private void drawsel(GOut g, Message msg, int y) {
RichText rt = (RichText) msg.text();
boolean sel = msg != selstart.msg;
for (RichText.Part part = rt.parts; part != null; part = part.next) {
if (!(part instanceof RichText.TextPart)) continue;
RichText.TextPart tp = (RichText.TextPart) part;
if (tp.start == tp.end) continue;
TextHitInfo a, b;
if (sel) {
a = TextHitInfo.leading(0);
} else if (tp == selstart.part) {
a = selstart.ch;
sel = true;
} else {
continue;
}
if (tp == selend.part) {
sel = false;
b = selend.ch;
} else {
b = TextHitInfo.trailing(tp.end - tp.start - 1);
}
Coord ul = new Coord(tp.x + (int) tp.advance(0, a.getInsertionIndex()), tp.y + y);
Coord sz =
new Coord((int) tp.advance(a.getInsertionIndex(), b.getInsertionIndex()), tp.height());
g.chcolor(0, 0, 255, 255);
g.frect(ul, sz);
g.chcolor();
if (!sel) break;
}
}
public CharPos charat(Coord c) {
if (c.y < -sb.val) {
if (msgs.size() < 1) return (null);
Message msg = msgs.get(0);
if (!(msg.text() instanceof RichText)) return (null);
RichText.TextPart fp = null;
for (RichText.Part part = ((RichText) msg.text()).parts; part != null; part = part.next) {
if (part instanceof RichText.TextPart) {
fp = (RichText.TextPart) part;
break;
}
}
if (fp == null) return (null);
return (new CharPos(msg, fp, TextHitInfo.leading(0)));
}
Coord hc = new Coord();
Message msg = messageat(c, hc);
if ((msg == null) || !(msg.text() instanceof RichText)) return (null);
RichText rt = (RichText) msg.text();
RichText.Part p = rt.partat(hc);
if (p == null) {
RichText.TextPart lp = null;
for (RichText.Part part = ((RichText) msg.text()).parts; part != null; part = part.next) {
if (part instanceof RichText.TextPart) lp = (RichText.TextPart) part;
}
if (lp == null) return (null);
return (new CharPos(msg, lp, TextHitInfo.trailing(lp.end - lp.start - 1)));
}
if (!(p instanceof RichText.TextPart)) return (null);
RichText.TextPart tp = (RichText.TextPart) p;
return (new CharPos(msg, tp, tp.charat(hc)));
}
/** Send the composed text to the client. */
private void sendComposedText() {
AttributedString as = new AttributedString(buffer.toString());
as.addAttribute(
TextAttribute.INPUT_METHOD_HIGHLIGHT, InputMethodHighlight.SELECTED_RAW_TEXT_HIGHLIGHT);
context.dispatchInputMethodEvent(
InputMethodEvent.INPUT_METHOD_TEXT_CHANGED,
as.getIterator(),
0,
TextHitInfo.leading(insertionPoint),
null);
}
/** Send the committed text to the client. */
private void sendCommittedText() {
AttributedString as = new AttributedString(buffer.toString());
context.dispatchInputMethodEvent(
InputMethodEvent.INPUT_METHOD_TEXT_CHANGED,
as.getIterator(),
buffer.length(),
TextHitInfo.leading(insertionPoint),
null);
buffer.setLength(0);
insertionPoint = 0;
format = UNSET;
}
/** Move the insertion point one position to the right in the composed text. */
private void moveCaretRight() {
int len = buffer.length();
if (++insertionPoint > len) {
insertionPoint = len;
beep();
}
context.dispatchInputMethodEvent(
InputMethodEvent.CARET_POSITION_CHANGED,
null,
0,
TextHitInfo.leading(insertionPoint),
null);
}
/**
* Move the insertion point one position to the left in the composed text. Do not let the caret
* move to the left of the "\\u" or "\\U".
*/
private void moveCaretLeft() {
int len = buffer.length();
if (--insertionPoint < 2) {
insertionPoint++;
beep();
} else if (format == SURROGATE_PAIR && insertionPoint == 7) {
insertionPoint = 8;
beep();
}
context.dispatchInputMethodEvent(
InputMethodEvent.CARET_POSITION_CHANGED,
null,
0,
TextHitInfo.leading(insertionPoint),
null);
}
public void render(int w, int h, Graphics2D g2) {
FontRenderContext frc = g2.getFontRenderContext();
for (int i = 0; i < 2; i++) {
layouts[i] = new TextLayout(text[i], fonts[i], frc);
float rw = layouts[i].getAdvance();
float rh = layouts[i].getAscent() + layouts[i].getDescent();
float rx = (float) ((w - rw) / 2);
float ry = (float) ((i == 0) ? h / 3 : h * 0.75f);
// draw highlighted shape
Shape hilite = layouts[i].getLogicalHighlightShape(0, curPos[i]);
AffineTransform at = AffineTransform.getTranslateInstance(rx, ry);
hilite = at.createTransformedShape(hilite);
float hy = (float) hilite.getBounds2D().getY();
float hh = (float) hilite.getBounds2D().getHeight();
g2.setColor(colors[i]);
g2.fill(hilite);
// get caret shape
Shape[] shapes = layouts[i].getCaretShapes(curPos[i]);
Shape caret = at.createTransformedShape(shapes[0]);
g2.setColor(Color.black);
layouts[i].draw(g2, rx, ry);
g2.draw(caret);
g2.draw(new Rectangle2D.Float(rx, hy, rw, hh));
// Display character advances.
