started = false;
+
/**
* When true, exit the application.
*/
*/
private volatile boolean repaint = true;
- /**
- * When true, just flush updates from the screen. This is only used to
- * minimize physical writes for the mouse cursor.
- */
- private boolean flush = false;
-
/**
* Y coordinate of the top edge of the desktop. For now this is a
* constant. Someday it would be nice to have a multi-line menu or
* toolbars.
*/
- private static final int desktopTop = 1;
+ private int desktopTop = 1;
/**
- * Get Y coordinate of the top edge of the desktop.
- *
- * @return Y coordinate of the top edge of the desktop
+ * Y coordinate of the bottom edge of the desktop.
*/
- public final int getDesktopTop() {
- return desktopTop;
- }
+ private int desktopBottom;
/**
- * Y coordinate of the bottom edge of the desktop.
+ * An optional TDesktop background window that is drawn underneath
+ * everything else.
*/
- private int desktopBottom;
+ private TDesktop desktop;
/**
- * Get Y coordinate of the bottom edge of the desktop.
- *
- * @return Y coordinate of the bottom edge of the desktop
+ * If true, focus follows mouse: windows automatically raised if the
+ * mouse passes over them.
*/
- public final int getDesktopBottom() {
- return desktopBottom;
- }
+ private boolean focusFollowsMouse = false;
/**
- * Public constructor.
- *
- * @param input an InputStream connected to the remote user, or null for
- * System.in. If System.in is used, then on non-Windows systems it will
- * be put in raw mode; shutdown() will (blindly!) put System.in in cooked
- * mode. input is always converted to a Reader with UTF-8 encoding.
- * @param output an OutputStream connected to the remote user, or null
- * for System.out. output is always converted to a Writer with UTF-8
- * encoding.
- * @throws UnsupportedEncodingException if an exception is thrown when
- * creating the InputStreamReader
+ * If true, display a text-based mouse cursor.
*/
- public TApplication(final InputStream input,
- final OutputStream output) throws UnsupportedEncodingException {
+ private boolean textMouse = true;
- // AWT is the default backend on Windows unless explicitly overridden
- // by jexer.AWT.
- boolean useAWT = false;
- if (System.getProperty("os.name").startsWith("Windows")) {
- useAWT = true;
- }
- if (System.getProperty("jexer.AWT") != null) {
- if (System.getProperty("jexer.AWT", "false").equals("true")) {
- useAWT = true;
- } else {
- useAWT = false;
- }
- }
+ /**
+ * If true, hide the mouse after typing a keystroke.
+ */
+ private boolean hideMouseWhenTyping = false;
+ /**
+ * If true, the mouse should not be displayed because a keystroke was
+ * typed.
+ */
+ private boolean typingHidMouse = false;
- if (useAWT) {
- backend = new AWTBackend(this);
- } else {
- backend = new ECMA48Backend(this, input, output);
- }
- theme = new ColorTheme();
- desktopBottom = getScreen().getHeight() - 1;
- fillEventQueue = new ArrayList<TInputEvent>();
- drainEventQueue = new ArrayList<TInputEvent>();
- windows = new LinkedList<TWindow>();
- menus = new LinkedList<TMenu>();
- subMenus = new LinkedList<TMenu>();
- timers = new LinkedList<TTimer>();
- accelerators = new HashMap<TKeypress, TMenuItem>();
+ /**
+ * If true, hide the status bar.
+ */
+ private boolean hideStatusBar = false;
- // Setup the main consumer thread
- primaryEventHandler = new WidgetEventHandler(this, true);
- (new Thread(primaryEventHandler)).start();
- }
+ /**
+ * If true, hide the menu bar.
+ */
+ private boolean hideMenuBar = false;
/**
- * Invert the cell at the mouse pointer position.
+ * The list of commands to run before the next I/O check.
*/
- private void drawMouse() {
- CellAttributes attr = getScreen().getAttrXY(mouseX, mouseY);
- attr.setForeColor(attr.getForeColor().invert());
- attr.setBackColor(attr.getBackColor().invert());
- getScreen().putAttrXY(mouseX, mouseY, attr, false);
- flush = true;
+ private List<Runnable> invokeLaters = new LinkedList<Runnable>();
- if (windows.size() == 0) {
- repaint = true;
- }
- }
+ /**
+ * The last time the screen was resized.
+ */
+ private long screenResizeTime = 0;
/**
- * Draw everything.
+ * WidgetEventHandler is the main event consumer loop. There are at most
+ * two such threads in existence: the primary for normal case and a
+ * secondary that is used for TMessageBox, TInputBox, and similar.
*/
- public final void drawAll() {
- if (debugThreads) {
- System.err.printf("drawAll() enter\n");
- }
+ private class WidgetEventHandler implements Runnable {
+ /**
+ * The main application.
+ */
+ private TApplication application;
- if ((flush) && (!repaint)) {
- backend.flushScreen();
- flush = false;
- return;
- }
+ /**
+ * Whether or not this WidgetEventHandler is the primary or secondary
+ * thread.
+ */
+ private boolean primary = true;
- if (debugThreads) {
- System.err.printf("drawAll() REDRAW\n");
+ /**
+ * Public constructor.
+ *
+ * @param application the main application
+ * @param primary if true, this is the primary event handler thread
+ */
+ public WidgetEventHandler(final TApplication application,
+ final boolean primary) {
+
+ this.application = application;
+ this.primary = primary;
+ }
+
+ /**
+ * The consumer loop.
+ */
+ public void run() {
+ // Wrap everything in a try, so that if we go belly up we can let
+ // the user have their terminal back.
+ try {
+ runImpl();
+ } catch (Throwable t) {
+ this.application.restoreConsole();
+ t.printStackTrace();
+ this.application.exit();
+ }
+ }
+
+ /**
+ * The consumer loop.
+ */
+ private void runImpl() {
+ boolean first = true;
+
+ // Loop forever
+ while (!application.quit) {
+
+ // Wait until application notifies me
+ while (!application.quit) {
+ try {
+ synchronized (application.drainEventQueue) {
+ if (application.drainEventQueue.size() > 0) {
+ break;
+ }
+ }
+
+ long timeout = 0;
+ if (first) {
+ first = false;
+ } else {
+ timeout = application.getSleepTime(1000);
+ }
+
+ if (timeout == 0) {
+ // A timer needs to fire, break out.
+ break;
+ }
+
+ if (debugThreads) {
+ System.err.printf("%d %s %s %s sleep %d millis\n",
+ System.currentTimeMillis(), this,
+ primary ? "primary" : "secondary",
+ Thread.currentThread(), timeout);
+ }
+
+ synchronized (this) {
+ this.wait(timeout);
+ }
+
+ if (debugThreads) {
+ System.err.printf("%d %s %s %s AWAKE\n",
+ System.currentTimeMillis(), this,
+ primary ? "primary" : "secondary",
+ Thread.currentThread());
+ }
+
+ if ((!primary)
+ && (application.secondaryEventReceiver == null)
+ ) {
+ // Secondary thread, emergency exit. If we got
+ // here then something went wrong with the
+ // handoff between yield() and closeWindow().
+ synchronized (application.primaryEventHandler) {
+ application.primaryEventHandler.notify();
+ }
+ application.secondaryEventHandler = null;
+ throw new RuntimeException("secondary exited " +
+ "at wrong time");
+ }
+ break;
+ } catch (InterruptedException e) {
+ // SQUASH
+ }
+ } // while (!application.quit)
+
+ // Pull all events off the queue
+ for (;;) {
+ TInputEvent event = null;
+ synchronized (application.drainEventQueue) {
+ if (application.drainEventQueue.size() == 0) {
+ break;
+ }
+ event = application.drainEventQueue.remove(0);
+ }
+
+ // We will have an event to process, so repaint the
+ // screen at the end.
+ application.repaint = true;
+
+ if (primary) {
+ primaryHandleEvent(event);
+ } else {
+ secondaryHandleEvent(event);
+ }
+ if ((!primary)
+ && (application.secondaryEventReceiver == null)
+ ) {
+ // Secondary thread, time to exit.
+
+ // Eliminate my reference so that wakeEventHandler()
+ // resumes working on the primary.
+ application.secondaryEventHandler = null;
+
+ // We are ready to exit, wake up the primary thread.
+ // Remember that it is currently sleeping inside its
+ // primaryHandleEvent().
+ synchronized (application.primaryEventHandler) {
+ application.primaryEventHandler.notify();
+ }
+
+ // All done!
+ return;
+ }
+
+ } // for (;;)
+
+ // Fire timers, update screen.
+ if (!quit) {
+ application.finishEventProcessing();
+ }
+
+ } // while (true) (main runnable loop)
+ }
+ }
+
+ /**
+ * ScreenHandler pushes screen updates to the physical device.
+ */
+ private class ScreenHandler implements Runnable {
+ /**
+ * The main application.
+ */
+ private TApplication application;
+
+ /**
+ * The dirty flag.
+ */
+ private boolean dirty = false;
+
+ /**
+ * Public constructor.
+ *
+ * @param application the main application
+ */
+ public ScreenHandler(final TApplication application) {
+ this.application = application;
+ }
+
+ /**
+ * The screen update loop.
+ */
+ public void run() {
+ // Wrap everything in a try, so that if we go belly up we can let
+ // the user have their terminal back.
+ try {
+ runImpl();
+ } catch (Throwable t) {
+ this.application.restoreConsole();
+ t.printStackTrace();
+ this.application.exit();
+ }
+ }
+
+ /**
+ * The update loop.
+ */
+ private void runImpl() {
+
+ // Loop forever
+ while (!application.quit) {
+
+ // Wait until application notifies me
+ while (!application.quit) {
+ try {
+ synchronized (this) {
+ if (dirty) {
+ dirty = false;
+ break;
+ }
+
+ // Always check within 50 milliseconds.
+ this.wait(50);
+ }
+ } catch (InterruptedException e) {
+ // SQUASH
+ }
+ } // while (!application.quit)
+
+ // Flush the screen contents
+ if (debugThreads) {
+ System.err.printf("%d %s backend.flushScreen()\n",
+ System.currentTimeMillis(), Thread.currentThread());
+ }
+ synchronized (getScreen()) {
+ backend.flushScreen();
+ }
+ } // while (true) (main runnable loop)
+
+ // Shutdown the user I/O thread(s)
+ backend.shutdown();
+ }
+
+ /**
+ * Set the dirty flag.
+ */
+ public void setDirty() {
+ synchronized (this) {
+ dirty = true;
+ }
+ }
+
+ }
+
+ // ------------------------------------------------------------------------
+ // Constructors -----------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Public constructor.
+ *
+ * @param backendType BackendType.XTERM, BackendType.ECMA48 or
+ * BackendType.SWING
+ * @param windowWidth the number of text columns to start with
+ * @param windowHeight the number of text rows to start with
+ * @param fontSize the size in points
+ * @throws UnsupportedEncodingException if an exception is thrown when
+ * creating the InputStreamReader
+ */
+ public TApplication(final BackendType backendType, final int windowWidth,
+ final int windowHeight, final int fontSize)
+ throws UnsupportedEncodingException {
+
+ switch (backendType) {
+ case SWING:
+ backend = new SwingBackend(this, windowWidth, windowHeight,
+ fontSize);
+ break;
+ case XTERM:
+ // Fall through...
+ case ECMA48:
+ backend = new ECMA48Backend(this, null, null, windowWidth,
+ windowHeight, fontSize);
+ break;
+ default:
+ throw new IllegalArgumentException("Invalid backend type: "
+ + backendType);
+ }
+ TApplicationImpl();
+ }
+
+ /**
+ * Public constructor.
+ *
+ * @param backendType BackendType.XTERM, BackendType.ECMA48 or
+ * BackendType.SWING
+ * @throws UnsupportedEncodingException if an exception is thrown when
+ * creating the InputStreamReader
+ */
+ public TApplication(final BackendType backendType)
+ throws UnsupportedEncodingException {
+
+ switch (backendType) {
+ case SWING:
+ // The default SwingBackend is 80x25, 20 pt font. If you want to
+ // change that, you can pass the extra arguments to the
+ // SwingBackend constructor here. For example, if you wanted
+ // 90x30, 16 pt font:
+ //
+ // backend = new SwingBackend(this, 90, 30, 16);
+ backend = new SwingBackend(this);
+ break;
+ case XTERM:
+ // Fall through...
+ case ECMA48:
+ backend = new ECMA48Backend(this, null, null);
+ break;
+ default:
+ throw new IllegalArgumentException("Invalid backend type: "
+ + backendType);
+ }
+ TApplicationImpl();
+ }
+
+ /**
+ * Public constructor. The backend type will be BackendType.ECMA48.
+ *
+ * @param input an InputStream connected to the remote user, or null for
+ * System.in. If System.in is used, then on non-Windows systems it will
+ * be put in raw mode; shutdown() will (blindly!) put System.in in cooked
+ * mode. input is always converted to a Reader with UTF-8 encoding.
+ * @param output an OutputStream connected to the remote user, or null
+ * for System.out. output is always converted to a Writer with UTF-8
+ * encoding.
+ * @throws UnsupportedEncodingException if an exception is thrown when
+ * creating the InputStreamReader
+ */
+ public TApplication(final InputStream input,
+ final OutputStream output) throws UnsupportedEncodingException {
+
+ backend = new ECMA48Backend(this, input, output);
+ TApplicationImpl();
+ }
+
+ /**
+ * Public constructor. The backend type will be BackendType.ECMA48.
+ *
+ * @param input the InputStream underlying 'reader'. Its available()
+ * method is used to determine if reader.read() will block or not.
+ * @param reader a Reader connected to the remote user.
+ * @param writer a PrintWriter connected to the remote user.
+ * @param setRawMode if true, set System.in into raw mode with stty.
+ * This should in general not be used. It is here solely for Demo3,
+ * which uses System.in.
+ * @throws IllegalArgumentException if input, reader, or writer are null.
+ */
+ public TApplication(final InputStream input, final Reader reader,
+ final PrintWriter writer, final boolean setRawMode) {
+
+ backend = new ECMA48Backend(this, input, reader, writer, setRawMode);
+ TApplicationImpl();
+ }
+
+ /**
+ * Public constructor. The backend type will be BackendType.ECMA48.
+ *
+ * @param input the InputStream underlying 'reader'. Its available()
+ * method is used to determine if reader.read() will block or not.
+ * @param reader a Reader connected to the remote user.
+ * @param writer a PrintWriter connected to the remote user.
+ * @throws IllegalArgumentException if input, reader, or writer are null.
+ */
+ public TApplication(final InputStream input, final Reader reader,
+ final PrintWriter writer) {
+
+ this(input, reader, writer, false);
+ }
+
+ /**
+ * Public constructor. This hook enables use with new non-Jexer
+ * backends.
+ *
+ * @param backend a Backend that is already ready to go.
+ */
+ public TApplication(final Backend backend) {
+ this.backend = backend;
+ backend.setListener(this);
+ TApplicationImpl();
+ }
+
+ /**
+ * Finish construction once the backend is set.
