652 lines
18 KiB
C++
652 lines
18 KiB
C++
/*
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* A date chooser 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/date_chooser.cpp
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*/
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#include <nana/gui/widgets/date_chooser.hpp>
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#include <nana/gui/element.hpp>
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#include <nana/system/platform.hpp>
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#include <sstream>
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namespace nana
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{
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namespace drawerbase
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{
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namespace date_chooser
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{
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//class trigger: public drawer_trigger
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trigger::trigger()
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: widget_(nullptr), chose_(false), page_(page::date), pos_(where::none)
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{
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const nana::string ws[] = {STR("S"), STR("M"), STR("T"), STR("W"), STR("T"), STR("F"), STR("S")};
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for(int i = 0; i < 7; ++i) weekstr_[i] = ws[i];
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nana::date d;
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chdate_.year = chmonth_.year = d.read().year;
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chdate_.month = chmonth_.month = d.read().month;
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chdate_.day = d.read().day;
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color_.selected = { 0x2F, 0x36, 0x99 };
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color_.highlight = { 0x4D, 0x56, 0xC8 };
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color_.normal = colors::black;
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color_.bgcolor = { 0x88, 0xC4, 0xFF };
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}
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bool trigger::chose() const
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{
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return chose_;
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}
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nana::date trigger::read() const
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{
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return nana::date(chdate_.year, chdate_.month, chdate_.day);
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}
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void trigger::week_name(unsigned index, const nana::string& str)
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{
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if(index < 7)
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this->weekstr_[index] = str;
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}
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trigger::where trigger::_m_pos_where(graph_reference graph, const ::nana::point& pos)
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{
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int xend = static_cast<int>(graph.width()) - 1;
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int yend = static_cast<int>(graph.height()) - 1;
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if(0 < pos.y && pos.y < static_cast<int>(topbar_height))
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{
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if(static_cast<int>(border_size) < pos.x && pos.x < xend)
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{
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if(pos.x < border_size + 16)
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return where::left_button;
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else if(xend - border_size - 16 < pos.x)
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return where::right_button;
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return where::topbar;
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}
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}
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else if(topbar_height < pos.y && pos.y < yend)
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{
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trace_pos_ = pos;
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return where::textarea;
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}
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return where::none;
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}
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void trigger::_m_draw_topbar(graph_reference graph)
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{
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::nana::color arrow_bgcolor;
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::nana::rectangle arrow_r{ static_cast<int>(border_size), (topbar_height - 16) / 2 + 1, 16, 16 };
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facade<element::arrow> arrow("solid_triangle");
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arrow.direction(::nana::direction::west);
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arrow.draw(graph, arrow_bgcolor, (pos_ == where::left_button ? color_.highlight : color_.normal), arrow_r, element_state::normal);
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arrow_r.x = static_cast<int>(graph.width()) - static_cast<int>(border_size + 17);
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arrow.direction(::nana::direction::east);
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arrow.draw(graph, arrow_bgcolor, (pos_ == where::right_button ? color_.highlight : color_.normal), arrow_r, element_state::normal);
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const char * monthstr[] = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" };
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if(graph.width() > 32 + border_size * 2)
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{
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nana::string str;
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if(page_ == page::date)
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{
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str = ::nana::internationalization()(monthstr[chmonth_.month - 1]);
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str += STR(" ");
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}
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str += std::to_wstring(chmonth_.year);
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nana::size txt_s = graph.text_extent_size(str);
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int top = (topbar_height - static_cast<int>(txt_s.height)) / 2 + 1;
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int xpos = static_cast<int>(graph.width() - txt_s.width) / 2;
