private void generateMouseEnterExitEventsForComponents( long when, int button, int x, int y, int screenX, int screenY, int modifiers, int clickCount, boolean popupTrigger, final LWComponentPeer<?, ?> targetPeer) { if (!isMouseOver || targetPeer == lastMouseEventPeer) { return; } // Generate Mouse Exit for components if (lastMouseEventPeer != null && lastMouseEventPeer.isEnabled()) { Point oldp = lastMouseEventPeer.windowToLocal(x, y, this); Component target = lastMouseEventPeer.getTarget(); postMouseExitedEvent( target, when, modifiers, oldp, screenX, screenY, clickCount, popupTrigger, button); } lastCommonMouseEventPeer = targetPeer; lastMouseEventPeer = targetPeer; // Generate Mouse Enter for components if (targetPeer != null && targetPeer.isEnabled()) { Point newp = targetPeer.windowToLocal(x, y, this); Component target = targetPeer.getTarget(); postMouseEnteredEvent( target, when, modifiers, newp, screenX, screenY, clickCount, popupTrigger, button); } }
@Override public void notifyMouseWheelEvent( long when, int x, int y, int modifiers, int scrollType, int scrollAmount, int wheelRotation, double preciseWheelRotation, byte[] bdata) { // TODO: could we just use the last mouse event target here? Rectangle r = getBounds(); // findPeerAt() expects parent coordinates final LWComponentPeer<?, ?> targetPeer = findPeerAt(r.x + x, r.y + y); if (targetPeer == null || !targetPeer.isEnabled()) { return; } Point lp = targetPeer.windowToLocal(x, y, this); // TODO: fill "bdata" member of AWTEvent // TODO: screenX/screenY postEvent( new MouseWheelEvent( targetPeer.getTarget(), MouseEvent.MOUSE_WHEEL, when, modifiers, lp.x, lp.y, 0, 0, /* screenX, Y */ 0 /* clickCount */, false /* popupTrigger */, scrollType, scrollAmount, wheelRotation, preciseWheelRotation)); }
public static LWWindowPeer getWindowUnderCursor() { return lastCommonMouseEventPeer != null ? lastCommonMouseEventPeer.getWindowPeerOrSelf() : null; }
/* * Called by the delegate to dispatch the event to Java. Event * coordinates are relative to non-client window are, i.e. the top-left * point of the client area is (insets.top, insets.left). */ @Override public void notifyMouseEvent( PlatformWindow eventPlatformWindow, int id, long when, int button, int x, int y, int screenX, int screenY, int modifiers, int clickCount, boolean popupTrigger, byte[] bdata) { // TODO: fill "bdata" member of AWTEvent Rectangle r = getBounds(); // findPeerAt() expects parent coordinates LWComponentPeer<?, ?> targetPeer = findPeerAt(r.x + x, r.y + y); if (id == MouseEvent.MOUSE_EXITED) { isMouseOver = false; if (lastMouseEventPeer != null) { if (lastMouseEventPeer.isEnabled()) { Point lp = lastMouseEventPeer.windowToLocal(x, y, this); Component target = lastMouseEventPeer.getTarget(); postMouseExitedEvent( target, when, modifiers, lp, screenX, screenY, clickCount, popupTrigger, button); } // Sometimes we may get MOUSE_EXITED after lastCommonMouseEventPeer is switched // to a peer from another window. So we must first check if this peer is // the same as lastWindowPeer if (lastCommonMouseEventPeer != null && lastCommonMouseEventPeer.getWindowPeerOrSelf() == this) { lastCommonMouseEventPeer = null; } lastMouseEventPeer = null; } } else if (id == MouseEvent.MOUSE_ENTERED) { isMouseOver = true; if (targetPeer != null) { if (targetPeer.isEnabled()) { Point lp = targetPeer.windowToLocal(x, y, this); Component target = targetPeer.getTarget(); postMouseEnteredEvent( target, when, modifiers, lp, screenX, screenY, clickCount, popupTrigger, button); } lastCommonMouseEventPeer = targetPeer; lastMouseEventPeer = targetPeer; } } else { LWWindowPeer topmostWindowPeer = eventPlatformWindow != null ? eventPlatformWindow.getPeer() : null; // topmostWindowPeer == null condition is added for the backward // compatibility with applets. It can be removed when the // getTopmostPlatformWindowUnderMouse() method will be properly // implemented in CPlatformEmbeddedFrame class if (topmostWindowPeer == this || topmostWindowPeer == null) { generateMouseEnterExitEventsForComponents( when, button, x, y, screenX, screenY, modifiers, clickCount, popupTrigger, targetPeer); } else { LWComponentPeer<?, ?