2269 lines
59 KiB
C++
2269 lines
59 KiB
C++
/*
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* A Treebox Implementation
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* Nana C++ Library(http://www.nanapro.org)
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* Copyright(C) 2003-2015 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/treebox.cpp
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*/
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#include <nana/gui/widgets/treebox.hpp>
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#include <nana/gui/widgets/scroll.hpp>
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#include <nana/gui/element.hpp>
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#include <nana/gui/layout_utility.hpp>
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#include <nana/system/platform.hpp>
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#include <stdexcept>
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namespace nana
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{
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arg_treebox::arg_treebox(treebox& wdg, drawerbase::treebox::item_proxy& m, bool op)
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: widget(wdg), item(m), operated{op}
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{}
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namespace drawerbase
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{
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//Here defines some function objects
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namespace treebox
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{
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using node_type = trigger::node_type;
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bool no_sensitive_compare(const std::string& text, const char *pattern, std::size_t len)
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{
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if(len <= text.length())
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{
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auto s = text.c_str();
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for(std::size_t i = 0; i < len; ++i)
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{
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if('a' <= s[i] && s[i] <= 'z')
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{
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if(pattern[i] != s[i] - ('a' - 'A'))
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return false;
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}
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else
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if(pattern[i] != s[i]) return false;
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}
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return true;
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}
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return false;
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}
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const node_type* find_track_child_node(const node_type* node, const node_type * end, const char* pattern, std::size_t len, bool &finish)
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{
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if(node->value.second.expanded)
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{
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node = node->child;
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while(node)
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{
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if(no_sensitive_compare(node->value.second.text, pattern, len)) return node;
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if(node == end) break;
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if(node->value.second.expanded)
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{
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auto t = find_track_child_node(node, end, pattern, len, finish);
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if(t || finish)
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return t;
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}
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node = node->next;
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}
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}
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finish = (node && (node == end));
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return nullptr;
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}
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class tlwnd_drawer
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: public drawer_trigger, public compset_interface
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{
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public:
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using graph_reference = drawer_trigger::graph_reference;
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void assign(const item_attribute_t & item_attr, const pat::cloneable<renderer_interface>* renderer, const pat::cloneable<compset_placer_interface> * compset_placer)
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{
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if(renderer && compset_placer)
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{
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renderer_ = *renderer;
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placer_ = *compset_placer;
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item_attr_ = item_attr;
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_m_draw();
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}
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}
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private:
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void _m_draw()
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{
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item_r_.x = item_r_.y = 0;
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item_r_.width = placer_->item_width(*this->graph_, item_attr_);
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item_r_.height = placer_->item_height(*this->graph_);
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comp_attribute_t attr;
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if(comp_attribute(component::text, attr))
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{
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nana::paint::graphics item_graph({ item_r_.width, item_r_.height });
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item_graph.typeface(graph_->typeface());
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renderer_->set_color(widget_->bgcolor(), widget_->fgcolor());
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renderer_->bground(item_graph, this);
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renderer_->expander(item_graph, this);
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renderer_->crook(item_graph, this);
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renderer_->icon(item_graph, this);
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renderer_->text(item_graph, this);
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item_graph.paste(attr.area, *graph_, 1, 1);
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graph_->rectangle(false, colors::black);
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}
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}
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private:
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// Implementation of drawer_trigger
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void attached(widget_reference wd, graph_reference graph) override
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{
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widget_ = &wd;
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graph_ = &graph;
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graph.typeface(widget_->typeface());
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}
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private:
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// Implementation of compset_interface
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virtual const item_attribute_t& item_attribute() const override
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{
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return item_attr_;
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}
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virtual bool comp_attribute(component_t comp, comp_attribute_t& comp_attr) const override
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{
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comp_attr.area = item_r_;
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return placer_->locate(comp, item_attr_, &comp_attr.area);
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}
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private:
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::nana::paint::graphics * graph_;
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::nana::pat::cloneable<renderer_interface> renderer_;
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::nana::pat::cloneable<compset_placer_interface> placer_;
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widget *widget_;
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item_attribute_t item_attr_;
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nana::rectangle item_r_;
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};//end class tlwnd_drawer
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class tooltip_window
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: public widget_object<category::root_tag, tlwnd_drawer>
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{
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public:
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tooltip_window(window wd, const rectangle& r)
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: widget_object<category::root_tag, tlwnd_drawer>(wd, false, rectangle(r).pare_off(-1), appear::bald<appear::floating>())
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{
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API::take_active(handle(), false, nullptr);
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}
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drawer_trigger_t & impl()
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{
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return get_drawer_trigger();
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}
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};//end class tooltip_window
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//item_locator should be defined before the definition of basic_implement
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class trigger::item_locator
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{
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public:
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typedef tree_cont_type::node_type node_type;
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item_locator(implement * impl, int item_pos, int x, int y);
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int operator()(node_type &node, int affect);
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node_type * node() const;
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component what() const;
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bool item_body() const;
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nana::rectangle text_pos() const;
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private:
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trigger::implement * impl_;
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nana::point item_pos_;
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const nana::point pos_; //Mouse pointer position
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component what_;
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node_type * node_;
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node_attribute node_attr_;
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nana::rectangle node_r_;
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nana::rectangle node_text_r_;
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};
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struct pred_allow_child
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{
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bool operator()(const trigger::tree_cont_type::node_type& node)
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{
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return node.value.second.expanded;
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}
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};
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//struct implement
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//@brief: some data for treebox trigger
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template<typename Renderer>
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struct trigger::basic_implement
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{
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typedef trigger::node_type node_type;
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struct rep_tag
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{
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nana::paint::graphics * graph;
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::nana::treebox * widget_ptr;
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trigger * trigger_ptr;
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pat::cloneable<compset_placer_interface> comp_placer;
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pat::cloneable<renderer_interface> renderer;
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bool stop_drawing;
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}data;
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struct shape_tag
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{
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nana::upoint border;
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nana::scroll<true> scroll;
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std::size_t prev_first_value;
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mutable std::map<std::string, node_image_tag> image_table;
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tree_cont_type::node_type * first;
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int indent_pixels;
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int offset_x;
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}shape;
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struct attribute_tag
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{
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bool auto_draw;
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tree_cont_type tree_cont;
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}attr;
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struct node_state_tag
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{
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tooltip_window * tooltip;
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component comp_pointed;
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tree_cont_type::node_type * pointed;
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tree_cont_type::node_type * selected;
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tree_cont_type::node_type * event_node;
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}node_state;
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struct track_node_tag
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{
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::std::string key_buf;
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std::size_t key_time;
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}track_node;
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struct adjust_tag
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{
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int offset_x_adjust; //It is a new value of offset_x, and offset_x will be djusted to the new value
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tree_cont_type::node_type * node;
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std::size_t scroll_timestamp;
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nana::timer timer;
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}adjust;
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public:
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basic_implement()
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{
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data.graph = nullptr;
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data.widget_ptr = nullptr;
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data.stop_drawing = false;
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shape.prev_first_value = 0;
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shape.first = nullptr;
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shape.indent_pixels = 10;
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shape.offset_x = 0;
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attr.auto_draw = true;
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node_state.tooltip = nullptr;
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node_state.comp_pointed = component::end;
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node_state.pointed = nullptr;
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node_state.selected = nullptr;
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node_state.event_node = nullptr;
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track_node.key_time = 0;
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adjust.offset_x_adjust = 0;
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adjust.node = nullptr;
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adjust.scroll_timestamp = 0;
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}
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void assign_node_attr(node_attribute& ndattr, const node_type* node) const
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{
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ndattr.has_children = (nullptr != node->child);
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ndattr.expended = node->value.second.expanded;
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ndattr.text = node->value.second.text;
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ndattr.checked = node->value.second.checked;
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ndattr.mouse_pointed = (node_state.pointed == node);
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ndattr.selected = (node_state.selected == node);
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ndattr.icon_hover.close();
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ndattr.icon_normal.close();
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ndattr.icon_expanded.close();
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if(data.comp_placer->enabled(component::icon))
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{
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auto i = shape.image_table.find(node->value.second.img_idstr);
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if(i != shape.image_table.end())
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{
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ndattr.icon_normal = i->second.normal;
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ndattr.icon_expanded = i->second.expanded;
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ndattr.icon_hover = i->second.hovered;
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}
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}
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}
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bool draw(bool scrollbar_react)
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{
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if(data.graph && (false == data.stop_drawing))
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{
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if(scrollbar_react)
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show_scroll();
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//Draw background
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data.graph->rectangle(true, data.widget_ptr->bgcolor());
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//Draw tree
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attr.tree_cont.for_each(shape.first, Renderer(this, nana::point(static_cast<int>(attr.tree_cont.indent_size(shape.first) * shape.indent_pixels) - shape.offset_x, 1)));
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return true;
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}
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return false;
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}
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const trigger::node_type* find_track_node(wchar_t key)
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{
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std::string pattern;
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if('a' <= key && key <= 'z') key -= 'a' - 'A';
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unsigned long now = nana::system::timestamp();
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if (now - track_node.key_time > 1000)
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track_node.key_buf.clear();
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else if((!track_node.key_buf.empty()) && (track_node.key_buf.back() != key))
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pattern = track_node.key_buf;
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track_node.key_time = now;
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if (key <= 0x7f)
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{
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pattern += static_cast<char>(key);
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track_node.key_buf += static_cast<char>(key);
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}
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else
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{
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wchar_t wstr[2] = { key, 0 };
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pattern += to_utf8(wstr);
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track_node.key_buf += to_utf8(wstr);
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}
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const node_type *begin = node_state.selected ? node_state.selected : attr.tree_cont.get_root()->child;
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if(begin)
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{
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const node_type *node = begin;
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const node_type *end = nullptr;
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if(pattern.length() == 1)
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{
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if(node->value.second.expanded && node->child)
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{
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node = node->child;
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}
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else if(!node->next)
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{
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if(!node->owner->next)
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{
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end = begin;
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node = attr.tree_cont.get_root()->child;
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}
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else
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node = node->owner->next;
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}
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else
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node = node->next;
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}
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while(node)
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{
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if(no_sensitive_compare(node->value.second.text, pattern.c_str(), pattern.length())) return node;
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bool finish;
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const node_type *child = find_track_child_node(node, end, pattern.c_str(), pattern.length(), finish);
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if(child)
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return child;
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if(finish || (node == end))
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return nullptr;
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if(!node->next)
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{
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node = (node->owner ? node->owner->next : nullptr);
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if(nullptr == node)
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{
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node = attr.tree_cont.get_root()->child;
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end = begin;
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}
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}
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else
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node = node->next;
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}
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}
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return nullptr;
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}
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static bool check_kinship(const node_type* parent, const node_type * child)
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{
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if((!parent) || (!child))
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return false;
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while(child && (child != parent))
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child = child->owner;
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return (nullptr != child);
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}
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bool make_adjust(node_type * node, int reason)
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{
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if(!node) return false;
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auto & tree_container = attr.tree_cont;
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switch(reason)
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{
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case 0:
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//adjust if the node expanded and the number of its children are over the max number allowed
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if(shape.first != node)
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{
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unsigned child_size = tree_container.child_size_if(*node, pred_allow_child());
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const std::size_t max_allow = max_allowed();
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if(child_size < max_allow)
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{
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unsigned off1 = tree_container.distance_if(shape.first, pred_allow_child());
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unsigned off2 = tree_container.distance_if(node, pred_allow_child());
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const unsigned size = off2 - off1 + child_size + 1;
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if(size > max_allow)
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shape.first = tree_container.advance_if(shape.first, size - max_allow, pred_allow_child());
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}
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else
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shape.first = node;
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}
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break;
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case 1:
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case 2:
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case 3:
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//param is the begin pos of an item in absolute.