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if(xpos < border_size + 16) xpos = 16 + border_size + 1;
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graph.string({ xpos, top }, str, (pos_ == where::topbar ? color_.highlight : color_.normal));
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}
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}
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void trigger::_m_make_drawing_basis(drawing_basis& dbasis, graph_reference graph, const nana::point& refpos)
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{
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dbasis.refpos = refpos;
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const unsigned width = graph.width();
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const unsigned height = graph.height();
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if(page::date == page_)
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{
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dbasis.line_s = height / 7.0;
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dbasis.row_s = width / 7.0;
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}
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else if(page::month == page_)
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{
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dbasis.line_s = height / 3.0;
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dbasis.row_s = width / 4.0;
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}
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dbasis_ = dbasis;
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}
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void trigger::_m_draw_pos(drawing_basis & dbasis, graph_reference graph, int x, int y, const nana::string& str, bool primary, bool sel)
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{
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nana::rectangle r(static_cast<int>(x * dbasis.row_s), static_cast<int>(y * dbasis.line_s),
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static_cast<int>(dbasis.row_s), static_cast<int>(dbasis.line_s));
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auto color = color_.normal;
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auto tpos = trace_pos_ - dbasis.refpos;
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if((pos_ == where::textarea)
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&& (r.x <= tpos.x)
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&& (tpos.x < r.x + static_cast<int>(r.width))
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&& (r.y <= tpos.y)
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&& (tpos.y < r.y + static_cast<int>(r.height)))
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{
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if((page_ != page::date) || y)
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{
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color = color_.highlight;
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graph.rectangle(r, true, color_.bgcolor);
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}
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}
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if(sel)
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{
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color = color_.highlight;
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graph.rectangle(r, true, color_.bgcolor);
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graph.rectangle(r, false, color_.selected);
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}
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if(false == primary)
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color = { 0xB0, 0xB0, 0xB0 };
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nana::size txt_s = graph.text_extent_size(str);
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graph.string({ r.x + static_cast<int>(r.width - txt_s.width) / 2, r.y + static_cast<int>(r.height - txt_s.height) / 2 }, str, color);
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}
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void trigger::_m_draw_pos(drawing_basis & dbasis, graph_reference graph, int x, int y, int number, bool primary, bool sel)
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{
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_m_draw_pos(dbasis, graph, x, y, std::to_wstring(number), primary, sel);
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}
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void trigger::_m_draw_ex_days(drawing_basis & dbasis, graph_reference graph, int begx, int begy, bool before)
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{
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int x = nana::date::day_of_week(chmonth_.year, chmonth_.month, 1);
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int y = (x ? 1 : 2);
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if(before)
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{
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int year = chmonth_.year;
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int month = chmonth_.month - 1;
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if(month == 0)
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{
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--year;
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month = 12;
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}
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bool same = (chdate_.year == year && chdate_.month == month);
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int days = nana::date::month_days(year, month);
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int size = (x ? x : 7);
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int beg = days - size + 1;
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for(int i = 0; i < size; ++i)
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{
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this->_m_draw_pos(dbasis, graph, i, 1, beg + i, false, same && (chdate_.day == beg + i));
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}
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}
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else
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{
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int year = chmonth_.year;
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int month = chmonth_.month + 1;
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if(month == 13)
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{
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++year;
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month = 1;
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}
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bool same = (chdate_.year == year && chdate_.month == month);
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int day = 1;
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x = begx;
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for(y = begy; y < 7; ++y)
