/** Sets the cursor based on the current tool and cursor location. */
public void setCursor(int sx, int sy, int ox, int oy) {
xMouse = ox;
yMouse = oy;
mouseExited = false;
Roi roi = imp.getRoi();
ImageWindow win = imp.getWindow();
if (win == null) return;
if (IJ.spaceBarDown()) {
setCursor(handCursor);
return;
}
int id = Toolbar.getToolId();
switch (Toolbar.getToolId()) {
case Toolbar.MAGNIFIER:
setCursor(moveCursor);
break;
case Toolbar.HAND:
setCursor(handCursor);
break;
default: // selection tool
if (id == Toolbar.SPARE1 || id >= Toolbar.SPARE2) {
if (Prefs.usePointerCursor) setCursor(defaultCursor);
else setCursor(crosshairCursor);
} else if (roi != null && roi.getState() != roi.CONSTRUCTING && roi.isHandle(sx, sy) >= 0)
setCursor(handCursor);
else if (Prefs.usePointerCursor
|| (roi != null && roi.getState() != roi.CONSTRUCTING && roi.contains(ox, oy)))
setCursor(defaultCursor);
else setCursor(crosshairCursor);
}
}
public void mouseMoved(MouseEvent e) {
// if (ij==null) return;
int sx = e.getX();
int sy = e.getY();
int ox = offScreenX(sx);
int oy = offScreenY(sy);
flags = e.getModifiers();
setCursor(sx, sy, ox, oy);
IJ.setInputEvent(e);
Roi roi = imp.getRoi();
if (roi != null
&& (roi.getType() == Roi.POLYGON
|| roi.getType() == Roi.POLYLINE
|| roi.getType() == Roi.ANGLE)
&& roi.getState() == roi.CONSTRUCTING) {
PolygonRoi pRoi = (PolygonRoi) roi;
pRoi.handleMouseMove(ox, oy);
} else {
if (ox < imageWidth && oy < imageHeight) {
ImageWindow win = imp.getWindow();
// Cursor must move at least 12 pixels before text
// displayed using IJ.showStatus() is overwritten.
if ((sx - sx2) * (sx - sx2) + (sy - sy2) * (sy - sy2) > 144) showCursorStatus = true;
if (win != null && showCursorStatus) win.mouseMoved(ox, oy);
} else IJ.showStatus("");
}
}
protected void handleRoiMouseDown(MouseEvent e) {
int sx = e.getX();
int sy = e.getY();
int ox = offScreenX(sx);
int oy = offScreenY(sy);
Roi roi = imp.getRoi();
int handle = roi != null ? roi.isHandle(sx, sy) : -1;
boolean multiPointMode =
roi != null
&& (roi instanceof PointRoi)
&& handle == -1
&& Toolbar.getToolId() == Toolbar.POINT
&& Toolbar.getMultiPointMode();
if (multiPointMode) {
imp.setRoi(((PointRoi) roi).addPoint(ox, oy));
return;
}
setRoiModState(e, roi, handle);
if (roi != null) {
if (handle >= 0) {
roi.mouseDownInHandle(handle, sx, sy);
return;
}
Rectangle r = roi.getBounds();
int type = roi.getType();
if (type == Roi.RECTANGLE
&& r.width == imp.getWidth()
&& r.height == imp.getHeight()
&& roi.getPasteMode() == Roi.NOT_PASTING
&& !(roi instanceof ImageRoi)) {
imp.killRoi();
return;
}
if (roi.contains(ox, oy)) {
if (roi.modState == Roi.NO_MODS) roi.handleMouseDown(sx, sy);
else {
imp.killRoi();
imp.createNewRoi(sx, sy);
}
return;
}
if ((type == Roi.POLYGON || type == Roi.POLYLINE || type == Roi.ANGLE)
&& roi.getState() == roi.CONSTRUCTING) return;
int tool = Toolbar.getToolId();
if ((tool == Toolbar.POLYGON || tool == Toolbar.POLYLINE || tool == Toolbar.ANGLE)
&& !(IJ.shiftKeyDown() || IJ.altKeyDown())) {
imp.killRoi();
return;
}
}
imp.createNewRoi(sx, sy);
}
public void mouseReleased(MouseEvent e) {
flags = e.getModifiers();
flags &= ~InputEvent.BUTTON1_MASK; // make sure button 1 bit is not set
flags &= ~InputEvent.BUTTON2_MASK; // make sure button 2 bit is not set
flags &= ~InputEvent.BUTTON3_MASK; // make sure button 3 bit is not set
Roi roi = imp.getRoi();
if (roi != null) {
Rectangle r = roi.getBounds();
int type = roi.getType();
if ((r.width == 0 || r.height == 0)
&& !(type == Roi.POLYGON || type == Roi.POLYLINE || type == Roi.ANGLE || type == Roi.LINE)
&& !(roi instanceof TextRoi)
&& roi.getState() == roi.CONSTRUCTING
&& type != roi.POINT) imp.killRoi();
else {
roi.handleMouseUp(e.getX(), e.getY());
if (roi.getType() == Roi.LINE && roi.getLength() == 0.0) imp.killRoi();
}
}
}
protected void handlePopupMenu(MouseEvent e) {
if (disablePopupMenu) return;
if (IJ.debugMode) IJ.log("show popup: " + (e.isPopupTrigger() ? "true" : "false"));
int x = e.getX();
int y = e.getY();
Roi roi = imp.getRoi();
if (roi != null
&& (roi.getType() == Roi.POLYGON
|| roi.getType() == Roi.POLYLINE
|| roi.getType() == Roi.ANGLE)
&& roi.getState() == roi.CONSTRUCTING) {
roi.handleMouseUp(x, y); // simulate double-click to finalize
roi.handleMouseUp(x, y); // polygon or polyline selection
return;
}
PopupMenu popup = Menus.getPopupMenu();
if (popup != null) {
add(popup);
if (IJ.isMacOSX()) IJ.wait(10);
popup.show(this, x, y);
}
}