Java Code Examples for java.awt.font.TextHitInfo

The following examples show how to use java.awt.font.TextHitInfo. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
/**
 * 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);
}
 
Example 2
Source Project: jdk1.8-source-analysis   Source File: JTextComponent.java    License: Apache License 2.0 6 votes vote down vote up
public Rectangle getTextLocation(TextHitInfo offset) {
    Rectangle r;

    try {
        r = modelToView(getCaretPosition());
        if (r != null) {
            Point p = getLocationOnScreen();
            r.translate(p.x, p.y);
        }
    } catch (BadLocationException ble) {
        r = null;
    }

    if (r == null)
        r = new Rectangle();

    return r;
}
 
Example 3
Source Project: jdk8u-jdk   Source File: JTextComponent.java    License: GNU General Public License v2.0 6 votes vote down vote up
public Rectangle getTextLocation(TextHitInfo offset) {
    Rectangle r;

    try {
        r = modelToView(getCaretPosition());
        if (r != null) {
            Point p = getLocationOnScreen();
            r.translate(p.x, p.y);
        }
    } catch (BadLocationException ble) {
        r = null;
    }

    if (r == null)
        r = new Rectangle();

    return r;
}
 
Example 4
Source Project: hottub   Source File: JTextComponent.java    License: GNU General Public License v2.0 6 votes vote down vote up
public Rectangle getTextLocation(TextHitInfo offset) {
    Rectangle r;

    try {
        r = modelToView(getCaretPosition());
        if (r != null) {
            Point p = getLocationOnScreen();
            r.translate(p.x, p.y);
        }
    } catch (BadLocationException ble) {
        r = null;
    }

    if (r == null)
        r = new Rectangle();

    return r;
}
 
Example 5
private Rectangle getCaretRectangle(TextHitInfo caret) {
    int caretLocation = 0;
    TextLayout layout = composedTextLayout;
    if (layout != null) {
        caretLocation = Math.round(layout.getCaretInfo(caret)[0]);
    }
    Graphics g = getGraphics();
    FontMetrics metrics = null;
    try {
        metrics = g.getFontMetrics();
    } finally {
        g.dispose();
    }
    return new Rectangle(TEXT_ORIGIN_X + caretLocation,
                         TEXT_ORIGIN_Y - metrics.getAscent(),
                         0, metrics.getAscent() + metrics.getDescent());
}
 
Example 6
public Rectangle getTextLocation(TextHitInfo offset) {
    synchronized (compositionAreaLock) {
        if (compositionAreaOwner == this && isCompositionAreaVisible()) {
            return compositionArea.getTextLocation(offset);
        } else if (composedText != null) {
            // there's composed text, but it's not displayed, so fake a rectangle
            return new Rectangle(0, 0, 0, 10);
        } else {
            InputMethodRequests requests = getClientInputMethodRequests();
            if (requests != null) {
                return requests.getTextLocation(offset);
            } else {
                // passive client, no composed text, so fake a rectangle
                return new Rectangle(0, 0, 0, 10);
            }
        }
    }
}
 
Example 7
public void dispatchInputMethodEvent(int id,
            AttributedCharacterIterator text, int committedCharacterCount,
            TextHitInfo caret, TextHitInfo visiblePosition) {
    // We need to record the client component as the source so
    // that we have correct information if we later have to break up this
    // event into key events.
    Component source;

    source = getClientComponent();
    if (source != null) {
        InputMethodEvent event = new InputMethodEvent(source,
                id, text, committedCharacterCount, caret, visiblePosition);

        if (haveActiveClient() && !useBelowTheSpotInput()) {
            source.dispatchEvent(event);
        } else {
            getCompositionAreaHandler(true).processInputMethodEvent(event);
        }
    }
}
 
Example 8
Source Project: jdk8u60   Source File: CodePointInputMethod.java    License: GNU General Public License v2.0 6 votes vote down vote up
/**
 * 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);
}
 
