private static void duplicateHighlighters(
MarkupModel to, MarkupModel from, int offset, TextRange textRange) {
for (RangeHighlighter rangeHighlighter : from.getAllHighlighters()) {
if (!rangeHighlighter.isValid()) continue;
Object tooltip = rangeHighlighter.getErrorStripeTooltip();
HighlightInfo highlightInfo =
tooltip instanceof HighlightInfo ? (HighlightInfo) tooltip : null;
if (highlightInfo != null) {
if (highlightInfo.getSeverity() != HighlightSeverity.INFORMATION) continue;
if (highlightInfo.type.getAttributesKey() == EditorColors.IDENTIFIER_UNDER_CARET_ATTRIBUTES)
continue;
}
final int localOffset = textRange.getStartOffset();
final int start = Math.max(rangeHighlighter.getStartOffset(), localOffset) - localOffset;
final int end =
Math.min(rangeHighlighter.getEndOffset(), textRange.getEndOffset()) - localOffset;
if (start > end) continue;
final RangeHighlighter h =
to.addRangeHighlighter(
start + offset,
end + offset,
rangeHighlighter.getLayer(),
rangeHighlighter.getTextAttributes(),
rangeHighlighter.getTargetArea());
((RangeHighlighterEx) h)
.setAfterEndOfLine(((RangeHighlighterEx) rangeHighlighter).isAfterEndOfLine());
}
}
@Override
public void layoutContainer(final Container parent) {
final int componentCount = parent.getComponentCount();
if (componentCount == 0) return;
final EditorEx history = myHistoryViewer;
final EditorEx editor = componentCount == 2 ? myConsoleEditor : null;
if (editor == null) {
parent.getComponent(0).setBounds(parent.getBounds());
return;
}
final Dimension panelSize = parent.getSize();
if (panelSize.getHeight() <= 0) return;
final Dimension historySize = history.getContentSize();
final Dimension editorSize = editor.getContentSize();
final Dimension newEditorSize = new Dimension();
// deal with width
final int width = Math.max(editorSize.width, historySize.width);
newEditorSize.width = width + editor.getScrollPane().getHorizontalScrollBar().getHeight();
history.getSoftWrapModel().forceAdditionalColumnsUsage();
editor
.getSettings()
.setAdditionalColumnsCount(
2 + (width - editorSize.width) / EditorUtil.getSpaceWidth(Font.PLAIN, editor));
history
.getSettings()
.setAdditionalColumnsCount(
2 + (width - historySize.width) / EditorUtil.getSpaceWidth(Font.PLAIN, history));
// deal with height
if (historySize.width == 0) historySize.height = 0;
final int minHistorySize =
historySize.height > 0
? 2 * history.getLineHeight() + (myShowSeparatorLine ? SEPARATOR_THICKNESS : 0)
: 0;
final int minEditorSize = editor.isViewer() ? 0 : editor.getLineHeight();
final int editorPreferred =
editor.isViewer() ? 0 : Math.max(minEditorSize, editorSize.height);
final int historyPreferred = Math.max(minHistorySize, historySize.height);
if (panelSize.height < minEditorSize) {
newEditorSize.height = panelSize.height;
} else if (panelSize.height < editorPreferred) {
newEditorSize.height = panelSize.height - minHistorySize;
} else if (panelSize.height < editorPreferred + historyPreferred) {
newEditorSize.height = editorPreferred;
} else {
newEditorSize.height = editorPreferred == 0 ? 0 : panelSize.height - historyPreferred;
}
final Dimension newHistorySize =
new Dimension(width, panelSize.height - newEditorSize.height);
// apply
editor
.getComponent()
.setBounds(0, newHistorySize.height, panelSize.width, newEditorSize.height);
myForceScrollToEnd.compareAndSet(false, shouldScrollHistoryToEnd());
history.getComponent().setBounds(0, 0, panelSize.width, newHistorySize.height);
}
private int wrapPositionForTabbedTextWithOptimization(
@NotNull CharSequence text,
int tabSize,
int startLineOffset,
int endLineOffset,
int targetRangeEndOffset) {
int width = 0;
int symbolWidth;
int result = Integer.MAX_VALUE;
boolean wrapLine = false;
for (int i = startLineOffset; i < Math.min(endLineOffset, targetRangeEndOffset); i++) {
char c = text.charAt(i);
switch (c) {
case '\t':
symbolWidth = tabSize - (width % tabSize);
break;
default:
symbolWidth = 1;
}
if (width + symbolWidth + FormatConstants.RESERVED_LINE_WRAP_WIDTH_IN_COLUMNS
>= mySettings.RIGHT_MARGIN
&& (Math.min(endLineOffset, targetRangeEndOffset) - i)
>= FormatConstants.RESERVED_LINE_WRAP_WIDTH_IN_COLUMNS) {
// Remember preferred position.