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{
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int beg = static_cast<int>(tree_container.indent_size(node) * shape.indent_pixels) - shape.offset_x;
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int end = beg + static_cast<int>(node_w_pixels(node));
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bool take_adjust = false;
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if(reason == 1)
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take_adjust = (beg < 0 || (beg > 0 && end > visible_w_pixels()));
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else if(reason == 2)
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take_adjust = (beg < 0);
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else if(reason == 3)
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return (beg > 0 && end > visible_w_pixels());
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if(take_adjust)
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{
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adjust.offset_x_adjust = shape.offset_x + beg;
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adjust.node = node;
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adjust.timer.start();
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return true;
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}
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}
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break;
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case 4:
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if(shape.first != node)
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{
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unsigned off_first = tree_container.distance_if(shape.first, pred_allow_child());
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unsigned off_node = tree_container.distance_if(node, pred_allow_child());
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if(off_node < off_first)
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{
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shape.first = node;
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return true;
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}
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else if(off_node - off_first > max_allowed())
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{
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shape.first = tree_container.advance_if(0, off_node - max_allowed() + 1, pred_allow_child());
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return true;
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}
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}
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break;
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}
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return false;
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}
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bool set_checked(node_type * node, checkstate cs)
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{
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if (node && node->value.second.checked != cs)
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{
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node->value.second.checked = cs;
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//Don't call the extevent when node is the root node.
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if (node->owner)
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{
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data.stop_drawing = true;
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item_proxy iprx(data.trigger_ptr, node);
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data.widget_ptr->events().checked.emit(::nana::arg_treebox{ *data.widget_ptr, iprx, (checkstate::unchecked != cs) }, data.widget_ptr->handle());
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data.stop_drawing = false;
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}
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return true;
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}
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return false;
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}
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bool set_selected(node_type * node)
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{
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if(node_state.selected != node)
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{
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data.stop_drawing = true;
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if (node_state.selected)
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{
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item_proxy iprx(data.trigger_ptr, node_state.selected);
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data.widget_ptr->events().selected.emit(::nana::arg_treebox{ *data.widget_ptr, iprx, false }, data.widget_ptr->handle());
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}
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node_state.selected = node;
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if (node)
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{
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item_proxy iprx(data.trigger_ptr, node_state.selected);
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data.widget_ptr->events().selected.emit(::nana::arg_treebox{ *data.widget_ptr, iprx, true }, data.widget_ptr->handle());
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}
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data.stop_drawing = false;
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return true;
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}
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return false;
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}
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bool set_expanded(node_type* node, bool value)
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{
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if(node && node->value.second.expanded != value)
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{
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if(value == false)
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{
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//if contracting a parent of the selected node, select the contracted node.
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if(check_kinship(node, node_state.selected))
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set_selected(node);
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}
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node->value.second.expanded = value;
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if(node->child)
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{
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data.stop_drawing = true;
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//attr.ext_event.expand(data.widget_ptr->handle(), item_proxy(data.trigger_ptr, node), value);
|
|
item_proxy iprx(data.trigger_ptr, node);
