87 lines
3.9 KiB
MQL5
87 lines
3.9 KiB
MQL5
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//+------------------------------------------------------------------+
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//| ScrollView |
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//| Copyright 2006-2011, www.FXmaster.de |
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//| www.FXmaster.de |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2006-2011, www.FXmaster.de"
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#property link "www.FXmaster.de"
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#property version "1.00"
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#include "View.mqh"
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#define SV_VDIR 0
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#define SV_HDIR 1
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//------------------------------------------------------------------ class CScrollView
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class CScrollView: public CView
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{
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//--- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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public:
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CScrollView() { m_value=0; m_min=0; m_max=100; m_step=1; }
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~CScrollView() { DeleteView(); }
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virtual void Create(long chart, string name, int wnd, color clr, color bgclr, color selclr, int x, int y, int dx, int dy, int corn=0, int fontsize=8);
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//--- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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public:
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int m_dir; // <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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double m_min, m_max; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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double m_value; // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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double m_step; // <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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virtual int OnClick(string name); // <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//--- <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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public:
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virtual void Draw(); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>
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virtual void DeleteView(); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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};
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//------------------------------------------------------------------ Create
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void CScrollView::Create(long chart, string name, int wnd, color clr, color bgclr, color selclr, int x, int y, int dx, int dy, int corn=0, int fontsize=8)
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{
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CView::Create(chart, name, wnd, clr, bgclr, selclr, x, y, dx, dy, corn, fontsize, "Wingdings");
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if (dx>dy) m_dir=SV_HDIR; else m_dir=SV_VDIR;
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m_min=0; m_max=100; m_value=0; m_step=1;
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}
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//------------------------------------------------------------------ OnClick
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int CScrollView::OnClick(string name)
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{
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double s=0;
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if (name==m_name+".up") s=-1; if (name==m_name+".dn") s=1;
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if (s==0) return(0);
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double v=m_value+s*m_step; if (v>m_max || v<m_min) return(0);
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m_value=MathMax(MathMin(v, m_max), m_min);
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Draw(); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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return(int(s));
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}
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//------------------------------------------------------------------ Draw
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void CScrollView::Draw()
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{
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double k=1.2;
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if (m_max-m_min==0) return;
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if (m_dir==SV_HDIR) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{
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SetRectLbl(m_chart, m_name, m_wnd, "", m_clr, m_bgclr, m_x+m_dy, m_y-1, m_dx-2*m_dy, m_dy+2, m_corn, m_fontsize, m_font, true);
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SetButton(m_chart, m_name+".up", m_wnd, CharToString(215), m_selclr, m_clr, m_x, m_y, m_dy, m_dy, m_corn, m_fontsize, m_font, false);
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SetButton(m_chart, m_name+".dn", m_wnd, CharToString(216), m_selclr, m_clr, m_x+m_dx-m_dy, m_y, m_dy, m_dy, m_corn, m_fontsize, m_font, false);
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double w=m_dx-2*m_dy-m_dy/k;
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int pos=int(w/(m_max-m_min)*m_value);
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SetRectLbl(m_chart, m_name+".bar", m_wnd, "", m_selclr, m_clr, m_x+m_dy+pos, m_y, int(m_dy/k), m_dy, m_corn, m_fontsize, m_font);
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}
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else //SV_VDIR// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{
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SetRectLbl(m_chart, m_name, m_wnd, "", m_clr, m_bgclr, m_x-1, m_y+m_dx, m_dx+2, m_dy-2*m_dx, m_corn, m_fontsize, m_font, true);
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SetButton(m_chart, m_name+".up", m_wnd, CharToString(217), m_selclr, m_clr, m_x, m_y, m_dx, m_dx, m_corn, m_fontsize, m_font, false);
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SetButton(m_chart, m_name+".dn", m_wnd, CharToString(218), m_selclr, m_clr, m_x, m_y+m_dy-m_dx, m_dx, m_dx, m_corn, m_fontsize, m_font, false);
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double w=m_dy-2*m_dx-m_dx/k;
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int pos=int(w/(m_max-m_min)*m_value);
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SetRectLbl(m_chart, m_name+".bar", m_wnd, "", m_selclr, m_clr, m_x, m_y+m_dx+pos, m_dx, int(m_dx/k), m_corn, m_fontsize, m_font);
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}
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ChartRedraw(m_chart); // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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}
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//------------------------------------------------------------------ Draw
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void CScrollView::DeleteView()
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{
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ObjectDelete(m_chart, m_name); ObjectDelete(m_chart, m_name+".bar");
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ObjectDelete(m_chart, m_name+".up"); ObjectDelete(m_chart, m_name+".dn");
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}
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