141 lines
2.9 KiB
C++
141 lines
2.9 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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* @Author: Stefan Pfeifer(st-321), 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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#include <nana/gui/widgets/label.hpp>
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#include <nana/gui/drawing.hpp>
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namespace nana{
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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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void create(window pnl)
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{
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caption.create(pnl);
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place_content.bind(pnl);
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}
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};
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group::group()
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: impl_(new implement)
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{
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}
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group::group(window parent, const rectangle& r, bool vsb)
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: group()
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{
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create(parent, r, vsb);
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}
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group::~group()
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{
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}
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group& group::enable_format_caption(bool format)
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{
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impl_->caption.format(format);
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return *this;
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}
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place& group::get_place()
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{
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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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}
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void group::div(const char* div_str)
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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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}
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group::field_reference group::operator[](const char* field)
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{
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return impl_->place_content.field(field);
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}
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void group::_m_add_child(const char* field, widget* wdg)
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{
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impl_->place_content[field] << wdg->handle();
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}
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void group::_m_complete_creation()
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{
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panel::_m_complete_creation();
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impl_->create(handle());
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this->div(nullptr);
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auto & outter = impl_->place_content;
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outter["nanaGroupTitle2015"] << impl_->caption;
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outter.collocate();
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color pbg = API::bgcolor(this->parent());
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impl_->caption.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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drawing dw(*this);
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::nana::size sz = impl_->caption.measure(1000);
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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([this, sz, bg, pbg](paint::graphics& graph)
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{
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auto gap_px = impl_->gap - 1;
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graph.rectangle(true, pbg);
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graph.round_rectangle(rectangle(point(gap_px, sz.height / 2),
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nana::size(graph.width() - 2 * gap_px, graph.height() - sz.height / 2 - gap_px)
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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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::nana::string group::_m_caption() const
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{
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return impl_->caption.caption();
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}
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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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}
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}//end namespace nana
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