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OWLINC.PAK
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GAUGE.H
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C/C++ Source or Header
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1995-08-29
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2KB
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81 lines
//----------------------------------------------------------------------------
// ObjectWindows
// (C) Copyright 1992, 1994 by Borland International, All Rights Reserved
//
// Defines class TGauge. This defines the basic behavior
// of gauge controls.
//----------------------------------------------------------------------------
#if !defined(OWL_GAUGE_H)
#define OWL_GAUGE_H
#if !defined(OWL_CONTROL_H)
# include <owl/control.h>
#endif
#if !defined(OWL_COLOR_H)
# include <owl/color.h>
#endif
//
// class TGauge
// ----- ------
//
class _OWLCLASS TGauge : public TControl {
public:
TGauge(TWindow* parent,
const char far* title,
int id,
int X, int Y, int W, int H,
bool isHorizontal = true,
int margin = 0,
TModule* module = 0);
//
// Getting & setting gauge properties
//
void GetRange(int& min, int& max) const {min = Min; max = Max;}
int GetValue() const {return Value;}
void SetRange(int min, int max);
void SetValue(int value);
void SetLed(int spacing, int thickPercent = 90);
void SetColor(TColor color) {BarColor = color;}
protected:
//
// Override TWindow virtual member functions
//
void Paint(TDC& dc, bool erase, TRect& rect);
//
// self sent by method Paint(). override this is if you want to
// implement a border style that isn't supported
//
virtual void PaintBorder(TDC& dc);
//
// message response functions
//
bool EvEraseBkgnd(HDC);
protected:
int Min; // Minimum value
int Max; // Maximum value
int Value; // Current value
int Margin; // margin between bevel & graphic
int IsHorizontal;
int LedSpacing; // Spacing of 'leds' in value units
int LedThick; // Thickness of leds in percent of spacing
TColor BarColor; // Bar or LED color, defaults to blue
private:
//
// hidden to prevent accidental copying or assignment
//
TGauge(const TGauge&);
TGauge& operator=(const TGauge&);
DECLARE_RESPONSE_TABLE(TGauge);
};
#endif // OWL_GAUGE_H