Source code of Windows XP (NT5)
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1614 lines
42 KiB

/*++
Copyright (C) Microsoft Corporation, 1995 - 1999
All rights reserved.
Module Name:
forms.cxx
Abstract:
Printer Forms
Author:
Steve Kiraly (SteveKi) 11/20/95
Lazar Ivanov (LazarI) Jun-2000 (major changes)
Revision History:
--*/
#include "precomp.hxx"
#pragma hdrstop
#include "forms.hxx"
DWORD pEntryFields[] = { IDD_FM_EF_WIDTH,
IDD_FM_EF_HEIGHT,
IDD_FM_EF_LEFT,
IDD_FM_EF_RIGHT,
IDD_FM_EF_TOP,
IDD_FM_EF_BOTTOM,
0 };
DWORD pTextFields[] = { IDD_FM_TX_WIDTH,
IDD_FM_TX_HEIGHT,
IDD_FM_TX_LEFT,
IDD_FM_TX_RIGHT,
IDD_FM_TX_TOP,
IDD_FM_TX_BOTTOM,
0 };
/*++
Routine Name:
TPropDriverExists
Routine Description:
Fix the server handle. This routine tries to use a
server handle to enum the forms on the specified machine.
Arguments:
hPrintServer,
pszServerName,
bAdministrator,
*phPrinter
Return Value:
Possible return values
HANDLE_FIX_NOT_NEEDED
HANDLE_FIXED_NEW_HANDLE_RETURNED
HANDLE_NEEDS_FIXING_NO_PRINTERS_FOUND
--*/
UINT
sFormsFixServerHandle(
IN HANDLE hPrintServer,
IN LPCTSTR pszServerName,
IN BOOL bAdministrator,
IN HANDLE *phPrinter
)
{
// Check if server handle can be used.
PFORM_INFO_1 pFormInfo;
DWORD dwNumberOfForms;
BOOL bStatus;
bStatus = bEnumForms(
hPrintServer,
1,
(PBYTE *)&pFormInfo,
&dwNumberOfForms );
// Server handle succeeded.
if( bStatus && dwNumberOfForms )
{
FreeMem(pFormInfo);
return HANDLE_FIX_NOT_NEEDED;
}
// Enumerate the printers on the specified server looking for a printer.
PRINTER_INFO_2 *pPrinterInfo2 = NULL;
DWORD cPrinterInfo2 = 0;
DWORD cbPrinterInfo2 = 0;
DWORD dwFlags = PRINTER_ENUM_NAME;
bStatus = VDataRefresh::bEnumPrinters(
dwFlags,
(LPTSTR)pszServerName,
2,
(PVOID *)&pPrinterInfo2,
&cbPrinterInfo2,
&cPrinterInfo2);
// If success and at least one printer was enumerated.
if( bStatus && cPrinterInfo2 )
{
TStatus Status;
Status DBGNOCHK = ERROR_INVALID_FUNCTION;
DWORD dwAccess = 0;
for( UINT i = 0; i < cPrinterInfo2; i++ )
{
// Attempt to open the printer using the specified access.
dwAccess = 0;
Status DBGCHK = TPrinter::sOpenPrinter(pPrinterInfo2[i].pPrinterName,
&dwAccess,
phPrinter);
// Done if a valid printer handle was returned.
if( Status == ERROR_SUCCESS )
{
break;
}
else
{
DBGMSG(DBG_WARN, ( "Error opening printer \"" TSTR "\".\n", pPrinterInfo2[i].pPrinterName));
}
}
// Release the printer enumeration buffer.
FreeMem(pPrinterInfo2);
//
// Return the new handle value. Note: Access privilage
// may have changed.
//
DWORD dwAccessType;
if( Status == ERROR_SUCCESS )
{
dwAccessType = bAdministrator ? PRINTER_ALL_ACCESS : PRINTER_READ;
return (dwAccess == dwAccessType ?
HANDLE_FIXED_NEW_HANDLE_RETURNED :
HANDLE_FIXED_NEW_HANDLE_RETURNED_ACCESS_CHANGED);
}
}
// Error no printers were found using the specifed server handle.
return HANDLE_NEEDS_FIXING_NO_PRINTERS_FOUND;
}
PVOID
FormsInit(
IN LPCTSTR pszServerName,
IN HANDLE hPrintServer,
IN BOOL bAdministrator,
IN LPCTSTR pszComputerName
)
{
FORMS_DLG_DATA *pFormsDlgData = (FORMS_DLG_DATA *)AllocMem(sizeof(*pFormsDlgData));
if( pFormsDlgData )
{
// initialize the forms dialog data here.
