/**
* Returns the difference between the baseline of the widget and the baseline as specified by the
* font for <code>gc</code>. When drawing line numbers, the returned bias should be added to
* obtain text lined up on the correct base line of the text widget.
*
* @param gc the {@code GC} to get the font metrics from
* @param widgetLine the widget line
* @return the baseline bias to use when drawing text that is lined up with the text widget.
*/
private int getBaselineBias(GC gc, int widgetLine) {
ITextViewer textViewer = getParentRuler().getTextViewer();
int offset = textViewer.getTextWidget().getOffsetAtLine(widgetLine);
int widgetBaseline = textViewer.getTextWidget().getBaseline(offset);
FontMetrics fm = gc.getFontMetrics();
int fontBaseline = fm.getAscent() + fm.getLeading();
int baselineBias = widgetBaseline - fontBaseline;
return Math.max(0, baselineBias);
}
/**
* Draw string at widget offset.
*
* @param gc
* @param offset the widget offset
* @param s the string to be drawn
* @param fg the foreground color
*/
private void draw(GC gc, int offset, String s, Color fg) {
// Compute baseline delta (see
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165640)
int baseline = fTextWidget.getBaseline(offset);
FontMetrics fontMetrics = gc.getFontMetrics();
int fontBaseline = fontMetrics.getAscent() + fontMetrics.getLeading();
int baslineDelta = baseline - fontBaseline;
Point pos = fTextWidget.getLocationAtOffset(offset);
gc.setForeground(fg);
gc.drawString(s, pos.x, pos.y + baslineDelta, true);
}
/*
* @see org.eclipse.jface.text.source.AnnotationPainter.IDrawingStrategy#draw(org.eclipse.swt.graphics.GC, org.eclipse.swt.custom.StyledText, int, int, org.eclipse.swt.graphics.Color)
*/
public void draw(
Annotation annotation, GC gc, StyledText textWidget, int offset, int length, Color color) {
if (annotation instanceof ProjectionAnnotation) {
ProjectionAnnotation projectionAnnotation = (ProjectionAnnotation) annotation;
if (projectionAnnotation.isCollapsed()) {
if (gc != null) {
StyledTextContent content = textWidget.getContent();
int line = content.getLineAtOffset(offset);
int lineStart = content.getOffsetAtLine(line);
String text = content.getLine(line);
int lineLength = text == null ? 0 : text.length();
int lineEnd = lineStart + lineLength;
Point p = textWidget.getLocationAtOffset(lineEnd);
Color c = gc.getForeground();
gc.setForeground(color);
FontMetrics metrics = gc.getFontMetrics();
// baseline: where the dots are drawn
int baseline = textWidget.getBaseline(offset);
// descent: number of pixels that the box extends over baseline
int descent = Math.min(2, textWidget.getLineHeight(offset) - baseline);
// ascent: so much does the box stand up from baseline
int ascent = metrics.getAscent();
// leading: free space from line top to box upper line
int leading = baseline - ascent;
// height: height of the box
int height = ascent + descent;
int width = metrics.getAverageCharWidth();
gc.drawRectangle(p.x, p.y + leading, width, height);
int third = width / 3;
int dotsVertical = p.y + baseline - 1;
gc.drawPoint(p.x + third, dotsVertical);
gc.drawPoint(p.x + width - third, dotsVertical);
gc.setForeground(c);
} else {
textWidget.redrawRange(offset, length, true);
}
}
}
}
protected void drawLabel(PaintEvent e) {
Rectangle bounds = getBounds();
// label
// drawn within this composite, ref point is composite
Rectangle rlabel = new Rectangle(0, 0, bounds.width, bounds.height);
//
getItem().setLabeled(true); /*r.height>=fm.getAscent() && r.width>=SWITCH_ITEM_WIDTH*/
FontMetrics fm = e.gc.getFontMetrics();
if (getItem().isLabeled()) {
String s =
getCell()
.getCalendar()
.getModel()
.getLabel(getItem().getItem(), getCell().getDate().getTime());
int centery = Math.max(0, (rlabel.height - fm.getAscent()) / 2 - 3);
e.gc.drawString(s, rlabel.x + 3, rlabel.y + centery);
}
}
@Override
protected void createContent(final Composite parent) {
fContentComposite =
new Composite(parent, SWT.NONE) {
@Override
public Point computeSize(final int width, final int height, final boolean changed) {
return super.computeSize(width, height, changed || width != getSize().x);
}
};
fContentComposite.setBackgroundMode(SWT.INHERIT_FORCE);
final GridLayout gridLayout = LayoutUtil.applyCompositeDefaults(new GridLayout(), 2);
gridLayout.horizontalSpacing = (int) ((gridLayout.horizontalSpacing) / 1.5);
fContentComposite.setLayout(gridLayout);
final int vIndent = Math.max(1, LayoutUtil.defaultVSpacing() / 4);
final int hIndent = Math.max(2, LayoutUtil.defaultHSpacing() / 3);
{ // Title image
fTitleImage = new Label(fContentComposite, SWT.NULL);
final Image image = SharedUIResources.getImages().get(SharedUIResources.PLACEHOLDER_IMAGE_ID);
fTitleImage.setImage(image);
final GridData textGd = new GridData(SWT.FILL, SWT.TOP, false, false);
fTitleText =
new StyledText(fContentComposite, SWT.MULTI | SWT.READ_ONLY | SWT.WRAP) {
@Override
public Point computeSize(int width, final int height, final boolean changed) {
if (!fLayoutHint && width <= 0 && fContentComposite.getSize().x > 0) {
width =
fContentComposite.getSize().x
- LayoutUtil.defaultHMargin()
- fTitleImage.getSize().x
- LayoutUtil.defaultHSpacing()
- 10;
}
final Point size = super.computeSize(width, -1, true);
// if (width >= 0) {
// size.x = Math.min(size.x, width);
// }
return size;
}
};
fTitleText.setFont(JFaceResources.getDialogFont());
final GC gc = new GC(fTitleText);
final FontMetrics fontMetrics = gc.getFontMetrics();
final GridData imageGd = new GridData(SWT.FILL, SWT.TOP, false, false);
imageGd.horizontalIndent = hIndent;
final int textHeight = fontMetrics.getAscent() + fontMetrics.getLeading();
final int imageHeight = image.getBounds().height;
final int shift = Math.max(3, (int) ((fontMetrics.getDescent()) / 1.5));
if (textHeight + shift < imageHeight) {
imageGd.verticalIndent = vIndent + shift;
textGd.verticalIndent = vIndent + (imageHeight - textHeight);
} else {
imageGd.verticalIndent = vIndent + (textHeight - imageHeight) + shift;
textGd.verticalIndent = vIndent;
}
fTitleImage.setLayoutData(imageGd);
fTitleText.setLayoutData(textGd);
fLayoutWorkaround = true;
gc.dispose();
}
fInfoText =
new StyledText(
fContentComposite,
fMode == MODE_FOCUS
? (SWT.MULTI | SWT.READ_ONLY | SWT.V_SCROLL | SWT.H_SCROLL)
: (SWT.MULTI | SWT.READ_ONLY));
fInfoText.setIndent(hIndent);
fInfoText.setFont(JFaceResources.getFont(PREF_DETAIL_PANE_FONT));
final GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1);
// gd.widthHint = LayoutUtil.hintWidth(fInfoText, INFO_FONT, 50);
fInfoText.setLayoutData(gd);
setBackgroundColor(getShell().getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
setForegroundColor(getShell().getDisplay().getSystemColor(SWT.COLOR_INFO_FOREGROUND));
updateInput();
}