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{
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for(; x < 7; ++x)
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{
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_m_draw_pos(dbasis, graph, x, y, day, false, same && (chdate_.day == day));
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++day;
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}
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x = 0;
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}
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}
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}
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void trigger::_m_draw_days(const nana::point& refpos, graph_reference graph)
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{
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drawing_basis dbasis;
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_m_make_drawing_basis(dbasis, graph, refpos);
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for(int i = 0; i < 7; ++i)
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_m_draw_pos(dbasis, graph, i, 0, weekstr_[i], true, false);
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int day = 1;
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int x = nana::date::day_of_week(chmonth_.year, chmonth_.month, 1);
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int y = (x ? 1 : 2);
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//draw the days that before the first day of this month
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_m_draw_ex_days(dbasis, graph, 0, 0, true);
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//
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int days = static_cast<int>(nana::date::month_days(chmonth_.year, chmonth_.month));
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bool same = (chdate_.year == chmonth_.year && chdate_.month == chmonth_.month);
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while(day <= days)
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{
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for(; x < 7; ++x)
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{
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_m_draw_pos(dbasis, graph, x, y, day, true, (same && chdate_.day == day));
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if(++day > days) break;
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}
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if(day > days) break;
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y++;
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x = 0;
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}
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++x;
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if(x >= 7)
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{
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x = 0;
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++y;
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}
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_m_draw_ex_days(dbasis, graph, x, y, false);
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}
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void trigger::_m_draw_months(const nana::point& refpos, graph_reference graph)
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{
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drawing_basis dbasis;
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_m_make_drawing_basis(dbasis, graph, refpos);
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const char * monthstr[] = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" };
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::nana::internationalization i18n;
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for(int y = 0; y < 3; ++y)
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for(int x = 0; x < 4; ++x)
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{
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int index = x + y * 4;
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_m_draw_pos(dbasis, graph, x, y, i18n(monthstr[index]), true, (chmonth_.year == chdate_.year) && (index + 1 == chdate_.month));
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}
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}
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bool trigger::_m_get_trace(point pos, int & res)
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{
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pos -= dbasis_.refpos;
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int lines = 7, rows = 7; //defaultly for page::date
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if(page_ == page::month)
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{
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lines = 3;
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rows = 4;
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}
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int width = static_cast<int>(dbasis_.row_s * rows);
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int height = static_cast<int>(dbasis_.line_s * lines);
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if(0 <= pos.x && pos.x < width && 0 <= pos.y && pos.y < height)
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{
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pos.x = static_cast<int>(pos.x / dbasis_.row_s);
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pos.y = static_cast<int>(pos.y / dbasis_.line_s);
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int n = pos.y * rows + pos.x + 1;
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if(page_ == page::date)
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{
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if(n < 8) return false; //Here is week title bar
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int dw = nana::date::day_of_week(chmonth_.year, chmonth_.month, 1);
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n -= (dw ? dw + 7 : 14);
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}
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res = n;
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return true;
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}
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return false;
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}
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void trigger::_m_perf_transform(transform_action tfid, graph_reference graph, graph_reference dirtybuf, graph_reference newbuf, const nana::point& refpos)
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{
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const int sleep_time = 15;
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const int count = 20;
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double delta = dirtybuf.width() / double(count);
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double delta_h = dirtybuf.height() / double(count);
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double fade = 1.0 / count;
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if(tfid == transform_action::to_right)