Example 9
Source Project: Java8CN   Source File: JTextComponent.java    License: Apache License 2.0 6 votes vote down vote up
public Rectangle getTextLocation(TextHitInfo offset) {
    Rectangle r;

    try {
        r = modelToView(getCaretPosition());
        if (r != null) {
            Point p = getLocationOnScreen();
            r.translate(p.x, p.y);
        }
    } catch (BadLocationException ble) {
        r = null;
    }

    if (r == null)
        r = new Rectangle();

    return r;
}
 
Example 10
/**
 * 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);
}
 
Example 11
Source Project: openjdk-jdk9   Source File: CompositionArea.java    License: GNU General Public License v2.0 6 votes vote down vote up
private Rectangle getCaretRectangle(TextHitInfo caret) {
    int caretLocation = 0;
    TextLayout layout = composedTextLayout;
    if (layout != null) {
        caretLocation = Math.round(layout.getCaretInfo(caret)[0]);
    }
    Graphics g = getGraphics();
    FontMetrics metrics = null;
    try {
        metrics = g.getFontMetrics();
    } finally {
        g.dispose();
    }
    return new Rectangle(TEXT_ORIGIN_X + caretLocation,
                         TEXT_ORIGIN_Y - metrics.getAscent(),
                         0, metrics.getAscent() + metrics.getDescent());
}
 
Example 12
public Rectangle getTextLocation(TextHitInfo offset) {
    synchronized (compositionAreaLock) {
        if (compositionAreaOwner == this && isCompositionAreaVisible()) {
            return compositionArea.getTextLocation(offset);
        } else if (composedText != null) {
            // there's composed text, but it's not displayed, so fake a rectangle
            return new Rectangle(0, 0, 0, 10);
        } else {
            InputMethodRequests requests = getClientInputMethodRequests();
            if (requests != null) {
                return requests.getTextLocation(offset);
            } else {
                // passive client, no composed text, so fake a rectangle
                return new Rectangle(0, 0, 0, 10);
            }
        }
    }
}
 
Example 13
public Rectangle getTextLocation(TextHitInfo offset) {
    synchronized (compositionAreaLock) {
        if (compositionAreaOwner == this && isCompositionAreaVisible()) {
            return compositionArea.getTextLocation(offset);
        } else if (composedText != null) {
            // there's composed text, but it's not displayed, so fake a rectangle
            return new Rectangle(0, 0, 0, 10);
        } else {
            InputMethodRequests requests = getClientInputMethodRequests();
            if (requests != null) {
                return requests.getTextLocation(offset);
            } else {
                // passive client, no composed text, so fake a rectangle
                return new Rectangle(0, 0, 0, 10);
            }
        }
    }
}
 
Example 14
Source Project: netbeans   Source File: TextLayoutUtils.java    License: Apache License 2.0 6 votes vote down vote up
/**
     * Get real allocation (possibly not rectangular) of a part of layout.
     * <br>
     * It's used when rendering the text layout for filling background highlights of the view.
     *
     * @param length Total number of characters for which the allocation is computed.
     * @param alloc Allocation given by a parent view.
     * @return
     */
    public static Shape getRealAlloc(TextLayout textLayout, Rectangle2D textLayoutRect,
            TextHitInfo startHit, TextHitInfo endHit)
    {
        // Quick-fix to eliminate missing line in rendering italic "d" - more elaborate fix is needed
        textLayoutRect = new Rectangle2D.Double(textLayoutRect.getX(), textLayoutRect.getY(),
                textLayoutRect.getWidth() + 2, textLayoutRect.getHeight());
        Rectangle2D.Double zeroBasedRect = ViewUtils.shape2Bounds(textLayoutRect);
        zeroBasedRect.x = 0;
        zeroBasedRect.y = 0;
        Shape ret = textLayout.getVisualHighlightShape(startHit, endHit, zeroBasedRect);
        AffineTransform transform = AffineTransform.getTranslateInstance(
                textLayoutRect.getX(),
                textLayoutRect.getY()
        );
        ret = transform.createTransformedShape(ret);
        // The following gives bad result for some reason (works for layout but not for caret modelToView())
//        Shape ret2 = textLayout.getVisualHighlightShape(startHit.getCharIndex(), endHit.getCharIndex(), textLayoutRect);
        return ret;
    }
 
