Beispiel #1
0
// Handle key presses.
void QsciScintillaBase::keyPressEvent(QKeyEvent *e)
{
    unsigned key, modifiers = 0;

    if (e->state() & Qt::ShiftButton)
        modifiers |= SCMOD_SHIFT;

    if (e->state() & Qt::ControlButton)
        modifiers |= SCMOD_CTRL;

    if (e->state() & Qt::AltButton)
        modifiers |= SCMOD_ALT;

    if (e->state() & Qt::MetaButton)
        modifiers |= SCMOD_META;

    switch (e->key())
    {
    case Qt::Key_Down:
        key = SCK_DOWN;
        break;

    case Qt::Key_Up:
        key = SCK_UP;
        break;

    case Qt::Key_Left:
        key = SCK_LEFT;
        break;

    case Qt::Key_Right:
        key = SCK_RIGHT;
        break;

    case Qt::Key_Home:
        key = SCK_HOME;
        break;

    case Qt::Key_End:
        key = SCK_END;
        break;

    case Qt::Key_Prior:
        key = SCK_PRIOR;
        break;

    case Qt::Key_Next:
        key = SCK_NEXT;
        break;

    case Qt::Key_Delete:
        key = SCK_DELETE;
        break;

    case Qt::Key_Insert:
        key = SCK_INSERT;
        break;

    case Qt::Key_Escape:
        key = SCK_ESCAPE;
        break;

    case Qt::Key_Backspace:
        key = SCK_BACK;
        break;

    case Qt::Key_Tab:
        key = SCK_TAB;
        break;

    case Qt::Key_Backtab:
        // Scintilla assumes a backtab is shift-tab.
        key = SCK_TAB;
        modifiers |= SCMOD_SHIFT;
        break;

    case Qt::Key_Return:
    case Qt::Key_Enter:
        key = SCK_RETURN;
        break;

    case Qt::Key_Super_L:
        key = SCK_WIN;
        break;

    case Qt::Key_Super_R:
        key = SCK_RWIN;
        break;

    case Qt::Key_Menu:
        key = SCK_MENU;
        break;

    default:
        key = e->key();
    }

    if (key)
    {
        bool consumed = false;

        sci->KeyDownWithModifiers(key, modifiers, &consumed);

        if (consumed)
        {
            e->accept();
            return;
        }
    }

    QString text = e->text();

    if (!text.isEmpty() && text[0].isPrint())
    {
        ScintillaBytes bytes = textAsBytes(text);
        sci->AddCharUTF(bytes.data(), bytes.length());
        e->accept();
    }
    else
    {
        QWidget::keyPressEvent(e);
    }
}