Pierre8rTeam
127 lines
11 KiB
Plaintext
127 lines
11 KiB
Plaintext
//+------------------------------------------------------------------+
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//| ProgressBar.mqh |
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//| Copyright 2015, Vasiliy Sokolov. |
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//| http://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2015, Vasiliy Sokolov."
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#property link "http://www.mql5.com"
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#include "ElChart.mqh"
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#include <Panel\Events\EventChartPBRefresh.mqh>
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//+------------------------------------------------------------------+
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//| Graphic element ProgressBar |
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//+------------------------------------------------------------------+
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class CElProgressBar : public CElChart
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{
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private:
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CElChart m_progress; // Filler of the progress bar
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CElChart m_per_label; // Progress in %
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int m_progress_bar_id; //
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virtual void OnXCoordChange(void);
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virtual void OnYCoordChange(void);
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virtual void OnHeightChange(void);
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virtual void OnWidthChange(void);
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public:
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CElProgressBar(void);
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virtual void Event(CEvent *event);
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void SetPercent(double percent);
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void ProgressBarID(int id);
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int ProgressBarID(void);
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};
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//+------------------------------------------------------------------+
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//| Default constructor |
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//+------------------------------------------------------------------+
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CElProgressBar::CElProgressBar(void) : CElChart(OBJ_EDIT),
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m_progress(OBJ_EDIT),
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m_per_label(OBJ_EDIT)
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{
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m_progress.BackgroundColor(clrLime);
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m_progress.BorderColor(clrLime);
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m_progress.Width(0);
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m_per_label.BorderColor(clrNONE);
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m_per_label.BackgroundColor(clrNONE);
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m_per_label.TextSize(8);
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m_per_label.TextFont("Arial Rounded MT Bold");
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m_per_label.Width(50);
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SetPercent(0.0);
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m_elements.Add(GetPointer(m_progress));
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m_elements.Add(GetPointer(m_per_label));
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}
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//+------------------------------------------------------------------+
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//| Change the X coordinate of the filler to match changes |
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//| of the parent window |
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//+------------------------------------------------------------------+
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void CElProgressBar::OnXCoordChange(void)
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{
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m_progress.XCoord(XCoord()+2);
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}
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//+------------------------------------------------------------------+
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//| Change the Y coordinate of the filler after the changes |
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//| of the parent window |
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//+------------------------------------------------------------------+
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void CElProgressBar::OnYCoordChange(void)
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{
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m_progress.YCoord(YCoord()+1);
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m_per_label.YCoord(YCoord()+3);
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}
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//+------------------------------------------------------------------+
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//| Change the hight of the bar filler after the changes |
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//| of the parent window |
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//+------------------------------------------------------------------+
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void CElProgressBar::OnHeightChange(void)
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{
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m_progress.Height(Height()-2);
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m_per_label.Height(Height()-6);
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}
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//+------------------------------------------------------------------+
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//| Changing the width of the bar filler position after the changes |
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//| of the parent window |
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//+------------------------------------------------------------------+
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void CElProgressBar::OnWidthChange(void)
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{
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m_per_label.XCoord(XCoord()+(long)(Width()/2.0)-25);
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}
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//+------------------------------------------------------------------+
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//| Sets the ID of the progress bar |
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//+------------------------------------------------------------------+
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void CElProgressBar::ProgressBarID(int id)
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{
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m_progress_bar_id=id;
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}
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//+------------------------------------------------------------------+
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//| Returns the ID of the progress bar |
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//+------------------------------------------------------------------+
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int CElProgressBar::ProgressBarID(void)
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{
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return m_progress_bar_id;
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}
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//+------------------------------------------------------------------+
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//| Sets the percent of the progress bar |
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//+------------------------------------------------------------------+
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void CElProgressBar::SetPercent(double percent)
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{
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if(percent < 0.0)
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percent=0.0;
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if(percent > 1.0)
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percent=1.0;
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long w=0;
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if(percent>0.0)
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w=(long)MathRound((Width()-2)*percent);
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m_progress.Width(w-1);
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m_per_label.Text(DoubleToString(percent*100.0,1)+"%");
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}
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//+------------------------------------------------------------------+
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//| Hooks the event of progress bar update |
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//+------------------------------------------------------------------+
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void CElProgressBar::Event(CEvent *event)
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{
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CElChart::Event(event);
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if(event.EventType()==EVENT_CHART_PBAR_CHANGED)
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{
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CEventChartPBRefresh *pbRefresh=event;
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if(pbRefresh.ProgressBarID()==m_progress_bar_id)
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SetPercent(pbRefresh.ProgressBarValue());
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}
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}
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//+------------------------------------------------------------------+
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