+++ /dev/null
-/*
- * 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.menu;
-
-import java.util.ResourceBundle;
-
-import jexer.TApplication;
-import jexer.TKeypress;
-import jexer.TWidget;
-import jexer.TWindow;
-import jexer.bits.CellAttributes;
-import jexer.bits.GraphicsChars;
-import jexer.bits.MnemonicString;
-import jexer.event.TKeypressEvent;
-import jexer.event.TMouseEvent;
-import static jexer.TKeypress.*;
-
-/**
- * TMenu is a top-level collection of TMenuItems.
- */
-public class TMenu extends TWindow {
-
- /**
- * Translated strings.
- */
- private static final ResourceBundle i18n = ResourceBundle.getBundle(TMenu.class.getName());
-
- // ------------------------------------------------------------------------
- // Constants --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- // Reserved menu item IDs
- public static final int MID_UNUSED = -1;
-
- // Tools menu
- public static final int MID_REPAINT = 1;
- public static final int MID_VIEW_IMAGE = 2;
- public static final int MID_CHANGE_FONT = 3;
-
- // File menu
- public static final int MID_NEW = 10;
- public static final int MID_EXIT = 11;
- public static final int MID_QUIT = MID_EXIT;
- public static final int MID_OPEN_FILE = 12;
- public static final int MID_SHELL = 13;
-
- // Edit menu
- public static final int MID_CUT = 20;
- public static final int MID_COPY = 21;
- public static final int MID_PASTE = 22;
- public static final int MID_CLEAR = 23;
-
- // Search menu
- public static final int MID_FIND = 30;
- public static final int MID_REPLACE = 31;
- public static final int MID_SEARCH_AGAIN = 32;
- public static final int MID_GOTO_LINE = 33;
-
- // Window menu
- public static final int MID_TILE = 40;
- public static final int MID_CASCADE = 41;
- public static final int MID_CLOSE_ALL = 42;
- public static final int MID_WINDOW_MOVE = 43;
- public static final int MID_WINDOW_ZOOM = 44;
- public static final int MID_WINDOW_NEXT = 45;
- public static final int MID_WINDOW_PREVIOUS = 46;
- public static final int MID_WINDOW_CLOSE = 47;
-
- // Help menu
- public static final int MID_HELP_CONTENTS = 50;
- public static final int MID_HELP_INDEX = 51;
- public static final int MID_HELP_SEARCH = 52;
- public static final int MID_HELP_PREVIOUS = 53;
- public static final int MID_HELP_HELP = 54;
- public static final int MID_HELP_ACTIVE_FILE = 55;
- public static final int MID_ABOUT = 56;
-
- // ------------------------------------------------------------------------
- // Variables --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * If true, this is a sub-menu. Note package private access.
- */
- boolean isSubMenu = false;
-
- /**
- * The X position of the menu's title.
- */
- private int titleX;
-
- /**
- * The shortcut and title.
- */
- private MnemonicString mnemonic;
-
- // ------------------------------------------------------------------------
- // Constructors -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Public constructor.
- *
- * @param parent parent application
- * @param x column relative to parent
- * @param y row relative to parent
- * @param label mnemonic menu title. Label must contain a keyboard
- * shortcut (mnemonic), denoted by prefixing a letter with "&",
- * e.g. "&File"
- */
- public TMenu(final TApplication parent, final int x, final int y,
- final String label) {
-
- super(parent, label, x, y, parent.getScreen().getWidth(),
- parent.getScreen().getHeight());
-
- // Setup the menu shortcut
- mnemonic = new MnemonicString(label);
- setTitle(mnemonic.getRawLabel());
- assert (mnemonic.getShortcutIdx() >= 0);
-
- // Recompute width and height to reflect an empty menu
- setWidth(getTitle().length() + 4);
- setHeight(2);
-
- setActive(false);
- }
-
- // ------------------------------------------------------------------------
- // Event handlers ---------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Handle mouse button presses.
- *
- * @param mouse mouse button event
- */
- @Override
- public void onMouseDown(final TMouseEvent mouse) {
- this.mouse = mouse;
- super.onMouseDown(mouse);
-
- // Pass to children
- for (TWidget widget: getChildren()) {
- if (widget.mouseWouldHit(mouse)) {
- // Dispatch to this child, also activate it
- activate(widget);
-
- // Set x and y relative to the child's coordinates
- mouse.setX(mouse.getAbsoluteX() - widget.getAbsoluteX());
- mouse.setY(mouse.getAbsoluteY() - widget.getAbsoluteY());
- widget.handleEvent(mouse);
- return;
- }
- }
- }
-
- /**
- * Handle mouse button releases.
