X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2FTApplication.java;h=28e35091ded6e1ef006190574e945c0426c41057;hb=e6bb1700749980e69b5e913acbfd276f129c24dc;hp=e9256a1b74955f6168290f372f56d8d5e4f8df0f;hpb=7b5261bc5b641e0769902f014e3b21f61050b02b;p=fanfix.git diff --git a/src/jexer/TApplication.java b/src/jexer/TApplication.java deleted file mode 100644 index e9256a1..0000000 --- a/src/jexer/TApplication.java +++ /dev/null @@ -1,453 +0,0 @@ -/** - * 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. - * - * Copyright (C) 2015 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. - * - * 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. - * - * 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 - * - * @author Kevin Lamonte [kevin.lamonte@gmail.com] - * @version 1 - */ -package jexer; - -import java.io.InputStream; -import java.io.OutputStream; -import java.io.UnsupportedEncodingException; -import java.util.LinkedList; -import java.util.List; - -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.ECMA48Backend; -import static jexer.TCommand.*; -import static jexer.TKeypress.*; - -/** - * TApplication sets up a full Text User Interface application. - */ -public class TApplication { - - /** - * Access to the physical screen, keyboard, and mouse. - */ - private Backend backend; - - /** - * Actual mouse coordinate X. - */ - private int mouseX; - - /** - * Actual mouse coordinate Y. - */ - private int mouseY; - - /** - * Event queue that will be drained by either primary or secondary Fiber. - */ - private List eventQueue; - - /** - * Windows and widgets pull colors from this ColorTheme. - */ - private ColorTheme theme; - - /** - * Get the color theme. - * - * @return the theme - */ - public final ColorTheme getTheme() { - return theme; - } - - /** - * When true, exit the application. - */ - public boolean quit = false; - - /** - * When true, repaint the entire screen. - */ - public boolean repaint = true; - - /** - * When true, just flush updates from the screen. - */ - public 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. - */ - public static final int desktopTop = 1; - - /** - * Y coordinate of the bottom edge of the desktop. - */ - public int desktopBottom; - - /** - * 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 - */ - public TApplication(final InputStream input, - final OutputStream output) throws UnsupportedEncodingException { - - backend = new ECMA48Backend(input, output); - theme = new ColorTheme(); - desktopBottom = backend.getScreen().getHeight() - 1; - eventQueue = new LinkedList(); - } - - /** - * Invert the cell at the mouse pointer position. - */ - private void drawMouse() { - CellAttributes attr = backend.getScreen().getAttrXY(mouseX, mouseY); - attr.setForeColor(attr.getForeColor().invert()); - attr.setBackColor(attr.getBackColor().invert()); - backend.getScreen().putAttrXY(mouseX, mouseY, attr, false); - flush = true; - - /* - if (windows.length == 0) { - repaint = true; - } - */ - // TODO: remove this repaint after the above if (windows.length == 0) - // can be used again. - repaint = true; - } - - /** - * Draw everything. - */ - public final void drawAll() { - if ((flush) && (!repaint)) { - backend.flushScreen(); - flush = false; - return; - } - - if (!repaint) { - return; - } - - // If true, the cursor is not visible - boolean cursor = false; - - // Start with a clean screen - backend.getScreen().clear(); - - // Draw the background - CellAttributes background = theme.getColor("tapplication.background"); - backend.getScreen().putAll(GraphicsChars.HATCH, background); - - /* - // Draw each window in reverse Z order - TWindow [] sorted = windows.dup; - sorted.sort.reverse; - foreach (w; sorted) { - w.drawChildren(); - } - - // Draw the blank menubar line - reset the screen clipping first so - // it won't trim it out. - backend.getScreen().resetClipping(); - backend.getScreen().hLineXY(0, 0, backend.getScreen().getWidth(), ' ', - theme.getColor("tmenu")); - // Now draw the menus. - int x = 1; - foreach (m; menus) { - CellAttributes menuColor; - CellAttributes menuMnemonicColor; - if (m.active) { - 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 - backend.getScreen().hLineXY(x, 0, cast(int)m.title.length + 2, ' ', - menuColor); - backend.getScreen().putStrXY(x + 1, 0, m.title, menuColor); - // Draw the highlight character - backend.getScreen().putCharXY(x + 1 + m.mnemonic.shortcutIdx, 0, - m.mnemonic.shortcut, menuMnemonicColor); - - if (m.active) { - m.drawChildren(); - // Reset the screen clipping so we can draw the next title. - backend.getScreen().resetClipping(); - } - x += m.title.length + 2; - } - - foreach (m; subMenus) { - // Reset the screen clipping so we can draw