/** Return the JComboBox for the given event, or null if none. */
private JComboBox getComboBox(AWTEvent event) {
Component comp = (Component) event.getSource();
// Depends somewhat on LAF; sometimes the combo box is itself the
// button, sometimes a panel containing the button.
if (comp instanceof javax.swing.JButton) comp = comp.getParent();
if (comp instanceof JComboBox) return (JComboBox) comp;
return null;
}
/** Parse clicks to cancel the recording if we get a click that's not in the JList (or ESC). */
protected boolean parseClick(AWTEvent event) {
if (isFinished()) {
return false;
}
// FIXME add key-based activation/termination?
boolean consumed = true;
if (combo == null) {
combo = getComboBox(event);
listener =
new ActionListener() {
public void actionPerformed(ActionEvent ev) {
index = combo.getSelectedIndex();
if (!combo.isPopupVisible()) {
combo.removeActionListener(listener);
setFinished(true);
}
}
};
combo.addActionListener(listener);
setStatus("Waiting for selection");
} else if (event.getID() == KeyEvent.KEY_RELEASED
&& (((KeyEvent) event).getKeyCode() == KeyEvent.VK_SPACE
|| ((KeyEvent) event).getKeyCode() == KeyEvent.VK_ENTER)) {
index = combo.getSelectedIndex();
setFinished(true);
}
// Cancel via click somewhere else
else if (event.getID() == MouseEvent.MOUSE_PRESSED
&& !AWT.isOnPopup((Component) event.getSource())
&& combo != getComboBox(event)) {
setFinished(true);
consumed = false;
}
// Cancel via ESC key
else if (event.getID() == KeyEvent.KEY_RELEASED
&& ((KeyEvent) event).getKeyCode() == KeyEvent.VK_ESCAPE) {
setStatus("Selection canceled");
setFinished(true);
} else {
Log.debug("Event ignored");
}
if (list == null && combo.isPopupVisible()) list = tester.findComboList(combo);
if (isFinished()) {
combo.removeActionListener(listener);
listener = null;
}
return consumed;
}
public boolean dialogItemChanged(GenericDialog gd, AWTEvent e) {
if (IJ.isMacOSX()) IJ.wait(50);
Calibration cal = imp.getCalibration();
width = gd.getNextNumber();
height = gd.getNextNumber();
xRoi = gd.getNextNumber();
yRoi = gd.getNextNumber();
if (stackSize > 1) iSlice = (int) gd.getNextNumber();
oval = gd.getNextBoolean();
square = gd.getNextBoolean();
centered = gd.getNextBoolean();
if (cal.scaled()) scaledUnits = gd.getNextBoolean();
if (gd.invalidNumber() || width <= 0 || height <= 0) return false;
//
Vector numFields = gd.getNumericFields();
Vector checkboxes = gd.getCheckboxes();
boolean newWidth = false, newHeight = false, newXY = false;
if (e != null && e.getSource() == checkboxes.get(SQUARE) && square) {
width = 0.5 * (width + height); // make square: same width&height
height = width;
newWidth = true;
newHeight = true;
}
if (e != null && e.getSource() == checkboxes.get(CENTERED)) {
double shiftBy = centered ? 0.5 : -0.5; // 'centered' changed:
xRoi += shiftBy * width; // shift x, y to keep roi the same
yRoi += shiftBy * height;
newXY = true;
}
if (square && width != height && e != null) { // in 'square' mode, synchronize width&height
if (e.getSource() == numFields.get(WIDTH)) {
height = width;
newHeight = true;
} else if (e.getSource() == numFields.get(HEIGHT)) {
width = height;
newWidth = true;
}
}
if (e != null && cal.scaled() && e.getSource() == checkboxes.get(SCALED_UNITS)) {
double xFactor = scaledUnits ? cal.pixelWidth : 1. / cal.pixelWidth;
double yFactor = scaledUnits ? cal.pixelHeight : 1. / cal.pixelHeight;
width *= xFactor; // transform everything to keep roi the same
height *= yFactor;
xRoi *= xFactor;
yRoi *= yFactor;
newWidth = true;
newHeight = true;
newXY = true;
}
int digits = (scaledUnits || (int) width != width) ? 2 : 0;
if (newWidth) ((TextField) (numFields.get(WIDTH))).setText(IJ.d2s(width, digits));
if (newHeight) ((TextField) (numFields.get(HEIGHT))).setText(IJ.d2s(height, digits));
digits = (scaledUnits || (int) xRoi != xRoi || (int) yRoi != yRoi) ? 2 : 0;
if (newXY) {
((TextField) (numFields.get(X_ROI))).setText(IJ.d2s(xRoi, digits));
((TextField) (numFields.get(Y_ROI))).setText(IJ.d2s(yRoi, digits));
}
if (stackSize > 1 && iSlice > 0 && iSlice <= stackSize) imp.setSlice(iSlice);
if (!newWidth && !newHeight && !newXY) // don't draw if an update will come immediately
drawRoi();
return true;
}