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add functionality to associate label with other widget as a "for" attribute of HTML <label> element

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beru 2015-05-17 15:02:09 +09:00
parent 990de7867b
commit 80da9007ef
2 changed files with 13 additions and 0 deletions
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2
include/nana/gui/widgets/label.hpp
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@ -65,6 +65,8 @@ namespace nana
label& format(bool); ///< Switches the format mode of the widget. label& format(bool); ///< Switches the format mode of the widget.
label& add_format_listener(std::function<void(command, const nana::string&)>); label& add_format_listener(std::function<void(command, const nana::string&)>);
void relate(widget& w); // as same as the "for" attribute of a label
/// \briefReturn the size of the text. If *allowed_width_in_pixel* is not zero, returns a /// \briefReturn the size of the text. If *allowed_width_in_pixel* is not zero, returns a
/// "corrected" size that changes lines to fit the text into the specified width /// "corrected" size that changes lines to fit the text into the specified width
nana::size measure(unsigned allowed_width_in_pixel) const; nana::size measure(unsigned allowed_width_in_pixel) const;

11
source/gui/widgets/label.cpp
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@ -628,6 +628,8 @@ namespace nana
nana::string target; //It indicates which target is tracing. nana::string target; //It indicates which target is tracing.
nana::string url; nana::string url;
widget * buddy {nullptr};
void add_listener(std::function<void(command, const nana::string&)>&& fn) void add_listener(std::function<void(command, const nana::string&)>&& fn)
{ {
listener_.emplace_back(std::move(fn)); listener_.emplace_back(std::move(fn));
@ -740,6 +742,10 @@ namespace nana
impl_->call_listener(command::click, impl_->target); impl_->call_listener(command::click, impl_->target);
system::open_url(url); system::open_url(url);
if (impl_->buddy) {
impl_->buddy->focus();
}
} }
void trigger::refresh(graph_reference graph) void trigger::refresh(graph_reference graph)
@ -821,6 +827,11 @@ namespace nana
return *this; return *this;
} }
void label::relate(widget& w)
{
get_drawer_trigger().impl()->buddy = &w;
}
nana::size label::measure(unsigned limited) const nana::size label::measure(unsigned limited) const
{ {
if(empty()) if(empty())