//+------------------------------------------------------------------+
//|                                              CustomWatermark.mq4 |
//|                        Copyright 2024, MetaQuotes Software Corp. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property indicator_chart_window

enum DisplayOptions
  {
   CUSTOM_TEXT,
   SYMBOL_NAME,
   TIMEFRAME
  };

input string FirstLineCustomText = "First Custom Text"; // Custom text for the first line
input DisplayOptions FirstLineOption = CUSTOM_TEXT; // Option for the first line

input string SecondLineCustomText = "Second Custom Text"; // Custom text for the second line
input DisplayOptions SecondLineOption = CUSTOM_TEXT; // Option for the second line

input string ThirdLineCustomText = "Third Custom Text"; // Custom text for the third line
input DisplayOptions ThirdLineOption = CUSTOM_TEXT; // Option for the third line

input int FirstLineFontSize = 24; // Font size for the first line
input int SecondLineFontSize = 18; // Font size for the second line
input int ThirdLineFontSize = 14; // Font size for the third line

input color FirstLineColor = clrRed; // Text color for the first line
input color SecondLineColor = clrBlue; // Text color for the second line
input color ThirdLineColor = clrGreen; // Text color for the third line

string Prefix = "CusWatM_";
string ImagesFolder = "\\Images\\";
input string ImageFileName = "XU.bmp"; // Image file name in the Images folder

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {
  
 
   // Create the watermark text objects
   CreateWatermark("FirstLine", FirstLineCustomText, FirstLineOption, FirstLineFontSize, 0, FirstLineColor);
   CreateWatermark("SecondLine", SecondLineCustomText, SecondLineOption, SecondLineFontSize, FirstLineFontSize, SecondLineColor);
   CreateWatermark("ThirdLine", ThirdLineCustomText, ThirdLineOption, ThirdLineFontSize, FirstLineFontSize + SecondLineFontSize, ThirdLineColor);

   // Create the watermark image object
   CreateWatermarkImage();

   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
  
  RemoverInfoDoGrafico();
  
   // Delete the text and image objects when the indicator is removed
   ObjectDelete("FirstLine");
   ObjectDelete("SecondLine");
   ObjectDelete("ThirdLine");
   ObjectDelete("WatermarkImage");
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &time[],
                const double &open[],
                const double &high[],
                const double &low[],
                const double &close[],
                const long &tick_volume[],
                const long &volume[],
                const int &spread[])
  {
   // Update the watermark position on every tick
   UpdateWatermarkPosition();
   return(rates_total);
  }
//+------------------------------------------------------------------+
//| CreateWatermark function                                         |
//+------------------------------------------------------------------+
void CreateWatermark(string name, string custom_text, DisplayOptions option, int font_size, int y_offset, color text_color)
  {
   string text;
   switch(option)
     {
      case CUSTOM_TEXT:
         text = custom_text;
         break;
      case SYMBOL_NAME:
         text = Symbol();
         break;
      case TIMEFRAME:
         text = TimeFrameToString(Period());
         break;
     }

   // Create the text object
   if (ObjectFind(0, name) != 0)
     {
      ObjectCreate(0, name, OBJ_LABEL, 0, 0, 0);
     }

   // Set the text and style
   ObjectSetString(0, name, OBJPROP_TEXT, text);
   ObjectSetInteger(0, name, OBJPROP_COLOR, text_color);
   ObjectSetInteger(0, name, OBJPROP_CORNER, CORNER_LEFT_UPPER);
   ObjectSetInteger(0, name, OBJPROP_FONTSIZE, font_size);
   ObjectSetString(0, name, OBJPROP_FONT, "Arial");

   // Set the Y offset (distance from the top)
   ObjectSetInteger(0, name, OBJPROP_YDISTANCE, y_offset);
  }
//+------------------------------------------------------------------+
//| UpdateWatermarkPosition function                                 |
//+------------------------------------------------------------------+
void UpdateWatermarkPosition()
  {
   int window_width = ChartGetInteger(0, CHART_WIDTH_IN_PIXELS);
   int window_height = ChartGetInteger(0, CHART_HEIGHT_IN_PIXELS);

