Examples with StyleRange org.eclipse.swt.custom.StyleRange used on opensource projects

Example 61 with StyleRange

use of org.eclipse.swt.custom.StyleRange in project eclipse.platform.swt by eclipse.

the class TextEditor method installListeners.

void installListeners() {
    styledText.addCaretListener(event -> {
        updateStatusBar();
        updateToolBar();
    });
    styledText.addListener(SWT.MouseUp, event -> handleMouseUp(event));
    styledText.addListener(SWT.KeyDown, event -> handleKeyDown(event));
    styledText.addVerifyListener(event -> handleVerifyText(event));
    styledText.addModifyListener(event -> handleModify(event));
    styledText.addPaintObjectListener(event -> handlePaintObject(event));
    styledText.addListener(SWT.Dispose, event -> {
        StyleRange[] styles = styledText.getStyleRanges(0, styledText.getCharCount(), false);
        for (StyleRange style : styles) {
            Object data = style.data;
            if (data != null) {
                if (data instanceof Image)
                    ((Image) data).dispose();
                if (data instanceof Control)
                    ((Control) data).dispose();
            }
        }
    });
    shell.addControlListener(ControlListener.controlResizedAdapter(event -> handleResize(event)));
}

Example 62 with StyleRange

use of org.eclipse.swt.custom.StyleRange in project eclipse.platform.swt by eclipse.

the class TextEditor method setBullet.

void setBullet(int type) {
    Point selection = styledText.getSelection();
    int lineStart = styledText.getLineAtOffset(selection.x);
    int lineEnd = styledText.getLineAtOffset(selection.y);
    StyleRange styleRange = new StyleRange();
    styleRange.metrics = new GlyphMetrics(0, 0, BULLET_WIDTH);
    Bullet bullet = new Bullet(type, styleRange);
    bullet.text = ".";
    for (int lineIndex = lineStart; lineIndex <= lineEnd; lineIndex++) {
        Bullet oldBullet = styledText.getLineBullet(lineIndex);
        styledText.setLineBullet(lineIndex, 1, oldBullet != null ? null : bullet);
    }
}

Example 63 with StyleRange

use of org.eclipse.swt.custom.StyleRange in project eclipse.platform.swt by eclipse.

the class TextEditor method updateToolBar.

void updateToolBar() {
    styleState = 0;
    link = null;
    boolean bold = false, italic = false;
    Font font = null;
    int offset = styledText.getCaretOffset();
    StyleRange range = offset > 0 ? styledText.getStyleRangeAtOffset(offset - 1) : null;
    if (range != null) {
        if (range.font != null) {
            font = range.font;
            FontData[] fds = font.getFontData();
            for (FontData fd : fds) {
                int fontStyle = fd.getStyle();
                if (!bold && (fontStyle & SWT.BOLD) != 0)
                    bold = true;
                if (!italic && (fontStyle & SWT.ITALIC) != 0)
                    italic = true;
            }
        } else {
            bold = (range.fontStyle & SWT.BOLD) != 0;
            italic = (range.fontStyle & SWT.ITALIC) != 0;
        }
        if (range.foreground != null) {
            styleState |= FOREGROUND;
            if (textForeground != range.foreground) {
                disposeResource(textForeground);
                textForeground = range.foreground;
            }
        }
        if (range.background != null) {
            styleState |= BACKGROUND;
            if (textBackground != range.background) {
                disposeResource(textBackground);
                textBackground = range.background;
            }
        }
        if (range.underline) {
            switch(range.underlineStyle) {
                case SWT.UNDERLINE_SINGLE:
                    styleState |= UNDERLINE_SINGLE;
                    break;
                case SWT.UNDERLINE_DOUBLE:
                    styleState |= UNDERLINE_DOUBLE;
                    break;
                case SWT.UNDERLINE_SQUIGGLE:
                    styleState |= UNDERLINE_SQUIGGLE;
                    break;
                case SWT.UNDERLINE_ERROR:
                    styleState |= UNDERLINE_ERROR;
                    break;
                case SWT.UNDERLINE_LINK:
                    styleState |= UNDERLINE_LINK;
                    link = (String) range.data;
                    break;
            }
            if (range.underlineStyle != SWT.UNDERLINE_LINK) {
                underlineSingleItem.setSelection((styleState & UNDERLINE_SINGLE) != 0);
                underlineDoubleItem.setSelection((styleState & UNDERLINE_DOUBLE) != 0);
                underlineErrorItem.setSelection((styleState & UNDERLINE_ERROR) != 0);
                underlineSquiggleItem.setSelection((styleState & UNDERLINE_SQUIGGLE) != 0);
                disposeResource(underlineColor);
                underlineColor = range.underlineColor;
            }
        }
        if (range.strikeout) {
            styleState |= STRIKEOUT;
            disposeResource(strikeoutColor);
            strikeoutColor = range.strikeoutColor;
        }
        if (range.borderStyle != SWT.NONE) {
            switch(range.borderStyle) {
                case SWT.BORDER_SOLID:
                    styleState |= BORDER_SOLID;
                    break;
                case SWT.BORDER_DASH:
                    styleState |= BORDER_DASH;
                    break;
                case SWT.BORDER_DOT:
                    styleState |= BORDER_DOT;
                    break;
            }
            borderSolidItem.setSelection((styleState & BORDER_SOLID) != 0);
            borderDashItem.setSelection((styleState & BORDER_DASH) != 0);
            borderDotItem.setSelection((styleState & BORDER_DOT) != 0);
            disposeResource(borderColor);
            borderColor = range.borderColor;
        }
    }
    boldControl.setSelection(bold);
    italicControl.setSelection(italic);
    FontData fontData = font != null ? font.getFontData()[0] : styledText.getFont().getFontData()[0];
    int index = 0;
    int count = fontNameControl.getItemCount();
    String fontName = fontData.getName();
    while (index < count) {
        if (fontNameControl.getItem(index).equals(fontName)) {
            fontNameControl.select(index);
            break;
        }
        index++;
    }
    index = 0;
    count = fontSizeControl.getItemCount();
    int fontSize = fontData.getHeight();
    while (index < count) {
        int size = Integer.parseInt(fontSizeControl.getItem(index));
        if (fontSize == size) {
            fontSizeControl.select(index);
            break;
        }
        if (size > fontSize) {
            fontSizeControl.add(String.valueOf(fontSize), index);
            fontSizeControl.select(index);
            break;
        }
        index++;
    }
    disposeResource(textFont);
    textFont = font;
    int lineIndex = styledText.getLineAtOffset(offset);
    int alignment = styledText.getLineAlignment(lineIndex);
    leftAlignmentItem.setSelection((alignment & SWT.LEFT) != 0);
    centerAlignmentItem.setSelection((alignment & SWT.CENTER) != 0);
    rightAlignmentItem.setSelection((alignment & SWT.RIGHT) != 0);
    boolean justify = styledText.getLineJustify(lineIndex);
    justifyAlignmentItem.setSelection(justify);
}

