-/**
+/*
* 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.
+ * The MIT License (MIT)
*
- * Copyright (C) 2015 Kevin Lamonte
+ * Copyright (C) 2019 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.
+ * 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:
*
- * 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.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * 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
+ * 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.MnemonicString;
+import jexer.bits.StringUtils;
/**
- * TLabel implements a simple label.
+ * TLabel implements a simple label, with an optional mnemonic hotkey action
+ * associated with it.
*/
-public final class TLabel extends TWidget {
+public class TLabel extends TWidget {
- /**
- * Label text.
- */
- private String label = "";
+ // ------------------------------------------------------------------------
+ // Variables --------------------------------------------------------------
+ // ------------------------------------------------------------------------
/**
- * Get label text.
- *
- * @return label text
+ * The shortcut and label.
*/
- public String getLabel() {
- return label;
- }
+ private MnemonicString mnemonic;
/**
- * Set label text.
- *
- * @param label new label text
+ * The action to perform when the mnemonic shortcut is pressed.
*/
- public void setLabel(final String label) {
- this.label = label;
- }
+ private TAction action;
/**
* Label color.
*/
private String colorKey;
+ /**
+ * If true, use the window's background color.
+ */
+ private boolean useWindowBackground = true;
+
+ // ------------------------------------------------------------------------
+ // Constructors -----------------------------------------------------------
+ // ------------------------------------------------------------------------
+
/**
* Public constructor, using the default "tlabel" for colorKey.
*
this(parent, text, x, y, "tlabel");
}
+ /**
+ * Public constructor, using the default "tlabel" for colorKey.
+ *
+ * @param parent parent widget
+ * @param text label on the screen
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param action to call when shortcut is pressed
+ */
+ public TLabel(final TWidget parent, final String text, final int x,
+ final int y, final TAction action) {
+
+ this(parent, text, x, y, "tlabel", action);
+ }
+
/**
* Public constructor.
*
public TLabel(final TWidget parent, final String text, final int x,
final int y, final String colorKey) {
+ this(parent, text, x, y, colorKey, true);
+ }
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent widget
+ * @param text label on the screen
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param colorKey ColorTheme key color to use for foreground text
+ * @param action to call when shortcut is pressed
+ */
+ public TLabel(final TWidget parent, final String text, final int x,
+ final int y, final String colorKey, final TAction action) {
+
+ this(parent, text, x, y, colorKey, true, action);
+ }
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent widget
+ * @param text label on the screen
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param colorKey ColorTheme key color to use for foreground text
+ * @param useWindowBackground if true, use the window's background color
+ */
+ public TLabel(final TWidget parent, final String text, final int x,
+ final int y, final String colorKey, final boolean useWindowBackground) {
+
+ this(parent, text, x, y, colorKey, useWindowBackground, null);
+ }
+
+ /**
+ * Public constructor.
+ *
+ * @param parent parent widget
+ * @param text label on the screen
+ * @param x column relative to parent
+ * @param y row relative to parent
+ * @param colorKey ColorTheme key color to use for foreground text
+ * @param useWindowBackground if true, use the window's background color
+ * @param action to call when shortcut is pressed
+ */
+ public TLabel(final TWidget parent, final String text, final int x,
+ final int y, final String colorKey, final boolean useWindowBackground,
+ final TAction action) {
+
// Set parent and window
- super(parent, false, x, y, text.length(), 1);
+ super(parent, false, x, y, StringUtils.width(text), 1);
- this.label = text;
+ mnemonic = new MnemonicString(text);
this.colorKey = colorKey;
+ this.useWindowBackground = useWindowBackground;
+ this.action = action;
+ }
+
+ // ------------------------------------------------------------------------
+ // TWidget ----------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * 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 static label.
*/
- @Override public void draw() {
+ @Override
+ public void draw() {
// Setup my color
CellAttributes color = new CellAttributes();
+ CellAttributes mnemonicColor = new CellAttributes();
color.setTo(getTheme().getColor(colorKey));
- CellAttributes background = getWindow().getBackground();
- color.setBackColor(background.getBackColor());
+ mnemonicColor.setTo(getTheme().getColor("tlabel.mnemonic"));
+ if (useWindowBackground) {
+ CellAttributes background = getWindow().getBackground();
+ color.setBackColor(background.getBackColor());
+ mnemonicColor.setBackColor(background.getBackColor());
+ }
+ putStringXY(0, 0, mnemonic.getRawLabel(), color);
+ if (mnemonic.getScreenShortcutIdx() >= 0) {
+ putCharXY(mnemonic.getScreenShortcutIdx(), 0,
+ mnemonic.getShortcut(), mnemonicColor);
+ }
+ }
+
+ // ------------------------------------------------------------------------
+ // TLabel -----------------------------------------------------------------
+ // ------------------------------------------------------------------------
+
+ /**
+ * Get label raw text.
+ *
+ * @return label text
+ */
+ public String getLabel() {
+ return mnemonic.getRawLabel();
+ }
- getScreen().putStringXY(0, 0, label, color);
+ /**
+ * Get the mnemonic string for this label.
+ *
+ * @return mnemonic string
+ */
+ public MnemonicString getMnemonic() {
+ return mnemonic;
+ }
+
+ /**
+ * Set label text.
+ *
+ * @param label new label text
+ */
+ public void setLabel(final String label) {
+ mnemonic = new MnemonicString(label);
+ }
+
+ /**
+ * Get the label color.
+ *
+ * @return the ColorTheme key color to use for foreground text
+ */
+ public String getColorKey() {
+ return colorKey;
+ }
+
+ /**
+ * Set the label color.
+ *
+ * @param colorKey ColorTheme key color to use for foreground text
+ */
+ public void setColorKey(final String colorKey) {
+ this.colorKey = colorKey;
+ }
+
+ /**
+ * Act as though the mnemonic shortcut was pressed.
+ */
+ public void dispatch() {
+ if (action != null) {
+ action.DO();
+ }
}
}