SEXP
qt_qaddTab(SEXP x, SEXP tab, SEXP label, SEXP index) {
int i = asInteger(index);
if (i <= 0)
unwrapQObject(x, QTabWidget)->addTab(unwrapQObject(tab, QWidget), sexp2qstring(label));
else
unwrapQObject(x, QTabWidget)->insertTab(i - 1, unwrapQObject(tab, QWidget), sexp2qstring(label));
return R_NilValue;
}
SEXP qt_qsetItemFlags_QGraphicsItem(SEXP x, SEXP flag, SEXP status)
{
setItemFlag_helper(unwrapQGraphicsItem(x, QGraphicsItem),
sexp2qstring(flag),
(bool) asLogical(status));
return R_NilValue;
}
SEXP qt_qsetTextItemInteraction(SEXP x, SEXP mode)
{
QList<QGraphicsItem*> ilist = unwrapQObject(x, QGraphicsScene)->items();
QGraphicsTextItem *textitem;
QString smode = sexp2qstring(mode);
if (smode == "none") {
for (int i = 0; i < ilist.size(); ++i) {
textitem = qgraphicsitem_cast<QGraphicsTextItem *>(ilist[i]);
if (textitem)
textitem->setTextInteractionFlags(Qt::NoTextInteraction);
}
}
else if (smode == "editor") {
for (int i = 0; i < ilist.size(); ++i) {
textitem = qgraphicsitem_cast<QGraphicsTextItem *>(ilist[i]);
if (textitem)
textitem->setTextInteractionFlags(Qt::TextEditorInteraction);
}
}
else if (smode == "browser") {
for (int i = 0; i < ilist.size(); ++i) {
textitem = qgraphicsitem_cast<QGraphicsTextItem *>(ilist[i]);
if (textitem)
textitem->setTextInteractionFlags(Qt::TextBrowserInteraction);
}
}
return R_NilValue;
}
SEXP qt_qsetText_QGraphicsItem(SEXP item, SEXP label)
{
QGraphicsItem *i = unwrapQGraphicsItem(item, QGraphicsItem);
QGraphicsTextItem *textitem = qgraphicsitem_cast<QGraphicsTextItem *>(i);
if (textitem)
textitem->setHtml(sexp2qstring(label));
return R_NilValue;
}
SEXP qt_qsetItemIndexMethod(SEXP s, SEXP method)
{
if (sexp2qstring(method) == "none")
unwrapQObject(s, QGraphicsScene)->setItemIndexMethod(QGraphicsScene::NoIndex);
else
unwrapQObject(s, QGraphicsScene)->setItemIndexMethod(QGraphicsScene::BspTreeIndex);
return R_NilValue;
}
SEXP qt_qsetItemFlags_QGraphicsScene(SEXP x, SEXP flag, SEXP status)
{
QList<QGraphicsItem*> ilist = unwrapQObject(x, QGraphicsScene)->items();
bool bstatus = (bool) asLogical(status);
QString sflag = sexp2qstring(flag);
for (int i = 0; i < ilist.size(); ++i) {
setItemFlag_helper(ilist[i], sflag, bstatus);
}
return R_NilValue;
}
SEXP qt_qsetToolTip_QGraphicsItem(SEXP item, SEXP s)
{
unwrapQGraphicsItem(item, QGraphicsItem)->setToolTip(sexp2qstring(s));
return R_NilValue;
}
SEXP
qt_qsetText_QLineEdit(SEXP x, SEXP s) {
unwrapQObject(x, QLineEdit)->setText(sexp2qstring(s));
return R_NilValue;
}
SEXP
qt_qcheckBox(SEXP label) {
if (label == R_NilValue) return wrapQWidget(new QCheckBox(0));
else return wrapQWidget(new QCheckBox(sexp2qstring(label), 0));
}
SEXP
qt_qlineEdit(SEXP s) {
QLineEdit *x = new QLineEdit();
if (s != R_NilValue) x->setText(sexp2qstring(s));
return wrapQWidget(x);
}
SEXP
qt_qlabel(SEXP label) {
return wrapQWidget(new QLabel(sexp2qstring(label), 0));
}
SEXP
qt_qsetText_QAbstractButton(SEXP x, SEXP s) {
unwrapQObject(x, QAbstractButton)->setText(sexp2qstring(s));
return R_NilValue;
}
SEXP
qt_qpushButton(SEXP s) {
return wrapQWidget(new QPushButton(sexp2qstring(s)));
}
QVariant qvariant_from_sexp(SEXP rvalue, int index) {
QVariant variant;
if (index == -1) {
/* If a particular element is not selected, then non-lists of
length one are considered scalars. Otherwise, collections.
Except for raw vectors, which are naturally QByteArrays.
*/
if (TYPEOF(rvalue) == RAWSXP)
return QVariant(from_sexp<QByteArray>(rvalue));
else if (TYPEOF(rvalue) == VECSXP || length(rvalue) > 1) {
SEXP rlist = coerceVector(rvalue, VECSXP);
if (getAttrib(rvalue, R_NamesSymbol) != R_NilValue)
variant = asQVariantOfType(rlist, QMetaType::QVariantMap);
else variant = asQVariantOfType(rlist, QMetaType::QVariantList);
return variant;
}
index = 0;
}
switch(TYPEOF(rvalue)) {
case RAWSXP:
variant = qVariantFromValue(RAW(rvalue)[index]);
break;
case LGLSXP:
// Rprintf("Logical\n");
// FIXME: by converting to 'bool' all NA become TRUE
variant = QVariant((bool)LOGICAL(rvalue)[index]);
break;
case REALSXP:
// Rprintf("Real\n");
variant = QVariant(REAL(rvalue)[index]);
break;
case INTSXP:
// Rprintf("Integer\n");
{
SEXP levels;
if ((levels = getAttrib(rvalue, R_LevelsSymbol)) != R_NilValue) {
int level = INTEGER(rvalue)[index];
SEXP level_str = NA_STRING;
/*Rprintf("getting level: %d\n", level);*/
if (level != NA_INTEGER)
level_str = STRING_ELT(levels, level - 1);
variant = QVariant(sexp2qstring(level_str));
} else variant = QVariant(INTEGER(rvalue)[index]);
break;
}
case STRSXP:
// Rprintf("String\n");
variant = QVariant(sexp2qstring(STRING_ELT(rvalue, index)));
break;
case EXTPTRSXP:
// Rprintf("External pointer\n");
variant = qVariantFromValue(unwrapPointer(rvalue, void));
break;
case VECSXP:
variant = from_sexp<QVariant>(VECTOR_ELT(rvalue, index));
break;
case ENVSXP: {
SmokeObject *so = SmokeObject::fromSexp(rvalue);
if (so->instanceOf("QWidget"))
variant =
qVariantFromValue(reinterpret_cast<QWidget *>(so->castPtr("QWidget")));
else if (so->instanceOf("QObject"))
variant =
qVariantFromValue(reinterpret_cast<QObject *>(so->castPtr("QObject")));
else {
QMetaType::Type type = (QMetaType::Type) QMetaType::type(so->className());
if (type)
variant = asQVariantOfType(rvalue, type, false);
else variant = qVariantFromValue(so->ptr());
}
}
break;
case NILSXP: // invalid QVariant
break;
default:
error("Converting to QVariant: unhandled R type");
}
return variant;
}
