Trying to render TextLine in itemdelegate , but can't see it

umen242

trying to render TextLine in item delegate , but can't see it
hi I have item deleget that I use as item in ListView . I try to set TextLine in it , but I can't seam to set it right , it compiles fine
but in the end I can see the TextLine
here is my code ( taken from "here ":http://programmingexamples.net/wiki/Qt/Delegates/ComboBoxDelegateas ref )

@const qreal PrettyItemDelegate::THUMB_HEIGHT = 50.0;
const qreal PrettyItemDelegate::THUMB_WIDTH = 50.0;
const qreal PrettyItemDelegate::PADDING = 10.0;
const qreal PrettyItemDelegate::ITEM_HEIGHT = THUMB_HEIGHT+20;
const qreal PrettyItemDelegate::ITEM_WIDTH = THUMB_WIDTH+20;

PrettyItemDelegate::PrettyItemDelegate(QObject* parent)
: QStyledItemDelegate(parent), downloadInfo(true) {
boldFont.setBold(true);
smallerBoldFont = FontUtils::smallBold();
smallerFont = FontUtils::small();

}

QWidget *PrettyItemDelegate::createEditor(QWidget parent, const QStyleOptionViewItem &/ option /, const QModelIndex &/ index */) const
{
QTextEdit *editor = new QTextEdit(parent);
editor->setGeometry(QRect(40, 30, 401, 31));
editor->setLayoutDirection(Qt::LeftToRight);
//editor->setAutoFillBackground(false);
//editor->setStyleSheet(QString::fromUtf8("background-color: transparent;;"));
editor->setLocale(QLocale(QLocale::English, QLocale::UnitedStates));
editor->setFrameShape(QFrame::WinPanel);
// editor->setFrameShadow(QFrame::Plain);
editor->setLineWidth(2);
editor->setReadOnly(true);
editor->setText("This is text test!!1");

return editor;
}

void PrettyItemDelegate::setEditorData(QWidget editor, const QModelIndex &index) const
{
QTextEdit * textEdit = static_cast<QTextEdit>(editor);
//int value = index.model()->data(index, Qt::EditRole).toUInt();
// do somthing with the widgets
}

void PrettyItemDelegate::setModelData(QWidget *editor, QAbstractItemModel model, const QModelIndex &index) const
{
QTextEdit * textEdit = static_cast<QTextEdit>(editor);
//model->setData(index, comboBox->currentIndex(), Qt::EditRole);
}

void PrettyItemDelegate::updateEditorGeometry(QWidget editor, const QStyleOptionViewItem &option, const QModelIndex &/ index */) const
{
editor->setGeometry(option.rect);
}

PrettyItemDelegate::~PrettyItemDelegate() { }

QSize PrettyItemDelegate::sizeHint( const QStyleOptionViewItem& /option/,
const QModelIndex& /index/ ) const
{
return QSize( 256, THUMB_HEIGHT+20.0);
}

void PrettyItemDelegate::paint( QPainter* painter,
const QStyleOptionViewItem& option, const QModelIndex& index ) const {

int itemType = index.data(ItemTypeRole).toInt();
if (itemType == ItemTypeVideo) {
    QApplication::style()->drawPrimitive( QStyle::PE_PanelItemViewItem, &option, painter );
    paintBody( painter, option, index );

} else
QStyledItemDelegate::paint( painter, option, index );

}

void PrettyItemDelegate::paintBody( QPainter* painter,
const QStyleOptionViewItem& option,
const QModelIndex& index ) const {

painter->save();
painter->translate( option.rect.topLeft() );


QRectF line(0, 0, option.rect.width(), option.rect.height());

if (downloadInfo) line.setWidth(line.width());
painter->setClipRect(line);
// get the video metadata
const StreamItemPointer pStreamItemPointer = index.data( VideoRole ).value<StreamItemPointer>();
const StreamItem *pStreamItem = pStreamItemPointer.data();

// thumb
if (!pStreamItem->thumbnail().isNull()) {
    painter->drawImage(QRect(0, 0, THUMB_WIDTH, THUMB_HEIGHT), pStreamItem->thumbnail());
 }

// media thumb
if(!pStreamItem->Mediathumbnail().isNull())
{
painter->drawImage(QRect(THUMB_WIDTH+10, 0, THUMB_WIDTH, THUMB_HEIGHT), pStreamItem->Mediathumbnail());
}
//save state
painter->save();
painter->restore();
// separator button line on each item
painter->setClipping(false);
painter->setPen(option.palette.color(QPalette::Midlight));
painter->drawLine(0, ITEM_HEIGHT-1, option.rect.width(), ITEM_HEIGHT-1);

painter->restore();

}
@

what im doing wring here ?

stima_ua

createEditor will be called when client start edit item that's why you dont see its first. Imho If you whant to build in some widget use QAbstractItemView::setIndexWidget

umen242

sorry but i dont understand you can see my other "post ":http://developer.qt.nokia.com/forums/viewthread/13362/
also doesn't work

stima_ua

Mb some example help you.
@
#include <QtGui/QApplication>
#include <QtGui>

int main(int argc, char *argv[])
{
QApplication a(argc, argv);

QListView view;
QStandardItemModel model;

QStandardItem item1;
QStandardItem item2;

model.appendRow(&item1);
model.appendRow(&item2);

view.setModel(&model);

// set
QTextEdit *edit = new QTextEdit;
edit->setText("<font color = "red">item1</font>");
edit->setAutoFillBackground(true);

view.setIndexWidget(model.index(0, 0), edit);

edit = new QTextEdit;
edit->setText("<font color = \"green\">item2</font>");
edit->setAutoFillBackground(true);

view.setIndexWidget(model.index(1, 0), edit);

// get
edit = static_cast<QTextEdit*>(view.indexWidget(item1.index()));
qDebug() << edit;

edit = static_cast<QTextEdit*>(view.indexWidget(item2.index()));
qDebug() << edit;

view.show();

return a.exec(&#41;;

}@

and for more see QAbstractItemView::setIndexWidget

P.S. And I do not know if this ideology correct or not.

umen242

Hi and thanks for the replay
this is not my problem , im trying to add the QTextEdit inside the item delegate class, its custom item
that i have , i like to add the item QTextEdit together with pictures and text in the same item.
if i just could make the spinbox example work with the QTextEdit i think i will take it from there .

stima_ua

Hm...
What do you try get from QTextEdit? Rich text? Mb use QLabel?

If text and picture are static I think my way simply that painting all in paint method.

umen242

simple text to be filled with setText() and to be readonly

stima_ua

If i right understood ideology of m/v and item u can not correctly set:

item1

|widget1 | widget2| widget3|

item2

|widget1 | widget2| widget3|

with painting method.

But you can try:

@class MyWidget : public QWidget {
Q_OBJECT

private:
QLabel *pictureLabel;
QLabel *textLabel;

QHBoxLayout *layout;

public:
MyWidget(QWidget *parent = 0) : QWidget(parent) {
pictureLabel = new QLabel(this);
textLabel = new QLabel(this);

    layout = new QHBoxLayout(this);

    layout->addWidget(pictureLabel);
    layout->addWidget(textLabel);

    layout->setContentsMargins(0, 0, 0, 0); // margin: top right bottom left

    setLayout(layout);
}

void setText(const QString& text) {
    textLabel->setText(text);
    textLabel->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
}

QString text() const {
    return textLabel->text();
}

void setPicture(const QString& path) {
    pictureLabel->setPixmap(QPixmap(path));
}

};@

and than use code above but:

@
view.setIndexWidget(item1.index(), new MyWidget);
@