> topmostTargetPeer = topmostWindowPeer.findPeerAt(r.x + x, r.y + y); topmostWindowPeer.generateMouseEnterExitEventsForComponents( when, button, x, y, screenX, screenY, modifiers, clickCount, popupTrigger, topmostTargetPeer); } // TODO: fill "bdata" member of AWTEvent int eventButtonMask = (button > 0) ? MouseEvent.getMaskForButton(button) : 0; int otherButtonsPressed = modifiers & ~eventButtonMask; // For pressed/dragged/released events OS X treats other // mouse buttons as if they were BUTTON2, so we do the same int targetIdx = (button > 3) ? MouseEvent.BUTTON2 - 1 : button - 1; // MOUSE_ENTERED/EXITED are generated for the components strictly under // mouse even when dragging. That's why we first update lastMouseEventPeer // based on initial targetPeer value and only then recalculate targetPeer // for MOUSE_DRAGGED/RELEASED events if (id == MouseEvent.MOUSE_PRESSED) { // Ungrab only if this window is not an owned window of the grabbing one. if (!isGrabbing() && grabbingWindow != null && !grabbingWindow.isOneOfOwnersOf(this)) { grabbingWindow.ungrab(); } if (otherButtonsPressed == 0) { mouseClickButtons = eventButtonMask; } else { mouseClickButtons |= eventButtonMask; } // The window should be focused on mouse click. If it gets activated by the native platform, // this request will be no op. It will take effect when: // 1. A simple not focused window is clicked. // 2. An active but not focused owner frame/dialog is clicked. // The mouse event then will trigger a focus request "in window" to the component, so the // window // should gain focus before. requestWindowFocus(CausedFocusEvent.Cause.MOUSE_EVENT); mouseDownTarget[targetIdx] = targetPeer; } else if (id == MouseEvent.MOUSE_DRAGGED) { // Cocoa dragged event has the information about which mouse // button is being dragged. Use it to determine the peer that // should receive the dragged event. targetPeer = mouseDownTarget[targetIdx]; mouseClickButtons &= ~modifiers; } else if (id == MouseEvent.MOUSE_RELEASED) { // TODO: currently, mouse released event goes to the same component // that received corresponding mouse pressed event. For most cases, // it's OK, however, we need to make sure that our behavior is consistent // with 1.6 for cases where component in question have been // hidden/removed in between of mouse pressed/released events. targetPeer = mouseDownTarget[targetIdx]; if ((modifiers & eventButtonMask) == 0) { mouseDownTarget[targetIdx] = null; } // mouseClickButtons is updated below, after MOUSE_CLICK is sent } if (targetPeer == null) { // TODO This can happen if this window is invisible. this is correct behavior in this case? targetPeer = this; } Point lp = targetPeer.windowToLocal(x, y, this); if (targetPeer.isEnabled()) { MouseEvent event = new MouseEvent( targetPeer.getTarget(), id, when, modifiers, lp.x, lp.y, screenX, screenY, clickCount, popupTrigger, button); postEvent(event); } if (id == MouseEvent.MOUSE_RELEASED) { if ((mouseClickButtons & eventButtonMask) != 0 && targetPeer.isEnabled()) { postEvent( new MouseEvent( targetPeer.getTarget(), MouseEvent.MOUSE_CLICKED, when, modifiers, lp.x, lp.y, screenX, screenY, clickCount, popupTrigger, button)); } mouseClickButtons &= ~eventButtonMask; } } notifyUpdateCursor(); }
/* * Called by the delegate to dispatch the event to Java. Event * coordinates are relative to non-client window are, i.e. the top-left * point of the client area is (insets.top, insets.left). */ @Override public void notifyMouseEvent( int id, long when, int button, int x, int y, int screenX, int screenY, int modifiers, int clickCount, boolean popupTrigger, byte[] bdata) { // TODO: fill "bdata" member of AWTEvent Rectangle r = getBounds(); // findPeerAt() expects parent coordinates LWComponentPeer targetPeer = findPeerAt(r.x + x, r.y + y); LWWindowPeer lastWindowPeer = (lastMouseEventPeer != null) ? lastMouseEventPeer.getWindowPeerOrSelf() : null; LWWindowPeer curWindowPeer = (targetPeer != null) ? targetPeer.getWindowPeerOrSelf() : null; if (id == MouseEvent.MOUSE_EXITED) { // Sometimes we may get MOUSE_EXITED after lastMouseEventPeer is switched // to a peer from another window. So we must first check if this peer is // the same as lastWindowPeer if (lastWindowPeer == this) { if (isEnabled()) { Point lp = lastMouseEventPeer.windowToLocal(x, y, lastWindowPeer); Component target = lastMouseEventPeer.getTarget(); postMouseEnteredExitedEvent( target, MouseEvent.MOUSE_EXITED, when, modifiers, lp, screenX, screenY, clickCount, popupTrigger, button); } lastMouseEventPeer = null; } } else { if (targetPeer != lastMouseEventPeer) { // lastMouseEventPeer