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{
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nana::rectangle dr(0, refpos.y, 0, dirtybuf.height());
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nana::rectangle nr(refpos.x, refpos.y, 0, newbuf.height());
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for(int i = 1; i < count; ++i)
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{
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int off_x = static_cast<int>(delta * i);
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dr.x = refpos.x + off_x;
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dr.width = dirtybuf.width() - off_x;
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graph.bitblt(dr, dirtybuf);
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nr.width = off_x;
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graph.bitblt(nr, newbuf, nana::point(static_cast<int>(dr.width), 0));
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API::update_window(*widget_);
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nana::system::sleep(sleep_time);
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}
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}
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else if(tfid == transform_action::to_left)
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{
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double delta = dirtybuf.width() / double(count);
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nana::rectangle dr(refpos.x, refpos.y, 0, dirtybuf.height());
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nana::rectangle nr(0, refpos.y, 0, newbuf.height());
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for(int i = 1; i < count; ++i)
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{
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int off_x = static_cast<int>(delta * i);
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dr.width = dirtybuf.width() - off_x;
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graph.bitblt(dr, dirtybuf, nana::point(off_x, 0));
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nr.x = refpos.x + static_cast<int>(dr.width);
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nr.width = off_x;
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graph.bitblt(nr, newbuf);
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API::update_window(*widget_);
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nana::system::sleep(sleep_time);
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}
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}
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else if(tfid == transform_action::to_leave)
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{
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nana::paint::graphics dzbuf(newbuf.size());
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nana::paint::graphics nzbuf(newbuf.size());
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nana::rectangle r;
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for(int i = 1; i < count; ++i)
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{
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r.width = static_cast<int>(newbuf.width() - delta * i);
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r.height = static_cast<int>(newbuf.height() - delta_h * i);
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r.x = static_cast<int>(newbuf.width() - r.width) / 2;
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r.y = static_cast<int>(newbuf.height() - r.height) / 2;
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dzbuf.rectangle(true, colors::white);
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dirtybuf.stretch(dzbuf, r);
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r.width = static_cast<int>(newbuf.width() + delta * (count - i));
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r.height = static_cast<int>(newbuf.height() + delta_h * (count - i));
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r.x = static_cast<int>(newbuf.width() - r.width) / 2;
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r.y = static_cast<int>(newbuf.height() - r.height) / 2;
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newbuf.stretch(nzbuf, r);
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nzbuf.blend(::nana::rectangle{ nzbuf.size() }, dzbuf, nana::point(), fade * (count - i));
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graph.bitblt(refpos.x, refpos.y, dzbuf);
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API::update_window(*widget_);
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nana::system::sleep(sleep_time);
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}
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}
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else if(tfid == transform_action::to_enter)
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{
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nana::paint::graphics dzbuf(newbuf.size());
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nana::paint::graphics nzbuf(newbuf.size());
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nana::rectangle r;
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for(int i = 1; i < count; ++i)
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{
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r.width = static_cast<int>(newbuf.width() + delta * i);
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r.height = static_cast<int>(newbuf.height() + delta_h * i);
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r.x = static_cast<int>(newbuf.width() - r.width) / 2;
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r.y = static_cast<int>(newbuf.height() - r.height) / 2;
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dirtybuf.stretch(dzbuf, r);
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r.width = static_cast<int>(newbuf.width() - delta * (count - i));
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r.height = static_cast<int>(newbuf.height() - delta_h * (count - i));
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r.x = static_cast<int>(newbuf.width() - r.width) / 2;
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r.y = static_cast<int>(newbuf.height() - r.height) / 2;
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nzbuf.rectangle(true, colors::white);
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newbuf.stretch(nzbuf, r);
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nzbuf.blend(::nana::rectangle{ nzbuf.size() }, dzbuf, nana::point(), fade * (count - i));
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graph.bitblt(refpos.x, refpos.y, dzbuf);
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API::update_window(*widget_);
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nana::system::sleep(sleep_time);
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}
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}
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graph.bitblt(nana::rectangle(refpos, newbuf.size()), newbuf);
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}
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void trigger::refresh(graph_reference graph)
