/**
* Returns the corner that contains the point <code>x</code>, <code>y</code>, or -1 if the
* position doesn't match a corner.
*/
private int calculateCorner(Window w, int x, int y) {
Insets insets = w.getInsets();
int xPosition = calculatePosition(x - insets.left, w.getWidth() - insets.left - insets.right);
int yPosition = calculatePosition(y - insets.top, w.getHeight() - insets.top - insets.bottom);
if (xPosition == -1 || yPosition == -1) {
return -1;
}
return yPosition * 5 + xPosition;
}
public void mousePressed(MouseEvent ev) {
JRootPane rootPane = getRootPane();
if (rootPane.getWindowDecorationStyle() == JRootPane.NONE) {
return;
}
Point dragWindowOffset = ev.getPoint();
Window w = (Window) ev.getSource();
if (w != null) {
w.toFront();
}
Point convertedDragWindowOffset =
SwingUtilities.convertPoint(w, dragWindowOffset, getTitlePane());
Frame f = null;
Dialog d = null;
if (w instanceof Frame) {
f = (Frame) w;
} else if (w instanceof Dialog) {
d = (Dialog) w;
}
int frameState = (f != null) ? f.getExtendedState() : 0;
if (getTitlePane() != null && getTitlePane().contains(convertedDragWindowOffset)) {
if ((f != null && ((frameState & Frame.MAXIMIZED_BOTH) == 0) || (d != null))
&& dragWindowOffset.y >= BORDER_DRAG_THICKNESS
&& dragWindowOffset.x >= BORDER_DRAG_THICKNESS
&& dragWindowOffset.x < w.getWidth() - BORDER_DRAG_THICKNESS) {
isMovingWindow = true;
dragOffsetX = dragWindowOffset.x;
dragOffsetY = dragWindowOffset.y;
}
} else if (f != null && f.isResizable() && ((frameState & Frame.MAXIMIZED_BOTH) == 0)
|| (d != null && d.isResizable())) {
dragOffsetX = dragWindowOffset.x;
dragOffsetY = dragWindowOffset.y;
dragWidth = w.getWidth();
dragHeight = w.getHeight();
dragCursor = getCursor(calculateCorner(w, dragWindowOffset.x, dragWindowOffset.y));
}
}