private void paintBackground(
Graphics2D g, Rectangle clip, int startVisualLine, int endVisualLine) {
int lineCount = myEditor.getVisibleLineCount();
final Map<Integer, Couple<Integer>> virtualSelectionMap =
createVirtualSelectionMap(startVisualLine, endVisualLine);
for (int visualLine = startVisualLine; visualLine <= endVisualLine; visualLine++) {
int y = myView.visualLineToY(visualLine);
LineLayout prefixLayout = myView.getPrefixLayout();
if (visualLine == 0 && prefixLayout != null) {
paintBackground(g, myView.getPrefixAttributes(), 0, y, prefixLayout.getWidth());
}
if (visualLine >= lineCount) break;
paintLineFragments(
g,
clip,
visualLine,
y,
new LineFragmentPainter() {
@Override
public void paintBeforeLineStart(
Graphics2D g, TextAttributes attributes, int columnEnd, float xEnd, int y) {
paintBackground(g, attributes, 0, y, xEnd);
paintSelectionOnSecondSoftWrapLineIfNecessary(g, columnEnd, xEnd, y);
}
@Override
public void paint(
Graphics2D g,
VisualLineFragmentsIterator.Fragment fragment,
int start,
int end,
TextAttributes attributes,
float xStart,
float xEnd,
int y) {
paintBackground(g, attributes, xStart, y, xEnd - xStart);
}
@Override
public void paintAfterLineEnd(
Graphics2D g, Rectangle clip, IterationState it, int columnStart, float x, int y) {
paintBackground(
g, it.getPastLineEndBackgroundAttributes(), x, y, clip.x + clip.width - x);
int offset = it.getEndOffset();
SoftWrap softWrap = myEditor.getSoftWrapModel().getSoftWrap(offset);
if (softWrap == null) {
paintVirtualSelectionIfNecessary(
g, virtualSelectionMap, columnStart, x, clip.x + clip.width, y);
} else {
paintSelectionOnFirstSoftWrapLineIfNecessary(
g, columnStart, x, clip.x + clip.width, y);
}
}
});
}
}
private void paintLineMarkerSeparator(RangeHighlighter marker, Rectangle clip, Graphics g) {
Color separatorColor = marker.getLineSeparatorColor();
LineSeparatorRenderer lineSeparatorRenderer = marker.getLineSeparatorRenderer();
if (separatorColor == null && lineSeparatorRenderer == null) {
return;
}
int line =
myDocument.getLineNumber(
marker.getLineSeparatorPlacement() == SeparatorPlacement.TOP
? marker.getStartOffset()
: marker.getEndOffset());
int visualLine =
myView.logicalToVisualPosition(
new LogicalPosition(
line + (marker.getLineSeparatorPlacement() == SeparatorPlacement.TOP ? 0 : 1),
0),
false)
.line;
int y = myView.visualLineToY(visualLine) - 1;
int endShift = clip.x + clip.width;
EditorSettings settings = myEditor.getSettings();
if (settings.isRightMarginShown()
&& myEditor.getColorsScheme().getColor(EditorColors.RIGHT_MARGIN_COLOR) != null) {
endShift =
Math.min(
endShift,
settings.getRightMargin(myEditor.getProject()) * myView.getPlainSpaceWidth());
}
g.setColor(separatorColor);
if (lineSeparatorRenderer != null) {
lineSeparatorRenderer.drawLine(g, 0, endShift, y);
} else {
UIUtil.drawLine(g, 0, y, endShift, y);
}
}
private void paintBorderEffect(
Graphics2D g,
ClipDetector clipDetector,
int startOffset,
int endOffset,
TextAttributes attributes) {
if (!clipDetector.rangeCanBeVisible(startOffset, endOffset)) return;
int startLine = myDocument.getLineNumber(startOffset);
int endLine = myDocument.getLineNumber(endOffset);
if (startLine + 1 == endLine
&& startOffset == myDocument.getLineStartOffset(startLine)
&& endOffset == myDocument.getLineStartOffset(endLine)) {
// special case of line highlighters
