Hi all,
I have a problem in updating a validator range in the body
of a callback, as the result of a button click.
Wt version in use: 3.1.9
In order to see the very same behaviour, I modified the widgetgallery
example in the following way:
Validators.h
- Added a class method with the following signature
void updateRange();
Validators.C
- Made WDoubleValidator global.
- Implemented the method updateRange() by doing:
std::cout << "myValidator range: ["
<< myValidator->bottom() << ", "
<< myValidator->top() << "]" << std::endl;
myValidator->setRange(-4, 14);
- In the constructor this is the code of the validator part:
new WText("<tt>WDoubleValidator</tt>: range [-5.0 to 15.0]",
table->elementAt(1, 0));
le = new WLineEdit(table->elementAt(1, 1));
myValidator = new WDoubleValidator(-5, 15);
le->setValidator(myValidator);
fields_.push_back(std::pair<WFormWidget *, WText *>
(le, new WText("", table->elementAt(1, 2))));
WPushButton* myButton = new WPushButton("UpdateRanges",
table->elementAt(1, 1));
myButton->clicked().connect(this, &Validators::updateRange);
First click output:
myValidator range: [-5, 15]
(then the range gets updated)
Second click output:
myValidator range: [-4, 14]
(same range setup)
But both at tooltip level and at validation level (the red
highlighting of the lineedit) I'm seeing the old validator range
behaviour (-5, 15). What am I doing wrong here?
Thanks in advance,
--
Antonio
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