result = i - 1;
}
if (width + symbolWidth >= mySettings.RIGHT_MARGIN) {
wrapLine = true;
break;
}
width += symbolWidth;
}
return wrapLine ? result : -1;
}
private static void restoreBlockSelection(
Editor editor, List<RangeMarker> caretsAfter, int caretLine) {
int column = -1;
int minLine = Integer.MAX_VALUE;
int maxLine = -1;
for (RangeMarker marker : caretsAfter) {
if (marker.isValid()) {
LogicalPosition lp = editor.offsetToLogicalPosition(marker.getStartOffset());
if (column == -1) {
column = lp.column;
} else if (column != lp.column) {
return;
}
minLine = Math.min(minLine, lp.line);
maxLine = Math.max(maxLine, lp.line);
if (lp.line == caretLine) {
editor.getCaretModel().moveToLogicalPosition(lp);
}
}
}
editor
.getSelectionModel()
.setBlockSelection(
new LogicalPosition(minLine, column), new LogicalPosition(maxLine, column));
}
int getPreferredHeight() {
int lineHeight = myView.getLineHeight();
if (myEditor.isOneLineMode()) return lineHeight;
// Preferred height of less than a single line height doesn't make sense:
// at least a single line with a blinking caret on it is to be displayed
int size = Math.max(myEditor.getVisibleLineCount(), 1) * lineHeight;
EditorSettings settings = myEditor.getSettings();
if (settings.isAdditionalPageAtBottom()) {
int visibleAreaHeight = myEditor.getScrollingModel().getVisibleArea().height;
// There is a possible case that user with 'show additional page at bottom' scrolls to that
// virtual page; switched to another
// editor (another tab); and then returns to the previously used editor (the one scrolled to
// virtual page). We want to preserve
// correct view size then because viewport position is set to the end of the original text
// otherwise.
if (visibleAreaHeight > 0 || myVirtualPageHeight <= 0) {
myVirtualPageHeight = Math.max(visibleAreaHeight - 2 * lineHeight, lineHeight);
}
size += Math.max(myVirtualPageHeight, 0);
} else {
size += settings.getAdditionalLinesCount() * lineHeight;
}
Insets insets = myView.getInsets();
return size + insets.top + insets.bottom;
}
/**
* Returns a list of pairs of x coordinates for visual ranges representing given logical range. If
* <code>startOffset == endOffset</code>, a pair of equal numbers is returned, corresponding to
* target position. Target offsets are supposed to be located on the same visual line.