- *
- * @param mouse mouse button release event
- */
- @Override
- public void onMouseUp(final TMouseEvent mouse) {
- this.mouse = mouse;
-
- // Pass to children
- for (TWidget widget: getChildren()) {
- if (widget.mouseWouldHit(mouse)) {
- // Dispatch to this child, also activate it
- activate(widget);
-
- // Set x and y relative to the child's coordinates
- mouse.setX(mouse.getAbsoluteX() - widget.getAbsoluteX());
- mouse.setY(mouse.getAbsoluteY() - widget.getAbsoluteY());
- widget.handleEvent(mouse);
- return;
- }
- }
- }
-
- /**
- * Handle mouse movements.
- *
- * @param mouse mouse motion event
- */
- @Override
- public void onMouseMotion(final TMouseEvent mouse) {
- this.mouse = mouse;
-
- // See if we should activate a different menu item
- for (TWidget widget: getChildren()) {
- if ((mouse.isMouse1())
- && (widget.mouseWouldHit(mouse))
- ) {
- // Activate this menu item
- activate(widget);
- if (widget instanceof TSubMenu) {
- ((TSubMenu) widget).dispatch();
- }
- return;
- }
- }
- }
-
- /**
- * Handle keystrokes.
- *
- * @param keypress keystroke event
- */
- @Override
- public void onKeypress(final TKeypressEvent keypress) {
-
- /*
- System.err.printf("keypress: %s active child: %s\n", keypress,
- getActiveChild());
- */
-
- if (getActiveChild() != this) {
- if ((getActiveChild() instanceof TSubMenu)
- || (getActiveChild() instanceof TMenu)
- ) {
- getActiveChild().onKeypress(keypress);
- return;
- }
- }
-
- if (keypress.equals(kbEsc)) {
- getApplication().closeMenu();
- return;
- }
- if (keypress.equals(kbDown)) {
- switchWidget(true);
- return;
- }
- if (keypress.equals(kbUp)) {
- switchWidget(false);
- return;
- }
- if (keypress.equals(kbRight)) {
- getApplication().switchMenu(true);
- return;
- }
- if (keypress.equals(kbLeft)) {
- if (isSubMenu) {
- getApplication().closeSubMenu();
- } else {
- getApplication().switchMenu(false);
- }
- return;
- }
-
- // Switch to a menuItem if it has an mnemonic
- if (!keypress.getKey().isFnKey()
- && !keypress.getKey().isAlt()
- && !keypress.getKey().isCtrl()) {
- for (TWidget widget: getChildren()) {
- TMenuItem item = (TMenuItem) widget;
- if ((item.getMnemonic() != null)
- && (Character.toLowerCase(item.getMnemonic().getShortcut())
- == Character.toLowerCase(keypress.getKey().getChar()))
- ) {
- // Send an enter keystroke to it
- activate(item);
- item.handleEvent(new TKeypressEvent(kbEnter));
- return;
- }
- }
- }
-
- // Dispatch the keypress to an active widget
- for (TWidget widget: getChildren()) {
- if (widget.isActive()) {
- widget.handleEvent(keypress);
- return;
- }
- }
- }
-
- // ------------------------------------------------------------------------
- // TWindow ----------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Draw a top-level menu with title and menu items.
- */
- @Override
- public void draw() {
- CellAttributes background = getTheme().getColor("tmenu");
-
- assert (isAbsoluteActive());
-
- // Fill in the interior background
- for (int i = 0; i < getHeight(); i++) {
- hLineXY(0, i, getWidth(), ' ', background);
- }
-
- // Draw the box
- char cTopLeft;
- char cTopRight;
- char cBottomLeft;
- char cBottomRight;
- char cHSide;
-
- cTopLeft = GraphicsChars.ULCORNER;
- cTopRight = GraphicsChars.URCORNER;
- cBottomLeft = GraphicsChars.LLCORNER;
- cBottomRight = GraphicsChars.LRCORNER;
- cHSide = GraphicsChars.SINGLE_BAR;
-
- // Place the corner characters
- putCharXY(1, 0, cTopLeft, background);
- putCharXY(getWidth() - 2, 0, cTopRight, background);
- putCharXY(1, getHeight() - 1, cBottomLeft, background);
- putCharXY(getWidth() - 2, getHeight() - 1, cBottomRight, background);
-
- // Draw the box lines
- hLineXY(1 + 1, 0, getWidth() - 4, cHSide, background);
- hLineXY(1 + 1, getHeight() - 1, getWidth() - 4, cHSide, background);
-
- // Draw a shadow
- drawBoxShadow(0, 0, getWidth(), getHeight());
- }
-
- // ------------------------------------------------------------------------
- // TMenu ------------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Set the menu title X position.
