EasyAndFastMod/Controls/ColorButton.mqh

<EFBFBD><EFBFBD>//+------------------------------------------------------------------+
//|                                                  ColorButton.mqh |
//|                        Copyright 2015, MetaQuotes Software Corp. |
//|                                              http://www.mql5.com |
//+------------------------------------------------------------------+
#include "..\Element.mqh"
#include "Button.mqh"
//+------------------------------------------------------------------+
//| ;0AA 4;O A>740=8O :=>?:8 2K7>20 F25B>2>9 ?0;8B@K                |
//+------------------------------------------------------------------+
class CColorButton : public CElement
  {
private:
   //--- -:75<?;O@K 4;O A>740=8O M;5<5=B0
   CButton           m_button;
   //--- K1@0==K9 F25B
   color             m_current_color;
   //--- <O @5AC@A0 4;O 87>1@065=8O <0@:5@0 F25B0 =0 :=>?:5
   string            m_resource_name;
   //---
public:
                     CColorButton(void);
                    ~CColorButton(void);
   //--- 5B>4K 4;O A>740=8O M;5<5=B0
   bool              CreateColorButton(const string text,const int x_gap,const int y_gap);
   //---
private:
   void              InitializeProperties(const string text,const int x_gap,const int y_gap);
   bool              CreateCanvas(void);
   bool              CreateButton(void);
   //---
public:
   //--- >72@0I05B C:070B5;8 =0 :=>?:C
   CButton          *GetButtonPointer(void)                 { return(::GetPointer(m_button)); }
   color             CurrentColor(void)               const { return(m_current_color);        }
   void              CurrentColor(const color clr);
   //---
public:
   //--- 1@01>BG8: A>1KB89 3@0D8:0
   virtual void      OnEvent(const int id,const long &lparam,const double &dparam,const string &sparam);
   //---  8AC5B M;5<5=B
   virtual void      Draw(void);
   //---
private:
   //---  8AC5B :0@B8=:C
   virtual void      DrawImage(void);
  };
//+------------------------------------------------------------------+
//| Constructor                                                      |
//+------------------------------------------------------------------+
CColorButton::CColorButton(void) : m_current_color(C'35,205,255'),
                                   m_resource_name("color_marker.bmp")
  {
//--- !>E@0=8< 8<O :;0AA0 M;5<5=B0 2 107>2>< :;0AA5
   CElementBase::ClassName(CLASS_NAME);
  }
//+------------------------------------------------------------------+
//| Destructor                                                       |
//+------------------------------------------------------------------+
CColorButton::~CColorButton(void)
  {
  }
//+------------------------------------------------------------------+
//| 1@01>BG8: A>1KB89                                               |
//+------------------------------------------------------------------+
void CColorButton::OnEvent(const int id,const long &lparam,const double &dparam,const string &sparam)
  {
//--- 1@01>B:0 A>1KB8O ?5@5<5I5=8O :C@A>@0
   if(id==CHARTEVENT_MOUSE_MOVE)
     {
      //--- 5@5@8A>20BL M;5<5=B
      if(CheckCrossingBorder())
         Update(true);
      //---
      return;
     }
  }
//+------------------------------------------------------------------+
//| !>740QB >1J5:B =>?:0                                            |
//+------------------------------------------------------------------+
bool CColorButton::CreateColorButton(const string text,const int x_gap,const int y_gap)
  {
//--- K9B8, 5A;8 =5B C:070B5;O =0 3;02=K9 M;5<5=B
   if(!CElement::CheckMainPointer())
      return(false);
//--- =8F80;870F8O A2>9AB2
   InitializeProperties(text,x_gap,y_gap);
//--- !>740=85 M;5<5=B0
   if(!CreateCanvas())
      return(false);
   if(!CreateButton())
      return(false);
//---
   return(true);
  }
//+------------------------------------------------------------------+
//| =8F80;870F8O A2>9AB2                                            |
//+------------------------------------------------------------------+
void CColorButton::InitializeProperties(const string text,const int x_gap,const int y_gap)
  {
   m_x          =CElement::CalculateX(x_gap);
   m_y          =CElement::CalculateY(y_gap);
   m_x_size     =(m_x_size<1)? 100 : m_x_size;
   m_y_size     =(m_y_size<1)? 20 : m_y_size;
   m_label_text =text;
   m_back_color =(m_back_color!=clrNONE)? m_back_color : m_main.BackColor();
//--- BABC?K 8 F25B B5:AB>2>9 <5B:8
   m_label_x_gap         =(m_label_x_gap!=WRONG_VALUE)? m_label_x_gap : 0;
   m_label_y_gap         =(m_label_y_gap!=WRONG_VALUE)? m_label_y_gap : 4;
   m_label_color         =(m_label_color!=clrNONE)? m_label_color : clrBlack;
