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#include <nana/gui/wvl.hpp>
#include <nana/gui/widgets/button.hpp>
#include <nana/gui/widgets/progressbar.hpp>
class example
: public nana::gui::form
{
public:
example()
{
btn_start_.create(*this, 10, 10, 100, 20);
btn_start_.caption(STR(“Start”));
btn_start_.make_event<nana::gui::events::click>(*this, &example::_m_start);
btn_cancel_.create(*this, 120, 10, 100, 20);
btn_cancel_.caption(STR(“Cancel”));
btn_cancel_.make_event<nana::gui::events::click>(*this, &example::_m_cancel);
prog_.create(*this, 10, 40, 280, 20);
}
private:
void _m_start()
{
working_ = true;
btn_start_.enabled(false);
prog_.amount(100);
for(int i = 0; i < 100 && working_; ++i)
{
nana::system::sleep(1000); //a long-running simulation
prog_.value(i + 1);
}
btn_start_.enabled(true);
}
void _m_cancel()
{
working_ = false;
}
private:
bool working_;
nana::gui::button btn_start_;
nana::gui::button btn_cancel_;
nana::gui::progressbar prog_;
};
int main()
{
example ex;
ex.show();
nana::gui::exec();
return 0;
}
#include <nana/gui/wvl.hpp>
#include <nana/gui/widgets/button.hpp>
#include <nana/gui/widgets/progressbar.hpp>
#include <nana/threads/pool.hpp>
class example
: public nana::gui::form
{
public:
example()
{
btn_start_.create(*this, 10, 10, 100, 20);
btn_start_.caption(STR(“Start”));
btn_start_.make_event<nana::gui::events::click>(nana::threads::pool_push(pool_, *this, &example::_m_start));
btn_cancel_.create(*this, 120, 10, 100, 20);
btn_cancel_.caption(STR(“Cancel”));
btn_cancel_.make_event<nana::gui::events::click>(*this, &example::_m_cancel);
prog_.create(*this, 10, 40, 280, 20);
this->make_event<nana::gui::events::unload>(*this, &example::_m_cancel);
}
private:
void _m_start()
{
working_ = true;
btn_start_.enabled(false);
prog_.amount(100);
for(int i = 0; i < 100 && working_; ++i)
{
nana::system::sleep(1000); //a long-running simulation
prog_.value(i + 1);
}
btn_start_.enabled(true);
}
void _m_cancel()
{
working_ = false;
}
private:
volatile bool working_;
nana::gui::button btn_start_;
nana::gui::button btn_cancel_;
nana::gui::progressbar prog_;
nana::threads::pool pool_;
};
int main()
{
example ex;
ex.show();
nana::gui::exec();
return 0;
}