ZeroMemory(pFormsDlgData, sizeof(*pFormsDlgData));
// set the forms dialog data.
pFormsDlgData->pServerName = (LPTSTR)pszServerName;
pFormsDlgData->AccessGranted = bAdministrator;
pFormsDlgData->hPrinter = hPrintServer;
pFormsDlgData->bNeedClose = FALSE;
pFormsDlgData->pszComputerName= pszComputerName;
// get the current metric setting.
pFormsDlgData->uMetricMeasurement = !((BOOL)GetProfileInt(TEXT( "intl" ), TEXT("iMeasure"), 0));
// get decimal point setting.
GetProfileString(TEXT( "intl" ), TEXT( "sDecimal" ), TEXT( "." ),
pFormsDlgData->szDecimalPoint, ARRAYSIZE(pFormsDlgData->szDecimalPoint));
// if this machine does not suport using a server handle to
// administer forms, we need to attempt to acquire a printer handle
// for the specified access and then remember to close the handle when this
// dialog terminates.
HANDLE hPrinter;
UINT Status = sFormsFixServerHandle(pFormsDlgData->hPrinter, pszServerName, bAdministrator, &hPrinter);
// there are three cases which can occurr.
switch( Status )
{
case HANDLE_FIXED_NEW_HANDLE_RETURNED:
pFormsDlgData->hPrinter = hPrinter;
pFormsDlgData->bNeedClose = TRUE;
break;
case HANDLE_NEEDS_FIXING_NO_PRINTERS_FOUND:
pFormsDlgData->hPrinter = NULL;
pFormsDlgData->AccessGranted = FALSE;
break;
case HANDLE_FIXED_NEW_HANDLE_RETURNED_ACCESS_CHANGED:
pFormsDlgData->hPrinter = hPrinter;
pFormsDlgData->bNeedClose = TRUE;
pFormsDlgData->AccessGranted = !pFormsDlgData->AccessGranted;
break;
case HANDLE_FIX_NOT_NEEDED:
break;
default:
DBGMSG( DBG_TRACE, ( "Un handled case value HANDLE_FIX.\n" ) );
break;
}
}
return pFormsDlgData;
}
VOID
FormsFini(
PVOID p
)
{
// Get pointer to forms data.
FORMS_DLG_DATA *pFormsDlgData = (FORMS_DLG_DATA *)p;
// Validate forms data pointer
if( pFormsDlgData )
{
// If printer opened ok, then we must close it.
if( pFormsDlgData->bNeedClose && pFormsDlgData->hPrinter )
{
ClosePrinter( pFormsDlgData->hPrinter );
}
// Release the forms enumeration.
FreeMem(pFormsDlgData->pFormInfo);
// Release the forms data
FreeMem(pFormsDlgData);
}
}
BOOL APIENTRY
FormsDlg(
HWND hwnd,
UINT msg,
WPARAM wparam,
LPARAM lparam
)
{
// clear the last error each time message is about to be
// handled
PFORMS_DLG_DATA pFormsDlgData =
(WM_INITDIALOG == msg ? (PFORMS_DLG_DATA)lparam :
(PFORMS_DLG_DATA)GetWindowLongPtr(hwnd, GWLP_USERDATA));
if( pFormsDlgData )
{
pFormsDlgData->dwLastError = ERROR_SUCCESS;
}
// switch madness
switch(msg)
{
case WM_INITDIALOG:
return FormsInitDialog(hwnd, pFormsDlgData);
case WM_COMMAND:
switch( LOWORD( wparam ) )
{
case IDD_FM_PB_SAVEFORM:
return FormsCommandAddForm(hwnd);
case IDD_FM_PB_DELFORM:
return FormsCommandDelForm(hwnd);
case IDD_FM_LB_FORMS:
switch (HIWORD(wparam))
{
case LBN_SELCHANGE:
return FormsCommandFormsSelChange(hwnd);
}
break;
case IDD_FM_EF_NAME:
return FormsCommandNameChange(hwnd, wparam, lparam );
case IDD_FM_RB_METRIC:
case IDD_FM_RB_ENGLISH:
return FormsCommandUnits(hwnd);
case IDD_FM_CK_NEW_FORM:
return FormsNewForms(hwnd);
}
}
return FALSE;
}
LPTSTR
AllocStr(
LPCTSTR pszStr
)
{
if( pszStr && *pszStr )
{
LPTSTR pszRet = (LPTSTR)AllocMem((lstrlen(pszStr) + 1) * sizeof(*pszRet));
if( pszRet )
{
lstrcpy(pszRet, pszStr);
return pszRet;
}
}
return NULL;
}
VOID
FreeStr(
LPTSTR pszStr
)
{
if( pszStr )
{
FreeMem((PVOID)pszStr);
}
}
/* Grey Text
*
* If the window has an ID of -1, grey it.