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{
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const unsigned width = graph.width() - 2;
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graph.rectangle(false, { 0xb0, 0xb0, 0xb0 });
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graph.rectangle({ 1, 1, width, static_cast<unsigned>(topbar_height) }, true, colors::white);
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_m_draw_topbar(graph);
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if (graph.height() > 2 + topbar_height)
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{
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nana::point refpos(1, static_cast<int>(topbar_height)+1);
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nana::paint::graphics gbuf({ width, graph.height() - 2 - topbar_height });
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gbuf.rectangle(true, { 0xf0, 0xf0, 0xf0 });
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switch (page_)
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{
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case page::date:
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_m_draw_days(refpos, gbuf);
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break;
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case page::month:
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_m_draw_months(refpos, gbuf);
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break;
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default: break;
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}
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graph.bitblt(refpos.x, refpos.y, gbuf);
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}
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}
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void trigger::attached(widget_reference widget, graph_reference)
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{
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widget_ = &widget;
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}
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void trigger::mouse_move(graph_reference graph, const arg_mouse& arg)
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{
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where pos = _m_pos_where(graph, arg.pos);
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if(pos == pos_ && pos_ != where::textarea) return;
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pos_ = pos;
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refresh(graph);
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API::lazy_refresh();
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}
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void trigger::mouse_leave(graph_reference graph, const arg_mouse&)
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{
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if(where::none == pos_) return;
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pos_ = where::none;
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refresh(graph);
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API::lazy_refresh();
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}
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void trigger::mouse_up(graph_reference graph, const arg_mouse& arg)
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{
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bool redraw = true;
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where pos = _m_pos_where(graph, arg.pos);
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transform_action tfid = transform_action::none;
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if(pos == where::topbar)
|
|
{
|
|
switch(page_)
|
|
{
|
|
case page::date:
|
|
page_ = page::month;
|
|
tfid = transform_action::to_leave;
|
|
break;
|
|
default:
|
|
redraw = false;
|
|
}
|
|
}
|
|
else if(pos == where::textarea)
|
|
{
|
|
int ret = 0;
|
|
switch(page_)
|
|
{
|
|
case page::date:
|
|
if(_m_get_trace(arg.pos, ret))
|
|
{
|
|
if(ret < 1)
|
|
{
|
|
if(--chmonth_.month == 0)
|
|
{
|
|
--chmonth_.year;
|
|
chmonth_.month = 12;
|
|
}
|
|
tfid = transform_action::to_right;
|
|
}
|
|
else
|
|
{
|
|
int days = nana::date::month_days(chmonth_.year, chmonth_.month);
|
|
if(ret > days)
|
|
{
|
|
if(++chmonth_.month == 13)
|
|
{
|
|
++chmonth_.year;
|
|
chmonth_.month = 1;
|
|
}
|
|
tfid = transform_action::to_left;
|
|
}
|
|
else //Selecting a day in this month
|
|
{
|
|
chdate_.year = chmonth_.year;
|
|
chdate_.month = chmonth_.month;
|
|
chdate_.day = ret;
|
|
chose_ = true;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case page::month:
|
|
if(_m_get_trace(arg.pos, ret))
|
|
chmonth_.month = ret;
|
|
page_ = page::date;
|
|
tfid = transform_action::to_enter;
|
|
break;
|
|
default:
|
|
redraw = false;
|
|
}
|
|
}
|
|
else if(pos == where::left_button || pos == where::right_button)
|
|
{
|
|
int end_m;
|
|
int beg_m;
|
|
int step;
|
|
if(pos == where::left_button)
|
|
{
|
|
end_m = 1;
|
|
beg_m = 12;
|
|
step = -1;
|
|
tfid = transform_action::to_right;
|
|
}
|
|
else
|
|
{
|
|
end_m = 12;
|
|
beg_m = 1;
|
|
step = 1;
|
|
tfid = transform_action::to_left;
|
|
}
|
|
switch(page_)
|
|
{
|
|
case page::date:
|
|
if(chmonth_.month == end_m)
|
|
{
|
|
chmonth_.month = beg_m;
|
|
chmonth_.year += step;
|
|
}
|
|
else
|
|
chmonth_.month += step;
|
|
break;
|
|
case page::month:
|
|
chmonth_.year += step;
|
|
break;
|
|
default:
|
|
redraw = false;
|
|
}
|
|
}
|
|
|
|
if(redraw)
|
|
{
|
|
if(tfid != transform_action::none)
|
|
{
|
|
nana::point refpos(1, static_cast<int>(topbar_height) + 1);
|
|
nana::rectangle r(0, 0, graph.width() - 2, graph.height() - 2 - topbar_height);
|
|
|
|
nana::paint::graphics dirtybuf({ r.width, r.height });
|
|
dirtybuf.bitblt(r, graph, refpos);
|
|
|
|
refresh(graph);
|
|
|
|
nana::paint::graphics gbuf({ r.width, r.height });
|
|
gbuf.bitblt(r, graph, refpos);
|
|
|
|
_m_perf_transform(tfid, graph, dirtybuf, gbuf, refpos);
|
|
}
|
|
else
|
|
refresh(graph);
|
|
|
|
API::lazy_refresh();
|
|
}
|
|
}
|
|
//end class trigger
|
|
}//end namespace date_chooser
|
|
}//end namespace drawerbase
|
|
|
|
//class date_chooser
|
|
date_chooser::date_chooser()
|
|
{}
|
|
|
|
date_chooser::date_chooser(window wd, bool visible)
|
|
{
|
|
create(wd, rectangle(), visible);
|
|
}
|
|
|
|
date_chooser::date_chooser(window wd, const nana::string& text, bool visible)
|
|
{
|
|
create(wd, rectangle(), visible);
|
|
caption(text);
|
|
}
|
|
|
|
date_chooser::date_chooser(window wd, const nana::char_t* text, bool visible)
|
|
{
|
|
create(wd, rectangle(), visible);
|
|
caption(text);
|
|
}
|
|
|
|
date_chooser::date_chooser(window wd, const rectangle& r, bool visible)
|
|
{
|
|
create(wd, r, visible);
|
|
}
|
|
|
|
bool date_chooser::chose() const
|
|
{
|
|
return get_drawer_trigger().chose();
|
|
}
|
|
|
|
nana::date date_chooser::read() const
|
|
{
|
|
return get_drawer_trigger().read();
|
|
}
|
|
|
|
void date_chooser::weekstr(unsigned index, const nana::string& str)
|
|
{
|
|
get_drawer_trigger().week_name(index, str);
|
|
API::refresh_window(*this);
|
|
}
|
|
//end class date_chooser
|
|
}//end namespace nana
|