public void mouseMoved(MouseEvent ev) {
JRootPane root = getRootPane();
if (root.getWindowDecorationStyle() == JRootPane.NONE) {
return;
}
Window w = (Window) ev.getSource();
Frame f = null;
Dialog d = null;
if (w instanceof Frame) {
f = (Frame) w;
} else if (w instanceof Dialog) {
d = (Dialog) w;
}
// Update the cursor
int cursor = getCursor(calculateCorner(w, ev.getX(), ev.getY()));
if (cursor != 0
&& ((f != null && (f.isResizable() && (f.getExtendedState() & Frame.MAXIMIZED_BOTH) == 0))
|| (d != null && d.isResizable()))) {
w.setCursor(Cursor.getPredefinedCursor(cursor));
} else {
w.setCursor(lastCursor);
}
}
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));
}
}
/** Handles mouse dragged event */
public void mouseDragged(MouseEvent ev) {
Window w = (Window) ev.getSource();
if (isMovingWindow) {
Point windowPt;
try {
windowPt = (Point) AccessController.doPrivileged(getLocationAction);
windowPt.x = windowPt.x - dragOffsetX;
windowPt.y = windowPt.y - dragOffsetY;
w.setLocation(windowPt);
windowMoved = true;
} catch (PrivilegedActionException e) {
}
}
}
public void mouseExited(MouseEvent ev) {
Window w = (Window) ev.getSource();
w.setCursor(lastCursor);
}
public void mouseEntered(MouseEvent ev) {
Window w = (Window) ev.getSource();
lastCursor = w.getCursor();
mouseMoved(ev);
}
public void mouseDragged(MouseEvent ev) {
Window w = (Window) ev.getSource();
Point pt = ev.getPoint();
if (isMovingWindow) {
Point windowPt;
try {
windowPt = (Point) AccessController.doPrivileged(getLocationAction);
windowPt.x = windowPt.x - dragOffsetX;
windowPt.y = windowPt.y - dragOffsetY;
w.setLocation(windowPt);
} catch (PrivilegedActionException e) {
}
} else if (dragCursor != 0) {
Rectangle r = w.getBounds();
Rectangle startBounds = new Rectangle(r);
Dimension min = w.getMinimumSize();
switch (dragCursor) {
case Cursor.E_RESIZE_CURSOR:
adjust(r, min, 0, 0, pt.x + (dragWidth - dragOffsetX) - r.width, 0);
break;
case Cursor.S_RESIZE_CURSOR:
adjust(r, min, 0, 0, 0, pt.y + (dragHeight - dragOffsetY) - r.height);
break;
case Cursor.N_RESIZE_CURSOR:
adjust(r, min, 0, pt.y - dragOffsetY, 0, -(pt.y - dragOffsetY));
break;
case Cursor.W_RESIZE_CURSOR:
adjust(r, min, pt.x - dragOffsetX, 0, -(pt.x - dragOffsetX), 0);
break;
case Cursor.NE_RESIZE_CURSOR:
adjust(
r,
min,
0,
pt.y - dragOffsetY,
pt.x + (dragWidth - dragOffsetX) - r.width,
-(pt.y - dragOffsetY));
break;
case Cursor.SE_RESIZE_CURSOR:
adjust(
r,
min,
0,
0,
pt.x + (dragWidth - dragOffsetX) - r.width,
pt.y + (dragHeight - dragOffsetY) - r.height);
break;
case Cursor.NW_RESIZE_CURSOR:
adjust(
r,
min,
pt.x - dragOffsetX,
pt.y - dragOffsetY,
-(pt.x - dragOffsetX),
-(pt.y - dragOffsetY));
break;
case Cursor.SW_RESIZE_CURSOR:
adjust(
r,
min,
pt.x - dragOffsetX,
0,
-(pt.x - dragOffsetX),
pt.y + (dragHeight - dragOffsetY) - r.height);
break;
default:
break;
}
if (!r.equals(startBounds)) {
w.setBounds(r);
// Defer repaint/validate on mouseReleased unless dynamic
// layout is active.
if (Toolkit.getDefaultToolkit().isDynamicLayoutActive()) {
w.validate();
getRootPane().repaint();
}
}
}
}