Leaked source code of windows server 2003
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/*
* standard table class.
*
* print functions.
*
* see table.h for interface description
*/
#include <precomp.h>
#include "gutilsrc.h"
#include "table.h"
#include "tpriv.h"
/* in tpaint.c, calls GetTextExtentPoint */
extern int GetTextExtent(HDC, LPSTR, int);
extern HANDLE hLibInst;
/* function prototypes */
lpTable gtab_printsetup(HWND hwnd, lpTable ptab, HANDLE heap,
lpPrintContext pcontext);
BOOL gtab_prtwidths(HWND hwnd, lpTable ptab, HANDLE heap, lpPrintContext
pcontext);
void gtab_printjob(HWND hwnd, lpTable ptab, lpPrintContext pcontext);
int APIENTRY AbortProc(HDC hpr, int code);
INT_PTR CALLBACK AbortDlg(HWND hdlg, UINT msg, WPARAM wParam, LPARAM lParam);
BOOL gtab_printpage(HWND hwnd, lpTable ptab, lpPrintContext pcontext, int page);
void gtab_setrects(lpPrintContext pcontext, LPRECT rcinner, LPRECT rcouter);
void gtab_printhead(HWND hwnd, HDC hdc, lpTable ptab, lpTitle head, int page, BOOL fExpandChars);
/*
* gtab_print
*/
BOOL
gtab_print(HWND hwnd, lpTable ptab, HANDLE heap, lpPrintContext pcontext)
{
BOOL fNoContext, fNoMargin, fNoPD;
BOOL fSuccess = TRUE;
lpTable ptab_prt;
fNoContext = FALSE;
fNoPD = FALSE;
fNoMargin = FALSE;
if (pcontext == NULL) {
fNoContext = TRUE;
pcontext = (lpPrintContext) gmem_get(heap,
sizeof(PrintContext));
pcontext->head = pcontext->foot = NULL;
pcontext->margin = NULL;
pcontext->pd = NULL;
pcontext->id = 0;
}
if (pcontext->pd == NULL) {
fNoPD = TRUE;
}
if (pcontext->margin == NULL) {
fNoMargin = TRUE;
}
ptab_prt = gtab_printsetup(hwnd, ptab, heap, pcontext);
if (ptab_prt != NULL) {
gtab_printjob(hwnd, ptab_prt, pcontext);
gtab_deltable(hwnd, ptab_prt);
} else fSuccess = FALSE;
if (fNoMargin) {
gmem_free(heap, (LPSTR)pcontext->margin,
sizeof(Margin));
pcontext->margin = NULL;
}
if (fNoPD) {
if (pcontext->pd->hDevMode != NULL) {
GlobalFree(pcontext->pd->hDevMode);
}
if (pcontext->pd->hDevNames != NULL) {
GlobalFree(pcontext->pd->hDevNames);
}
gmem_free(heap, (LPSTR) pcontext->pd, sizeof(PRINTDLG));
pcontext->pd = NULL;
}
if (fNoContext) {
gmem_free(heap, (LPSTR) pcontext, sizeof(PrintContext));
}
return fSuccess;
}
/*
* gtab_printsetup()
*
* sets up printercontext - builds lpTable for printer, incl. sizing
* and initialises pcontext fields that may be null.