*/
BOOL CALLBACK GreyText( HWND hwnd, LPARAM lParam )
{
UNREFERENCED_PARAMETER( lParam );
if( GetDlgCtrlID(hwnd) == (int)(USHORT)-1 )
{
EnableWindow(hwnd, FALSE);
}
return TRUE;
}
/* Macro: FORMSDIFFER
*
* Used to determine whether two forms have any differences between them.
* The Names of the respective forms are not checked.
*/
#define FORMSDIFFER( pFormInfoA, pFormInfoB ) \
( memcmp( &(pFormInfoA)->Size, &(pFormInfoB)->Size, sizeof (pFormInfoA)->Size ) \
||memcmp( &(pFormInfoA)->ImageableArea, &(pFormInfoB)->ImageableArea, \
sizeof (pFormInfoA)->ImageableArea ) )
/*
* Initalize the forms dialog fields.
*/
BOOL FormsInitDialog(HWND hwnd, PFORMS_DLG_DATA pFormsDlgData)
{
DWORD i;
// Get forms dialog data.
SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)pFormsDlgData);
// Set the foms name limit text.
SendDlgItemMessage(hwnd, IDD_FM_EF_NAME, EM_LIMITTEXT, FORMS_NAME_MAX, 0L);
for( i = 0; pEntryFields[i]; i++ )
{
SendDlgItemMessage(hwnd, pEntryFields[i], EM_LIMITTEXT, FORMS_PARAM_MAX-1, 0L);
}
HWND hWndName;
hWndName = GetDlgItem( hwnd, IDD_FM_EF_NAME );
::SetWindowLong(hWndName, GWL_STYLE, ::GetWindowLong(hWndName, GWL_STYLE) | WS_CLIPSIBLINGS);
hWndName = GetDlgItem( hwnd, IDD_FM_DESC_GBOX );
::SetWindowLong(hWndName, GWL_STYLE, ::GetWindowLong(hWndName, GWL_STYLE) | WS_CLIPSIBLINGS);
// Set the forms title name.
SetFormsComputerName(hwnd, pFormsDlgData);
// Read the forms data
InitializeFormsData(hwnd, pFormsDlgData, FALSE);
// Set up the units default based on the current international setting:
pFormsDlgData->Units = pFormsDlgData->uMetricMeasurement;
SETUNITS(hwnd, pFormsDlgData->Units);
if( pFormsDlgData->cForms > 0 )
{
SetFormDescription(hwnd, &pFormsDlgData->pFormInfo[0], pFormsDlgData->Units);
SendDlgItemMessage(hwnd, IDD_FM_LB_FORMS, LB_SETCURSEL, 0, 0L);
}
EnableWindow(GetDlgItem( hwnd, IDD_FM_EF_NAME ), FALSE);
EnableWindow(GetDlgItem( hwnd, IDC_FORMNAME_LABEL ), FALSE);
EnableWindow(GetDlgItem( hwnd, IDD_FM_TX_NEW_FORM ), FALSE);
EnableWindow(GetDlgItem( hwnd, IDD_FM_PB_SAVEFORM ), FALSE);
EnableWindow(GetDlgItem( hwnd, IDD_FM_TX_FORMS_DESC ), TRUE);
if( FALSE == pFormsDlgData->AccessGranted )
{
EnableWindow(GetDlgItem(hwnd, IDD_FM_CK_NEW_FORM), FALSE);
EnableWindow(GetDlgItem(hwnd, IDD_FM_TX_WIDTH), FALSE);
EnableWindow(GetDlgItem(hwnd, IDD_FM_TX_HEIGHT), FALSE);
EnableWindow(GetDlgItem(hwnd, IDD_FM_TX_LEFT), FALSE);
EnableWindow(GetDlgItem(hwnd, IDD_FM_TX_RIGHT), FALSE);
EnableWindow(GetDlgItem(hwnd, IDD_FM_TX_TOP), FALSE);
EnableWindow(GetDlgItem(hwnd, IDD_FM_TX_BOTTOM), FALSE);
// Handle is invalid disable all controls and set error text.