*/
private TFloatArrayList logicalRangeToVisualRanges(int startOffset, int endOffset) {
assert startOffset <= endOffset;
TFloatArrayList result = new TFloatArrayList();
for (VisualLineFragmentsIterator.Fragment fragment :
VisualLineFragmentsIterator.create(myView, startOffset, false)) {
int minOffset = fragment.getMinOffset();
int maxOffset = fragment.getMaxOffset();
if (startOffset == endOffset) {
if (startOffset >= minOffset && startOffset <= maxOffset) {
float x = fragment.offsetToX(startOffset);
result.add(x);
result.add(x);
break;
}
} else if (startOffset < maxOffset && endOffset > minOffset) {
float x1 = fragment.offsetToX(Math.max(minOffset, startOffset));
float x2 = fragment.offsetToX(Math.min(maxOffset, endOffset));
if (x1 > x2) {
float tmp = x1;
x1 = x2;
x2 = tmp;
}
if (result.isEmpty() || x1 > result.get(result.size() - 1)) {
result.add(x1);
result.add(x2);
} else {
result.set(result.size() - 1, x2);
}
}
}
return result;
}
@Override
public void onFoldRegionStateChange(@NotNull FoldRegion region) {
if (myDocument.isInBulkUpdate()) return;
if (region.isValid()) {
myFoldingChangeStartOffset = Math.min(myFoldingChangeStartOffset, region.getStartOffset());
myFoldingChangeEndOffset = Math.max(myFoldingChangeEndOffset, region.getEndOffset());
}
}
public void documentChanged(DocumentEvent e) {
finishUpdate();
DocumentEventImpl event = (DocumentEventImpl) e;
final Document document = myEditor.getDocument();
boolean performSoftWrapAdjustment =
e.getNewLength() > 0 // We want to put caret just after the last added symbol
// There is a possible case that the user removes text just before the soft wrap. We
// want to keep caret
// on a visual line with soft wrap start then.
|| myEditor.getSoftWrapModel().getSoftWrap(e.getOffset()) != null;
if (event.isWholeTextReplaced()) {
int newLength = document.getTextLength();
if (myOffset == newLength - e.getNewLength() + e.getOldLength() || newLength == 0) {
moveToOffset(newLength, performSoftWrapAdjustment);
} else {
final int line;
try {
line = event.translateLineViaDiff(myLogicalCaret.line);
moveToLogicalPosition(
new LogicalPosition(line, myLogicalCaret.column), performSoftWrapAdjustment);
} catch (FilesTooBigForDiffException e1) {
LOG.info(e1);
moveToOffset(0);
}
}
} else {
if (document instanceof DocumentEx && ((DocumentEx) document).isInBulkUpdate()) return;
int startOffset = e.getOffset();
int oldEndOffset = startOffset + e.getOldLength();
int newOffset = myOffset;
if (myOffset > oldEndOffset || myOffset == oldEndOffset && needToShiftWhiteSpaces(e)) {
newOffset += e.getNewLength() - e.getOldLength();
} else if (myOffset >= startOffset && myOffset <= oldEndOffset) {
newOffset = Math.min(newOffset, startOffset + e.getNewLength());
}
newOffset = Math.min(newOffset, document.getTextLength());
// if (newOffset != myOffset) {
moveToOffset(newOffset, performSoftWrapAdjustment);
// }
// else {
// moveToVisualPosition(oldPosition);
// }
}
myVisualLineStart =
myEditor.logicalPositionToOffset(
myEditor.visualToLogicalPosition(new VisualPosition(myVisibleCaret.line, 0)));
myVisualLineEnd =
myEditor.logicalPositionToOffset(
myEditor.visualToLogicalPosition(new VisualPosition(myVisibleCaret.line + 1, 0)));
}
void invalidateRange(int startOffset, int endOffset) {
if (myDocument.isInBulkUpdate()) return;
if (myDocument.isInEventsHandling()) {
myDocumentChangeStartOffset = Math.min(myDocumentChangeStartOffset, startOffset);
myDocumentChangeEndOffset = Math.max(myDocumentChangeEndOffset, endOffset);
} else if (myFoldingChangeEndOffset != Integer.MIN_VALUE) {
// during batch folding processing we delay invalidation requests, as we cannot perform
// coordinate conversions immediately
myFoldingChangeStartOffset = Math.min(myFoldingChangeStartOffset, startOffset);
myFoldingChangeEndOffset = Math.max(myFoldingChangeEndOffset, endOffset);
} else {
doInvalidateRange(startOffset, endOffset);
}
}
private boolean isWhiteSpaceOrComment(@NotNull PsiElement element, @NotNull TextRange range) {
final TextRange textRange = element.getTextRange();
TextRange intersection = range.intersection(textRange);
if (intersection == null) {
return false;
}
intersection =
TextRange.create(
Math.max(intersection.getStartOffset() - textRange.getStartOffset(), 0),
Math.min(
intersection.getEndOffset() - textRange.getStartOffset(), textRange.getLength()));
return isWhiteSpaceOrComment(element)
|| intersection.substring(element.getText()).trim().length() == 0;
}
private VerticalInfo createVerticalInfo(LogicalPosition position) {
Document document = myEditor.getDocument();
int logicalLine = position.line;
if (logicalLine >= document.getLineCount()) {
logicalLine = Math.max(0, document.getLineCount() - 1);
}
int startOffset = document.getLineStartOffset(logicalLine);
int endOffset = document.getLineEndOffset(logicalLine);
// There is a possible case that active logical line is represented on multiple lines due to
// soft wraps processing.
