date_time_picker.h

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#pragma once
#include <chrono>
#include "control.h"
#include "date_time_picker_format.h"
 
namespace xtd {
  namespace forms {
    class forms_export_ date_time_picker : public control {
    public:
      date_time_picker();
 
      virtual date_time_picker_format format() const {return format_;}
      virtual control& format(date_time_picker_format format);
      
      virtual std::chrono::system_clock::time_point max_date() const {return max_date_;}
      virtual control& max_date(std::chrono::system_clock::time_point max_date);
      virtual control& max_date(time_t max_date) {return this->max_date(std::chrono::system_clock::from_time_t(max_date));}
      virtual control& max_date(const std::tm& max_date) {
        std::tm internal_max_date = max_date;
        return this->max_date(mktime(&internal_max_date));
      }
      virtual control& max_date(int32_t year, int32_t month, int32_t day) {
        std::tm internal_max_date = {};
        internal_max_date.tm_year = year - 1900;
        internal_max_date.tm_mon = month - 1;
        internal_max_date.tm_mday = day;
        return max_date(mktime(&internal_max_date));
      }
      virtual control& max_date(int32_t year, int32_t month, int32_t day, int32_t hour, int32_t minute, int32_t second) {
        std::tm internal_max_date = {};
        internal_max_date.tm_year = year - 1900;
        internal_max_date.tm_mon = month - 1;
        internal_max_date.tm_mday = day;
        internal_max_date.tm_hour = hour;
        internal_max_date.tm_min = minute;
        internal_max_date.tm_sec = second;
        return max_date(mktime(&internal_max_date));
      }
 
      virtual std::chrono::system_clock::time_point min_date() const {return max_date_;}
      virtual control& min_date(std::chrono::system_clock::time_point min_date);
      virtual control& min_date(time_t min_date) {return this->min_date(std::chrono::system_clock::from_time_t(min_date));}
      virtual control& min_date(const std::tm& min_date) {
        std::tm internal_min_date = min_date;
        return this->min_date(mktime(&internal_min_date));
      }
      virtual control& min_date(int32_t year, int32_t month, int32_t day) {
        std::tm internal_min_date = {};
        internal_min_date.tm_year = year - 1900;
        internal_min_date.tm_mon = month - 1;
        internal_min_date.tm_mday = day;
        return min_date(mktime(&internal_min_date));
      }
      virtual control& min_date(int32_t year, int32_t month, int32_t day, int32_t hour, int32_t minute, int32_t second) {
        std::tm internal_min_date = {};
        internal_min_date.tm_year = year - 1900;
        internal_min_date.tm_mon = month - 1;
        internal_min_date.tm_mday = day;
        internal_min_date.tm_hour = hour;
        internal_min_date.tm_min = minute;
        internal_min_date.tm_sec = second;
        return min_date(mktime(&internal_min_date));
      }
 
      virtual std::chrono::system_clock::time_point value() const {return value_;}
      virtual control& value(std::chrono::system_clock::time_point value);
      virtual control& value(time_t value) {return this->value(std::chrono::system_clock::from_time_t(value));}
      virtual control& value(const std::tm& value) {
        std::tm internal_value = value;
        return this->value(mktime(&internal_value));
      }
      virtual control& value(int32_t year, int32_t month, int32_t day) {
        std::tm internal_value = {};
        internal_value.tm_year = year - 1900;
        internal_value.tm_mon = month - 1;
        internal_value.tm_mday = day;
        return value(mktime(&internal_value));
      }
      virtual control& value(int32_t year, int32_t month, int32_t day, int32_t hour, int32_t minute, int32_t second) {
        std::tm internal_value = {};
        internal_value.tm_year = year - 1900;
        internal_value.tm_mon = month - 1;
        internal_value.tm_mday = day;
        internal_value.tm_hour = hour;
        internal_value.tm_min = minute;
        internal_value.tm_sec = second;
        return value(mktime(&internal_value));
      }
 
      drawing::size default_size() const override {return {100, 25};}
      
      event<date_time_picker, event_handler> value_changed;
 
    protected:
      forms::create_params create_params() const override;
      
      drawing::color default_back_color() const override {return xtd::forms::theme_colors::current_theme().window();}
      
      drawing::color default_fore_color() const override {return xtd::forms::theme_colors::current_theme().window_text();}
      
      virtual void on_value_changed(const event_args& e);
      
      void on_handle_created(const event_args& e) override;
      
      void wnd_proc(message& message) override;
      
    private:
      void wm_click(message& message);
      date_time_picker_format format_ = date_time_picker_format::long_format;
      std::chrono::system_clock::time_point max_date_ = std::chrono::system_clock::time_point::max();
      std::chrono::system_clock::time_point min_date_ = std::chrono::system_clock::time_point::min();
      std::chrono::system_clock::time_point value_ = std::chrono::system_clock::now();
    };
  }
}