may be null if mouse was out of Java windows if (lastMouseEventPeer != null && lastMouseEventPeer.isEnabled()) { // Sometimes, MOUSE_EXITED is not sent by delegate (or is sent a bit // later), in which case lastWindowPeer is another window if (lastWindowPeer != this) { Point oldp = lastMouseEventPeer.windowToLocal(x, y, lastWindowPeer); // Additionally translate from this to lastWindowPeer coordinates Rectangle lr = lastWindowPeer.getBounds(); oldp.x += r.x - lr.x; oldp.y += r.y - lr.y; Component target = lastMouseEventPeer.getTarget(); postMouseEnteredExitedEvent( target, MouseEvent.MOUSE_EXITED, when, modifiers, oldp, screenX, screenY, clickCount, popupTrigger, button); } else { Point oldp = lastMouseEventPeer.windowToLocal(x, y, this); Component target = lastMouseEventPeer.getTarget(); postMouseEnteredExitedEvent( target, MouseEvent.MOUSE_EXITED, when, modifiers, oldp, screenX, screenY, clickCount, popupTrigger, button); } } lastMouseEventPeer = targetPeer; if (targetPeer != null && targetPeer.isEnabled() && id != MouseEvent.MOUSE_ENTERED) { Point newp = targetPeer.windowToLocal(x, y, curWindowPeer); Component target = targetPeer.getTarget(); postMouseEnteredExitedEvent( target, MouseEvent.MOUSE_ENTERED, when, modifiers, newp, screenX, screenY, clickCount, popupTrigger, button); } } // TODO: fill "bdata" member of AWTEvent int eventButtonMask = (button > 0) ? MouseEvent.getMaskForButton(button) : 0; int otherButtonsPressed = modifiers & ~eventButtonMask; // For pressed/dragged/released events OS X treats other // mouse buttons as if they were BUTTON2, so we do the same int targetIdx = (button > 3) ? MouseEvent.BUTTON2 - 1 : button - 1; // MOUSE_ENTERED/EXITED are generated for the components strictly under // mouse even when dragging. That's why we first update lastMouseEventPeer // based on initial targetPeer value and only then recalculate targetPeer // for MOUSE_DRAGGED/RELEASED events if (id == MouseEvent.MOUSE_PRESSED) { // Ungrab only if this window is not an owned window of the grabbing one. if (!isGrabbing() && grabbingWindow != null && grabbingWindow != getOwnerFrameDialog(this)) { grabbingWindow.ungrab(); } if (otherButtonsPressed == 0) { mouseClickButtons = eventButtonMask; } else { mouseClickButtons |= eventButtonMask; } mouseDownTarget[targetIdx] = targetPeer; } else if (id == MouseEvent.MOUSE_DRAGGED) { // Cocoa dragged event has the information about which mouse // button is being dragged. Use it to determine the peer that // should receive the dragged event. targetPeer = mouseDownTarget[targetIdx]; mouseClickButtons &= ~modifiers; } else if (id == MouseEvent.MOUSE_RELEASED) { // TODO: currently, mouse released event goes to the same component // that received corresponding mouse pressed event. For most cases, // it's OK, however, we need to make sure that our behavior is consistent // with 1.6 for cases where component in question have been // hidden/removed in between of mouse pressed/released events. targetPeer = mouseDownTarget[targetIdx]; if ((modifiers & eventButtonMask) == 0) { mouseDownTarget[targetIdx] = null; } // mouseClickButtons is updated below, after MOUSE_CLICK is sent } // check if we receive mouseEvent from outside the window's bounds // it can be either mouseDragged or mouseReleased if (curWindowPeer == null) { // TODO This can happen if this window is invisible. this is correct behavior in this case? curWindowPeer = this; } if (targetPeer == null) { // TODO This can happen if this window is invisible. this is correct behavior in this case? targetPeer = this; } Point lp = targetPeer.windowToLocal(x, y, curWindowPeer); if (targetPeer.isEnabled()) { if (id == MouseEvent.MOUSE_ENTERED || id == MouseEvent.MOUSE_EXITED) { postMouseEnteredExitedEvent( targetPeer.getTarget(), id, when, modifiers, lp, screenX, screenY, clickCount, popupTrigger, button); } else { MouseEvent event = new MouseEvent( targetPeer.getTarget(), id, when, modifiers, lp.x, lp.y, screenX, screenY, clickCount, popupTrigger, button); postEvent(event); } } if (id == MouseEvent.MOUSE_RELEASED) { if ((mouseClickButtons & eventButtonMask) != 0 && targetPeer.isEnabled()) { postEvent( new MouseEvent( targetPeer.getTarget(), MouseEvent.MOUSE_CLICKED, when, modifiers, lp.x, lp.y, screenX, screenY, clickCount, popupTrigger, button)); } mouseClickButtons &= ~eventButtonMask; } } notifyUpdateCursor(); }