private void onTextLayoutPerformed(int startOffset, int endOffset) {
if (checkDirty()) return;
boolean purePaintingMode = myEditor.isPurePaintingMode();
boolean foldingEnabled = myEditor.getFoldingModel().isFoldingEnabled();
myEditor.setPurePaintingMode(false);
myEditor.getFoldingModel().setFoldingEnabled(true);
try {
int startVisualLine = myView.offsetToVisualLine(startOffset, false);
int endVisualLine = myView.offsetToVisualLine(endOffset, true);
boolean sizeInvalidated = false;
for (int i = startVisualLine; i <= endVisualLine; i++) {
if (myLineWidths.get(i) < 0) {
myLineWidths.set(i, UNKNOWN_WIDTH);
sizeInvalidated = true;
}
}
if (sizeInvalidated) {
myWidthInPixels = -1;
myEditor.getContentComponent().revalidate();
}
} finally {
myEditor.setPurePaintingMode(purePaintingMode);
myEditor.getFoldingModel().setFoldingEnabled(foldingEnabled);
}
}
private boolean paintPlaceholderText(Graphics2D g) {
CharSequence hintText = myEditor.getPlaceholder();
EditorComponentImpl editorComponent = myEditor.getContentComponent();
if (myDocument.getTextLength() > 0
|| hintText == null
|| hintText.length() == 0
|| KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner() == editorComponent
&& !myEditor.getShowPlaceholderWhenFocused()) {
return false;
}
hintText =
SwingUtilities.layoutCompoundLabel(
g.getFontMetrics(),
hintText.toString(),
null,
0,
0,
0,
0,
editorComponent.getBounds(),
new Rectangle(),
new Rectangle(),
0);
g.setColor(myEditor.getFoldingModel().getPlaceholderAttributes().getForegroundColor());
g.setFont(myEditor.getColorsScheme().getFont(EditorFontType.PLAIN));
g.drawString(hintText.toString(), 0, myView.getAscent());
return true;
}
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;
}
EditorSizeManager(EditorView view) {
myView = view;
myEditor = view.getEditor();
myDocument = myEditor.getDocument();
myDocument.addDocumentListener(this, this);
myEditor.getFoldingModel().addListener(this, this);
myEditor.getSoftWrapModel().getApplianceManager().addListener(mySoftWrapChangeListener);
}
void textLayoutPerformed(int startOffset, int endOffset) {
if (myDocument.isInBulkUpdate()) return;
if (myEditor.getFoldingModel().isInBatchFoldingOperation()) {
myDeferredRanges.add(new TextRange(startOffset, endOffset));
} else {
onTextLayoutPerformed(startOffset, endOffset);
}
}
private EditorWindow(
@NotNull DocumentWindowImpl documentWindow,
@NotNull final EditorImpl delegate,
@NotNull PsiFile injectedFile,
boolean oneLine) {
myDocumentWindow = documentWindow;
myDelegate = delegate;
myInjectedFile = injectedFile;
myOneLine = oneLine;
myCaretModelDelegate = new CaretModelWindow(myDelegate.getCaretModel(), this);
mySelectionModelDelegate = new SelectionModelWindow(myDelegate, myDocumentWindow, this);
myMarkupModelDelegate =
new MarkupModelWindow((MarkupModelEx) myDelegate.getMarkupModel(), myDocumentWindow);
myFoldingModelWindow = new FoldingModelWindow(delegate.getFoldingModel(), documentWindow, this);
}
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 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 TextAttributes getFoldRegionAttributes(FoldRegion foldRegion) {
TextAttributes foldAttributes = myEditor.getFoldingModel().getPlaceholderAttributes();
TextAttributes selectionAttributes =
isSelected(foldRegion) ? myEditor.getSelectionModel().getTextAttributes() : null;
return mergeAttributes(selectionAttributes, foldAttributes);
}