| //+------------------------------------------------------------------+
|
| //| StPanel.mqh |
|
| //| Copyright 2026, Allan Niñal |
|
| //| https://www.allanninal.dev/mql5 |
|
| //+------------------------------------------------------------------+
|
| //| Chart panel drawing: cached labels and boxes (unchanged text is |
|
| //| never resent), sections, "label value" rows. Light and dark |
|
| //| themes. |
|
| //+------------------------------------------------------------------+
|
| // SPDX-License-Identifier: LicenseRef-PolyForm-Noncommercial-1.0.0 (see LICENSE)
|
| #ifndef SGT_PANEL_MQH
|
| #define SGT_PANEL_MQH
|
|
|
| enum ENUM_SGT_CORNER
|
| {
|
| SGT_LEFT=0, // Top left
|
| SGT_RIGHT=1 // Top right
|
| };
|
|
|
| #define SGT_PREFIX "SGT_" // chart object prefix
|
| #define UI_W 318 // panel width
|
| #define UI_PAD 10 // inner padding
|
| #define UI_VAL 112 // value column
|
| #define UI_ROW 16 // row height
|
| #define UI_HEAD 24 // title bar height
|
| #define UI_GAP 6 // space above a section title
|
| #define UI_CHAR 7 // Consolas 9 advance width, px
|
|
|
| ENUM_SGT_CORNER g_ui_corner=SGT_LEFT;
|
| int g_ui_x=10,g_ui_y=26,g_ui_font=9;
|
| bool g_ui_light=false;
|
| bool g_panel_dirty=false;
|
|
|
| color UiBack() { return(g_ui_light ? C'250,250,251' : C'24,26,30'); }
|
| color UiText() { return(g_ui_light ? C'44,48,56' : C'206,212,220'); }
|
| color UiLabel() { return(g_ui_light ? C'124,131,142' : C'122,130,142'); }
|
| color UiHead() { return(g_ui_light ? C'92,100,112' : C'150,160,175'); }
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| color UiDim() { return(g_ui_light ? C'140,146,157' : C'96,102,112'); }
|
| color UiPos() { return(g_ui_light ? C'38,118,66' : C'126,192,143'); }
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| color UiNeg() { return(g_ui_light ? C'176,58,58' : C'226,124,124'); }
|
| color UiWarn() { return(g_ui_light ? C'160,112,28' : C'220,178,116'); }
|
| color UiRule() { return(g_ui_light ? C'220,223,228' : C'48,52,58'); }
|
|
|
| //--- per-object cache of what was last sent
|
| string g_cache_name[];
|
| string g_cache_txt[];
|
| color g_cache_clr[],g_cache_fill[];
|
| int g_cache_x[],g_cache_y[],g_cache_w[],g_cache_h[];
|
| int g_cursor=0;
|
|
|
| int CacheSlot(const string name)
|
| {
|
| int n=ArraySize(g_cache_name);
|
| if(g_cursor<n && g_cache_name[g_cursor]==name)
|
| return(g_cursor++);
|
| for(int i=0; i<n; i++)
|
| if(g_cache_name[i]==name)
|
| {
|
| g_cursor=i+1;
|
| return(i);
|
| }
|
| ArrayResize(g_cache_name,n+1,32);
|
| ArrayResize(g_cache_txt,n+1,32);
|
| ArrayResize(g_cache_clr,n+1,32);
|
| ArrayResize(g_cache_x,n+1,32);
|
| ArrayResize(g_cache_y,n+1,32);
|
| ArrayResize(g_cache_w,n+1,32);
|
| ArrayResize(g_cache_h,n+1,32);
|
| ArrayResize(g_cache_fill,n+1,32);
|
| g_cache_name[n]=name;
|
| g_cache_txt[n]="\x01";
|
| g_cache_clr[n]=clrNONE;
|
| g_cache_fill[n]=clrNONE;
|
| g_cache_x[n]=g_cache_y[n]=g_cache_w[n]=g_cache_h[n]=INT_MIN;
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| g_cursor=n+1;
|
| return(n);
|
| }
|
|
|
| void CacheClear(void)
|
| {
|
| ArrayResize(g_cache_name,0);
|
| ArrayResize(g_cache_txt,0);
|
| ArrayResize(g_cache_clr,0);
|
| ArrayResize(g_cache_x,0);
|
| ArrayResize(g_cache_y,0);
|
| ArrayResize(g_cache_w,0);
|
| ArrayResize(g_cache_h,0);
|
| ArrayResize(g_cache_fill,0);
|
| g_cursor=0;
|
| g_panel_dirty=true;
|
| }
|
|
|
| void SetInt(const string name,const ENUM_OBJECT_PROPERTY_INTEGER prop,const long v,int &cache)
|
| {
|
| if(cache==(int)v)
|
| return;
|
| ObjectSetInteger(0,name,prop,v);
|
| cache=(int)v;
|
| g_panel_dirty=true;
|
| }
|
|
|
| int PanelX(const int x) { return(g_ui_corner==SGT_LEFT ? g_ui_x+x : g_ui_x+UI_W-x); }
|
| ENUM_BASE_CORNER PanelCorner(void) { return(g_ui_corner==SGT_LEFT ? CORNER_LEFT_UPPER : CORNER_RIGHT_UPPER); }
|
|
|
| void Text(const string id,const int x,const int y,const string text,const color clr,
|
| const int size=0,const string font="Consolas")
