*/
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.Collections;
import java.util.Date;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
+import java.util.ResourceBundle;
import jexer.bits.CellAttributes;
import jexer.bits.ColorTheme;
-import jexer.bits.GraphicsChars;
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.Screen;
+import jexer.backend.MultiBackend;
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 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 implements Runnable {
+ /**
+ * Translated strings.
+ */
+ private static final ResourceBundle i18n = ResourceBundle.getBundle(TApplication.class.getName());
+
// ------------------------------------------------------------------------
// Public constants -------------------------------------------------------
// ------------------------------------------------------------------------
* The consumer loop.
*/
public void run() {
+ boolean first = true;
// Loop forever
while (!application.quit) {
}
}
- synchronized (this) {
- if (debugThreads) {
- System.err.printf("%s %s sleep\n", this,
- primary ? "primary" : "secondary");
- }
+ long timeout = 0;
+ if (first) {
+ first = false;
+ } else {
+ timeout = application.getSleepTime(1000);
+ }
- this.wait();
+ if (timeout == 0) {
+ // A timer needs to fire, break out.
+ break;
+ }
- if (debugThreads) {
- System.err.printf("%s %s AWAKE\n", this,
- primary ? "primary" : "secondary");
- }
+ if (debugThreads) {
+ System.err.printf("%d %s %s sleep %d millis\n",
+ System.currentTimeMillis(), this,
+ primary ? "primary" : "secondary", timeout);
+ }
+
+ synchronized (this) {
+ this.wait(timeout);
+ }
+
+ if (debugThreads) {
+ System.err.printf("%d %s %s AWAKE\n",
+ System.currentTimeMillis(), 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().
- synchronized (application.primaryEventHandler) {
- application.primaryEventHandler.notify();
- }
- application.secondaryEventHandler = null;
- throw new RuntimeException(
- "secondary exited at wrong time");
+ 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();
}
- break;
+ application.secondaryEventHandler = null;
+ throw new RuntimeException("secondary exited " +
+ "at wrong time");
}
+ break;
} catch (InterruptedException e) {
// SQUASH
}
- }
-
- // Wait for drawAll() or doIdle() to be done, then handle the
- // events.
- boolean oldLock = lockHandleEvent();
- assert (oldLock == false);
+ } // while (!application.quit)
// Pull all events off the queue
for (;;) {
}
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 {
// All done!
return;
}
- } // for (;;)
- // 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();
+ // Fire timers, update screen.
+ if (!quit) {
+ application.finishEventProcessing();
}
} // while (true) (main runnable loop)
*/
private volatile TWidget secondaryEventReceiver;
- /**
- * Spinlock for the primary and secondary event handlers.
- * WidgetEventHandler.run() is responsible for setting this value.
- */
- private volatile boolean insideHandleEvent = false;
-
/**
* Wake the sleeping active event handler.
*/
private void wakeEventHandler() {
+ if (!started) {
+ return;
+ }
+
if (secondaryEventHandler != null) {
synchronized (secondaryEventHandler) {
secondaryEventHandler.notify();
}
}
- /**
- * Set the insideHandleEvent flag to true. lockoutEventHandlers() will
- * spin indefinitely until unlockHandleEvent() is called.
- *
- * @return the old value of insideHandleEvent
- */
- 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) {
- try {
- // Backoff so that the backend can finish its work.
- Thread.sleep(5);
- } catch (InterruptedException e) {
- // SQUASH
- }
- }
-
- oldValue = insideHandleEvent;
- insideHandleEvent = true;
- }
-
- if (debugThreads) {
- System.err.printf(" ***\n");
- }
- return oldValue;
- }
-
- /**
- * Set the insideHandleEvent flag to false. lockoutEventHandlers() will
- * spin indefinitely until unlockHandleEvent() is called.
- *
- * @return the old value of insideHandleEvent
- */
- private boolean unlockHandleEvent() {
- if (debugThreads) {
- System.err.printf(" << unlockHandleEvent(): oldValue %s\n",
- insideHandleEvent);
- }
- synchronized (this) {
- boolean oldValue = insideHandleEvent;
- insideHandleEvent = false;
- return oldValue;
- }
- }
-
- /**
- * Spinlock for the primary and secondary event handlers. When true, the
- * event handlers will spinlock wait before calling handleEvent().
- */
- private volatile boolean lockoutHandleEvent = false;
-
- /**
- * 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.
- */
- 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) {
- try {
- // Backoff so that the event handler can finish its work.