*/
lpTable
gtab_printsetup(HWND hwnd, lpTable ptab, HANDLE heap, lpPrintContext pcontext)
{
lpTable pprttab;
PRINTDLG FAR * pd;
int ncols, i;
ColPropsList cplist;
/* set fields for context that user left null */
if (pcontext->margin == NULL) {
pcontext->margin = (lpMargin) gmem_get(heap, sizeof(Margin));
if (pcontext->margin == NULL) {
return(NULL);
}
pcontext->margin->left = 10;
pcontext->margin->right = 10;
pcontext->margin->top = 15;
pcontext->margin->bottom = 15;
pcontext->margin->topinner = 15;
pcontext->margin->bottominner = 15;
}
if (pcontext->pd == NULL) {
pd = (PRINTDLG FAR *) gmem_get(heap, sizeof(PRINTDLG));
if (pd == NULL) {
return(NULL);
}
pcontext->pd = pd;
pd->lStructSize = sizeof(PRINTDLG);
pd->hwndOwner = hwnd;
pd->hDevMode = (HANDLE) NULL;
pd->hDevNames = (HANDLE) NULL;
pd->Flags = PD_RETURNDC|PD_RETURNDEFAULT;
if (PrintDlg(pd) == FALSE) {
return(NULL);
}
}
/* now create a Table struct by querying the owner */
pprttab = (lpTable) gmem_get(heap, sizeof(Table));
if (pprttab == NULL) {
return(NULL);
}
pprttab->hdr = ptab->hdr;
pprttab->tabchars = ptab->tabchars;
pprttab->show_whitespace = ptab->show_whitespace;
/* get the row/column count from owner window */
if (pcontext->id == 0) {
pprttab->hdr.id = ptab->hdr.id;
} else {
pprttab->hdr.id = pcontext->id;
}
pprttab->hdr.props.valid = 0;
pprttab->hdr.sendscroll = FALSE;
if (gtab_sendtq(hwnd, TQ_GETSIZE, (LPARAM)&pprttab->hdr) == FALSE) {
return(NULL);
}
/* alloc and init the col data structs */
ncols = pprttab->hdr.ncols;
pprttab->pcolhdr = (lpColProps) gmem_get(heap, sizeof(ColProps) * ncols);
if (pprttab->pcolhdr == NULL) {
gmem_free(heap, (LPSTR)pprttab, sizeof(Table));
return(NULL);
}
/* init col properties to default */
for (i=0; i < ncols; i++) {
pprttab->pcolhdr[i].props.valid = 0;
pprttab->pcolhdr[i].nchars = 0;
}
/* get the column props from owner */
cplist.plist = pprttab->pcolhdr;
cplist.id = pprttab->hdr.id;
cplist.startcol = 0;
cplist.ncols = ncols;
gtab_sendtq(hwnd, TQ_GETCOLPROPS, (LPARAM)&cplist);
pprttab->scrollscale = 1;
pprttab->pcellpos = (lpCellPos) gmem_get(heap,
sizeof(CellPos) * ptab->hdr.ncols);
if (pprttab->pcellpos == NULL) {
gmem_free(heap, (LPSTR) pprttab->pcolhdr, sizeof(ColProps) * ncols);
gmem_free(heap, (LPSTR)pprttab, sizeof(Table));
return(NULL);
}
pprttab->pdata = NULL;
pprttab->nlines = 0;
if (!gtab_prtwidths(hwnd, pprttab, heap, pcontext)) {
gmem_free(heap, (LPSTR)pprttab->pcellpos,
sizeof(CellPos) * ptab->hdr.ncols);
gmem_free(heap, (LPSTR)pprttab, sizeof(Table));
return(NULL);
}
return(pprttab);
}
/* calc the height/width settings and alloc line data */
BOOL
gtab_prtwidths(HWND hwnd, lpTable ptab, HANDLE heap, lpPrintContext pcontext)
{
TEXTMETRIC tm;
int cx, cxtotal, i, curx, cury;
lpProps hdrprops, cellprops;
lpCellPos xpos, ypos;
RECT rcinner, rcouter;
hdrprops = &ptab->hdr.props;
GetTextMetrics(pcontext->pd->hDC, &tm);
ptab->avewidth = tm.tmAveCharWidth;
