home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Programming Languages Suite
/
ProgramD2.iso
/
Borland
/
Borland C++ V5.02
/
OWLINC.PAK
/
CLIPVIEW.H
< prev
next >
Wrap
C/C++ Source or Header
|
1997-05-06
|
2KB
|
89 lines
//----------------------------------------------------------------------------
// ObjectWindows
// Copyright (c) 1992, 1997 by Borland International, All Rights Reserved
//
//$Revision: 10.3 $
//
// Mixin class TClipboardViewer that allows a TWindow derived class to hook in
// on the clipboard notification chain.
//----------------------------------------------------------------------------
#if !defined(OWL_CLIPVIEW_H)
#define OWL_CLIPVIEW_H
#if !defined(OWL_WINDOW_H)
# include <owl/window.h>
#endif
#if defined(BI_NAMESPACE)
namespace OWL {
#endif
// Generic definitions/compiler options (eg. alignment) preceeding the
// definition of classes
#include <services/preclass.h>
//
// class TClipboardViewer
// ~~~~~ ~~~~~~~~~~~~~~~~
// Mix-in class that registers as a clipboard viewer when the user interface
// element is created and removes itself from the clipboard-viewer chain when
// it is destroyed
//
class _OWLCLASS TClipboardViewer : virtual public TWindow {
protected:
TClipboardViewer();
TClipboardViewer(HWND hWnd, TModule* module = 0);
TEventStatus DoChangeCBChain(HWND hWndRemoved, HWND hWndNext);
TEventStatus DoDestroy();
TEventStatus DoDrawClipboard(); // pass to next window in clipboard-viewer chain
// Override method defined by TWindow
//
void SetupWindow();
// Message response functions
//
void EvChangeCBChain(HWND hWndRemoved, HWND hWndNext);
void EvDestroy();
void EvDrawClipboard(); // pass to next window in clipboard-viewer chain
HWND GetNextWindow() const;
void SetNextWindow(HWND hwndnext);
protected_data:
THandle HWndNext; // Next window in clipboard-viewer chain
private:
// Hidden to prevent accidental copying or assignment
//
TClipboardViewer(const TClipboardViewer&);
TClipboardViewer& operator =(const TClipboardViewer&);
DECLARE_RESPONSE_TABLE(TClipboardViewer);
DECLARE_CASTABLE;
};
// Generic definitions/compiler options (eg. alignment) following the
// definition of classes
#include <services/posclass.h>
#if defined(BI_NAMESPACE)
} // namespace OWL
#endif
//
// Inline implementations
//
//
inline HWND TClipboardViewer::GetNextWindow() const {
return HWndNext;
}
//
inline void TClipboardViewer::SetNextWindow(HWND hwndnext) {
HWndNext = hwndnext;
}
#endif // OWL_CLIPVIEW_H