endLine--;
endOffset = myDocument.getLineEndOffset(endLine);
}
boolean rounded = attributes.getEffectType() == EffectType.ROUNDED_BOX;
int lineHeight = myView.getLineHeight() - 1;
g.setColor(attributes.getEffectColor());
VisualPosition startPosition = myView.offsetToVisualPosition(startOffset, true, false);
VisualPosition endPosition = myView.offsetToVisualPosition(endOffset, false, true);
if (startPosition.line == endPosition.line) {
int y = myView.visualLineToY(startPosition.line);
TFloatArrayList ranges = adjustedLogicalRangeToVisualRanges(startOffset, endOffset);
for (int i = 0; i < ranges.size() - 1; i += 2) {
int startX = (int) ranges.get(i);
int endX = (int) ranges.get(i + 1);
if (rounded) {
UIUtil.drawRectPickedOut(g, startX, y, endX - startX, lineHeight);
} else {
g.drawRect(startX, y, endX - startX, lineHeight);
}
}
} else {
int maxWidth = myView.getMaxWidthInLineRange(startPosition.line, endPosition.line) - 1;
TFloatArrayList leadingRanges =
adjustedLogicalRangeToVisualRanges(
startOffset,
myView.visualPositionToOffset(
new VisualPosition(startPosition.line, Integer.MAX_VALUE, true)));
TFloatArrayList trailingRanges =
adjustedLogicalRangeToVisualRanges(
myView.visualPositionToOffset(new VisualPosition(endPosition.line, 0)), endOffset);
if (!leadingRanges.isEmpty() && !trailingRanges.isEmpty()) {
boolean containsInnerLines = endPosition.line > startPosition.line + 1;
int leadingTopY = myView.visualLineToY(startPosition.line);
int leadingBottomY = leadingTopY + lineHeight;
int trailingTopY = myView.visualLineToY(endPosition.line);
int trailingBottomY = trailingTopY + lineHeight;
float start = 0;
float end = 0;
float leftGap = leadingRanges.get(0) - (containsInnerLines ? 0 : trailingRanges.get(0));
int adjustY =
leftGap == 0 ? 2 : leftGap > 0 ? 1 : 0; // avoiding 1-pixel gap between aligned lines
for (int i = 0; i < leadingRanges.size() - 1; i += 2) {
start = leadingRanges.get(i);
end = leadingRanges.get(i + 1);
if (i > 0) {
drawLine(g, leadingRanges.get(i - 1), leadingBottomY, start, leadingBottomY, rounded);
}
drawLine(g, start, leadingBottomY + (i == 0 ? adjustY : 0), start, leadingTopY, rounded);
if ((i + 2) < leadingRanges.size()) {
drawLine(g, start, leadingTopY, end, leadingTopY, rounded);
drawLine(g, end, leadingTopY, end, leadingBottomY, rounded);
}
}
end = Math.max(end, maxWidth);
drawLine(g, start, leadingTopY, end, leadingTopY, rounded);
drawLine(g, end, leadingTopY, end, trailingTopY - 1, rounded);
float targetX = trailingRanges.get(trailingRanges.size() - 1);
drawLine(g, end, trailingTopY - 1, targetX, trailingTopY - 1, rounded);
adjustY =
end == targetX
? -2
: -1; // for lastX == targetX we need to avoid a gap when rounding is used
for (int i = trailingRanges.size() - 2; i >= 0; i -= 2) {
start = trailingRanges.get(i);
end = trailingRanges.get(i + 1);
drawLine(g, end, trailingTopY + (i == 0 ? adjustY : 0), end, trailingBottomY, rounded);
drawLine(g, end, trailingBottomY, start, trailingBottomY, rounded);
drawLine(g, start, trailingBottomY, start, trailingTopY, rounded);
if (i > 0) {
drawLine(g, start, trailingTopY, trailingRanges.get(i - 1), trailingTopY, rounded);
}
}
float lastX = start;
if (containsInnerLines) {
if (start > 0) {
drawLine(g, start, trailingTopY, start, trailingTopY - 1, rounded);
