public void mouseDragged(MouseEvent evt) {
Graphics g = canvas.getGraphics();
g.setColor(color);
if (type == 0) {
g.setXORMode(canvas.getBackground());
g.drawRect(start.x, start.y, end.x - start.x, end.y - start.y);
end = evt.getPoint();
g.drawRect(start.x, start.y, end.x - start.x, end.y - start.y);
} else if (type == 1) {
int radius;
g.setXORMode(canvas.getBackground());
radius = (int) Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
g.drawOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
end = evt.getPoint();
radius = (int) Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
g.drawOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
} else if (type == 2) {
g.setXORMode(canvas.getBackground());
g.drawOval(start.x, start.y, end.x - start.x, end.y - start.y);
end = evt.getPoint();
g.drawOval(start.x, start.y, end.x - start.x, end.y - start.y);
}
}
private void paintBell(Graphics g) {
P9TermPreferences preferences = P9Term.getPreferences();
if (preferences.getBoolean(P9TermPreferences.VISUAL_BELL) == false) {
return;
}
Color foreground = preferences.getColor(P9TermPreferences.FOREGROUND_COLOR);
if (preferences.getBoolean(P9TermPreferences.FANCY_BELL)) {
// On decent hardware, we can produce a really tasteful effect by compositing a
// semi-transparent rectangle over the terminal.
// We need to choose a color that will show up against the background.
// A reasonable assumption is that the user has already chosen such a color for the
// foreground.
Color color =
new Color(foreground.getRed(), foreground.getGreen(), foreground.getBlue(), 100);
g.setColor(color);
g.fillRect(0, 0, getWidth(), getHeight());
} else {
// On a remote X11 display (or really rubbish hardware) the compositing effect is
// prohibitively expensive, so we offer XOR instead.
Color background = preferences.getColor(P9TermPreferences.BACKGROUND_COLOR);
;
final int R = blend(background.getRed(), foreground.getRed());
final int G = blend(background.getGreen(), foreground.getGreen());
final int B = blend(background.getBlue(), foreground.getBlue());
g.setColor(background);
g.setXORMode(new Color(R, G, B));
g.fillRect(0, 0, getWidth(), getHeight());
g.setPaintMode();
}
}
private void drawLine(JComponent c, int x, int y) {
_xedit = x;
_yedit = y;
Graphics g = c.getGraphics();
g.setColor(Color.BLACK);
g.setXORMode(c.getBackground());
g.drawLine(_xdown, _ydown, _xedit, _yedit);
g.dispose();
}
private void doPaint(Graphics g) {
GraphicsUtil.setupAntialiasing(g);
final boolean isEmpty = getIcon() == null && StringUtil.isEmpty(getText());
final Dimension size = getSize();
if (isSmallVariant()) {
final Graphics2D g2 = (Graphics2D) g;
g2.setColor(UIUtil.getControlColor());
final int w = getWidth();
final int h = getHeight();
if (getModel().isArmed() && getModel().isPressed()) {
g2.setPaint(
new GradientPaint(
0,
0,
UIUtil.getControlColor(),
0,
h,
ColorUtil.shift(UIUtil.getControlColor(), 0.8)));
} else {
g2.setPaint(
new GradientPaint(
0,
0,
ColorUtil.shift(UIUtil.getControlColor(), 1.1),
0,
h,
ColorUtil.shift(UIUtil.getControlColor(), 0.9)));
}
g2.fillRect(2, 0, w - 2, h);
GraphicsUtil.setupAntialiasing(g2);
if (!myMouseInside) {
g2.setPaint(
new GradientPaint(
0, 0, UIUtil.getBorderColor(), 0, h, UIUtil.getBorderColor().darker()));
// g2.setColor(UIUtil.getBorderColor());
} else {
g2.setPaint(
new GradientPaint(
0,
0,
UIUtil.getBorderColor().darker(),
0,
h,
UIUtil.getBorderColor().darker().darker()));
}
g2.drawRect(2, 0, w - 3, h - 1);
final Icon icon = getIcon();
int x = 7;
if (icon != null) {
icon.paintIcon(null, g, x, (size.height - icon.getIconHeight()) / 2);
x += icon.getIconWidth() + 3;
}
if (!StringUtil.isEmpty(getText())) {
final Font font = getFont();
g2.setFont(font);
g2.setColor(UIManager.getColor("Panel.foreground"));
g2.drawString(getText(), x, (size.height + font.getSize()) / 2 - 1);
}
} else {
super.paintComponent(g);
}
final Insets insets = super.getInsets();
final Icon icon = isEnabled() ? ARROW_ICON : DISABLED_ARROW_ICON;
final int x;
if (isEmpty) {
x = (size.width - icon.getIconWidth()) / 2;
} else {
if (isSmallVariant()) {
x = size.width - icon.getIconWidth() - insets.right + 1;
} else {
x =
size.width
- icon.getIconWidth()
- insets.right
+ (UIUtil.isUnderNimbusLookAndFeel() ? -3 : 2);
}
}
if (UIUtil.isUnderDarcula()) {
g.setXORMode(new Color(208, 188, 159));
}
icon.paintIcon(null, g, x, (size.height - icon.getIconHeight()) / 2);
g.setPaintMode();
}