   m_label_color_hover   =(m_label_color_hover!=clrNONE)? m_label_color_hover : C'0,120,215';
   m_label_color_locked  =(m_label_color_locked!=clrNONE)? m_label_color_locked : clrSilver;
//--- BABC?K >B :@09=59 B>G:8
   CElementBase::XGap(x_gap);
   CElementBase::YGap(y_gap);
  }
//+------------------------------------------------------------------+
//| !>740QB >1J5:B 4;O @8A>20=8O                                     |
//+------------------------------------------------------------------+
bool CColorButton::CreateCanvas(void)
  {
//--- $>@<8@>20=85 8<5=8 >1J5:B0
   string name=CElementBase::ElementName("color_button");
//--- !>740=85 >1J5:B0
   if(!CElement::CreateCanvas(name,m_x,m_y,m_x_size,m_y_size))
      return(false);
//---
   return(true);
  }
//+------------------------------------------------------------------+
//| !>740QB :=>?:C                                                   |
//+------------------------------------------------------------------+
bool CColorButton::CreateButton(void)
  {
//--- !>E@0=8< C:070B5;L =0 3;02=K9 M;5<5=B
   m_button.MainPointer(this);
//---  07<5@K
   int x_size=(m_button.XSize()<1)? 80 : m_button.XSize();
//--- >>@48=0BK
   int x =(m_button.XGap()<1)? x_size : m_button.XGap();
   int y =0;
//--- BABC?K 4;O :0@B8=:8
   int icon_x_gap =(m_button.IconXGap()<1)? 4 : m_button.IconXGap();
   int icon_y_gap =(m_button.IconYGap()<1)? 3 : m_button.IconYGap();
//--- BABC?K 4;O B5:AB0
   int label_x_gap =(m_button.LabelXGap()<1)? 24 : m_button.LabelXGap();
   int label_y_gap =(m_button.LabelYGap()<1)? 4 : m_button.LabelYGap();
//--- !2>9AB20
   m_button.XSize(x_size);
   m_button.YSize(m_y_size);
   m_button.IconXGap(icon_x_gap);
   m_button.IconYGap(icon_y_gap);
   m_button.LabelXGap(label_x_gap);
   m_button.LabelYGap(label_y_gap);
//--- #AB0=>2:0 F25B0 4;O :=>?:8
   CurrentColor(m_current_color);
   m_button.IconFile(m_resource_name);
   m_button.IconFileLocked(m_resource_name);
//--- !>74048< M;5<5=B C?@02;5=8O
   if(!m_button.CreateButton(::ColorToString(m_current_color),x,y))
      return(false);
//--- >1028BL M;5<5=B 2 <0AA82
   CElement::AddToArray(m_button);
   return(true);
  }
//+------------------------------------------------------------------+
//| 7<5=O5B B5:CI89 F25B ?0@0<5B@0                                  |
//+------------------------------------------------------------------+
void CColorButton::CurrentColor(const color clr)
  {
//--- !>E@0=8< F25B
   m_current_color=clr;
//---  07<5@ 87>1@065=8O 8 <0AA820 (image_size x image_size)
   uint image_size=14;
   uint image_data[196];
//--- =8F80;870F8O <0AA820 F25B><
   for(uint y=0,i=0; y<image_size; y++)
     {
      for(uint x=0; x<image_size; x++,i++)
        {
         if(y<1 || y==image_size-1 || x<1 || x==image_size-1)
            image_data[i]=::ColorToARGB(C'160,160,160');
         else
            image_data[i]=::ColorToARGB(m_current_color);
        }
     }
//--- !>740=85 @5AC@A0 2 EX5-?@8;>65=88
   ::ResetLastError();
   if(!::ResourceCreate(m_resource_name,image_data,image_size,image_size,0,0,0,COLOR_FORMAT_ARGB_NORMALIZE))
      ::Print(__FUNCTION__," > error: ",::GetLastError());
//---
   if(m_button.IconXGap()<1)
     {
      m_button.IconXGap(4);
      m_button.IconYGap(3);
     }
//--- #AB0=>2:0 ?CB8 : 87>1@065=8N 2 A2>9AB20E :=>?:8
   m_button.IconFile(m_resource_name);
   m_button.IconFileLocked(m_resource_name);
//--- #AB0=>2:0 B5:AB0 4;O :=>?:8
   m_button.LabelText(::ColorToString(m_current_color));
  }
//+------------------------------------------------------------------+
//|  8AC5B M;5<5=B                                                   |
//+------------------------------------------------------------------+
void CColorButton::Draw(void)
  {
//--- 0@8A>20BL D>=
   CElement::DrawBackground();
//--- 0@8A>20BL :0@B8=:C
   CColorButton::DrawImage();
//--- 0@8A>20BL B5:AB
   CElement::DrawText();
  }
//+------------------------------------------------------------------+
//|  8AC5B :0@B8=:C                                                  |
//+------------------------------------------------------------------+
void CColorButton::DrawImage(void)
  {
//--- K9B8, 5A;8 (1) G5:-1>:A =5 =C65= 8;8 (2) :0@B8=:0 =5 >?@545;5=0
   if(CElement::IconFile()=="")
      return;
//--- ?@545;8< 8=45:A
   uint image_index=(m_is_pressed)? 2 : 0;
//--- A;8 M;5<5=B =5 701;>:8@>20=
   if(!CElementBase::IsLocked())
     {
      if(CElementBase::MouseFocus())
         image_index=(m_is_pressed)? 2 : 0;
     }
   else
      image_index=(m_is_pressed)? 3 : 1;
//---  8AC5< :0@B8=:C
   CElement::DrawImage();
  }
//+------------------------------------------------------------------+