ptab->rowheight = tm.tmHeight + tm.tmExternalLeading;
if (hdrprops->valid & P_HEIGHT) {
ptab->rowheight = hdrprops->height;
}
/* set sizes for headers */
gtab_setrects(pcontext, &rcinner, &rcouter);
/* set width/pos for each col. */
cxtotal = 0;
curx = rcinner.left;
for (i = 0; i < ptab->hdr.ncols; i++) {
cellprops = &ptab->pcolhdr[i].props;
xpos = &ptab->pcellpos[i];
if (cellprops->valid & P_WIDTH) {
cx = cellprops->width;
} else if (hdrprops->valid & P_WIDTH) {
cx = hdrprops->width;
} else {
cx = ptab->pcolhdr[i].nchars + 1;
cx *= ptab->avewidth;
}
/* add 2 for intercol spacing */
cx += 2;
xpos->size = cx;
xpos->start = curx + 1;
xpos->clipstart = xpos->start;
xpos->clipend = xpos->start + xpos->size - 2;
xpos->clipend = min(xpos->clipend, rcinner.right);
cxtotal += xpos->size;
curx += xpos->size;
}
ptab->rowwidth = cxtotal;
if (pcontext->head != NULL) {
xpos = &pcontext->head->xpos;
ypos = &pcontext->head->ypos;
xpos->start = rcouter.left + 1;
xpos->clipstart = rcouter.left + 1;
xpos->clipend = rcouter.right - 1;
xpos->size = rcouter.right - rcouter.left;
ypos->start = rcouter.top;
ypos->clipstart = rcouter.top;
ypos->clipend = rcinner.top;
ypos->size = ptab->rowheight;
}
if (pcontext->foot != NULL) {
xpos = &pcontext->foot->xpos;
ypos = &pcontext->foot->ypos;
xpos->start = rcouter.left + 1;
xpos->clipstart = rcouter.left + 1;
xpos->clipend = rcouter.right - 1;
xpos->size = rcouter.right - rcouter.left;
ypos->start = rcouter.bottom - ptab->rowheight;
ypos->clipstart = rcinner.bottom;
ypos->clipend = rcouter.bottom;
ypos->size = ptab->rowheight;
}
/* set nr of lines per page */
ptab->nlines = (rcinner.bottom - rcinner.top) / ptab->rowheight;
if (!gtab_alloclinedata(hwnd, heap, ptab)) {
return(FALSE);
}
/* set line positions */
cury = rcinner.top;
for (i = 0; i < ptab->nlines; i++) {
ypos = &ptab->pdata[i].linepos;
ypos->start = cury;
ypos->clipstart = ypos->start;
ypos->clipend = ypos->start + ypos->size;
ypos->clipend = min(ypos->clipend, rcinner.bottom);
cury += ypos->size;
}
return(TRUE);
}
/* static information for this module */
BOOL bAbort;
FARPROC lpAbortProc;
//DLGPROC lpAbortDlg;
HWND hAbortWnd;
int npage;
int pages;
void
gtab_printjob(HWND hwnd, lpTable ptab, lpPrintContext pcontext)
{
int moveables;
int endpage;
int startpage = 1;
HDC hpr;
int status;
HANDLE hcurs;
static char str[256];
DOCINFO di;
TCHAR szPage[60]; /* for LoadString */
hcurs = SetCursor(LoadCursor(NULL, IDC_WAIT));
moveables = ptab->nlines - ptab->hdr.fixedrows;
pages = (int) (ptab->hdr.nrows - ptab->hdr.fixedrows + moveables - 1)
/ moveables;
endpage = pages;
if (pcontext->pd->Flags & PD_PAGENUMS) {
startpage = pcontext->pd->nFromPage;
endpage = pcontext->pd->nToPage;
}
hpr = pcontext->pd->hDC;
//lpAbortDlg = (DLGPROC) MakeProcInstance((WINPROCTYPE) AbortDlg, hLibInst);
lpAbortProc = (FARPROC) MakeProcInstance((WINPROCTYPE)AbortProc, hLibInst);
