static void updateStyle(JTextComponent comp, SynthContext context, String prefix) {
SynthStyle style = context.getStyle();
Color color = comp.getCaretColor();
if (color == null || color instanceof UIResource) {
comp.setCaretColor((Color) style.get(context, prefix + ".caretForeground"));
}
Color fg = comp.getForeground();
if (fg == null || fg instanceof UIResource) {
fg = style.getColorForState(context, ColorType.TEXT_FOREGROUND);
if (fg != null) {
comp.setForeground(fg);
}
}
Object ar = style.get(context, prefix + ".caretAspectRatio");
if (ar instanceof Number) {
comp.putClientProperty("caretAspectRatio", ar);
}
context.setComponentState(SELECTED | FOCUSED);
Color s = comp.getSelectionColor();
if (s == null || s instanceof UIResource) {
comp.setSelectionColor(style.getColor(context, ColorType.TEXT_BACKGROUND));
}
Color sfg = comp.getSelectedTextColor();
if (sfg == null || sfg instanceof UIResource) {
comp.setSelectedTextColor(style.getColor(context, ColorType.TEXT_FOREGROUND));
}
context.setComponentState(DISABLED);
Color dfg = comp.getDisabledTextColor();
if (dfg == null || dfg instanceof UIResource) {
comp.setDisabledTextColor(style.getColor(context, ColorType.TEXT_FOREGROUND));
}
Insets margin = comp.getMargin();
if (margin == null || margin instanceof UIResource) {
margin = (Insets) style.get(context, prefix + ".margin");
if (margin == null) {
// Some places assume margins are non-null.
margin = SynthLookAndFeel.EMPTY_UIRESOURCE_INSETS;
}
comp.setMargin(margin);
}
Caret caret = comp.getCaret();
if (caret instanceof UIResource) {
Object o = style.get(context, prefix + ".caretBlinkRate");
if (o != null && o instanceof Integer) {
Integer rate = (Integer) o;
caret.setBlinkRate(rate.intValue());
}
}
}
private void initializePane() {
mode = INSERT;
addKeyListener(
new KeyAdapter() {
public void keyPressed(KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_INSERT) {
toggleTypingMode();
}
}
});
// all editors display another caret when in overwrite mode
// replace it
setFont(new Font("Monospaced", Font.PLAIN, 12));
Caret c =
new DefaultCaret() {
public void paint(Graphics g) {
if (mode == INSERT) {
super.paint(g);
return;
}
JTextComponent comp = getComponent();
int dot = getDot();
Rectangle r = null;
char c;
try {
r = comp.modelToView(dot);
if (r == null) return;
c = comp.getText(dot, 1).charAt(0);
} catch (BadLocationException e) {
return;
}
// erase provious caret
if ((x != r.x) || (y != r.y)) {
repaint();
x = r.x;
y = r.y;
height = r.height;
}
g.setColor(comp.getCaretColor());
g.setXORMode(comp.getBackground());
width = g.getFontMetrics().charWidth(c);
if (c == '\t' || c == '\n') width = g.getFontMetrics().charWidth(' ');
if (isVisible()) {
g.fillRect(r.x, r.y, width, r.height);
}
}
};
c.setBlinkRate(500); // default rate
setCaret(c);
}