// We want to highlight those visual lines as 'active' then, so, we calculate 'y' position for
// the logical line start
// and height in accordance with the number of occupied visual lines.
VisualPosition visualPosition =
myEditor.offsetToVisualPosition(document.getLineStartOffset(logicalLine));
int y = myEditor.visualPositionToXY(visualPosition).y;
int lineHeight = myEditor.getLineHeight();
int height = lineHeight;
List<? extends SoftWrap> softWraps =
myEditor.getSoftWrapModel().getSoftWrapsForRange(startOffset, endOffset);
for (SoftWrap softWrap : softWraps) {
height += StringUtil.countNewLines(softWrap.getText()) * lineHeight;
}
return new VerticalInfo(y, height);
}
int getVisualLineWidth(
VisualLinesIterator visualLinesIterator, @Nullable Runnable quickEvaluationListener) {
assert !visualLinesIterator.atEnd();
int visualLine = visualLinesIterator.getVisualLine();
FoldRegion[] topLevelRegions = myEditor.getFoldingModel().fetchTopLevel();
if (quickEvaluationListener != null
&& (topLevelRegions == null || topLevelRegions.length == 0)
&& myEditor.getSoftWrapModel().getRegisteredSoftWraps().isEmpty()
&& !myView.getTextLayoutCache().hasCachedLayoutFor(visualLine)) {
// fast path - speeds up editor opening
quickEvaluationListener.run();
return myView
.getLogicalPositionCache()
.offsetToLogicalColumn(
visualLine,
myDocument.getLineEndOffset(visualLine)
- myDocument.getLineStartOffset(visualLine))
* myView.getMaxCharWidth();
}
float x = 0;
int maxOffset = visualLinesIterator.getVisualLineStartOffset();
for (VisualLineFragmentsIterator.Fragment fragment :
VisualLineFragmentsIterator.create(myView, visualLinesIterator, quickEvaluationListener)) {
x = fragment.getEndX();
maxOffset = Math.max(maxOffset, fragment.getMaxOffset());
}
if (myEditor.getSoftWrapModel().getSoftWrap(maxOffset) != null) {
x +=
myEditor
.getSoftWrapModel()
.getMinDrawingWidthInPixels(SoftWrapDrawingType.BEFORE_SOFT_WRAP_LINE_FEED);
}
return (int) x;
}
public void testRangeHighlighterLinesInRangeForLongLinePerformance() throws Exception {
final int N = 50000;
Document document =
EditorFactory.getInstance().createDocument(StringUtil.repeatSymbol('x', 2 * N));
final MarkupModelEx markupModel =
(MarkupModelEx) DocumentMarkupModel.forDocument(document, ourProject, true);
for (int i = 0; i < N - 1; i++) {
markupModel.addRangeHighlighter(2 * i, 2 * i + 1, 0, null, HighlighterTargetArea.EXACT_RANGE);
}
markupModel.addRangeHighlighter(
N / 2, N / 2 + 1, 0, null, HighlighterTargetArea.LINES_IN_RANGE);
PlatformTestUtil.startPerformanceTest(
"slow highlighters lookup",
(int) (N * Math.log(N) / 1000),
new ThrowableRunnable() {
@Override
public void run() {
List<RangeHighlighterEx> list = new ArrayList<RangeHighlighterEx>();
CommonProcessors.CollectProcessor<RangeHighlighterEx> coll =
new CommonProcessors.CollectProcessor<RangeHighlighterEx>(list);
for (int i = 0; i < N - 1; i++) {
list.clear();
markupModel.processRangeHighlightersOverlappingWith(2 * i, 2 * i + 1, coll);
assertEquals(2, list.size()); // 1 line plus one exact range marker
}
}
})
.assertTiming();
}
@Override
public int compare(IteratorWrapper o1, IteratorWrapper o2) {
if (o1 == null) {
return 1;
}
if (o2 == null) {
return -1;
}
int startDiff =
