-/**
+/*
* 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) 2017 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 static jexer.TKeypress.kbDown;
+import static jexer.TKeypress.kbEnd;
+import static jexer.TKeypress.kbHome;
+import static jexer.TKeypress.kbLeft;
+import static jexer.TKeypress.kbPgDn;
+import static jexer.TKeypress.kbPgUp;
+import static jexer.TKeypress.kbRight;
+import static jexer.TKeypress.kbUp;
+
import java.util.LinkedList;
import java.util.List;
import jexer.bits.CellAttributes;
import jexer.event.TKeypressEvent;
import jexer.event.TMouseEvent;
-import static jexer.TKeypress.*;
/**
- * TText implements a simple text windget.
+ * TText implements a simple scrollable text area. It reflows automatically on
+ * resize.
*/
public final class TText extends TWidget {
+ /**
+ * Available text justifications.
+ */
+ public enum Justification {
+ /**
+ * Left-justified text.
+ */
+ LEFT,
+
+ /**
+ * Centered text.
+ */
+ CENTER,
+
+ /**
+ * Right-justified text.
+ */
+ RIGHT,
+
+ /**
+ * Fully-justified text.
+ */
+ FULL,
+ }
+
+ /**
+ * How to justify the text.
+ */
+ private Justification justification = Justification.LEFT;
+
/**
* Text to display.
*/
*/
private void computeBounds() {
maxLineWidth = 0;
- for (String line: lines) {
+ for (String line : lines) {
if (line.length() > maxLineWidth) {
maxLineWidth = line.length();
}
}
- vScroller.setBottomValue(lines.size() - getHeight() + 1);
+ vScroller.setBottomValue((lines.size() - getHeight()) + 1);
if (vScroller.getBottomValue() < 0) {
vScroller.setBottomValue(0);
}
vScroller.setValue(vScroller.getBottomValue());
}
- hScroller.setRightValue(maxLineWidth - getWidth() + 1);
+ hScroller.setRightValue((maxLineWidth - getWidth()) + 1);
if (hScroller.getRightValue() < 0) {
hScroller.setRightValue(0);
}
}
/**
- * Insert newlines into a string to wrap it to a maximum column.
- * Terminate the final string with a newline. Note that interior
- * newlines are converted to spaces.
+ * Set justification.
*
- * @param str the string
- * @param n the maximum number of characters in a line
- * @return the wrapped string
+ * @param justification LEFT, CENTER, RIGHT, or FULL
*/
- private String wrap(final String str, final int n) {
- assert (n > 0);
-
- StringBuilder sb = new StringBuilder();
- StringBuilder word = new StringBuilder();
- int col = 0;
- for (int i = 0; i < str.length(); i++) {
- char ch = str.charAt(i);
- if (ch == '\n') {
- ch = ' ';
- }
- if (ch == ' ') {
- sb.append(word.toString());
- sb.append(ch);
- if (word.length() >= n - 1) {
- sb.append('\n');
- col = 0;
- }
- word = new StringBuilder();
- } else {
- word.append(ch);
- }
+ public void setJustification(final Justification justification) {
+ this.justification = justification;
+ reflow();
+ }
- col++;
- if (col >= n - 1) {
- sb.append('\n');
- col = 0;
- }
- }
- sb.append(word.toString());
- sb.append('\n');
- return sb.toString();
+ /**
+ * Left-justify the text.
+ */
+ public void leftJustify() {
+ justification = Justification.LEFT;
+ reflow();
}
+ /**
+ * Center-justify the text.
+ */
+ public void centerJustify() {
+ justification = Justification.CENTER;
+ reflow();
+ }
+
+ /**
+ * Right-justify the text.
+ */
+ public void rightJustify() {
+ justification = Justification.RIGHT;
+ reflow();
+ }
+
+ /**
+ * Fully-justify the text.
+ */
+ public void fullJustify() {
+ justification = Justification.FULL;
+ reflow();
+ }
/**
* Resize text and scrollbars for a new width/height.
lines.clear();
// Break up text into paragraphs
- String [] paragraphs = text.split("\n\n");
- for (String p: paragraphs) {
- String paragraph = wrap(p, getWidth() - 1);
- for (String line: paragraph.split("\n")) {
- lines.add(line);
+ String[] paragraphs = text.split("\n\n");
+ for (String p : paragraphs) {
+ switch (justification) {
+ case LEFT:
+ lines.addAll(jexer.bits.StringJustifier.left(p,
+ getWidth() - 1));
+ break;
+ case CENTER:
+ lines.addAll(jexer.bits.StringJustifier.center(p,
+ getWidth() - 1));
+ break;
+ case RIGHT:
+ lines.addAll(jexer.bits.StringJustifier.right(p,
+ getWidth() - 1));
+ break;
+ case FULL:
+ lines.addAll(jexer.bits.StringJustifier.full(p,
+ getWidth() - 1));
+ break;
}
+
for (int i = 0; i < lineSpacing; i++) {
lines.add("");
}
// Start at the top
if (vScroller == null) {
- vScroller = new TVScroller(this, getWidth() - 1, 0,
- getHeight() - 1);
+ vScroller = new TVScroller(this, getWidth() - 1, 0, getHeight() - 1);
vScroller.setTopValue(0);
vScroller.setValue(0);
} else {
// Start at the left
if (hScroller == null) {
- hScroller = new THScroller(this, 0, getHeight() - 1,
- getWidth() - 1);
+ hScroller = new THScroller(this, 0, getHeight() - 1, getWidth() - 1);
hScroller.setLeftValue(0);
hScroller.setValue(0);
} else {
* @param height height of text area
*/
public TText(final TWidget parent, final String text, final int x,
- final int y, final int width, final int height) {
+ final int y, final int width, final int height) {
this(parent, text, x, y, width, height, "ttext");
}
* @param y row relative to parent
* @param width width of text area
* @param height height of text area
- * @param colorKey ColorTheme key color to use for foreground text.
- * Default is "ttext"
+ * @param colorKey ColorTheme key color to use for foreground
+ * text. Default is "ttext".
*/
public TText(final TWidget parent, final String text, final int x,
- final int y, final int width, final int height, final String colorKey) {
+ final int y, final int width, final int height,
+ final String colorKey) {
// Set parent and window
super(parent, x, y, width, height);
line = "";
}
String formatString = "%-" + Integer.toString(getWidth() - 1) + "s";
- getScreen().putStrXY(0, topY, String.format(formatString, line),
- color);
+ getScreen().putStringXY(0, topY, String.format(formatString, line),
+ color);
topY++;
- if (topY >= getHeight() - 1) {
+ if (topY >= (getHeight() - 1)) {
break;
}
}
// Pad the rest with blank lines
- for (int i = topY; i < getHeight() - 1; i++) {
+ for (int i = topY; i < (getHeight() - 1); i++) {
getScreen().hLineXY(0, i, getWidth() - 1, ' ', color);
}
*/
@Override
public void onMouseDown(final TMouseEvent mouse) {
- if (mouse.getMouseWheelUp()) {
+ if (mouse.isMouseWheelUp()) {
vScroller.decrement();
return;
}
- if (mouse.getMouseWheelDown()) {
+ if (mouse.isMouseWheelDown()) {
vScroller.increment();
return;
}
git://git.nikiroo.be / fanfix.git / blobdiff