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add on_clicked and on_checked for radio_group

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This commit is contained in:
Jinhao 2019-04-16 03:59:51 +08:00
parent cff318d182
commit 5335bb841f
1 changed files with 23 additions and 2 deletions
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25
include/nana/gui/widgets/checkbox.hpp
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@ -1,7 +1,7 @@
/**
* A CheckBox Implementation
* Nana C++ Library(http://www.nanapro.org)
* Copyright(C) 2003-2018 Jinhao(cnjinhao@hotmail.com)
* Copyright(C) 2003-2019 Jinhao(cnjinhao@hotmail.com)
*
* Distributed under the Boost Software License, Version 1.0.
* (See accompanying file LICENSE_1_0.txt or copy at
@ -98,6 +98,7 @@ namespace drawerbase
void transparent(bool value);
bool transparent() const;
};//end class checkbox
/// for managing checkboxs in radio mode
class radio_group
{
@ -113,8 +114,28 @@ namespace drawerbase
constexpr static const std::size_t npos = static_cast<std::size_t>(-1);
~radio_group();
void add(checkbox&);
std::size_t checked() const; ///< Retrieves the index of the checkbox which is checked.
///< Retrieves the index of checked option. It returns radio_group::npos if no checkbox is checked.
std::size_t checked() const;
std::size_t size() const;
template<typename Function>
void on_clicked(Function&& click_fn)
{
for (auto & e : ui_container_)
{
e.uiobj->events().click(std::move(click_fn));
}
}
template<typename Function>
void on_checked(Function&& check_fn)
{
for (auto & e : ui_container_)
{
e.uiobj->events().checked(std::move(check_fn));
}
}
private:
std::vector<element_tag> ui_container_;
};