private void drawInputMethodUncommitedChars(Graphics2D gfx) {
if (myInputMethodUncommitedChars != null && myInputMethodUncommitedChars.length() > 0) {
int x = myCursor.getCoordX() * myCharSize.width;
int y = (myCursor.getCoordY()) * myCharSize.height - 2;
int len = (myInputMethodUncommitedChars.length()) * myCharSize.width;
gfx.setColor(getBackground());
gfx.fillRect(x, (myCursor.getCoordY() - 1) * myCharSize.height, len, myCharSize.height);
gfx.setColor(getForeground());
gfx.setFont(myNormalFont);
gfx.drawString(myInputMethodUncommitedChars, x, y);
Stroke saved = gfx.getStroke();
BasicStroke dotted =
new BasicStroke(
1, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND, 0, new float[] {0, 2, 0, 2}, 0);
gfx.setStroke(dotted);
gfx.drawLine(x, y, x + len, y);
gfx.setStroke(saved);
}
}
private void clearBuffer() {
if (!myTerminalTextBuffer.isUsingAlternateBuffer()) {
myTerminalTextBuffer.clearHistory();
if (myCoordsAccessor != null && myCoordsAccessor.getY() > 0) {
TerminalLine line = myTerminalTextBuffer.getLine(myCoordsAccessor.getY() - 1);
myTerminalTextBuffer.clearAll();
myCoordsAccessor.setY(0);
myCursor.setY(1);
myTerminalTextBuffer.addLine(line);
}
updateScrolling();
myClientScrollOrigin = myBoundedRangeModel.getValue();
}
}
@Override
public void paintComponent(final Graphics g) {
final Graphics2D gfx = (Graphics2D) g;
setupAntialiasing(gfx);
gfx.setColor(getBackground());
gfx.fillRect(0, 0, getWidth(), getHeight());
myTerminalTextBuffer.processHistoryAndScreenLines(
myClientScrollOrigin,
new StyledTextConsumer() {
final int columnCount = getColumnCount();
@Override
public void consume(
int x,
int y,
@NotNull TextStyle style,
@NotNull CharBuffer characters,
int startRow) {
int row = y - startRow;
drawCharacters(x, row, style, characters, gfx);
if (mySelection != null) {
Pair<Integer, Integer> interval =
mySelection.intersect(x, row + myClientScrollOrigin, characters.length());
if (interval != null) {
TextStyle selectionStyle = getSelectionStyle(style);
CharBuffer selectionChars =
characters.subBuffer(interval.first - x, interval.second);
drawCharacters(interval.first, row, selectionStyle, selectionChars, gfx);
}
}
}
@Override
public void consumeNul(
int x, int y, int nulIndex, TextStyle style, CharBuffer characters, int startRow) {
int row = y - startRow;
if (mySelection != null) {
// compute intersection with all NUL areas, non-breaking
Pair<Integer, Integer> interval =
mySelection.intersect(
nulIndex, row + myClientScrollOrigin, columnCount - nulIndex);
if (interval != null) {
TextStyle selectionStyle = getSelectionStyle(style);
drawCharacters(x, row, selectionStyle, characters, gfx);
return;
}
}
drawCharacters(x, row, style, characters, gfx);
}
@Override
public void consumeQueue(int x, int y, int nulIndex, int startRow) {
if (x < columnCount) {
consumeNul(
x,
y,
nulIndex,
TextStyle.EMPTY,
new CharBuffer(CharUtils.EMPTY_CHAR, columnCount - x),
startRow);
}
}
});
int cursorY = myCursor.getCoordY();
if (myClientScrollOrigin + getRowCount() > cursorY) {
int cursorX = myCursor.getCoordX();
Pair<Character, TextStyle> sc = myTerminalTextBuffer.getStyledCharAt(cursorX, cursorY);
TextStyle normalStyle = sc.second != null ? sc.second : myStyleState.getCurrent();
TextStyle selectionStyle = getSelectionStyle(normalStyle);
boolean inSelection = inSelection(cursorX, cursorY);
myCursor.drawCursor(sc.first, gfx, inSelection ? selectionStyle : normalStyle);
}
drawInputMethodUncommitedChars(gfx);
drawMargins(gfx, getWidth(), getHeight());
}
@Override
public void setBlinkingCursor(boolean enabled) {
myCursor.setBlinking(enabled);
}
@Override
public void setCursorVisible(boolean shouldDrawCursor) {
myCursor.setShouldDrawCursor(shouldDrawCursor);
}
public void setCursor(final int x, final int y) {
myCursor.setX(x);
myCursor.setY(y);
}