public Dimension requestResize(
final Dimension newSize,
final RequestOrigin origin,
int cursorY,
JediTerminal.ResizeHandler resizeHandler) {
if (!newSize.equals(myTermSize)) {
myTerminalTextBuffer.lock();
try {
myTerminalTextBuffer.resize(newSize, origin, cursorY, resizeHandler, mySelection);
myTermSize = (Dimension) newSize.clone();
final Dimension pixelDimension = new Dimension(getPixelWidth(), getPixelHeight());
setPreferredSize(pixelDimension);
if (myTerminalPanelListener != null) {
myTerminalPanelListener.onPanelResize(pixelDimension, origin);
}
SwingUtilities.invokeLater(
new Runnable() {
@Override
public void run() {
updateScrolling();
}
});
} finally {
myTerminalTextBuffer.unlock();
}
}
return new Dimension(getPixelWidth(), getPixelHeight());
}
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();
}
}
private void updateScrolling() {
if (myScrollingEnabled) {
myBoundedRangeModel.setRangeProperties(
0,
myTermSize.height,
-myTerminalTextBuffer.getHistoryBuffer().getLineCount(),
myTermSize.height,
false);
} else {
myBoundedRangeModel.setRangeProperties(0, myTermSize.height, 0, myTermSize.height, false);
}
}
public TerminalPanel(
@NotNull SettingsProvider settingsProvider,
@NotNull TerminalTextBuffer terminalTextBuffer,
@NotNull StyleState styleState) {
mySettingsProvider = settingsProvider;
myTerminalTextBuffer = terminalTextBuffer;
myStyleState = styleState;
myTermSize.width = terminalTextBuffer.getWidth();
myTermSize.height = terminalTextBuffer.getHeight();
myMaxFPS = mySettingsProvider.maxRefreshRate();
updateScrolling();
enableEvents(AWTEvent.KEY_EVENT_MASK | AWTEvent.INPUT_METHOD_EVENT_MASK);
enableInputMethods(true);
terminalTextBuffer.addModelListener(
new TerminalModelListener() {
@Override
public void modelChanged() {
repaint();
}
});
}
@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());
}
public LinesBuffer getScrollBuffer() {
return myTerminalTextBuffer.getHistoryBuffer();
}
