@Override
public void keyTyped(final KeyEvent e) {
if (!hist.active()
|| control(e)
|| DELNEXT.is(e)
|| DELPREV.is(e)
|| ESCAPE.is(e)
|| CUT2.is(e)) return;
final int caret = editor.pos();
// remember if marked text is to be deleted
final StringBuilder sb = new StringBuilder(1).append(e.getKeyChar());
final boolean indent = TAB.is(e) && editor.indent(sb, e.isShiftDown());
// delete marked text
final boolean selected = editor.selected() && !indent;
if (selected) editor.delete();
final int move = ENTER.is(e) ? editor.enter(sb) : editor.add(sb, selected);
// refresh history and adjust cursor position
hist.store(editor.text(), caret, editor.pos());
if (move != 0) editor.pos(Math.min(editor.size(), caret + move));
// adjust text height
scrollCode.invokeLater(true);
e.consume();
}
@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();
}
/**
* Adds a character.
*
* @param e key event
* @return true if input was modified
*/
boolean add(final KeyEvent e) {
// backspace/delete...
if (DELNEXT.is(e) || DELPREV.is(e)) return true;
// skip other control chars
final char ch = e.getKeyChar();
if (ch < ' ') return false;
flashing = true;
text = text.substring(0, pos) + ch + text.substring(pos);
++pos;
return true;
}
/**
* 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);
}
}
}
@Override
public void keyPressed(final KeyEvent e) {
// ignore modifier keys
if (specialKey(e) || modifier(e)) return;
// re-animate cursor
caret(true);
// operations without cursor movement...
final int fh = rend.fontHeight();
if (SCROLLDOWN.is(e)) {
scroll.pos(scroll.pos() + fh);
return;
}
if (SCROLLUP.is(e)) {
scroll.pos(scroll.pos() - fh);
return;
}
// set cursor position
final boolean selected = editor.selected();
final int pos = editor.pos();
final boolean shift = e.isShiftDown();
boolean down = true, consumed = true;
// move caret
int lc = Integer.MIN_VALUE;
final byte[] txt = editor.text();
if (NEXTWORD.is(e)) {
editor.nextWord(shift);
} else if (PREVWORD.is(e)) {
editor.prevWord(shift);
down = false;
} else if (TEXTSTART.is(e)) {
editor.textStart(shift);
down = false;
} else if (TEXTEND.is(e)) {
editor.textEnd(shift);
} else if (LINESTART.is(e)) {
editor.lineStart(shift);
down = false;
} else if (LINEEND.is(e)) {
editor.lineEnd(shift);
} else if (PREVPAGE_RO.is(e) && !hist.active()) {
lc = editor.linesUp(getHeight() / fh, false, lastCol);
down = false;
} else if (NEXTPAGE_RO.is(e) && !hist.active()) {
lc = editor.linesDown(getHeight() / fh, false, lastCol);
} else if (PREVPAGE.is(e) && !sc(e)) {
lc = editor.linesUp(getHeight() / fh, shift, lastCol);
down = false;
} else if (NEXTPAGE.is(e) && !sc(e)) {
lc = editor.linesDown(getHeight() / fh, shift, lastCol);
} else if (NEXTLINE.is(e) && !MOVEDOWN.is(e)) {
lc = editor.linesDown(1, shift, lastCol);
} else if (PREVLINE.is(e) && !MOVEUP.is(e)) {
lc = editor.linesUp(1, shift, lastCol);
down = false;
} else if (NEXTCHAR.is(e)) {
editor.next(shift);
} else if (PREVCHAR.is(e)) {
editor.previous(shift);
down = false;
} else {
consumed = false;
}
lastCol = lc == Integer.MIN_VALUE ? -1 : lc;
// edit text
if (hist.active()) {
if (COMPLETE.is(e)) {
complete();
return;
}
if (MOVEDOWN.is(e)) {
editor.move(true);
} else if (MOVEUP.is(e)) {
editor.move(false);
} else if (DELLINE.is(e)) {
editor.deleteLine();
} else if (DELNEXTWORD.is(e)) {
editor.deleteNext(true);
} else if (DELLINEEND.is(e)) {
editor.deleteNext(false);
} else if (DELNEXT.is(e)) {
editor.delete();
} else if (DELPREVWORD.is(e)) {
editor.deletePrev(true);
down = false;
} else if (DELLINESTART.is(e)) {
editor.deletePrev(false);
down = false;
} else if (DELPREV.is(e)) {
editor.deletePrev();
down = false;
} else {
consumed = false;
}
}
if (consumed) e.consume();
final byte[] tmp = editor.text();
if (txt != tmp) {
// text has changed: add old text to history
hist.store(tmp, pos, editor.pos());
scrollCode.invokeLater(down);
} else if (pos != editor.pos() || selected != editor.selected()) {
// cursor position or selection state has changed
cursorCode.invokeLater(down ? 2 : 0);
}
}
@Override
public void keyPressed(final KeyEvent e) {
if (modifier(e)) return;
// operations that change the focus are put first..