Math.max(o1.iterator.getRangeStart(), myCurrentEnd)
- Math.max(o2.iterator.getRangeStart(), myCurrentEnd);
if (startDiff != 0) {
return startDiff;
}
return o2.order - o1.order;
}
public boolean fillInCommonPrefix(boolean explicitlyInvoked) {
if (explicitlyInvoked) {
setFocusDegree(FocusDegree.FOCUSED);
}
if (explicitlyInvoked && myCalculating) return false;
if (!explicitlyInvoked && mySelectionTouched) return false;
ListModel listModel = getListModel();
if (listModel.getSize() <= 1) return false;
if (listModel.getSize() == 0) return false;
final LookupElement firstItem = (LookupElement) listModel.getElementAt(0);
if (listModel.getSize() == 1 && firstItem instanceof EmptyLookupItem) return false;
final PrefixMatcher firstItemMatcher = itemMatcher(firstItem);
final String oldPrefix = firstItemMatcher.getPrefix();
final String presentPrefix = oldPrefix + getAdditionalPrefix();
String commonPrefix = getCaseCorrectedLookupString(firstItem);
for (int i = 1; i < listModel.getSize(); i++) {
LookupElement item = (LookupElement) listModel.getElementAt(i);
if (item instanceof EmptyLookupItem) return false;
if (!oldPrefix.equals(itemMatcher(item).getPrefix())) return false;
final String lookupString = getCaseCorrectedLookupString(item);
final int length = Math.min(commonPrefix.length(), lookupString.length());
if (length < commonPrefix.length()) {
commonPrefix = commonPrefix.substring(0, length);
}
for (int j = 0; j < length; j++) {
if (commonPrefix.charAt(j) != lookupString.charAt(j)) {
commonPrefix = lookupString.substring(0, j);
break;
}
}
if (commonPrefix.length() == 0 || commonPrefix.length() < presentPrefix.length()) {
return false;
}
}
if (commonPrefix.equals(presentPrefix)) {
return false;
}
for (int i = 0; i < listModel.getSize(); i++) {
LookupElement item = (LookupElement) listModel.getElementAt(i);
if (!itemMatcher(item).cloneWithPrefix(commonPrefix).prefixMatches(item)) {
return false;
}
}
myOffsets.setInitialPrefix(presentPrefix, explicitlyInvoked);
replacePrefix(presentPrefix, commonPrefix);
return true;
}
private void paintVirtualSelectionIfNecessary(
Graphics2D g,
Map<Integer, Couple<Integer>> virtualSelectionMap,
int columnStart,
float xStart,
float xEnd,
int y) {
int visualLine = myView.yToVisualLine(y);
Couple<Integer> selectionRange = virtualSelectionMap.get(visualLine);
if (selectionRange == null || selectionRange.second <= columnStart) return;
float startX =
selectionRange.first <= columnStart
? xStart
: myView.visualPositionToXY(new VisualPosition(visualLine, selectionRange.first)).x;
float endX =
Math.min(
xEnd,
myView.visualPositionToXY(new VisualPosition(visualLine, selectionRange.second)).x);
paintBackground(
g,
myEditor.getColorsScheme().getColor(EditorColors.SELECTION_BACKGROUND_COLOR),
startX,
y,
endX - startX);
}
@Override
public void advance() {
int max = overlappingRangesCount == 0 ? myIterators.length : overlappingRangesCount;
for (int i = 0; i < max; i++) {
IteratorWrapper wrapper = myIterators[i];
if (wrapper == null) {
continue;
}
RangeIterator iterator = wrapper.iterator;
if (overlappingRangesCount > 0 && iterator.getRangeEnd() > myCurrentEnd) {
continue;
}
if (iterator.atEnd()) {
iterator.dispose();
myIterators[i] = null;
} else {
iterator.advance();
}
}
