first init of 0.9
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cnjinhao
243
source/gui/widgets/checkbox.cpp
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243
source/gui/widgets/checkbox.cpp
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/*
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* A CheckBox Implementation
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* Copyright(C) 2003-2013 Jinhao(cnjinhao@hotmail.com)
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*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* @file: nana/gui/widgets/checkbox.cpp
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*/
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#include <nana/gui/widgets/checkbox.hpp>
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#include <nana/paint/gadget.hpp>
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#include <nana/paint/text_renderer.hpp>
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#include <nana/gui/element.hpp>
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#include <algorithm>
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namespace nana{ namespace drawerbase
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{
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namespace checkbox
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{
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typedef element::crook_interface::state crook_state;
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struct drawer::implement
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{
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bool react;
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bool radio;
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facade<element::crook> crook;
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};
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drawer::drawer()
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: widget_(nullptr),
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imptr_(new drawer::implement),
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impl_(imptr_.get())
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{
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impl_->react = true;
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impl_->radio = false;
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}
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drawer::~drawer()
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{}
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void drawer::attached(widget_reference widget, graph_reference)
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{
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widget_ = &widget;
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}
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void drawer::refresh(graph_reference graph)
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{
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_m_draw(graph);
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}
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void drawer::mouse_down(graph_reference graph, const arg_mouse&)
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{
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_m_draw(graph);
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}
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void drawer::mouse_up(graph_reference graph, const arg_mouse&)
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{
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if(impl_->react)
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impl_->crook.reverse();
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_m_draw(graph);
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}
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void drawer::mouse_enter(graph_reference graph, const arg_mouse&)
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{
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_m_draw(graph);
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}
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void drawer::mouse_leave(graph_reference graph, const arg_mouse&)
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{
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_m_draw(graph);
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}
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drawer::implement * drawer::impl() const
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{
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return impl_;
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}
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void drawer::_m_draw(graph_reference graph)
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{
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_m_draw_background(graph);
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_m_draw_title(graph);
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_m_draw_checkbox(graph, graph.text_extent_size(STR("jN"), 2).height + 2);
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API::lazy_refresh();
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}
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void drawer::_m_draw_background(graph_reference graph)
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{
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if(bground_mode::basic != API::effects_bground_mode(*widget_))
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graph.rectangle(API::background(*widget_), true);
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}
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void drawer::_m_draw_checkbox(graph_reference graph, unsigned first_line_height)
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{
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impl_->crook.draw(graph, widget_->background(), widget_->foreground(), rectangle(0, first_line_height > 16 ? (first_line_height - 16) / 2 : 0, 16, 16), API::element_state(*widget_));
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}
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void drawer::_m_draw_title(graph_reference graph)
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{
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if(graph.width() > 16 + interval)
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{
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nana::string title = widget_->caption();
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unsigned fgcolor = widget_->foreground();
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unsigned pixels = graph.width() - (16 + interval);
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nana::paint::text_renderer tr(graph);
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if(API::window_enabled(widget_->handle()) == false)
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{
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tr.render(17 + interval, 2, 0xFFFFFF, title.c_str(), title.length(), pixels);
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fgcolor = 0x808080;
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}
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tr.render(16 + interval, 1, fgcolor, title.c_str(), title.length(), pixels);
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}
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}
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//end class drawer
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} //end namespace checkbox
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}//end namespace drawerbase
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//class checkbox
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checkbox::checkbox(){}
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checkbox::checkbox(window wd, bool visible)
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{
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create(wd, rectangle(), visible);
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}
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checkbox::checkbox(window wd, const nana::string& text, bool visible)
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{
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create(wd, rectangle(), visible);
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caption(text);
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}
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checkbox::checkbox(window wd, const nana::char_t* text, bool visible)
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{
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create(wd, rectangle(), visible);
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caption(text);
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}
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checkbox::checkbox(window wd, const nana::rectangle& r, bool visible)
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{
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create(wd, r, visible);
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}
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void checkbox::element_set(const char* name)
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{
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get_drawer_trigger().impl()->crook.switch_to(name);
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}
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void checkbox::react(bool want)
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{
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get_drawer_trigger().impl()->react = want;
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}
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bool checkbox::checked() const
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{
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return (get_drawer_trigger().impl()->crook.checked() != drawerbase::checkbox::crook_state::unchecked);
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}
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void checkbox::check(bool chk)
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{
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typedef drawerbase::checkbox::crook_state crook_state;
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get_drawer_trigger().impl()->crook.check(chk ? crook_state::checked : crook_state::unchecked);
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API::refresh_window(handle());
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}
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void checkbox::radio(bool is_radio)
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{
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get_drawer_trigger().impl()->crook.radio(is_radio);
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}
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void checkbox::transparent(bool enabled)
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{
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if(enabled)
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API::effects_bground(*this, effects::bground_transparent(0), 0.0);
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else
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API::effects_bground_remove(*this);
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}
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bool checkbox::transparent() const
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{
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return (bground_mode::basic == API::effects_bground_mode(*this));
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}
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//end class checkbox
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//class radio_group
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radio_group::~radio_group()
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{
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for(auto & i : ui_container_)
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{
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API::umake_event(i.eh_checked);
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API::umake_event(i.eh_destroy);
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}
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}
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void radio_group::add(checkbox& uiobj)
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{
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uiobj.radio(true);
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uiobj.check(false);
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uiobj.react(false);
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element_tag el;
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el.uiobj = &uiobj;
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el.eh_checked = uiobj.events().click.connect_front(std::bind(&radio_group::_m_checked, this, std::placeholders::_1));
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el.eh_destroy = uiobj.events().destroy.connect(std::bind(&radio_group::_m_destroy, this, std::placeholders::_1));
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ui_container_.push_back(el);
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}
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std::size_t radio_group::checked() const
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{
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auto i = std::find_if(ui_container_.cbegin(), ui_container_.cend(), [](decltype(*ui_container_.cbegin())& x)
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{
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return (x.uiobj->checked());
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});
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return static_cast<std::size_t>(i - ui_container_.cbegin());
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}
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std::size_t radio_group::size() const
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{
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return ui_container_.size();
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}
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void radio_group::_m_checked(const arg_mouse& arg)
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{
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for (auto & i : ui_container_)
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i.uiobj->check(arg.window_handle == i.uiobj->handle());
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}
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void radio_group::_m_destroy(const arg_destroy& arg)
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{
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auto i = std::find_if(ui_container_.begin(), ui_container_.end(), [&arg](decltype(*ui_container_.begin()) & x)
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{
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return (arg.window_handle == x.uiobj->handle());
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});
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if(i != ui_container_.end())
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ui_container_.erase(i);
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}
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//end class radio_group
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}//end namespace nana
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