private boolean handleKeyDown(NativeEvent e) {
// Don't dispatch on bare modifier keypresses.
if (KeyboardHelper.isModifierKey(e.getKeyCode())) return false;
keyBuffer_.add(e);
KeyboardShortcut shortcut = new KeyboardShortcut(keyBuffer_);
// Check for disabled modal shortcuts if we're modal
if (editorMode_ > 0) {
for (KeyboardShortcut modalShortcut : modalShortcuts_) {
if (modalShortcut.equals(shortcut) && modalShortcut.isModeDisabled(editorMode_)) {
return false;
}
}
}
// Check for user-defined commands.
if (userCommands_.dispatch(shortcut)) return true;
// Check for custom bindings for RStudio AppCommands.
if (dispatch(shortcut, customBindings_, e)) return true;
// Check for RStudio AppCommands.
if (dispatch(shortcut, commands_, e, maskedCommands_)) return true;
return false;
}
private boolean handleKeyDown(NativeEvent e) {
// Don't dispatch on bare modifier keypresses.
if (KeyboardHelper.isModifierKey(e.getKeyCode())) return false;
keyBuffer_.add(e);
KeyboardShortcut shortcut = new KeyboardShortcut(keyBuffer_.clone());
// If this matches a prefix key, return false early.
if (prefixes_.contains(shortcut.getKeySequence())) return false;
// Clear the key buffer (we've reached a 'leaf' for the
// key sequence chain; there may or may not be a command)
keyBuffer_.clear();
// Check for user-defined commands.
if (userCommands_.dispatch(shortcut)) return true;
// Check for custom bindings for RStudio AppCommands.
if (dispatch(shortcut, customBindings_, e)) return true;
// Check for RStudio AppCommands.
if (dispatch(shortcut, commands_, e, maskedCommands_)) return true;
return false;
}
@Override
public void onBrowserEvent(
Context context,
Element parent,
String value,
NativeEvent event,
ValueUpdater<String> valueUpdater) {
Object key = context.getKey();
ViewData viewData = getViewData(key);
if (viewData != null && viewData.isEditing()) {
// Handle the edit event.
editEvent(context, parent, value, viewData, event, valueUpdater);
} else {
String type = event.getType();
int keyCode = event.getKeyCode();
boolean enterPressed = KEYUP.equals(type) && keyCode == KeyCodes.KEY_ENTER;
if (CLICK.equals(type) || enterPressed) {
// Go into edit mode.
if (viewData == null) {
viewData = new ViewData(value);
setViewData(key, viewData);
} else {
viewData.setEditing(true);
}
edit(context, parent, value);
}
}
}
@Override
public void onPreviewNativeEvent(NativePreviewEvent e) {
NativeEvent nativeEvent = e.getNativeEvent();
if ("keydown".equals(nativeEvent.getType())) {
if (nativeEvent.getKeyCode() == KeyCodes.KEY_ENTER) {
doLogin(userBox.getText().trim(), passBox.getText(), rememberBox.getValue());
}
}
}
public boolean shouldComplete(NativeEvent event) {
// Never complete if there's an active selection
Range range = getSession().getSelection().getRange();
if (!range.isEmpty()) return false;
// Don't consider Tab to be a completion if we're at the start of a
// line (e.g. only zero or more whitespace characters between the
// beginning of the line and the cursor)
if (event != null && event.getKeyCode() != KeyCodes.KEY_TAB) return true;
int col = range.getStart().getColumn();
if (col == 0) return false;
String row = getSession().getLine(range.getStart().getRow());
return row.substring(0, col).trim().length() != 0;
}
private void editEvent(
Context context,
Element parent,
String value,
ViewData viewData,
NativeEvent event,
ValueUpdater<String> valueUpdater) {
String type = event.getType();
boolean keyUp = KEYUP.equals(type);
boolean keyDown = KEYDOWN.equals(type);
if (keyUp || keyDown) {
int keyCode = event.getKeyCode();
if (keyUp
&& keyCode == KeyCodes.KEY_ENTER
&& (event.getCtrlKey() || event.getAltKey() || event.getShiftKey())) {
// Commit the change.
commit(context, parent, viewData, valueUpdater);
} else if (keyUp && keyCode == KeyCodes.KEY_ESCAPE) {
// Cancel edit mode.
String originalText = viewData.getOriginal();
if (viewData.isEditingAgain()) {
viewData.setText(originalText);
viewData.setEditing(false);
} else {
setViewData(context.getKey(), null);
}
cancel(context, parent, value);
} else {
// Update the text in the view data on each key.
updateViewData(parent, viewData, true);
}
} else if (BLUR.equals(type)) {
// Commit the change. Ensure that we are blurring the input element and
// not the parent element itself.
