/** @param gc */
private void paintSpellError(GC gc) {
if (ranges.isEmpty()) return;
int lineStyle = gc.getLineStyle();
int lineWidth = gc.getLineWidth();
Color lineColor = gc.getForeground();
gc.setLineWidth(2);
gc.setLineStyle(SWT.LINE_DOT);
gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_RED));
int charCount = contentAdapter.getControlContents(control).length();
Rectangle clipping = gc.getClipping();
lineCache.clear();
for (Object obj : ranges.values().toArray()) {
SpellCheckEvent range = (SpellCheckEvent) obj;
int start = range.getWordContextPosition();
if (start < 0 || start >= charCount) continue;
int length = Math.min(range.getInvalidWord().length(), charCount - start);
if (length <= 0) continue;
drawLines(gc, start, start + length - 1, clipping);
}
gc.setLineWidth(lineWidth);
gc.setLineStyle(lineStyle);
gc.setForeground(lineColor);
}
@Test
public void testRestoresState() {
dispatcher.dispatch();
assertEquals(0, gc.getAlpha());
assertEquals(0, gc.getLineWidth());
assertNull(gc.getForeground());
}
/**
* Paints the preview at the given x/y position
*
* @param gc the graphics context to paint it into
* @param x the x coordinate to paint the preview at
* @param y the y coordinate to paint the preview at
*/
void paint(GC gc, int x, int y) {
mTitleHeight = paintTitle(gc, x, y, true /*showFile*/);
y += mTitleHeight;
y += 2;
int width = getWidth();
int height = getHeight();
if (mThumbnail != null && mError == null) {
gc.drawImage(mThumbnail, x, y);
if (mActive) {
int oldWidth = gc.getLineWidth();
gc.setLineWidth(3);
gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_LIST_SELECTION));
gc.drawRectangle(x - 1, y - 1, width + 2, height + 2);
gc.setLineWidth(oldWidth);
}
} else if (mError != null) {
if (mThumbnail != null) {
gc.drawImage(mThumbnail, x, y);
} else {
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BORDER));
gc.drawRectangle(x, y, width, height);
}
gc.setClipping(x, y, width, height);
Image icon = IconFactory.getInstance().getIcon("renderError"); // $NON-NLS-1$
ImageData data = icon.getImageData();
int prevAlpha = gc.getAlpha();
int alpha = 96;
if (mThumbnail != null) {
alpha -= 32;
}
gc.setAlpha(alpha);
gc.drawImage(icon, x + (width - data.width) / 2, y + (height - data.height) / 2);
String msg = mError;
Density density = mConfiguration.getDensity();
if (density == Density.TV || density == Density.LOW) {
msg =
"Broken rendering library; unsupported DPI. Try using the SDK manager "
+ "to get updated layout libraries.";
}
int charWidth = gc.getFontMetrics().getAverageCharWidth();
int charsPerLine = (width - 10) / charWidth;
msg = SdkUtils.wrap(msg, charsPerLine, null);
gc.setAlpha(255);
gc.setForeground(gc.getDevice().getSystemColor(SWT.COLOR_BLACK));
gc.drawText(msg, x + 5, y + HEADER_HEIGHT, true);
gc.setAlpha(prevAlpha);
gc.setClipping((Region) null);
} else {
gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_WIDGET_BORDER));
gc.drawRectangle(x, y, width, height);
Image icon = IconFactory.getInstance().getIcon("refreshPreview"); // $NON-NLS-1$
ImageData data = icon.getImageData();
int prevAlpha = gc.getAlpha();
gc.setAlpha(96);
gc.drawImage(icon, x + (width - data.width) / 2, y + (height - data.height) / 2);
gc.setAlpha(prevAlpha);
}
if (mActive) {
int left = x;
int prevAlpha = gc.getAlpha();
gc.setAlpha(208);
Color bg = mCanvas.getDisplay().getSystemColor(SWT.COLOR_WHITE);
gc.setBackground(bg);
gc.fillRectangle(left, y, x + width - left, HEADER_HEIGHT);
gc.setAlpha(prevAlpha);
y += 2;
// Paint icons
gc.drawImage(CLOSE_ICON, left, y);
left += CLOSE_ICON_WIDTH;
gc.drawImage(ZOOM_IN_ICON, left, y);
left += ZOOM_IN_ICON_WIDTH;
gc.drawImage(ZOOM_OUT_ICON, left, y);
left += ZOOM_OUT_ICON_WIDTH;
gc.drawImage(EDIT_ICON, left, y);
left += EDIT_ICON_WIDTH;
}
}