/** Remove a given manipulator from a given window. The window must be registered. */
public synchronized void removeManipFromWindow(Manip manip, AWTGLAutoDrawable window) {
WindowInfo info = (WindowInfo) windowToInfoMap.get(window);
if (info == null) {
throw new RuntimeException("Window not registered");
}
if (!info.manips.remove(manip)) {
throw new RuntimeException("Manip not registered in window");
}
Set windows = (Set) manipToWindowMap.get(manip);
assert windows != null;
windows.remove(window);
}
/**
* Make a given manipulator visible and active in a given window. The window must be registered.
*/
public synchronized void showManipInWindow(Manip manip, AWTGLAutoDrawable window) {
WindowInfo info = (WindowInfo) windowToInfoMap.get(window);
if (info == null) {
throw new RuntimeException("Window not registered");
}
info.manips.add(manip);
Set windows = (Set) manipToWindowMap.get(manip);
if (windows == null) {
windows = new HashSet();
manipToWindowMap.put(manip, windows);
}
windows.add(window);
}
/** Remove all references to a given window, including removing all manipulators from it. */
public synchronized void unregisterWindow(AWTGLAutoDrawable window) {
if (window == null) {
return;
}
WindowInfo info = (WindowInfo) windowToInfoMap.get(window);
if (info != null) {
Object[] manips = info.manips.toArray();
for (int i = 0; i < manips.length; i++) {
removeManipFromWindow((Manip) manips[i], window);
}
windowToInfoMap.remove(window);
removeMouseListeners(window);
}
}
private void fireUpdate(Manip manip) {
Set windows = (Set) manipToWindowMap.get(manip);
assert windows != null;
for (Iterator iter = windows.iterator(); iter.hasNext(); ) {
windowListener.update((AWTGLAutoDrawable) iter.next());
}
}
/**
* This must be called for a registered window every time the camera parameters of the window
* change.
*/
public synchronized void updateCameraParameters(
AWTGLAutoDrawable window, CameraParameters params) {
WindowInfo info = (WindowInfo) windowToInfoMap.get(window);
if (info == null) {
throw new RuntimeException("Window not registered");
}
info.params.set(params);
}
/**
* Cause the manipulators for a given window to be drawn. The drawing occurs immediately; this
* routine must be called when an OpenGL context is valid, i.e., from within the display() method
* of a GLEventListener.
*/
public synchronized void render(AWTGLAutoDrawable window, GL2 gl) {
WindowInfo info = (WindowInfo) windowToInfoMap.get(window);
if (info == null) {
throw new RuntimeException("Window not registered");
}
for (Iterator iter = info.manips.iterator(); iter.hasNext(); ) {
((Manip) iter.next()).render(gl);
}
}
private void motionMethod(AWTGLAutoDrawable window, int x, int y) {
WindowInfo info = (WindowInfo) windowToInfoMap.get(window);
if (info.dragging) {
// Compute ray in 3D
Vec3f rayStart = new Vec3f();
Vec3f rayDirection = new Vec3f();
computeRay(info.params, x, y, rayStart, rayDirection);
info.curManip.drag(rayStart, rayDirection);
fireUpdate(info.curManip);
}
}
private void mouseMethod(AWTGLAutoDrawable window, int modifiers, boolean isPress, int x, int y) {
if ((modifiers & InputEvent.BUTTON1_MASK) != 0) {
WindowInfo info = (WindowInfo) windowToInfoMap.get(window);
if (isPress) {
// Compute ray in 3D
Vec3f rayStart = new Vec3f();
Vec3f rayDirection = new Vec3f();
computeRay(info.params, x, y, rayStart, rayDirection);
// Compute all hits
List hits = new ArrayList();
for (Iterator iter = info.manips.iterator(); iter.hasNext(); ) {
((Manip) iter.next()).intersectRay(rayStart, rayDirection, hits);
}
// Find closest one
HitPoint hp = null;
for (Iterator iter = hits.iterator(); iter.hasNext(); ) {
HitPoint cur = (HitPoint) iter.next();
if ((hp == null) || (cur.intPt.getT() < hp.intPt.getT())) {
hp = cur;
}
}
if (hp != null) {
if (info.curHighlightedManip != null) {
info.curHighlightedManip.clearHighlight();
fireUpdate(info.curHighlightedManip);
info.curHighlightedManip = null;
}
if ((modifiers & InputEvent.SHIFT_MASK) != 0) {
hp.shiftDown = true;
}
hp.manipulator.makeActive(hp);
info.curManip = hp.manipulator;
info.dragging = true;
fireUpdate(info.curManip);
}
} else {
if (info.curManip != null) {
info.curManip.makeInactive();
info.dragging = false;
fireUpdate(info.curManip);
info.curManip = null;
// Check to see where mouse is
passiveMotionMethod(window, x, y);
}
}
}
}
private void passiveMotionMethod(AWTGLAutoDrawable window, int x, int y) {
WindowInfo info = (WindowInfo) windowToInfoMap.get(window);
// Compute ray in 3D
Vec3f rayStart = new Vec3f();
Vec3f rayDirection = new Vec3f();
computeRay(info.params, x, y, rayStart, rayDirection);
// Compute all hits
List hits = new ArrayList();
for (Iterator iter = info.manips.iterator(); iter.hasNext(); ) {
((Manip) iter.next()).intersectRay(rayStart, rayDirection, hits);
}
// Find closest one
HitPoint hp = null;
for (Iterator iter = hits.iterator(); iter.hasNext(); ) {
HitPoint cur = (HitPoint) iter.next();
if ((hp == null) || (cur.intPt.getT() < hp.intPt.getT())) {
hp = cur;
}
}
if (info.curHighlightedManip != null
&& (hp == null
|| hp.manipulator != info.curHighlightedManip
|| hp.manipPart != info.curHighlightedManipPart)) {
info.curHighlightedManip.clearHighlight();
fireUpdate(info.curHighlightedManip);
}
if (hp != null) {
if (hp.manipulator != info.curHighlightedManip
|| hp.manipPart != info.curHighlightedManipPart) {
// Highlight manip
info.curHighlightedManip = hp.manipulator;
info.curHighlightedManipPart = hp.manipPart;
info.curHighlightedManip.highlight(hp);
fireUpdate(info.curHighlightedManip);
}
} else {
info.curHighlightedManip = null;
}
}
/**
* Make the ManipManager aware of the existence of a given window. This causes mouse and mouse
* motion listeners to be installed on this window; see setupMouseListeners, below.
*/
public synchronized void registerWindow(AWTGLAutoDrawable window) {
windowToInfoMap.put(window, new WindowInfo());
setupMouseListeners(window);
}