|
|
data.widget_ptr->events().expanded.emit(::nana::arg_treebox{ *data.widget_ptr, iprx, value }, data.widget_ptr->handle());
|
|
data.stop_drawing = false;
|
|
}
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void show_scroll()
|
|
{
|
|
if(nullptr == data.graph) return;
|
|
|
|
std::size_t max_allow = max_allowed();
|
|
std::size_t visual_items = visual_item_size();
|
|
|
|
auto & scroll = shape.scroll;
|
|
if(visual_items <= max_allow)
|
|
{
|
|
if(!scroll.empty())
|
|
{
|
|
scroll.close();
|
|
shape.first = nullptr;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(scroll.empty())
|
|
{
|
|
shape.prev_first_value = 0;
|
|
scroll.create(*data.widget_ptr, nana::rectangle(data.graph->width() - 16, 0, 16, data.graph->height()));
|
|
|
|
auto fn = [this](const arg_mouse& arg){
|
|
this->event_scrollbar(arg);
|
|
};
|
|
auto & events = scroll.events();
|
|
events.mouse_down(fn);
|
|
events.mouse_move(fn);
|
|
events.mouse_wheel(fn);
|
|
}
|
|
|
|
scroll.amount(visual_items);
|
|
scroll.range(max_allow);
|
|
}
|
|
|
|
scroll.value(attr.tree_cont.distance_if(shape.first, pred_allow_child()));
|
|
}
|
|
|
|
void event_scrollbar(const arg_mouse& arg)
|
|
{
|
|
if((event_code::mouse_wheel == arg.evt_code) || arg.is_left_button())
|
|
{
|
|
if(shape.prev_first_value != shape.scroll.value())
|
|
{
|
|
shape.prev_first_value = shape.scroll.value();
|
|
adjust.scroll_timestamp = nana::system::timestamp();
|
|
adjust.timer.start();
|
|
|
|
shape.first = attr.tree_cont.advance_if(nullptr, shape.prev_first_value, pred_allow_child());
|
|
|
|
if(arg.window_handle == shape.scroll.handle())
|
|
{
|
|
draw(false);
|
|
API::update_window(data.widget_ptr->handle());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
std::size_t visual_item_size() const
|
|
{
|
|
return attr.tree_cont.child_size_if(std::string(), pred_allow_child{});
|
|
}
|
|
|
|
int visible_w_pixels() const
|
|
{
|
|
if(!data.graph)
|
|
return 0;
|
|
|
|
return static_cast<int>(data.graph->width() - (shape.scroll.empty() ? 0 : shape.scroll.size().width));
|
|
}
|
|
|
|
unsigned node_w_pixels(const node_type *node) const
|
|
{
|
|
node_attribute node_attr;
|
|
assign_node_attr(node_attr, node);
|
|
return data.comp_placer->item_width(*data.graph, node_attr);
|
|
}
|
|
|
|
std::size_t max_allowed() const
|
|
{
|
|
return (data.graph->height() / data.comp_placer->item_height(*data.graph));
|
|
}
|
|
|
|
nana::paint::image* image(const node_type* node)
|
|
{
|
|
const std::string& idstr = node->value.second.img_idstr;
|
|
if(idstr.size())
|
|
{
|
|
auto i = shape.image_table.find(idstr);
|
|
if(i == shape.image_table.end())
|
|
return nullptr;
|
|
|
|
unsigned long state = static_cast<unsigned long>(-1);
|
|
if(node_state.pointed == node && (node_state.comp_pointed == component::text || node_state.comp_pointed == component::crook || node_state.comp_pointed == component::icon))
|
|
state = (node_state.pointed != node_state.selected ? 0: 1);
|
|
else if(node_state.selected == node)
|
|
state = 2;
|
|
|
|
node_image_tag & nodeimg = i->second;
|
|
if(node->value.second.expanded || (state == 1 || state == 2))
|
|
if(nodeimg.expanded.empty() == false) return &nodeimg.expanded;
|
|
|
|
if(node->value.second.expanded == false && state == 0)
|
|
if(nodeimg.hovered.empty() == false) return &nodeimg.hovered;
|
|
|
|
return &nodeimg.normal;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
bool track_mouse(int x, int y)
|
|
{
|
|
int xpos = attr.tree_cont.indent_size(shape.first) * shape.indent_pixels - shape.offset_x;
|
|
item_locator nl(this, xpos, x, y);
|
|
attr.tree_cont.template for_each<item_locator&>(shape.first, nl);
|
|
|
|
bool redraw = false;
|
|
node_state.event_node = nl.node();
|
|
|
|
if(nl.node() && (nl.what() != component::end))
|
|
{
|
|
if((nl.what() != node_state.comp_pointed || nl.node() != node_state.pointed))
|
|
{
|
|
node_state.comp_pointed = nl.what();
|
|
|
|
if (node_state.pointed)
|
|
{
|
|
item_proxy iprx(data.trigger_ptr, node_state.pointed);
|
|
data.widget_ptr->events().hovered.emit(::nana::arg_treebox{ *data.widget_ptr, iprx, false }, data.widget_ptr->handle());
|
|
|
|
if (nl.node() != node_state.pointed)
|
|
close_tooltip_window();
|
|
}
|
|
|
|
|
|
node_state.pointed = nl.node();
|
|
item_proxy iprx(data.trigger_ptr, node_state.pointed);
|
|
data.widget_ptr->events().hovered.emit(::nana::arg_treebox{ *data.widget_ptr, iprx, true }, data.widget_ptr->handle());
|
|
|
|
redraw = (node_state.comp_pointed != component::end);
|
|
|
|
if (component::text == node_state.comp_pointed)
|
|
{
|
|
make_adjust(node_state.pointed, 2);
|
|
adjust.scroll_timestamp = 1;
|
|
|
|
show_tooltip_window(nl.text_pos());
|
|
}
|
|
}
|
|
}
|
|
else if(node_state.pointed)
|
|
{
|
|
redraw = true;
|
|
node_state.comp_pointed = component::end;
|
|
item_proxy iprx(data.trigger_ptr, node_state.pointed);
|
|
data.widget_ptr->events().hovered.emit(::nana::arg_treebox{ *data.widget_ptr, iprx, false }, data.widget_ptr->handle());
|
|
|
|
close_tooltip_window();
|
|
node_state.pointed = nullptr;
|
|
}
|
|
|
|
return redraw;
|
|
}
|
|
|
|
void show_tooltip_window(const rectangle& text_r)
|
|
{
|
|
if(text_r.right() > visible_w_pixels())
|
|
{
|
|
node_state.tooltip = new tooltip_window(data.widget_ptr->handle(), text_r);
|
|
|
|
node_attribute node_attr;
|
|
assign_node_attr(node_attr, node_state.pointed);
|
|
node_state.tooltip->impl().assign(node_attr, &data.renderer, &data.comp_placer);
|
|
node_state.tooltip->show();
|
|
|
|
auto fn = [this](const arg_mouse& arg)
|
|
{
|
|
switch (arg.evt_code)
|
|
{
|
|
case event_code::mouse_leave:
|
|
close_tooltip_window();
|
|
break;
|
|
case event_code::mouse_move:
|
|
mouse_move_tooltip_window();
|
|
break;
|
|
case event_code::mouse_down:
|
|
case event_code::mouse_up:
|
|
case event_code::dbl_click:
|
|
click_tooltip_window(arg);
|
|
break;
|
|
default: //ignore other events
|
|
break;
|
|
}
|
|
};
|
|
|
|
auto & events = node_state.tooltip->events();
|
|
events.mouse_leave(fn);
|
|
events.mouse_move(fn);
|
|
events.mouse_down.connect(fn);
|
|
events.mouse_up.connect(fn);
|
|
events.dbl_click.connect(fn);
|
|
}
|
|
}
|
|
|
|
void close_tooltip_window()
|
|
{
|
|
if(node_state.tooltip)
|
|
{
|
|
tooltip_window * x = node_state.tooltip;
|
|
node_state.tooltip = nullptr;
|
|
delete x;
|
|
|
|
if (node_state.pointed)
|
|
{
|
|
node_state.pointed = nullptr;
|
|
draw(false);
|
|
API::update_window(data.widget_ptr->handle());
|
|
}
|
|
}
|
|
}
|
|
|
|
void mouse_move_tooltip_window()
|
|
{
|
|
nana::point pos = API::cursor_position();
|
|
API::calc_window_point(data.widget_ptr->handle(), pos);
|
|
|
|
if(pos.x >= visible_w_pixels())
|
|
close_tooltip_window();
|
|
}
|
|
|
|
void click_tooltip_window(const arg_mouse& arg)
|
|
{
|
|
switch(arg.evt_code)
|
|
{
|
|
case event_code::dbl_click:
|
|
case event_code::mouse_down:
|
|
if(make_adjust(node_state.pointed, 1))
|
|
adjust.scroll_timestamp = 1;
|
|
return;
|
|
case event_code::mouse_up:
|
|
if(node_state.selected == node_state.pointed)
|
|
return;
|
|
set_selected(node_state.pointed);
|
|
break;
|
|
default:
|
|
set_expanded(node_state.selected, !node_state.selected->value.second.expanded);
|
|
}
|
|
|
|
draw(false);
|
|
API::update_window(data.widget_ptr->handle());
|
|
}
|
|
|
|
void check_child(node_type * node, bool checked)
|
|
{
|
|
