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ProgressBar.h

Go to the documentation of this file.

#ifndef OglGui_ProgressBar_h
#define OglGui_ProgressBar_h

#ifndef OglGui_Window_h
#include "OglGui/Window.h"
#endif

namespace OglGui
{

class ProgressBar : public Window
{
public:

    ProgressBar(Window* parent, int x, int y, int width, int height,
                int borderType = BEV_ETCHED) :
        Window(parent, x, y, width, height)
    {
        Init(borderType);
    }

    ProgressBar(Window* parent, int width, int height,
                int borderType=BEV_ETCHED) :
        Window(parent, width, height)
    {
        Init(borderType);
    }

    void SetProgress(float val)
    {
        mPercentage = val;
    }

    float GetProgress()
    {
        return mPercentage;
    }

    void SetHorizontal(bool mode=true)
    {
        mHorizontal = mode;
    }

    void SetColors(ULONG startCol=oglLIGHTGREY, ULONG endCol=oglDARKGREEN)
    {
        mStartColor = startCol;
        mEndColor = endCol;
    }

    void ShowPercentage(bool mode=true)
    {
        mShowPercentage = mode;
    }

    virtual void DisplayFunc()
    {
        OGC     myOGC;
        ULONG   opaq = 0xff000000;
        int     bInfo[3];
        int     w = WndWidth(), h = WndHeight();
        float   mrg = 3;

        mPercentage = (mPercentage > 100.0f) ? 100.0f : mPercentage;
        if (mPercentage <= 0.0f)
            return;

        if (GetBorderType() < 2 )
            mrg--;
        if( w < 4 || h < 4 )
            mrg = 0.0f;

        w = (mHorizontal ? mPercentage/100.0f : 1.0f) * (w-2*mrg);
        h = (mHorizontal ? 1.0f : mPercentage/100.0f) * (h-2*mrg);

        OGCSave(&myOGC);

        if ( (mStartColor & opaq) != opaq || (mEndColor & opaq) != opaq )
            oglSys.StartBlend(bInfo);

        if (mHorizontal)
            SetFillColors(mStartColor, mEndColor, mEndColor, mStartColor, 0);
        else
            SetFillColors(mEndColor, mEndColor, mStartColor, mStartColor, 0);

        if (IsRounded() )
        {
            float   r0,r1,r2,r3;
            GetRoundness(r0,r1,r2,r3);
            FillRoundRectExt(mrg, mrg, w, h, r0, r1, r2, r3 );
        }
        else
            FillRectangle(mrg, mrg, w, h);

        if (mShowPercentage)
            oglSys.PosColPrintf(mOglWnd, 0, mrg, mForeGroundColor,
                                "%3.0f%s", mPercentage,"%");

        if ( (mStartColor & opaq) != opaq || (mEndColor & opaq) != opaq )
            oglSys.EndBlend(bInfo);

        OGCRestore(&myOGC);
    }

private :

    float   mPercentage;
    bool    mShowPercentage;
    bool    mHorizontal;
    ULONG   mStartColor, mEndColor;

    void
    Init(int borderType)
    {
        mPercentage = 0.0f;
        mShowPercentage = false;
        mHorizontal = true;
        SetColors();
        SetBorderType(borderType);
        SetBorderBackground(oglTrLIGHTGREY);
    }
};

} // namespace OglGui

#endif

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