64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
/**
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* A group widget implementation
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* Nana C++ Library(http://www.nanaro.org)
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* Copyright(C) 2015 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/group.cpp
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*
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* @contributors: Stefan Pfeifer (st-321), Jinhao, Ariel Vina-Rodriguez (qPCR4vir)
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*
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* @brief group is a widget used to visually group and layout other widgets.
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*/
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#include <nana/gui/widgets/group.hpp>
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namespace nana{
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group::group( window parent, ///<
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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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)
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: panel (parent, r),
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titel (*this, titel_)
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{
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titel.format(format);
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::nana::size sz = titel.measure(1000);
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std::stringstream ft;
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ft << "vertical margin=[0," << gap << "," << gap << "," << gap << "]"
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<< " <weight=" << sz.height << " <weight=5> <titel weight=" << sz.width+1 << "> >"
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<< " <content>";
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plc_outer.div(ft.str().c_str());
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plc_outer["titel" ] << titel;
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plc_outer["content"] << content;
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plc_outer.collocate();
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color pbg = API::bgcolor( parent);
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titel.bgcolor(pbg.blend(colors::black, 0.975) );
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color bg=pbg.blend(colors::black, 0.950 );
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bgcolor(pbg);
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content.bgcolor(bg);
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drawing dw(*this);
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// This drawing function is owner by the onwer of dw (the outer panel of the group widget), not by dw !!
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dw.draw([gap,sz,bg,pbg](paint::graphics& graph)
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{
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graph.rectangle(true, pbg);
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graph.round_rectangle(rectangle( point ( gap-1 , sz.height/2 ),
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nana::size (graph.width()-2*(gap-1), graph.height()-sz.height/2-(gap-1))
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),
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3,3, colors::gray_border, true, bg);
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});
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}
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}//end namespace nana
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