+ */
+ private void TApplicationImpl() {
+ // Text block mouse option
+ if (System.getProperty("jexer.textMouse", "true").equals("false")) {
+ textMouse = false;
+ }
+
+ // Hide mouse when typing option
+ if (System.getProperty("jexer.hideMouseWhenTyping",
+ "false").equals("true")) {
+
+ hideMouseWhenTyping = true;
+ }
+
+ // Hide status bar option
+ if (System.getProperty("jexer.hideStatusBar",
+ "false").equals("true")) {
+ hideStatusBar = true;
+ }
+
+ // Hide menu bar option
+ if (System.getProperty("jexer.hideMenuBar", "false").equals("true")) {
+ hideMenuBar = true;
+ }
+
+ theme = new ColorTheme();
+ desktopTop = (hideMenuBar ? 0 : 1);
+ desktopBottom = getScreen().getHeight() - 1 + (hideStatusBar ? 1 : 0);
+ fillEventQueue = new LinkedList<TInputEvent>();
+ drainEventQueue = new LinkedList<TInputEvent>();
+ windows = new LinkedList<TWindow>();
+ menus = new ArrayList<TMenu>();
+ subMenus = new ArrayList<TMenu>();
+ timers = new LinkedList<TTimer>();
+ accelerators = new HashMap<TKeypress, TMenuItem>();
+ menuItems = new LinkedList<TMenuItem>();
+ desktop = new TDesktop(this);
+
+ // Special case: the Swing backend needs to have a timer to drive its
+ // blink state.
+ if ((backend instanceof SwingBackend)
+ || (backend instanceof MultiBackend)
+ ) {
+ // Default to 500 millis, unless a SwingBackend has its own
+ // value.
+ long millis = 500;
+ if (backend instanceof SwingBackend) {
+ millis = ((SwingBackend) backend).getBlinkMillis();
+ }
+ if (millis > 0) {
+ addTimer(millis, true,
+ new TAction() {
+ public void DO() {
+ TApplication.this.doRepaint();
+ }
+ }
+ );
+ }
+ }
+
+ }
+
+ // ------------------------------------------------------------------------
+ // Runnable ---------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Run this application until it exits.
+ */
+ public void run() {
+ // System.err.println("*** TApplication.run() begins ***");
+
+ // Start the screen updater thread
+ screenHandler = new ScreenHandler(this);
+ (new Thread(screenHandler)).start();
+
+ // Start the main consumer thread
+ primaryEventHandler = new WidgetEventHandler(this, true);
+ (new Thread(primaryEventHandler)).start();
+
+ started = true;
+
+ while (!quit) {
+ synchronized (this) {
+ boolean doWait = false;
+
+ if (!backend.hasEvents()) {
+ synchronized (fillEventQueue) {
+ if (fillEventQueue.size() == 0) {
+ doWait = true;
+ }
+ }
+ }
+
+ if (doWait) {
+ // No I/O to dispatch, so wait until the backend
+ // provides new I/O.
+ try {
+ if (debugThreads) {
+ System.err.println(System.currentTimeMillis() +
+ " " + Thread.currentThread() + " MAIN sleep");
+ }
+
+ this.wait();
+
+ if (debugThreads) {
+ System.err.println(System.currentTimeMillis() +
+ " " + Thread.currentThread() + " MAIN AWAKE");
+ }
+ } catch (InterruptedException e) {
+ // I'm awake and don't care why, let's see what's
+ // going on out there.
+ }
+ }
+
+ } // synchronized (this)
+
+ synchronized (fillEventQueue) {
+ // Pull any pending I/O events
+ backend.getEvents(fillEventQueue);
+
+ // Dispatch each event to the appropriate handler, one at a
+ // time.
+ for (;;) {
+ TInputEvent event = null;
+ if (fillEventQueue.size() == 0) {
+ break;
+ }
+ event = fillEventQueue.remove(0);
+ metaHandleEvent(event);
+ }
+ }
+
+ // Wake a consumer thread if we have any pending events.
+ if (drainEventQueue.size() > 0) {
+ wakeEventHandler();
+ }
+
+ } // while (!quit)
+
+ // Shutdown the event consumer threads
+ if (secondaryEventHandler != null) {
+ synchronized (secondaryEventHandler) {
+ secondaryEventHandler.notify();
+ }
+ }
+ if (primaryEventHandler != null) {
+ synchronized (primaryEventHandler) {
+ primaryEventHandler.notify();
+ }
+ }
+
+ // Close all the windows. This gives them an opportunity to release
+ // resources.
+ closeAllWindows();
+
+ // Close the desktop.
+ if (desktop != null) {
+ setDesktop(null);
+ }
+
+ // Give the overarching application an opportunity to release
+ // resources.
+ onExit();
+
+ // System.err.println("*** TApplication.run() exits ***");
+ }
+
+ // ------------------------------------------------------------------------
+ // Event handlers ---------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Method that TApplication subclasses can override to handle menu or
+ * posted command events.
+ *
+ * @param command command event
+ * @return if true, this event was consumed
+ */
+ protected boolean onCommand(final TCommandEvent command) {
+ // Default: handle cmExit
+ if (command.equals(cmExit)) {
+ if (messageBox(i18n.getString("exitDialogTitle"),
+ i18n.getString("exitDialogText"),
+ TMessageBox.Type.YESNO).isYes()) {
+
+ exit();
+ }
+ return true;
+ }
+
+ if (command.equals(cmShell)) {
+ openTerminal(0, 0, TWindow.RESIZABLE);
+ return true;
+ }
+
+ if (command.equals(cmTile)) {
+ tileWindows();
+ return true;
+ }
+ if (command.equals(cmCascade)) {
+ cascadeWindows();
+ return true;
+ }
+ if (command.equals(cmCloseAll)) {
+ closeAllWindows();
+ return true;
+ }
+
+ if (command.equals(cmMenu) && (hideMenuBar == false)) {
+ if (!modalWindowActive() && (activeMenu == null)) {
+ if (menus.size() > 0) {
+ menus.get(0).setActive(true);
+ activeMenu = menus.get(0);
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Method that TApplication subclasses can override to handle menu
+ * events.
+ *
+ * @param menu menu event
+ * @return if true, this event was consumed
+ */
+ protected boolean onMenu(final TMenuEvent menu) {
+
+ // Default: handle MID_EXIT
+ if (menu.getId() == TMenu.MID_EXIT) {
+ if (messageBox(i18n.getString("exitDialogTitle"),
+ i18n.getString("exitDialogText"),
+ TMessageBox.Type.YESNO).isYes()) {
+
+ exit();
+ }
+ return true;
+ }
+
+ if (menu.getId() == TMenu.MID_SHELL) {
+ openTerminal(0, 0, TWindow.RESIZABLE);
+ return true;
+ }
+
+ if (menu.getId() == TMenu.MID_TILE) {
+ tileWindows();
+ return true;
+ }
+ if (menu.getId() == TMenu.MID_CASCADE) {
+ cascadeWindows();
+ return true;
+ }
+ if (menu.getId() == TMenu.MID_CLOSE_ALL) {
+ closeAllWindows();
+ return true;
+ }
+ if (menu.getId() == TMenu.MID_ABOUT) {
+ showAboutDialog();
+ return true;
+ }
+ if (menu.getId() == TMenu.MID_REPAINT) {
+ getScreen().clearPhysical();
+ doRepaint();
+ return true;
+ }
+ if (menu.getId() == TMenu.MID_VIEW_IMAGE) {
+ openImage();
+ return true;
+ }
+ if (menu.getId() == TMenu.MID_SCREEN_OPTIONS) {
+ new TFontChooserWindow(this);
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Method that TApplication subclasses can override to handle keystrokes.
+ *
+ * @param keypress keystroke event
+ * @return if true, this event was consumed
+ */
+ protected boolean onKeypress(final TKeypressEvent keypress) {
+ // Default: only menu shortcuts
+
+ // Process Alt-F, Alt-E, etc. menu shortcut keys
+ if (!keypress.getKey().isFnKey()
+ && keypress.getKey().isAlt()
+ && !keypress.getKey().isCtrl()
+ && (activeMenu == null)
+ && !modalWindowActive()
+ && (hideMenuBar == false)
+ ) {
+
+ assert (subMenus.size() == 0);
+
+ for (TMenu menu: menus) {
+ if (Character.toLowerCase(menu.getMnemonic().getShortcut())
+ == Character.toLowerCase(keypress.getKey().getChar())
+ ) {
+ activeMenu = menu;
+ menu.setActive(true);
+ return true;
+ }
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Process background events, and update the screen.
+ */
+ private void finishEventProcessing() {
+ if (debugThreads) {
+ System.err.printf(System.currentTimeMillis() + " " +
+ Thread.currentThread() + " finishEventProcessing()\n");
+ }
+
+ // Process timers and call doIdle()'s
+ doIdle();
+
+ // Update the screen
+ synchronized (getScreen()) {
+ drawAll();
+ }
+
+ // Wake up the screen repainter
+ wakeScreenHandler();
+
+ if (debugThreads) {
+ System.err.printf(System.currentTimeMillis() + " " +
+ Thread.currentThread() + " finishEventProcessing() END\n");
+ }
+ }
+
+ /**
+ * Peek at certain application-level events, add to eventQueue, and wake
+ * up the consuming Thread.
+ *
+ * @param event the input event to consume
+ */
+ private void metaHandleEvent(final TInputEvent event) {
+
+ if (debugEvents) {
+ System.err.printf(String.format("metaHandleEvents event: %s\n",
+ event)); System.err.flush();
+ }
+
+ if (quit) {
+ // Do no more processing if the application is already trying
+ // to exit.
+ return;
+ }
+
+ // Special application-wide events -------------------------------
+
+ // Abort everything
+ if (event instanceof TCommandEvent) {
+ TCommandEvent command = (TCommandEvent) event;
+ if (command.equals(cmAbort)) {
+ exit();
+ return;
+ }
+ }
+
+ synchronized (drainEventQueue) {
+ // Screen resize
+ if (event instanceof TResizeEvent) {
+ TResizeEvent resize = (TResizeEvent) event;
+ synchronized (getScreen()) {
+ if ((System.currentTimeMillis() - screenResizeTime >= 15)
+ || (resize.getWidth() < getScreen().getWidth())
+ || (resize.getHeight() < getScreen().getHeight())
+ ) {
+ getScreen().setDimensions(resize.getWidth(),
+ resize.getHeight());
+ screenResizeTime = System.currentTimeMillis();
+ }
+ desktopBottom = getScreen().getHeight() - 1;
+ if (hideStatusBar) {
+ desktopBottom++;
+ }
+ mouseX = 0;
+ mouseY = 0;
+ oldMouseX = 0;
+ oldMouseY = 0;
+ }
+ if (desktop != null) {
+ desktop.setDimensions(0, desktopTop, resize.getWidth(),
+ (desktopBottom - desktopTop));
+ desktop.onResize(resize);
+ }
+
+ // Change menu edges if needed.
+ recomputeMenuX();
+
+ // We are dirty, redraw the screen.
+ doRepaint();
+
+ /*
+ System.err.println("New screen: " + resize.getWidth() +
+ " x " + resize.getHeight());
+ */
+ return;
+ }
+
+ // Put into the main queue
+ drainEventQueue.add(event);
+ }
+ }
+
+ /**
+ * Dispatch one event to the appropriate widget or application-level
+ * event handler. This is the primary event handler, it has the normal
+ * application-wide event handling.
+ *
+ * @param event the input event to consume
+ * @see #secondaryHandleEvent(TInputEvent event)
+ */
+ private void primaryHandleEvent(final TInputEvent event) {
+
+ if (debugEvents) {
+ System.err.printf("%s primaryHandleEvent: %s\n",
+ Thread.currentThread(), event);
+ }
+ TMouseEvent doubleClick = null;
+
+ // Special application-wide events -----------------------------------
+
+ if (event instanceof TKeypressEvent) {
+ if (hideMouseWhenTyping) {
+ typingHidMouse = true;
+ }
+ }
+
+ // Peek at the mouse position
+ if (event instanceof TMouseEvent) {
+ typingHidMouse = false;
+
+ TMouseEvent mouse = (TMouseEvent) event;
+ if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) {
+ oldMouseX = mouseX;
+ oldMouseY = mouseY;
+ mouseX = mouse.getX();
+ mouseY = mouse.getY();
+ } else {
+ if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN)
+ && (!mouse.isMouseWheelUp())
+ && (!mouse.isMouseWheelDown())
+ ) {
+ if ((mouse.getTime().getTime() - lastMouseUpTime) <
+ doubleClickTime) {
+
+ // This is a double-click.
+ doubleClick = new TMouseEvent(TMouseEvent.Type.
+ MOUSE_DOUBLE_CLICK,
+ mouse.getX(), mouse.getY(),
+ mouse.getAbsoluteX(), mouse.getAbsoluteY(),
+ mouse.isMouse1(), mouse.isMouse2(),
+ mouse.isMouse3(),
+ mouse.isMouseWheelUp(), mouse.isMouseWheelDown());
+
+ } else {
+ // The first click of a potential double-click.
+ lastMouseUpTime = mouse.getTime().getTime();
+ }
+ }
+ }
+
+ // See if we need to switch focus to another window or the menu
+ checkSwitchFocus((TMouseEvent) event);
+ }
+
+ // Handle menu events
+ if ((activeMenu != null) && !(event instanceof TCommandEvent)) {
+ TMenu menu = activeMenu;
+
+ if (event instanceof TMouseEvent) {
+ TMouseEvent mouse = (TMouseEvent) event;
+
+ while (subMenus.size() > 0) {
+ TMenu subMenu = subMenus.get(subMenus.size() - 1);
+ if (subMenu.mouseWouldHit(mouse)) {
+ break;
+ }
+ if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION)
+ && (!mouse.isMouse1())
+ && (!mouse.isMouse2())
+ && (!mouse.isMouse3())
+ && (!mouse.isMouseWheelUp())
+ && (!mouse.isMouseWheelDown())
+ ) {
+ break;
+ }
+ // We navigated away from a sub-menu, so close it
+ closeSubMenu();
+ }
+
+ // Convert the mouse relative x/y to menu coordinates
+ assert (mouse.getX() == mouse.getAbsoluteX());
+ assert (mouse.getY() == mouse.getAbsoluteY());
+ if (subMenus.size() > 0) {
+ menu = subMenus.get(subMenus.size() - 1);
+ }
+ mouse.setX(mouse.getX() - menu.getX());
+ mouse.setY(mouse.getY() - menu.getY());
+ }
+ menu.handleEvent(event);
+ return;
+ }
+
+ if (event instanceof TKeypressEvent) {
+ TKeypressEvent keypress = (TKeypressEvent) event;
+
+ // See if this key matches an accelerator, and is not being
+ // shortcutted by the active window, and if so dispatch the menu
+ // event.
+ boolean windowWillShortcut = false;
+ if (activeWindow != null) {
+ assert (activeWindow.isShown());
+ if (activeWindow.isShortcutKeypress(keypress.getKey())) {
+ // We do not process this key, it will be passed to the
+ // window instead.
