X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2FTApplication.java;h=971f6f8fa572ff243645975966243dc9ff25f598;hb=5dfd1c11947e9cb32fcac4772f1b16879d9ffe67;hp=1b928dd8442dae3e851a64e91bc8bbd8ee115b4f;hpb=a043164fd1cc1b38f03bb104f8b5240cdf5705c6;p=fanfix.git diff --git a/src/jexer/TApplication.java b/src/jexer/TApplication.java index 1b928dd..971f6f8 100644 --- a/src/jexer/TApplication.java +++ b/src/jexer/TApplication.java @@ -1,29 +1,27 @@ -/** +/* * 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) 2016 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 @@ -33,6 +31,8 @@ package jexer; 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.util.Collections; import java.util.Date; @@ -89,7 +89,7 @@ public class TApplication implements Runnable { ECMA48, /** - * Synonym for ECMA48 + * Synonym for ECMA48. */ XTERM } @@ -430,6 +430,11 @@ public class TApplication implements Runnable { */ private Map accelerators; + /** + * All menu items. + */ + private List menuItems; + /** * Windows and widgets pull colors from this ColorTheme. */ @@ -513,6 +518,10 @@ public class TApplication implements Runnable { // Fall through... case ECMA48: backend = new ECMA48Backend(this, null, null); + break; + default: + throw new IllegalArgumentException("Invalid backend type: " + + backendType); } TApplicationImpl(); } @@ -537,6 +546,40 @@ public class TApplication implements Runnable { 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. @@ -561,6 +604,7 @@ public class TApplication implements Runnable { subMenus = new LinkedList(); timers = new LinkedList(); accelerators = new HashMap(); + menuItems = new ArrayList(); // Setup the main consumer thread primaryEventHandler = new WidgetEventHandler(this, true); @@ -574,12 +618,13 @@ public class TApplication implements Runnable { * @param y row position */ private void invertCell(final int x, final int y) { - synchronized (getScreen()) { - CellAttributes attr = getScreen().getAttrXY(x, y); - attr.setForeColor(attr.getForeColor().invert()); - attr.setBackColor(attr.getBackColor().invert()); - getScreen().putAttrXY(x, y, attr, false); + if (debugThreads) { + System.err.printf("invertCell() %d %d\n", x, y); } + CellAttributes attr = getScreen().getAttrXY(x, y); + attr.setForeColor(attr.getForeColor().invert()); + attr.setBackColor(attr.getBackColor().invert()); + getScreen().putAttrXY(x, y, attr, false); } /** @@ -591,18 +636,23 @@ public class TApplication implements Runnable { } if (!repaint) { - if ((oldMouseX != mouseX) || (oldMouseY != mouseY)) { - // The only thing that has happened is the mouse moved. - // Clear the old position and draw the new position. - invertCell(oldMouseX, oldMouseY); - invertCell(mouseX, mouseY); - oldMouseX = mouseX; - oldMouseY = mouseY; + if (debugThreads) { + System.err.printf("drawAll() !repaint\n"); } - if (getScreen().isDirty()) { - backend.flushScreen(); + synchronized (getScreen()) { + if ((oldMouseX != mouseX) || (oldMouseY != mouseY)) { + // The only thing that has happened is the mouse moved. + // Clear the old position and draw the new position. + invertCell(oldMouseX, oldMouseY); + invertCell(mouseX, mouseY); + oldMouseX = mouseX; + oldMouseY = mouseY; + } + if (getScreen().isDirty()) { + backend.flushScreen(); + } + return; } - return; } if (debugThreads) { @@ -668,6 +718,8 @@ public class TApplication implements Runnable { // Draw the mouse pointer invertCell(mouseX, mouseY); + oldMouseX = mouseX; + oldMouseY = mouseY; // Place the cursor if it is visible TWidget activeWidget = null; @@ -686,7 +738,9 @@ public class TApplication implements Runnable { } // Flush the screen contents - backend.flushScreen(); + if (getScreen().isDirty()) { + backend.flushScreen(); + } repaint = false; } @@ -718,6 +772,9 @@ public class TApplication implements Runnable { // wait until either the backend or the consumer threads have // something to do. try { + if (debugThreads) { + System.err.println("sleep " + timeout + " millis"); + } synchronized (this) { this.wait(timeout); } @@ -908,20 +965,35 @@ public class TApplication implements Runnable { 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); + // 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; + for (TWindow window: windows) { + if (window.isActive()) { + if (window.isShortcutKeypress(keypress.getKey())) { + // We do not process this key, it will be passed to + // the window instead. + windowWillShortcut = true; + } + } } - if (item != null) { - if (item.isEnabled()) { - // Let the menu item dispatch - item.dispatch(); - return; + + if (!windowWillShortcut) { + 