/** * Event.detail line start offset (input) Event.text line text (input) LineStyleEvent.styles * Enumeration of StyleRanges, need to be in order. (output) LineStyleEvent.background line * background color (output) */ public void lineGetStyle(LineStyleEvent event) { Vector styles = new Vector(); int token; StyleRange lastStyle; // If the line is part of a block comment, create one style for the entire line. if (inBlockComment(event.lineOffset, event.lineOffset + event.lineText.length())) { styles.addElement( new StyleRange(event.lineOffset, event.lineText.length(), getColor(COMMENT), null)); event.styles = new StyleRange[styles.size()]; styles.copyInto(event.styles); return; } Color defaultFgColor = ((Control) event.widget).getForeground(); scanner.setRange(event.lineText); token = scanner.nextToken(); while (token != EOF) { if (token == OTHER) { // do nothing for non-colored tokens } else if (token != WHITE) { Color color = getColor(token); // Only create a style if the token color is different than the // widget's default foreground color and the token's style is not // bold. Keywords are bolded. if ((!color.equals(defaultFgColor)) || (token == KEY)) { StyleRange style = new StyleRange( scanner.getStartOffset() + event.lineOffset, scanner.getLength(), color, null); if (token == KEY) { style.fontStyle = SWT.BOLD; } if (styles.isEmpty()) { styles.addElement(style); } else { // Merge similar styles. Doing so will improve performance. lastStyle = (StyleRange) styles.lastElement(); if (lastStyle.similarTo(style) && (lastStyle.start + lastStyle.length == style.start)) { lastStyle.length += style.length; } else { styles.addElement(style); } } } } else if ((!styles.isEmpty()) && ((lastStyle = (StyleRange) styles.lastElement()).fontStyle == SWT.BOLD)) { int start = scanner.getStartOffset() + event.lineOffset; lastStyle = (StyleRange) styles.lastElement(); // A font style of SWT.BOLD implies that the last style // represents a java keyword. if (lastStyle.start + lastStyle.length == start) { // Have the white space take on the style before it to // minimize the number of style ranges created and the // number of font style changes during rendering. lastStyle.length += scanner.getLength(); } } token = scanner.nextToken(); } event.styles = new StyleRange[styles.size()]; styles.copyInto(event.styles); }
@Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof ColorSampleLookupValue)) { return false; } ColorSampleLookupValue value = (ColorSampleLookupValue) o; if (myIsStandard != value.myIsStandard) { return false; } if (myColor != null ? !myColor.equals(value.myColor) : value.myColor != null) { return false; } if (myName != null ? !myName.equals(value.myName) : value.myName != null) { return false; } if (myValue != null ? !myValue.equals(value.myValue) : value.myValue != null) { return false; } return true; }
// Overridden for performance reasons. ----> @Override public boolean isOpaque() { Color back = getBackground(); Component p = getParent(); if (Objects.nonNull(p)) { p = p.getParent(); } // p should now be the JTable. boolean colorMatch = Objects.nonNull(back) && Objects.nonNull(p) && back.equals(p.getBackground()) && p.isOpaque(); return !colorMatch && super.isOpaque(); }
/** {@inheritDoc} */ public void setBackgroundColor(Color color) { if (color == null) { String message = Logging.getMessage("nullValue.ColorIsNull"); Logging.logger().severe(message); throw new IllegalArgumentException(message); } // Only set the color if it actually changed if (!color.equals(this.getBackgroundColor())) { this.backgroundColor = color; // Convert the color to an RGB hex triplet string that the WebBrowser will understand int rgb = (color.getRed() & 0xFF) << 16 | (color.getGreen() & 0xFF) << 8 | (color.getBlue() & 0xFF); String colorString = String.format("#%06X", rgb); WindowsWebViewJNI.setBackgroundColor(this.webViewWindowPtr, colorString); } }
static void fillRect( final Graphics g, final Component c, final Color color, final int x, final int y, final int w, final int h) { if (!(g instanceof Graphics2D)) { return; } final Graphics2D cg = (Graphics2D) g.create(); try { if (color instanceof UIResource && isWindowTextured(c) && color.equals(SystemColor.window)) { cg.setComposite(AlphaComposite.Src); cg.setColor(resetAlpha(color)); } else { cg.setColor(color); } cg.fillRect(x, y, w, h); } finally { cg.dispose(); } }
public Component getTableCellRendererComponent( JTable table, Setting owner, Object value, boolean isSelected, boolean hasFocus, boolean isEnabled, int row, int column) { // renderer.setMargin(new Insets(0, 2, 4, 2)); if (isSelected) { renderer.setForeground(table.getSelectionForeground()); panel.setBackground(table.getSelectionBackground()); blank1.setBackground(table.getSelectionBackground()); blank2.setBackground(table.getSelectionBackground()); } else { renderer.setForeground(table.getForeground()); panel.setBackground(table.getBackground()); blank1.setBackground(table.getBackground()); blank2.setBackground(table.getBackground()); } if (hasFocus) { panel.setBorder(UIManager.getBorder("Table.focusCellHighlightBorder")); } else { panel.setBorder(new EmptyBorder(1, 2, 2, 1)); } if (value instanceof Color) { Color col = (Color) value; // System.out.println("setting background to "+col.toString()); renderer.setText("[" + col.getRed() + "," + col.getGreen() + "," + col.getBlue() + "]"); renderer.setEnabled(isEnabled); renderer.setFont(font); colourPanel.setBackground(col); } else if (value instanceof ArrayList) { ArrayList values = (ArrayList) value; if (values.size() > 0) { // if we have multiple properties selected. Color last = null; boolean allSame = true; for (int i = 0; i < values.size(); i++) { if (values.get(i) instanceof Color) { Color str = (Color) values.get(i); if (last != null) { if (!str.equals(last)) { allSame = false; break; } last = str; } else { last = str; } } } if (allSame) { renderer.setText( "[" + last.getRed() + "," + last.getGreen() + "," + last.getBlue() + "]"); renderer.setEnabled(isEnabled); renderer.setFont(font); colourPanel.setBackground(last); } else { renderer.setText("(Different values)"); renderer.setEnabled(isEnabled); renderer.setFont(font); colourPanel.setBackground(Color.lightGray); panel.setBackground(Color.lightGray); blank1.setBackground(Color.lightGray); blank2.setBackground(Color.lightGray); } } } return panel; }