set_checked(node, (checked ? checkstate::checked : checkstate::unchecked));
|
|
node = node->child;
|
|
while(node)
|
|
{
|
|
check_child(node, checked);
|
|
node = node->next;
|
|
}
|
|
}
|
|
}; //end struct trigger::implement;
|
|
|
|
//class item_proxy
|
|
item_proxy::item_proxy(trigger* trg, trigger::node_type* node)
|
|
: trigger_(trg), node_(node)
|
|
{
|
|
//Make it an end itertor if one of them is a nullptr
|
|
if(nullptr == trg || nullptr == node)
|
|
{
|
|
trigger_ = nullptr;
|
|
node_ = nullptr;
|
|
}
|
|
}
|
|
|
|
item_proxy item_proxy::append(const std::string& key, std::string name)
|
|
{
|
|
if(nullptr == trigger_ || nullptr == node_)
|
|
return item_proxy();
|
|
return item_proxy(trigger_, trigger_->insert(node_, key, std::move(name)));
|
|
}
|
|
|
|
bool item_proxy::empty() const
|
|
{
|
|
return !(trigger_ && node_);
|
|
}
|
|
|
|
std::size_t item_proxy::level() const
|
|
{
|
|
std::size_t n = 0;
|
|
if (trigger_ && node_)
|
|
{
|
|
auto owner = node_->owner;
|
|
while (owner)
|
|
{
|
|
++n;
|
|
owner = owner->owner;
|
|
}
|
|
}
|
|
return n;
|
|
}
|
|
|
|
bool item_proxy::checked() const
|
|
{
|
|
return (node_ && (checkstate::checked == node_->value.second.checked));
|
|
}
|
|
|
|
item_proxy& item_proxy::check(bool ck)
|
|
{
|
|
trigger_->check(node_, ck ? checkstate::checked : checkstate::unchecked);
|
|
if(trigger_->draw())
|
|
API::update_window(trigger_->impl()->data.widget_ptr->handle());
|
|
return *this;
|
|
}
|
|
|
|
bool item_proxy::expanded() const
|
|
{
|
|
return (node_ && node_->value.second.expanded);
|
|
}
|
|
|
|
item_proxy& item_proxy::expand(bool exp)
|
|
{
|
|
auto * impl = trigger_->impl();
|
|
if(impl->set_expanded(node_, exp))
|
|
{
|
|
impl->draw(true);
|
|
API::update_window(impl->data.widget_ptr->handle());
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
bool item_proxy::selected() const
|
|
{
|
|
return (trigger_->impl()->node_state.selected == node_);
|
|
}
|
|
|
|
item_proxy& item_proxy::select(bool s)
|
|
{
|
|
auto * impl = trigger_->impl();
|
|
if(impl->set_selected(s ? node_ : nullptr))
|
|
{
|
|
impl->draw(true);
|
|
API::update_window(*impl->data.widget_ptr);
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
const std::string& item_proxy::icon() const
|
|
{
|
|
return node_->value.second.img_idstr;
|
|
}
|
|
|
|
item_proxy& item_proxy::icon(const std::string& id)
|
|
{
|
|
node_->value.second.img_idstr = id;
|
|
return *this;
|
|
}
|
|
|
|
item_proxy& item_proxy::key(const std::string& kstr)
|
|
{
|
|
trigger_->rename(node_, kstr.data(), nullptr);
|
|
return *this;
|
|
}
|
|
|
|
const std::string& item_proxy::key() const
|
|
{
|
|
return node_->value.first;
|
|
}
|
|
|
|
const std::string& item_proxy::text() const
|
|
{
|
|
return node_->value.second.text;
|
|
}
|
|
|
|
item_proxy& item_proxy::text(const std::string& id)
|
|
{
|
|
trigger_->rename(node_, nullptr, id.data());
|
|
return *this;
|
|
}
|
|
|
|
std::size_t item_proxy::size() const
|
|
{
|
|
std::size_t n = 0;
|
|
for(auto child = node_->child; child; child = child->child)
|
|
++n;
|
|
|
|
return n;
|
|
}
|
|
|
|
item_proxy item_proxy::child() const
|
|
{
|
|
return{ trigger_, node_->child};
|
|
}
|
|
|
|
item_proxy item_proxy::owner() const
|
|
{
|
|
return{ trigger_, node_->owner };
|
|
}
|
|
|
|
item_proxy item_proxy::sibling() const
|
|
{
|
|
return{ trigger_, node_->next };
|
|
}
|
|
|
|
item_proxy item_proxy::begin() const
|
|
{
|
|
return{ trigger_, node_->child };
|
|
}
|
|
|
|
item_proxy item_proxy::end() const
|
|
{
|
|
return{};
|
|
}
|
|
|
|
item_proxy item_proxy::visit_recursively(std::function<bool(item_proxy)> action)
|
|
{
|
|
if (!action(*this))
|
|
return *this;
|
|
|
|
for (auto i : *this)
|
|
{
|
|
auto stop = i.visit_recursively(action);
|
|
if (stop != i.end())
|
|
return stop;
|
|
}
|
|
return end();
|
|
}
|
|
|
|
bool item_proxy::operator==(const std::string& s) const
|
|
{
|
|
return (node_ && (node_->value.second.text == s));
|
|
}
|
|
|
|
bool item_proxy::operator==(const char* s) const
|
|
{
|
|
return (node_ && (node_->value.second.text == s));
|
|
}
|
|
|
|
bool item_proxy::operator==(const wchar_t* s) const
|
|
{
|
|
return (node_ && s && (node_->value.second.text == to_utf8(s)));
|
|
}
|
|
|
|
// Behavior of Iterator
|
|
item_proxy& item_proxy::operator=(const item_proxy& r)
|
|
{
|
|
if(this != &r)
|
|
{
|
|
trigger_ = r.trigger_;
|
|
node_ = r.node_;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
item_proxy & item_proxy::operator++()
|
|
{
|
|
if(trigger_ && node_)
|
|
node_ = node_->next;
|
|
|
|
return *this;
|
|
}
|
|
|
|
item_proxy item_proxy::operator++(int)
|
|
{
|
|
return sibling();
|
|
}
|
|
|
|
item_proxy& item_proxy::operator*()
|
|
{
|
|
return *this;
|
|
}
|
|
|
|
const item_proxy& item_proxy::operator*() const
|
|
{
|
|
return *this;
|
|
}
|
|
|
|
item_proxy* item_proxy::operator->()
|
|
{
|
|
return this;
|
|
}
|
|
|
|
const item_proxy* item_proxy::operator->() const
|
|
{
|
|
return this;
|
|
}
|
|
|
|
bool item_proxy::operator==(const item_proxy& rhs) const
|
|
{
|
|
if(empty() != rhs.empty())
|
|
return false;
|
|
|
|
//Not empty
|
|
if(node_ && trigger_)
|
|
return ((node_ == rhs.node_) && (trigger_ == rhs.trigger_));
|
|
|
|
//Both are empty
|
|
return true;
|
|
}
|
|
|
|
bool item_proxy::operator!=(const item_proxy& rhs) const
|
|
{
|
|
return !(this->operator==(rhs));
|
|
}
|
|
|
|
nana::any& item_proxy::_m_value()
|
|
{
|
|
return node_->value.second.value;
|
|
}
|
|
|
|
const nana::any& item_proxy::_m_value() const
|
|
{
|
|
return node_->value.second.value;
|
|
}
|
|
|
|
//Undocumentated methods for internal use.
|
|
trigger::node_type * item_proxy::_m_node() const
|
|
{
|
|
return node_;
|
|
}
|
|
//end class item_proxy
|
|
|
|
class internal_placer
|
|
: public compset_placer_interface
|
|
{
|
|
static const unsigned item_offset = 16;
|
|
static const unsigned text_offset = 4;
|
|
private:
|
|
//Implement the compset_locator_interface
|
|
|
|
virtual void enable(component_t comp, bool enabled) override
|
|
{
|
|
switch(comp)
|
|
{
|
|
case component_t::crook:
|
|
pixels_crook_ = (enabled ? 16 : 0);
|
|
break;
|
|
case component_t::icon:
|
|
pixels_icon_ = (enabled ? 16 : 0);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
virtual bool enabled(component_t comp) const override
|
|
{
|
|
switch(comp)
|
|
{
|
|
case component_t::crook:
|
|
return (0 != pixels_crook_);
|
|
case component_t::icon:
|
|
return (0 != pixels_icon_);
|
|
default:
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
virtual unsigned item_height(graph_reference graph) const override
|
|
{
|
|
return graph.text_extent_size(L"jH{", 3).height + 8;
|
|
}
|
|
|
|
virtual unsigned item_width(graph_reference graph, const item_attribute_t& attr) const override
|
|
{
|
|
return graph.text_extent_size(attr.text).width + pixels_crook_ + pixels_icon_ + (text_offset << 1) + item_offset;
|
|
}
|
|
|
|
// Locate a component through the specified coordinate.
|
|
// @param comp the component of the item.
|
|
// @param attr the attribute of the item.
|
|
// @param r the pointer refers to a rectangle for receiving the position and size of the component.
|
|
// @returns the true when the component is located by the locator.
|
|
virtual bool locate(component_t comp, const item_attribute_t& attr, rectangle * r) const override
|
|
{
|
|
switch(comp)
|
|
{
|
|
case component_t::expender:
|
|
