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PC World Komputer 1998 May
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OWLINC.PAK
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CHECKBOX.H
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C/C++ Source or Header
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1995-08-29
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3KB
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101 lines
//----------------------------------------------------------------------------
// ObjectWindows
// (C) Copyright 1991, 1994 by Borland International, All Rights Reserved
//
// Defines class TCheckBox. This defines the basic behavior
// for all check boxes.
//----------------------------------------------------------------------------
#if !defined(OWL_CHECKBOX_H)
#define OWL_CHECKBOX_H
#if !defined(OWL_BUTTON_H)
# include <owl/button.h>
#endif
class _OWLCLASS TGroupBox;
//
// Checkbox flags indicating check state
//
enum {
BF_CHECKED = 0x01,
BF_GRAYED = 0x02,
BF_UNCHECKED = 0x0
};
//
// class TCheckBox
// ----- ---------
//
class _OWLCLASS TCheckBox : public TButton {
public:
TGroupBox* Group;
TCheckBox(TWindow* parent,
int id,
const char far* title,
int x, int y, int w, int h,
TGroupBox* group = 0,
TModule* module = 0);
TCheckBox(TWindow* parent,
int resourceId,
TGroupBox* group = 0,
TModule* module = 0);
void Check() {SetCheck(BF_CHECKED);}
void Uncheck() {SetCheck(BF_UNCHECKED);}
void Toggle();
uint GetCheck() const;
void SetCheck(uint check);
uint GetState() const;
void SetState(uint state) {SendMessage(BM_SETSTATE, state);}
void SetStyle(uint style, bool redraw);
//
// Override TWindow virtual member functions
//
uint Transfer(void* buffer, TTransferDirection direction);
protected:
//
// override TButton's processing so drawable check boxes and radio
// buttons work properly
//
uint EvGetDlgCode(MSG far*) {return (uint)DefaultProcessing();}
//
// child id notification
//
void BNClicked(); // BN_CLICKED
char far* GetClassName();
private:
//
// hidden to prevent accidental copying or assignment
//
TCheckBox(const TCheckBox&);
TCheckBox& operator =(const TCheckBox&);
DECLARE_RESPONSE_TABLE(TCheckBox);
DECLARE_STREAMABLE(_OWLCLASS, TCheckBox, 1);
};
inline uint TCheckBox::GetCheck() const {
return (uint)CONST_CAST(TCheckBox*, this)->SendMessage(BM_GETCHECK);
}
inline uint TCheckBox::GetState() const {
return (uint)CONST_CAST(TCheckBox*, this)->SendMessage(BM_GETSTATE);
}
inline void TCheckBox::SetStyle(uint style, bool redraw) {
SendMessage(BM_SETSTYLE, style, MAKELPARAM(redraw,0));
}
#endif // OWL_CHECKBOX_H