2 * Jexer - Java Text User Interface
4 * The MIT License (MIT)
6 * Copyright (C) 2017 Kevin Lamonte
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
26 * @author Kevin Lamonte [kevin.lamonte@gmail.com]
31 import static jexer
.TKeypress
.kbSpace
;
32 import jexer
.bits
.CellAttributes
;
33 import jexer
.bits
.GraphicsChars
;
34 import jexer
.event
.TKeypressEvent
;
35 import jexer
.event
.TMouseEvent
;
38 * TCheckbox implements an on/off checkbox.
40 public final class TCheckbox
extends TWidget
{
43 * Checkbox state, true means checked.
45 private boolean checked
= false;
50 * @return if true, this is checked
52 public boolean isChecked() {
59 * @param checked new checked value.
61 public void setChecked(final boolean checked
) {
62 this.checked
= checked
;
66 * Label for this checkbox.
73 * @param parent parent widget
74 * @param x column relative to parent
75 * @param y row relative to parent
76 * @param label label to display next to (right of) the checkbox
77 * @param checked initial check state
79 public TCheckbox(final TWidget parent
, final int x
, final int y
,
80 final String label
, final boolean checked
) {
82 // Set parent and window
83 super(parent
, x
, y
, label
.length() + 4, 1);
86 this.checked
= checked
;
88 setCursorVisible(true);
93 * Returns true if the mouse is currently on the checkbox.
95 * @param mouse mouse event
96 * @return true if the mouse is currently on the checkbox
98 private boolean mouseOnCheckbox(final TMouseEvent mouse
) {
99 if ((mouse
.getY() == 0)
100 && (mouse
.getX() >= 0)
101 && (mouse
.getX() <= 2)
109 * Draw a checkbox with label.
113 CellAttributes checkboxColor
;
115 if (isAbsoluteActive()) {
116 checkboxColor
= getTheme().getColor("tcheckbox.active");
118 checkboxColor
= getTheme().getColor("tcheckbox.inactive");
121 getScreen().putCharXY(0, 0, '[', checkboxColor
);
123 getScreen().putCharXY(1, 0, GraphicsChars
.CHECK
, checkboxColor
);
125 getScreen().putCharXY(1, 0, ' ', checkboxColor
);
127 getScreen().putCharXY(2, 0, ']', checkboxColor
);
128 getScreen().putStringXY(4, 0, label
, checkboxColor
);
132 * Handle mouse checkbox presses.
134 * @param mouse mouse button down event
137 public void onMouseDown(final TMouseEvent mouse
) {
138 if ((mouseOnCheckbox(mouse
)) && (mouse
.isMouse1())) {
147 * @param keypress keystroke event
150 public void onKeypress(final TKeypressEvent keypress
) {
151 if (keypress
.equals(kbSpace
)) {
156 // Pass to parent for the things we don't care about.
157 super.onKeypress(keypress
);