private void paintRightMargin(Graphics g, Rectangle clip) {
EditorSettings settings = myEditor.getSettings();
Color rightMargin = myEditor.getColorsScheme().getColor(EditorColors.RIGHT_MARGIN_COLOR);
if (!settings.isRightMarginShown() || rightMargin == null) return;
int x = settings.getRightMargin(myEditor.getProject()) * myView.getPlainSpaceWidth();
g.setColor(rightMargin);
UIUtil.drawLine(g, x, clip.y, x, clip.y + clip.height);
}
private void paintHighlighterAfterEndOfLine(Graphics2D g, RangeHighlighterEx highlighter) {
if (!highlighter.isAfterEndOfLine()) {
return;
}
int startOffset = highlighter.getStartOffset();
int lineEndOffset = myDocument.getLineEndOffset(myDocument.getLineNumber(startOffset));
if (myEditor.getFoldingModel().isOffsetCollapsed(lineEndOffset)) return;
Point lineEnd = myView.offsetToXY(lineEndOffset, true, false);
int x = lineEnd.x;
int y = lineEnd.y;
TextAttributes attributes = highlighter.getTextAttributes();
paintBackground(g, attributes, x, y, myView.getPlainSpaceWidth());
if (attributes != null
&& hasTextEffect(attributes.getEffectColor(), attributes.getEffectType())) {
paintTextEffect(
g,
x,
x + myView.getPlainSpaceWidth() - 1,
y + myView.getAscent(),
attributes.getEffectColor(),
attributes.getEffectType());
}
}
private void paintWhitespace(
Graphics2D g,
CharSequence text,
float x,
int y,
int start,
int end,
EditorImpl.LineWhitespacePaintingStrategy whitespacePaintingStrategy,
VisualLineFragmentsIterator.Fragment fragment) {
g.setColor(myEditor.getColorsScheme().getColor(EditorColors.WHITESPACES_COLOR));
boolean isRtl = fragment.isRtl();
int baseStartOffset = fragment.getStartOffset();
int startOffset = isRtl ? baseStartOffset - start : baseStartOffset + start;
for (int i = start; i < end; i++) {
int charOffset = isRtl ? baseStartOffset - i - 1 : baseStartOffset + i;
char c = text.charAt(charOffset);
if (" \t\u3000".indexOf(c) >= 0
&& whitespacePaintingStrategy.showWhitespaceAtOffset(charOffset)) {
int startX =
(int)
fragment.offsetToX(
x, startOffset, isRtl ? baseStartOffset - i : baseStartOffset + i);
int endX =
(int)
fragment.offsetToX(
x, startOffset, isRtl ? baseStartOffset - i - 1 : baseStartOffset + i + 1);
if (c == ' ') {
g.fillRect((startX + endX) / 2, y, 1, 1);
} else if (c == '\t') {
endX -= myView.getPlainSpaceWidth() / 4;
int height = myView.getCharHeight();
int halfHeight = height / 2;
int mid = y - halfHeight;
int top = y - height;
UIUtil.drawLine(g, startX, mid, endX, mid);
UIUtil.drawLine(g, endX, y, endX, top);
g.fillPolygon(
new int[] {endX - halfHeight, endX - halfHeight, endX},
new int[] {y, y - height, y - halfHeight},
3);
} else if (c == '\u3000') { // ideographic space
final int charHeight = myView.getCharHeight();
g.drawRect(startX + 2, y - charHeight, endX - startX - 4, charHeight);
}
}
}
}
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);
}
}