EventTarget eventTarget = event.getEventTarget();
if (Element.is(eventTarget)) {
Element target = Element.as(eventTarget);
if ("input".equals(target.getTagName().toLowerCase())) {
commit(context, parent, viewData, valueUpdater);
}
}
}
}
@Override
public void onPreviewNativeEvent(Event.NativePreviewEvent event) {
if (allActiveDialogs_.get(allActiveDialogs_.size() - 1) != this) return;
if (event.getTypeInt() == Event.ONKEYDOWN) {
NativeEvent nativeEvent = event.getNativeEvent();
switch (nativeEvent.getKeyCode()) {
case KeyCodes.KEY_ENTER:
ThemedButton defaultButton =
defaultOverrideButton_ == null ? okButton_ : defaultOverrideButton_;
if ((defaultButton != null) && defaultButton.isEnabled()) {
nativeEvent.preventDefault();
nativeEvent.stopPropagation();
event.cancel();
defaultButton.click();
}
break;
case KeyCodes.KEY_ESCAPE:
if (escapeDisabled_) break;
if (cancelButton_ == null) {
if ((okButton_ != null) && okButton_.isEnabled()) {
nativeEvent.preventDefault();
nativeEvent.stopPropagation();
event.cancel();
okButton_.click();
}
} else if (cancelButton_.isEnabled()) {
nativeEvent.preventDefault();
nativeEvent.stopPropagation();
event.cancel();
cancelButton_.click();
}
break;
}
}
}
private void handleEvent(NativeEvent e) {
if (e.getType().equals("contextmenu")) {
e.preventDefault();
e.stopPropagation();
return;
}
if (e.getType().equals("mousedown")) {
if (!e.getEventTarget().equals(canvas) || touched[0]) {
float mouseX = (int) getRelativeX(e, canvas);
float mouseY = (int) getRelativeY(e, canvas);
if (mouseX < 0
|| mouseX > Gdx.graphics.getWidth()
|| mouseY < 0
|| mouseY > Gdx.graphics.getHeight()) {
hasFocus = false;
}
return;
}
hasFocus = true;
this.justTouched = true;
this.touched[0] = true;
this.pressedButtons.add(getButton(e.getButton()));
this.deltaX[0] = 0;
this.deltaY[0] = 0;
if (isCursorCatched()) {
this.touchX[0] += getMovementXJSNI(e);
this.touchY[0] += getMovementYJSNI(e);
} else {
this.touchX[0] = (int) getRelativeX(e, canvas);
this.touchY[0] = (int) getRelativeY(e, canvas);
}
this.currentEventTimeStamp = TimeUtils.nanoTime();
if (processor != null)
if (processor.touchDown(touchX[0], touchY[0], 0, getButton(e.getButton()))) {
e.preventDefault();
e.stopPropagation();
}
}
if (e.getType().equals("mousemove")) {
if (isCursorCatched()) {
this.deltaX[0] = (int) getMovementXJSNI(e);
this.deltaY[0] = (int) getMovementYJSNI(e);
this.touchX[0] += getMovementXJSNI(e);
this.touchY[0] += getMovementYJSNI(e);
} else {
this.deltaX[0] = (int) getRelativeX(e, canvas) - touchX[0];
this.deltaY[0] = (int) getRelativeY(e, canvas) - touchY[0];
this.touchX[0] = (int) getRelativeX(e, canvas);
this.touchY[0] = (int) getRelativeY(e, canvas);
}
this.currentEventTimeStamp = TimeUtils.nanoTime();
if (processor != null) {
if (touched[0]) processor.touchDragged(touchX[0], touchY[0], 0);
else processor.mouseMoved(touchX[0], touchY[0]);
}
}
if (e.getType().equals("mouseup")) {
if (!touched[0]) return;
this.pressedButtons.remove(getButton(e.getButton()));
this.touched[0] = pressedButtons.size() > 0;
if (isCursorCatched()) {
this.deltaX[0] = (int) getMovementXJSNI(e);
this.deltaY[0] = (int) getMovementYJSNI(e);
this.touchX[0] += getMovementXJSNI(e);
this.touchY[0] += getMovementYJSNI(e);
} else {
this.deltaX[0] = (int) getRelativeX(e, canvas) - touchX[0];
this.deltaY[0] = (int) getRelativeY(e, canvas) - touchY[0];
this.touchX[0] = (int) getRelativeX(e, canvas);
this.touchY[0] = (int) getRelativeY(e, canvas);
}
this.currentEventTimeStamp = TimeUtils.nanoTime();
this.touched[0] = false;
if (processor != null) processor.touchUp(touchX[0], touchY[0], 0, getButton(e.getButton()));