- Thread.sleep(1);
- } catch (InterruptedException e) {
- // SQUASH
- }
- }
-
- if (debugThreads) {
- System.err.printf(" XXX\n");
- }
- }
-
- /**
- * 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.
- */
- private void startEventHandlers() {
- if (debugThreads) {
- System.err.printf("<< startEventHandlers()\n");
- }
- lockoutHandleEvent = false;
- }
-
// ------------------------------------------------------------------------
// TApplication attributes ------------------------------------------------
// ------------------------------------------------------------------------
* @return the Screen
*/
public final Screen getScreen() {
- return backend.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();
+ }
}
/**
*/
private int oldMouseY;
+ /**
+ * The last mouse up click time, used to determine if this is a mouse
+ * double-click.
+ */
+ private long lastMouseUpTime;
+
+ /**
+ * The amount of millis between mouse up events to assume a double-click.
+ */
+ private long doubleClickTime = 250;
+
/**
* Event queue that is filled by run().
*/
*/
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;
+ /**
+ * Repaint the screen on the next update.
+ */
+ public void doRepaint() {
+ repaint = true;
+ wakeEventHandler();
+ }
+
/**
* 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
}
/**
- * Get the list of windows.
+ * Get a (shallow) copy of the window list.
*
* @return a copy of the list of windows for this application
*/
return result;
}
+ /**
+ * If true, focus follows mouse: windows automatically raised if the
+ * mouse passes over them.
+ */
+ private boolean focusFollowsMouse = false;
+
+ /**
+ * 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;
+ }
+
// ------------------------------------------------------------------------
// General behavior -------------------------------------------------------
// ------------------------------------------------------------------------
* Display the about dialog.
*/
protected void showAboutDialog() {
- messageBox("About", "Jexer Version " +
- this.getClass().getPackage().getImplementationVersion(),
+ messageBox(i18n.getString("aboutDialogTitle"),
+ MessageFormat.format(i18n.getString("aboutDialogText"),
+ this.getClass().getPackage().getImplementationVersion()),
TMessageBox.Type.OK);
}
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:
*/
public TApplication(final Backend backend) {
this.backend = backend;
+ backend.setListener(this);
TApplicationImpl();
}
menuItems = new ArrayList<TMenuItem>();
desktop = new TDesktop(this);
- // Setup the main consumer thread
- primaryEventHandler = new WidgetEventHandler(this, true);
- (new Thread(primaryEventHandler)).start();
+ // 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();
+ }
+ }
+ );
+ }
+ }
}
// ------------------------------------------------------------------------
// Screen refresh loop ----------------------------------------------------
// ------------------------------------------------------------------------
+ /**
+ * 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();
+ }
+
+ if (debugThreads) {
+ System.err.printf(System.currentTimeMillis() + " " +
+ Thread.currentThread() + " finishEventProcessing() END\n");
+ }
+ }
+
/**
* Invert the cell color at a position. This is used to track the mouse.
*
*/
private void invertCell(final int x, final int y) {
if (debugThreads) {
- System.err.printf("invertCell() %d %d\n", x, y);
+ System.err.printf("%d %s invertCell() %d %d\n",
+ System.currentTimeMillis(), Thread.currentThread(), x, y);
}
CellAttributes attr = getScreen().getAttrXY(x, y);
attr.setForeColor(attr.getForeColor().invert());
* Draw everything.
