下面列出了javafx.scene.input.MouseEvent#getButton ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
protected void performPointDrag(final MouseEvent event) {
if (event.getButton() == MouseButton.PRIMARY && !controlDown && isPointDragActive) {
if (mouseOriginX < 0) {
mouseOriginX = event.getSceneX();
}
if (mouseOriginY < 0) {
mouseOriginY = event.getSceneY();
}
final double deltaX = event.getSceneX() - mouseOriginX;
final double deltaY = event.getSceneY() - mouseOriginY;
// get the latest mouse coordinate.
mouseOriginX = event.getSceneX();
mouseOriginY = event.getSceneY();
applyDrag(deltaX, deltaY);
event.consume();
} else {
isPointDragActive = false;
}
}
/**
* Returns an {@link EventHandler} that sets X and/or Y axis auto ranging when the primary mouse button is
* double-clicked. If the click occurs inside the X axis area auto range only the X axis and similarly for Y axis. But
* if the event is in the plot area or anywhere else, auto range both axes.
*/
public static EventHandler<MouseEvent> getDoublePrimaryClickAutoRangeHandler( final XYChartInfo chartInfo ) {
return new EventHandler<MouseEvent>() {
@Override
public void handle( MouseEvent event ) {
if ( event.getClickCount() == 2 && event.getButton() == MouseButton.PRIMARY ) {
double x = event.getX();
double y = event.getY();
if ( !chartInfo.getXAxisArea().contains( x, y ) )
chartInfo.getChart().getYAxis().setAutoRanging( true );
if ( !chartInfo.getYAxisArea().contains( x, y ) )
chartInfo.getChart().getXAxis().setAutoRanging( true );
}
}
};
}
/**
* Invoked when a mouse press has occurred over the button. In addition to
* potentially arming the Button, this will transfer focus to the button
*/
@Override public void mousePressed(MouseEvent e) {
final ButtonBase button = getControl();
super.mousePressed(e);
// if the button is not already focused, then request the focus
if (! button.isFocused() && button.isFocusTraversable()) {
button.requestFocus();
}
// arm the button if it is a valid mouse event
// Note there appears to be a bug where if I press and hold and release
// then there is a clickCount of 0 on the release, whereas a quick click
// has a release clickCount of 1. So here I'll check clickCount <= 1,
// though it should really be == 1 I think.
boolean valid = (e.getButton() == MouseButton.PRIMARY &&
! (e.isMiddleButtonDown() || e.isSecondaryButtonDown() ||
e.isShiftDown() || e.isControlDown() || e.isAltDown() || e.isMetaDown()));
if (! button.isArmed() && valid) {
button.arm();
}
}
private void showContextMenu(MouseEvent event) {
menu.hide();
final List<IliasTreeNode> selectedNodes = ((ResultList) event.getSource())
.getSelectionModel().getSelectedItems();
if (selectedNodes.isEmpty() || selectedNodes == null) {
return;
}
if (selectedNodes.size() == 1) {
dashboard.getCoursesTreeView().selectFile((IliasFile) selectedNodes.get(0));
}
if (event.getButton() == MouseButton.SECONDARY) {
menu = new FileContextMenu(dashboard).createMenu(selectedNodes, event);
menu.show(this, event.getScreenX(), event.getScreenY());
}
}
/** Copy PV name to clipboard when middle button clicked
* @param event Mouse pressed event
*/
private void hookMiddleButtonCopy(final MouseEvent event)
{
if (event.getButton() != MouseButton.MIDDLE)
return;
final String pv_name = ((PVWidget)model_widget).propPVName().getValue();
// Copy to copy/paste clipboard
final ClipboardContent content = new ClipboardContent();
content.putString(pv_name);
Clipboard.getSystemClipboard().setContent(content);
// Copy to the 'selection' buffer used by X11
// for middle-button copy/paste
// Note: This is AWT API!