   // Calculate the Y positions for the first, second, and third lines
   int total_font_height = FirstLineFontSize + SecondLineFontSize + ThirdLineFontSize;
   int first_line_y = (window_height / 2) - (total_font_height / 2);
   int second_line_y = first_line_y + FirstLineFontSize;
   int third_line_y = second_line_y + SecondLineFontSize;

   // Set the X and Y positions of the text objects
   int center_x = window_width / 2;
   ObjectSetInteger(0, "FirstLine", OBJPROP_XDISTANCE, center_x);
   ObjectSetInteger(0, "SecondLine", OBJPROP_XDISTANCE, center_x);
   ObjectSetInteger(0, "ThirdLine", OBJPROP_XDISTANCE, center_x);
   ObjectSetInteger(0, "FirstLine", OBJPROP_YDISTANCE, first_line_y);
   ObjectSetInteger(0, "SecondLine", OBJPROP_YDISTANCE, second_line_y);
   ObjectSetInteger(0, "ThirdLine", OBJPROP_YDISTANCE, third_line_y);

   // Align the text to center
   ObjectSetInteger(0, "FirstLine", OBJPROP_ANCHOR, ANCHOR_CENTER);
   ObjectSetInteger(0, "SecondLine", OBJPROP_ANCHOR, ANCHOR_CENTER);
   ObjectSetInteger(0, "ThirdLine", OBJPROP_ANCHOR, ANCHOR_CENTER);

   // Set the position of the watermark image (bottom right corner)
   int image_width = 200; // Adjust as needed
   int image_height = 200; // Adjust as needed
   int image_x = window_width - image_width - 10; // Distance from right edge
   int image_y = window_height - image_height - 10; // Distance from bottom edge
   ObjectSetInteger(0, "WatermarkImage", OBJPROP_XDISTANCE, image_x);
   ObjectSetInteger(0, "WatermarkImage", OBJPROP_YDISTANCE, image_y);
   ObjectSetInteger(0, "WatermarkImage", OBJPROP_ANCHOR, ANCHOR_RIGHT_LOWER);
  }
//+------------------------------------------------------------------+
//| CreateWatermarkImage function                                    |
//+------------------------------------------------------------------+
void CreateWatermarkImage()
  {
   //// Create the image object
   //if (ObjectFind(0, name) != 0)
   //  {
   //   ObjectCreate(0, name, OBJ_BITMAP_LABEL, 0, 0, 0);
   //  }

   // Set the image properties
   ObjectCreate(0, Prefix+"_imgWatermark", OBJ_BITMAP_LABEL, 0, 0, 0);
   ObjectSetString(0, Prefix+"_imgWatermark", OBJPROP_BMPFILE,0,ImagesFolder + ImageFileName); //localização + ficheiro
   ObjectSetInteger(0,Prefix+"_imgWatermark",OBJPROP_CORNER,CORNER_LEFT_UPPER); //canto
   ObjectSetInteger(0,Prefix+"_imgWatermark",OBJPROP_XDISTANCE,100); //localização X
   ObjectSetInteger(0,Prefix+"_imgWatermark",OBJPROP_YDISTANCE,100); //localização Y
   ObjectSetInteger(0,Prefix+"_imgWatermark",OBJPROP_SELECTABLE,true); //seleccionável
  }
  

  
  void RemoverInfoDoGrafico()
{
   for(int i=ObjectsTotal()-1; i>-1; i--)
     {
      
      {if(StringFind(ObjectName(i),Prefix)>=0)
      {ObjectDelete(ObjectName(i));}//remover tudo o que começa com este prefixo
      }
     }
}

  
//+------------------------------------------------------------------+
//| TimeFrameToString function                                       |
//+------------------------------------------------------------------+
string TimeFrameToString(int period)
  {
   switch(period)
     {
      case PERIOD_M1: return "M1";
      case PERIOD_M5: return "M5";
      case PERIOD_M15: return "M15";
      case PERIOD_M30: return "M30";
      case PERIOD_H1: return "H1";
      case PERIOD_H4: return "H4";
      case PERIOD_D1: return "D1";
      case PERIOD_W1: return "W1";
      case PERIOD_MN1: return "MN1";
      default: return "Unknown";
     }
  }
//+------------------------------------------------------------------+