+++ /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 jexer.TKeypress;
-import jexer.TWidget;
-import jexer.bits.CellAttributes;
-import jexer.bits.GraphicsChars;
-import jexer.event.TKeypressEvent;
-import static jexer.TKeypress.*;
-
-/**
- * TSubMenu is a special case menu item that wraps another TMenu.
- */
-public class TSubMenu extends TMenuItem {
-
- // ------------------------------------------------------------------------
- // Variables --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * The menu window. Note package private access.
- */
- TMenu menu;
-
- // ------------------------------------------------------------------------
- // Constructors -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Package private constructor.
- *
- * @param parent parent widget
- * @param title menu title. Title must contain a keyboard shortcut,
- * denoted by prefixing a letter with "&", e.g. "&File"
- * @param x column relative to parent
- * @param y row relative to parent
- */
- TSubMenu(final TMenu parent, final String title, final int x, final int y) {
- super(parent, TMenu.MID_UNUSED, x, y, title);
-
- setActive(false);
- setEnabled(true);
-
- this.menu = new TMenu(parent.getApplication(), x, getAbsoluteY() - 1,
- title);
- setWidth(menu.getWidth() + 2);
-
- this.menu.isSubMenu = true;
- }
-
- // ------------------------------------------------------------------------
- // Event handlers ---------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Handle keystrokes.
- *
- * @param keypress keystroke event
- */
- @Override
- public void onKeypress(final TKeypressEvent keypress) {
-
- // Open me if they hit my mnemonic.
- if (!keypress.getKey().isFnKey()
- && !keypress.getKey().isAlt()
- && !keypress.getKey().isCtrl()
- && (getMnemonic() != null)
- && (Character.toLowerCase(getMnemonic().getShortcut())
- == Character.toLowerCase(keypress.getKey().getChar()))
- ) {
- dispatch();
- return;
- }
-
- if (menu.isActive()) {
- menu.onKeypress(keypress);
- return;
- }
-
- if (keypress.equals(kbEnter)) {
- dispatch();
- return;
- }
-
- if (keypress.equals(kbRight)) {
- dispatch();
- return;
- }
-
- if (keypress.equals(kbDown)) {
- getParent().switchWidget(true);
- return;
- }
-
- if (keypress.equals(kbUp)) {
- getParent().switchWidget(false);
- return;
- }
-
- if (keypress.equals(kbLeft)) {
- TMenu parentMenu = (TMenu) getParent();
- if (parentMenu.isSubMenu) {
- getApplication().closeSubMenu();
- } else {
- getApplication().switchMenu(false);
- }
- return;
- }
-
- if (keypress.equals(kbEsc)) {
- getApplication().closeMenu();
- return;
- }
- }
-
- // ------------------------------------------------------------------------
- // TMenuItem --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Draw the menu title.
- */
- @Override
- public void draw() {
- super.draw();
-
- CellAttributes menuColor;
- if (isAbsoluteActive()) {
- menuColor = getTheme().getColor("tmenu.highlighted");
- } else {
- if (isEnabled()) {
- menuColor = getTheme().getColor("tmenu");
- } else {
- menuColor = getTheme().getColor("tmenu.disabled");
- }
- }
-
- // Add the arrow
- putCharXY(getWidth() - 2, 0, GraphicsChars.CP437[0x10], menuColor);
- }
-
- /**
- * Override dispatch() to do nothing.
- */
- @Override
- public void dispatch() {
- assert (isEnabled());
- if (isAbsoluteActive()) {
- if (!menu.isActive()) {
- getApplication().addSubMenu(menu);
- menu.setActive(true);
- }
- }
- }
-
- /**
- * Returns my active widget.
- *
- * @return widget that is active, or this if no children
- */
- @Override
- public TWidget getActiveChild() {
- if (menu.isActive()) {
- return menu;
- }
- // Menu not active, return me
- return this;
- }
-
- // ------------------------------------------------------------------------
- // TSubMenu ---------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * 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) {
-
- return menu.addItem(id, label, key);
- }
-
- /**
- * 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) {
- return menu.addItem(id, label);
- }
-
- /**
- * 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 menu.addDefaultItem(id);
- }
-
- /**
- * 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) {
- return menu.addDefaultItem(id, enabled);
- }
-
- /**
- * Convenience function to add a menu separator.
- */
- public void addSeparator() {
- menu.addSeparator();
- }
-
- /**
- * 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) {
- return menu.addSubMenu(title);
- }
-
-}
git://git.nikiroo.be / fanfix.git / blobdiff