*/
public class TWindowBackend extends TWindow implements Backend {
+ // ------------------------------------------------------------------------
+ // Variables --------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
/**
* The listening object that run() wakes up on new input.
*/
*/
private SessionInfo sessionInfo;
- /**
- * Set the object to sync to in draw().
- *
- * @param drawLock the object to synchronize on
- */
- public void setDrawLock(final Object drawLock) {
- this.drawLock = drawLock;
- }
-
- /**
- * Getter for the other application's screen.
- *
- * @return the Screen
- */
- public Screen getOtherScreen() {
- return otherScreen;
- }
-
- /**
- * Getter for sessionInfo.
- *
- * @return the SessionInfo
- */
- public final SessionInfo getSessionInfo() {
- return sessionInfo;
- }
+ // ------------------------------------------------------------------------
+ // Constructors -----------------------------------------------------------
+ // ------------------------------------------------------------------------
/**
* Public constructor. Window will be located at (0, 0).
drawLock = otherScreen;
}
- /**
- * Subclasses must provide an implementation that syncs the logical
- * screen to the physical device.
- */
- public void flushScreen() {
- getApplication().doRepaint();
- }
-
- /**
- * Subclasses must provide an implementation to get keyboard, mouse, and
- * screen resize events.
- *
- * @param queue list to append new events to
- */
- public void getEvents(List<TInputEvent> queue) {
- synchronized (eventQueue) {
- if (eventQueue.size() > 0) {
- synchronized (queue) {
- queue.addAll(eventQueue);
- }
- eventQueue.clear();
- }
- }
- }
-
- /**
- * Subclasses must provide an implementation that closes sockets,
- * restores console, etc.
- */
- public void shutdown() {
- // NOP
- }
-
- /**
- * Set listener to a different Object.
- *
- * @param listener the new listening object that run() wakes up on new
- * input
- */
- public void setListener(final Object listener) {
- this.listener = listener;
- }
-
- /**
- * Draw the foreground colors grid.
- */
- @Override
- public void draw() {
-
- // Sync on other screen, so that we do not draw in the middle of
- // their screen update.
- synchronized (drawLock) {
- // Draw the box
- super.draw();
-
- // Draw every cell of the other screen
- for (int y = 0; y < otherScreen.getHeight(); y++) {
- for (int x = 0; x < otherScreen.getWidth(); x++) {
- putCharXY(x + 1, y + 1, otherScreen.getCharXY(x, y));
- }
- }
-
- // If the mouse pointer is over the other window, draw its
- // pointer again here. (Their TApplication drew it, then our
- // TApplication drew it again (undo-ing it), so now we draw it a
- // third time so that it is visible.)
- if ((otherMouseX != -1) && (otherMouseY != -1)) {
- CellAttributes attr = getAttrXY(otherMouseX, otherMouseY);
- attr.setForeColor(attr.getForeColor().invert());
- attr.setBackColor(attr.getBackColor().invert());
- putAttrXY(otherMouseX, otherMouseY, attr, false);
- }
-
- // If their cursor is visible, draw that here too.
- if (otherScreen.isCursorVisible()) {
- setCursorX(otherScreen.getCursorX() + 1);
- setCursorY(otherScreen.getCursorY() + 1);
- setCursorVisible(true);
- } else {
- setCursorVisible(false);
- }
- }
- }
-
- /**
- * Subclasses should override this method to cleanup resources. This is
- * called by application.closeWindow().
- */
- public void onClose() {
- // TODO: send a screen disconnect
- }
+ // ------------------------------------------------------------------------
+ // Event handlers ---------------------------------------------------------
+ // ------------------------------------------------------------------------
/**
* Returns true if the mouse is currently in the otherScreen window.
}
}
+ // ------------------------------------------------------------------------
+ // TWindow ----------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Draw the foreground colors grid.
+ */
+ @Override
+ public void draw() {
+
+ // Sync on other screen, so that we do not draw in the middle of
+ // their screen update.
+ synchronized (drawLock) {
+ // Draw the box
+ super.draw();
+
+ // Draw every cell of the other screen
+ for (int y = 0; y < otherScreen.getHeight(); y++) {
+ for (int x = 0; x < otherScreen.getWidth(); x++) {
+ putCharXY(x + 1, y + 1, otherScreen.getCharXY(x, y));
+ }
+ }
+
+ // If the mouse pointer is over the other window, draw its
+ // pointer again here. (Their TApplication drew it, then our
+ // TApplication drew it again (undo-ing it), so now we draw it a
+ // third time so that it is visible.)
+ if ((otherMouseX != -1) && (otherMouseY != -1)) {
+ CellAttributes attr = getAttrXY(otherMouseX, otherMouseY);
+ attr.setForeColor(attr.getForeColor().invert());
+ attr.setBackColor(attr.getBackColor().invert());
+ putAttrXY(otherMouseX, otherMouseY, attr, false);
+ }
+
+ // If their cursor is visible, draw that here too.
+ if (otherScreen.isCursorVisible()) {
+ setCursorX(otherScreen.getCursorX() + 1);
+ setCursorY(otherScreen.getCursorY() + 1);
+ setCursorVisible(true);
+ } else {
+ setCursorVisible(false);
+ }
+ }
+ }
+
+ /**
+ * Subclasses should override this method to cleanup resources. This is
+ * called by application.closeWindow().
+ */
+ @Override
+ public void onClose() {
+ // TODO: send a screen disconnect
+ }
+
+ // ------------------------------------------------------------------------
+ // Backend ----------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Getter for sessionInfo.
+ *
+ * @return the SessionInfo
+ */
+ public final SessionInfo getSessionInfo() {
+ return sessionInfo;
+ }
+
+ /**
+ * Subclasses must provide an implementation that syncs the logical
+ * screen to the physical device.
+ */
+ public void flushScreen() {
+ getApplication().doRepaint();
+ }
+
+ /**
+ * Check if there are events in the queue.
+ *
+ * @return if true, getEvents() has something to return to the application
+ */
+ public boolean hasEvents() {
+ synchronized (eventQueue) {
+ return (eventQueue.size() > 0);
+ }
+ }
+
+ /**
+ * Subclasses must provide an implementation to get keyboard, mouse, and
+ * screen resize events.
+ *
+ * @param queue list to append new events to
+ */
+ public void getEvents(List<TInputEvent> queue) {
+ synchronized (eventQueue) {
+ if (eventQueue.size() > 0) {
+ synchronized (queue) {
+ queue.addAll(eventQueue);
+ }
+ eventQueue.clear();
+ }
+ }
+ }
+
+ /**
+ * Subclasses must provide an implementation that closes sockets,
+ * restores console, etc.
+ */
+ public void shutdown() {
+ // NOP
+ }
+
+ /**
+ * Set listener to a different Object.
+ *
+ * @param listener the new listening object that run() wakes up on new
+ * input
+ */
+ public void setListener(final Object listener) {
+ this.listener = listener;
+ }
+
+ // ------------------------------------------------------------------------
+ // TWindowBackend ---------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Set the object to sync to in draw().
+ *
+ * @param drawLock the object to synchronize on
+ */
+ public void setDrawLock(final Object drawLock) {
+ this.drawLock = drawLock;
+ }
+
+ /**
+ * Getter for the other application's screen.
+ *
+ * @return the Screen
+ */
+ public Screen getOtherScreen() {
+ return otherScreen;
+ }
+
}