// JavaFX has no API, https://bugs.openjdk.java.net/browse/JDK-8088117
if (Toolkit.getDefaultToolkit().getSystemSelection() != null)
Toolkit.getDefaultToolkit().getSystemSelection().setContents(new StringSelection(pv_name), null);
}
/**
* Handle tree item clicked
*
* @param mouseEvent
*/
@FXML
public void handleTreeClicked(MouseEvent mouseEvent) {
rightClickDevicesTreeMenu.ifPresent(ContextMenu::hide);
CustomTreeItem selected = (CustomTreeItem) devicesTree.getSelectionModel().getSelectedItem();
if (selected != null) {
if (mouseEvent.getButton() == MouseButton.SECONDARY) {
updateContextMenuState();
rightClickDevicesTreeMenu = Optional.ofNullable(selected.getMenu());
rightClickDevicesTreeMenu.ifPresent(contextMenu -> {
contextMenu.show(devicesTree, mouseEvent.getScreenX(), mouseEvent.getScreenY());
});
}
}
}
@Override
public void handle(MouseEvent event) {
MouseButton button = event.getButton();
if (button == MouseButton.PRIMARY) {
if (event.getClickCount() == 1 && (event.isShiftDown())) {
if (thisobjectgrid.isinlineupdate)
if (!thisobjectgrid.updatemodeactive) { // currently, table in read mode, move to
logger.fine("moving tableview " + thisobjectgrid.name + " to update mode");
thisobjectgrid.tableview.setEditable(true);
thisobjectgrid.tableview.getSelectionModel().setCellSelectionEnabled(true);
thisobjectgrid.updatemodeactive = true;
thisobjectgrid.startupdate.setDisable(true);
thisobjectgrid.commitupdate.setDisable(false);
return;
}
}
if (thisobjectgrid.isinlineupdate)
if (thisobjectgrid.updatemodeactive)
if (event.getClickCount() == 1) {
if (thisobjectgrid.tableview.getEditingCell() == null) {
@SuppressWarnings("unchecked")
TablePosition<CObjectGridLine<String>, ?> focusedCellPosition = thisobjectgrid.tableview
.getFocusModel().getFocusedCell();
thisobjectgrid.tableview.edit(focusedCellPosition.getRow(),
focusedCellPosition.getTableColumn());
}
}
if (thisobjectgrid.iscellaction)
if (event.getClickCount() > 1) {
// trigger the action on double click only if updatemode is not active
if (!thisobjectgrid.updatemodeactive) {
logger.info("Single action click detected");
pageactionmanager.getMouseHandler().handle(event);
}
}
}
}
protected void doubleClickedRectangle(MouseEvent event) {
if (maskRectangleLine == null || !maskRectangleLine.isVisible()) {
return;
}
DoublePoint p = getImageXY(event, imageView);
if (p != null) {
double x = p.getX();
double y = p.getY();
if (event.getButton() == MouseButton.PRIMARY) {
if (x < maskRectangleData.getBigX() && y < maskRectangleData.getBigY()) {
maskRectangleData.setSmallX(x);
maskRectangleData.setSmallY(y);
drawMaskRectangleLine();
}
} else if (event.getButton() == MouseButton.SECONDARY) {
if (x > maskRectangleData.getSmallX() && y > maskRectangleData.getSmallY()) {
maskRectangleData.setBigX(x);
maskRectangleData.setBigY(y);
drawMaskRectangleLine();
}
}
}
}
/**
* Use this method to process a click event and send a special GUI event by the means of the message system.
* @param event MouseEvent. A click event
*/
void notifyClickEvent(MouseEvent event) {
if (!event.isStillSincePress()) {
return;
}
Map<String, Object> m = new HashMap<>();
m.put("screenX", event.getScreenX());
m.put("screenY", event.getScreenY());
m.put("nodeX", event.getScreenX() - sender.getLayoutX());
m.put("nodeY", event.getScreenY() - sender.getLayoutY());
m.put("nodeWidth", sender.getLayoutBounds().getWidth());
m.put("nodeHeight", sender.getLayoutBounds().getHeight());
StringBuilder eventMessage = new StringBuilder("gui-events:").append(senderName).append("-");
if (event.getButton() == MouseButton.PRIMARY) {
if (event.getClickCount() == 2) {
eventMessage.append("double");
} else {
eventMessage.append("left");
}
} else if (event.getButton() == MouseButton.SECONDARY) {
eventMessage.append("right");
} else if (event.getButton() == MouseButton.MIDDLE) {
eventMessage.append("middle");
} else {
return;
}
eventMessage.append("-click");
Main.getInstance().getPluginProxy().sendMessage(eventMessage.toString(), m);
}
@FXML
@Override
public void mousePressed(MouseEvent event) {
if (null == opType || imageView == null || imageView.getImage() == null) {
return;
}
DoublePoint p = imageController.getImageXY(event, imageView);
imageController.showXY(event, p);
if (event.getButton() == MouseButton.SECONDARY || p == null) {
return;
}
switch (opType) {
case Polyline:
if (lastX == event.getX() && lastY == event.getY()) {
return;
}
imageController.scrollPane.setPannable(false);
imageController.maskLineData.add(p);
lastX = event.getX();
lastY = event.getY();
drawPolyline();
break;
case DrawLines:
case Erase:
// case Mosaic:
// case Frosted:
imageController.scrollPane.setPannable(false);
imageController.maskPenData.startLine(p);
lastX = event.getX();
lastY = event.getY();
updateMask();
}
}
@FXML
@Override
public void mouseDragged(MouseEvent event) {
if (null == opType || imageView == null || imageView.getImage() == null) {
return;
}
DoublePoint p = imageController.getImageXY(event, imageView);
imageController.showXY(event, p);
if (event.getButton() == MouseButton.SECONDARY || p == null) {
return;
}
switch (opType) {
case Polyline:
if (lastX == event.getX() && lastY == event.getY()) {
return;
}
imageController.scrollPane.setPannable(false);
imageController.maskLineData.add(p);
lastX = event.getX();
lastY = event.getY();
drawPolyline();
break;
case DrawLines:
case Erase:
// case Mosaic:
// case Frosted:
imageController.scrollPane.setPannable(false);
imageController.maskPenData.addPoint(p);
lastX = event.getX();
lastY = event.getY();
updateMask();
}
}
@Override
public void handle(MouseEvent event) {
MouseButton btn = event.getButton();
if (!(event.getTarget() instanceof Canvas)) {
return;
}
Canvas c = (Canvas) event.getTarget();
Point2D p = c.sceneToLocal(event.getSceneX(), event.getSceneY());
int mousex = (int) p.getX();
int mousey = (int) p.getY();
if (event.getEventType() == MouseEvent.MOUSE_MOVED || event.getEventType() == MouseEvent.MOUSE_DRAGGED) {
canvas.mouseMoved(mousex, mousey);
canvas.setLastMousePosition(mousex, mousey);
if (mouseDown) {
this.canvas.requestPaint();
}
} else {
if (event.getEventType() == MouseEvent.MOUSE_PRESSED) {
mouseDown = true;
canvas.mousePressed(mousex, mousey, btn);
} else if (event.getEventType() == MouseEvent.MOUSE_RELEASED) {
canvas.mouseReleased(mousex, mousey, btn);
mouseDown = false;
canvas.requestPaint();
}
}
}
@FXML
protected void requestMoney(MouseEvent event) {
if (event.getButton() == MouseButton.SECONDARY || (event.getButton() == MouseButton.PRIMARY && event.isMetaDown())) {
// User right clicked or the Mac equivalent. Show the context menu.
