//+------------------------------------------------------------------+
//|                                                 StatusLabel.mqh |
//|                                                     AnimateDread |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "AnimateDread"
#property link      "https://www.mql5.com"
//+------------------------------------------------------------------+
//| Replaces Comment() for on-chart status text. Comment() draws     |
//| directly onto the chart surface with no background, so status    |
//| text becomes unreadable over candles.                            |
//+------------------------------------------------------------------+
#define STATUS_LABEL_PREFIX    "WarriorStatusLine"
#define STATUS_LABEL_FONTSIZE  9
#define STATUS_LABEL_FONT      "Consolas"
#define STATUS_LABEL_PAD_X     3
#define STATUS_LABEL_PAD_Y     1
#define STATUS_LABEL_LINE_GAP  2  // extra pixels between successive lines' backgrounds
#define STATUS_LABEL_RIGHT_MARGIN 20
#define STATUS_LABEL_MIN_WRAP_WIDTH 150
#define STATUS_LABEL_MAX_CHARS 55  // safe margin under OBJPROP_TEXT's observed ~63-char truncation
#define STATUS_LABEL_MAX_LINES 64
int g_statusLabelLineCount = 0;
//--- Y (chart pixels, CORNER_LEFT_UPPER) just below the last line SetStatusLabel() drew - i.e. where
//--- something else can be placed to sit UNDER the label instead of overlapping it. Defaults to the
//--- label's own default top (see SetStatusLabel()'s y=20 default) before the label has ever drawn.
int g_statusLabelBottomY = 20;
int StatusLabelBottomY(void) { return g_statusLabelBottomY; }
void EnsureStatusLine(int idx)
  {
   string bg  = STATUS_LABEL_PREFIX + (string)idx + "BG";
   string txt = STATUS_LABEL_PREFIX + (string)idx + "Text";
   if(ObjectFind(0, bg) < 0)
     {
      ObjectCreate(0, bg, OBJ_RECTANGLE_LABEL, 0, 0, 0);
      ObjectSetInteger(0, bg, OBJPROP_CORNER, CORNER_LEFT_UPPER);
      ObjectSetInteger(0, bg, OBJPROP_BGCOLOR, (color)ColorToARGB(clrBlack, 150));
      ObjectSetInteger(0, bg, OBJPROP_BORDER_TYPE, BORDER_FLAT);
      ObjectSetInteger(0, bg, OBJPROP_COLOR, clrNONE);
      ObjectSetInteger(0, bg, OBJPROP_BACK, false);
      ObjectSetInteger(0, bg, OBJPROP_SELECTABLE, false);
      ObjectSetInteger(0, bg, OBJPROP_SELECTED, false);
      ObjectSetInteger(0, bg, OBJPROP_HIDDEN, true);
     }
   if(ObjectFind(0, txt) < 0)
     {
      ObjectCreate(0, txt, OBJ_LABEL, 0, 0, 0);
      ObjectSetInteger(0, txt, OBJPROP_CORNER, CORNER_LEFT_UPPER);
      ObjectSetInteger(0, txt, OBJPROP_ANCHOR, ANCHOR_LEFT_UPPER);
      ObjectSetInteger(0, txt, OBJPROP_FONTSIZE, STATUS_LABEL_FONTSIZE);
      ObjectSetString(0, txt, OBJPROP_FONT, STATUS_LABEL_FONT);
      ObjectSetInteger(0, txt, OBJPROP_COLOR, clrWhite);
      ObjectSetInteger(0, txt, OBJPROP_BACK, false);
      ObjectSetInteger(0, txt, OBJPROP_SELECTABLE, false);
      ObjectSetInteger(0, txt, OBJPROP_SELECTED, false);
      ObjectSetInteger(0, txt, OBJPROP_HIDDEN, true);
     }
  }
//+------------------------------------------------------------------+
//| Appends one already-short-enough chunk to outLines/outCount,       |
//| force-splitting it further if it still exceeds                    |
//| STATUS_LABEL_MAX_CHARS (a single word longer than the cap, with    |
//| no spaces to break on).                                            |
//+------------------------------------------------------------------+
void AppendStatusChunk(string chunk, string &outLines[], int &outCount)
  {
   int pos = 0;
   int len = StringLen(chunk);
   while(len - pos > STATUS_LABEL_MAX_CHARS)
     {
      ArrayResize(outLines, outCount + 1);
      outLines[outCount++] = StringSubstr(chunk, pos, STATUS_LABEL_MAX_CHARS);
      pos += STATUS_LABEL_MAX_CHARS;
     }
   ArrayResize(outLines, outCount + 1);
   outLines[outCount++] = StringSubstr(chunk, pos);
  }
//+------------------------------------------------------------------+
//| Greedily breaks one logical line into as many visual lines as     |
//| needed to keep each one's measured TextGetSize() width within      |
//| maxWidth AND its character count within STATUS_LABEL_MAX_CHARS -   |
