+++ /dev/null
-/*
- * 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 jexer.bits.CellAttributes;
-import jexer.bits.GraphicsChars;
-import jexer.event.TKeypressEvent;
-import jexer.event.TMouseEvent;
-import static jexer.TKeypress.*;
-
-/**
- * TRadioButton implements a selectable radio button.
- */
-public final class TRadioButton extends TWidget {
-
- /**
- * RadioButton state, true means selected.
- */
- private boolean selected = false;
-
- /**
- * Get RadioButton state, true means selected.
- *
- * @return if true then this is the one button in the group that is
- * selected
- */
- public boolean isSelected() {
- return selected;
- }
-
- /**
- * Set RadioButton state, true means selected. Note package private
- * access.
- *
- * @param selected if true then this is the one button in the group that
- * is selected
- */
- void setSelected(final boolean selected) {
- this.selected = selected;
- }
-
- /**
- * Label for this radio button.
- */
- private String label;
-
- /**
- * ID for this radio button. Buttons start counting at 1 in the
- * RadioGroup.
- */
- private int id;
-
- /**
- * Get ID for this radio button. Buttons start counting at 1 in the
- * RadioGroup.
- *
- * @return the ID
- */
- public int getId() {
- return id;
- }
-
- /**
- * Public constructor.
- *
- * @param parent parent widget
- * @param x column relative to parent
- * @param y row relative to parent
- * @param label label to display next to (right of) the radiobutton
- * @param id ID for this radio button
- */
- public TRadioButton(final TRadioGroup parent, final int x, final int y,
- final String label, final int id) {
-
- // Set parent and window
- super(parent, x, y, label.length() + 4, 1);
-
- this.label = label;
- this.id = id;
-
- setCursorVisible(true);
- setCursorX(1);
- }
-
- /**
- * Returns true if the mouse is currently on the radio button.
- *
- * @param mouse mouse event
- * @return if true the mouse is currently on the radio button
- */
- private boolean mouseOnRadioButton(final TMouseEvent mouse) {
- if ((mouse.getY() == 0)
- && (mouse.getX() >= 0)
- && (mouse.getX() <= 2)
- ) {
- return true;
- }
- return false;
- }
-
- /**
- * Draw a radio button with label.
- */
- @Override
- public void draw() {
- CellAttributes radioButtonColor;
-
- if (isAbsoluteActive()) {
- radioButtonColor = getTheme().getColor("tradiobutton.active");
- } else {
- radioButtonColor = getTheme().getColor("tradiobutton.inactive");
- }
-
- getScreen().putCharXY(0, 0, '(', radioButtonColor);
- if (selected) {
- getScreen().putCharXY(1, 0, GraphicsChars.CP437[0x07],
- radioButtonColor);
- } else {
- getScreen().putCharXY(1, 0, ' ', radioButtonColor);
- }
- getScreen().putCharXY(2, 0, ')', radioButtonColor);
- getScreen().putStringXY(4, 0, label, radioButtonColor);
- }
-
- /**
- * Handle mouse button presses.
- *
- * @param mouse mouse button press event
- */
- @Override
- public void onMouseDown(final TMouseEvent mouse) {
- if ((mouseOnRadioButton(mouse)) && (mouse.isMouse1())) {
- // Switch state
- selected = !selected;
- if (selected) {
- ((TRadioGroup) getParent()).setSelected(this);
- }
- }
- }
-
- /**
- * Handle keystrokes.
- *
- * @param keypress keystroke event
- */
- @Override
- public void onKeypress(final TKeypressEvent keypress) {
-
- if (keypress.equals(kbSpace)) {
- selected = !selected;
- if (selected) {
- ((TRadioGroup) getParent()).setSelected(this);
- }
- return;
- }
-
- // Pass to parent for the things we don't care about.
- super.onKeypress(keypress);
- }
-
-}