|
| {
|
| string name=SGT_PREFIX+id;
|
| string txt=(text=="") ? " " : text; // an empty label would show the word "Label"
|
| int slot=CacheSlot(name);
|
| if(g_cache_x[slot]==INT_MIN && ObjectFind(0,name)<0)
|
| {
|
| ObjectCreate(0,name,OBJ_LABEL,0,0,0);
|
| ObjectSetInteger(0,name,OBJPROP_CORNER,PanelCorner());
|
| ObjectSetInteger(0,name,OBJPROP_ANCHOR,ANCHOR_LEFT_UPPER);
|
| ObjectSetInteger(0,name,OBJPROP_SELECTABLE,false);
|
| ObjectSetInteger(0,name,OBJPROP_HIDDEN,true);
|
| ObjectSetInteger(0,name,OBJPROP_BACK,false);
|
| ObjectSetString(0,name,OBJPROP_FONT,font);
|
| ObjectSetInteger(0,name,OBJPROP_FONTSIZE,size>0 ? size : g_ui_font);
|
| }
|
| SetInt(name,OBJPROP_XDISTANCE,PanelX(x),g_cache_x[slot]);
|
| SetInt(name,OBJPROP_YDISTANCE,g_ui_y+y,g_cache_y[slot]);
|
| if(g_cache_txt[slot]!=txt)
|
| {
|
| ObjectSetString(0,name,OBJPROP_TEXT,txt);
|
| g_cache_txt[slot]=txt;
|
| g_panel_dirty=true;
|
| }
|
| if(g_cache_clr[slot]!=clr)
|
| {
|
| ObjectSetInteger(0,name,OBJPROP_COLOR,clr);
|
| g_cache_clr[slot]=clr;
|
| g_panel_dirty=true;
|
| }
|
| }
|
|
|
| void Box(const string id,const int x,const int y,const int w,const int h,const color fill,const color border)
|
| {
|
| string name=SGT_PREFIX+id;
|
| int slot=CacheSlot(name);
|
| if(g_cache_x[slot]==INT_MIN && ObjectFind(0,name)<0)
|
| {
|
| ObjectCreate(0,name,OBJ_RECTANGLE_LABEL,0,0,0);
|
| ObjectSetInteger(0,name,OBJPROP_CORNER,PanelCorner());
|
| ObjectSetInteger(0,name,OBJPROP_BORDER_TYPE,BORDER_FLAT);
|
| ObjectSetInteger(0,name,OBJPROP_SELECTABLE,false);
|
| ObjectSetInteger(0,name,OBJPROP_HIDDEN,true);
|
| ObjectSetInteger(0,name,OBJPROP_BACK,false);
|
| }
|
| //--- a rectangle label is anchored at its top-left corner, so on the right corner shift it by its width
|
| SetInt(name,OBJPROP_XDISTANCE,g_ui_corner==SGT_LEFT ? g_ui_x+x : g_ui_x+UI_W-x,g_cache_x[slot]);
|
| SetInt(name,OBJPROP_YDISTANCE,g_ui_y+y,g_cache_y[slot]);
|
| SetInt(name,OBJPROP_XSIZE,MathMax(w,1),g_cache_w[slot]);
|
| SetInt(name,OBJPROP_YSIZE,MathMax(h,1),g_cache_h[slot]);
|
| if(g_cache_fill[slot]!=fill)
|
| {
|
| ObjectSetInteger(0,name,OBJPROP_BGCOLOR,fill);
|
| g_cache_fill[slot]=fill;
|
| g_panel_dirty=true;
|
| }
|
| if(g_cache_clr[slot]!=border)
|
| {
|
| ObjectSetInteger(0,name,OBJPROP_COLOR,border);
|
| g_cache_clr[slot]=border;
|
| g_panel_dirty=true;
|
| }
|
| }
|
|
|
| //--- one "label value" row; returns the next y
|
| int Row(const string id,const int y,const string label,const string value,const color clr)
|
| {
|
| int fit=(UI_W-UI_VAL-UI_PAD)/UI_CHAR;
|
| Text(id+"_l",UI_PAD,y,label,UiLabel());
|
| Text(id+"_v",UI_VAL,y,StringLen(value)>fit ? StringSubstr(value,0,fit-1)+"~" : value,clr);
|
| return(y+UI_ROW);
|
| }
|
|
|
| int Section(const string id,const int y,const string title)
|
| {
|
| int top=y+UI_GAP;
|
| Box(id+"_r",UI_PAD,top+UI_ROW-3,UI_W-2*UI_PAD,1,UiRule(),UiRule());
|
| Text(id+"_t",UI_PAD,top,title,UiHead(),g_ui_font-1);
|
| return(top+UI_ROW+2);
|
| }
|
|
|
| void PanelDelete(void)
|
| {
|
| ObjectsDeleteAll(0,SGT_PREFIX);
|
| CacheClear();
|
| }
|
|
|
| //+------------------------------------------------------------------+
|
| //| Formatting |
|
| //+------------------------------------------------------------------+
|
| string Thousands(const double v,const int digits=2)
|
| {
|
| string s=DoubleToString(MathAbs(v),digits);
|
| int dot=StringFind(s,".");
|
| string ip=dot>=0 ? StringSubstr(s,0,dot) : s;
|
| string fp=dot>=0 ? StringSubstr(s,dot) : "";
|
| string out="";
|
| int n=StringLen(ip);
|
| for(int i=0; i<n; i++)
|
| {
|
| if(i>0 && (n-i)%3==0)
|
| out+=",";
|
| out+=StringSubstr(ip,i,1);
|
| }
|
| return((v<0 ? "-" : "")+out+fp);
|
| }
|
| string SMoney(const double v) { return((v>0 ? "+" : "")+Thousands(v)); }
|
| color Sign(const double v) { return(v>0 ? UiPos() : (v<0 ? UiNeg() : UiDim())); }
|
|
|
| #endif
|
| //+------------------------------------------------------------------+
|