if( !pFormsDlgData->hPrinter )
{
EnableWindow(GetDlgItem(hwnd, IDD_FM_RB_METRIC), FALSE);
EnableWindow(GetDlgItem(hwnd, IDD_FM_RB_ENGLISH), FALSE);
EnableWindow(GetDlgItem(hwnd, IDD_FM_RB_ENGLISH), FALSE);
SetDlgItemTextFromResID(hwnd, IDC_SERVER_NAME, IDS_SERVER_NO_PRINTER_DEFINED);
}
}
// Enable/Disable the dialog controls here
EnableDialogFields(hwnd, pFormsDlgData);
return FALSE;
}
/*
*
*/
BOOL FormsCommandAddForm(HWND hwnd)
{
PFORMS_DLG_DATA pFormsDlgData;
INT PrevSel;
FORM_INFO_1 NewFormInfo;
INT i = -1;
//
// If the save form button is disable nothing to do. This
// Check is needed for handling the apply button or ok
// event in a property sheet.
//
if( !IsWindowEnabled(GetDlgItem(hwnd, IDD_FM_PB_SAVEFORM)) )
{
return TRUE;
}
ZeroMemory(&NewFormInfo, sizeof(NewFormInfo));
pFormsDlgData = (PFORMS_DLG_DATA)GetWindowLongPtr(hwnd, GWLP_USERDATA);
NewFormInfo.pName = GetFormName(hwnd);
if( !NewFormInfo.pName )
{
//
// Out of memory.
//
iMessage( hwnd,
IDS_ERR_FORMS_TITLE,
IDS_ERR_GENERIC,
MB_OK|MB_ICONSTOP,
ERROR_OUTOFMEMORY,
NULL );
// save the last error, so the property sheet won't close
pFormsDlgData->dwLastError = ERROR_OUTOFMEMORY;
goto Cleanup;
}
//
// Check if we are to save and existing form.
//
if( !Button_GetCheck(GetDlgItem(hwnd, IDD_FM_CK_NEW_FORM)) )
{
//
// Check if the form is currently in the list.
//
i = GetFormIndex(NewFormInfo.pName, pFormsDlgData->pFormInfo, pFormsDlgData->cForms);
if( i >= 0 )
{
//
// Preserve the old data.
//
NewFormInfo.Flags = pFormsDlgData->pFormInfo[i].Flags;
NewFormInfo.Size = pFormsDlgData->pFormInfo[i].Size;
NewFormInfo.ImageableArea = pFormsDlgData->pFormInfo[i].ImageableArea;
}
}
//
// Get the form data from the controls & validate it.
//
UINT uIDFailed;
if( !GetFormDescription(hwnd, &NewFormInfo, pFormsDlgData->Units, &uIDFailed) )
{
SetFocus(GetDlgItem(hwnd, uIDFailed));
SendMessage(GetDlgItem(hwnd, uIDFailed), EM_SETSEL, 0, -1);
//
// Form validation failed. Set the focus info the correct control.
//
iMessage( hwnd,
IDS_ERR_FORMS_TITLE,
IDS_FORMS_INVALIDNUMBER,
MB_OK|MB_ICONSTOP,
kMsgNone,
NULL );
// save the last error, so the property sheet won't close
pFormsDlgData->dwLastError = ERROR_INVALID_PARAMETER;
goto Cleanup;
}
//
// Check if we are to save and existing form.
//
if( i >= 0 && FORMSDIFFER(&pFormsDlgData->pFormInfo[i], &NewFormInfo) )
{
//
// Call spooler to set the form data.
//
if( !SetForm(pFormsDlgData->hPrinter, NewFormInfo.pName, 1, (LPBYTE)&NewFormInfo) )
{
//
// Display error message.
//
iMessage( hwnd,
IDS_ERR_FORMS_TITLE,
IDS_ERR_FORMS_COULDNOTSETFORM,
MB_OK|MB_ICONSTOP,
kMsgGetLastError,
NULL,
NewFormInfo.pName );
// save the last error, so the property sheet won't close
pFormsDlgData->dwLastError = GetLastError();
}
else
{
//
// Insure we maintain the previous selection state.
//
i = ListBox_GetCurSel(GetDlgItem( hwnd, IDD_FM_LB_FORMS));
InitializeFormsData(hwnd, pFormsDlgData, TRUE);
ListBox_SetCurSel(GetDlgItem(hwnd, IDD_FM_LB_FORMS), i);
//
// Update controls.
