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Bug #11505 ยป wt_bug_setHeaderData.cpp

Tibor Miseta, 04/07/2023 07:37 PM

 
/*
* wt_bug_thread.cpp
*
* Created on: Apr 3, 2023
* Author: oldfashioned
*/

#include <Wt/WApplication.h>
#include <Wt/WTreeView.h>
#include <Wt/WContainerWidget.h>
#include <Wt/WStandardItem.h>
#include <Wt/WStandardItemModel.h>

class HelloApplication : public Wt::WApplication
{
public:
HelloApplication(const Wt::WEnvironment& env)
: Wt::WApplication(env)
{
setTitle("Set Header Data");

auto model = std::make_shared<Wt::WStandardItemModel>();

// ***** This call here crashes the program, it exits unexpectedly ****
model->setHeaderData(0, Wt::Orientation::Horizontal, std::string("Header"));

for(int i=0; i<5; i++)
{
auto item = std::make_unique<Wt::WStandardItem>();
item->setText("Item");
model->invisibleRootItem()->appendRow(std::move(item));
}

// ***** Calling it here is OK ****
// model->setHeaderData(0, Wt::Orientation::Horizontal, std::string("Header"));

auto view = std::make_unique<Wt::WTreeView>();
view->setModel(model);
root()->addWidget(std::move(view));
}
};

int main(int argc, char **argv)
{

return Wt::WRun(argc, argv, [](const Wt::WEnvironment& env) {
return std::make_unique<HelloApplication>(env);
});
}


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