if (PREVTAB.is(e)) {
transferFocusBackward();
return;
}
if (NEXTTAB.is(e)) {
transferFocus();
return;
}
if (FIND.is(e)) {
if (find != null) find.requestFocusInWindow();
return;
}
// re-animate cursor
cursor(true);
// operations without cursor movement...
final int fh = rend.fontH();
if (SCROLLDOWN.is(e)) {
scroll.pos(scroll.pos() + fh);
return;
}
if (SCROLLUP.is(e)) {
scroll.pos(scroll.pos() - fh);
return;
}
if (COPY1.is(e) || COPY2.is(e)) {
copy();
return;
}
// set cursor position and reset last column
text.pos(text.cursor());
if (!PREVLINE.is(e) && !NEXTLINE.is(e)) lastCol = -1;
if (FINDNEXT.is(e) || FINDNEXT2.is(e)) {
scroll(rend.find(true, true));
return;
}
if (FINDPREV.is(e) || FINDPREV2.is(e)) {
scroll(rend.find(false, true));
return;
}
if (SELECTALL.is(e)) {
selectAll();
return;
}
// necessary on Macs as the shift button is pressed for REDO
final boolean marking =
e.isShiftDown()
&& !DELNEXT.is(e)
&& !DELPREV.is(e)
&& !PASTE2.is(e)
&& !COMMENT.is(e)
&& !DELLINE.is(e)
&& !REDOSTEP.is(e);
final boolean nomark = !text.marked();
if (marking && nomark) text.startMark();
boolean down = true;
boolean consumed = true;
// operations that consider the last text mark..
final byte[] txt = text.text();
if (NEXTWORD.is(e)) {
text.nextToken(marking);
} else if (PREVWORD.is(e)) {
text.prevToken(marking);
down = false;
} else if (TEXTSTART.is(e)) {
if (!marking) text.noMark();
text.pos(0);
down = false;
} else if (TEXTEND.is(e)) {
if (!marking) text.noMark();
text.pos(text.size());
} else if (LINESTART.is(e)) {
text.bol(marking);
down = false;
} else if (LINEEND.is(e)) {
text.eol(marking);
} else if (NEXTPAGE.is(e)) {
down(getHeight() / fh, marking);
} else if (PREVPAGE.is(e)) {
up(getHeight() / fh, marking);
down = false;
} else if (NEXT.is(e)) {
text.next(marking);
} else if (PREV.is(e)) {
text.prev(marking);
down = false;
} else if (PREVLINE.is(e)) {
up(1, marking);
down = false;
} else if (NEXTLINE.is(e)) {
down(1, marking);
} else if (FINDERROR.is(e)) {
final int p = text.error();
if (p != -1) setCaret(p);
} else {
consumed = false;
}
if (marking) {
// refresh scroll position
text.endMark();
text.checkMark();
} else if (undo != null) {
// edit operations...
if (CUT1.is(e) || CUT2.is(e)) {
cut();
} else if (PASTE1.is(e) || PASTE2.is(e)) {
paste();
} else if (UNDOSTEP.is(e)) {
undo();
} else if (REDOSTEP.is(e)) {
redo();
} else if (COMMENT.is(e)) {
text.comment(rend.getSyntax());
} else if (DELLINE.is(e)) {
text.deleteLine();
} else if (DELLINEEND.is(e) || DELNEXTWORD.is(e) || DELNEXT.is(e)) {
if (nomark) {
if (text.pos() == text.size()) return;
text.startMark();
if (DELNEXTWORD.is(e)) {
text.nextToken(true);
} else if (DELLINEEND.is(e)) {
text.eol(true);
} else {
text.next(true);
}
text.endMark();
}
undo.cursor(text.cursor());
text.delete();
} else if (DELLINESTART.is(e) || DELPREVWORD.is(e) || DELPREV.is(e)) {
if (nomark) {
if (text.pos() == 0) return;
text.startMark();
if (DELPREVWORD.is(e)) {
text.prevToken(true);
} else if (DELLINESTART.is(e)) {
text.bol(true);
} else {
text.prev();
}
text.endMark();
}
undo.cursor(text.cursor());
text.delete();
down = false;
} else {
consumed = false;
}
}
if (consumed) e.consume();
text.setCaret();
if (txt != text.text()) rend.calc();
showCursor(down ? 2 : 0);
}