private void processCompletionKeys(final KeyEvent event) {
char keyChar = event.getKeyChar();
int keyCode = event.getKeyCode();
if (keyChar == KeyEvent.VK_ENTER
|| keyChar == KeyEvent.VK_ESCAPE
|| keyChar == KeyEvent.VK_TAB
|| (event.getID() == KeyEvent.KEY_RELEASED
&& keyCode != KeyEvent.VK_LEFT
&& keyCode != KeyEvent.VK_RIGHT)) {
// ignore
} else if (keyChar == ')') {
// https://github.com/processing/processing/issues/2741
hideSuggestion();
} else if (keyChar == '.') {
if (JavaMode.codeCompletionsEnabled) {
Messages.log(
"[KeyEvent]" + KeyEvent.getKeyText(event.getKeyCode()) + " |Prediction started");
fetchPhrase();
}
} else if (keyChar == ' ') { // Trigger on Ctrl-Space
if (!Platform.isMacOS()
&& JavaMode.codeCompletionsEnabled
&& (event.isControlDown() || event.isMetaDown())) {
// Provide completions only if it's enabled
if (JavaMode.codeCompletionsEnabled) {
// Removed for https://github.com/processing/processing/issues/3847
// try {
// getDocument().remove(getCaretPosition() - 1, 1); // Remove the typed space
Messages.log("[KeyEvent]" + event.getKeyChar() + " |Prediction started");
fetchPhrase();
// } catch (BadLocationException e) {
// e.printStackTrace();
// }
}
} else {
hideSuggestion(); // hide on spacebar
}
} else {
if (JavaMode.codeCompletionsEnabled) {
prepareSuggestions(event);
}
}
}
/** Handles KeyEvents for TextArea (code completion begins from here). */
public void processKeyEvent(KeyEvent evt) {
if (evt.getKeyCode() == KeyEvent.VK_ESCAPE) {
if (suggestion != null) {
if (suggestion.isVisible()) {
Messages.log("esc key");
hideSuggestion();
evt.consume();
return;
}
}
} else if (evt.getKeyCode() == KeyEvent.VK_ENTER && evt.getID() == KeyEvent.KEY_PRESSED) {
if (suggestion != null
&& suggestion.isVisible()
&& suggestion.insertSelection(CompletionPanel.KEYBOARD_COMPLETION)) {
evt.consume();
// Still try to show suggestions after inserting if it's
// the case of overloaded methods. See #2755
if (suggestion.isVisible()) {
prepareSuggestions(evt);
}
return;
}
}
if (evt.getID() == KeyEvent.KEY_PRESSED) {
switch (evt.getKeyCode()) {
case KeyEvent.VK_DOWN:
if (suggestion != null)
if (suggestion.isVisible()) {
// log("KeyDown");
suggestion.moveDown();
return;
}
break;
case KeyEvent.VK_UP:
if (suggestion != null)
if (suggestion.isVisible()) {
// log("KeyUp");
suggestion.moveUp();
return;
}
break;
case KeyEvent.VK_BACK_SPACE:
Messages.log("BK Key");
break;
case KeyEvent.VK_SPACE:
if (suggestion != null) {
if (suggestion.isVisible()) {
Messages.log("Space bar, hide completion list");
suggestion.setInvisible();
}
}
break;
}
}
super.processKeyEvent(evt);
// code completion disabled if Java tabs present
if (!editor.hasJavaTabs()) {
if (evt.getID() == KeyEvent.KEY_TYPED) {
processCompletionKeys(evt);
} else if (!Platform.isMacOS() && evt.getID() == KeyEvent.KEY_RELEASED) {
processCompletionKeys(evt);
} else if (Platform.isMacOS() && evt.getID() == KeyEvent.KEY_RELEASED) {
processControlSpace(evt);
}
}
}