Arrays.sort(myIterators, RANGE_SORTER);
myCurrentStart = Math.max(myIterators[0].iterator.getRangeStart(), myCurrentEnd);
myCurrentEnd = Integer.MAX_VALUE;
//noinspection ForLoopReplaceableByForEach
for (int i = 0; i < myIterators.length; i++) {
IteratorWrapper wrapper = myIterators[i];
if (wrapper == null) {
break;
}
RangeIterator iterator = wrapper.iterator;
int nearestBound;
if (iterator.getRangeStart() > myCurrentStart) {
nearestBound = iterator.getRangeStart();
} else {
nearestBound = iterator.getRangeEnd();
}
myCurrentEnd = Math.min(myCurrentEnd, nearestBound);
}
myCurrentEnd = getRangeEnd();
for (overlappingRangesCount = 1;
overlappingRangesCount < myIterators.length;
overlappingRangesCount++) {
IteratorWrapper wrapper = myIterators[overlappingRangesCount];
if (wrapper == null || wrapper.iterator.getRangeStart() > myCurrentStart) {
break;
}
}
}
private void onSoftWrapRecalculationEnd(IncrementalCacheUpdateEvent event) {
if (myDocument.isInBulkUpdate()) return;
boolean invalidate = true;
if (myEditor.getFoldingModel().isInBatchFoldingOperation()) {
myFoldingChangeStartOffset = Math.min(myFoldingChangeStartOffset, event.getStartOffset());
myFoldingChangeEndOffset = Math.max(myFoldingChangeEndOffset, event.getActualEndOffset());
invalidate = false;
}
if (myDocument.isInEventsHandling()) {
myDocumentChangeStartOffset = Math.min(myDocumentChangeStartOffset, event.getStartOffset());
myDocumentChangeEndOffset = Math.max(myDocumentChangeEndOffset, event.getActualEndOffset());
invalidate = false;
}
if (invalidate) {
doInvalidateRange(event.getStartOffset(), event.getActualEndOffset());
}
}
private int getPreferredWidth() {
if (myWidthInPixels < 0) {
assert !myDocument.isInBulkUpdate();
myWidthInPixels = calculatePreferredWidth();
}
validateMaxLineWithExtension();
return Math.max(myWidthInPixels, myMaxLineWithExtensionWidth);
}
private void updateLookupWidth(LookupElement item, LookupElementPresentation presentation) {
final Font customFont = myCellRenderer.getFontAbleToDisplay(presentation);
if (customFont != null) {
myCustomFonts.put(item, customFont);
}
int maxWidth = myCellRenderer.updateMaximumWidth(presentation, item);
myLookupTextWidth = Math.max(maxWidth, myLookupTextWidth);
}
private void findNextSuitableRange() {
myNextAttributes = null;
while (myIterator.hasNext()) {
RangeHighlighterEx highlighter = myIterator.next();
if (highlighter == null
|| !highlighter.isValid()
|| !isInterestedInLayer(highlighter.getLayer())) {
continue;
}
// LINES_IN_RANGE highlighters are not supported currently
myNextStart = Math.max(highlighter.getStartOffset(), myStartOffset);
myNextEnd = Math.min(highlighter.getEndOffset(), myEndOffset);
if (myNextStart >= myEndOffset) {
break;
}
if (myNextStart < myCurrentEnd) {
continue; // overlapping ranges withing document markup model are not supported currently
}
TextAttributes attributes = null;
Object tooltip = highlighter.getErrorStripeTooltip();
if (tooltip instanceof HighlightInfo) {
HighlightInfo info = (HighlightInfo) tooltip;
TextAttributesKey key = info.forcedTextAttributesKey;
if (key == null) {
HighlightInfoType type = info.type;
key = type.getAttributesKey();
}
if (key != null) {
attributes = myColorsScheme.getAttributes(key);
}
}