if(attr.has_children)
|
|
{
|
|
r->width = item_offset;
|
|
return true;
|
|
}
|
|
return false;
|
|
case component_t::bground:
|
|
return true;
|
|
case component_t::crook:
|
|
if(pixels_crook_)
|
|
{
|
|
r->x += item_offset;
|
|
r->width = pixels_crook_;
|
|
return true;
|
|
}
|
|
return false;
|
|
case component_t::icon:
|
|
if(pixels_icon_)
|
|
{
|
|
r->x += item_offset + pixels_crook_;
|
|
r->y = 2;
|
|
r->width = pixels_icon_;
|
|
r->height -= 2;
|
|
return true;
|
|
}
|
|
return false;
|
|
case component_t::text:
|
|
{
|
|
auto text_pos = item_offset + pixels_crook_ + pixels_icon_ + text_offset;
|
|
r->x += text_pos;
|
|
r->width -= (text_pos + text_offset);
|
|
};
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
return false;
|
|
}
|
|
private:
|
|
unsigned pixels_crook_{0};
|
|
unsigned pixels_icon_{0};
|
|
};
|
|
|
|
class internal_renderer
|
|
: public renderer_interface
|
|
{
|
|
nana::color bgcolor_;
|
|
nana::color fgcolor_;
|
|
|
|
void set_color(const nana::color & bgcolor, const nana::color& fgcolor) override
|
|
{
|
|
bgcolor_ = bgcolor;
|
|
fgcolor_ = fgcolor;
|
|
}
|
|
|
|
void bground(graph_reference graph, const compset_interface * compset) const override
|
|
{
|
|
comp_attribute_t attr;
|
|
|
|
if(compset->comp_attribute(component::bground, attr))
|
|
{
|
|
const ::nana::color color_table[][2] = { { { 0xE8, 0xF5, 0xFD }, { 0xD8, 0xF0, 0xFA } }, //highlighted
|
|
{ { 0xC4, 0xE8, 0xFA }, { 0xB6, 0xE6, 0xFB } }, //Selected and highlighted
|
|
{ { 0xD5, 0xEF, 0xFC }, {0x99, 0xDE, 0xFD } } //Selected but not highlighted
|
|
};
|
|
|
|
const ::nana::color *clrptr = nullptr;
|
|
if(compset->item_attribute().mouse_pointed)
|
|
{
|
|
if(compset->item_attribute().selected)
|
|
clrptr = color_table[1];
|
|
else
|
|
clrptr = color_table[0];
|
|
}
|
|
else if(compset->item_attribute().selected)
|
|
clrptr = color_table[2];
|
|
|
|
if (clrptr)
|
|
{
|
|
graph.rectangle(attr.area, false, clrptr[1]);
|
|
graph.rectangle(attr.area.pare_off(1), true, *clrptr);
|
|
}
|
|
}
|
|
}
|
|
|
|
void expander(graph_reference graph, const compset_interface * compset) const override
|
|
{
|
|
comp_attribute_t attr;
|
|
if(compset->comp_attribute(component::expender, attr))
|
|
{
|
|
facade<element::arrow> arrow("solid_triangle");
|
|
arrow.direction(direction::southeast);
|
|
if (!compset->item_attribute().expended)
|
|
{
|
|
arrow.switch_to("hollow_triangle");
|
|
arrow.direction(direction::east);
|
|
}
|
|
auto r = attr.area;
|
|
r.y += (attr.area.height - 16) / 2;
|
|
r.width = r.height = 16;
|
|
arrow.draw(graph, bgcolor_, (attr.mouse_pointed ? colors::deep_sky_blue : colors::black), r, element_state::normal);
|
|
}
|
|
}
|
|
|
|
void crook(graph_reference graph, const compset_interface * compset) const override
|
|
{
|
|
comp_attribute_t attr;
|
|
if(compset->comp_attribute(component::crook, attr))
|
|
{
|
|
attr.area.y += (attr.area.height - 16) / 2;
|
|
crook_.check(compset->item_attribute().checked);
|
|
crook_.draw(graph, bgcolor_, fgcolor_, attr.area, attr.mouse_pointed ? element_state::hovered : element_state::normal);
|
|
}
|
|
}
|
|
|
|
virtual void icon(graph_reference graph, const compset_interface * compset) const override
|
|
{
|
|
comp_attribute_t attr;
|
|
if(compset->comp_attribute(component::icon, attr))
|
|
{
|
|
const nana::paint::image * img = nullptr;
|
|
auto & item_attr = compset->item_attribute();
|
|
if (item_attr.mouse_pointed)
|
|
img = &(item_attr.icon_hover);
|
|
else if (item_attr.expended)
|
|
img = &(item_attr.icon_expanded);
|
|
|
|
if((nullptr == img) || img->empty())
|
|
img = &(item_attr.icon_normal);
|
|
|
|
if(! img->empty())
|
|
{
|
|
auto size = img->size();
|
|
if(size.width > attr.area.width || size.height > attr.area.height)
|
|
{
|
|
nana::size fit_size;
|
|
nana::fit_zoom(size, attr.area.dimension(), fit_size);
|
|
|
|
attr.area.x += (attr.area.width - fit_size.width) / 2;
|
|
attr.area.y += (attr.area.height - fit_size.height) / 2;
|
|
attr.area = fit_size;
|
|
img->stretch(::nana::rectangle{ size }, graph, attr.area);
|
|
}
|
|
else
|
|
img->paste(graph, point{ attr.area.x + static_cast<int>(attr.area.width - size.width) / 2, attr.area.y + static_cast<int>(attr.area.height - size.height) / 2 });
|
|
}
|
|
}
|
|
}
|
|
|
|
virtual void text(graph_reference graph, const compset_interface * compset) const override
|
|
{
|
|
comp_attribute_t attr;
|
|
if (compset->comp_attribute(component::text, attr))
|
|
graph.string(point{ attr.area.x, attr.area.y + 3 }, compset->item_attribute().text, fgcolor_);
|
|
}
|
|
private:
|
|
mutable facade<element::crook> crook_;
|
|
};
|
|
|
|
|
|
//class trigger::item_locator
|
|
trigger::item_locator::item_locator(implement * impl, int item_pos, int x, int y)
|
|
: impl_(impl),
|
|
item_pos_(item_pos, 1),
|
|
pos_(x, y),
|
|
what_(component::end),
|
|
node_(nullptr)
|
|
{}
|
|
|
|
int trigger::item_locator::operator()(node_type &node, int affect)
|
|
{
|
|
auto & node_desc = impl_->shape;
|
|
|
|
switch(affect)
|
|
{
|
|
case 0: break;
|
|
case 1: item_pos_.x += static_cast<int>(node_desc.indent_pixels); break;
|
|
default:
|
|
if(affect >= 2)
|
|
item_pos_.x -= static_cast<int>(node_desc.indent_pixels) * (affect - 1);
|
|
}
|
|
|
|
impl_->assign_node_attr(node_attr_, &node);
|
|
nana::rectangle node_r;
|
|
auto & comp_placer = impl_->data.comp_placer;
|
|
|
|
node_r.width = comp_placer->item_width(*impl_->data.graph, node_attr_);
|
|
node_r.height = comp_placer->item_height(*impl_->data.graph);
|
|
|
|
if(pos_.y < item_pos_.y + static_cast<int>(node_r.height))
|
|
{
|
|
auto logic_pos = pos_ - item_pos_;
|
|
node_ = &node;
|
|
|
|
for(int comp = static_cast<int>(component::begin); comp != static_cast<int>(component::end); ++comp)
|
|
{
|
|
nana::rectangle r = node_r;
|
|
if(comp_placer->locate(static_cast<component>(comp), node_attr_, &r))
|
|
{
|
|
if(r.is_hit(logic_pos))
|
|
{
|
|
what_ = static_cast<component>(comp);
|
|
if(component::expender == what_ && (false == node_attr_.has_children))
|
|
what_ = component::end;
|
|
|
|
if(component::text == what_)
|
|
node_text_r_ = r;
|
|
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
item_pos_.y += node_r.height;
|
|
|
|
if(node.value.second.expanded && node.child)
|
|
return 1;
|
|
|
|
return 2;
|
|
}
|
|
|
|
trigger::item_locator::node_type * trigger::item_locator::node() const
|
|
{
|
|
return node_;
|
|
}
|
|
|
|
component trigger::item_locator::what() const
|
|
{
|
|
return what_;
|
|
}
|
|
|
|
bool trigger::item_locator::item_body() const
|
|
{
|
|
return (component::text == what_ || component::icon == what_ || component::bground == what_);
|
|
}
|
|
|
|
nana::rectangle trigger::item_locator::text_pos() const
|
|
{
|
|
return{node_text_r_.x + item_pos_.x, node_text_r_.y + item_pos_.y, node_text_r_.width, node_text_r_.height};
|
|
}
|
|
//end class item_locator
|
|
|
|
class trigger::item_renderer
|
|
: public compset_interface
|
|
{
|
|
public:
|
|
typedef tree_cont_type::node_type node_type;
|
|
|
|
item_renderer(implement * impl, const nana::point& pos)
|
|
: impl_(impl),
|
|
bgcolor_(impl->data.widget_ptr->bgcolor()),
|
|
fgcolor_(impl->data.widget_ptr->fgcolor()),
|
|
pos_(pos)
|
|
{
|
|
}
|
|
|
|
//affect
|
|
//0 = Sibling, the last is a sibling of node
|
|
//1 = Owner, the last is the owner of node
|
|
//>=2 = Children, the last is a child of a node that before this node.
