+++ /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;
-
-import jexer.bits.CellAttributes;
-import jexer.bits.GraphicsChars;
-import jexer.bits.MnemonicString;
-import jexer.bits.StringUtils;
-import jexer.event.TKeypressEvent;
-import jexer.event.TMouseEvent;
-import static jexer.TKeypress.*;
-
-/**
- * TRadioButton implements a selectable radio button.
- *
- * If the user clicks or presses space on this button, it is selected.
- *
- * If the user presses escape on this button, it is unselected.
- */
-public class TRadioButton extends TWidget {
-
- // ------------------------------------------------------------------------
- // Variables --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * RadioButton state, true means selected.
- */
- private boolean selected = false;
-
- /**
- * The shortcut and radio button label.
- */
- private MnemonicString mnemonic;
-
- /**
- * ID for this radio button. Buttons start counting at 1 in the
- * RadioGroup.
- */
- private int id;
-
- // ------------------------------------------------------------------------
- // Constructors -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * 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, StringUtils.width(label) + 4, 1);
-
- mnemonic = new MnemonicString(label);
- this.id = id;
-
- setCursorVisible(true);
- setCursorX(1);
- }
-
- // ------------------------------------------------------------------------
- // Event handlers ---------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * 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;
- }
-
- /**
- * 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 = true;
- ((TRadioGroup) getParent()).setSelected(this);
- }
- }
-
- /**
- * Handle keystrokes.
- *
- * @param keypress keystroke event
- */
- @Override
- public void onKeypress(final TKeypressEvent keypress) {
-
- if (keypress.equals(kbSpace)) {
- selected = true;
- ((TRadioGroup) getParent()).setSelected(this);
- return;
- }
-
- if (keypress.equals(kbEsc)) {
- TRadioGroup parent = (TRadioGroup) getParent();
- if (parent.requiresSelection == false) {
- selected = false;
- parent.setSelected(0);
- }
- return;
- }
-
- // Pass to parent for the things we don't care about.
- super.onKeypress(keypress);
- }
-
- // ------------------------------------------------------------------------
- // TWidget ----------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Override TWidget's width: we can only set width at construction time.
- *
- * @param width new widget width (ignored)
- */
- @Override
- public void setWidth(final int width) {
- // Do nothing
- }
-
- /**
- * Override TWidget's height: we can only set height at construction
- * time.
- *
- * @param height new widget height (ignored)
- */
- @Override
- public void setHeight(final int height) {
- // Do nothing
- }
-
- /**
- * Draw a radio button with label.
- */
- @Override
- public void draw() {
- CellAttributes radioButtonColor;
- CellAttributes mnemonicColor;
-
- if (isAbsoluteActive()) {
- radioButtonColor = getTheme().getColor("tradiobutton.active");
- mnemonicColor = getTheme().getColor("tradiobutton.mnemonic.highlighted");
- } else {
- radioButtonColor = getTheme().getColor("tradiobutton.inactive");
- mnemonicColor = getTheme().getColor("tradiobutton.mnemonic");
- }
-
- putCharXY(0, 0, '(', radioButtonColor);
- if (selected) {
- putCharXY(1, 0, GraphicsChars.CP437[0x07], radioButtonColor);
- } else {
- putCharXY(1, 0, ' ', radioButtonColor);
- }
- putCharXY(2, 0, ')', radioButtonColor);
- putStringXY(4, 0, mnemonic.getRawLabel(), radioButtonColor);
- if (mnemonic.getScreenShortcutIdx() >= 0) {
- putCharXY(4 + mnemonic.getScreenShortcutIdx(), 0,
- mnemonic.getShortcut(), mnemonicColor);
- }
- }
-
- // ------------------------------------------------------------------------
- // TRadioButton -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * 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;
- }
-
- /**
- * Get ID for this radio button. Buttons start counting at 1 in the
- * RadioGroup.
- *
- * @return the ID
- */
- public int getId() {
- return id;
- }
-
- /**
- * Get the mnemonic string for this button.
- *
- * @return mnemonic string
- */
- public MnemonicString getMnemonic() {
- return mnemonic;
- }
-
-}
git://git.nikiroo.be / fanfix.git / blobdiff