if (attributes == null) {
continue;
}
Color foreground = attributes.getForegroundColor();
Color background = attributes.getBackgroundColor();
if ((foreground == null || myDefaultForeground.equals(foreground))
&& (background == null || myDefaultBackground.equals(background))
&& attributes.getFontType() == Font.PLAIN) {
continue;
}
myNextAttributes = attributes;
break;
}
}
private void paintCaret(Graphics2D g_) {
EditorImpl.CaretRectangle[] locations = myEditor.getCaretLocations(true);
if (locations == null) return;
Graphics2D g = IdeBackgroundUtil.getOriginalGraphics(g_);
int lineHeight = myView.getLineHeight();
EditorSettings settings = myEditor.getSettings();
Color caretColor = myEditor.getColorsScheme().getColor(EditorColors.CARET_COLOR);
if (caretColor == null) caretColor = new JBColor(CARET_DARK, CARET_LIGHT);
g.setColor(caretColor);
for (EditorImpl.CaretRectangle location : locations) {
int x = location.myPoint.x;
int y = location.myPoint.y;
Caret caret = location.myCaret;
boolean isRtl = location.myIsRtl;
if (myEditor.isInsertMode() != settings.isBlockCursor()) {
int lineWidth = JBUI.scale(settings.getLineCursorWidth());
g.fillRect(x, y, lineWidth, lineHeight);
if (myDocument.getTextLength() > 0
&& caret != null
&& !myView.getLineLayout(caret.getLogicalPosition().line).isLtr()) {
g.fillPolygon(
new int[] {
isRtl ? x + lineWidth : x,
isRtl ? x + lineWidth - CARET_DIRECTION_MARK_SIZE : x + CARET_DIRECTION_MARK_SIZE,
isRtl ? x + lineWidth : x
},
new int[] {y, y, y + CARET_DIRECTION_MARK_SIZE},
3);
}
} else {
int width = location.myWidth;
int startX = Math.max(0, isRtl ? x - width : x);
g.fillRect(startX, y, width, lineHeight - 1);
if (myDocument.getTextLength() > 0 && caret != null) {
int targetVisualColumn = caret.getVisualPosition().column;
for (VisualLineFragmentsIterator.Fragment fragment :
VisualLineFragmentsIterator.create(myView, caret.getVisualLineStart(), false)) {
int startVisualColumn = fragment.getStartVisualColumn();
int endVisualColumn = fragment.getEndVisualColumn();
if (startVisualColumn < targetVisualColumn && endVisualColumn > targetVisualColumn
|| startVisualColumn == targetVisualColumn && !isRtl
|| endVisualColumn == targetVisualColumn && isRtl) {
g.setColor(ColorUtil.isDark(caretColor) ? CARET_LIGHT : CARET_DARK);
fragment.draw(
g,
startX,
y + myView.getAscent(),
targetVisualColumn - startVisualColumn - (isRtl ? 1 : 0),
targetVisualColumn - startVisualColumn + (isRtl ? 0 : 1));
break;
}
}
}
}
}
}
private int wrapPositionForTextWithoutTabs(
int startLineOffset, int endLineOffset, int targetRangeEndOffset) {
if (Math.min(endLineOffset, targetRangeEndOffset) - startLineOffset > mySettings.RIGHT_MARGIN) {
return startLineOffset
+ mySettings.RIGHT_MARGIN
- FormatConstants.RESERVED_LINE_WRAP_WIDTH_IN_COLUMNS;
}
return -1;
}
private boolean isLineEmpty(final int line) {
final CharSequence chars = myDocument.getCharsSequence();
int start = myDocument.getLineStartOffset(line);
int end = Math.min(myDocument.getLineEndOffset(line), myDocument.getTextLength() - 1);
for (int i = start; i <= end; i++) {
if (!Character.isWhitespace(chars.charAt(i))) return false;
}
return true;
}
public int getEndOffset(@NotNull FoldingGroup group) {
final List<FoldRegion> regions = getGroupedRegions(group);
