add checkbox function for group
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Jinhao
parent
9940e2883e
commit
51f9e87979
@ -36,18 +36,30 @@ namespace nana{
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/// The construction that creates the widget and set the titel or caption
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group(window parent, ///<
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::nana::string titel, ///<
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bool format = false, ///< Use a formated label?
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unsigned gap = 2, ///< betwen the content and the external limit
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rectangle r = {} , ///<
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bool visible = true
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group(window parent, ///< a handle to the parent
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::nana::string titel, ///< caption of the group
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bool formatted = false, ///< Enable/disable the formatted text for the title
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unsigned gap = 2, ///< betwen the content and the external limit
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const rectangle& r = {} ,
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bool visible = true
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);
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/// The destruction
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~group();
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/// Adds an option for user selection
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void add_option(::nana::string);
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/// Enables/disables the radio mode which is single selection
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void radio_mode(bool);
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/// Returns the index of option in radio_mode, it throws a logic_error if radio_mode is false.
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std::size_t option() const;
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/// Determines a specified option is checked, it throws an out_of_range if !(pos < number of options)
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bool option_checked(std::size_t pos) const;
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group& enable_format_caption(bool format);
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@ -56,7 +68,6 @@ namespace nana{
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void collocate();
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void div(const char* div_str);
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field_reference operator[](const char* field);
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template<typename Widget, typename ...Args>
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Widget* create_child(const char* field, Args && ... args)
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@ -185,6 +185,7 @@ namespace checkbox
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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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API::refresh_window(handle());
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}
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void checkbox::transparent(bool enabled)
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@ -193,6 +194,7 @@ namespace checkbox
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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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API::refresh_window(handle());
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}
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bool checkbox::transparent() const
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@ -204,10 +206,12 @@ namespace 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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for(auto & e : 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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e.uiobj->radio(false);
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e.uiobj->react(true);
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API::umake_event(e.eh_checked);
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API::umake_event(e.eh_destroy);
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}
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}
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@ -18,18 +18,29 @@
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#include <nana/gui/widgets/group.hpp>
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#include <nana/gui/widgets/label.hpp>
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#include <nana/gui/drawing.hpp>
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#include <nana/gui/widgets/checkbox.hpp>
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#define _THROW_IF_EMPTY()\
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if(empty()) \
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throw std::logic_error("the group is invalid");
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namespace nana{
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static const char* field_title = "__nana_group_title__";
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static const char* field_options = "__nana_group_options__";
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struct group::implement
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{
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label caption;
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place place_content;
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unsigned gap{2};
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std::string usr_div_str;
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std::vector<std::unique_ptr<checkbox>> options;
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radio_group * radio_logic{nullptr};
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implement() = default;
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implement(window grp_panel, ::nana::string titel, bool vsb, unsigned gap=2)
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: caption (grp_panel, std::move(titel), vsb),
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place_content{grp_panel},
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@ -43,6 +54,26 @@ namespace nana{
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caption.caption(STR(""));
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place_content.bind(pnl);
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}
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void update_div()
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{
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::nana::size sz = caption.measure(1000);
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std::stringstream ss;
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ss << "vert margin=[0," << gap << "," << gap + 5 << "," << gap << "]"
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<< " <weight=" << sz.height << " <weight=5> <" << field_title << " weight=" << sz.width + 1 << "> >"
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<< "<<vert margin=5 " << field_options << ">";
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if (!usr_div_str.empty())
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ss << "<" << usr_div_str << ">>";
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else
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ss << ">";
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place_content.div(ss.str().c_str());
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if (options.empty())
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place_content.field_display(field_options, false);
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}
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};
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group::group()
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@ -56,23 +87,68 @@ namespace nana{
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create(parent, r, vsb);
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}
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group::group( window parent, ///<
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::nana::string titel /*={}*/, ///<
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bool format /*=false*/, ///<
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unsigned gap /*=2*/, ///<
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rectangle r /*={} */, ///<
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bool vsb /*= true */ ///<
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)
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group::group(window parent, ::nana::string titel, bool formatted, unsigned gap, const rectangle& r, bool vsb)
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: panel(parent, r, vsb),
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impl_(new implement(*this, std::move(titel), vsb, gap))
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{
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impl_->caption.format(format);
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impl_->caption.format(formatted);
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_m_init();
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}
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group::~group()
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{
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delete impl_->radio_logic;
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}
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void group::add_option(::nana::string text)
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{
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_THROW_IF_EMPTY()
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impl_->options.emplace_back(new checkbox(handle()));
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auto & opt = impl_->options.back();
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opt->transparent(true);
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opt->caption(std::move(text));
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impl_->place_content[field_options] << *opt;
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impl_->place_content.field_display(field_options, true);
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impl_->place_content.collocate();
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}
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void group::radio_mode(bool enable)
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{
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_THROW_IF_EMPTY()
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if (enable)
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{
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//Create radio_group if it is null
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if (!impl_->radio_logic)
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impl_->radio_logic = new ::nana::radio_group;
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//add all options into the radio_group
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for (auto & opt : impl_->options)
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impl_->radio_logic->add(*opt);
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}
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else
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{
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delete impl_->radio_logic;
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impl_->radio_logic = nullptr;
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}
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}
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std::size_t group::option() const
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{
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_THROW_IF_EMPTY();
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if (impl_->radio_logic)
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return impl_->radio_logic->checked();
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throw std::logic_error("the radio_mode of the group is disabled");
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}
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bool group::option_checked(std::size_t pos) const
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{
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_THROW_IF_EMPTY();
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return impl_->options.at(pos)->checked();
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}
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group& group::enable_format_caption(bool format)
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@ -86,7 +162,6 @@ namespace nana{
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return impl_->place_content;
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}
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void group::collocate()
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{
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impl_->place_content.collocate();
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@ -96,13 +171,12 @@ namespace nana{
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{
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::nana::size sz = impl_->caption.measure(1000);
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std::stringstream ss;
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ss << "vert margin=[0," << impl_->gap << "," << impl_->gap << "," << impl_->gap << "]"
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<< " <weight=" << sz.height << " <weight=5> <nanaGroupTitle2015 weight=" << sz.width + 1 << "> >"
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<< " <"<<(div_str ? div_str : "")<<">";
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impl_->place_content.div(ss.str().c_str());
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if (div_str)
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impl_->usr_div_str = div_str;
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else
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impl_->usr_div_str.clear();
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impl_->update_div();
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}
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group::field_reference group::operator[](const char* field)
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@ -121,7 +195,7 @@ namespace nana{
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auto & outter = impl_->place_content;
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outter["nanaGroupTitle2015"] << impl_->caption;
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outter[field_title] << impl_->caption;
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outter.collocate();
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color pbg = API::bgcolor(this->parent());
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@ -164,7 +238,8 @@ namespace nana{
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void group::_m_caption(::nana::string&& str)
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{
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return impl_->caption.caption(std::move(str));
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impl_->caption.caption(std::move(str));
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impl_->update_div();
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}
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}//end namespace nana
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