Example 15
public void dispatchInputMethodEvent(int id,
            AttributedCharacterIterator text, int committedCharacterCount,
            TextHitInfo caret, TextHitInfo visiblePosition) {
    // We need to record the client component as the source so
    // that we have correct information if we later have to break up this
    // event into key events.
    Component source;

    source = getClientComponent();
    if (source != null) {
        InputMethodEvent event = new InputMethodEvent(source,
                id, text, committedCharacterCount, caret, visiblePosition);

        if (haveActiveClient() && !useBelowTheSpotInput()) {
            source.dispatchEvent(event);
        } else {
            getCompositionAreaHandler(true).processInputMethodEvent(event);
        }
    }
}
 
Example 16
public void dispatchInputMethodEvent(int id,
            AttributedCharacterIterator text, int committedCharacterCount,
            TextHitInfo caret, TextHitInfo visiblePosition) {
    // We need to record the client component as the source so
    // that we have correct information if we later have to break up this
    // event into key events.
    Component source;

    source = getClientComponent();
    if (source != null) {
        InputMethodEvent event = new InputMethodEvent(source,
                id, text, committedCharacterCount, caret, visiblePosition);

        if (haveActiveClient() && !useBelowTheSpotInput()) {
            source.dispatchEvent(event);
        } else {
            getCompositionAreaHandler(true).processInputMethodEvent(event);
        }
    }
}
 
Example 17
Source Project: openjdk-jdk9   Source File: JTextComponent.java    License: GNU General Public License v2.0 6 votes vote down vote up
public TextHitInfo getLocationOffset(int x, int y) {
    if (composedTextAttribute == null) {
        return null;
    } else {
        Point p = getLocationOnScreen();
        p.x = x - p.x;
        p.y = y - p.y;
        int pos = viewToModel(p);
        if ((pos >= composedTextStart.getOffset()) &&
            (pos <= composedTextEnd.getOffset())) {
            return TextHitInfo.leading(pos - composedTextStart.getOffset());
        } else {
            return null;
        }
    }
}
 
Example 18
Source Project: hottub   Source File: JTextComponent.java    License: GNU General Public License v2.0 6 votes vote down vote up
public TextHitInfo getLocationOffset(int x, int y) {
    if (composedTextAttribute == null) {
        return null;
    } else {
        Point p = getLocationOnScreen();
        p.x = x - p.x;
        p.y = y - p.y;
        int pos = viewToModel(p);
        if ((pos >= composedTextStart.getOffset()) &&
            (pos <= composedTextEnd.getOffset())) {
            return TextHitInfo.leading(pos - composedTextStart.getOffset());
        } else {
            return null;
        }
    }
}
 
Example 19
public void dispatchInputMethodEvent(int id,
            AttributedCharacterIterator text, int committedCharacterCount,
            TextHitInfo caret, TextHitInfo visiblePosition) {
    // We need to record the client component as the source so
    // that we have correct information if we later have to break up this
    // event into key events.
    Component source;

    source = getClientComponent();
    if (source != null) {
        InputMethodEvent event = new InputMethodEvent(source,
                id, text, committedCharacterCount, caret, visiblePosition);

        if (haveActiveClient() && !useBelowTheSpotInput()) {
            source.dispatchEvent(event);
        } else {
            getCompositionAreaHandler(true).processInputMethodEvent(event);
        }
    }
}
 
Example 20
public TextHitInfo getLocationOffset(int x, int y) {
    if (composedTextAttribute == null) {
        return null;
    } else {
        Point p = getLocationOnScreen();
        p.x = x - p.x;
        p.y = y - p.y;
        int pos = viewToModel(p);
        if ((pos >= composedTextStart.getOffset()) &&
            (pos <= composedTextEnd.getOffset())) {
            return TextHitInfo.leading(pos - composedTextStart.getOffset());
        } else {
            return null;
        }
    }
}
 
Example 21
Source Project: openjdk-jdk9   Source File: JTextComponent.java    License: GNU General Public License v2.0 5 votes vote down vote up
private void setInputMethodCaretPosition(InputMethodEvent e) {
    int dot;

    if (composedTextExists()) {
        dot = composedTextStart.getOffset();
        if (!(caret instanceof ComposedTextCaret)) {
            if (composedTextCaret == null) {
                composedTextCaret = new ComposedTextCaret();
            }
            originalCaret = caret;
            // Sets composed text caret
            exchangeCaret(originalCaret, composedTextCaret);
        }