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; @@ -997,7 +1069,7 @@ public class TApplication implements Runnable { // secondary thread locks again. When it gives up, we have the // single lock back. boolean oldLock = unlockHandleEvent(); - assert (oldLock == true); + assert (oldLock); while (secondaryEventReceiver != null) { synchronized (primaryEventHandler) { @@ -1075,6 +1147,7 @@ public class TApplication implements Runnable { synchronized (windows) { int z = window.getZ(); window.setZ(-1); + window.onUnfocus(); Collections.sort(windows); windows.remove(0); TWindow activeWindow = null; @@ -1083,10 +1156,14 @@ public class TApplication implements Runnable { w.setZ(w.getZ() - 1); if (w.getZ() == 0) { w.setActive(true); + w.onFocus(); assert (activeWindow == null); activeWindow = w; } else { - w.setActive(false); + if (w.isActive()) { + w.setActive(false); + w.onUnfocus(); + } } } } @@ -1152,8 +1229,10 @@ public class TApplication implements Runnable { } windows.get(activeWindowI).setActive(false); windows.get(activeWindowI).setZ(windows.get(nextWindowI).getZ()); + windows.get(activeWindowI).onUnfocus(); windows.get(nextWindowI).setZ(0); windows.get(nextWindowI).setActive(true); + windows.get(nextWindowI).onFocus(); } // synchronized (windows) @@ -1171,12 +1250,16 @@ public class TApplication implements Runnable { assert (window.isModal()); } for (TWindow w: windows) { - w.setActive(false); + if (w.isActive()) { + w.setActive(false); + w.onUnfocus(); + } w.setZ(w.getZ() + 1); } windows.add(window); - window.setActive(true); window.setZ(0); + window.setActive(true); + window.onFocus(); } } @@ -1320,10 +1403,12 @@ public class TApplication implements Runnable { // We will be switching to another window assert (windows.get(0).isActive()); assert (!window.isActive()); + windows.get(0).onUnfocus(); windows.get(0).setActive(false); windows.get(0).setZ(window.getZ()); window.setZ(0); window.setActive(true); + window.onFocus(); return; } } @@ -1500,17 +1585,76 @@ public class TApplication implements Runnable { } /** - * Add a keyboard accelerator to the global hash. + * Add a menu item to the global list. If it has a keyboard accelerator, + * that will be added the global hash. + * + * @param item the menu item + */ + public final void addMenuItem(final TMenuItem item) { + menuItems.add(item); + + TKeypress key = item.getKey(); + if (key != null) { + synchronized (accelerators) { + assert (accelerators.get(key) == null); + accelerators.put(key.toLowerCase(), item); + } + } + } + + /** + * Disable one menu item. + * + * @param id the menu item ID + */ + public final void disableMenuItem(final int id) { + for (TMenuItem item: menuItems) { + if (item.getId() == id) { + item.setEnabled(false); + } + } + } + + /** + * Disable the range of menu items with ID's between lower and upper, + * inclusive. * - * @param item menu item this accelerator relates to - * @param keypress keypress that will dispatch a TMenuEvent + * @param lower the lowest menu item ID + * @param upper the highest menu item ID */ - public final void addAccelerator(final TMenuItem item, - final TKeypress keypress) { + public final void disableMenuItems(final int lower, final int upper) { + for (TMenuItem item: menuItems) { + if ((item.getId() >= lower) && (item.getId() <= upper)) { + item.setEnabled(false); + } + } + } - synchronized (accelerators) { - assert (accelerators.get(keypress) == null); - accelerators.put(keypress, item); + /** + * Enable one menu item. + * + * @param id the menu item ID + */ + public final void enableMenuItem(final int id) { + for (TMenuItem item: menuItems) { + if (item.getId() == id) { + item.setEnabled(true); + } + } + } + + /** + * 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); + } } } @@ -1530,7 +1674,7 @@ public class TApplication implements Runnable { * * @param event new event to add to the queue */ - public final void addMenuEvent(final TInputEvent event) { + public final void postMenuEvent(final TInputEvent event) { synchronized (fillEventQueue) { fillEventQueue.add(event); } @@ -1616,11 +1760,8 @@ public class TApplication implements Runnable { if (activeMenu != null) { return; } - - synchronized (windows) { - for (TWindow window: windows) { - closeWindow(window); - } + while (windows.size() > 0) { + closeWindow(windows.get(0)); } } @@ -1827,6 +1968,7 @@ public class TApplication implements Runnable { * * @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 { @@ -1840,6 +1982,7 @@ public class TApplication implements Runnable { * @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 {