*/
private void drawAll() {
+ boolean menuIsActive = false;
+
if (debugThreads) {
- System.err.printf("drawAll() enter\n");
+ System.err.printf("%d %s drawAll() enter\n",
+ System.currentTimeMillis(), Thread.currentThread());
}
if (!repaint) {
if (debugThreads) {
- System.err.printf("drawAll() !repaint\n");
+ System.err.printf("%d %s drawAll() !repaint\n",
+ System.currentTimeMillis(), Thread.currentThread());
}
synchronized (getScreen()) {
if ((oldMouseX != mouseX) || (oldMouseY != mouseY)) {
}
if (debugThreads) {
- System.err.printf("drawAll() REDRAW\n");
+ System.err.printf("%d %s drawAll() REDRAW\n",
+ System.currentTimeMillis(), Thread.currentThread());
}
// If true, the cursor is not visible
CellAttributes menuColor;
CellAttributes menuMnemonicColor;
if (menu.isActive()) {
+ menuIsActive = true;
menuColor = theme.getColor("tmenu.highlighted");
menuMnemonicColor = theme.getColor("tmenu.mnemonic.highlighted");
topLevel = menu;
oldMouseY = mouseY;
// Place the cursor if it is visible
- TWidget activeWidget = null;
- if (sorted.size() > 0) {
- activeWidget = sorted.get(sorted.size() - 1).getActiveChild();
- if (activeWidget.isCursorVisible()) {
- getScreen().putCursor(true, activeWidget.getCursorAbsoluteX(),
- activeWidget.getCursorAbsoluteY());
- cursor = true;
+ if (!menuIsActive) {
+ TWidget activeWidget = null;
+ if (sorted.size() > 0) {
+ activeWidget = sorted.get(sorted.size() - 1).getActiveChild();
+ if (activeWidget.isCursorVisible()) {
+ if ((activeWidget.getCursorAbsoluteY() < desktopBottom)
+ && (activeWidget.getCursorAbsoluteY() > desktopTop)
+ ) {
+ getScreen().putCursor(true,
+ activeWidget.getCursorAbsoluteX(),
+ activeWidget.getCursorAbsoluteY());
+ cursor = true;
+ } else {
+ getScreen().putCursor(false,
+ activeWidget.getCursorAbsoluteX(),
+ activeWidget.getCursorAbsoluteY());
+ cursor = false;
+ }
+ }
}
}
// Main loop --------------------------------------------------------------
// ------------------------------------------------------------------------
+ /**
+ * Force this application to exit.
+ */
+ public void exit() {
+ quit = true;
+ synchronized (this) {
+ this.notify();
+ }
+ }
+
/**
* Run this application until it exits.
*/
public void run() {
+ // Start the main consumer thread
+ primaryEventHandler = new WidgetEventHandler(this, true);
+ (new Thread(primaryEventHandler)).start();
+
+ started = true;
+
while (!quit) {
- // Timeout is in milliseconds, so default timeout after 1 second
- // of inactivity.
- long timeout = 1000;
-
- // If I've got no updates to render, wait for something from the
- // backend or a timer.
- if (!repaint
- && ((mouseX == oldMouseX) && (mouseY == oldMouseY))
- ) {
- // Never sleep longer than 50 millis. We need time for
- // windows with background tasks to update the display, and
- // still flip buffers reasonably quickly in
- // backend.flushPhysical().
- timeout = getSleepTime(50);
- }
-
- 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 {
- if (debugThreads) {
- System.err.println("sleep " + timeout + " millis");
+ synchronized (this) {
+ boolean doWait = false;
+
+ synchronized (fillEventQueue) {
+ if (fillEventQueue.size() == 0) {
+ doWait = true;
}
- synchronized (this) {
- this.wait(timeout);
+ }
+
+ if (doWait) {
+ // No I/O to dispatch, so wait until the backend
+ // provides new I/O.
+ try {
+ if (debugThreads) {
+ System.err.println(System.currentTimeMillis() +
+ " MAIN sleep");
+ }
+
+ this.wait();
+
+ if (debugThreads) {
+ System.err.println(System.currentTimeMillis() +
+ " MAIN AWAKE");
+ }
+ } catch (InterruptedException e) {
+ // I'm awake and don't care why, let's see what's
+ // going on out there.
}
- } catch (InterruptedException e) {
- // I'm awake and don't care why, let's see what's going
- // on out there.
}
- repaint = true;
- }
- // Prevent stepping on the primary or secondary event handler.
- stopEventHandlers();
+ } // synchronized (this)
- // Pull any pending I/O events
- backend.getEvents(fillEventQueue);
+ 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;
+ // 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);
}
- event = fillEventQueue.remove(0);
- metaHandleEvent(event);
}
// Wake a consumer thread if we have any pending events.
wakeEventHandler();
}
- // Process timers and call doIdle()'s
- doIdle();
-
- // Update the screen
- synchronized (getScreen()) {
- drawAll();
- }
-
- // Let the event handlers run again.