//| the latter is what actually matters (see this file's header        |
//| comment on ObjectSetString's ~63-char truncation), the pixel width |
//| check just wraps sooner on a narrow chart. Requires TextSetFont()  |
//| to already have been called by the caller so TextGetSize()         |
//| measures against the same font actually rendered.                  |
//+------------------------------------------------------------------+
void WrapLineInto(string line, int maxWidth, string &outLines[], int &outCount)
  {
   uint dummyW = 0, dummyH = 0;
   TextGetSize(line, dummyW, dummyH);
   if(StringLen(line) == 0 || ((int)dummyW <= maxWidth && StringLen(line) <= STATUS_LABEL_MAX_CHARS))
     {
      ArrayResize(outLines, outCount + 1);
      outLines[outCount++] = line;
      return;
     }
   string words[];
   int wordCount = StringSplit(line, ' ', words);
   string current = "";
   for(int w = 0; w < wordCount; w++)
     {
      string candidate = (StringLen(current) == 0) ? words[w] : current + " " + words[w];
      uint cw = 0, ch = 0;
      TextGetSize(candidate, cw, ch);
      bool tooWide = ((int)cw > maxWidth || StringLen(candidate) > STATUS_LABEL_MAX_CHARS);
      if(tooWide && StringLen(current) > 0)
        {
         AppendStatusChunk(current, outLines, outCount);
         current = words[w];
        }
      else
         current = candidate;
     }
   if(StringLen(current) > 0)
      AppendStatusChunk(current, outLines, outCount);
  }
void SetStatusLabel(string text, int x = 10, int y = 20)
  {
   //--- TextSetFont's size argument is tenths of a point when negative (matches OBJPROP_FONTSIZE's
   //--- point-based units above) - must be set before any TextGetSize() call since it's global state
   TextSetFont(STATUS_LABEL_FONT, -STATUS_LABEL_FONTSIZE * 10, 0);
   long chartWidthPx = 0;
   ChartGetInteger(0, CHART_WIDTH_IN_PIXELS, 0, chartWidthPx);
   int maxWidth = (int)chartWidthPx - x - STATUS_LABEL_RIGHT_MARGIN;
   if(maxWidth < STATUS_LABEL_MIN_WRAP_WIDTH)
      maxWidth = STATUS_LABEL_MIN_WRAP_WIDTH;
   string rawLines[];
   int rawCount = StringSplit(text, '\n', rawLines);
   string lines[];
   int lineCount = 0;
   for(int r = 0; r < rawCount && lineCount < STATUS_LABEL_MAX_LINES; r++)
      WrapLineInto(rawLines[r], maxWidth, lines, lineCount);
   if(lineCount > STATUS_LABEL_MAX_LINES)
      lineCount = STATUS_LABEL_MAX_LINES;
   int lineY = y;
   for(int i = 0; i < lineCount; i++)
     {
      EnsureStatusLine(i);
      string bg  = STATUS_LABEL_PREFIX + (string)i + "BG";
      string txt = STATUS_LABEL_PREFIX + (string)i + "Text";
      uint textW = 0, textH = 0;
      //--- an empty line measures 0x0, which would collapse its background - fall back to a single
      //--- space so blank separator lines still reserve a row of height
      TextGetSize(StringLen(lines[i]) > 0 ? lines[i] : " ", textW, textH);
      ObjectSetInteger(0, bg, OBJPROP_XDISTANCE, x - STATUS_LABEL_PAD_X);
      ObjectSetInteger(0, bg, OBJPROP_YDISTANCE, lineY - STATUS_LABEL_PAD_Y);
      ObjectSetInteger(0, bg, OBJPROP_XSIZE, (int)textW + STATUS_LABEL_PAD_X * 2);
      ObjectSetInteger(0, bg, OBJPROP_YSIZE, (int)textH + STATUS_LABEL_PAD_Y * 2);
      ObjectSetInteger(0, txt, OBJPROP_XDISTANCE, x);
      ObjectSetInteger(0, txt, OBJPROP_YDISTANCE, lineY);
      ObjectSetString(0, txt, OBJPROP_TEXT, lines[i]);
      lineY += (int)textH + STATUS_LABEL_LINE_GAP;
     }
   g_statusLabelBottomY = lineY;
   //--- fewer lines than last call - remove the now-unused trailing line objects rather than
   //--- leaving stale text (e.g. a previous longer status block) hanging below the new one
   for(int i = lineCount; i < g_statusLabelLineCount; i++)
     {
      string bg  = STATUS_LABEL_PREFIX + (string)i + "BG";
      string txt = STATUS_LABEL_PREFIX + (string)i + "Text";
      if(ObjectFind(0, bg) >= 0)
         ObjectDelete(0, bg);
      if(ObjectFind(0, txt) >= 0)
         ObjectDelete(0, txt);
     }
   g_statusLabelLineCount = lineCount;
   //--- ObjectSet*() alone does not trigger a repaint - without this the new text/background only