for (int j = 0; j <= layouts[i].getCharacterCount(); j++) {
float[] cInfo = layouts[i].getCaretInfo(TextHitInfo.leading(j));
String str = String.valueOf((int) cInfo[0]);
TextLayout tl = new TextLayout(str, smallF, frc);
tl.draw(g2, (float) rx + cInfo[0] - tl.getAdvance() / 2, hy + hh + tl.getAscent() + 1.0f);
}
}
}
public void sendInputMethodEvent(
int id,
long when,
String text,
int[] clauseBoundary,
String[] clauseReading,
int[] attributeBoundary,
byte[] attributeValue,
int commitedTextLength,
int caretPos,
int visiblePos) {
AttributedCharacterIterator iterator = null;
if (text != null) {
// construct AttributedString
AttributedString attrStr = new AttributedString(text);
// set Language Information
attrStr.addAttribute(Attribute.LANGUAGE, Locale.getDefault(), 0, text.length());
// set Clause and Reading Information
if (clauseBoundary != null
&& clauseReading != null
&& clauseReading.length != 0
&& clauseBoundary.length == clauseReading.length + 1
&& clauseBoundary[0] == 0
&& clauseBoundary[clauseReading.length] == text.length()) {
for (int i = 0; i < clauseBoundary.length - 1; i++) {
attrStr.addAttribute(
Attribute.INPUT_METHOD_SEGMENT,
new Annotation(null),
clauseBoundary[i],
clauseBoundary[i + 1]);
attrStr.addAttribute(
Attribute.READING,
new Annotation(clauseReading[i]),
clauseBoundary[i],
clauseBoundary[i + 1]);
}
} else {
// if (clauseBoundary != null)
// System.out.println("Invalid clause information!");
attrStr.addAttribute(
Attribute.INPUT_METHOD_SEGMENT, new Annotation(null), 0, text.length());
attrStr.addAttribute(Attribute.READING, new Annotation(""), 0, text.length());
}
// set Hilight Information
if (attributeBoundary != null
&& attributeValue != null
&& attributeValue.length != 0
&& attributeBoundary.length == attributeValue.length + 1
&& attributeBoundary[0] == 0
&& attributeBoundary[attributeValue.length] == text.length()) {
for (int i = 0; i < attributeBoundary.length - 1; i++) {
InputMethodHighlight highlight;
switch (attributeValue[i]) {
case ATTR_TARGET_CONVERTED:
highlight = InputMethodHighlight.SELECTED_CONVERTED_TEXT_HIGHLIGHT;
break;
case ATTR_CONVERTED:
highlight = InputMethodHighlight.UNSELECTED_CONVERTED_TEXT_HIGHLIGHT;
break;
case ATTR_TARGET_NOTCONVERTED:
highlight = InputMethodHighlight.SELECTED_RAW_TEXT_HIGHLIGHT;
break;
case ATTR_INPUT:
case ATTR_INPUT_ERROR:
default:
highlight = InputMethodHighlight.UNSELECTED_RAW_TEXT_HIGHLIGHT;
break;
}
attrStr.addAttribute(
TextAttribute.INPUT_METHOD_HIGHLIGHT,
highlight,
attributeBoundary[i],
attributeBoundary[i + 1]);
}
} else {
// if (attributeBoundary != null)
// System.out.println("Invalid attribute information!");
attrStr.addAttribute(
TextAttribute.INPUT_METHOD_HIGHLIGHT,
InputMethodHighlight.UNSELECTED_CONVERTED_TEXT_HIGHLIGHT,
0,
text.length());
}
// get iterator
iterator = attrStr.getIterator();
}
Component source = getClientComponent();
if (source == null) return;
InputMethodEvent event =
new InputMethodEvent(
source,
id,
when,
iterator,
commitedTextLength,
TextHitInfo.leading(caretPos),
TextHitInfo.leading(visiblePos));
WToolkit.postEvent(WToolkit.targetToAppContext(source), event);
}