- *
- * @param titleX the position
- */
- public void setTitleX(final int titleX) {
- this.titleX = titleX;
- }
-
- /**
- * Get the menu title X position.
- *
- * @return the position
- */
- public int getTitleX() {
- return titleX;
- }
-
- /**
- * Get the mnemonic string.
- *
- * @return the full mnemonic string
- */
- public MnemonicString getMnemonic() {
- return mnemonic;
- }
-
- /**
- * Convenience function to add a menu item.
- *
- * @param id menu item ID. Must be greater than 1024.
- * @param label menu item label
- * @return the new menu item
- */
- public TMenuItem addItem(final int id, final String label) {
- assert (id >= 1024);
- return addItemInternal(id, label, null);
- }
-
- /**
- * Convenience function to add a menu item.
- *
- * @param id menu item ID. Must be greater than 1024.
- * @param label menu item label
- * @param enabled default state for enabled
- * @return the new menu item
- */
- public TMenuItem addItem(final int id, final String label,
- final boolean enabled) {
-
- assert (id >= 1024);
- return addItemInternal(id, label, null, enabled);
- }
-
- /**
- * Convenience function to add a custom menu item.
- *
- * @param id menu item ID. Must be greater than 1024.
- * @param label menu item label
- * @param key global keyboard accelerator
- * @return the new menu item
- */
- public TMenuItem addItem(final int id, final String label,
- final TKeypress key) {
-
- assert (id >= 1024);
- return addItemInternal(id, label, key);
- }
-
- /**
- * Convenience function to add a custom menu item.
- *
- * @param id menu item ID. Must be greater than 1024.
- * @param label menu item label
- * @param key global keyboard accelerator
- * @param enabled default state for enabled
- * @return the new menu item
- */
- public TMenuItem addItem(final int id, final String label,
- final TKeypress key, final boolean enabled) {
-
- TMenuItem item = addItem(id, label, key);
- item.setEnabled(enabled);
- return item;
- }
-
- /**
- * Convenience function to add a custom menu item.
- *
- * @param id menu item ID. Must be greater than 1024.
- * @param label menu item label
- * @param key global keyboard accelerator
- * @return the new menu item
- */
- private TMenuItem addItemInternal(final int id, final String label,
- final TKeypress key) {
-
- return addItemInternal(id, label, key, true);
- }
-
- /**
- * Convenience function to add a custom menu item.
- *
- * @param id menu item ID. Must be greater than 1024.
- * @param label menu item label
- * @param key global keyboard accelerator
- * @param enabled default state for enabled
- * @return the new menu item
- */
- private TMenuItem addItemInternal(final int id, final String label,
- final TKeypress key, final boolean enabled) {
-
- int newY = getChildren().size() + 1;
- assert (newY < getHeight());
-
- TMenuItem menuItem = new TMenuItem(this, id, 1, newY, label);
- menuItem.setKey(key);
- menuItem.setEnabled(enabled);
- setHeight(getHeight() + 1);
- if (menuItem.getWidth() + 2 > getWidth()) {
- setWidth(menuItem.getWidth() + 2);
- }
- for (TWidget widget: getChildren()) {
- widget.setWidth(getWidth() - 2);
- }
- getApplication().addMenuItem(menuItem);
- getApplication().recomputeMenuX();
- activate(0);
- return menuItem;
- }
-
- /**
- * Convenience function to add one of the default menu items.
- *
- * @param id menu item ID. Must be between 0 (inclusive) and 1023
- * (inclusive).
- * @return the new menu item
- */
- public TMenuItem addDefaultItem(final int id) {
- return addDefaultItem(id, true);
- }
-
- /**
- * Convenience function to add one of the default menu items.
- *
- * @param id menu item ID. Must be between 0 (inclusive) and 1023
- * (inclusive).