|
|
int operator()(const node_type& node, int affect)
|
|
{
|
|
implement * draw_impl = impl_;
|
|
|
|
iterated_node_ = &node;
|
|
switch(affect)
|
|
{
|
|
case 1:
|
|
pos_.x += draw_impl->shape.indent_pixels;
|
|
break;
|
|
default:
|
|
if(affect >= 2)
|
|
pos_.x -= draw_impl->shape.indent_pixels * (affect - 1);
|
|
}
|
|
|
|
auto & comp_placer = impl_->data.comp_placer;
|
|
|
|
impl_->assign_node_attr(node_attr_, iterated_node_);
|
|
node_r_.x = node_r_.y = 0;
|
|
node_r_.width = comp_placer->item_width(*impl_->data.graph, node_attr_);
|
|
node_r_.height = comp_placer->item_height(*impl_->data.graph);
|
|
|
|
auto renderer = draw_impl->data.renderer;
|
|
renderer->set_color(bgcolor_, fgcolor_);
|
|
renderer->bground(*draw_impl->data.graph, this);
|
|
renderer->expander(*draw_impl->data.graph, this);
|
|
renderer->crook(*draw_impl->data.graph, this);
|
|
renderer->icon(*draw_impl->data.graph, this);
|
|
renderer->text(*draw_impl->data.graph, this);
|
|
|
|
pos_.y += node_r_.height;
|
|
|
|
if(pos_.y > static_cast<int>(draw_impl->data.graph->height()))
|
|
return 0;
|
|
|
|
return (node.child && node.value.second.expanded ? 1 : 2);
|
|
}
|
|
private:
|
|
//Overrides compset_interface
|
|
virtual const item_attribute_t& item_attribute() const override
|
|
{
|
|
return node_attr_;
|
|
}
|
|
|
|
virtual bool comp_attribute(component_t comp, comp_attribute_t& attr) const override
|
|
{
|
|
attr.area = node_r_;
|
|
if (impl_->data.comp_placer->locate(comp, node_attr_, &attr.area))
|
|
{
|
|
attr.mouse_pointed = node_attr_.mouse_pointed;
|
|
attr.area.x += pos_.x;
|
|
attr.area.y += pos_.y;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
private:
|
|
trigger::implement * impl_;
|
|
::nana::color bgcolor_;
|
|
::nana::color fgcolor_;
|
|
::nana::point pos_;
|
|
const node_type * iterated_node_;
|
|
item_attribute_t node_attr_;
|
|
::nana::rectangle node_r_;
|
|
};
|
|
}
|
|
|
|
//Treebox Implementation
|
|
namespace treebox
|
|
{
|
|
//class trigger
|
|
//struct treebox_node_type
|
|
trigger::treebox_node_type::treebox_node_type()
|
|
:expanded(false), checked(checkstate::unchecked)
|
|
{}
|
|
|
|
trigger::treebox_node_type::treebox_node_type(std::string text)
|
|
:text(std::move(text)), expanded(false), checked(checkstate::unchecked)
|
|
{}
|
|
|
|
trigger::treebox_node_type& trigger::treebox_node_type::operator=(const treebox_node_type& rhs)
|
|
{
|
|
if(this != &rhs)
|
|
{
|
|
text = rhs.text;
|
|
value = rhs.value;
|
|
checked = rhs.checked;
|
|
img_idstr = rhs.img_idstr;
|
|
}
|
|
return *this;
|
|
}
|
|
//end struct treebox_node_type
|
|
|
|
trigger::trigger()
|
|
: impl_(new implement)
|
|
{
|
|
impl_->data.trigger_ptr = this;
|
|
impl_->data.renderer = nana::pat::cloneable<renderer_interface>(internal_renderer());
|
|
impl_->data.comp_placer = nana::pat::cloneable<compset_placer_interface>(internal_placer());
|
|
|
|
impl_->adjust.timer.elapse([this]
|
|
{
|
|
auto & adjust = impl_->adjust;
|
|
if (adjust.scroll_timestamp && (nana::system::timestamp() - adjust.scroll_timestamp >= 500))
|
|
{
|
|
if (0 == adjust.offset_x_adjust)
|
|
{
|
|
if (!impl_->make_adjust(adjust.node ? adjust.node : impl_->shape.first, 1))
|
|
{
|
|
adjust.offset_x_adjust = 0;
|
|
adjust.node = nullptr;
|
|
adjust.scroll_timestamp = 0;
|
|
adjust.timer.stop();
|
|
return;
|
|
}
|
|
}
|
|
|
|
auto & shape = impl_->shape;
|
|
const int delta = 5;
|
|
int old = shape.offset_x;
|
|
|
|
if (shape.offset_x < adjust.offset_x_adjust)
|
|
{
|
|
shape.offset_x += delta;
|
|
if (shape.offset_x > adjust.offset_x_adjust)
|
|
shape.offset_x = adjust.offset_x_adjust;
|
|
}
|
|
else if (shape.offset_x > adjust.offset_x_adjust)
|
|
{
|
|
shape.offset_x -= delta;
|
|
if (shape.offset_x < adjust.offset_x_adjust)
|
|
shape.offset_x = adjust.offset_x_adjust;
|
|
}
|
|
|
|
impl_->draw(false);
|
|
API::update_window(impl_->data.widget_ptr->handle());
|
|
|
|
if (impl_->node_state.tooltip)
|
|
{
|
|
nana::point pos = impl_->node_state.tooltip->pos();
|
|
impl_->node_state.tooltip->move(pos.x - shape.offset_x + old, pos.y);
|
|
}
|
|
|
|
if (shape.offset_x == adjust.offset_x_adjust)
|
|
{
|
|
adjust.offset_x_adjust = 0;
|
|
adjust.node = nullptr;
|
|
adjust.scroll_timestamp = 0;
|
|
adjust.timer.stop();
|
|
}
|
|
}
|
|
});
|
|
|
|
impl_->adjust.timer.interval(16);
|
|
impl_->adjust.timer.start();
|
|
}
|
|
|
|
trigger::~trigger()
|
|
{
|
|
delete impl_;
|
|
}
|
|
|
|
trigger::implement * trigger::impl() const
|
|
{
|
|
return impl_;
|
|
}
|
|
|
|
void trigger::auto_draw(bool ad)
|
|
{
|
|
if(impl_->attr.auto_draw != ad)
|
|
{
|
|
impl_->attr.auto_draw = ad;
|
|
if(ad)
|
|
API::update_window(impl_->data.widget_ptr->handle());
|
|
}
|
|
}
|
|
|
|
void trigger::checkable(bool enable)
|
|
{
|
|
auto & comp_placer = impl_->data.comp_placer;
|
|
if(comp_placer->enabled(component::crook) != enable)
|
|
{
|
|
comp_placer->enable(component::crook, enable);
|
|
if(impl_->attr.auto_draw)
|
|
{
|
|
impl_->draw(false);
|
|
API::update_window(impl_->data.widget_ptr->handle());
|
|
}
|
|
}
|
|
}
|
|
|
|
bool trigger::checkable() const
|
|
{
|
|
return impl_->data.comp_placer->enabled(component::crook);
|
|
}
|
|
|
|
void trigger::check(node_type* node, checkstate cs)
|
|
{
|
|
if (!node->owner) return;
|
|
///SUPER NODE, have no value. Keep independent "user-Roots" added with insert
|
|
///The ROOT node is not operational and leave the user-node independent
|
|
|
|
if(cs != checkstate::unchecked)
|
|
cs = checkstate::checked;
|
|
|
|
//Return if thay are same.
|
|
if(node->value.second.checked == cs)
|
|
return;
|
|
|
|
//First, check the children of node, it prevents the use of
|
|
//unactualized child nodes during "on_checked".
|
|
node_type * child = node->child;
|
|
while(child)
|
|
{
|
|
impl_->check_child(child, cs != checkstate::unchecked);
|
|
child = child->next;
|
|
}
|
|
|
|
//After that, check self.
|
|
impl_->set_checked(node, cs);
|
|
|
|
//Then, change the parent node check state
|
|
node_type * owner = node->owner;
|
|
|
|
/// SUPER NODE, have no value. Keep independent "user-Roots" added with insert
|
|
/// Make sure that the owner is not the ROOT node.
|
|
while(owner->owner)
|
|
{
|
|
std::size_t len_checked = 0;
|
|
std::size_t size = 0;
|
|
checkstate cs = checkstate::unchecked;
|
|
child = owner->child;
|
|
while(child)
|
|
{
|
|
++size;
|
|
if(checkstate::checked == child->value.second.checked)
|
|
{
|
|
++len_checked;
|
|
if(size != len_checked)
|
|
{
|
|
cs = checkstate::partial;
|
|
break;
|
|
}
|
|
}
|
|
else if((checkstate::partial == child->value.second.checked) || (len_checked && (len_checked < size)))
|
|
{
|
|
cs = checkstate::partial;
|
|
break;
|
|
}
|
|
child = child->next;
|
|
}
|
|
|
|
if(size && (size == len_checked))
|
|
cs = checkstate::checked;
|
|
|
|
if(cs == owner->value.second.checked)
|
|
break;
|
|
|
|
impl_->set_checked(owner, cs);
|
|
owner = owner->owner;
|
|
}
|
|
}
|
|
|
|
bool trigger::draw()
|
|
{
|
|
if (!impl_->attr.auto_draw)
|
|
return false;
|
|
|
|
impl_->draw(false);
|
|
return true;
|
|
}
|
|
|
|
auto trigger::tree() -> tree_cont_type &
|
|
{
|
|
return impl_->attr.tree_cont;
|
|
}
|
|
|
|
auto trigger::tree() const -> tree_cont_type const &
|
|
{
|
|
return impl_->attr.tree_cont;
|
|
}
|
|
|
|
void trigger::renderer(::nana::pat::cloneable<renderer_interface>&& r)
|
|
{
|
|
impl_->data.renderer = std::move(r);
|
|
}
|
|
|
|
const ::nana::pat::cloneable<renderer_interface>& trigger::renderer() const
|
|
{
|
|
return impl_->data.renderer;
|
|
}
|
|
|
|
void trigger::placer(::nana::pat::cloneable<compset_placer_interface>&& r)
|
|
{
|
|
impl_->data.comp_placer = std::move(r);
|
|
}
|
|
|
|
const ::nana::pat::cloneable<compset_placer_interface>& trigger::placer() const
|
|
{
|
|
return impl_->data.comp_placer;
|
|
}
|
|
|
|
nana::any & trigger::value(node_type* node) const
|
|
{
|
|
if(impl_->attr.tree_cont.verify(node) == false)
|
|
throw std::invalid_argument("Nana.GUI.treebox.value() invalid node");
|
|
|
|
return node->value.second.value;
|
|
}
|
|
|
|
trigger::node_type* trigger::insert(node_type* node, const std::string& key, std::string&& title)
|
|
{
|
|
node_type * p = impl_->attr.tree_cont.node(node, key);
|
|
if(p)
|
|
p->value.second.text.swap(title);
|
|
else
|
|
p = impl_->attr.tree_cont.insert(node, key, treebox_node_type(std::move(title)));
