Examples with TextLayoutInfo automenta.vivisect.gui.StyledString.TextLayoutInfo used on opensource projects

Example 11 with TextLayoutInfo

use of automenta.vivisect.gui.StyledString.TextLayoutInfo in project opennars by opennars.

the class GTextArea method getTextLength.

/**
 * Get the length of text on a particular line in the text area. <br>
 * The line does not need to be visible and the line numbers
 * always start at 0. <br>
 * The result is not dependent on what is visible at any
 * particular time but on the overall position in text area
 * control. <br>
 * If ignoreEOL is true then EOL characters are not included in the count.
 *
 * @param lineNo the text area line number we want
 * @param ignoreEOL if true do not include trailing end=of-line characters
 * @return the length of the line, or <) if the line number is invalid
 */
public int getTextLength(int lineNo, boolean ignoreEOL) {
    Graphics2D g2d = buffer.g2;
    // Get the latest lines of text
    LinkedList<TextLayoutInfo> lines = stext.getLines(g2d);
    if (lineNo < 0 || lineNo >= lines.size())
        return -1;
    TextLayoutInfo tli = lines.get(lineNo);
    // String s = stext.getPlainText(tli.startCharIndex, tli.startCharIndex + tli.nbrChars);
    String s = stext.getPlainText();
    int len = tli.nbrChars;
    if (ignoreEOL) {
        // Strip off trailing EOL
        int p = tli.startCharIndex + tli.nbrChars - 1;
        while (p > tli.startCharIndex && s.charAt(p) == EOL) {
            p--;
            len--;
        }
    }
    return len;
}

Example 12 with TextLayoutInfo

use of automenta.vivisect.gui.StyledString.TextLayoutInfo in project opennars by opennars.

the class GTextArea method getText.

/**
 * Get the text on a particular line in the text area. <br>
 * The line does not need to be visible and the line numbers
 * always start at 0. <br>
 * The result is not dependent on what is visible at any
 * particular time but on the overall position in text area
 * control. <br>
 * If the line number is invalid then an empty string is returned. <br>
 * Trailing EOL characters are removed.
 *
 * @param lineNo the text area line number we want
 * @return the plain text in a display line
 */
public String getText(int lineNo) {
    Graphics2D g2d = buffer.g2;
    // Get the latest lines of text
    LinkedList<TextLayoutInfo> lines = stext.getLines(g2d);
    if (lineNo < 0 || lineNo >= lines.size())
        return "";
    TextLayoutInfo tli = lines.get(lineNo);
    String s = stext.getPlainText(tli.startCharIndex, tli.startCharIndex + tli.nbrChars);
    // Strip off trailing EOL
    int p = s.length() - 1;
    while (p > 0 && s.charAt(p) == EOL) p--;
    return (p == s.length() - 1) ? s : s.substring(0, p + 1);
}

Example 13 with TextLayoutInfo

use of automenta.vivisect.gui.StyledString.TextLayoutInfo in project opennars by opennars.

the class GEditableTextControl method setFocus.

/**
 * Determines whether this component is to have focus or not. <br>
 */
public void setFocus(boolean focus) {
    if (!focus) {
        loseFocus(null);
        return;
    }
    // Make sure we have some text
    if (focusIsWith != this) {
        dragging = false;
        if (stext == null || stext.length() == 0)
            stext = new StyledString(" ", wrapWidth);
        LinkedList<TextLayoutInfo> lines = stext.getLines(buffer.g2);
        startTLHI = new TextLayoutHitInfo(lines.getFirst(), null);
        startTLHI.thi = startTLHI.tli.layout.getNextLeftHit(1);
        endTLHI = new TextLayoutHitInfo(lines.getLast(), null);
        int lastChar = endTLHI.tli.layout.getCharacterCount();
        endTLHI.thi = startTLHI.tli.layout.getNextRightHit(lastChar - 1);
        calculateCaretPos(endTLHI);
        bufferInvalid = true;
    }
    keepCursorInView = true;
    takeFocus();
}

Example 14 with TextLayoutInfo

use of automenta.vivisect.gui.StyledString.TextLayoutInfo in project opennars by opennars.

the class GPassword method changeText.

protected boolean changeText() {
    TextLayoutInfo tli;
    TextHitInfo thi = null, thiRight = null;
    pos += adjust;
    // Force layouts to be updated
    stext.getLines(buffer.g2);
    // Try to get text layout info for the current position
    tli = stext.getTLIforCharNo(pos);
    if (tli == null) {
        // If unable to get a layout for pos then reset everything
        endTLHI = null;
        startTLHI = null;
        ptx = pty = 0;
        caretX = caretY = 0;
        return false;
    }
    // We have a text layout so we can do something
    // First find the position in line
    int posInLine = pos - tli.startCharIndex;
    // Get some hit info so we can see what is happening
    try {
        thiRight = tli.layout.getNextRightHit(posInLine);
    } catch (Exception excp) {
        thiRight = null;
    }
    if (posInLine <= 0) {
        // At start of line
        thi = tli.layout.getNextLeftHit(thiRight);
    } else if (posInLine >= tli.nbrChars) {
        // End of line
        thi = tli.layout.getNextRightHit(tli.nbrChars - 1);
    } else {
        // Character in line;
        thi = tli.layout.getNextLeftHit(thiRight);
    }
    endTLHI.setInfo(tli, thi);
    // Cursor at end of paragraph graphic
    calculateCaretPos(endTLHI);
    bufferInvalid = true;
    startTLHI.copyFrom(endTLHI);
    return true;
}

Example 15 with TextLayoutInfo

use of automenta.vivisect.gui.StyledString.TextLayoutInfo in project opennars by opennars.

the class GPassword method setFocus.

/**
 * Determines whether this component is to have focus or not. <br>
 */
public void setFocus(boolean focus) {
    if (!focus) {
        loseFocus(null);
        return;
    }
    // Make sure we have some text
    if (focusIsWith != this) {
        dragging = false;
        if (stext == null || stext.length() == 0)
            stext = new StyledString(" ", wrapWidth);
        LinkedList<TextLayoutInfo> lines = stext.getLines(buffer.g2);
        startTLHI = new TextLayoutHitInfo(lines.getFirst(), null);
        startTLHI.thi = startTLHI.tli.layout.getNextLeftHit(1);
        endTLHI = new TextLayoutHitInfo(lines.getLast(), null);
        int lastChar = endTLHI.tli.layout.getCharacterCount();
        endTLHI.thi = startTLHI.tli.layout.getNextRightHit(lastChar - 1);
        startTLHI.copyFrom(endTLHI);
        calculateCaretPos(endTLHI);
        bufferInvalid = true;
    }
    keepCursorInView = true;
    takeFocus();
}