Example 64 with StyleRange

use of org.eclipse.swt.custom.StyleRange in project eclipse.platform.swt by eclipse.

the class TextEditor method addImage.

void addImage(Image image) {
    int offset = styledText.getCaretOffset();
    // $NON-NLS-1$
    styledText.replaceTextRange(offset, 0, "\uFFFC");
    StyleRange style = new StyleRange();
    Rectangle rect = image.getBounds();
    style.metrics = new GlyphMetrics(rect.height, 0, rect.width);
    style.data = image;
    int[] ranges = { offset, 1 };
    StyleRange[] styles = { style };
    styledText.setStyleRanges(0, 0, ranges, styles);
}

Example 65 with StyleRange

use of org.eclipse.swt.custom.StyleRange in project eclipse.platform.swt by eclipse.

the class TextEditor method handleModify.

void handleModify(ModifyEvent event) {
    if (newCharCount > 0 && start >= 0) {
        StyleRange style = new StyleRange();
        if (textFont != null && !textFont.equals(styledText.getFont())) {
            style.font = textFont;
        } else {
            style.fontStyle = SWT.NONE;
            if (boldControl.getSelection())
                style.fontStyle |= SWT.BOLD;
            if (italicControl.getSelection())
                style.fontStyle |= SWT.ITALIC;
        }
        if ((styleState & FOREGROUND) != 0) {
            style.foreground = textForeground;
        }
        if ((styleState & BACKGROUND) != 0) {
            style.background = textBackground;
        }
        int underlineStyle = styleState & UNDERLINE;
        if (underlineStyle != 0) {
            style.underline = true;
            style.underlineColor = underlineColor;
            switch(underlineStyle) {
                case UNDERLINE_SINGLE:
                    style.underlineStyle = SWT.UNDERLINE_SINGLE;
                    break;
                case UNDERLINE_DOUBLE:
                    style.underlineStyle = SWT.UNDERLINE_DOUBLE;
                    break;
                case UNDERLINE_SQUIGGLE:
                    style.underlineStyle = SWT.UNDERLINE_SQUIGGLE;
                    break;
                case UNDERLINE_ERROR:
                    style.underlineStyle = SWT.UNDERLINE_ERROR;
                    break;
                case UNDERLINE_LINK:
                    {
                        style.underlineColor = null;
                        if (link != null && link.length() > 0) {
                            style.underlineStyle = SWT.UNDERLINE_LINK;
                            style.data = link;
                        } else {
                            style.underline = false;
                        }
                        break;
                    }
            }
        }
        if ((styleState & STRIKEOUT) != 0) {
            style.strikeout = true;
            style.strikeoutColor = strikeoutColor;
        }
        int borderStyle = styleState & BORDER;
        if (borderStyle != 0) {
            style.borderColor = borderColor;
            switch(borderStyle) {
                case BORDER_DASH:
                    style.borderStyle = SWT.BORDER_DASH;
                    break;
                case BORDER_DOT:
                    style.borderStyle = SWT.BORDER_DOT;
                    break;
                case BORDER_SOLID:
                    style.borderStyle = SWT.BORDER_SOLID;
                    break;
            }
        }
        int[] ranges = { start, newCharCount };
        StyleRange[] styles = { style };
        styledText.setStyleRanges(start, newCharCount, ranges, styles);
    }
    disposeRanges(selectedRanges);
}