|
|
|
|
if(p && impl_->attr.auto_draw && impl_->draw(true))
|
|
API::update_window(impl_->data.widget_ptr->handle());
|
|
return p;
|
|
}
|
|
|
|
trigger::node_type* trigger::insert(const std::string& path, std::string&& title)
|
|
{
|
|
auto x = impl_->attr.tree_cont.insert(path, treebox_node_type(std::move(title)));
|
|
if(x && impl_->attr.auto_draw && impl_->draw(true))
|
|
API::update_window(impl_->data.widget_ptr->handle());
|
|
return x;
|
|
}
|
|
|
|
bool trigger::verify(const void* node) const
|
|
{
|
|
return impl_->attr.tree_cont.verify(reinterpret_cast<const node_type*>(node));
|
|
}
|
|
|
|
bool trigger::verify_kinship(node_type* parent, node_type* child) const
|
|
{
|
|
if(false == (parent && child)) return false;
|
|
|
|
while(child && (child != parent))
|
|
child = child->owner;
|
|
|
|
return (nullptr != child);
|
|
}
|
|
|
|
void trigger::remove(node_type* node)
|
|
{
|
|
if(!verify(node))
|
|
return;
|
|
|
|
auto & shape = impl_->shape;
|
|
auto & node_state = impl_->node_state;
|
|
|
|
if(verify_kinship(node, node_state.event_node))
|
|
node_state.event_node = nullptr;
|
|
|
|
if(verify_kinship(node, shape.first))
|
|
shape.first = nullptr;
|
|
|
|
if(verify_kinship(node, node_state.selected))
|
|
node_state.selected = nullptr;
|
|
|
|
impl_->attr.tree_cont.remove(node);
|
|
}
|
|
|
|
trigger::node_type* trigger::selected() const
|
|
{
|
|
return impl_->node_state.selected;
|
|
}
|
|
|
|
void trigger::selected(node_type* node)
|
|
{
|
|
if(impl_->attr.tree_cont.verify(node) && impl_->set_selected(node))
|
|
{
|
|
impl_->draw(true);
|
|
API::update_window(impl_->data.widget_ptr->handle());
|
|
}
|
|
}
|
|
|
|
void trigger::set_expand(node_type* node, bool exp)
|
|
{
|
|
if((impl_->data.widget_ptr) && impl_->set_expanded(node, exp))
|
|
{
|
|
impl_->draw(true);
|
|
API::update_window(impl_->data.widget_ptr->handle());
|
|
}
|
|
}
|
|
|
|
void trigger::set_expand(const std::string& path, bool exp)
|
|
{
|
|
if(impl_->set_expanded(impl_->attr.tree_cont.find(path), exp))
|
|
{
|
|
impl_->draw(true);
|
|
API::update_window(impl_->data.widget_ptr->handle());
|
|
}
|
|
}
|
|
|
|
node_image_tag& trigger::icon(const std::string& id) const
|
|
{
|
|
auto i = impl_->shape.image_table.find(id);
|
|
if(i != impl_->shape.image_table.end())
|
|
return i->second;
|
|
|
|
impl_->data.comp_placer->enable(component::icon, true);
|
|
|
|
return impl_->shape.image_table[id];
|
|
}
|
|
|
|
void trigger::icon_erase(const std::string& id)
|
|
{
|
|
impl_->shape.image_table.erase(id);
|
|
if(0 == impl_->shape.image_table.size())
|
|
impl_->data.comp_placer->enable(component::icon, false);
|
|
}
|
|
|
|
void trigger::node_icon(node_type* node, const std::string& id)
|
|
{
|
|
if(tree().verify(node))
|
|
{
|
|
node->value.second.img_idstr = id;
|
|
auto i = impl_->shape.image_table.find(id);
|
|
if((i != impl_->shape.image_table.end()) && impl_->draw(true))
|
|
API::update_window(impl_->data.widget_ptr->handle());
|
|
}
|
|
}
|
|
|
|
unsigned trigger::node_width(const node_type *node) const
|
|
{
|
|
node_attribute node_attr;
|
|
impl_->assign_node_attr(node_attr, node);
|
|
return impl_->data.comp_placer->item_width(*impl_->data.graph, node_attr);
|
|
}
|
|
|
|
bool trigger::rename(node_type *node, const char* key, const char* name)
|
|
{
|
|
if((key || name ) && tree().verify(node))
|
|
{
|
|
if(key && (key != node->value.first))
|
|
{
|
|
node_type * element = node->owner->child;
|
|
for(; element; element = element->next)
|
|
{
|
|
if((element->value.first == key) && (node != element))
|
|
return false;
|
|
}
|
|
node->value.first = key;
|
|
}
|
|
|
|
if(name)
|
|
node->value.second.text = name;
|
|
|
|
return (key || name);
|
|
}
|
|
return false;
|
|
|
|
}
|
|
|
|
void trigger::attached(widget_reference widget, graph_reference graph)
|
|
{
|
|
impl_->data.graph = &graph;
|
|
|
|
widget.bgcolor(colors::white);
|
|
impl_->data.widget_ptr = static_cast< ::nana::treebox*>(&widget);
|
|
widget.caption("nana treebox");
|
|
}
|
|
|
|
void trigger::refresh(graph_reference)
|
|
{
|
|
impl_->draw(false);
|
|
}
|
|
|
|
void trigger::dbl_click(graph_reference, const arg_mouse& arg)
|
|
{
|
|
auto & shape = impl_->shape;
|
|
|
|
int xpos = impl_->attr.tree_cont.indent_size(shape.first) * shape.indent_pixels - shape.offset_x;
|
|
item_locator nl(impl_, xpos, arg.pos.x, arg.pos.y);
|
|
impl_->attr.tree_cont.for_each<item_locator&>(shape.first, nl);
|
|
|
|
if(nl.node() && (nl.what() == component::text || nl.what() == component::icon))
|
|
{
|
|
impl_->node_state.event_node = nl.node();
|
|
impl_->set_expanded(impl_->node_state.event_node, !impl_->node_state.event_node->value.second.expanded);
|
|
impl_->draw(true);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
}
|
|
|
|
void trigger::mouse_down(graph_reference, const arg_mouse& arg)
|
|
{
|
|
auto & shape = impl_->shape;
|
|
|
|
int xpos = impl_->attr.tree_cont.indent_size(shape.first) * shape.indent_pixels - shape.offset_x;
|
|
item_locator nl(impl_, xpos, arg.pos.x, arg.pos.y);
|
|
impl_->attr.tree_cont.for_each<item_locator&>(shape.first, nl);
|
|
|
|
bool has_redraw = false;
|
|
|
|
auto & node_state = impl_->node_state;
|
|
node_state.event_node = nullptr;
|
|
|
|
if(nl.node())
|
|
{
|
|
node_state.event_node = nl.node();
|
|
if(nl.what() != component::end)
|
|
{
|
|
if(nl.what() == component::expender)
|
|
{
|
|
if(impl_->set_expanded(node_state.event_node, !node_state.event_node->value.second.expanded))
|
|
impl_->make_adjust(node_state.event_node, 0);
|
|
|
|
has_redraw = true;
|
|
}
|
|
else if(nl.item_body())
|
|
{
|
|
if(node_state.selected != node_state.event_node)
|
|
{
|
|
impl_->set_selected(node_state.event_node);
|
|
has_redraw = true;
|
|
}
|
|
}
|
|
}
|
|
else if(node_state.selected != node_state.event_node)
|
|
{
|
|
impl_->set_selected(node_state.event_node);
|
|
has_redraw = true;
|
|
}
|
|
}
|
|
|
|
if(has_redraw)
|
|
{
|
|
impl_->draw(true);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
}
|
|
|
|
void trigger::mouse_up(graph_reference, const arg_mouse& arg)
|
|
{
|
|
auto & shape = impl_->shape;
|
|
|
|
int xpos = impl_->attr.tree_cont.indent_size(shape.first) * shape.indent_pixels - shape.offset_x;
|
|
item_locator nl(impl_, xpos, arg.pos.x, arg.pos.y);
|
|
impl_->attr.tree_cont.for_each<item_locator&>(shape.first, nl);
|
|
|
|
if(!nl.node())
|
|
return;
|
|
|
|
if((impl_->node_state.selected != nl.node()) && nl.item_body())
|
|
{
|
|
impl_->set_selected(nl.node());
|
|
if(impl_->make_adjust(impl_->node_state.selected, 1))
|
|
impl_->adjust.scroll_timestamp = 1;
|
|
}
|
|
else if (nl.what() == component::crook)
|
|
{
|
|
checkstate cs = checkstate::unchecked;
|
|
if (checkstate::unchecked == nl.node()->value.second.checked)
|
|
cs = checkstate::checked;
|
|
|
|
check(nl.node(), cs);
|
|
}
|
|
else
|
|
return; //Do not refresh
|
|
|
|
impl_->draw(true);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
|
|
void trigger::mouse_move(graph_reference, const arg_mouse& arg)
|
|
{
|
|
if(impl_->track_mouse(arg.pos.x, arg.pos.y))
|
|
{
|
|
impl_->draw(false);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
}
|
|
|
|
void trigger::mouse_wheel(graph_reference, const arg_wheel& arg)
|
|
{
|
|
auto & shape = impl_->shape;
|
|
std::size_t prev = shape.prev_first_value;
|
|
|
|
shape.scroll.make_step(!arg.upwards);
|
|
|
|
impl_->event_scrollbar(arg);
|
|
|
|
if(prev != shape.prev_first_value)
|
|
{
|
|
impl_->track_mouse(arg.pos.x, arg.pos.y);
|
|
|
|
impl_->draw(false);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
}
|
|
|
|
void trigger::mouse_leave(graph_reference, const arg_mouse&)
|
|
{
|
|
if (impl_->node_state.pointed && (!impl_->node_state.tooltip))
|
|
{
|
|
item_proxy iprx(impl_->data.trigger_ptr, impl_->node_state.pointed);
|
|
impl_->data.widget_ptr->events().hovered.emit(::nana::arg_treebox{ *impl_->data.widget_ptr, iprx, false }, impl_->data.widget_ptr->handle());
|
|
impl_->node_state.pointed = nullptr;
|
|
impl_->draw(false);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
}
|
|
|
|
void trigger::resized(graph_reference, const arg_resized&)
|
|
{
|
|
impl_->draw(false);
|
|
API::dev::lazy_refresh();
|
|
impl_->show_scroll();
|
|
if(!impl_->shape.scroll.empty())
|
|
{
|
|
nana::size s = impl_->data.graph->size();
|
|
