/*
* @see org.eclipse.jface.text.IPainter#paint(int)
*/
public void paint(int reason) {
IDocument document = fTextViewer.getDocument();
if (document == null) {
deactivate(false);
return;
}
if (!fIsActive) {
fIsActive = true;
fTextWidget.addPaintListener(this);
redrawAll();
} else if (reason == CONFIGURATION || reason == INTERNAL) {
redrawAll();
} else if (reason == TEXT_CHANGE) {
// redraw current line only
try {
IRegion lineRegion =
document.getLineInformationOfOffset(getDocumentOffset(fTextWidget.getCaretOffset()));
int widgetOffset = getWidgetOffset(lineRegion.getOffset());
int charCount = fTextWidget.getCharCount();
int redrawLength = Math.min(lineRegion.getLength(), charCount - widgetOffset);
if (widgetOffset >= 0 && redrawLength > 0) {
fTextWidget.redrawRange(widgetOffset, redrawLength, true);
}
} catch (BadLocationException e) {
// ignore
}
}
}
/*
* @see IPainter#paint(int)
*/
public void paint(int reason) {
if (fViewer == null) {
return;
}
if (fViewer.getDocument() == null) {
deactivate(false);
return;
}
// initialization
if (!fIsActive) {
StyledText textWidget = fViewer.getTextWidget();
textWidget.addLineBackgroundListener(this);
textWidget.addPaintListener(this);
fPositionManager.managePosition(fCurrentLine);
fIsActive = true;
}
// This forces redraw of the line highlight
if (updateHighlightLine()) {
// clear last line
// Fix the background colors for tokens that didn't have the same as line!
if (isOpaque() && !fLastLine.isDeleted() && fViewer instanceof ITextViewerExtension2) {
ITextViewerExtension2 ext = (ITextViewerExtension2) fViewer;
try {
ext.invalidateTextPresentation(fLastLine.getOffset(), fLastLine.getLength());
} catch (Exception e) {
IdeLog.logError(CommonEditorPlugin.getDefault(), e);
}
}
drawHighlightLine(fLastLine);
// draw new line
drawHighlightLine(fCurrentLine);
}
}
/**
* Controls whether the status line will be painted into the parent component.
*
* @param enabled whether the status line will be painted.
*/
public void setEnabled(boolean enabled) {
if (enabled) {
parent.addPaintListener(this);
} else {
parent.removePaintListener(this);
setContent("");
currentRect = null;
}
}
/**
* Installs this highlighter into the specified StyledText object. Client can manually call
* detach() method, then wants to destroy this object.
*/
public void attach(StyledText parent) {
detach();
text = parent;
text.addDisposeListener(ml);
text.addLineStyleListener(ml);
text.addLineBackgroundListener(ml);
text.addPaintListener(ml);
text.addVerifyListener(ml);
text.addExtendedModifyListener(ml);
text.addControlListener(ml);
text.addKeyListener(ml);
text.addTraverseListener(ml);
text.addMouseListener(ml);
text.addSelectionListener(ml);
text.getContent().addTextChangeListener(ml);
ScrollBar sb = text.getVerticalBar();
if (sb != null) sb.addSelectionListener(ml);
updateViewport();
new Thread() {
public void run() {
// setPriority(Thread.NORM_PRIORITY-1);
while (true) {
try {
sleep(300);
} catch (InterruptedException e) {
}
if (baseEditor == null || text == null) break;
if (backParserDelay) {
backParserDelay = false;
try {
sleep(1500);
} catch (InterruptedException e) {
}
continue;
}
;
Display.getDefault()
.syncExec(
new Runnable() {
public void run() {
if (baseEditor == null || text == null) return;
if (text.isDisposed()) return;
// System.out.println(System.currentTimeMillis());
baseEditor.idleJob(80);
// redrawFrom(text.getLineAtOffset(text.getCaretOffset()));
}
});
}
;
};
}.start();
}
public CommandLineUIFactory(StyledText parentText) {
parent = parentText;
StyledText widget = new StyledText(parent, SWT.ON_TOP);
widget.setFont(parent.getFont());
widget.setMargins(COMMAND_CHAR_INDENT, 3, 3, 3);
widget.setSize(5, 5);
widget.setBackground(parent.getBackground());
widget.setForeground(parent.getForeground());
widget.setWordWrap(true);
widget.setEnabled(true);
// widget.setCaretOffset(2);
widget.moveAbove(parent);
widget.setVisible(false);
widget.addPaintListener(new BorderPaintListener());
commandLineText = widget;
parent.addPaintListener(new TextEditorPaintListener());
parent.addFocusListener(
new FocusAdapter() {
@Override
public void focusGained(FocusEvent e) {
if (commandLineUI != null && commandLineUI.isOpen()) {
commandLineText.forceFocus();
}
}
});
parent.addDisposeListener(
new DisposeListener() {
