TRACK.H

/******************************************************************************\ 
*       This is a part of the Microsoft Source Code Samples.  
*       Copyright 1992 - 1998 Microsoft Corporation. 
*       All rights reserved.  
*       This source code is only intended as a supplement to  
*       Microsoft Development Tools and/or WinHelp documentation. 
*       See these sources for detailed information regarding the  
*       Microsoft samples programs. 
\******************************************************************************/ 
 
/* track.h - header file for doTrackObject support */ 
 
 
/* special messages for doTrackobject(). */ 
#define TROB_NEW         WM_USER+1 
#define TROB_DELETE      WM_USER+2 
#define TROB_PAINT       WM_USER+3 
#define TROB_HITTEST     WM_USER+5 
 
 
/* Different "Track modes." */ 
#define TMNONE    0x0000 
#define TMMOVE    0x0001 
#define TMSIZEX   0x0002 
#define TMSIZEY   0x0004 
#define TMSIZEXY  0x0006 
#define TMSHEARX  0x0010 
#define TMSHEARY  0x0020 
#define TMROTATE  0x0008 
#define TMALL     0x00ff 
 
 
 
/* structure for the track object.  */ 
typedef struct tagTrackObject{ 
    RECT   rect; 
    XFORM  xfmChange;   /* World coordinate transform      */ 
    XFORM  xfmDown;     /* transform when the mouse down happens. */ 
    HDC    hdc; 
    int    Mode;        /* TMROTATE, TMSIZEXY, TMMOVE, ... */ 
    int    allowedModes; 
    RECT   rectClip; 
    struct tagTrackObject* Next; 
} TrackObject, *PTrackObject; 
 
 
/* function prototypes. */ 
PTrackObject doTrackObject(PTrackObject, int, HWND, LONG); 
VOID MouseMove(PTrackObject, int, HWND, LONG);