impl_->shape.scroll.move(rectangle{ static_cast<int>(s.width) - 16, 0, 16, s.height });
|
|
}
|
|
}
|
|
|
|
void trigger::key_press(graph_reference, const arg_keyboard& arg)
|
|
{
|
|
bool redraw = false;
|
|
bool scroll = false; //Adjust the scrollbar
|
|
|
|
auto & node_state = impl_->node_state;
|
|
|
|
switch(arg.key)
|
|
{
|
|
case keyboard::os_arrow_up:
|
|
if(node_state.selected && node_state.selected != impl_->attr.tree_cont.get_root()->child)
|
|
{
|
|
node_type * prev = node_state.selected->owner;
|
|
if(prev->child != node_state.selected)
|
|
{
|
|
prev = prev->child;
|
|
while(prev->next != node_state.selected)
|
|
prev = prev->next;
|
|
|
|
while(prev->child && prev->value.second.expanded)
|
|
{
|
|
prev = prev->child;
|
|
while(prev->next)
|
|
prev = prev->next;
|
|
}
|
|
}
|
|
|
|
impl_->set_selected(prev);
|
|
|
|
if(impl_->make_adjust(prev, 4))
|
|
scroll = true;
|
|
|
|
redraw = true;
|
|
}
|
|
break;
|
|
case keyboard::os_arrow_down:
|
|
if(node_state.selected)
|
|
{
|
|
node_type * node = node_state.selected;
|
|
if(node->value.second.expanded)
|
|
{
|
|
node = node->child;
|
|
}
|
|
else if(node->next)
|
|
{
|
|
node = node->next;
|
|
}
|
|
else
|
|
{
|
|
node = node->owner;
|
|
while(node && (nullptr == node->next))
|
|
node = node->owner;
|
|
|
|
if(node)
|
|
node = node->next;
|
|
}
|
|
|
|
if(node)
|
|
{
|
|
impl_->set_selected(node);
|
|
redraw = true;
|
|
scroll = impl_->make_adjust(node_state.selected, 4);
|
|
}
|
|
}
|
|
break;
|
|
case keyboard::os_arrow_left:
|
|
if(node_state.selected)
|
|
{
|
|
if(node_state.selected->value.second.expanded == false)
|
|
{
|
|
if(node_state.selected->owner != impl_->attr.tree_cont.get_root())
|
|
{
|
|
impl_->set_selected(node_state.selected->owner);
|
|
impl_->make_adjust(node_state.selected, 4);
|
|
}
|
|
}
|
|
else
|
|
impl_->set_expanded(node_state.selected, false);
|
|
|
|
redraw = true;
|
|
scroll = true;
|
|
}
|
|
break;
|
|
case keyboard::os_arrow_right:
|
|
if(node_state.selected)
|
|
{
|
|
if(node_state.selected->value.second.expanded == false)
|
|
{
|
|
impl_->set_expanded(node_state.selected, true);
|
|
redraw = true;
|
|
scroll = true;
|
|
}
|
|
else if(node_state.selected->child)
|
|
{
|
|
impl_->set_selected(node_state.selected->child);
|
|
impl_->make_adjust(node_state.selected, 4);
|
|
redraw = true;
|
|
scroll = true;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
if(redraw)
|
|
{
|
|
impl_->draw(scroll);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
}
|
|
|
|
void trigger::key_char(graph_reference, const arg_keyboard& arg)
|
|
{
|
|
int do_refresh = 0;
|
|
if ('*' == arg.key)
|
|
{
|
|
item_proxy{this, impl_->node_state.selected}
|
|
.visit_recursively([this](item_proxy && i)
|
|
{
|
|
/// Same semantics as i.expand(true), but more efficient.
|
|
impl_->set_expanded(i._m_node(), true);
|
|
return true;
|
|
});
|
|
do_refresh = 1; //reacts scrollbar
|
|
}
|
|
|
|
auto node = const_cast<node_type*>(impl_->find_track_node(arg.key));
|
|
if(node && (node != impl_->node_state.selected))
|
|
{
|
|
impl_->set_selected(node);
|
|
impl_->make_adjust(node, 4);
|
|
do_refresh |= 2; //No need to reacts scrollbar
|
|
}
|
|
|
|
if (do_refresh)
|
|
{
|
|
impl_->draw(do_refresh & 1);
|
|
API::dev::lazy_refresh();
|
|
}
|
|
}
|
|
//end class trigger
|
|
}//end namespace treebox
|
|
}//end namespace drawerbase
|
|
|
|
//class treebox
|
|
treebox::treebox(){}
|
|
|
|
treebox::treebox(window wd, bool visible)
|
|
{
|
|
create(wd, rectangle(), visible);
|
|
}
|
|
|
|
treebox::treebox(window wd, const rectangle& r, bool visible)
|
|
{
|
|
create(wd, r, visible);
|
|
}
|
|
|
|
const nana::pat::cloneable<treebox::renderer_interface> & treebox::renderer() const
|
|
{
|
|
return get_drawer_trigger().impl()->data.renderer;
|
|
}
|
|
|
|
const nana::pat::cloneable<treebox::compset_placer_interface> & treebox::placer() const
|
|
{
|
|
return get_drawer_trigger().impl()->data.comp_placer;
|
|
}
|
|
|
|
void treebox::auto_draw(bool ad)
|
|
{
|
|
get_drawer_trigger().auto_draw(ad);
|
|
}
|
|
|
|
treebox & treebox::checkable(bool enable)
|
|
{
|
|
get_drawer_trigger().checkable(enable);
|
|
return *this;
|
|
}
|
|
|
|
bool treebox::checkable() const
|
|
{
|
|
return get_drawer_trigger().checkable();
|
|
}
|
|
|
|
treebox::node_image_type& treebox::icon(const std::string& id) const
|
|
{
|
|
return get_drawer_trigger().icon(id);
|
|
}
|
|
|
|
void treebox::icon_erase(const std::string& id)
|
|
{
|
|
get_drawer_trigger().icon_erase(id);
|
|
}
|
|
|
|
auto treebox::find(const std::string& keypath) -> item_proxy
|
|
{
|
|
auto * trg = &get_drawer_trigger();
|
|
return item_proxy(trg, trg->tree().find(keypath));
|
|
}
|
|
|
|
treebox::item_proxy treebox::insert(const std::string& path_key, std::string title)
|
|
{
|
|
return item_proxy(&get_drawer_trigger(), get_drawer_trigger().insert(path_key, std::move(title)));
|
|
}
|
|
|
|
treebox::item_proxy treebox::insert(item_proxy i, const std::string& key, std::string title)
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{
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return item_proxy(&get_drawer_trigger(), get_drawer_trigger().insert(i._m_node(), key, std::move(title)));
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}
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treebox::item_proxy treebox::erase(item_proxy i)
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{
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auto next = i.sibling();
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get_drawer_trigger().remove(i._m_node());
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return next;
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}
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void treebox::erase(const std::string& keypath)
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{
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auto i = find(keypath);
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if(!i.empty())
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get_drawer_trigger().remove(i._m_node());
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}
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std::string treebox::make_key_path(item_proxy i, const std::string& splitter) const
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{
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auto & tree = get_drawer_trigger().tree();
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auto pnode = i._m_node();
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if(tree.verify(pnode))
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{
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auto root = tree.get_root();
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std::string path;
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std::string temp;
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while(pnode->owner != root)
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{
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temp = splitter;
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temp += pnode->value.first;
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path.insert(0, temp);
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pnode = pnode->owner;
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}
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|
|
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path.insert(0, pnode->value.first);
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return std::move(path);
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}
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return{};
|
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}
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treebox::item_proxy treebox::selected() const
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{
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return item_proxy(const_cast<drawer_trigger_t*>(&get_drawer_trigger()), get_drawer_trigger().selected());
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}
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//end class treebox
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}//end namespace nana
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