Method keyPressEvent

src/Gui/PythonConsole.cpp:562–699

* Checks the input of the console to make the correct indentations. * After a command is prompted completely the Python interpreter is started. */

 * After a command is prompted completely the Python interpreter is started.
 */
void PythonConsole::keyPressEvent(QKeyEvent* e)
{
    bool restartHistory = true;
    QTextCursor cursor = this->textCursor();
    QTextCursor inputLineBegin = this->inputBegin();

    if (e->key() == Qt::Key_C && e->modifiers() == Qt::ControlModifier) {
        if (d->interpreter->interrupt()) {
            return;
        }
    }

    if (!cursorBeyond(cursor, inputLineBegin)) {
        /**
         * The cursor is placed not on the input line (or within the prompt string)
         * So we handle key input as follows:
         *   - don't allow changing previous lines.
         *   - allow full movement (no prompt restriction)
         *   - allow copying content (Ctrl+C)
         *   - "escape" to end of input line
         */
        switch (e->key()) {
            case Qt::Key_Return:
            case Qt::Key_Enter:
            case Qt::Key_Escape:
            case Qt::Key_Backspace:
                this->moveCursor(QTextCursor::End);
                break;

            default:
                if (e->text().isEmpty() || e->matches(QKeySequence::Copy)
                    || e->matches(QKeySequence::SelectAll)) {
                    PythonTextEditor::keyPressEvent(e);
                }
                else if (
                    !e->text().isEmpty()
                    && (e->modifiers() == Qt::NoModifier || e->modifiers() == Qt::ShiftModifier)
                ) {
                    this->moveCursor(QTextCursor::End);
                    PythonTextEditor::keyPressEvent(e);
                }
                break;
        }
    }
    else {
        /**
         * The cursor sits somewhere on the input line (after the prompt)
         * Here we handle key input a bit different:
         *   - restrict cursor movement to input line range (excluding the prompt characters)
         *   - roam the history by Up/Down keys
         *   - show call tips on period
         */
        QTextBlock inputBlock = inputLineBegin.block();  //< get the last paragraph's text
        QString inputLine = inputBlock.text();
        QString inputStrg = stripPromptFrom(inputLine);
        if (this->_sourceDrain && !this->_sourceDrain->isEmpty()) {
            inputStrg = inputLine.mid(this->_sourceDrain->length());
        }