- startEventHandlers();
-
} // while (!quit)
// Shutdown the event consumer threads
if (event instanceof TCommandEvent) {
TCommandEvent command = (TCommandEvent) event;
if (command.getCmd().equals(cmAbort)) {
- quit = true;
+ exit();
return;
}
}
- // Screen resize
- if (event instanceof TResizeEvent) {
- TResizeEvent resize = (TResizeEvent) event;
- synchronized (getScreen()) {
- getScreen().setDimensions(resize.getWidth(),
- resize.getHeight());
- desktopBottom = getScreen().getHeight() - 1;
- mouseX = 0;
- mouseY = 0;
- oldMouseX = 0;
- oldMouseY = 0;
- }
- if (desktop != null) {
- desktop.setDimensions(0, 0, resize.getWidth(),
- resize.getHeight() - 1);
- }
- return;
- }
-
- // Peek at the mouse position
- if (event instanceof TMouseEvent) {
- TMouseEvent mouse = (TMouseEvent) event;
- synchronized (getScreen()) {
- if ((mouseX != mouse.getX()) || (mouseY != mouse.getY())) {
- oldMouseX = mouseX;
- oldMouseY = mouseY;
- mouseX = mouse.getX();
- mouseY = mouse.getY();
+ synchronized (drainEventQueue) {
+ // Screen resize
+ if (event instanceof TResizeEvent) {
+ TResizeEvent resize = (TResizeEvent) event;
+ synchronized (getScreen()) {
+ getScreen().setDimensions(resize.getWidth(),
+ resize.getHeight());
+ desktopBottom = getScreen().getHeight() - 1;
+ mouseX = 0;
+ mouseY = 0;
+ oldMouseX = 0;
+ oldMouseY = 0;
}
+ if (desktop != null) {
+ desktop.setDimensions(0, 0, resize.getWidth(),
+ resize.getHeight() - 1);
+ }
+
+ // Change menu edges if needed.
+ recomputeMenuX();
+
+ // We are dirty, redraw the screen.
+ doRepaint();
+ return;
}
- }
- // Put into the main queue
- drainEventQueue.add(event);
+ // Put into the main queue
+ drainEventQueue.add(event);
+ }
}
/**
if (debugEvents) {
System.err.printf("Handle event: %s\n", event);
}
+ TMouseEvent doubleClick = null;
// Special application-wide events -----------------------------------
// Peek at the mouse position
if (event instanceof TMouseEvent) {
+ 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_UP) {
+ 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);
}
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;
}
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);
+ }
}
}
}
* @see #primaryHandleEvent(TInputEvent event)
*/
private void secondaryHandleEvent(final TInputEvent event) {
+ TMouseEvent doubleClick = null;
+
+ // Peek at the mouse position
+ if (event instanceof TMouseEvent) {
+ 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_UP) {
+ 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);
+ if (doubleClick != null) {
+ secondaryEventReceiver.handleEvent(doubleClick);
+ }
}
/**
* @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();
}
*/
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);
while (secondaryEventReceiver != null) {
synchronized (primaryEventHandler) {
*/
private void doIdle() {
if (debugThreads) {
- System.err.printf("doIdle()\n");
+ System.err.printf(System.currentTimeMillis() + " " +
+ Thread.currentThread() + " 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) {
+ 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);
}
- } else {
- keepTimers.add(timer);
}
+ timers = keepTimers;
}
- timers = keepTimers;
// Call onIdle's
for (TWindow window: windows) {
}
/**
- * Return the number of windows that are visible.
+ * Return the number of windows that are showing.
*
- * @return the number of windows that are visible
+ * @return the number of windows that are showing on screen
*/
public final int shownWindowCount() {
int n = 0;
return n;
}
+ /**
+ * 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;
+ }
+
/**
* Check if a window instance is in this application's window list.
*
}
for (TWindow w: windows) {
if (w == window) {
+ assert (window.getApplication() == this);
return true;
}
}
return;
}
+ // Whatever window might be moving/dragging, stop it now.
+ for (TWindow w: windows) {
+ if (w.inMovements()) {
+ w.stopMovements();
+ }
+ }
+
assert (windows.size() > 0);
if (window.isHidden()) {
if (activeWindow != null) {
assert (activeWindow.getZ() == 0);
- activeWindow.onUnfocus();
activeWindow.setActive(false);
activeWindow.setZ(window.getZ());
+
+ // 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);
return;
}
+ // Whatever window might be moving/dragging, stop it now.
+ for (TWindow w: windows) {
+ if (w.inMovements()) {
+ w.stopMovements();
+ }
+ }
+
assert (windows.size() > 0);
if (!window.hidden) {
return;
}
+ // Whatever window might be moving/dragging, stop it now.
+ for (TWindow w: windows) {
+ if (w.inMovements()) {
+ w.stopMovements();
+ }
+ }
+
assert (windows.size() > 0);
if (window.hidden) {
}
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();
* otherwise switch to the previous window in the list
*/
public final void switchWindow(final boolean forward) {
- // Only switch if there are multiple windows
- if (windows.size() < 2) {
+ // Only switch if there are multiple visible windows
+ if (shownWindowCount() < 2) {
return;
}
assert (activeWindow != null);
synchronized (windows) {
+ // Whatever window might be moving/dragging, stop it now.