+ windowWillShortcut = true;
+ }
+ }
+
+ if (!windowWillShortcut && !modalWindowActive()) {
+ TKeypress keypressLowercase = keypress.getKey().toLowerCase();
+ TMenuItem item = null;
+ synchronized (accelerators) {
+ item = accelerators.get(keypressLowercase);
+ }
+ if (item != null) {
+ if (item.isEnabled()) {
+ // Let the menu item dispatch
+ item.dispatch();
+ return;
+ }
+ }
+
+ // Handle the keypress
+ if (onKeypress(keypress)) {
+ return;
+ }
+ }
+ }
+
+ if (event instanceof TCommandEvent) {
+ if (onCommand((TCommandEvent) event)) {
+ return;
+ }
+ }
+
+ if (event instanceof TMenuEvent) {
+ if (onMenu((TMenuEvent) event)) {
+ return;
+ }
+ }
+
+ // Dispatch events to the active window -------------------------------
+ boolean dispatchToDesktop = true;
+ TWindow window = activeWindow;
+ if (window != null) {
+ assert (window.isActive());
+ assert (window.isShown());
+ if (event instanceof TMouseEvent) {
+ TMouseEvent mouse = (TMouseEvent) event;
+ // Convert the mouse relative x/y to window coordinates
+ assert (mouse.getX() == mouse.getAbsoluteX());
+ assert (mouse.getY() == mouse.getAbsoluteY());
+ mouse.setX(mouse.getX() - window.getX());
+ mouse.setY(mouse.getY() - window.getY());
+
+ if (doubleClick != null) {
+ doubleClick.setX(doubleClick.getX() - window.getX());
+ doubleClick.setY(doubleClick.getY() - window.getY());
+ }
+
+ if (window.mouseWouldHit(mouse)) {
+ dispatchToDesktop = false;
+ }
+ } else if (event instanceof TKeypressEvent) {
+ dispatchToDesktop = false;
+ } else if (event instanceof TMenuEvent) {
+ dispatchToDesktop = false;
+ }
+
+ if (debugEvents) {
+ System.err.printf("TApplication dispatch event: %s\n",
+ event);
+ }
+ window.handleEvent(event);
+ if (doubleClick != null) {
+ window.handleEvent(doubleClick);
+ }
+ }
+ if (dispatchToDesktop) {
+ // This event is fair game for the desktop to process.
+ if (desktop != null) {
+ desktop.handleEvent(event);
+ if (doubleClick != null) {
+ desktop.handleEvent(doubleClick);
+ }
+ }
+ }
+ }
+
+ /**
+ * Dispatch one event to the appropriate widget or application-level
+ * event handler. This is the secondary event handler used by certain
+ * special dialogs (currently TMessageBox and TFileOpenBox).
+ *
+ * @param event the input event to consume
+ * @see #primaryHandleEvent(TInputEvent event)
+ */
+ private void secondaryHandleEvent(final TInputEvent event) {
+ TMouseEvent doubleClick = null;
+
+ if (debugEvents) {
+ System.err.printf("%s secondaryHandleEvent: %s\n",
+ Thread.currentThread(), event);
+ }
+
+ // Peek at the mouse position
+ if (event instanceof TMouseEvent) {
+ typingHidMouse = false;
+
+ TMouseEvent mouse = (TMouseEvent) event;
+ if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) {
+ oldMouseX = mouseX;
+ oldMouseY = mouseY;
+ mouseX = mouse.getX();
+ mouseY = mouse.getY();
+ } else {
+ if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN)
+ && (!mouse.isMouseWheelUp())
+ && (!mouse.isMouseWheelDown())
+ ) {
+ if ((mouse.getTime().getTime() - lastMouseUpTime) <
+ doubleClickTime) {
+
+ // This is a double-click.
+ doubleClick = new TMouseEvent(TMouseEvent.Type.
+ MOUSE_DOUBLE_CLICK,
+ mouse.getX(), mouse.getY(),
+ mouse.getAbsoluteX(), mouse.getAbsoluteY(),
+ mouse.isMouse1(), mouse.isMouse2(),
+ mouse.isMouse3(),
+ mouse.isMouseWheelUp(), mouse.isMouseWheelDown());
+
+ } else {
+ // The first click of a potential double-click.
+ lastMouseUpTime = mouse.getTime().getTime();
+ }
+ }
+ }
+ }
+
+ secondaryEventReceiver.handleEvent(event);
+ // Note that it is possible for secondaryEventReceiver to be null
+ // now, because its handleEvent() might have finished out on the
+ // secondary thread. So put any extra processing inside a null
+ // check.
+ if (secondaryEventReceiver != null) {
+ if (doubleClick != null) {
+ secondaryEventReceiver.handleEvent(doubleClick);
+ }
+ }
+ }
+
+ /**
+ * Enable a widget to override the primary event thread.
+ *
+ * @param widget widget that will receive events
+ */
+ public final void enableSecondaryEventReceiver(final TWidget widget) {
+ if (debugThreads) {
+ System.err.println(System.currentTimeMillis() +
+ " enableSecondaryEventReceiver()");
+ }
+
+ assert (secondaryEventReceiver == null);
+ assert (secondaryEventHandler == null);
+ assert ((widget instanceof TMessageBox)
+ || (widget instanceof TFileOpenBox));
+ secondaryEventReceiver = widget;
+ secondaryEventHandler = new WidgetEventHandler(this, false);
+
+ (new Thread(secondaryEventHandler)).start();
+ }
+
+ /**
+ * Yield to the secondary thread.
+ */
+ public final void yield() {
+ if (debugThreads) {
+ System.err.printf(System.currentTimeMillis() + " " +
+ Thread.currentThread() + " yield()\n");
+ }
+
+ assert (secondaryEventReceiver != null);
+
+ while (secondaryEventReceiver != null) {
+ synchronized (primaryEventHandler) {
+ try {
+ primaryEventHandler.wait();
+ } catch (InterruptedException e) {
+ // SQUASH
+ }
+ }
+ }
+ }
+
+ /**
+ * Do stuff when there is no user input.
+ */
+ private void doIdle() {
+ if (debugThreads) {
+ System.err.printf(System.currentTimeMillis() + " " +
+ Thread.currentThread() + " doIdle()\n");
+ }
+
+ synchronized (timers) {
+
+ if (debugThreads) {
+ System.err.printf(System.currentTimeMillis() + " " +
+ Thread.currentThread() + " doIdle() 2\n");
+ }
+
+ // Run any timers that have timed out
+ Date now = new Date();
+ List<TTimer> keepTimers = new LinkedList<TTimer>();
+ for (TTimer timer: timers) {
+ if (timer.getNextTick().getTime() <= now.getTime()) {
+ // Something might change, so repaint the screen.
+ repaint = true;
+ timer.tick();
+ if (timer.recurring) {
+ keepTimers.add(timer);
+ }
+ } else {
+ keepTimers.add(timer);
+ }
+ }
+ timers.clear();
+ timers.addAll(keepTimers);
+ }
+
+ // Call onIdle's
+ for (TWindow window: windows) {
+ window.onIdle();
+ }
+ if (desktop != null) {
+ desktop.onIdle();
+ }
+
+ // Run any invokeLaters
+ synchronized (invokeLaters) {
+ for (Runnable invoke: invokeLaters) {
+ invoke.run();
+ }
+ invokeLaters.clear();
+ }
+
+ }
+
+ /**
+ * Wake the sleeping active event handler.
+ */
+ private void wakeEventHandler() {
+ if (!started) {
+ return;
+ }
+
+ if (secondaryEventHandler != null) {
+ synchronized (secondaryEventHandler) {
+ secondaryEventHandler.notify();
+ }
+ } else {
+ assert (primaryEventHandler != null);
+ synchronized (primaryEventHandler) {
+ primaryEventHandler.notify();
+ }
+ }
+ }
+
+ /**
+ * Wake the sleeping screen handler.
+ */
+ private void wakeScreenHandler() {
+ if (!started) {
+ return;
+ }
+
+ synchronized (screenHandler) {
+ screenHandler.notify();
+ }
+ }
+
+ // ------------------------------------------------------------------------
+ // TApplication -----------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Place a command on the run queue, and run it before the next round of
+ * checking I/O.
+ *
+ * @param command the command to run later
+ */
+ public void invokeLater(final Runnable command) {
+ synchronized (invokeLaters) {
+ invokeLaters.add(command);
+ }
+ doRepaint();
+ }
+
+ /**
+ * Restore the console to sane defaults. This is meant to be used for
+ * improper exits (e.g. a caught exception in main()), and should not be
+ * necessary for normal program termination.
+ */
+ public void restoreConsole() {
+ if (backend != null) {
+ if (backend instanceof ECMA48Backend) {
+ backend.shutdown();
+ }
+ }
+ }
+
+ /**
+ * Get the Backend.
+ *
+ * @return the Backend
+ */
+ public final Backend getBackend() {
+ return backend;
+ }
+
+ /**
+ * Get the Screen.
+ *
+ * @return the Screen
+ */
+ public final Screen getScreen() {
+ if (backend instanceof TWindowBackend) {
+ // We are being rendered to a TWindow. We can't use its
+ // getScreen() method because that is how it is rendering to a
+ // hardware backend somewhere. Instead use its getOtherScreen()
+ // method.
+ return ((TWindowBackend) backend).getOtherScreen();
+ } else {
+ return backend.getScreen();
+ }
+ }
+
+ /**
+ * Get the color theme.
+ *
+ * @return the theme
+ */
+ public final ColorTheme getTheme() {
+ return theme;
+ }
+
+ /**
+ * Repaint the screen on the next update.
+ */
+ public void doRepaint() {
+ repaint = true;
+ wakeEventHandler();
+ }
+
+ /**
+ * Get Y coordinate of the top edge of the desktop.
+ *
+ * @return Y coordinate of the top edge of the desktop
+ */
+ public final int getDesktopTop() {
+ return desktopTop;
+ }
+
+ /**
+ * Get Y coordinate of the bottom edge of the desktop.
+ *
+ * @return Y coordinate of the bottom edge of the desktop
+ */
+ public final int getDesktopBottom() {
+ return desktopBottom;
+ }
+
+ /**
+ * Set the TDesktop instance.
+ *
+ * @param desktop a TDesktop instance, or null to remove the one that is
+ * set
+ */
+ public final void setDesktop(final TDesktop desktop) {
+ if (this.desktop != null) {
+ this.desktop.onPreClose();
+ this.desktop.onUnfocus();
+ this.desktop.onClose();
+ }
+ this.desktop = desktop;
+ }
+
+ /**
+ * Get the TDesktop instance.
+ *
+ * @return the desktop, or null if it is not set
+ */
+ public final TDesktop getDesktop() {
+ return desktop;
+ }
+
+ /**
+ * Get the current active window.
+ *
+ * @return the active window, or null if it is not set
+ */
+ public final TWindow getActiveWindow() {
+ return activeWindow;
+ }
+
+ /**
+ * Get a (shallow) copy of the window list.
+ *
+ * @return a copy of the list of windows for this application
+ */
+ public final List<TWindow> getAllWindows() {
+ List<TWindow> result = new ArrayList<TWindow>();
+ result.addAll(windows);
+ return result;
+ }
+
+ /**
+ * Get focusFollowsMouse flag.
+ *
+ * @return true if focus follows mouse: windows automatically raised if
+ * the mouse passes over them
+ */
+ public boolean getFocusFollowsMouse() {
+ return focusFollowsMouse;
+ }
+
+ /**
+ * Set focusFollowsMouse flag.
+ *
+ * @param focusFollowsMouse if true, focus follows mouse: windows
+ * automatically raised if the mouse passes over them
+ */
+ public void setFocusFollowsMouse(final boolean focusFollowsMouse) {
+ this.focusFollowsMouse = focusFollowsMouse;
+ }
+
+ /**
+ * Display the about dialog.
+ */
+ protected void showAboutDialog() {
+ String version = getClass().getPackage().getImplementationVersion();
+ if (version == null) {
+ // This is Java 9+, use a hardcoded string here.
+ version = "0.3.2";
+ }
+ messageBox(i18n.getString("aboutDialogTitle"),
+ MessageFormat.format(i18n.getString("aboutDialogText"), version),
+ TMessageBox.Type.OK);
+ }
+
+ /**
+ * Handle the Tool | Open image menu item.
+ */
+ private void openImage() {
+ try {
+ List<String> filters = new ArrayList<String>();
+ filters.add("^.*\\.[Jj][Pp][Gg]$");
+ filters.add("^.*\\.[Jj][Pp][Ee][Gg]$");
+ filters.add("^.*\\.[Pp][Nn][Gg]$");
+ filters.add("^.*\\.[Gg][Ii][Ff]$");
+ filters.add("^.*\\.[Bb][Mm][Pp]$");
+ String filename = fileOpenBox(".", TFileOpenBox.Type.OPEN, filters);
+ if (filename != null) {
+ new TImageWindow(this, new File(filename));
+ }
+ } catch (IOException e) {
+ // Show this exception to the user.
+ new TExceptionDialog(this, e);
+ }
+ }
+
+ /**
+ * Check if application is still running.
+ *
+ * @return true if the application is running
+ */
+ public final boolean isRunning() {
+ if (quit == true) {
+ return false;
+ }
+ return true;
+ }
+
+ // ------------------------------------------------------------------------
+ // Screen refresh loop ----------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Invert the cell color at a position. This is used to track the mouse.
+ *
+ * @param x column position
+ * @param y row position
+ */
+ private void invertCell(final int x, final int y) {
+ invertCell(x, y, false);
+ }
+
+ /**
+ * Invert the cell color at a position. This is used to track the mouse.
+ *
+ * @param x column position
+ * @param y row position
+ * @param onlyThisCell if true, only invert this cell
+ */
+ private void invertCell(final int x, final int y,
+ final boolean onlyThisCell) {
+
+ if (debugThreads) {
+ System.err.printf("%d %s invertCell() %d %d\n",
+ System.currentTimeMillis(), Thread.currentThread(), x, y);
+
+ if (activeWindow != null) {
+ System.err.println("activeWindow.hasHiddenMouse() " +
+ activeWindow.hasHiddenMouse());
+ }
+ }
+
+ // If this cell is on top of a visible window that has requested a
+ // hidden mouse, bail out.
+ if ((activeWindow != null) && (activeMenu == null)) {
+ if ((activeWindow.hasHiddenMouse() == true)
+ && (x > activeWindow.getX())
+ && (x < activeWindow.getX() + activeWindow.getWidth() - 1)
+ && (y > activeWindow.getY())
+ && (y < activeWindow.getY() + activeWindow.getHeight() - 1)
+ ) {
+ return;
+ }
+ }
+
+ // If this cell is on top of the desktop, and the desktop has
+ // requested a hidden mouse, bail out.
+ if ((desktop != null) && (activeWindow == null) && (activeMenu == null)) {
+ if ((desktop.hasHiddenMouse() == true)
+ && (x > desktop.getX())
+ && (x < desktop.getX() + desktop.getWidth() - 1)
+ && (y > desktop.getY())
+ && (y < desktop.getY() + desktop.getHeight() - 1)
+ ) {
+ return;
+ }
+ }
+
+ Cell cell = getScreen().getCharXY(x, y);
+ if (cell.isImage()) {
+ cell.invertImage();
+ }
+ if (cell.getForeColorRGB() < 0) {
+ cell.setForeColor(cell.getForeColor().invert());
+ } else {
+ cell.setForeColorRGB(cell.getForeColorRGB() ^ 0x00ffffff);
+ }
+ if (cell.getBackColorRGB() < 0) {
+ cell.setBackColor(cell.getBackColor().invert());
+ } else {
+ cell.setBackColorRGB(cell.getBackColorRGB() ^ 0x00ffffff);
+ }
+ getScreen().putCharXY(x, y, cell);
+ if ((onlyThisCell == true) || (cell.getWidth() == Cell.Width.SINGLE)) {
+ return;
+ }
+
+ // This cell is one half of a fullwidth glyph. Invert the other
+ // half.
