QTextCursor::clearSelection() doesn't work

ScienziatoBestia

Hi to all,
I don't wont selection in my QTextBrowser so I wrote the follow code:
@
MyTextBrowser::MyTextBrowser(QWidget *parent) :
QTextBrowser(parent)
{
.
.
.
.

connect(this, SIGNAL(selectionChanged()), this, SLOT(clearSelection()));

.
.
.
}

void MyTextBrowser::clearSelection()
{
textCursor().clearSelection();
}

@

by debug I see that the program go inside clearSelection() but textCursor().clearSelection(); doesn't do nothing.

Is it a bug? How can I solve?
Thanks

goetz

Method textCursor() returns a copy of the text cursor. If you modify it, that changes are not automatically applied to the text edit. You have to set the the modified cursor explicitly:

@
void MyTextBrowser::clearSelection()
{
QTextCursor c = textCursor();
c.clearSelection();
setTextCursor(c);
}
@

ScienziatoBestia

thank you...
I was simply stupid

goetz

[quote author="ScienziatoBestia" date="1309505105"]thank you...
I was simply stupid
[/quote]

No problem, long time ago I stepped into that trap too :-)

jim_kaiser

Just to clarify, you could modify the text document with something like

@
QTextCursor cursor = textEdit->textCursor();
cursor.insertText("blahblah");
@

without needing to call setTextCursor().

But the selection itself is a property of the text cursor and only on setTextCursor() is the visual cursor updated and hence the selection.