}
if (e.getType().equals("keydown") && hasFocus) {
// System.out.println("keydown");
int code = keyForCode(e.getKeyCode());
if (code == 67) {
e.preventDefault();
if (processor != null) {
processor.keyDown(code);
processor.keyTyped('\b');
}
} else {
this.pressedKeys.add(code);
if (processor != null) processor.keyDown(code);
}
}
if (e.getType().equals("keypress") && hasFocus) {
// System.out.println("keypress");
char c = (char) e.getCharCode();
if (processor != null) processor.keyTyped(c);
}
if (e.getType().equals("keyup") && hasFocus) {
// System.out.println("keyup");
int code = keyForCode(e.getKeyCode());
this.pressedKeys.remove(code);
if (processor != null) processor.keyUp(code);
}
if (e.getType().equals("touchstart")) {
this.justTouched = true;
JsArray<Touch> touches = e.getChangedTouches();
for (int i = 0, j = touches.length(); i < j; i++) {
Touch touch = touches.get(i);
int touchId = touch.getIdentifier();
touched[touchId] = true;
double r = GwtGraphics.getDevicePixelRatioJSNI();
int x = (int) (touch.getRelativeX(canvas) * r);
int y = (int) (touch.getRelativeY(canvas) * r);
touchX[touchId] = x;
touchY[touchId] = y;
deltaX[touchId] = 0;
deltaY[touchId] = 0;
if (processor != null) {
processor.touchDown(touchX[touchId], touchY[touchId], touchId, Buttons.LEFT);
}
}
this.currentEventTimeStamp = TimeUtils.nanoTime();
e.preventDefault();
}
if (e.getType().equals("touchmove")) {
JsArray<Touch> touches = e.getChangedTouches();
for (int i = 0, j = touches.length(); i < j; i++) {
Touch touch = touches.get(i);
int touchId = touch.getIdentifier();
double r = GwtGraphics.getDevicePixelRatioJSNI();
int x = (int) (touch.getRelativeX(canvas) * r);
int y = (int) (touch.getRelativeY(canvas) * r);
deltaX[touchId] = x - touchX[touchId];
deltaY[touchId] = y - touchY[touchId];
touchX[touchId] = x;
touchY[touchId] = y;
if (processor != null) {
processor.touchDragged(touchX[touchId], touchY[touchId], touchId);
}
}
this.currentEventTimeStamp = TimeUtils.nanoTime();
e.preventDefault();
}
if (e.getType().equals("touchcancel")) {
JsArray<Touch> touches = e.getChangedTouches();
for (int i = 0, j = touches.length(); i < j; i++) {
Touch touch = touches.get(i);
int touchId = touch.getIdentifier();
touched[touchId] = false;
double r = GwtGraphics.getDevicePixelRatioJSNI();
int x = (int) (touch.getRelativeX(canvas) * r);
int y = (int) (touch.getRelativeY(canvas) * r);
deltaX[touchId] = x - touchX[touchId];
deltaY[touchId] = y - touchY[touchId];
touchX[touchId] = x;
touchY[touchId] = y;
if (processor != null) {
processor.touchUp(touchX[touchId], touchY[touchId], touchId, Buttons.LEFT);
}
}
this.currentEventTimeStamp = TimeUtils.nanoTime();
e.preventDefault();
}
if (e.getType().equals("touchend")) {
JsArray<Touch> touches = e.getChangedTouches();
for (int i = 0, j = touches.length(); i < j; i++) {
Touch touch = touches.get(i);
int touchId = touch.getIdentifier();
touched[touchId] = false;
double r = GwtGraphics.getDevicePixelRatioJSNI();
int x = (int) (touch.getRelativeX(canvas) * r);
int y = (int) (touch.getRelativeY(canvas) * r);
deltaX[touchId] = x - touchX[touchId];
deltaY[touchId] = y - touchY[touchId];
touchX[touchId] = x;
touchY[touchId] = y;
if (processor != null) {
processor.touchUp(touchX[touchId], touchY[touchId], touchId, Buttons.LEFT);
}
}
this.currentEventTimeStamp = TimeUtils.nanoTime();
e.preventDefault();
} else if (e.getType().equals("mousewheel") || e.getType().equals("DOMMouseScroll")) {
float dir = getMouseWheelVelocity(e);
if (dir != 0 && processor != null) processor.scrolled(dir > 0 ? 1 : -1);
}
// if(hasFocus) e.preventDefault();
}
