Leaked source code of windows server 2003
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/*
* tpriv.h
*
* data structures used internally by table class.
*
* 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, *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;
// tab expansion
int tabchars;
// show whitespace chars
BOOL show_whitespace;
} Table, *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 */
INT_PTR gtab_sendtq(HWND hwnd, UINT cmd, LPARAM 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);
void gtab_paintline(HWND hwnd, HDC hdc, lpTable ptab, int line, BOOL show_whitespace, BOOL fPrinting);
void gtab_paintunused(HWND hwnd, HDC hdc, lpTable ptab, int y);
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_rightclick(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, long dyRowsFromTop);
int gtab_key(HWND hwnd, lpTable ptab, int vkey);
int gtab_mousewheel(HWND hwnd, lpTable ptab, DWORD fwKeys, int zDelta);
/* in tprint.c */
BOOL gtab_print(HWND hwnd, lpTable ptab, HANDLE heap, lpPrintContext pcontext);
void gtab_boxcell(HWND hwnd, HDC hdc, LPRECT rcp, LPRECT pclip, UINT boxmode);