   //--- appears once something else forces a redraw (dragging the chart, clicking an object, a new
   //--- bar), which made updates look stalled between those events
   ChartRedraw(0);
  }
//+------------------------------------------------------------------+
//| Removes every status line object. Mirrors the old Comment("")     |
//| clear on shutdown - ObjectsDeleteAll(0) elsewhere clears chart    |
//| objects, but callers still need an explicit clear at points where |
//| only the status text (not the whole chart) should be reset.       |
//+------------------------------------------------------------------+
void ClearStatusLabel(void)
  {
   for(int i = 0; i < g_statusLabelLineCount; i++)
     {
      string bg  = STATUS_LABEL_PREFIX + (string)i + "BG";
      string txt = STATUS_LABEL_PREFIX + (string)i + "Text";
      if(ObjectFind(0, bg) >= 0)
         ObjectDelete(0, bg);
      if(ObjectFind(0, txt) >= 0)
         ObjectDelete(0, txt);
     }
   g_statusLabelLineCount = 0;
   ChartRedraw(0);
  }
//+------------------------------------------------------------------+
//| ENSEMBLE PANEL (two or more NNs enabled).                        |
//+------------------------------------------------------------------+
#define ENSEMBLE_PANEL_MAX_MEMBERS 6
string g_ensPanelTag[ENSEMBLE_PANEL_MAX_MEMBERS];
string g_ensPanelLine[ENSEMBLE_PANEL_MAX_MEMBERS];
//--- ROW OWNERSHIP, so the panel is ordered by the ENSEMBLE's own member order and not by which
//--- member happened to publish first.
bool   g_ensPanelSlotUsed[ENSEMBLE_PANEL_MAX_MEMBERS];
int    g_ensPanelUsed = 0;
uint   g_ensPanelLastRender = 0;
string g_ensPanelLastText = "";
//--- The ensemble's COMBINED-vote OOS score line, written once per era by the last member to finish
//--- its pass-3 scan (CExpertSignalAIBase::EnsembleScoreCombinedVote) and rendered under the member
//--- lines below.
string g_ensembleVoteLine = "";
//--- index = the caller's ensemble registration index. Idempotent: safe to call on every publish, which
//--- is what keeps the tag current for a member whose ID was not final when it first claimed its row.
int ClaimEnsemblePanelSlot(string tag, int index)
  {
   int slot = index;
   //--- Unregistered or out of range (should not happen for a real member): fall back to the first free
   //--- row rather than dropping the model off the panel entirely.
   if(slot < 0 || slot >= ENSEMBLE_PANEL_MAX_MEMBERS)
     {
      slot = -1;
      for(int i = 0; i < ENSEMBLE_PANEL_MAX_MEMBERS; i++)
         if(!g_ensPanelSlotUsed[i])
           {
            slot = i;
            break;
           }
      if(slot < 0)
         slot = ENSEMBLE_PANEL_MAX_MEMBERS - 1;
     }
   if(!g_ensPanelSlotUsed[slot])
     {
      g_ensPanelSlotUsed[slot] = true;
      g_ensPanelLine[slot] = "";
     }
   if(tag != "")
      g_ensPanelTag[slot] = tag;
   //--- High-water mark of CLAIMED rows, not a running count - rows are addressed by index now, so a
   //--- member that has not published yet leaves a gap the render skips rather than shifting everyone up.
   if(slot + 1 > g_ensPanelUsed)
      g_ensPanelUsed = slot + 1;
   return slot;
  }
void PublishEnsembleStatus(int slot, string headline, bool force = false)
  {
   if(slot < 0 || slot >= g_ensPanelUsed || !g_ensPanelSlotUsed[slot])
      return;
   g_ensPanelLine[slot] = headline;
   int shown = 0;
   for(int i = 0; i < g_ensPanelUsed; i++)
      if(g_ensPanelSlotUsed[i])
         shown++;
   string s = "AI ensemble  -  " + (string)shown + " independent models, one line each";
   for(int i = 0; i < g_ensPanelUsed; i++)
      if(g_ensPanelSlotUsed[i])
         s += "\n" + g_ensPanelTag[i] + ":  " + (g_ensPanelLine[i] == "" ? "starting..." : g_ensPanelLine[i]);
   if(g_ensembleVoteLine != "")
      s += "\n" + g_ensembleVoteLine;
   //--- unchanged text needs no relayout; changed text still respects a minimum redraw interval
   if(s == g_ensPanelLastText)
      return;
   uint now = GetTickCount();
   if(!force && g_ensPanelLastRender != 0 && now - g_ensPanelLastRender < 300)
      return;
   g_ensPanelLastText = s;
   g_ensPanelLastRender = now;
   SetStatusLabel(s);
  }