SetAbortProc(hpr, (ABORTPROC) lpAbortProc);
di.lpszDocName = "Table";
di.cbSize = lstrlen(di.lpszDocName);
di.lpszOutput = NULL;
di.lpszDatatype = NULL;
di.fwType = 0;
StartDoc(hpr, &di);
bAbort = FALSE;
/* add abort modeless dialog later!! */
//hAbortWnd = CreateDialog(hLibInst, "GABRTDLG", hwnd, lpAbortDlg);
hAbortWnd = CreateDialog(hLibInst, "GABRTDLG", hwnd, AbortDlg);
if (hAbortWnd != NULL) {
ShowWindow(hAbortWnd, SW_NORMAL);
EnableWindow(hwnd, FALSE);
}
SetCursor(hcurs);
status = 0; /* kills a "used without init" diagnostic */
for (npage = startpage; npage<=endpage; npage++) {
LoadString(hLibInst,IDS_PAGE_STR,szPage,sizeof(szPage));
wsprintf(str, szPage, npage, pages);
if (hAbortWnd != NULL)
SetDlgItemText(hAbortWnd, IDC_LPAGENR, str);
status = gtab_printpage(hwnd, ptab, pcontext, npage);
if (status < 0) {
AbortDoc(hpr);
break;
}
}
if (status >= 0) {
EndDoc(hpr);
}
if (hAbortWnd != NULL) {
EnableWindow(hwnd, TRUE);
DestroyWindow(hAbortWnd);
}
//FreeProcInstance((WINPROCTYPE) lpAbortDlg);
FreeProcInstance(lpAbortProc);
DeleteDC(hpr);
}
int APIENTRY
AbortProc(HDC hpr, int code)
{
MSG msg;
if (!hAbortWnd) {
return(TRUE);
}
while (!bAbort && PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
if (!IsDialogMessage(hAbortWnd, &msg)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
return(!bAbort);
}
INT_PTR CALLBACK
AbortDlg(HWND hdlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg) {
case WM_COMMAND:
bAbort = TRUE;
EndDialog(hdlg, TRUE);
return TRUE;
case WM_INITDIALOG:
return TRUE;
}
return(FALSE);
}
/*
* print a single page. page number is 1-based
*/
BOOL
gtab_printpage(HWND hwnd, lpTable ptab, lpPrintContext pcontext, int page)
{
HDC hpr;
int moveables, i;
int x1, y1, x2, y2;
hpr = pcontext->pd->hDC;
StartPage(hpr);
moveables = ptab->nlines - ptab->hdr.fixedrows;
ptab->toprow = moveables * (page-1);
gtab_invallines(hwnd, ptab, ptab->hdr.fixedrows, moveables);
for (i =0; i < ptab->nlines; i++) {
gtab_paintline(hwnd, hpr, ptab, i, ptab->show_whitespace, TRUE);
}
if ((ptab->hdr.vseparator) && (ptab->hdr.fixedcols > 0)) {
x1 = ptab->pcellpos[ptab->hdr.fixedcols -1].clipend+1;
y1 = ptab->pdata[0].linepos.clipstart;
y2 = ptab->pdata[ptab->nlines-1].linepos.clipend;
MoveToEx(hpr, x1, y1, NULL);
LineTo(hpr, x1, y2);
}
if ((ptab->hdr.hseparator) && (ptab->hdr.fixedrows > 0)) {
y1 = ptab->pdata[ptab->hdr.fixedrows-1].linepos.clipend;
x1 = ptab->pcellpos[0].clipstart;
x2 = ptab->pcellpos[ptab->hdr.ncols-1].clipend;
MoveToEx(hpr, x1, y1, NULL);
LineTo(hpr, x2, y1);
}
if (pcontext->head != NULL) {
gtab_printhead(hwnd, hpr, ptab, pcontext->head, page, FALSE);
}
if (pcontext->foot != NULL) {
gtab_printhead(hwnd, hpr, ptab, pcontext->foot, page, TRUE);
}
return(EndPage(hpr));
}
/*
* calculate the outline positions in pixels for the headers
* (outer rect) and for the page itself (inner rect). Based on
* page size and PrintContext margin info (which is in millimetres).
