X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2FTApplication.java;h=28e35091ded6e1ef006190574e945c0426c41057;hb=e6bb1700749980e69b5e913acbfd276f129c24dc;hp=ef9bd04028f1b8ffc4b60863a8a1ea9581fc6900;hpb=a06459bd6b0e65c9b590dbdf6ed9349043119215;p=fanfix.git diff --git a/src/jexer/TApplication.java b/src/jexer/TApplication.java deleted file mode 100644 index ef9bd04..0000000 --- a/src/jexer/TApplication.java +++ /dev/null @@ -1,725 +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.Collections; -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 jexer.io.Screen; -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; - - /** - * Get the Screen. - * - * @return the Screen - */ - public final Screen getScreen() { - return backend.getScreen(); - } - - /** - * 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; - } - - /** - * The top-level windows (but not menus). - */ - List windows; - - /** - * When true, exit the application. - */ - private boolean quit = false; - - /** - * When true, repaint the entire screen. - */ - private boolean repaint = true; - - /** - * Request full repaint on next screen refresh. - */ - public void setRepaint() { - repaint = true; - } - - /** - * When true, just flush updates from the screen. - */ - private 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. - */ - private static final int desktopTop = 1; - - /** - * Get Y coordinate of the top edge of the desktop. - * - * @return Y coordinate of the top edge of the desktop - */ - public final int getDesktopTop() { - return desktopTop; - } - - /** - * Y coordinate of the bottom edge of the desktop. - */ - private int desktopBottom; - - /** - * Get Y coordinate of the bottom edge of the desktop. - * - * @return Y coordinate of the bottom edge of the desktop - */ - public final int getDesktopBottom() { - return 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 = getScreen().getHeight() - 1; - eventQueue = new LinkedList(); - windows = new LinkedList(); - } - - /** - * Invert the cell at the mouse pointer position. - */ - private void drawMouse() { - CellAttributes attr = getScreen().getAttrXY(mouseX, mouseY); - attr.setForeColor(attr.getForeColor().invert()); - attr.setBackColor(attr.getBackColor().invert()); - getScreen().putAttrXY(mouseX, mouseY, attr, false); - flush = true; - - if (windows.size() == 0) { - 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 - getScreen().clear(); - - // Draw the background - CellAttributes background = theme.getColor("tapplication.background"); - getScreen().putAll(GraphicsChars.HATCH, background); - - // Draw each window in reverse Z order - List sorted = new LinkedList(windows); - Collections.sort(sorted); - Collections.reverse(sorted); - for (TWindow window: sorted) { - window.drawChildren(); - } - - /* - // Draw the blank menubar line - reset the screen clipping first so - // it won't trim it out. - getScreen().resetClipping(); - getScreen().hLineXY(0, 0, getScreen().getWidth(), ' ', - theme.getColor("tmenu")); - // Now draw the menus. - int x = 1; - for (TMenu m: menus) { - CellAttributes menuColor; - CellAttributes menuMnemonicColor; - if (menu.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 - getScreen().hLineXY(x, 0, menu.title.length() + 2, ' ', - menuColor); - getScreen().putStrXY(x + 1, 0, menu.title, menuColor); - // Draw the highlight character - getScreen().putCharXY(x + 1 + m.mnemonic.shortcutIdx, 0, - m.mnemonic.shortcut, menuMnemonicColor); - - if (menu.active) { - menu.drawChildren(); - // Reset the screen clipping so we can draw the next title. - getScreen().resetClipping(); - } - x += menu.title.length + 2; - } - - for (TMenu menu: subMenus) { - // Reset the screen clipping so we can draw the next sub-menu. - getScreen().resetClipping(); - menu.drawChildren(); - } - */ - - // Draw the mouse pointer - drawMouse(); - - // Place the cursor if it is visible - TWidget activeWidget = null; - if (sorted.size() > 0) { - activeWidget = sorted.get(sorted.size() - 1).getActiveChild(); - if (activeWidget.visibleCursor()) { - getScreen().putCursor(true, activeWidget.getCursorAbsoluteX(), - activeWidget.getCursorAbsoluteY()); - cursor = true; - } - } - - // Kill the cursor - if (cursor == false) { - 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.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; - getScreen().setDimensions(resize.getWidth(), - resize.getHeight()); - desktopBottom = 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.getX()) || (mouseY != mouse.getY())) { - mouseX = mouse.getX(); - mouseY = mouse.getY(); - drawMouse(); - } - } - - // TODO: change to two separate threads - handleEvent(event); - - /* - - // 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) - - } - - /** - * Dispatch one event to the appropriate widget or application-level - * event handler. - * - * @param event the input event to consume - */ - private final void handleEvent(TInputEvent event) { - - /* - // std.stdio.stderr.writefln("Handle event: %s", event); - - // Special application-wide events ----------------------------------- - - // Peek at the mouse position - if (auto mouse = cast(TMouseEvent)event) { - // See if we need to switch focus to another window or the menu - checkSwitchFocus(mouse); - } - - // Handle menu events - if ((activeMenu !is null) && (!cast(TCommandEvent)event)) { - TMenu menu = activeMenu; - if (auto mouse = cast(TMouseEvent)event) { - - while (subMenus.length > 0) { - TMenu subMenu = subMenus[$ - 1]; - if (subMenu.mouseWouldHit(mouse)) { - break; - } - if ((mouse.type == TMouseEvent.Type.MOUSE_MOTION) && - (!mouse.mouse1) && - (!mouse.mouse2) && - (!mouse.mouse3) && - (!mouse.mouseWheelUp) && - (!mouse.mouseWheelDown) - ) { - break; - } - // We navigated away from a sub-menu, so close it - closeSubMenu(); - } - - // Convert the mouse relative x/y to menu coordinates - assert(mouse.x == mouse.absoluteX); - assert(mouse.y == mouse.absoluteY); - if (subMenus.length > 0) { - menu = subMenus[$ - 1]; - } - mouse.x -= menu.x; - mouse.y -= menu.y; - } - menu.handleEvent(event); - return; - } - - if (auto keypress = cast(TKeypressEvent)event) { - // See if this key matches an accelerator, and if so dispatch the - // menu event. - TKeypress keypressLowercase = toLower(keypress.key); - TMenuItem *item = (keypressLowercase in accelerators); - if (item !is null) { - // Let the menu item dispatch - item.dispatch(); - return; - } else { - // Handle the keypress - if (onKeypress(keypress)) { - return; - } - } - } - - if (auto cmd = cast(TCommandEvent)event) { - if (onCommand(cmd)) { - return; - } - } - - if (auto menu = cast(TMenuEvent)event) { - if (onMenu(menu)) { - return; - } - } - */ - - // Dispatch events to the active window ------------------------------- - for (TWindow window: windows) { - if (window.active) { - if (event instanceof TMouseEvent) { - TMouseEvent mouse = (TMouseEvent) event; - // Convert the mouse relative x/y to window coordinates - assert (mouse.getX() == mouse.getAbsoluteX()); - assert (mouse.getY() == mouse.getAbsoluteY()); - mouse.setX(mouse.getX() - window.x); - mouse.setY(mouse.getY() - window.y); - } - // System.err("TApplication dispatch event: %s\n", event); - window.handleEvent(event); - break; - } - } - } - - /** - * Do stuff when there is no user input. - */ - private void doIdle() { - /* - TODO - // 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; - } - - /** - * Close window. Note that the window's destructor is NOT called by this - * method, instead the GC is assumed to do the cleanup. - * - * @param window the window to remove - */ - public final void closeWindow(final TWindow window) { - /* - TODO - - uint z = window.z; - window.z = -1; - windows.sort; - windows = windows[1 .. $]; - TWindow activeWindow = null; - foreach (w; windows) { - if (w.z > z) { - w.z--; - if (w.z == 0) { - w.active = true; - assert(activeWindow is null); - activeWindow = w; - } else { - w.active = false; - } - } - } - - // Perform window cleanup - window.onClose(); - - // Refresh screen - repaint = true; - - // Check if we are closing a TMessageBox or similar - if (secondaryEventReceiver !is null) { - assert(secondaryEventFiber !is null); - - // Do not send events to the secondaryEventReceiver anymore, the - // window is closed. - secondaryEventReceiver = null; - - // Special case: if this is called while executing on a - // secondaryEventFiber, call it so that widgetEventHandler() can - // terminate. - if (secondaryEventFiber.state == Fiber.State.HOLD) { - secondaryEventFiber.call(); - } - secondaryEventFiber = null; - - // Unfreeze the logic in handleEvent() - if (primaryEventFiber.state == Fiber.State.HOLD) { - primaryEventFiber.call(); - } - } - */ - } - - /** - * Switch to the next window. - * - * @param forward if true, then switch to the next window in the list, - * otherwise switch to the previous window in the list - */ - public final void switchWindow(final boolean forward) { - /* - TODO - - // Only switch if there are multiple windows - if (windows.length < 2) { - return; - } - - // Swap z/active between active window and the next in the - // list - ptrdiff_t activeWindowI = -1; - for (auto i = 0; i < windows.length; i++) { - if (windows[i].active) { - activeWindowI = i; - break; - } - } - assert(activeWindowI >= 0); - - // Do not switch if a window is modal - if (windows[activeWindowI].isModal()) { - return; - } - - size_t nextWindowI; - if (forward) { - nextWindowI = (activeWindowI + 1) % windows.length; - } else { - if (activeWindowI == 0) { - nextWindowI = windows.length - 1; - } else { - nextWindowI = activeWindowI - 1; - } - } - windows[activeWindowI].active = false; - windows[activeWindowI].z = windows[nextWindowI].z; - windows[nextWindowI].z = 0; - windows[nextWindowI].active = true; - - // Refresh - repaint = true; - */ - } - - /** - * Add a window to my window list and make it active. - * - * @param window new window to add - */ - public final void addWindow(final TWindow window) { - // Do not allow a modal window to spawn a non-modal window - if ((windows.size() > 0) && (windows.get(0).isModal())) { - assert (window.isModal()); - } - for (TWindow w: windows) { - w.active = false; - w.setZ(w.getZ() + 1); - } - windows.add(window); - window.active = true; - window.setZ(0); - } - - -}