X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2Fbackend%2FTWindowBackend.java;fp=src%2Fjexer%2Fbackend%2FTWindowBackend.java;h=0000000000000000000000000000000000000000;hb=36b0745bab5665306391440a531e1ee1c0625445;hp=f644b76ba4bf3d9e1642502ae330fc97146d1a5d;hpb=686d4da2d2ecc203d5f8b524225a4327777825be;p=fanfix.git diff --git a/src/jexer/backend/TWindowBackend.java b/src/jexer/backend/TWindowBackend.java deleted file mode 100644 index f644b76..0000000 --- a/src/jexer/backend/TWindowBackend.java +++ /dev/null @@ -1,543 +0,0 @@ -/* - * Jexer - Java Text User Interface - * - * The MIT License (MIT) - * - * Copyright (C) 2019 Kevin Lamonte - * - * 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: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * 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.backend; - -import java.util.ArrayList; -import java.util.List; - -import jexer.TApplication; -import jexer.TWindow; -import jexer.event.TCommandEvent; -import jexer.event.TInputEvent; -import jexer.event.TKeypressEvent; -import jexer.event.TMouseEvent; -import jexer.event.TResizeEvent; -import static jexer.TCommand.*; - -/** - * TWindowBackend uses a window in one TApplication to provide a backend for - * another TApplication. - * - * Note that TWindow has its own getScreen() and setTitle() functions. - * Clients in TWindowBackend's application won't be able to use it to get at - * the other application's screen. getOtherScreen() has been provided. - */ -public class TWindowBackend extends TWindow implements Backend { - - // ------------------------------------------------------------------------ - // Variables -------------------------------------------------------------- - // ------------------------------------------------------------------------ - - /** - * The listening object that run() wakes up on new input. - */ - private Object listener; - - /** - * The object to sync on in draw(). This is normally otherScreen, but it - * could also be a MultiScreen. - */ - private Object drawLock; - - /** - * The event queue, filled up by a thread reading on input. - */ - private List eventQueue; - - /** - * The screen this window is monitoring. - */ - private Screen otherScreen; - - /** - * The application associated with otherScreen. - */ - private TApplication otherApplication; - - /** - * The session information. - */ - private SessionInfo sessionInfo; - - /** - * OtherScreen provides a hook to notify TWindowBackend of screen size - * changes. - */ - private class OtherScreen extends LogicalScreen { - - /** - * The TWindowBackend to notify. - */ - private TWindowBackend window; - - /** - * Public constructor. - */ - public OtherScreen(final TWindowBackend window) { - this.window = window; - } - - /** - * Resize the physical screen to match the logical screen dimensions. - */ - @Override - public void resizeToScreen() { - window.setWidth(getWidth() + 2); - window.setHeight(getHeight() + 2); - } - - /** - * Get the width of a character cell in pixels. - * - * @return the width in pixels of a character cell - */ - @Override - public int getTextWidth() { - return window.getScreen().getTextWidth(); - } - - /** - * Get the height of a character cell in pixels. - * - * @return the height in pixels of a character cell - */ - @Override - public int getTextHeight() { - return window.getScreen().getTextHeight(); - } - - } - - - // ------------------------------------------------------------------------ - // Constructors ----------------------------------------------------------- - // ------------------------------------------------------------------------ - - /** - * Public constructor. Window will be located at (0, 0). - * - * @param listener the object this backend needs to wake up when new - * input comes in - * @param application TApplication that manages this window - * @param title window title, will be centered along the top border - * @param width width of window - * @param height height of window - */ - public TWindowBackend(final Object listener, - final TApplication application, final String title, - final int width, final int height) { - - super(application, title, width, height); - - this.listener = listener; - eventQueue = new ArrayList(); - sessionInfo = new TSessionInfo(width, height); - otherScreen = new OtherScreen(this); - otherScreen.setDimensions(width - 2, height - 2); - drawLock = otherScreen; - setHiddenMouse(true); - } - - /** - * Public constructor. Window will be located at (0, 0). - * - * @param listener the object this backend needs to wake up when new - * input comes in - * @param application TApplication that manages this window - * @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 - */ - public TWindowBackend(final Object listener, - final TApplication application, final String title, - final int width, final int height, final int flags) { - - super(application, title, width, height, flags); - - this.listener = listener; - eventQueue = new ArrayList(); - sessionInfo = new TSessionInfo(width, height); - otherScreen = new OtherScreen(this); - otherScreen.setDimensions(width - 2, height - 2); - drawLock = otherScreen; - setHiddenMouse(true); - } - - /** - * Public constructor. - * - * @param listener the object this backend needs to wake up when new - * input comes in - * @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 - * @param width width of window - * @param height height of window - */ - public TWindowBackend(final Object listener, - final TApplication application, final String title, - final int x, final int y, final int width, final int height) { - - super(application, title, x, y, width, height); - - this.listener = listener; - eventQueue = new ArrayList(); - sessionInfo = new TSessionInfo(width, height); - otherScreen = new OtherScreen(this); - otherScreen.setDimensions(width - 2, height - 2); - drawLock = otherScreen; - setHiddenMouse(true); - } - - /** - * Public constructor. - * - * @param listener the object this backend needs to wake up when new - * input comes in - * @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 - * @param width width of window - * @param height height of window - * @param flags mask of RESIZABLE, CENTERED, or MODAL - */ - public TWindowBackend(final Object listener, - final TApplication application, final String title, - final int x, final int y, final int width, final int height, - final int flags) { - - super(application, title, x, y, width, height, flags); - - this.listener = listener; - eventQueue = new ArrayList(); - sessionInfo = new TSessionInfo(width, height); - otherScreen = new OtherScreen(this); - otherScreen.setDimensions(width - 2, height - 2); - drawLock = otherScreen; - setHiddenMouse(true); - } - - // ------------------------------------------------------------------------ - // Event handlers --------------------------------------------------------- - // ------------------------------------------------------------------------ - - /** - * Handle window/screen resize events. - * - * @param event resize event - */ - @Override - public void onResize(final TResizeEvent event) { - if (event.getType() == TResizeEvent.Type.WIDGET) { - int newWidth = event.getWidth() - 2; - int newHeight = event.getHeight() - 2; - if ((newWidth != otherScreen.getWidth()) - || (newHeight != otherScreen.getHeight()) - ) { - // I was resized, notify the screen I am watching to match my - // new size. - synchronized (eventQueue) { - eventQueue.add(new TResizeEvent(TResizeEvent.Type.SCREEN, - newWidth, newHeight)); - } - synchronized (listener) { - listener.notifyAll(); - } - } - return; - } else { - super.onResize(event); - } - } - - /** - * Returns true if the mouse is currently in the otherScreen window. - * - * @param mouse mouse event - * @return true if mouse is currently in the otherScreen window. - */ - protected boolean mouseOnOtherScreen(final TMouseEvent mouse) { - if ((mouse.getY() >= 1) - && (mouse.getY() <= otherScreen.getHeight()) - && (mouse.getX() >= 1) - && (mouse.getX() <= otherScreen.getWidth()) - ) { - return true; - } - return false; - } - - /** - * Handle mouse button presses. - * - * @param mouse mouse button event - */ - @Override - public void onMouseDown(final TMouseEvent mouse) { - if (mouseOnOtherScreen(mouse)) { - TMouseEvent event = mouse.dup(); - event.setX(mouse.getX() - 1); - event.setY(mouse.getY() - 1); - event.setAbsoluteX(event.getX()); - event.setAbsoluteY(event.getY()); - synchronized (eventQueue) { - eventQueue.add(event); - } - synchronized (listener) { - listener.notifyAll(); - } - } - super.onMouseDown(mouse); - } - - /** - * Handle mouse button releases. - * - * @param mouse mouse button release event - */ - @Override - public void onMouseUp(final TMouseEvent mouse) { - if (mouseOnOtherScreen(mouse)) { - TMouseEvent event = mouse.dup(); - event.setX(mouse.getX() - 1); - event.setY(mouse.getY() - 1); - event.setAbsoluteX(event.getX()); - event.setAbsoluteY(event.getY()); - synchronized (eventQueue) { - eventQueue.add(event); - } - synchronized (listener) { - listener.notifyAll(); - } - } - super.onMouseUp(mouse); - } - - /** - * Handle mouse movements. - * - * @param mouse mouse motion event - */ - @Override - public void onMouseMotion(final TMouseEvent mouse) { - if (mouseOnOtherScreen(mouse)) { - TMouseEvent event = mouse.dup(); - event.setX(mouse.getX() - 1); - event.setY(mouse.getY() - 1); - event.setAbsoluteX(event.getX()); - event.setAbsoluteY(event.getY()); - synchronized (eventQueue) { - eventQueue.add(event); - } - synchronized (listener) { - listener.notifyAll(); - } - } - super.onMouseMotion(mouse); - } - - /** - * Handle keystrokes. - * - * @param keypress keystroke event - */ - @Override - public void onKeypress(final TKeypressEvent keypress) { - TKeypressEvent event = keypress.dup(); - synchronized (eventQueue) { - eventQueue.add(event); - } - synchronized (listener) { - listener.notifyAll(); - } - } - - // ------------------------------------------------------------------------ - // 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 their cursor is visible, draw that here too. - if (otherScreen.isCursorVisible()) { - setCursorX(otherScreen.getCursorX() + 1); - setCursorY(otherScreen.getCursorY() + 1); - setCursorVisible(true); - } else { - setCursorVisible(false); - } - } - - // Check if the other application has died. If so, unset hidden - // mouse. - if (otherApplication != null) { - if (otherApplication.isRunning() == false) { - setHiddenMouse(false); - } - } - - } - - /** - * Subclasses should override this method to cleanup resources. This is - * called by application.closeWindow(). - */ - @Override - public void onClose() { - synchronized (eventQueue) { - eventQueue.add(new TCommandEvent(cmBackendDisconnect)); - } - } - - // ------------------------------------------------------------------------ - // 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 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; - } - - /** - * Reload backend options from System properties. - */ - public void reloadOptions() { - // NOP - } - - // ------------------------------------------------------------------------ - // 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; - } - - /** - * Set the other screen's application. - * - * @param application the application driving the other screen - */ - public void setOtherApplication(final TApplication application) { - this.otherApplication = application; - } - -}