+ if (cell.getWidth() == Cell.Width.LEFT) {
+ if (x < getScreen().getWidth() - 1) {
+ Cell rightHalf = getScreen().getCharXY(x + 1, y);
+ if (rightHalf.getWidth() == Cell.Width.RIGHT) {
+ invertCell(x + 1, y, true);
+ return;
+ }
+ }
+ }
+ if (cell.getWidth() == Cell.Width.RIGHT) {
+ if (x > 0) {
+ Cell leftHalf = getScreen().getCharXY(x - 1, y);
+ if (leftHalf.getWidth() == Cell.Width.LEFT) {
+ invertCell(x - 1, y, true);
+ }
+ }
+ }
+ }
+
+ /**
+ * Draw everything.
+ */
+ private void drawAll() {
+ boolean menuIsActive = false;
+
+ if (debugThreads) {
+ System.err.printf("%d %s drawAll() enter\n",
+ System.currentTimeMillis(), Thread.currentThread());
+ }
+
+ // I don't think this does anything useful anymore...
+ if (!repaint) {
+ if (debugThreads) {
+ System.err.printf("%d %s drawAll() !repaint\n",
+ System.currentTimeMillis(), Thread.currentThread());
+ }
+ if ((oldDrawnMouseX != mouseX) || (oldDrawnMouseY != mouseY)) {
+ if (debugThreads) {
+ System.err.printf("%d %s drawAll() !repaint MOUSE\n",
+ System.currentTimeMillis(), Thread.currentThread());
+ }
+
+ // The only thing that has happened is the mouse moved.
+
+ // Redraw the old cell at that position, and save the cell at
+ // the new mouse position.
+ if (debugThreads) {
+ System.err.printf("%d %s restoreImage() %d %d\n",
+ System.currentTimeMillis(), Thread.currentThread(),
+ oldDrawnMouseX, oldDrawnMouseY);
+ }
+ oldDrawnMouseCell.restoreImage();
+ getScreen().putCharXY(oldDrawnMouseX, oldDrawnMouseY,
+ oldDrawnMouseCell);
+ oldDrawnMouseCell = getScreen().getCharXY(mouseX, mouseY);
+ if (backend instanceof ECMA48Backend) {
+ // Special case: the entire row containing the mouse has
+ // to be re-drawn if it has any image data, AND any rows
+ // in between.
+ if (oldDrawnMouseY != mouseY) {
+ for (int i = oldDrawnMouseY; ;) {
+ getScreen().unsetImageRow(i);
+ if (i == mouseY) {
+ break;
+ }
+ if (oldDrawnMouseY < mouseY) {
+ i++;
+ } else {
+ i--;
+ }
+ }
+ } else {
+ getScreen().unsetImageRow(mouseY);
+ }
+ }
+
+ if ((textMouse == true) && (typingHidMouse == false)) {
+ // Draw mouse at the new position.
+ invertCell(mouseX, mouseY);
+ }
+
+ oldDrawnMouseX = mouseX;
+ oldDrawnMouseY = mouseY;
+ }
+ if (getScreen().isDirty()) {
+ screenHandler.setDirty();
+ }
+ return;
+ }
+
+ if (debugThreads) {
+ System.err.printf("%d %s drawAll() REDRAW\n",
+ System.currentTimeMillis(), Thread.currentThread());
}
// If true, the cursor is not visible
// Start with a clean screen
getScreen().clear();
- // Draw the background
- CellAttributes background = theme.getColor("tapplication.background");
- getScreen().putAll(GraphicsChars.HATCH, background);
+ // Draw the desktop
+ if (desktop != null) {
+ desktop.drawChildren();
+ }
// Draw each window in reverse Z order
- List<TWindow> sorted = new LinkedList<TWindow>(windows);
+ List<TWindow> sorted = new ArrayList<TWindow>(windows);
Collections.sort(sorted);
+ TWindow topLevel = null;
+ if (sorted.size() > 0) {
+ topLevel = sorted.get(0);
+ }
Collections.reverse(sorted);
for (TWindow window: sorted) {
- window.drawChildren();
+ if (window.isShown()) {
+ window.drawChildren();
+ }
}
- // Draw the blank menubar line - reset the screen clipping first so
- // it won't trim it out.
- getScreen().resetClipping();
- getScreen().hLineXY(0, 0, getScreen().getWidth(), ' ',
- theme.getColor("tmenu"));
- // Now draw the menus.
- int x = 1;
- for (TMenu menu: menus) {
- CellAttributes menuColor;
- CellAttributes menuMnemonicColor;
- if (menu.getActive()) {
- menuColor = theme.getColor("tmenu.highlighted");
- menuMnemonicColor = theme.getColor("tmenu.mnemonic.highlighted");
- } else {
- menuColor = theme.getColor("tmenu");
- menuMnemonicColor = theme.getColor("tmenu.mnemonic");
- }
- // Draw the menu title
- getScreen().hLineXY(x, 0, menu.getTitle().length() + 2, ' ',
- menuColor);
- getScreen().putStrXY(x + 1, 0, menu.getTitle(), menuColor);
- // Draw the highlight character
- getScreen().putCharXY(x + 1 + menu.getMnemonic().getShortcutIdx(),
- 0, menu.getMnemonic().getShortcut(), menuMnemonicColor);
-
- if (menu.getActive()) {
- menu.drawChildren();
- // Reset the screen clipping so we can draw the next title.
+ if (hideMenuBar == false) {
+
+ // Draw the blank menubar line - reset the screen clipping first
+ // so it won't trim it out.
+ getScreen().resetClipping();
+ getScreen().hLineXY(0, 0, getScreen().getWidth(), ' ',
+ theme.getColor("tmenu"));
+ // Now draw the menus.
+ int x = 1;
+ for (TMenu menu: menus) {
+ CellAttributes menuColor;
+ CellAttributes menuMnemonicColor;
+ if (menu.isActive()) {
+ menuIsActive = true;
+ menuColor = theme.getColor("tmenu.highlighted");
+ menuMnemonicColor = theme.getColor("tmenu.mnemonic.highlighted");
+ topLevel = menu;
+ } else {
+ menuColor = theme.getColor("tmenu");
+ menuMnemonicColor = theme.getColor("tmenu.mnemonic");
+ }
+ // Draw the menu title
+ getScreen().hLineXY(x, 0,
+ StringUtils.width(menu.getTitle()) + 2, ' ', menuColor);
+ getScreen().putStringXY(x + 1, 0, menu.getTitle(), menuColor);
+ // Draw the highlight character
+ getScreen().putCharXY(x + 1 +
+ menu.getMnemonic().getScreenShortcutIdx(),
+ 0, menu.getMnemonic().getShortcut(), menuMnemonicColor);
+
+ if (menu.isActive()) {
+ ((TWindow) menu).drawChildren();
+ // Reset the screen clipping so we can draw the next
+ // title.
+ getScreen().resetClipping();
+ }
+ x += StringUtils.width(menu.getTitle()) + 2;
+ }
+
+ for (TMenu menu: subMenus) {
+ // Reset the screen clipping so we can draw the next
+ // sub-menu.
getScreen().resetClipping();
+ ((TWindow) menu).drawChildren();
}
- x += menu.getTitle().length() + 2;
}
+ getScreen().resetClipping();
- for (TMenu menu: subMenus) {
- // Reset the screen clipping so we can draw the next sub-menu.
- getScreen().resetClipping();
- menu.drawChildren();
+ if (hideStatusBar == false) {
+ // Draw the status bar of the top-level window
+ TStatusBar statusBar = null;
+ if (topLevel != null) {
+ statusBar = topLevel.getStatusBar();
+ }
+ if (statusBar != null) {
+ getScreen().resetClipping();
+ statusBar.setWidth(getScreen().getWidth());
+ statusBar.setY(getScreen().getHeight() - topLevel.getY());
+ statusBar.draw();
+ } else {
+ CellAttributes barColor = new CellAttributes();
+ barColor.setTo(getTheme().getColor("tstatusbar.text"));
+ getScreen().hLineXY(0, desktopBottom, getScreen().getWidth(),
+ ' ', barColor);
+ }
}
// Draw the mouse pointer
- drawMouse();
+ if (debugThreads) {
+ System.err.printf("%d %s restoreImage() %d %d\n",
+ System.currentTimeMillis(), Thread.currentThread(),
+ oldDrawnMouseX, oldDrawnMouseY);
+ }
+ oldDrawnMouseCell = getScreen().getCharXY(mouseX, mouseY);
+ if (backend instanceof ECMA48Backend) {
+ // Special case: the entire row containing the mouse has to be
+ // re-drawn if it has any image data, AND any rows in between.
+ if (oldDrawnMouseY != mouseY) {
+ for (int i = oldDrawnMouseY; ;) {
+ getScreen().unsetImageRow(i);
+ if (i == mouseY) {
+ break;
+ }
+ if (oldDrawnMouseY < mouseY) {
+ i++;
+ } else {
+ i--;
+ }
+ }
+ } else {
+ getScreen().unsetImageRow(mouseY);
+ }
+ }
+ if ((textMouse == true) && (typingHidMouse == false)) {
+ invertCell(mouseX, mouseY);
+ }
+ oldDrawnMouseX = mouseX;
+ oldDrawnMouseY = mouseY;
// Place the cursor if it is visible
- TWidget activeWidget = null;
- if (sorted.size() > 0) {
- activeWidget = sorted.get(sorted.size() - 1).getActiveChild();
- if (activeWidget.visibleCursor()) {
- getScreen().putCursor(true, activeWidget.getCursorAbsoluteX(),
- activeWidget.getCursorAbsoluteY());
- cursor = true;
+ if (!menuIsActive) {
+
+ int visibleWindowCount = 0;
+ for (TWindow window: sorted) {
+ if (window.isShown()) {
+ visibleWindowCount++;
+ }
+ }
+ if (visibleWindowCount == 0) {
+ // No windows are visible, only the desktop. Allow it to
+ // have the cursor.
+ if (desktop != null) {
+ sorted.add(desktop);
+ }
+ }
+
+ TWidget activeWidget = null;
+ if (sorted.size() > 0) {
+ activeWidget = sorted.get(sorted.size() - 1).getActiveChild();
+ int cursorClipTop = desktopTop;
+ int cursorClipBottom = desktopBottom;
+ if (activeWidget.isCursorVisible()) {
+ if ((activeWidget.getCursorAbsoluteY() <= cursorClipBottom)
+ && (activeWidget.getCursorAbsoluteY() >= cursorClipTop)
+ ) {
+ getScreen().putCursor(true,
+ activeWidget.getCursorAbsoluteX(),
+ activeWidget.getCursorAbsoluteY());
+ cursor = true;
+ } else {
+ // Turn off the cursor. Also place it at 0,0.
+ getScreen().putCursor(false, 0, 0);
+ cursor = false;
+ }
+ }
}
}
getScreen().hideCursor();
}
- // Flush the screen contents
- backend.flushScreen();
-
+ if (getScreen().isDirty()) {
+ screenHandler.setDirty();
+ }
repaint = false;
- flush = false;
}
/**
- * Run this application until it exits.
+ * Force this application to exit.
*/
- public final void run() {
- while (!quit) {
- // Timeout is in milliseconds, so default timeout after 1 second
- // of inactivity.
- long timeout = 0;
-
- // If I've got no updates to render, wait for something from the
- // backend or a timer.
- if (!repaint && !flush) {
- // Never sleep longer than 100 millis, to get windows with
- // background tasks an opportunity to update the display.
- timeout = getSleepTime(100);
-
- // See if there are any definitely events waiting to be
- // processed. If so, do not wait -- either there is I/O
- // coming in or the primary/secondary threads are still
- // working.
- synchronized (drainEventQueue) {
- if (drainEventQueue.size() > 0) {
- timeout = 0;
- }
- }
- synchronized (fillEventQueue) {
- if (fillEventQueue.size() > 0) {
- timeout = 0;
- }
- }
+ public void exit() {
+ quit = true;
+ synchronized (this) {
+ this.notify();
+ }
+ }
+
+ /**
+ * Subclasses can use this hook to cleanup resources. Called as the last
+ * step of TApplication.run().
+ */
+ public void onExit() {
+ // Default does nothing.
+ }
+
+ // ------------------------------------------------------------------------
+ // TWindow management -----------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Return the total number of windows.
+ *
+ * @return the total number of windows
+ */
+ public final int windowCount() {
+ return windows.size();
+ }
+
+ /**
+ * Return the number of windows that are showing.
+ *
+ * @return the number of windows that are showing on screen
+ */
+ public final int shownWindowCount() {
+ int n = 0;
+ for (TWindow w: windows) {
+ if (w.isShown()) {
+ n++;
}
+ }
+ return n;
+ }
- if (timeout > 0) {
- // As of now, I've got nothing to do: no I/O, nothing from
- // the consumer threads, no timers that need to run ASAP. So
- // wait until either the backend or the consumer threads have
- // something to do.
- try {
- synchronized (this) {
- this.wait(timeout);
- }
- } catch (InterruptedException e) {
- // I'm awake and don't care why, let's see what's going
- // on out there.
- }
+ /**
+ * Return the number of windows that are hidden.
+ *
+ * @return the number of windows that are hidden
+ */
+ public final int hiddenWindowCount() {
+ int n = 0;
+ for (TWindow w: windows) {
+ if (w.isHidden()) {
+ n++;
}
+ }
+ return n;
+ }
- // Pull any pending I/O events
- backend.getEvents(fillEventQueue);
+ /**
+ * Check if a window instance is in this application's window list.
+ *
+ * @param window window to look for
+ * @return true if this window is in the list
+ */
+ public final boolean hasWindow(final TWindow window) {
+ if (windows.size() == 0) {
+ return false;
+ }
+ for (TWindow w: windows) {
+ if (w == window) {
+ assert (window.getApplication() == this);
+ return true;
+ }
+ }
+ return false;
+ }
- // Dispatch each event to the appropriate handler, one at a time.
- for (;;) {
- TInputEvent event = null;
- synchronized (fillEventQueue) {
- if (fillEventQueue.size() == 0) {
- break;
- }
- event = fillEventQueue.remove(0);
- }
- metaHandleEvent(event);
+ /**
+ * Activate a window: bring it to the top and have it receive events.
+ *
+ * @param window the window to become the new active window
+ */
+ public void activateWindow(final TWindow window) {
+ if (hasWindow(window) == false) {
+ /*
+ * Someone has a handle to a window I don't have. Ignore this
+ * request.
+ */
+ return;
+ }
+
+ // Whatever window might be moving/dragging, stop it now.
+ for (TWindow w: windows) {
+ if (w.inMovements()) {
+ w.stopMovements();
}
+ }
- // Wake a consumer thread if we have any pending events.