int endOffset = 0;
for (FoldRegion region : regions) {
if (region.isValid()) {
endOffset = Math.max(endOffset, region.getEndOffset());
}
}
return endOffset;
}
private void paintComposedTextDecoration(Graphics2D g) {
TextRange composedTextRange = myEditor.getComposedTextRange();
if (composedTextRange != null) {
Point p1 =
myView.offsetToXY(
Math.min(composedTextRange.getStartOffset(), myDocument.getTextLength()),
true,
false);
Point p2 =
myView.offsetToXY(
Math.min(composedTextRange.getEndOffset(), myDocument.getTextLength()), false, true);
int y = p1.y + myView.getAscent() + 1;
g.setStroke(IME_COMPOSED_TEXT_UNDERLINE_STROKE);
g.setColor(myEditor.getColorsScheme().getDefaultForeground());
UIUtil.drawLine(g, p1.x, y, p2.x, y);
}
}
private int wrapPositionForTabbedTextWithoutOptimization(
@NotNull Editor editor,
@NotNull CharSequence text,
int spaceSize,
int startLineOffset,
int endLineOffset,
int targetRangeEndOffset) {
int width = 0;
int x = 0;
int newX;
int symbolWidth;
int result = Integer.MAX_VALUE;
boolean wrapLine = false;
for (int i = startLineOffset; i < Math.min(endLineOffset, targetRangeEndOffset); i++) {
char c = text.charAt(i);
switch (c) {
case '\t':
newX = EditorUtil.nextTabStop(x, editor);
int diffInPixels = newX - x;
symbolWidth = diffInPixels / spaceSize;
if (diffInPixels % spaceSize > 0) {
symbolWidth++;
}
break;
default:
newX = x + EditorUtil.charWidth(c, Font.PLAIN, editor);
symbolWidth = 1;
}
if (width + symbolWidth + FormatConstants.RESERVED_LINE_WRAP_WIDTH_IN_COLUMNS
>= mySettings.RIGHT_MARGIN
&& (Math.min(endLineOffset, targetRangeEndOffset) - i)
>= FormatConstants.RESERVED_LINE_WRAP_WIDTH_IN_COLUMNS) {
result = i - 1;
}
if (width + symbolWidth >= mySettings.RIGHT_MARGIN) {
wrapLine = true;
break;
}
x = newX;
width += symbolWidth;
}
return wrapLine ? result : -1;
}
private int calculatePreferredWidth() {
if (checkDirty()) return 1;
assertValidState();
VisualLinesIterator iterator = new VisualLinesIterator(myView, 0);
int maxWidth = 0;
while (!iterator.atEnd()) {
int visualLine = iterator.getVisualLine();
int width = myLineWidths.get(visualLine);
if (width == UNKNOWN_WIDTH) {
final Ref<Boolean> approximateValue = new Ref<Boolean>(Boolean.FALSE);
width = getVisualLineWidth(iterator, () -> approximateValue.set(Boolean.TRUE));
if (approximateValue.get()) width = -width;
myLineWidths.set(visualLine, width);
}
maxWidth = Math.max(maxWidth, Math.abs(width));
iterator.advance();
}
return maxWidth;
}
private void updateListHeight(ListModel model) {
myList.setFixedCellHeight(
myCellRenderer
.getListCellRendererComponent(myList, model.getElementAt(0), 0, false, false)
.getPreferredSize()
.height);
myList.setVisibleRowCount(
Math.min(model.getSize(), UISettings.getInstance().MAX_LOOKUP_LIST_HEIGHT));
}
void repaintCarets() {
EditorImpl.CaretRectangle[] locations = myEditor.getCaretLocations(false);
if (locations == null) return;
int lineHeight = myView.getLineHeight();
for (EditorImpl.CaretRectangle location : locations) {
int x = location.myPoint.x;
int y = location.myPoint.y;
int width = Math.max(location.myWidth, CARET_DIRECTION_MARK_SIZE);
myEditor.getContentComponent().repaintEditorComponent(x - width, y, width * 2, lineHeight);
}
}