addressMenu.show(addressLabel, event.getScreenX(), event.getScreenY());
} else {
// User left clicked.
try {
Desktop.getDesktop().browse(URI.create(uri()));
} catch (IOException e) {
GuiUtils.informationalAlert("Opening wallet app failed", "Perhaps you don't have one installed?");
}
}
}
@FXML
protected void requestMoney(MouseEvent event) {
if (event.getButton() == MouseButton.SECONDARY || (event.getButton() == MouseButton.PRIMARY && event.isMetaDown())) {
// User right clicked or the Mac equivalent. Show the context menu.
addressMenu.show(addressLabel, event.getScreenX(), event.getScreenY());
} else {
// User left clicked.
try {
Desktop.getDesktop().browse(URI.create(uri()));
} catch (IOException e) {
GuiUtils.informationalAlert("Opening wallet app failed", "Perhaps you don't have one installed?");
}
}
}
/**
* Adds graphics to the map view on mouse clicks.
*
* @param e mouse button click event
*/
@FXML
private void handleMouseClicked(MouseEvent e) {
if (e.getButton() == MouseButton.PRIMARY && e.isStillSincePress()) {
// convert clicked point to a map point
Point mapPoint = mapView.screenToLocation(new Point2D(e.getX(), e.getY()));
// create a new graphic with the point and symbol
Graphic graphic = new Graphic(mapPoint, faceSymbol);
graphicsOverlay.getGraphics().add(graphic);
}
}
@FXML
protected void requestMoney(MouseEvent event) {
if (event.getButton() == MouseButton.SECONDARY || (event.getButton() == MouseButton.PRIMARY && event.isMetaDown())) {
// User right clicked or the Mac equivalent. Show the context menu.
addressMenu.show(addressLabel, event.getScreenX(), event.getScreenY());
} else {
// User left clicked.
try {
Desktop.getDesktop().browse(URI.create(uri()));
} catch (IOException e) {
GuiUtils.informationalAlert("Opening wallet app failed", "Perhaps you don't have one installed?");
}
}
}
@Override
public void recordRawMouseEvent(final RFXComponent r, MouseEvent e) {
final JSONObject event = new JSONObject();
event.put("type", "click_raw");
int button = e.getButton() == MouseButton.PRIMARY ? java.awt.event.MouseEvent.BUTTON1 : java.awt.event.MouseEvent.BUTTON3;
event.put("button", button);
event.put("clickCount", e.getClickCount());
event.put("modifiersEx", buildModifiersText(e));
Node source = (Node) e.getSource();
Node target = r.getComponent();
Point2D sts = source.localToScene(new Point2D(e.getX(), e.getY()));
Point2D tts = target.sceneToLocal(sts);
event.put("x", tts.getX());
event.put("y", tts.getY());
final JSONObject o = new JSONObject();
o.put("event", event);
fill(r, o);
if (e.getClickCount() == 1) {
clickTimer = new Timer();
clickTimer.schedule(new TimerTask() {
@Override
public void run() {
sendRecordMessage(o);
}
}, timerinterval.intValue());
} else if (e.getClickCount() == 2) {
if (clickTimer != null) {
clickTimer.cancel();
clickTimer = null;
}
sendRecordMessage(o);
}
}
private void archiveOnDoubleClick(MouseEvent event) {
if (event.getButton() == MouseButton.PRIMARY && event.getClickCount() > 1) {
int numRecordings = recordingSelection.getRecordingsWithChildren().size();
// If the user double-clicks a group header, just expand/collapse it, don't archive everything in it
if (recordingSelection.isArchivableProperty().get() && numRecordings == 1) {
mainApp.archiveSelection();
}
}
}
public static boolean isOnlyPrimaryButtonDown(final MouseEvent event) {
return event.getButton() == PRIMARY && !event.isMiddleButtonDown() && !event.isSecondaryButtonDown();
}