- synchronized (drainEventQueue) {
- if (drainEventQueue.size() > 0) {
- wakeEventHandler();
- }
+ assert (windows.size() > 0);
+
+ if (window.isHidden()) {
+ // Unhiding will also activate.
+ showWindow(window);
+ return;
+ }
+ assert (window.isShown());
+
+ if (windows.size() == 1) {
+ assert (window == windows.get(0));
+ if (activeWindow == null) {
+ activeWindow = window;
+ window.setZ(0);
+ activeWindow.setActive(true);
+ activeWindow.onFocus();
}
- // Prevent stepping on the primary or secondary event handler.
- stopEventHandlers();
+ assert (window.isActive());
+ assert (activeWindow == window);
+ return;
+ }
+
+ if (activeWindow == window) {
+ assert (window.isActive());
- // Process timers and call doIdle()'s
- doIdle();
+ // Window is already active, do nothing.
+ return;
+ }
- // Update the screen
- synchronized (getScreen()) {
- drawAll();
+ assert (!window.isActive());
+ if (activeWindow != null) {
+ activeWindow.setActive(false);
+
+ // Increment every window Z that is on top of window
+ for (TWindow w: windows) {
+ if (w == window) {
+ continue;
+ }
+ if (w.getZ() < window.getZ()) {
+ w.setZ(w.getZ() + 1);
+ }
}
- // Let the event handlers run again.
- startEventHandlers();
+ // Unset activeWindow now before unfocus, so that a window
+ // lifecycle change inside onUnfocus() doesn't call
+ // switchWindow() and lead to a stack overflow.
+ TWindow oldActiveWindow = activeWindow;
+ activeWindow = null;
+ oldActiveWindow.onUnfocus();
+ }
+ activeWindow = window;
+ activeWindow.setZ(0);
+ activeWindow.setActive(true);
+ activeWindow.onFocus();
+ return;
+ }
- } // while (!quit)
+ /**
+ * Hide a window.
+ *
+ * @param window the window to hide
+ */
+ public void hideWindow(final TWindow window) {
+ if (hasWindow(window) == false) {
+ /*
+ * Someone has a handle to a window I don't have. Ignore this
+ * request.
+ */
+ return;
+ }
- // Shutdown the event consumer threads
- if (secondaryEventHandler != null) {
- synchronized (secondaryEventHandler) {
- secondaryEventHandler.notify();
+ // Whatever window might be moving/dragging, stop it now.
+ for (TWindow w: windows) {
+ if (w.inMovements()) {
+ w.stopMovements();
}
}
- if (primaryEventHandler != null) {
- synchronized (primaryEventHandler) {
- primaryEventHandler.notify();
+
+ assert (windows.size() > 0);
+
+ if (!window.hidden) {
+ if (window == activeWindow) {
+ if (shownWindowCount() > 1) {
+ switchWindow(true);
+ } else {
+ activeWindow = null;
+ window.setActive(false);
+ window.onUnfocus();
+ }
}
+ window.hidden = true;
+ window.onHide();
+ }
+ }
+
+ /**
+ * Show a window.
+ *
+ * @param window the window to show
+ */
+ public void showWindow(final TWindow window) {
+ if (hasWindow(window) == false) {
+ /*
+ * Someone has a handle to a window I don't have. Ignore this
+ * request.
+ */
+ return;
}
- // Shutdown the user I/O thread(s)
- backend.shutdown();
+ // Whatever window might be moving/dragging, stop it now.
+ for (TWindow w: windows) {
+ if (w.inMovements()) {
+ w.stopMovements();
+ }
+ }
- // Close all the windows. This gives them an opportunity to release
- // resources.
- closeAllWindows();
+ assert (windows.size() > 0);
+ if (window.hidden) {
+ window.hidden = false;
+ window.onShow();
+ activateWindow(window);
+ }
}
/**
- * Peek at certain application-level events, add to eventQueue, and wake
- * up the consuming Thread.
+ * Close window. Note that the window's destructor is NOT called by this
+ * method, instead the GC is assumed to do the cleanup.
*
- * @param event the input event to consume
+ * @param window the window to remove
*/
- private void metaHandleEvent(final TInputEvent event) {
+ public final void closeWindow(final TWindow window) {
+ if (hasWindow(window) == false) {
+ /*
+ * Someone has a handle to a window I don't have. Ignore this
+ * request.
+ */
+ return;
+ }
- if (debugEvents) {
- System.err.printf(String.format("metaHandleEvents event: %s\n",
- event)); System.err.flush();
+ // Let window know that it is about to be closed, while it is still
+ // visible on screen.
+ window.onPreClose();
+
+ synchronized (windows) {
+ // Whatever window might be moving/dragging, stop it now.
+ for (TWindow w: windows) {
+ if (w.inMovements()) {
+ w.stopMovements();
+ }
+ }
+
+ int z = window.getZ();
+ window.setZ(-1);
+ window.onUnfocus();
+ windows.remove(window);
+ Collections.sort(windows);
+ activeWindow = null;
+ int newZ = 0;
+ boolean foundNextWindow = false;
+
+ for (TWindow w: windows) {
+ w.setZ(newZ);
+ newZ++;
+
+ // Do not activate a hidden window.
+ if (w.isHidden()) {
+ continue;
+ }
+
+ if (foundNextWindow == false) {
+ foundNextWindow = true;
+ w.setActive(true);
+ w.onFocus();
+ assert (activeWindow == null);
+ activeWindow = w;
+ continue;
+ }
+
+ if (w.isActive()) {
+ w.setActive(false);
+ w.onUnfocus();
+ }
+ }
}
- if (quit) {
- // Do no more processing if the application is already trying
- // to exit.
+ // Perform window cleanup
+ window.onClose();
+
+ // Check if we are closing a TMessageBox or similar
+ if (secondaryEventReceiver != null) {
+ assert (secondaryEventHandler != null);
+
+ // Do not send events to the secondaryEventReceiver anymore, the
+ // window is closed.
+ secondaryEventReceiver = null;
+
+ // Wake the secondary thread, it will wake the primary as it
+ // exits.
+ synchronized (secondaryEventHandler) {
+ secondaryEventHandler.notify();
+ }
+ }
+
+ // Permit desktop to be active if it is the only thing left.
+ if (desktop != null) {
+ if (windows.size() == 0) {
+ desktop.setActive(true);
+ }
+ }
+ }
+
+ /**
+ * Switch to the next window.
+ *
+ * @param forward if true, then switch to the next window in the list,
+ * otherwise switch to the previous window in the list
+ */
+ public final void switchWindow(final boolean forward) {
+ // Only switch if there are multiple visible windows
+ if (shownWindowCount() < 2) {
return;
}
+ assert (activeWindow != null);
- // Special application-wide events -------------------------------
+ synchronized (windows) {
+ // Whatever window might be moving/dragging, stop it now.
+ for (TWindow w: windows) {
+ if (w.inMovements()) {
+ w.stopMovements();
+ }
+ }
- // Abort everything
- if (event instanceof TCommandEvent) {
- TCommandEvent command = (TCommandEvent) event;
- if (command.getCmd().equals(cmAbort)) {
- quit = true;
+ // Swap z/active between active window and the next in the list
+ int activeWindowI = -1;
+ for (int i = 0; i < windows.size(); i++) {
+ if (windows.get(i) == activeWindow) {
+ assert (activeWindow.isActive());
+ activeWindowI = i;
+ break;
+ } else {
+ assert (!windows.get(0).isActive());
+ }
+ }
+ assert (activeWindowI >= 0);
+
+ // Do not switch if a window is modal
+ if (activeWindow.isModal()) {
return;
}
- }
- // Screen resize
- if (event instanceof TResizeEvent) {
- TResizeEvent resize = (TResizeEvent) event;
- getScreen().setDimensions(resize.getWidth(),
- resize.getHeight());
- desktopBottom = getScreen().getHeight() - 1;
- repaint = true;
- mouseX = 0;
- mouseY = 0;
- return;
- }
+ int nextWindowI = activeWindowI;
+ for (;;) {
+ if (forward) {
+ nextWindowI++;
+ nextWindowI %= windows.size();
+ } else {
+ nextWindowI--;
+ if (nextWindowI < 0) {
+ nextWindowI = windows.size() - 1;
+ }
+ }
- // Peek at the mouse position
- if (event instanceof TMouseEvent) {
- TMouseEvent mouse = (TMouseEvent) event;
- if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) {
- mouseX = mouse.getX();
- mouseY = mouse.getY();
- drawMouse();
+ if (windows.get(nextWindowI).isShown()) {
+ activateWindow(windows.get(nextWindowI));
+ break;
+ }
}
- }
+ } // synchronized (windows)
- // Put into the main queue
- synchronized (drainEventQueue) {
- drainEventQueue.add(event);
- }
}
/**
- * Dispatch one event to the appropriate widget or application-level
- * event handler. This is the primary event handler, it has the normal
- * application-wide event handling.
+ * Add a window to my window list and make it active. Note package
+ * private access.
*
- * @param event the input event to consume
- * @see #secondaryHandleEvent(TInputEvent event)
+ * @param window new window to add
*/
- private void primaryHandleEvent(final TInputEvent event) {
+ final void addWindowToApplication(final TWindow window) {
- if (debugEvents) {
- System.err.printf("Handle event: %s\n", event);
+ // Do not add menu windows to the window list.
+ if (window instanceof TMenu) {
+ return;
}
- // Special application-wide events -----------------------------------
-
- // Peek at the mouse position
- if (event instanceof TMouseEvent) {
- // See if we need to switch focus to another window or the menu
- checkSwitchFocus((TMouseEvent) event);
+ // Do not add the desktop to the window list.
+ if (window instanceof TDesktop) {
+ return;
}
- // Handle menu events
- if ((activeMenu != null) && !(event instanceof TCommandEvent)) {
- TMenu menu = activeMenu;
-
- if (event instanceof TMouseEvent) {
- TMouseEvent mouse = (TMouseEvent) event;
-
- while (subMenus.size() > 0) {
- TMenu subMenu = subMenus.get(subMenus.size() - 1);
- if (subMenu.mouseWouldHit(mouse)) {
- break;
- }
- if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION)
- && (!mouse.getMouse1())
- && (!mouse.getMouse2())
- && (!mouse.getMouse3())
- && (!mouse.getMouseWheelUp())
- && (!mouse.getMouseWheelDown())
- ) {
- break;
- }
- // We navigated away from a sub-menu, so close it
- closeSubMenu();
- }
+ synchronized (windows) {
+ if (windows.contains(window)) {
+ throw new IllegalArgumentException("Window " + window +
+ " is already in window list");
+ }
- // Convert the mouse relative x/y to menu coordinates
- assert (mouse.getX() == mouse.getAbsoluteX());
- assert (mouse.getY() == mouse.getAbsoluteY());
- if (subMenus.size() > 0) {
- menu = subMenus.get(subMenus.size() - 1);
+ // Whatever window might be moving/dragging, stop it now.
+ for (TWindow w: windows) {
+ if (w.inMovements()) {
+ w.stopMovements();
}
- mouse.setX(mouse.getX() - menu.getX());
- mouse.setY(mouse.getY() - menu.getY());
}
- menu.handleEvent(event);
- return;
- }
-
- if (event instanceof TKeypressEvent) {
- TKeypressEvent keypress = (TKeypressEvent) event;
- // See if this key matches an accelerator, and if so dispatch the
- // menu event.
- TKeypress keypressLowercase = keypress.getKey().toLowerCase();
- TMenuItem item = null;
- synchronized (accelerators) {
- item = accelerators.get(keypressLowercase);
+ // Do not allow a modal window to spawn a non-modal window. If a
+ // modal window is active, then this window will become modal
+ // too.
+ if (modalWindowActive()) {
+ window.flags |= TWindow.MODAL;
+ window.flags |= TWindow.CENTERED;
+ window.hidden = false;
}
- if (item != null) {
- // Let the menu item dispatch
- item.dispatch();
- return;
- } else {
- // Handle the keypress
- if (onKeypress(keypress)) {
- return;
+ if (window.isShown()) {
+ for (TWindow w: windows) {
+ if (w.isActive()) {
+ w.setActive(false);
+ w.onUnfocus();
+ }
+ w.setZ(w.getZ() + 1);
}
}
- }
-
- if (event instanceof TCommandEvent) {
- if (onCommand((TCommandEvent) event)) {
- return;
+ windows.add(window);
+ if (window.isShown()) {
+ activeWindow = window;
+ activeWindow.setZ(0);
+ activeWindow.setActive(true);
+ activeWindow.onFocus();
}
- }
- if (event instanceof TMenuEvent) {
- if (onMenu((TMenuEvent) event)) {
- return;
+ if (((window.flags & TWindow.CENTERED) == 0)
+ && ((window.flags & TWindow.ABSOLUTEXY) == 0)
+ && (smartWindowPlacement == true)
+ && (!(window instanceof TDesktop))
+ ) {
+
+ doSmartPlacement(window);
}
}
- // Dispatch events to the active window -------------------------------
- for (TWindow window: windows) {
- if (window.getActive()) {
- if (event instanceof TMouseEvent) {
- TMouseEvent mouse = (TMouseEvent) event;
- // Convert the mouse relative x/y to window coordinates
- assert (mouse.getX() == mouse.getAbsoluteX());
- assert (mouse.getY() == mouse.getAbsoluteY());
- mouse.setX(mouse.getX() - window.getX());
- mouse.setY(mouse.getY() - window.getY());
- }
- if (debugEvents) {
- System.err.printf("TApplication dispatch event: %s\n",
- event);
- }
- window.handleEvent(event);
- break;
- }
+ // Desktop cannot be active over any other window.
+ if (desktop != null) {
+ desktop.setActive(false);
}
}
- /**
- * Dispatch one event to the appropriate widget or application-level
- * event handler. This is the secondary event handler used by certain
- * special dialogs (currently TMessageBox and TFileOpenBox).
- *
- * @param event the input event to consume
- * @see #primaryHandleEvent(TInputEvent event)
- */
- private void secondaryHandleEvent(final TInputEvent event) {
- secondaryEventReceiver.handleEvent(event);
- }
/**
- * Enable a widget to override the primary event thread.
+ * Check if there is a system-modal window on top.
*
- * @param widget widget that will receive events
+ * @return true if the active window is modal
*/
- public final void enableSecondaryEventReceiver(final TWidget widget) {
- assert (secondaryEventReceiver == null);
- assert (secondaryEventHandler == null);
- assert (widget instanceof TMessageBox);
- secondaryEventReceiver = widget;
- secondaryEventHandler = new WidgetEventHandler(this, false);
- (new Thread(secondaryEventHandler)).start();
+ private boolean modalWindowActive() {
+ if (windows.size() == 0) {
+ return false;
+ }
- // Refresh
- repaint = true;
+ for (TWindow w: windows) {
+ if (w.isModal()) {
+ return true;
+ }
+ }
+
+ return false;
}
/**
- * Yield to the secondary thread.
+ * Check if there is a window with overridden menu flag on top.
+ *
+ * @return true if the active window is overriding the menu
*/
- public final void yield() {
- assert (secondaryEventReceiver != null);
- // This is where we handoff the event handler lock from the primary
- // to secondary thread. We unlock here, and in a future loop the
- // secondary thread locks again. When it gives up, we have the
- // single lock back.
