public void mouseClicked(MouseEvent ev) {
Window w = (Window) ev.getSource();
Frame f = null;
if (w instanceof Frame) {
f = (Frame) w;
} else {
return;
}
Point convertedPoint = SwingUtilities.convertPoint(w, ev.getPoint(), getTitlePane());
int state = f.getExtendedState();
if (getTitlePane() != null && getTitlePane().contains(convertedPoint)) {
if ((ev.getClickCount() % 2) == 0 && ((ev.getModifiers() & InputEvent.BUTTON1_MASK) != 0)) {
if (f.isResizable()) {
if ((state & Frame.MAXIMIZED_BOTH) != 0) {
f.setExtendedState(state & ~Frame.MAXIMIZED_BOTH);
} else {
f.setExtendedState(state | Frame.MAXIMIZED_BOTH);
}
return;
}
}
}
}
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));
}
}