drawLine(g, start, trailingTopY - 1, 0, trailingTopY - 1, rounded);
drawLine(g, 0, trailingTopY - 1, 0, leadingBottomY + 1, rounded);
} else {
drawLine(g, start, trailingTopY, 0, leadingBottomY + 1, rounded);
}
lastX = 0;
}
targetX = leadingRanges.get(0);
if (lastX < targetX) {
drawLine(g, lastX, leadingBottomY + 1, targetX, leadingBottomY + 1, rounded);
} else {
drawLine(g, lastX, leadingBottomY + 1, lastX, leadingBottomY, rounded);
drawLine(g, lastX, leadingBottomY, targetX, leadingBottomY, rounded);
}
}
}
}
private void paintTextWithEffects(
Graphics2D g, Rectangle clip, int startVisualLine, int endVisualLine) {
final CharSequence text = myDocument.getImmutableCharSequence();
final EditorImpl.LineWhitespacePaintingStrategy whitespacePaintingStrategy =
myEditor.new LineWhitespacePaintingStrategy();
int lineCount = myEditor.getVisibleLineCount();
for (int visualLine = startVisualLine; visualLine <= endVisualLine; visualLine++) {
int y = myView.visualLineToY(visualLine) + myView.getAscent();
LineLayout prefixLayout = myView.getPrefixLayout();
if (visualLine == 0 && prefixLayout != null) {
g.setColor(myView.getPrefixAttributes().getForegroundColor());
paintLineLayoutWithEffect(
g,
prefixLayout,
0,
y,
myView.getPrefixAttributes().getEffectColor(),
myView.getPrefixAttributes().getEffectType());
}
if (visualLine >= lineCount) break;
final int[] currentLogicalLine = new int[] {-1};
paintLineFragments(
g,
clip,
visualLine,
y,
new LineFragmentPainter() {
@Override
public void paintBeforeLineStart(
Graphics2D g, TextAttributes attributes, int columnEnd, float xEnd, int y) {
SoftWrapModelImpl softWrapModel = myEditor.getSoftWrapModel();
int symbolWidth =
softWrapModel.getMinDrawingWidthInPixels(SoftWrapDrawingType.AFTER_SOFT_WRAP);
softWrapModel.paint(
g,
SoftWrapDrawingType.AFTER_SOFT_WRAP,
(int) xEnd - symbolWidth,
y - myView.getAscent(),
myView.getLineHeight());
}
@Override
public void paint(
Graphics2D g,
VisualLineFragmentsIterator.Fragment fragment,
int start,
int end,
TextAttributes attributes,
float xStart,
float xEnd,
int y) {
if (attributes != null && attributes.getForegroundColor() != null) {
g.setColor(attributes.getForegroundColor());
fragment.draw(g, xStart, y, start, end);
}
if (fragment.getCurrentFoldRegion() == null) {
int logicalLine = fragment.getStartLogicalLine();
if (logicalLine != currentLogicalLine[0]) {
whitespacePaintingStrategy.update(
text,
myDocument.getLineStartOffset(logicalLine),
myDocument.getLineEndOffset(logicalLine));
currentLogicalLine[0] = logicalLine;
}
paintWhitespace(
g, text, xStart, y, start, end, whitespacePaintingStrategy, fragment);
}
if (attributes != null
&& hasTextEffect(attributes.getEffectColor(), attributes.getEffectType())) {
paintTextEffect(
g, xStart, xEnd, y, attributes.getEffectColor(), attributes.getEffectType());
}
}
@Override
public void paintAfterLineEnd(
Graphics2D g,
Rectangle clip,
IterationState iterationState,
int columnStart,
float x,
int y) {
int offset = iterationState.getEndOffset();
SoftWrapModelImpl softWrapModel = myEditor.getSoftWrapModel();
if (softWrapModel.getSoftWrap(offset) == null) {
int logicalLine = myDocument.getLineNumber(offset);
paintLineExtensions(g, logicalLine, x, y);
} else {
softWrapModel.paint(
g,
SoftWrapDrawingType.BEFORE_SOFT_WRAP_LINE_FEED,
(int) x,
y - myView.getAscent(),
myView.getLineHeight());
}
}
});
}
}