Esempio n. 1
0
void ExprShortEdit::setExpressionString(const std::string& expression) {
    edit->setText(QString(expression.c_str()));
    controlRebuildTimer->setSingleShot(true);
    controlRebuildTimer->start(0);
    checkErrors();
    emit exprChanged();
}
Esempio n. 2
0
void ExprShortEdit::controlChanged(int id) {
    if (controls) {
        QString newText = getExpression();
        controls->updateText(id, newText);
        edit->setText(newText);
        checkErrors();
        emit exprChanged();
    }
}
Esempio n. 3
0
ExprEditor::ExprEditor(QWidget* parent,ExprControlCollection* controls)
    : QWidget(parent),_updatingText(0),errorHeight(0)
{
    // timers
    controlRebuildTimer=new QTimer();
    previewTimer=new QTimer();

    // title and minimum size
    setWindowTitle("Expression Editor");
    setMinimumHeight(100);

    // expression controls, we need for signal connections
    this->controls = controls;

    // make layout
    QVBoxLayout* exprAndErrors=new QVBoxLayout;
    exprAndErrors->setMargin(0);
    setLayout(exprAndErrors);

    // create text editor widget
    exprTe = new ExprTextEdit(this);
    exprTe->setMinimumHeight(50);
    
    // calibrate the font size
    int fontsize = 12;
    while (QFontMetrics(QFont("Liberation Sans",fontsize)).width("abcdef")<38 && fontsize<20) 
	fontsize++;
    while (QFontMetrics(QFont("Liberation Sans",fontsize)).width("abcdef")>44 && fontsize>3) 
	fontsize--;
    
    exprTe->setFont(QFont("Liberation Sans",fontsize));
    
    exprAndErrors->addWidget(exprTe);

    // create error widget
    errorWidget=new QListWidget();
    errorWidget->setSelectionMode(QAbstractItemView::SingleSelection);
    errorWidget->setSizePolicy(QSizePolicy(QSizePolicy::MinimumExpanding,QSizePolicy::Maximum));
    connect(errorWidget,SIGNAL(itemSelectionChanged()),SLOT(selectError()));
    clearErrors();
    exprAndErrors->addWidget(errorWidget);

    // wire up signals
    connect(exprTe, SIGNAL(applyShortcut()), SLOT(sendApply()));
    connect(exprTe, SIGNAL(nextError()), SLOT(nextError()));
    connect(exprTe, SIGNAL(textChanged()), SLOT(exprChanged()));
    connect(controls,SIGNAL(controlChanged(int)),SLOT(controlChanged(int)));
    connect(controls,SIGNAL(insertString(const std::string&)),SLOT(insertStr(const std::string&)));
    connect(controlRebuildTimer, SIGNAL(timeout()), SLOT(rebuildControls()));
    connect(previewTimer, SIGNAL(timeout()), SLOT(sendPreview()));
}
Esempio n. 4
0
void ExprShortEdit::textFinished() {
    controlRebuildTimer->setSingleShot(true);
    controlRebuildTimer->start(0);
    checkErrors();
    emit exprChanged();
}