+ for (TWindow w: windows) {
+ if (w.inMovements()) {
+ w.stopMovements();
+ }
+ }
// Swap z/active between active window and the next in the list
int activeWindowI = -1;
return;
}
- int nextWindowI;
- if (forward) {
- nextWindowI = (activeWindowI + 1) % windows.size();
- } else {
- if (activeWindowI == 0) {
- nextWindowI = windows.size() - 1;
+ int nextWindowI = activeWindowI;
+ for (;;) {
+ if (forward) {
+ nextWindowI++;
+ nextWindowI %= windows.size();
} else {
- nextWindowI = activeWindowI - 1;
+ nextWindowI--;
+ if (nextWindowI < 0) {
+ nextWindowI = windows.size() - 1;
+ }
}
- }
- activateWindow(windows.get(nextWindowI));
+ if (windows.get(nextWindowI).isShown()) {
+ activateWindow(windows.get(nextWindowI));
+ break;
+ }
+ }
} // synchronized (windows)
}
}
synchronized (windows) {
+ // Whatever window might be moving/dragging, stop it now.
+ for (TWindow w: windows) {
+ if (w.inMovements()) {
+ w.stopMovements();
+ }
+ }
+
// 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.
continue;
}
for (int x = w.getX(); x < w.getX() + w.getWidth(); x++) {
- if (x == width) {
+ if (x < 0) {
+ continue;
+ }
+ if (x >= width) {
continue;
}
for (int y = w.getY(); y < w.getY() + w.getHeight(); y++) {
- if (y == height) {
+ if (y < 0) {
+ continue;
+ }
+ if (y >= height) {
continue;
}
overlapMatrix[x][y]++;
long newOverlapN = 0;
// Start by adding each new cell.
for (int wx = x; wx < x + window.getWidth(); wx++) {
- if (wx == width) {
+ if (wx >= width) {
continue;
}
for (int wy = y; wy < y + window.getHeight(); wy++) {
- if (wy == height) {
+ if (wy >= height) {
continue;
}
newMatrix[wx][wy]++;
// They selected the menu, go activate it
for (TMenu menu: menus) {
- if ((mouse.getAbsoluteX() >= menu.getX())
- && (mouse.getAbsoluteX() < menu.getX()
+ if ((mouse.getAbsoluteX() >= menu.getTitleX())
+ && (mouse.getAbsoluteX() < menu.getTitleX()
+ menu.getTitle().length() + 2)
) {
menu.setActive(true);
// See if we should switch menus
for (TMenu menu: menus) {
- if ((mouse.getAbsoluteX() >= menu.getX())
- && (mouse.getAbsoluteX() < menu.getX()
+ if ((mouse.getAbsoluteX() >= menu.getTitleX())
+ && (mouse.getAbsoluteX() < menu.getTitleX()
+ menu.getTitle().length() + 2)
) {
menu.setActive(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_UP)
+ ) {
+ synchronized (windows) {
+ Collections.sort(windows);
+ if (windows.get(0).isModal()) {
+ // Modal windows don't switch
+ return;
+ }
- for (TWindow window: windows) {
- assert (!window.isModal());
+ for (TWindow window: windows) {
+ assert (!window.isModal());
- if (window.isHidden()) {
- assert (!window.isActive());
- continue;
- }
+ if (window.isHidden()) {
+ assert (!window.isActive());
+ continue;
+ }
- if (window.mouseWouldHit(mouse)) {
- if (window == windows.get(0)) {
- // Clicked on the same window, nothing to do
- assert (window.isActive());
+ 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());
+ activeWindow.onUnfocus();
+ activeWindow.setActive(false);
+ activeWindow.setZ(window.getZ());
+ activeWindow = window;
+ window.setZ(0);
+ window.setActive(true);
+ window.onFocus();
return;
}
-
- // We will be switching to another window
- assert (windows.get(0).isActive());
- assert (windows.get(0) == activeWindow);
- assert (!window.isActive());
- 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;
}
}
}
+ /**
+ * Get a (shallow) copy of the menu list.
+ *
+ * @return a copy of the menu list
+ */
+ public final List<TMenu> getAllMenus() {
+ return new LinkedList<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();
+ }
+
/**
* Turn off a sub-menu.