- boolean oldLock = unlockHandleEvent();
- assert (oldLock == true);
-
- // System.err.printf("YIELD\n");
-
- while (secondaryEventReceiver != null) {
- synchronized (primaryEventHandler) {
- try {
- primaryEventHandler.wait();
- } catch (InterruptedException e) {
- // SQUASH
- }
+ private boolean overrideMenuWindowActive() {
+ if (activeWindow != null) {
+ if (activeWindow.hasOverriddenMenu()) {
+ return true;
}
}
- // System.err.printf("EXIT YIELD\n");
+ return false;
}
/**
- * Do stuff when there is no user input.
+ * Close all open windows.
*/
- private void doIdle() {
- if (debugThreads) {
- System.err.printf("doIdle()\n");
- }
-
- // Now run any timers that have timed out
- Date now = new Date();
- List<TTimer> keepTimers = new LinkedList<TTimer>();
- for (TTimer timer: timers) {
- if (timer.getNextTick().getTime() <= now.getTime()) {
- timer.tick();
- if (timer.recurring) {
- keepTimers.add(timer);
- }
- } else {
- keepTimers.add(timer);
- }
+ private void closeAllWindows() {
+ // Don't do anything if we are in the menu
+ if (activeMenu != null) {
+ return;
}
- timers = keepTimers;
-
- // Call onIdle's
- for (TWindow window: windows) {
- window.onIdle();
+ while (windows.size() > 0) {
+ closeWindow(windows.get(0));
}
}
/**
- * Get the amount of time I can sleep before missing a Timer tick.
- *
- * @param timeout = initial (maximum) timeout in millis
- * @return number of milliseconds between now and the next timer event
+ * Re-layout the open windows as non-overlapping tiles. This produces
+ * almost the same results as Turbo Pascal 7.0's IDE.
*/
- protected long getSleepTime(final long timeout) {
- Date now = new Date();
- long nowTime = now.getTime();
- long sleepTime = timeout;
- for (TTimer timer: timers) {
- long nextTickTime = timer.getNextTick().getTime();
- if (nextTickTime < nowTime) {
- return 0;
+ private void tileWindows() {
+ synchronized (windows) {
+ // Don't do anything if we are in the menu
+ if (activeMenu != null) {
+ return;
+ }
+ int z = windows.size();
+ if (z == 0) {
+ return;
+ }
+ int a = 0;
+ int b = 0;
+ a = (int)(Math.sqrt(z));
+ int c = 0;
+ while (c < a) {
+ b = (z - c) / a;
+ if (((a * b) + c) == z) {
+ break;
+ }
+ c++;
}
+ assert (a > 0);
+ assert (b > 0);
+ assert (c < a);
+ int newWidth = (getScreen().getWidth() / a);
+ int newHeight1 = ((getScreen().getHeight() - 1) / b);
+ int newHeight2 = ((getScreen().getHeight() - 1) / (b + c));
+
+ List<TWindow> sorted = new ArrayList<TWindow>(windows);
+ Collections.sort(sorted);
+ Collections.reverse(sorted);
+ for (int i = 0; i < sorted.size(); i++) {
+ int logicalX = i / b;
+ int logicalY = i % b;
+ if (i >= ((a - 1) * b)) {
+ logicalX = a - 1;
+ logicalY = i - ((a - 1) * b);
+ }
- long timeDifference = nextTickTime - nowTime;
- if (timeDifference < sleepTime) {
- sleepTime = timeDifference;
+ TWindow w = sorted.get(i);
+ int oldWidth = w.getWidth();
+ int oldHeight = w.getHeight();
+
+ w.setX(logicalX * newWidth);
+ w.setWidth(newWidth);
+ if (i >= ((a - 1) * b)) {
+ w.setY((logicalY * newHeight2) + 1);
+ w.setHeight(newHeight2);
+ } else {
+ w.setY((logicalY * newHeight1) + 1);
+ w.setHeight(newHeight1);
+ }
+ if ((w.getWidth() != oldWidth)
+ || (w.getHeight() != oldHeight)
+ ) {
+ w.onResize(new TResizeEvent(TResizeEvent.Type.WIDGET,
+ w.getWidth(), w.getHeight()));
+ }
}
}
- assert (sleepTime >= 0);
- assert (sleepTime <= timeout);
- return sleepTime;
}
/**
- * Close window. Note that the window's destructor is NOT called by this
- * method, instead the GC is assumed to do the cleanup.
- *
- * @param window the window to remove
+ * Re-layout the open windows as overlapping cascaded windows.
*/
- public final void closeWindow(final TWindow window) {
+ private void cascadeWindows() {
synchronized (windows) {
- int z = window.getZ();
- window.setZ(-1);
- Collections.sort(windows);
- windows.remove(0);
- TWindow activeWindow = null;
- for (TWindow w: windows) {
- if (w.getZ() > z) {
- w.setZ(w.getZ() - 1);
- if (w.getZ() == 0) {
- w.setActive(true);
- assert (activeWindow == null);
- activeWindow = w;
- } else {
- w.setActive(false);
- }
+ // Don't do anything if we are in the menu
+ if (activeMenu != null) {
+ return;
+ }
+ int x = 0;
+ int y = 1;
+ List<TWindow> sorted = new ArrayList<TWindow>(windows);
+ Collections.sort(sorted);
+ Collections.reverse(sorted);
+ for (TWindow window: sorted) {
+ window.setX(x);
+ window.setY(y);
+ x++;
+ y++;
+ if (x > getScreen().getWidth()) {
+ x = 0;
+ }
+ if (y >= getScreen().getHeight()) {
+ y = 1;
}
}
}
-
- // Perform window cleanup
- window.onClose();
-
- // Refresh screen
- repaint = true;
-
- // Check if we are closing a TMessageBox or similar
- if (secondaryEventReceiver != null) {
- assert (secondaryEventHandler != null);
-
- // Do not send events to the secondaryEventReceiver anymore, the
- // window is closed.
- secondaryEventReceiver = null;
-
- // Wake the secondary thread, it will wake the primary as it
- // exits.
- synchronized (secondaryEventHandler) {
- secondaryEventHandler.notify();
- }
- }
}
/**
- * Switch to the next window.
+ * Place a window to minimize its overlap with other windows.
*
- * @param forward if true, then switch to the next window in the list,
- * otherwise switch to the previous window in the list
+ * @param window the window to place
*/
- public final void switchWindow(final boolean forward) {
- // Only switch if there are multiple windows
- if (windows.size() < 2) {
- return;
+ public final void doSmartPlacement(final TWindow window) {
+ // This is a pretty dumb algorithm, but seems to work. The hardest
+ // part is computing these "overlap" values seeking a minimum average
+ // overlap.
+ int xMin = 0;
+ int yMin = desktopTop;
+ int xMax = getScreen().getWidth() - window.getWidth() + 1;
+ int yMax = desktopBottom - window.getHeight() + 1;
+ if (xMax < xMin) {
+ xMax = xMin;
+ }
+ if (yMax < yMin) {
+ yMax = yMin;
}
- synchronized (windows) {
+ if ((xMin == xMax) && (yMin == yMax)) {
+ // No work to do, bail out.
+ return;
+ }
- // Swap z/active between active window and the next in the list
- int activeWindowI = -1;
- for (int i = 0; i < windows.size(); i++) {
- if (windows.get(i).getActive()) {
- activeWindowI = i;
- break;
+ // Compute the overlap matrix without the new window.
+ int width = getScreen().getWidth();
+ int height = getScreen().getHeight();
+ int overlapMatrix[][] = new int[width][height];
+ for (TWindow w: windows) {
+ if (window == w) {
+ continue;
+ }
+ for (int x = w.getX(); x < w.getX() + w.getWidth(); x++) {
+ if (x < 0) {
+ continue;
+ }
+ if (x >= width) {
+ continue;
+ }
+ for (int y = w.getY(); y < w.getY() + w.getHeight(); y++) {
+ if (y < 0) {
+ continue;
+ }
+ if (y >= height) {
+ continue;
+ }
+ overlapMatrix[x][y]++;
}
}
- assert (activeWindowI >= 0);
+ }
- // Do not switch if a window is modal
- if (windows.get(activeWindowI).isModal()) {
- return;
+ long oldOverlapTotal = 0;
+ long oldOverlapN = 0;
+ for (int x = 0; x < width; x++) {
+ for (int y = 0; y < height; y++) {
+ oldOverlapTotal += overlapMatrix[x][y];
+ if (overlapMatrix[x][y] > 0) {
+ oldOverlapN++;
+ }
}
+ }
- int nextWindowI;
- if (forward) {
- nextWindowI = (activeWindowI + 1) % windows.size();
- } else {
- if (activeWindowI == 0) {
- nextWindowI = windows.size() - 1;
+
+ double oldOverlapAvg = (double) oldOverlapTotal / (double) oldOverlapN;
+ boolean first = true;
+ int windowX = window.getX();
+ int windowY = window.getY();
+
+ // For each possible (x, y) position for the new window, compute a
+ // new overlap matrix.
+ for (int x = xMin; x < xMax; x++) {
+ for (int y = yMin; y < yMax; y++) {
+
+ // Start with the matrix minus this window.
+ int newMatrix[][] = new int[width][height];
+ for (int mx = 0; mx < width; mx++) {
+ for (int my = 0; my < height; my++) {
+ newMatrix[mx][my] = overlapMatrix[mx][my];
+ }
+ }
+
+ // Add this window's values to the new overlap matrix.
+ long newOverlapTotal = 0;
+ long newOverlapN = 0;
+ // Start by adding each new cell.
+ for (int wx = x; wx < x + window.getWidth(); wx++) {
+ if (wx >= width) {
+ continue;
+ }
+ for (int wy = y; wy < y + window.getHeight(); wy++) {
+ if (wy >= height) {
+ continue;
+ }
+ newMatrix[wx][wy]++;
+ }
+ }
+ // Now figure out the new value for total coverage.
+ for (int mx = 0; mx < width; mx++) {
+ for (int my = 0; my < height; my++) {
+ newOverlapTotal += newMatrix[x][y];
+ if (newMatrix[mx][my] > 0) {
+ newOverlapN++;
+ }
+ }
+ }
+ double newOverlapAvg = (double) newOverlapTotal / (double) newOverlapN;
+
+ if (first) {
+ // First time: just record what we got.
+ oldOverlapAvg = newOverlapAvg;
+ first = false;
} else {
- nextWindowI = activeWindowI - 1;
+ // All other times: pick a new best (x, y) and save the
+ // overlap value.
+ if (newOverlapAvg < oldOverlapAvg) {
+ windowX = x;
+ windowY = y;
+ oldOverlapAvg = newOverlapAvg;
+ }
}
- }
- windows.get(activeWindowI).setActive(false);
- windows.get(activeWindowI).setZ(windows.get(nextWindowI).getZ());
- windows.get(nextWindowI).setZ(0);
- windows.get(nextWindowI).setActive(true);
- } // synchronized (windows)
+ } // for (int x = xMin; x < xMax; x++)
- // Refresh
- repaint = true;
- }
+ } // for (int y = yMin; y < yMax; y++)
- /**
- * Add a window to my window list and make it active.
- *
- * @param window new window to add
- */
- public final void addWindow(final TWindow window) {
- synchronized (windows) {
- // Do not allow a modal window to spawn a non-modal window
- if ((windows.size() > 0) && (windows.get(0).isModal())) {
- assert (window.isModal());
- }
- for (TWindow w: windows) {
- w.setActive(false);
- w.setZ(w.getZ() + 1);
- }
- windows.add(window);
- window.setActive(true);
- window.setZ(0);
- }
+ // Finally, set the window's new coordinates.
+ window.setX(windowX);
+ window.setY(windowY);
}
- /**
- * Check if there is a system-modal window on top.
- *
- * @return true if the active window is modal
- */
- private boolean modalWindowActive() {
- if (windows.size() == 0) {
- return false;
- }
- return windows.get(windows.size() - 1).isModal();
- }
+ // ------------------------------------------------------------------------
+ // TMenu management -------------------------------------------------------
+ // ------------------------------------------------------------------------
/**
* Check if a mouse event would hit either the active menu or any open
*/
private boolean mouseOnMenu(final TMouseEvent mouse) {
assert (activeMenu != null);
- List<TMenu> menus = new LinkedList<TMenu>(subMenus);
+ List<TMenu> menus = new ArrayList<TMenu>(subMenus);
Collections.reverse(menus);
for (TMenu menu: menus) {
if (menu.mouseWouldHit(mouse)) {
// See if they hit the menu bar
if ((mouse.getType() == TMouseEvent.Type.MOUSE_DOWN)
- && (mouse.getMouse1())
+ && (mouse.isMouse1())
&& (!modalWindowActive())
+ && (!overrideMenuWindowActive())
&& (mouse.getAbsoluteY() == 0)
+ && (hideMenuBar == false)
) {
for (TMenu menu: subMenus) {
// They selected the menu, go activate it
for (TMenu menu: menus) {
- if ((mouse.getAbsoluteX() >= menu.getX())
- && (mouse.getAbsoluteX() < menu.getX()
- + menu.getTitle().length() + 2)
+ if ((mouse.getAbsoluteX() >= menu.getTitleX())
+ && (mouse.getAbsoluteX() < menu.getTitleX()
+ + StringUtils.width(menu.getTitle()) + 2)
) {
menu.setActive(true);
activeMenu = menu;
menu.setActive(false);
}
}
- repaint = true;
return;
}
// See if they hit the menu bar
if ((mouse.getType() == TMouseEvent.Type.MOUSE_MOTION)
- && (mouse.getMouse1())
+ && (mouse.isMouse1())
&& (activeMenu != null)
&& (mouse.getAbsoluteY() == 0)
+ && (hideMenuBar == false)
) {
TMenu oldMenu = activeMenu;
// See if we should switch menus
for (TMenu menu: menus) {
- if ((mouse.getAbsoluteX() >= menu.getX())
- && (mouse.getAbsoluteX() < menu.getX()
- + menu.getTitle().length() + 2)
+ if ((mouse.getAbsoluteX() >= menu.getTitleX())
+ && (mouse.getAbsoluteX() < menu.getTitleX()
+ + StringUtils.width(menu.getTitle()) + 2)
) {
menu.setActive(true);
activeMenu = menu;
// They switched menus
oldMenu.setActive(false);
}
- repaint = true;
return;
}
- // Only switch if there are multiple windows
- if (windows.size() < 2) {
+ // If a menu is still active, don't switch windows
+ if (activeMenu != null) {
return;
}
- // Switch on the upclick
- if (mouse.getType() != TMouseEvent.Type.MOUSE_UP) {
+ // Only switch if there are multiple windows
+ if (windows.size() < 2) {
return;
}
- synchronized (windows) {
- Collections.sort(windows);
- if (windows.get(0).isModal()) {
- // Modal windows don't switch
- return;
- }
+ if (((focusFollowsMouse == true)
+ && (mouse.getType() == TMouseEvent.Type.MOUSE_MOTION))
+ || (mouse.getType() == TMouseEvent.Type.MOUSE_DOWN)
+ ) {
+ synchronized (windows) {
+ Collections.sort(windows);
+ if (windows.get(0).isModal()) {
+ // Modal windows don't switch
+ return;
+ }
- for (TWindow window: windows) {
- assert (!window.isModal());
- if (window.mouseWouldHit(mouse)) {
- if (window == windows.get(0)) {
- // Clicked on the same window, nothing to do
- return;
+ for (TWindow window: windows) {
+ assert (!window.isModal());
+
+ if (window.isHidden()) {
+ assert (!window.isActive());
+ continue;
}
- // We will be switching to another window
- assert (windows.get(0).getActive());
- assert (!window.getActive());
- windows.get(0).setActive(false);
- windows.get(0).setZ(window.getZ());
- window.setZ(0);
- window.setActive(true);
- repaint = true;
- return;
+ if (window.mouseWouldHit(mouse)) {
+ if (window == windows.get(0)) {
+ // Clicked on the same window, nothing to do
+ assert (window.isActive());
+ return;
+ }
+
+ // We will be switching to another window
+ assert (windows.get(0).isActive());
+ assert (windows.get(0) == activeWindow);
+ assert (!window.isActive());
+ if (activeWindow != null) {
+ activeWindow.onUnfocus();
+ activeWindow.setActive(false);
+ activeWindow.setZ(window.getZ());
+ }
+ activeWindow = window;
+ window.setZ(0);
+ window.setActive(true);
+ window.onFocus();
+ return;
+ }
}
}
+
+ // Clicked on the background, nothing to do
+ return;
}
- // Clicked on the background, nothing to do
+ // Nothing to do: this isn't a mouse up, or focus isn't following
+ // mouse.
return;
}
}
subMenus.clear();
}
- repaint = true;
+ }
+
+ /**
+ * Get a (shallow) copy of the menu list.