@Override
public void widgetDisposed(DisposeEvent e) {
commandLineText.dispose();
if (commandLineUI != null) {
commandLineUI.dispose();
}
}
});
}
/** @see IPainter#paint(int) */
public final void paint(final int reason) {
Point selection = mSourceViewer.getSelectedRange();
if (selection.y > 0) {
deactivate(true);
return;
}
SexpNavigator explorer = mEditor.getExplorer();
boolean backward = true;
boolean closeToParen = false;
int offset = selection.x;
IDocument document = mEditor.getDocument();
try {
char previousChar = '\0';
char nextChar = '\0';
if (selection.x > 0) previousChar = document.getChar(selection.x - 1);
if (selection.x > 0
&& SchemeScannerUtilities.isClosingParenthesis(previousChar)
&& SchemeTextUtilities.getPartition(document, selection.x - 1).getType()
== IDocument.DEFAULT_CONTENT_TYPE) {
closeToParen = true;
} else {
nextChar = document.getChar(selection.x);
if (selection.x < document.getLength() - 1
&& SchemeScannerUtilities.isOpeningParenthesis(nextChar)
&& SchemeTextUtilities.getPartition(document, selection.x).getType()
== IDocument.DEFAULT_CONTENT_TYPE) {
closeToParen = true;
backward = false;
}
}
if (closeToParen && backward && explorer.backwardSexpression(selection.x)) {
offset = explorer.getListStart();
char matchingChar = document.getChar(offset);
mMismatch =
SchemeScannerUtilities.getParenthesisType(previousChar)
!= SchemeScannerUtilities.getParenthesisType(matchingChar);
} else {
if (closeToParen && !backward && explorer.forwardSexpression(selection.x)) {
offset = explorer.getSexpEnd() - 1;
char matchingChar = document.getChar(offset);
mMismatch =
SchemeScannerUtilities.getParenthesisType(nextChar)
!= SchemeScannerUtilities.getParenthesisType(matchingChar);
} else {
deactivate(true);
return;
}
}
} catch (BadLocationException exception) {
deactivate(true);
return;
}
if (mIsActive) {
// only if different
if (offset != mBracketPosition.getOffset()) {
// remove old highlighting
handleDrawRequest(null);
// update position
mBracketPosition.isDeleted = false;
mBracketPosition.offset = offset;
mBracketPosition.length = 1;
// apply new highlighting
handleDrawRequest(null);
}
} else {
mIsActive = true;
mBracketPosition.isDeleted = false;
mBracketPosition.offset = offset;
mBracketPosition.length = 1;
mTextWidget.addPaintListener(this);
mPositionManager.managePosition(mBracketPosition);
handleDrawRequest(null);
}
}
/**
* Adds the listener to the collection of listeners who will be notified when the receiver needs
* to be painted, by sending it one of the messages defined in the <code>PaintListener</code>
* interface.
*
* @param inListener the listener which should be notified
*/
public void addPaintListener(final PaintListener inListener) {
textWidget.addPaintListener(inListener);
}
/**
* Creates a new <code>BZStyledText</code> for parentShell <code>parentShell</code>.
*
* @param parentShell parentShell of the new instance (cannot be null)
*/
public BZStyledText(Shell parentShell) {
this.parentShell = parentShell;
// version from jar manifest
String version = getClass().getPackage().getImplementationVersion();
// version from build file
if (version == null) version = System.getProperty("braillezephyr.version");
// no version
if (version == null) {
logWriter.println("WARNING: unable to determine version, using 0.0");
version = "0.0";
}
versionString = version;
String[] versionStrings = versionString.split("\\.");
versionMajor = Integer.parseInt(versionStrings[0]);
if (versionStrings.length > 1) versionMinor = Integer.parseInt(versionStrings[1]);
else versionMinor = 0;
if (versionStrings.length > 2) versionPatch = Integer.parseInt(versionStrings[2]);
else versionPatch = 0;
color = parentShell.getDisplay().getSystemColor(SWT.COLOR_BLACK);
composite = new Composite(parentShell, 0);
composite.setLayout(new GridLayout(2, true));
// load fonts
loadFont("BrailleZephyr_6.otf");
loadFont("BrailleZephyr_6b.otf");
loadFont("BrailleZephyr_6s.otf");
loadFont("BrailleZephyr_6sb.otf");
loadFont("BrailleZephyr_8.otf");
loadFont("BrailleZephyr_8b.otf");
loadFont("BrailleZephyr_8s.otf");
loadFont("BrailleZephyr_8sb.otf");
loadFont("BrailleZephyr_8w.otf");
loadFont("BrailleZephyr_8wb.otf");
loadFont("BrailleZephyr_8ws.otf");
loadFont("BrailleZephyr_8wsb.otf");
// load line margin bell
try {
InputStream inputStreamBellMargin =