*/
int x = 0;
for (TMenu menu: menus) {
menu.setX(x);
+ menu.setTitleX(x);
x += menu.getTitle().length() + 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 postMenuEvent(final TInputEvent event) {
- synchronized (fillEventQueue) {
- fillEventQueue.add(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 the new menu
*/
public final TMenu addFileMenu() {
- TMenu fileMenu = addMenu("&File");
+ TMenu fileMenu = addMenu(i18n.getString("fileMenuTitle"));
fileMenu.addDefaultItem(TMenu.MID_OPEN_FILE);
fileMenu.addSeparator();
fileMenu.addDefaultItem(TMenu.MID_SHELL);
fileMenu.addDefaultItem(TMenu.MID_EXIT);
- TStatusBar statusBar = fileMenu.newStatusBar("File-management " +
- "commands (Open, Save, Print, etc.)");
- statusBar.addShortcutKeypress(kbF1, cmHelp, "Help");
+ 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("Editor operations, " +
- "undo, and Clipboard access");
- statusBar.addShortcutKeypress(kbF1, cmHelp, "Help");
+ 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("Open, arrange, and " +
- "list windows");
- statusBar.addShortcutKeypress(kbF1, cmHelp, "Help");
+ TStatusBar statusBar = windowMenu.newStatusBar(i18n.
+ getString("windowMenuStatus"));
+ statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help"));
return windowMenu;
}
* @return the new menu
*/
public final TMenu addHelpMenu() {
- TMenu helpMenu = addMenu("&Help");
+ 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_ACTIVE_FILE);
helpMenu.addSeparator();
helpMenu.addDefaultItem(TMenu.MID_ABOUT);
- TStatusBar statusBar = helpMenu.newStatusBar("Access online help");
- statusBar.addShortcutKeypress(kbF1, cmHelp, "Help");
+ TStatusBar statusBar = helpMenu.newStatusBar(i18n.
+ getString("helpMenuStatus"));
+ statusBar.addShortcutKeypress(kbF1, cmHelp, i18n.getString("Help"));
return helpMenu;
}
protected boolean onCommand(final TCommandEvent command) {
// Default: handle cmExit
if (command.equals(cmExit)) {
- if (messageBox("Confirmation", "Exit application?",
+ if (messageBox(i18n.getString("exitDialogTitle"),
+ i18n.getString("exitDialogText"),
TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) {
- quit = true;
+ exit();
}
return true;
}
return true;
}
+ if (command.equals(cmMenu)) {
+ if (!modalWindowActive() && (activeMenu == null)) {
+ if (menus.size() > 0) {
+ menus.get(0).setActive(true);
+ activeMenu = menus.get(0);
+ return true;
+ }
+ }
+ }
+
return false;
}
// Default: handle MID_EXIT
if (menu.getId() == TMenu.MID_EXIT) {
- if (messageBox("Confirmation", "Exit application?",
+ if (messageBox(i18n.getString("exitDialogTitle"),
+ i18n.getString("exitDialogText"),
TMessageBox.Type.YESNO).getResult() == TMessageBox.Result.YES) {
- quit = true;
+ exit();
}
return true;
}
showAboutDialog();
return true;
}
+ if (menu.getId() == TMenu.MID_REPAINT) {
+ doRepaint();
+ return true;
+ }
return false;
}
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;
- }
- long timeDifference = nextTickTime - nowTime;
- if (timeDifference < sleepTime) {
- sleepTime = timeDifference;
+ synchronized (timers) {
+ for (TTimer timer: timers) {
+ long nextTickTime = timer.getNextTick().getTime();
+ if (nextTickTime < nowTime) {
+ return 0;
+ }
+
+ long timeDifference = nextTickTime - nowTime;
+ if (timeDifference < sleepTime) {
+ sleepTime = timeDifference;
+ }
}
}
+
assert (sleepTime >= 0);
assert (sleepTime <= timeout);
return sleepTime;
return new TTerminalWindow(this, x, y, flags);
}
+ /**
+ * 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 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);
+ }
+
/**
* Convenience function to spawn an file open box.
*
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).
/**
* Convenience function to create a new window and make it active.
*
- * @param application TApplication that manages this window
* @param title window title, will be centered along the top border
* @param x column relative to parent
* @param y row relative to parent
return window;
}
+ /**
+ * Convenience function to open a file in an editor window and make it
+ * active.
+ *
+ * @param file the file to open
+ * @throws IOException if a java.io operation throws
+ */
+ public final TEditorWindow addEditor(final File file) throws IOException {
+
+ TEditorWindow editor = new TEditorWindow(this, file);
+ return editor;
+ }
+
}
git://git.nikiroo.be / nikiroo-utils.git / blobdiff