up_down_button.h

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#pragma once
#include "button_base.h"
#include "orientation.h"
 
namespace xtd {
  namespace forms {
    class forms_export_ up_down_button : public button_base {
    public:
      up_down_button();
 
      virtual int32_t maximum() {return maximum_;}
      virtual up_down_button& maximum(int32_t value);
      
      virtual int32_t minimum() {return minimum_;}
      virtual up_down_button& minimum(int32_t value);
      
      virtual forms::orientation orientation() const {return orientation_;}
      virtual up_down_button& orientation(forms::orientation orientation);
 
      virtual int32_t value() {return value_;}
      virtual up_down_button& value(int32_t value);
 
      virtual bool wrapped() {return wrapped_;}
      virtual up_down_button& wrapped(bool value);
      
      void set_range(int min_value, int max_value) {
        minimum(min_value);
        maximum(min_value > max_value ? min_value : max_value);
      }
      
      xtd::ustring to_string() const noexcept override {return ustring::format("{}, minimum: {}, maximum: {}, value: {}", ustring::full_class_name(*this), minimum_, maximum_, value_);}
 
      event<up_down_button, event_handler> scroll;
 
      event<up_down_button, event_handler> value_changed;
      
    protected:
      
      drawing::size default_size() const override {return {18, 34};}
 
      forms::create_params create_params() const override;
      
      void on_handle_created(const event_args& e) override;
 
      virtual void on_scroll(const event_args& e);
 
      virtual void on_value_changed(const event_args& e);
      
      void wnd_proc(message& message) override;
 
      bool wrapped_ = false;
      int32_t maximum_ = 100;
      int32_t minimum_ = 0;
      forms::orientation orientation_ = forms::orientation::vertical;
      int32_t value_ = 0;
 
      private:
        void wm_scroll(message& message);
    };
  }
}