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C Programming Starter Kit 2.0
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bc45
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owlinc.pak
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TEXTGADG.H
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C/C++ Source or Header
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1997-07-23
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2KB
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64 lines
//----------------------------------------------------------------------------
// ObjectWindows
// (C) Copyright 1992, 1994 by Borland International, All Rights Reserved
//
// Definition of text gadget class TGadget.
//----------------------------------------------------------------------------
#if !defined(OWL_TEXTGADG_H)
#define OWL_TEXTGADG_H
#if !defined(OWL_GADGET_H)
# include <owl/gadget.h>
#endif
//
// class TTextGadget
// ----- -----------
//
// when constructing the text gadget specify how many characters you want
// room for and how the text should be aligned horizontally
//
// the inner bounds are computed by multiplying the number of characters by
// the maximum character width
//
class _OWLCLASS TTextGadget : public TGadget {
public:
enum TAlign {Left, Center, Right};
TTextGadget(int id = 0, TBorderStyle = Recessed, TAlign = Left, uint numChars = 10, const char* text = 0);
~TTextGadget();
const char* GetText() const {return Text;}
//
// makes a copy of the text
//
void SetText(const char *text);
protected:
//
// override virtual methods defined in TGadget
//
void Paint(TDC& dc);
void GetDesiredSize(TSize &size);
void Invalidate();
private:
uint GetMaxCharWidth();
protected:
char* Text;
uint TextLen;
TAlign Align;
uint NumChars;
private:
//
// hidden to prevent accidental copying or assignment
//
TTextGadget(const TTextGadget&);
TTextGadget& operator =(const TTextGadget&);
};
#endif // OWL_TEXTGADG_H