        TextHitInfo caretPos = e.getCaret();
        if (caretPos != null) {
            int index = caretPos.getInsertionIndex();
            dot += index;
            if (index == 0) {
                // Scroll the component if needed so that the composed text
                // becomes visible.
                try {
                    Rectangle d = modelToView(dot);
                    Rectangle end = modelToView(composedTextEnd.getOffset());
                    Rectangle b = getBounds();
                    d.x += Math.min(end.x - d.x, b.width);
                    scrollRectToVisible(d);
                } catch (BadLocationException ble) {}
            }
        }
        caret.setDot(dot);
    } else if (caret instanceof ComposedTextCaret) {
        dot = caret.getDot();
        // Restores original caret
        exchangeCaret(caret, originalCaret);
        caret.setDot(dot);
    }
}
 
Example 22
/**
 * 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);
}
 
Example 23
TextHitInfo getLocationOffset(int x, int y) {
    TextLayout layout = composedTextLayout;
    if (layout == null) {
        return null;
    } else {
        Point location = getLocationOnScreen();
        x -= location.x + TEXT_ORIGIN_X;
        y -= location.y + TEXT_ORIGIN_Y;
        if (layout.getBounds().contains(x, y)) {
            return layout.hitTestChar(x, y);
        } else {
            return null;
        }
    }
}
 
Example 24
public void runTest(Object ctx, int numReps) {
    TLExContext tlctx = (TLExContext)ctx;
    TextLayout tl = tlctx.tl;
    TextHitInfo[] hits = tlctx.hits;
    Shape s;
    do {
        for (int i = 0; i < hits.length; ++i) {
            s = tl.getCaretShape(hits[i]);
        }
    } while (--numReps >= 0);
}
 
Example 25
/**
 * 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;
}
 
Example 26
/**
 * 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);
}
 
Example 27
public void runTest(Object ctx, int numReps) {
    TLExContext tlctx = (TLExContext)ctx;
    TextLayout tl = tlctx.tl;
    TextHitInfo[] hits = tlctx.hits;
    do {
        for (int i = 0; i < hits.length; ++i) {
            tl.getCaretInfo(hits[i]);
        }
    } while (--numReps >= 0);
}
 
Example 28
Source Project: jdk8u-jdk   Source File: CompositionArea.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Sets the caret to be displayed in this composition area.
 * The text is not changed.
 */
void setCaret(TextHitInfo caret) {
    this.caret = caret;
    if (compositionWindow.isVisible()) {
        Graphics g = getGraphics();
        try {
            paint(g);
        } finally {
            g.dispose();
        }
    }
}
 
Example 29
/**
 * Sets the caret to be displayed in this composition area.
 * The text is not changed.
 */
void setCaret(TextHitInfo caret) {
    this.caret = caret;
    if (compositionWindow.isVisible()) {
        Graphics g = getGraphics();
        try {
            paint(g);
        } finally {
            g.dispose();
        }
    }
}
 
Example 30
Source Project: hottub   Source File: CodePointInputMethod.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * 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;
}
 
Example 31
Source Project: jdk8u-jdk   Source File: TextMeasureTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    TLExContext tlctx = (TLExContext)ctx;
    TextLayout tl = tlctx.tl;
    int numhits = tlctx.hits.length;
    Rectangle2D lb = tlctx.lb;
    TextHitInfo hit;
    for (int i = 0; i <= numhits; ++i) {
        float x = (float)(lb.getMinX() + lb.getWidth() * i / numhits);
        float y = (float)(lb.getMinY() + lb.getHeight() * i / numhits);
        hit = tl.hitTestChar(x, y, lb);
    }
}
 
Example 32
Source Project: openjdk-jdk9   Source File: CompositionArea.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Sets the caret to be displayed in this composition area.
 * The text is not changed.
 */
void setCaret(TextHitInfo caret) {
    this.caret = caret;
    if (compositionWindow.isVisible()) {
        Graphics g = getGraphics();
        try {
            paint(g);
        } finally {
            g.dispose();
        }
    }
}
 
