@Override
public void keyTyped(final KeyEvent e) {
if (undo == null || control(e) || DELNEXT.is(e) || DELPREV.is(e) || ESCAPE.is(e)) return;
text.pos(text.cursor());
// string to be added
String ch = String.valueOf(e.getKeyChar());
// remember if marked text is to be deleted
boolean del = true;
final byte[] txt = text.text();
if (TAB.is(e)) {
if (text.marked()) {
// check if lines are to be indented
final int s = Math.min(text.pos(), text.start());
final int l = Math.max(text.pos(), text.start()) - 1;
for (int p = s; p <= l && p < txt.length; p++) del &= txt[p] != '\n';
if (!del) {
text.indent(s, l, e.isShiftDown());
ch = null;
}
} else {
boolean c = true;
for (int p = text.pos() - 1; p >= 0 && c; p--) {
final byte b = txt[p];
c = ws(b);
if (b == '\n') break;
}
if (c) ch = " ";
}
}
// delete marked text
if (text.marked() && del) text.delete();
if (ENTER.is(e)) {
// adopt indentation from previous line
final StringBuilder sb = new StringBuilder(1).append(e.getKeyChar());
int s = 0;
for (int p = text.pos() - 1; p >= 0; p--) {
final byte b = txt[p];
if (b == '\n') break;
if (b == '\t') {
s += 2;
} else if (b == ' ') {
s++;
} else {
s = 0;
}
}
for (int p = 0; p < s; p++) sb.append(' ');
ch = sb.toString();
}
if (ch != null) text.add(ch);
text.setCaret();
rend.calc();
showCursor(2);
e.consume();
}
/**
* Draws the specified string.
*
* @param g graphics reference
* @param s text
* @param x x coordinate
* @param y y coordinate
* @param w width
* @param fs font size
*/
public static void chopString(
final Graphics g, final byte[] s, final int x, final int y, final int w, final int fs) {
if (w < 12) return;
final int[] cw = fontWidths(g.getFont());
int j = s.length;
try {
int l = 0;
int fw = 0;
for (int k = 0; k < j; k += l) {
final int ww = width(g, cw, cp(s, k));
if (fw + ww >= w - 4) {
j = Math.max(1, k - l);
if (k > 1) fw -= width(g, cw, cp(s, k - 1));
g.drawString("..", x + fw, y + fs);
break;
}
fw += ww;
l = cl(s, k);
}
} catch (final Exception ex) {
Util.debug(ex);
}
g.drawString(string(s, 0, j), x, y + fs);
}
@Override
public final void mouseDragged(final MouseEvent e) {
if (!SwingUtilities.isLeftMouseButton(e)) return;
// selection mode
select(e.getPoint(), false);
final int y = Math.max(20, Math.min(e.getY(), getHeight() - 20));
if (y != e.getY()) scroll.pos(scroll.pos() + e.getY() - y);
}
@Override
public void keyPressed(final KeyEvent e) {
final int old = value;
if (PREVCHAR.is(e) || PREVLINE.is(e)) {
value = Math.max(min, value - 1);
} else if (NEXTCHAR.is(e) || NEXTLINE.is(e)) {
value = Math.min(max, value + 1);
} else if (NEXTPAGE.is(e)) {
value = Math.max(min, value + 10);
} else if (PREVPAGE.is(e)) {
value = Math.min(max, value - 10);
} else if (LINESTART.is(e)) {
value = min;
} else if (LINEEND.is(e)) {
value = max;
}
if (value != old) {
if (dialog != null) dialog.action(null);
for (final ActionListener al : listenerList.getListeners(ActionListener.class)) {
al.actionPerformed(null);
}
repaint();
}
}
@Override
public void mouseDragged(final MouseEvent e) {
final double prop = (max - min) * (mouseX - e.getX()) / (getWidth() - SLIDERW);
final int old = value;
value = Math.max(min, Math.min(max, (int) (oldValue - prop)));
if (value != old) {
if (dialog != null) dialog.action(null);
for (final ActionListener al : listenerList.getListeners(ActionListener.class)) {
al.actionPerformed(null);
}
repaint();
}
}
/**
* Reacts on key codes.
*
* @param e key event
*/
void code(final KeyEvent e) {
if (ENTER.is(e) || text == null) stop();
flashing = true;
if (LINESTART.is(e)) {
pos = 0;
} else if (LINEEND.is(e)) {
pos = text.length();
} else if (PREV.is(e)) {
pos = Math.max(0, pos - 1);
} else if (NEXT.is(e)) {
pos = Math.min(text.length(), pos + 1);
} else if (DELPREV.is(e)) {
if (pos > 0) text = text.substring(0, pos - 1) + text.substring(pos--);
} else if (DELNEXT.is(e)) {
if (pos < text.length()) {
text = text.substring(0, pos) + text.substring(pos + 1);
}
}
}