the next sub-menu. - backend.getScreen().resetClipping(); - m.drawChildren(); - } - */ - - // Draw the mouse pointer - drawMouse(); - - /* - // Place the cursor if it is visible - TWidget activeWidget = null; - if (sorted.length > 0) { - activeWidget = sorted[$ - 1].getActiveChild(); - if (activeWidget.hasCursor) { - backend.getScreen().putCursor(true, activeWidget.getCursorAbsoluteX(), - activeWidget.getCursorAbsoluteY()); - cursor = true; - } - } - - // Kill the cursor - if (cursor == false) { - backend.getScreen().hideCursor(); - } - */ - - // Flush the screen contents - backend.flushScreen(); - - repaint = false; - flush = false; - } - - /** - * Run this application until it exits. - */ - public final void run() { - List events = new LinkedList(); - - while (!quit) { - // Timeout is in milliseconds, so default timeout after 1 second - // of inactivity. - int timeout = getSleepTime(1000); - - if (eventQueue.size() > 0) { - // Do not wait if there are definitely events waiting to be - // processed or a screen redraw to do. - timeout = 0; - } - - // Pull any pending input events - backend.getEvents(events, timeout); - metaHandleEvents(events); - events.clear(); - - // Process timers and call doIdle()'s - doIdle(); - - // Update the screen - drawAll(); - } - - /* - - // Shutdown the fibers - eventQueue.length = 0; - if (secondaryEventFiber !is null) { - assert(secondaryEventReceiver !is null); - secondaryEventReceiver = null; - if (secondaryEventFiber.state == Fiber.State.HOLD) { - // Wake up the secondary handler so that it can exit. - secondaryEventFiber.call(); - } - } - - if (primaryEventFiber.state == Fiber.State.HOLD) { - // Wake up the primary handler so that it can exit. - primaryEventFiber.call(); - } - */ - - backend.shutdown(); - } - - /** - * Peek at certain application-level events, add to eventQueue, and wake - * up the consuming Fiber. - * - * @param events the input events to consume - */ - private void metaHandleEvents(final List events) { - - for (TInputEvent event: events) { - - /* - 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; - } - - // DEBUG - if (event instanceof TKeypressEvent) { - TKeypressEvent keypress = (TKeypressEvent) event; - if (keypress.key.equals(kbAltX)) { - quit = true; - return; - } - } - // DEBUG - - // Special application-wide events ------------------------------- - - // Abort everything - if (event instanceof TCommandEvent) { - TCommandEvent command = (TCommandEvent) event; - if (command.getCmd().equals(cmAbort)) { - quit = true; - return; - } - } - - // Screen resize - if (event instanceof TResizeEvent) { - TResizeEvent resize = (TResizeEvent) event; - backend.getScreen().setDimensions(resize.getWidth(), - resize.getHeight()); - desktopBottom = backend.getScreen().getHeight() - 1; - repaint = true; - mouseX = 0; - mouseY = 0; - continue; - } - - // Peek at the mouse position - if (event instanceof TMouseEvent) { - TMouseEvent mouse = (TMouseEvent) event; - if ((mouseX != mouse.x) || (mouseY != mouse.y)) { - mouseX = mouse.x; - mouseY = mouse.y; - drawMouse(); - } - } - - /* - - // Put into the main queue - addEvent(event); - - // Have one of the two consumer Fibers peel the events off - // the queue. - if (secondaryEventFiber !is null) { - assert(secondaryEventFiber.state == Fiber.State.HOLD); - - // Wake up the secondary handler for these events - secondaryEventFiber.call(); - } else { - assert(primaryEventFiber.state == Fiber.State.HOLD); - - // Wake up the primary handler for these events - primaryEventFiber.call(); - } - */ - - } // for (TInputEvent event: events) - - } - - /** - * Do stuff when there is no user input. - */ - private void doIdle() { - /* - // Now run any timers that have timed out - auto now = Clock.currTime; - TTimer [] keepTimers; - foreach (t; timers) { - if (t.nextTick < now) { - t.tick(); - if (t.recurring == true) { - keepTimers ~= t; - } - } else { - keepTimers ~= t; - } - } - timers = keepTimers; - - // Call onIdle's - foreach (w; windows) { - w.onIdle(); - } - */ - } - - /** - * Get the amount of time I can sleep before missing a Timer tick. - * - * @param timeout = initial (maximum) timeout - * @return number of milliseconds between now and the next timer event - */ - protected int getSleepTime(final int timeout) { - /* - auto now = Clock.currTime; - auto sleepTime = dur!("msecs")(timeout); - foreach (t; timers) { - if (t.nextTick < now) { - return 0; - } - if ((t.nextTick > now) && - ((t.nextTick - now) < sleepTime) - ) { - sleepTime = t.nextTick - now; - } - } - assert(sleepTime.total!("msecs")() >= 0); - return cast(uint)sleepTime.total!("msecs")(); - */ - // TODO: fix timers. Until then, come back after 250 millis. - return 250; - } - -}