TPRIV.H

/******************************************************************************\ 
*       This is a part of the Microsoft Source Code Samples.  
*       Copyright 1993 - 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. 
\******************************************************************************/ 
 
/* 
 * TPRIV.H 
 * 
 * Data structures used internally by table class. 
 * 
 * Note: include after table.h 
 */ 
 
 
#ifndef abs 
#define abs(x)  (((x) > 0)? (x) : -(x)) 
#endif 
 
/*  one of these per visible line */ 
typedef struct { 
        CellPos linepos;        /* posn and clipping info for line */ 
 
        lpCellData pdata;       /* array of CellData structs for all cells */ 
} LineData, FAR * lpLineData; 
 
 
/* master info struct pointed to by window extra bytes */ 
 
typedef struct { 
        /* table info */ 
        TableHdr        hdr;            /* main hdr info from owner */ 
        lpColProps      pcolhdr;        /* ptr to array of phdr->ncols hdrs */ 
 
        /* window info */ 
        int     avewidth;       /* font ave width - for default cell sizing */ 
        int     rowheight;      /* height of one row */ 
        int     rowwidth;       /* total width of one row in pixels */ 
        int     winwidth;       /* width of window */ 
        int     nlines;         /* actual lines currently visible */ 
         
        lpCellPos pcellpos;     /* array of cell position structs */ 
 
        /* scroll settings */ 
        long    scrollscale;    /* scaling factor (force 16-bit range) */ 
        long    toprow;         /* 0-based rownr of top moveable line */ 
        int     scroll_dx;      /* horz scroll posn in pixels. */ 
 
        /* column data */ 
        lpLineData pdata;       /* ptr to array of nlines of LineData */ 
 
        /* selection/dragging */ 
        UINT    trackmode;      /* current mouse-tracking mode */ 
        int     tracknr;        /* col or row being resized */ 
        int     trackline1;     /* currently drawn track lines */ 
        int     trackline2; 
        BOOL    selvisible;     /* used during mouse-down: T if sel drawn */ 
        TableSelection select; 
 
} Table, FAR * lpTable; 
 
/* trackmode constants */ 
#define TRACK_NONE              0 
#define TRACK_COLUMN            1 
#define TRACK_CELL              2 
 
/* private flags in CellData struct */ 
#define CELL_VALID      1 
 
/* window extra bytes are used to hold the owner, heap and Table structs */ 
#define WW_OWNER        0                               /* HWND of owner */ 
#define WW_HEAP         (WW_OWNER + sizeof(HWND))       /* gmem heap */ 
#define WL_TABLE        (WW_HEAP + sizeof(HANDLE))      /* lpTable */ 
#define WLTOTAL         (WL_TABLE + sizeof(lpTable))    /* total extra bytes */ 
 
/* ---------- global data -------------------*/ 
 
extern HPEN hpenDotted;         /* in table.c */ 
extern HANDLE hVertCurs;        /* in table.c */ 
extern HANDLE hNormCurs;        /* in table.c */ 
 
/*------function prototypes ---------------------------------------*/ 
 
/* in table.c */ 
 
void gtab_init(void);    /* called from DLL startup function */ 
long gtab_sendtq(HWND hwnd, UINT cmd, long lParam); 
void gtab_invallines(HWND hwnd, lpTable ptab, int start, int count); 
void gtab_setsize(HWND hwnd, lpTable ptab); 
void gtab_calcwidths(HWND hwnd, lpTable ptab); 
void gtab_deltable(HWND hwnd, lpTable ptab); 
BOOL gtab_alloclinedata(HWND hwnd, HANDLE heap, lpTable ptab); 
 
/* in tpaint.c */ 
void gtab_paint(HWND hwnd, HDC hdc, lpTable ptab, int line); 
void gtab_vsep(HWND hwnd, lpTable ptab, HDC hdc); 
void gtab_hsep(HWND hwnd, lpTable ptab, HDC hdc); 
void gtab_invertsel(HWND hwnd, lpTable ptab, HDC hdc_in); 
void gtab_drawvertline(HWND hwnd, lpTable ptab); 
 
/* in tscroll.c */ 
void gtab_dovscroll(HWND hwnd, lpTable ptab, long change); 
void gtab_dohscroll(HWND hwnd, lpTable ptab, long change); 
long gtab_linetorow(HWND hwnd, lpTable ptab, int line); 
int gtab_rowtoline(HWND hwnd, lpTable ptab, long row); 
void gtab_msg_vscroll(HWND hwnd, lpTable ptab, int opcode, int pos); 
void gtab_msg_hscroll(HWND hwnd, lpTable ptab, int opcode, int pos); 
void gtab_select(HWND hwnd, lpTable ptab, long row, long col, long nrows, 
        long ncells, BOOL bNotify); 
void gtab_enter(HWND hwnd, lpTable ptab, long row, long col, long nrows, 
        long ncells); 
void gtab_press(HWND hwnd, lpTable ptab, int x, int y); 
void gtab_release(HWND hwnd, lpTable ptab, int x, int y); 
void gtab_move(HWND hwnd, lpTable ptab, int x, int y); 
void gtab_dblclick(HWND hwnd, lpTable ptab, int x, int y); 
void gtab_showsel(HWND hwnd, lpTable ptab, BOOL bToBottom); 
void gtab_showsel_middle(HWND hwnd, lpTable ptab); 
int gtab_key(HWND hwnd, lpTable ptab, int vkey); 
 
/* in tprint.c */ 
void gtab_print(HWND hwnd, lpTable ptab, HANDLE heap, lpPrintContext pcontext); 
void gtab_boxcell(HWND hwnd, HDC hdc, LPRECT rcp, LPRECT pclip, UINT boxmode);