QGraphicsTextItem QPainter::begin: Paint device returned engine == 0, type: 2

SGaist

Hi and welcome to devnet,

Which version of Qt on which OS are you using ?

Also, since you seem to reliably trigger this, did you took a look at the "bug report system":http://bugreports.qt-project.org ?

Lishen

i use win 7 x64 OS

Lishen

use Qt 5.1.1 vc2010 openGl and try build project on Qt 5.1.1 vc 2012

SGaist

Did you check the bug report system ?

If there's nothing there, please prepare a minimal compilable example (which sometimes allows you to also find errors in your code) that reproduces the problem. Once it's done you should open a new bug report with it.

Lishen

@#include <QApplication>
#include <QGraphicsScene>
#include <QGraphicsTextItem>
#include <QGraphicsView>
#include <QLayout>
#include <QMainWindow>

int main(int argc, char argv[])
{
QApplication a(argc, argv);
QMainWindow window = new QMainWindow();
window->setFixedSize(200, 200);

QGraphicsScene* scene = new QGraphicsScene(window->rect(), window);
QGraphicsTextItem* ti = new QGraphicsTextItem("text");

ti->setTextInteractionFlags(Qt::TextEditorInteraction);
ti->setCacheMode(QGraphicsObject::ItemCoordinateCache);
ti->setPos(100, 100);

QGraphicsView* view = new QGraphicsView(window);
view->setScene(scene);
scene->addItem(ti);

window->layout()->addWidget(view);
view->resize(window->size());

window->show();

return a.exec&#40;&#41;;

}@

Lishen

i checked the bug report system? nothing similar.

DBoosalis

Works fine on Ubuntu with Qt 5.2.1

Lishen

currently i use Desktop Qt 5.2.1 MSVC2010 32bit OpenGL Win 7 x64, and it does not work

Lishen

bq. Works fine on Ubuntu with Qt 5.2.1 bq

you tried add multiple lines?

DBoosalis

You mean like this:
@QGraphicsTextItem* ti = new QGraphicsTextItem("text1\ntest2\ntest3");@

This does work, or do I not understand your question

Lishen

!http://i057.radikal.ru/1403/4d/502eb5d77412.png(artefact)!

Lishen

[quote author="DBoosalis" date="1393947922"]You mean like this:
@QGraphicsTextItem* ti = new QGraphicsTextItem("text1\ntest2\ntest3");@

This does work, or do I not understand your question[/quote]
when typing on the keyboard in the text box