- * @param enabled default state for enabled
- * @return the new menu item
- */
- public TMenuItem addDefaultItem(final int id, final boolean enabled) {
- assert (id >= 0);
- assert (id < 1024);
-
- String label;
- TKeypress key = null;
-
- switch (id) {
-
- case MID_REPAINT:
- label = i18n.getString("menuRepaintDesktop");
- break;
-
- case MID_VIEW_IMAGE:
- label = i18n.getString("menuViewImage");
- break;
-
- case MID_CHANGE_FONT:
- label = i18n.getString("menuChangeFont");
- break;
-
- case MID_NEW:
- label = i18n.getString("menuNew");
- break;
-
- case MID_EXIT:
- label = i18n.getString("menuExit");
- key = kbAltX;
- break;
-
- case MID_SHELL:
- label = i18n.getString("menuShell");
- break;
-
- case MID_OPEN_FILE:
- label = i18n.getString("menuOpen");
- key = kbF3;
- break;
-
- case MID_CUT:
- label = i18n.getString("menuCut");
- key = kbCtrlX;
- break;
- case MID_COPY:
- label = i18n.getString("menuCopy");
- key = kbCtrlC;
- break;
- case MID_PASTE:
- label = i18n.getString("menuPaste");
- key = kbCtrlV;
- break;
- case MID_CLEAR:
- label = i18n.getString("menuClear");
- // key = kbDel;
- break;
-
- case MID_FIND:
- label = i18n.getString("menuFind");
- break;
- case MID_REPLACE:
- label = i18n.getString("menuReplace");
- break;
- case MID_SEARCH_AGAIN:
- label = i18n.getString("menuSearchAgain");
- key = kbCtrlL;
- break;
- case MID_GOTO_LINE:
- label = i18n.getString("menuGotoLine");
- break;
-
- case MID_TILE:
- label = i18n.getString("menuWindowTile");
- break;
- case MID_CASCADE:
- label = i18n.getString("menuWindowCascade");
- break;
- case MID_CLOSE_ALL:
- label = i18n.getString("menuWindowCloseAll");
- break;
- case MID_WINDOW_MOVE:
- label = i18n.getString("menuWindowMove");
- key = kbCtrlF5;
- break;
- case MID_WINDOW_ZOOM:
- label = i18n.getString("menuWindowZoom");
- key = kbF5;
- break;
- case MID_WINDOW_NEXT:
- label = i18n.getString("menuWindowNext");
- key = kbF6;
- break;
- case MID_WINDOW_PREVIOUS:
- label = i18n.getString("menuWindowPrevious");
- key = kbShiftF6;
- break;
- case MID_WINDOW_CLOSE:
- label = i18n.getString("menuWindowClose");
- key = kbCtrlW;
- break;
-
- case MID_HELP_CONTENTS:
- label = i18n.getString("menuHelpContents");
- break;
- case MID_HELP_INDEX:
- label = i18n.getString("menuHelpIndex");
- key = kbShiftF1;
- break;
- case MID_HELP_SEARCH:
- label = i18n.getString("menuHelpSearch");
- key = kbCtrlF1;
- break;
- case MID_HELP_PREVIOUS:
- label = i18n.getString("menuHelpPrevious");
- key = kbAltF1;
- break;
- case MID_HELP_HELP:
- label = i18n.getString("menuHelpHelp");
- break;
- case MID_HELP_ACTIVE_FILE:
- label = i18n.getString("menuHelpActive");
- break;
- case MID_ABOUT:
- label = i18n.getString("menuHelpAbout");
- break;
-
- default:
- throw new IllegalArgumentException("Invalid menu ID: " + id);
- }
-
- return addItemInternal(id, label, key, enabled);
- }
-
- /**
- * Convenience function to add a menu separator.
- */
- public void addSeparator() {
- int newY = getChildren().size() + 1;
- assert (newY < getHeight());
-
- // We just have to construct it, don't need to hang onto what it
- // makes.
- new TMenuSeparator(this, 1, newY);
- setHeight(getHeight() + 1);
- }
-
- /**
- * Convenience function to add a sub-menu.
- *
- * @param title menu title. Title must contain a keyboard shortcut,
- * denoted by prefixing a letter with "&", e.g. "&File"
- * @return the new sub-menu
- */
- public TSubMenu addSubMenu(final String title) {
- int newY = getChildren().size() + 1;
- assert (newY < getHeight());
-
- TSubMenu subMenu = new TSubMenu(this, title, 1, newY);
- setHeight(getHeight() + 1);
- if (subMenu.getWidth() + 2 > getWidth()) {
- setWidth(subMenu.getWidth() + 2);
- }
- for (TWidget widget: getChildren()) {
- widget.setWidth(getWidth() - 2);
- }
- getApplication().recomputeMenuX();
- activate(0);
- subMenu.menu.setX(getX() + getWidth() - 2);
-
- return subMenu;
- }
-
-}
git://git.nikiroo.be / fanfix.git / blobdiff