Example 33
Source Project: jdk8u60   Source File: X11InputMethod.java    License: GNU General Public License v2.0 5 votes vote down vote up
/**
 * Creates an input method event from the arguments given
 * and posts it on the AWT event queue. For arguments,
 * see InputMethodEvent. Called by input method.
 *
 * @see java.awt.event.InputMethodEvent#InputMethodEvent
 */
private void postInputMethodEvent(int id,
                                  AttributedCharacterIterator text,
                                  int committedCharacterCount,
                                  TextHitInfo caret,
                                  TextHitInfo visiblePosition,
                                  long when) {
    Component source = getClientComponent();
    if (source != null) {
        InputMethodEvent event = new InputMethodEvent(source,
            id, when, text, committedCharacterCount, caret, visiblePosition);
        SunToolkit.postEvent(SunToolkit.targetToAppContext(source), (AWTEvent)event);
    }
}
 
Example 34
public void runTest(Object ctx, int numReps) {
    TLExContext tlctx = (TLExContext)ctx;
    TextLayout tl = tlctx.tl;
    TextHitInfo[] hits = tlctx.hits;
    do {
        for (int i = 0; i < hits.length; ++i) {
            tl.getCaretInfo(hits[i]);
        }
    } while (--numReps >= 0);
}
 
Example 35
Source Project: jdk8u-jdk   Source File: TextMeasureTests.java    License: GNU General Public License v2.0 5 votes vote down vote up
public void runTest(Object ctx, int numReps) {
    TLExContext tlctx = (TLExContext)ctx;
    TextLayout tl = tlctx.tl;
    TextHitInfo[] hits = tlctx.hits;
    do {
        for (int i = 0; i < hits.length; ++i) {
            tl.getCaretInfo(hits[i]);
        }
    } while (--numReps >= 0);
}
 
Example 36
TextHitInfo getLocationOffset(int x, int y) {
    TextLayout layout = composedTextLayout;
    if (layout == null) {
        return null;
    } else {
        Point location = getLocationOnScreen();
        x -= location.x + TEXT_ORIGIN_X;
        y -= location.y + TEXT_ORIGIN_Y;
        if (layout.getBounds().contains(x, y)) {
            return layout.hitTestChar(x, y);
        } else {
            return null;
        }
    }
}
 
Example 37
public TextHitInfo getLocationOffset(int x, int y) {
    synchronized (compositionAreaLock) {
        if (compositionAreaOwner == this && isCompositionAreaVisible()) {
            return compositionArea.getLocationOffset(x, y);
        } else {
            return null;
        }
    }
}
 
Example 38
/**
 * 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;
}
 
Example 39
/**
 * 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);
}
 
Example 40
Source Project: binnavi   Source File: ZyCaret.java    License: Apache License 2.0 5 votes vote down vote up
private int calcHitPosition(final int caretPosition, final double x, final double y,
    final double zoomFactor) {
  boolean switched = false;

  int lp = m_mouse_pressed_y;
  int lr = m_mouse_released_y;

  if (lp > lr) {
    lp = m_mouse_released_y;
    lr = m_mouse_pressed_y;

    switched = true;
  }

  final int linecount = m_content.getLineCount();
  final double height = (float) m_content.getLineHeight();

  int maxIndex = caretPosition;
  for (int line = lp; line <= lr; line++) {
    double deltaY = 0;
    if (switched) {
      deltaY = height * zoomFactor * line;
    } else {
      deltaY = -(height * zoomFactor * (linecount - line));
    }

    final TextLayout textLayout = m_content.getLineContent(line).getTextLayout();
    final TextHitInfo hitInfo =
        textLayout.hitTestChar((float) x, (float) (y + deltaY), textLayout.getBounds());
    final int insertionIndex = hitInfo.getInsertionIndex();

    if ((caretPosition < insertionIndex) && (insertionIndex > maxIndex)) {
      maxIndex = insertionIndex;
    }
  }

  return maxIndex;
}