*/
void
gtab_setrects(lpPrintContext pcontext, LPRECT rcinner, LPRECT rcouter)
{
HDC hpr;
int hpixels, hmms;
int vpixels, vmms;
int h_pixpermm, v_pixpermm;
hpr = pcontext->pd->hDC;
hpixels = GetDeviceCaps(hpr, HORZRES);
vpixels = GetDeviceCaps(hpr, VERTRES);
vmms = GetDeviceCaps(hpr, VERTSIZE);
hmms = GetDeviceCaps(hpr, HORZSIZE);
h_pixpermm = hpixels / hmms;
v_pixpermm = vpixels / vmms;
rcouter->top = (pcontext->margin->top * v_pixpermm);
rcouter->bottom = vpixels - (pcontext->margin->bottom * v_pixpermm);
rcouter->left = (pcontext->margin->left * h_pixpermm);
rcouter->right = hpixels - (pcontext->margin->right * h_pixpermm);
rcinner->left = rcouter->left;
rcinner->right = rcouter->right;
rcinner->top = rcouter->top +
(pcontext->margin->topinner * v_pixpermm);
rcinner->bottom = rcouter->bottom -
(pcontext->margin->bottominner * v_pixpermm);
}
void
gtab_printhead(HWND hwnd, HDC hdc, lpTable ptab, lpTitle head, int page, BOOL fExpandChars)
{
RECT rc, rcbox;
int i, cx, x, y, tab;
UINT align;
LPSTR chp, tabp;
DWORD fcol, bkcol;
char str[MAX_PATH * 2];
fcol = 0; bkcol = 0; /* eliminate spurious diagnostic - generate worse code */
rc.top = head->ypos.clipstart;
rc.bottom = head->ypos.clipend;
rc.left = head->xpos.clipstart;
rc.right = head->xpos.clipend;
/* update page number */
if (fExpandChars) {
chp = str;
for (i = 0; i < lstrlen(head->ptext); i++) {
switch (head->ptext[i]) {
case '#':
chp += wsprintf(chp, "%d", page);
break;
case '$':
chp += wsprintf(chp, "%d", pages);
break;
default:
if (IsDBCSLeadByte(head->ptext[i]) &&
head->ptext[i+1])
{
*chp = head->ptext[i];
chp++;
i++;
}
*chp++ = head->ptext[i];
break;
}
}
*chp = '\0';
} else {
lstrcpy(str, head->ptext);
}
chp = str;
if (head->props.valid & P_ALIGN) {
align = head->props.alignment;
} else {
align = P_LEFT;
}
/* set colours if not default */
if (head->props.valid & P_FCOLOUR) {
fcol = SetTextColor(hdc, head->props.forecolour);
}
if (head->props.valid & P_BCOLOUR) {
bkcol = SetBkColor(hdc, head->props.backcolour);
}
/* calc offset of text within cell for right-align or centering */
if (align == P_LEFT) {
cx = ptab->avewidth/2;
} else {
cx = LOWORD(GetTextExtent(hdc, chp, lstrlen(chp)));
if (align == P_CENTRE) {
cx = (head->xpos.size - cx) / 2;
} else {
cx = head->xpos.size - cx - (ptab->avewidth/2);
}
}
cx += head->xpos.start;
/* expand tabs on output */
tab = ptab->avewidth * ptab->tabchars;
x = 0;
y = head->ypos.start;
for ( ; (tabp = My_mbschr(chp, '\t')) != NULL; ) {
/* perform output upto tab char */
ExtTextOut(hdc, x+cx, y, ETO_CLIPPED, &rc, chp, (UINT)(tabp-chp), NULL);
/* advance past the tab */
x += LOWORD(GetTextExtent(hdc, chp, (INT)(tabp - chp)));
x = ( (x + tab) / tab) * tab;
chp = ++tabp;
}
/*no more tabs - output rest of string */
ExtTextOut(hdc, x+cx, y, ETO_CLIPPED, &rc, chp, lstrlen(chp), NULL);
/* reset colours to original if not default */
if (head->props.valid & P_FCOLOUR) {
SetTextColor(hdc, fcol);
}
if (head->props.valid & P_BCOLOUR) {
SetBkColor(hdc, bkcol);
}
/* now box cell if marked */
if (head->props.valid & P_BOX) {
if (head->props.box != 0) {
rcbox.top = head->ypos.start;
rcbox.bottom = rcbox.top + head->ypos.size;
rcbox.left = head->xpos.start;
rcbox.right = rcbox.left + head->xpos.size;
gtab_boxcell(hwnd, hdc, &rcbox, &rc, head->props.box);
}
}
}