new BufferedInputStream(getClass().getResourceAsStream("/sounds/line_margin_bell.wav"));
AudioInputStream audioInputStreamMargin =
AudioSystem.getAudioInputStream(inputStreamBellMargin);
DataLine.Info dataLineInfoMargin =
new DataLine.Info(Clip.class, audioInputStreamMargin.getFormat());
lineMarginClip = (Clip) AudioSystem.getLine(dataLineInfoMargin);
lineMarginClip.open(audioInputStreamMargin);
} catch (IOException exception) {
logWriter.println(
"ERROR: Unable to read default line margin bell file: " + exception.getMessage());
lineMarginClip = null;
} catch (UnsupportedAudioFileException exception) {
logWriter.println(
"ERROR: Sound file unsupported for default line margin bell: "
+ exception.getMessage());
lineMarginClip = null;
} catch (LineUnavailableException exception) {
logWriter.println(
"ERROR: Line unavailable for default line margin bell: " + exception.getMessage());
lineMarginClip = null;
}
// load page margin bell
try {
InputStream inputStreamBellPage =
new BufferedInputStream(getClass().getResourceAsStream("/sounds/page_margin_bell.wav"));
AudioInputStream audioInputStreamPage = AudioSystem.getAudioInputStream(inputStreamBellPage);
DataLine.Info dataLineInfoPage =
new DataLine.Info(Clip.class, audioInputStreamPage.getFormat());
pageMarginClip = (Clip) AudioSystem.getLine(dataLineInfoPage);
pageMarginClip.open(audioInputStreamPage);
} catch (IOException exception) {
logWriter.println(
"ERROR: Unable to read default page margin bell file: " + exception.getMessage());
pageMarginClip = null;
} catch (UnsupportedAudioFileException exception) {
logWriter.println(
"ERROR: Sound file unsupported for default page margin bell: "
+ exception.getMessage());
pageMarginClip = null;
} catch (LineUnavailableException exception) {
logWriter.println(
"ERROR: Line unavailable for default page margin bell: " + exception.getMessage());
pageMarginClip = null;
}
// load line end bell
try {
InputStream inputStreamBellPage =
new BufferedInputStream(getClass().getResourceAsStream("/sounds/line_end_bell.wav"));
AudioInputStream audioInputStreamPage = AudioSystem.getAudioInputStream(inputStreamBellPage);
DataLine.Info dataLineInfoPage =
new DataLine.Info(Clip.class, audioInputStreamPage.getFormat());
lineEndClip = (Clip) AudioSystem.getLine(dataLineInfoPage);
lineEndClip.open(audioInputStreamPage);
} catch (IOException exception) {
logWriter.println(
"ERROR: Unable to read default line end bell file: " + exception.getMessage());
lineEndClip = null;
} catch (UnsupportedAudioFileException exception) {
logWriter.println(
"ERROR: Sound file unsupported for default line end bell: " + exception.getMessage());
lineEndClip = null;
} catch (LineUnavailableException exception) {
logWriter.println(
"ERROR: Line unavailable for default line end bell: " + exception.getMessage());
lineEndClip = null;
}
brailleText = new StyledText(composite, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
brailleText.setLayoutData(new GridData(GridData.FILL_BOTH));
brailleText.setFont(new Font(parentShell.getDisplay(), "BrailleZephyr_6s", 18, SWT.NORMAL));
brailleText.addFocusListener(new FocusHandler(brailleText));
brailleText.addPaintListener(new PaintHandler(brailleText));
BrailleKeyHandler brailleKeyHandler = new BrailleKeyHandler(true);
brailleText.addKeyListener(brailleKeyHandler);
brailleText.addVerifyKeyListener(brailleKeyHandler);
brailleText.addExtendedModifyListener(new ExtendedModifyHandler(brailleText));
content = brailleText.getContent();
asciiText = new StyledText(composite, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
asciiText.setContent(content);
asciiText.setLayoutData(new GridData(GridData.FILL_BOTH));
asciiText.setFont(new Font(parentShell.getDisplay(), "Monospace", 18, SWT.NORMAL));
asciiText.addFocusListener(new FocusHandler(asciiText));
asciiText.addPaintListener(new PaintHandler(asciiText));
asciiText.addVerifyKeyListener(new BrailleKeyHandler(false));
asciiText.addExtendedModifyListener(new ExtendedModifyHandler(asciiText));
brailleText.addCaretListener(new CaretHandler(brailleText, asciiText));
asciiText.addCaretListener(new CaretHandler(asciiText, brailleText));
currentText = brailleText;
}
public StatusLine(StyledText textWidget) {
this.parent = textWidget;
parent.addPaintListener(this);
}