+ *
+ * @return a copy of the menu list
+ */
+ public final List<TMenu> getAllMenus() {
+ return new ArrayList<TMenu>(menus);
+ }
+
+ /**
+ * Add a top-level menu to the list.
+ *
+ * @param menu the menu to add
+ * @throws IllegalArgumentException if the menu is already used in
+ * another TApplication
+ */
+ public final void addMenu(final TMenu menu) {
+ if ((menu.getApplication() != null)
+ && (menu.getApplication() != this)
+ ) {
+ throw new IllegalArgumentException("Menu " + menu + " is already " +
+ "part of application " + menu.getApplication());
+ }
+ closeMenu();
+ menus.add(menu);
+ recomputeMenuX();
+ }
+
+ /**
+ * Remove a top-level menu from the list.
+ *
+ * @param menu the menu to remove
+ * @throws IllegalArgumentException if the menu is already used in
+ * another TApplication
+ */
+ public final void removeMenu(final TMenu menu) {
+ if ((menu.getApplication() != null)
+ && (menu.getApplication() != this)
+ ) {
+ throw new IllegalArgumentException("Menu " + menu + " is already " +
+ "part of application " + menu.getApplication());
+ }
+ closeMenu();
+ menus.remove(menu);
+ recomputeMenuX();
}
/**
assert (item != null);
item.setActive(false);
subMenus.remove(subMenus.size() - 1);
- repaint = true;
}
/**
*/
public final void switchMenu(final boolean forward) {
assert (activeMenu != null);
+ assert (hideMenuBar == false);
for (TMenu menu: subMenus) {
menu.setActive(false);
if (forward) {
if (i < menus.size() - 1) {
i++;
+ } else {
+ i = 0;
}
} else {
if (i > 0) {
i--;
+ } else {
+ i = menus.size() - 1;
}
}
activeMenu.setActive(false);
activeMenu = menus.get(i);
activeMenu.setActive(true);
- repaint = true;
return;
}
}
}
/**
- * Method that TApplication subclasses can override to handle menu or
- * posted command events.
+ * Add a menu item to the global list. If it has a keyboard accelerator,
+ * that will be added the global hash.
*
- * @param command command event
- * @return if true, this event was consumed
+ * @param item the menu item
*/
- protected boolean onCommand(final TCommandEvent command) {
- // Default: handle cmExit
- if (command.equals(cmExit)) {
- if (messageBox("Confirmation", "Exit application?",
- TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) {
- quit = true;
- }
- repaint = true;
- return true;
- }
-
- if (command.equals(cmShell)) {
- openTerminal(0, 0, TWindow.RESIZABLE);
- repaint = true;
- return true;
- }
+ public final void addMenuItem(final TMenuItem item) {
+ menuItems.add(item);
- if (command.equals(cmTile)) {
- tileWindows();
- repaint = true;
- return true;
- }
- if (command.equals(cmCascade)) {
- cascadeWindows();
- repaint = true;
- return true;
- }
- if (command.equals(cmCloseAll)) {
- closeAllWindows();
- repaint = true;
- return true;
+ TKeypress key = item.getKey();
+ if (key != null) {
+ synchronized (accelerators) {
+ assert (accelerators.get(key) == null);
+ accelerators.put(key.toLowerCase(), item);
+ }
}
-
- return false;
}
/**
- * Method that TApplication subclasses can override to handle menu
- * events.
+ * Disable one menu item.
*
- * @param menu menu event
- * @return if true, this event was consumed
+ * @param id the menu item ID
*/
- protected boolean onMenu(final TMenuEvent menu) {
-
- // Default: handle MID_EXIT
- if (menu.getId() == TMenu.MID_EXIT) {
- if (messageBox("Confirmation", "Exit application?",
- TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) {
- quit = true;
+ public final void disableMenuItem(final int id) {
+ for (TMenuItem item: menuItems) {
+ if (item.getId() == id) {
+ item.setEnabled(false);
}
- // System.err.printf("onMenu MID_EXIT result: quit = %s\n", quit);
- repaint = true;
- return true;
- }
-
- if (menu.getId() == TMenu.MID_SHELL) {
- openTerminal(0, 0, TWindow.RESIZABLE);
- repaint = true;
- return true;
}
+ }
- if (menu.getId() == TMenu.MID_TILE) {
- tileWindows();
- repaint = true;
- return true;
- }
- if (menu.getId() == TMenu.MID_CASCADE) {
- cascadeWindows();
- repaint = true;
- return true;
- }
- if (menu.getId() == TMenu.MID_CLOSE_ALL) {
- closeAllWindows();
- repaint = true;
- return true;
+ /**
+ * Disable the range of menu items with ID's between lower and upper,
+ * inclusive.
+ *
+ * @param lower the lowest menu item ID
+ * @param upper the highest menu item ID
+ */
+ public final void disableMenuItems(final int lower, final int upper) {
+ for (TMenuItem item: menuItems) {
+ if ((item.getId() >= lower) && (item.getId() <= upper)) {
+ item.setEnabled(false);
+ item.getParent().activate(0);
+ }
}
- return false;
}
/**
- * Method that TApplication subclasses can override to handle keystrokes.
+ * Enable one menu item.
*
- * @param keypress keystroke event
- * @return if true, this event was consumed
+ * @param id the menu item ID
*/
- protected boolean onKeypress(final TKeypressEvent keypress) {
- // Default: only menu shortcuts
-
- // Process Alt-F, Alt-E, etc. menu shortcut keys
- if (!keypress.getKey().getIsKey()
- && keypress.getKey().getAlt()
- && !keypress.getKey().getCtrl()
- && (activeMenu == null)
- ) {
-
- assert (subMenus.size() == 0);
-
- for (TMenu menu: menus) {
- if (Character.toLowerCase(menu.getMnemonic().getShortcut())
- == Character.toLowerCase(keypress.getKey().getCh())
- ) {
- activeMenu = menu;
- menu.setActive(true);
- repaint = true;
- return true;
- }
+ public final void enableMenuItem(final int id) {
+ for (TMenuItem item: menuItems) {
+ if (item.getId() == id) {
+ item.setEnabled(true);
+ item.getParent().activate(0);
}
}
+ }
- return false;
+ /**
+ * Enable the range of menu items with ID's between lower and upper,
+ * inclusive.
+ *
+ * @param lower the lowest menu item ID
+ * @param upper the highest menu item ID
+ */
+ public final void enableMenuItems(final int lower, final int upper) {
+ for (TMenuItem item: menuItems) {
+ if ((item.getId() >= lower) && (item.getId() <= upper)) {
+ item.setEnabled(true);
+ item.getParent().activate(0);
+ }
+ }
}
/**
- * Add a keyboard accelerator to the global hash.
+ * Get the menu item associated with this ID.
*
- * @param item menu item this accelerator relates to
- * @param keypress keypress that will dispatch a TMenuEvent
+ * @param id the menu item ID
+ * @return the menu item, or null if not found
*/
- public final void addAccelerator(final TMenuItem item,
- final TKeypress keypress) {
-
- // System.err.printf("addAccelerator: key %s item %s\n", keypress, item);
-
- synchronized (accelerators) {
- assert (accelerators.get(keypress) == null);
- accelerators.put(keypress, item);
+ public final TMenuItem getMenuItem(final int id) {
+ for (TMenuItem item: menuItems) {
+ if (item.getId() == id) {
+ return item;
+ }
}
+ return null;
}
/**
int x = 0;
for (TMenu menu: menus) {
menu.setX(x);
- x += menu.getTitle().length() + 2;
+ menu.setTitleX(x);
+ x += StringUtils.width(menu.getTitle()) + 2;
+
+ // Don't let the menu window exceed the screen width
+ int rightEdge = menu.getX() + menu.getWidth();
+ if (rightEdge > getScreen().getWidth()) {
+ menu.setX(getScreen().getWidth() - menu.getWidth());
+ }
+ }
+ }
+
+ /**
+ * Post an event to process.
+ *
+ * @param event new event to add to the queue
+ */
+ public final void postEvent(final TInputEvent event) {
+ synchronized (this) {
+ synchronized (fillEventQueue) {
+ fillEventQueue.add(event);
+ }
+ if (debugThreads) {
+ System.err.println(System.currentTimeMillis() + " " +
+ Thread.currentThread() + " postEvent() wake up main");
+ }
+ this.notify();
}
}
*
* @param event new event to add to the queue
*/
- public final void addMenuEvent(final TInputEvent event) {
- synchronized (fillEventQueue) {
- fillEventQueue.add(event);
+ public final void postMenuEvent(final TInputEvent event) {
+ synchronized (this) {
+ synchronized (fillEventQueue) {
+ fillEventQueue.add(event);
+ }
+ if (debugThreads) {
+ System.err.println(System.currentTimeMillis() + " " +
+ Thread.currentThread() + " postMenuEvent() wake up main");
+ }
+ closeMenu();
+ this.notify();
}
- closeMenu();
}
/**
return menu;
}
+ /**
+ * Convenience function to add a default tools (hamburger) menu.
+ *
+ * @return the new menu
+ */
+ public final TMenu addToolMenu() {
+ TMenu toolMenu = addMenu(i18n.getString("toolMenuTitle"));
+ toolMenu.addDefaultItem(TMenu.MID_REPAINT);
+ toolMenu.addDefaultItem(TMenu.MID_VIEW_IMAGE);
+ toolMenu.addDefaultItem(TMenu.MID_SCREEN_OPTIONS);
+ TStatusBar toolStatusBar = toolMenu.newStatusBar(i18n.
+ getString("toolMenuStatus"));
+ toolStatusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help"));
+ return toolMenu;
+ }
+
/**
* Convenience function to add a default "File" menu.
*
* @return the new menu
*/
public final TMenu addFileMenu() {
- TMenu fileMenu = addMenu("&File");
- fileMenu.addDefaultItem(TMenu.MID_OPEN_FILE);
- fileMenu.addSeparator();
+ TMenu fileMenu = addMenu(i18n.getString("fileMenuTitle"));
fileMenu.addDefaultItem(TMenu.MID_SHELL);
+ fileMenu.addSeparator();
fileMenu.addDefaultItem(TMenu.MID_EXIT);
+ TStatusBar statusBar = fileMenu.newStatusBar(i18n.
+ getString("fileMenuStatus"));
+ statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help"));
return fileMenu;
}
* @return the new menu
*/
public final TMenu addEditMenu() {
- TMenu editMenu = addMenu("&Edit");
+ TMenu editMenu = addMenu(i18n.getString("editMenuTitle"));
editMenu.addDefaultItem(TMenu.MID_CUT);
editMenu.addDefaultItem(TMenu.MID_COPY);
editMenu.addDefaultItem(TMenu.MID_PASTE);
editMenu.addDefaultItem(TMenu.MID_CLEAR);
+ TStatusBar statusBar = editMenu.newStatusBar(i18n.
+ getString("editMenuStatus"));
+ statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help"));
return editMenu;
}
* @return the new menu
*/
public final TMenu addWindowMenu() {
- TMenu windowMenu = addMenu("&Window");
+ TMenu windowMenu = addMenu(i18n.getString("windowMenuTitle"));
windowMenu.addDefaultItem(TMenu.MID_TILE);
windowMenu.addDefaultItem(TMenu.MID_CASCADE);
windowMenu.addDefaultItem(TMenu.MID_CLOSE_ALL);
windowMenu.addDefaultItem(TMenu.MID_WINDOW_NEXT);
windowMenu.addDefaultItem(TMenu.MID_WINDOW_PREVIOUS);
windowMenu.addDefaultItem(TMenu.MID_WINDOW_CLOSE);
+ TStatusBar statusBar = windowMenu.newStatusBar(i18n.
+ getString("windowMenuStatus"));
+ statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help"));
return windowMenu;
}
/**
- * Close all open windows.
+ * Convenience function to add a default "Help" menu.
+ *
+ * @return the new menu
+ */
+ public final TMenu addHelpMenu() {
+ TMenu helpMenu = addMenu(i18n.getString("helpMenuTitle"));
+ helpMenu.addDefaultItem(TMenu.MID_HELP_CONTENTS);
+ helpMenu.addDefaultItem(TMenu.MID_HELP_INDEX);
+ helpMenu.addDefaultItem(TMenu.MID_HELP_SEARCH);
+ helpMenu.addDefaultItem(TMenu.MID_HELP_PREVIOUS);
+ helpMenu.addDefaultItem(TMenu.MID_HELP_HELP);
+ helpMenu.addDefaultItem(TMenu.MID_HELP_ACTIVE_FILE);
+ helpMenu.addSeparator();
+ helpMenu.addDefaultItem(TMenu.MID_ABOUT);
+ TStatusBar statusBar = helpMenu.newStatusBar(i18n.
+ getString("helpMenuStatus"));
+ statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help"));
+ return helpMenu;
+ }
+
+ /**
+ * Convenience function to add a default "Table" menu.
+ *
+ * @return the new menu
*/
- private void closeAllWindows() {
- // Don't do anything if we are in the menu
- if (activeMenu != null) {
- return;
- }
-
- synchronized (windows) {
- for (TWindow window: windows) {
- closeWindow(window);
- }
- }
+ public final TMenu addTableMenu() {
+ TMenu tableMenu = addMenu(i18n.getString("tableMenuTitle"));
+ tableMenu.addDefaultItem(TMenu.MID_TABLE_RENAME_COLUMN, false);
+ tableMenu.addDefaultItem(TMenu.MID_TABLE_RENAME_ROW, false);
+ tableMenu.addSeparator();
+
+ TSubMenu viewMenu = tableMenu.addSubMenu(i18n.
