windows-nt/Source/XPSP1/NT/admin/netui/common/h/bltcc.hxx

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/**********************************************************************/
/** Microsoft Windows/NT **/
/** Copyright(c) Microsoft Corp., 1991 **/
/**********************************************************************/
/*
bltcc.hxx
Custom control header file
This is the parent class for all the custom control objects.
This class is acted as a shadow class and provide those
OnXXX method from DISPATCHER class to all the CC objects.
FILE HISTORY:
terryk 16-Apr-1991 Created
terryk 20-Jun-1991 First code review changed. Attend: beng
terryk 05-Jul-1991 Second code review changed. Attend:
beng chuckc rustanl annmc terryk
terryk 03-Aug-1991 Change Dispatch return type to ULONG
beng 28-May-1992 Major shuffling between bltcc and bltdisph
*/
#ifndef _BLTCC_HXX_
#define _BLTCC_HXX_
DLL_CLASS EVENT; // <bltevent.hxx>
DLL_CLASS XYPOINT;
DLL_CLASS QMOUSEACT_EVENT;
extern "C"
{
extern LPARAM _EXPORT APIENTRY BltCCWndProc( HWND hwnd, UINT nMsg,
WPARAM wParam, LPARAM lParam );
}
/*********************************************************************
NAME: CUSTOM_CONTROL
SYNOPSIS: Custom control object class definition
INTERFACE:
CUSTOM_CONTROL() - constructor
~CUSTOM_CONTROL() - destructor
OnQDlgCode() - let cc return dialog code
OnQHitTest() - let cc return window mouse hit-test
OnQMouseActivate() - let cc be activated by mouseclick
OnQMouseCursor() - let cc change the window cursor
PARENT: DISPATCHER
USES: EVENT, PROC_INSTANCE, WINDOW, XYPOINT, QMOUSEACT_EVENT
CAVEATS: All the custom control objects must use CUSTOM_CONTROL
class as their parent class.
The constructor of this class will set the call back
function to Dispatcher's WndProc.
HISTORY:
terryk 15-May-91 Created
beng 17-Oct-1991 Win32 conversion
beng 15-May-1992 Added OnQDlgCode member
beng 18-May-1992 Added OnQHitTest, OnQMouseActivate members
beng 21-May-1992 Added OnQMouseCursor
beng 28-May-1992 Major bltcc vs. bltdisph reshuffle
**********************************************************************/
DLL_CLASS CUSTOM_CONTROL: public DISPATCHER
{
private:
CONTROL_WINDOW *_pctrl;
PROC_INSTANCE _instance; // Dispatcher WndProc
MFARPROC _lpfnOldWndProc; // original window class's WndProc
protected:
LPARAM SubClassWndProc( const EVENT & event );
public:
CUSTOM_CONTROL( CONTROL_WINDOW * pctrl );
~CUSTOM_CONTROL();
CONTROL_WINDOW * QueryControlWin() const
{ return _pctrl; }
VOID CVSaveValue( BOOL fInvisible = TRUE );
VOID CVRestoreValue( BOOL fInvisible = TRUE );
static LPARAM WndProc( HWND hwnd, UINT nMsg, WPARAM wParam, LPARAM lParam );
};
#endif // _BLTCC_HXX_