+ getString("tableSubMenuView"));
+ viewMenu.addDefaultItem(TMenu.MID_TABLE_VIEW_ROW_LABELS, false);
+ viewMenu.addDefaultItem(TMenu.MID_TABLE_VIEW_COLUMN_LABELS, false);
+ viewMenu.addDefaultItem(TMenu.MID_TABLE_VIEW_HIGHLIGHT_ROW, false);
+ viewMenu.addDefaultItem(TMenu.MID_TABLE_VIEW_HIGHLIGHT_COLUMN, false);
+
+ TSubMenu borderMenu = tableMenu.addSubMenu(i18n.
+ getString("tableSubMenuBorders"));
+ borderMenu.addDefaultItem(TMenu.MID_TABLE_BORDER_NONE, false);
+ borderMenu.addDefaultItem(TMenu.MID_TABLE_BORDER_ALL, false);
+ borderMenu.addDefaultItem(TMenu.MID_TABLE_BORDER_CELL_NONE, false);
+ borderMenu.addDefaultItem(TMenu.MID_TABLE_BORDER_CELL_ALL, false);
+ borderMenu.addDefaultItem(TMenu.MID_TABLE_BORDER_RIGHT, false);
+ borderMenu.addDefaultItem(TMenu.MID_TABLE_BORDER_LEFT, false);
+ borderMenu.addDefaultItem(TMenu.MID_TABLE_BORDER_TOP, false);
+ borderMenu.addDefaultItem(TMenu.MID_TABLE_BORDER_BOTTOM, false);
+ borderMenu.addDefaultItem(TMenu.MID_TABLE_BORDER_DOUBLE_BOTTOM, false);
+ borderMenu.addDefaultItem(TMenu.MID_TABLE_BORDER_THICK_BOTTOM, false);
+ TSubMenu deleteMenu = tableMenu.addSubMenu(i18n.
+ getString("tableSubMenuDelete"));
+ deleteMenu.addDefaultItem(TMenu.MID_TABLE_DELETE_LEFT, false);
+ deleteMenu.addDefaultItem(TMenu.MID_TABLE_DELETE_UP, false);
+ deleteMenu.addDefaultItem(TMenu.MID_TABLE_DELETE_ROW, false);
+ deleteMenu.addDefaultItem(TMenu.MID_TABLE_DELETE_COLUMN, false);
+ TSubMenu insertMenu = tableMenu.addSubMenu(i18n.
+ getString("tableSubMenuInsert"));
+ insertMenu.addDefaultItem(TMenu.MID_TABLE_INSERT_LEFT, false);
+ insertMenu.addDefaultItem(TMenu.MID_TABLE_INSERT_RIGHT, false);
+ insertMenu.addDefaultItem(TMenu.MID_TABLE_INSERT_ABOVE, false);
+ insertMenu.addDefaultItem(TMenu.MID_TABLE_INSERT_BELOW, false);
+ TSubMenu columnMenu = tableMenu.addSubMenu(i18n.
+ getString("tableSubMenuColumn"));
+ columnMenu.addDefaultItem(TMenu.MID_TABLE_COLUMN_NARROW, false);
+ columnMenu.addDefaultItem(TMenu.MID_TABLE_COLUMN_WIDEN, false);
+ TSubMenu fileMenu = tableMenu.addSubMenu(i18n.
+ getString("tableSubMenuFile"));
+ fileMenu.addDefaultItem(TMenu.MID_TABLE_FILE_OPEN_CSV, false);
+ fileMenu.addDefaultItem(TMenu.MID_TABLE_FILE_SAVE_CSV, false);
+ fileMenu.addDefaultItem(TMenu.MID_TABLE_FILE_SAVE_TEXT, false);
+
+ TStatusBar statusBar = tableMenu.newStatusBar(i18n.
+ getString("tableMenuStatus"));
+ statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help"));
+ return tableMenu;
}
+ // ------------------------------------------------------------------------
+ // TTimer management ------------------------------------------------------
+ // ------------------------------------------------------------------------
+
/**
- * Re-layout the open windows as non-overlapping tiles. This produces
- * almost the same results as Turbo Pascal 7.0's IDE.
+ * Get the amount of time I can sleep before missing a Timer tick.
+ *
+ * @param timeout = initial (maximum) timeout in millis
+ * @return number of milliseconds between now and the next timer event
*/
- private void tileWindows() {
- synchronized (windows) {
- // Don't do anything if we are in the menu
- if (activeMenu != null) {
- return;
- }
- int z = windows.size();
- if (z == 0) {
- return;
- }
- int a = 0;
- int b = 0;
- a = (int)(Math.sqrt(z));
- int c = 0;
- while (c < a) {
- b = (z - c) / a;
- if (((a * b) + c) == z) {
- break;
- }
- c++;
- }
- assert (a > 0);
- assert (b > 0);
- assert (c < a);
- int newWidth = (getScreen().getWidth() / a);
- int newHeight1 = ((getScreen().getHeight() - 1) / b);
- int newHeight2 = ((getScreen().getHeight() - 1) / (b + c));
+ private long getSleepTime(final long timeout) {
+ Date now = new Date();
+ long nowTime = now.getTime();
+ long sleepTime = timeout;
- List<TWindow> sorted = new LinkedList<TWindow>(windows);
- Collections.sort(sorted);
- Collections.reverse(sorted);
- for (int i = 0; i < sorted.size(); i++) {
- int logicalX = i / b;
- int logicalY = i % b;
- if (i >= ((a - 1) * b)) {
- logicalX = a - 1;
- logicalY = i - ((a - 1) * b);
+ synchronized (timers) {
+ for (TTimer timer: timers) {
+ long nextTickTime = timer.getNextTick().getTime();
+ if (nextTickTime < nowTime) {
+ return 0;
}
- TWindow w = sorted.get(i);
- w.setX(logicalX * newWidth);
- w.setWidth(newWidth);
- if (i >= ((a - 1) * b)) {
- w.setY((logicalY * newHeight2) + 1);
- w.setHeight(newHeight2);
- } else {
- w.setY((logicalY * newHeight1) + 1);
- w.setHeight(newHeight1);
+ long timeDifference = nextTickTime - nowTime;
+ if (timeDifference < sleepTime) {
+ sleepTime = timeDifference;
}
}
}
- }
- /**
- * Re-layout the open windows as overlapping cascaded windows.
- */
- private void cascadeWindows() {
- synchronized (windows) {
- // Don't do anything if we are in the menu
- if (activeMenu != null) {
- return;
- }
- int x = 0;
- int y = 1;
- List<TWindow> sorted = new LinkedList<TWindow>(windows);
- Collections.sort(sorted);
- Collections.reverse(sorted);
- for (TWindow window: sorted) {
- window.setX(x);
- window.setY(y);
- x++;
- y++;
- if (x > getScreen().getWidth()) {
- x = 0;
- }
- if (y >= getScreen().getHeight()) {
- y = 1;
- }
- }
- }
+ assert (sleepTime >= 0);
+ assert (sleepTime <= timeout);
+ return sleepTime;
}
/**
}
}
+ // ------------------------------------------------------------------------
+ // Other TWindow constructors ---------------------------------------------
+ // ------------------------------------------------------------------------
+
/**
* Convenience function to spawn a message box.
*
return new TInputBox(this, title, caption, text);
}
+ /**
+ * Convenience function to spawn an input box.
+ *
+ * @param title window title, will be centered along the top border
+ * @param caption message to display. Use embedded newlines to get a
+ * multi-line box.
+ * @param text initial text to seed the field with
+ * @param type one of the Type constants. Default is Type.OK.
+ * @return the new input box
+ */
+ public final TInputBox inputBox(final String title, final String caption,
+ final String text, final TInputBox.Type type) {
+
+ return new TInputBox(this, title, caption, text, type);
+ }
+
/**
* Convenience function to open a terminal window.
*
return openTerminal(x, y, TWindow.RESIZABLE);
}
+ /**
+ * Convenience function to open a terminal window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param closeOnExit if true, close the window when the command exits
+ * @return the terminal new window
+ */
+ public final TTerminalWindow openTerminal(final int x, final int y,
+ final boolean closeOnExit) {
+
+ return openTerminal(x, y, TWindow.RESIZABLE, closeOnExit);
+ }
+
/**
* Convenience function to open a terminal window.
*
return new TTerminalWindow(this, x, y, flags);
}
+ /**
+ * Convenience function to open a terminal window.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param flags mask of CENTERED, MODAL, or RESIZABLE
+ * @param closeOnExit if true, close the window when the command exits
+ * @return the terminal new window
+ */
+ public final TTerminalWindow openTerminal(final int x, final int y,
+ final int flags, final boolean closeOnExit) {
+
+ return new TTerminalWindow(this, x, y, flags, closeOnExit);
+ }
+
+ /**
+ * Convenience function to open a terminal window and execute a custom
+ * command line inside it.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param commandLine the command line to execute
+ * @return the terminal new window
+ */
+ public final TTerminalWindow openTerminal(final int x, final int y,
+ final String commandLine) {
+
+ return openTerminal(x, y, TWindow.RESIZABLE, commandLine);
+ }
+
+ /**
+ * Convenience function to open a terminal window and execute a custom
+ * command line inside it.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param commandLine the command line to execute
+ * @param closeOnExit if true, close the window when the command exits
+ * @return the terminal new window
+ */
+ public final TTerminalWindow openTerminal(final int x, final int y,
+ final String commandLine, final boolean closeOnExit) {
+
+ return openTerminal(x, y, TWindow.RESIZABLE, commandLine, closeOnExit);
+ }
+
+ /**
+ * Convenience function to open a terminal window and execute a custom
+ * command line inside it.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param flags mask of CENTERED, MODAL, or RESIZABLE
+ * @param command the command line to execute
+ * @return the terminal new window
+ */
+ public final TTerminalWindow openTerminal(final int x, final int y,
+ final int flags, final String [] command) {
+
+ return new TTerminalWindow(this, x, y, flags, command);
+ }
+
+ /**
+ * Convenience function to open a terminal window and execute a custom
+ * command line inside it.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param flags mask of CENTERED, MODAL, or RESIZABLE
+ * @param command the command line to execute
+ * @param closeOnExit if true, close the window when the command exits
+ * @return the terminal new window
+ */
+ public final TTerminalWindow openTerminal(final int x, final int y,
+ final int flags, final String [] command, final boolean closeOnExit) {
+
+ return new TTerminalWindow(this, x, y, flags, command, closeOnExit);
+ }
+
+ /**
+ * Convenience function to open a terminal window and execute a custom
+ * command line inside it.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param flags mask of CENTERED, MODAL, or RESIZABLE
+ * @param commandLine the command line to execute
+ * @return the terminal new window
+ */
+ public final TTerminalWindow openTerminal(final int x, final int y,
+ final int flags, final String commandLine) {
+
+ return new TTerminalWindow(this, x, y, flags, commandLine.split("\\s+"));
+ }
+
+ /**
+ * Convenience function to open a terminal window and execute a custom
+ * command line inside it.
+ *
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param flags mask of CENTERED, MODAL, or RESIZABLE
+ * @param commandLine the command line to execute
+ * @param closeOnExit if true, close the window when the command exits
+ * @return the terminal new window
+ */
+ public final TTerminalWindow openTerminal(final int x, final int y,
+ final int flags, final String commandLine, final boolean closeOnExit) {
+
+ return new TTerminalWindow(this, x, y, flags, commandLine.split("\\s+"),
+ closeOnExit);
+ }
+
+ /**
+ * Convenience function to spawn an file open box.
+ *
+ * @param path path of selected file
+ * @return the result of the new file open box
+ * @throws IOException if java.io operation throws
+ */
+ public final String fileOpenBox(final String path) throws IOException {
+
+ TFileOpenBox box = new TFileOpenBox(this, path, TFileOpenBox.Type.OPEN);
+ return box.getFilename();
+ }
+
+ /**
+ * Convenience function to spawn an file open box.
+ *
+ * @param path path of selected file
+ * @param type one of the Type constants
+ * @return the result of the new file open box
+ * @throws IOException if java.io operation throws
+ */
+ public final String fileOpenBox(final String path,
+ final TFileOpenBox.Type type) throws IOException {
+
+ TFileOpenBox box = new TFileOpenBox(this, path, type);
+ return box.getFilename();
+ }
+
+ /**
+ * Convenience function to spawn a file open box.
+ *
+ * @param path path of selected file
+ * @param type one of the Type constants
+ * @param filter a string that files must match to be displayed
+ * @return the result of the new file open box
+ * @throws IOException of a java.io operation throws
+ */
+ public final String fileOpenBox(final String path,
+ final TFileOpenBox.Type type, final String filter) throws IOException {
+
+ ArrayList<String> filters = new ArrayList<String>();
+ filters.add(filter);
+
+ TFileOpenBox box = new TFileOpenBox(this, path, type, filters);
+ return box.getFilename();
+ }
+
+ /**
+ * Convenience function to spawn a file open box.
+ *
+ * @param path path of selected file
+ * @param type one of the Type constants
+ * @param filters a list of strings that files must match to be displayed
+ * @return the result of the new file open box
+ * @throws IOException of a java.io operation throws
+ */
+ public final String fileOpenBox(final String path,
+ final TFileOpenBox.Type type,
+ final List<String> filters) throws IOException {
+
+ TFileOpenBox box = new TFileOpenBox(this, path, type, filters);
+ return box.getFilename();
+ }
+
+ /**
+ * Convenience function to create a new window and make it active.
+ * Window will be located at (0, 0).
+ *
+ * @param title window title, will be centered along the top border
+ * @param width width of window
+ * @param height height of window
+ * @return the new window
+ */
+ public final TWindow addWindow(final String title, final int width,
+ final int height) {
+
+ TWindow window = new TWindow(this, title, 0, 0, width, height);
+ return window;
+ }
+
+ /**
+ * Convenience function to create a new window and make it active.
+ * Window will be located at (0, 0).
+ *
+ * @param title window title, will be centered along the top border
+ * @param width width of window
+ * @param height height of window
+ * @param flags bitmask of RESIZABLE, CENTERED, or MODAL
+ * @return the new window
+ */
+ public final TWindow addWindow(final String title,
+ final int width, final int height, final int flags) {
+
+ TWindow window = new TWindow(this, title, 0, 0, width, height, flags);
+ return window;
+ }
+
+ /**
+ * Convenience function to create a new window and make it active.
+ *
+ * @param title window title, will be centered along the top border
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of window
+ * @param height height of window
+ * @return the new window
+ */
+ public final TWindow addWindow(final String title,
+ final int x, final int y, final int width, final int height) {
+
+ TWindow window = new TWindow(this, title, x, y, width, height);
+ return window;
+ }
+
+ /**
+ * Convenience function to create a new window and make it active.
+ *
+ * @param title window title, will be centered along the top border
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param width width of window
+ * @param height height of window
+ * @param flags mask of RESIZABLE, CENTERED, or MODAL
+ * @return the new window
+ */
+ public final TWindow addWindow(final String title,
+ final int x, final int y, final int width, final int height,
+ final int flags) {
+
+ TWindow window = new TWindow(this, title, x, y, width, height, flags);
+ return window;
+ }
+
}
git://git.nikiroo.be / nikiroo-utils.git / blobdiff