//
SetFormDescription(hwnd, &NewFormInfo, pFormsDlgData->Units);
FormChanged(pFormsDlgData); // notify whoever cares
}
goto Cleanup;
}
if( i < 0 && Button_GetCheck(GetDlgItem(hwnd, IDD_FM_CK_NEW_FORM)) )
{
//
// Add form case.
//
if( (PrevSel = ListBox_GetCurSel(GetDlgItem(hwnd, IDD_FM_LB_FORMS))) < 0 )
{
PrevSel = 0;
}
//
// Check if the new form name is not currently used.
//
LRESULT Status;
Status = SendDlgItemMessage(hwnd,
IDD_FM_LB_FORMS,
LB_FINDSTRINGEXACT,
(WPARAM)-1,
(LPARAM)NewFormInfo.pName );
//
// If string was found.
//
if( Status != LB_ERR )
{
iMessage( hwnd,
IDS_ERR_FORMS_TITLE,
IDS_ERR_FORMS_NAMECONFLICT,
MB_OK|MB_ICONEXCLAMATION,
kMsgNone,
NULL );
// save the last error, so the property sheet won't close
pFormsDlgData->dwLastError = ERROR_INVALID_PARAMETER;
goto Cleanup;
}
if( AddForm(pFormsDlgData->hPrinter, 1, (LPBYTE)&NewFormInfo) )
{
InitializeFormsData(hwnd, pFormsDlgData, TRUE);
// highlight the one we just added:
i = GetFormIndex(NewFormInfo.pName, pFormsDlgData->pFormInfo, pFormsDlgData->cForms);
// if we can't find it, restore the previous selection.
// (This assumes that the last EnumForms returned the same buffer
// as we had last time.)
if( i < 0 )
{
i = (pFormsDlgData->cForms > (DWORD)PrevSel) ? PrevSel : 0;
}
if( pFormsDlgData->cForms > 0 )
{
SetFormDescription(hwnd, &pFormsDlgData->pFormInfo[i], pFormsDlgData->Units);
SendDlgItemMessage(hwnd, IDD_FM_LB_FORMS, LB_SETCURSEL, i, 0L);
}
// the Add button is about to be greyed, it currently
// has focus therefore we will shift the focus to the
// edit box.
SetFocus(GetDlgItem(hwnd, IDD_FM_EF_NAME));
FormChanged(pFormsDlgData); // notify whoever cares
}
else
{
iMessage( hwnd,
IDS_ERR_FORMS_TITLE,
IDS_ERR_FORMS_COULDNOTADDFORM,
MB_OK|MB_ICONSTOP,
kMsgGetLastError,
NULL,
NewFormInfo.pName );
// save the last error, so the property sheet won't close
pFormsDlgData->dwLastError = GetLastError();
}
}
Cleanup:
if( NewFormInfo.pName )
{
FreeStr(NewFormInfo.pName);
}
EnableDialogFields(hwnd, pFormsDlgData);
return TRUE;
}
/*
*
*/
BOOL FormsCommandDelForm(HWND hwnd)
{
PFORMS_DLG_DATA pFormsDlgData;
DWORD i;
DWORD TopIndex;
DWORD Count;
LPTSTR pFormName;
pFormsDlgData = (PFORMS_DLG_DATA)GetWindowLongPtr(hwnd, GWLP_USERDATA);
ASSERT(pFormsDlgData);
i = ListBox_GetCurSel(GetDlgItem(hwnd, IDD_FM_LB_FORMS));
TopIndex = (DWORD)SendDlgItemMessage(hwnd, IDD_FM_LB_FORMS, LB_GETTOPINDEX, 0, 0L);
pFormName = GetFormName(hwnd);
if( DeleteForm(pFormsDlgData->hPrinter, pFormName) )
{
InitializeFormsData(hwnd, pFormsDlgData, TRUE);
Count = (DWORD)SendDlgItemMessage(hwnd, IDD_FM_LB_FORMS, LB_GETCOUNT, 0, 0L);
if( i >= Count )
{
i = ( Count-1 );
}
if( pFormsDlgData->cForms > 0 )
{
SetFormDescription(hwnd, &pFormsDlgData->pFormInfo[i], pFormsDlgData->Units);
SendDlgItemMessage(hwnd, IDD_FM_LB_FORMS, LB_SETCURSEL, i, 0L);
SendDlgItemMessage(hwnd, IDD_FM_LB_FORMS, LB_SETTOPINDEX, TopIndex, 0L);
PostMessage(hwnd, WM_NEXTDLGCTL, (WPARAM )GetDlgItem(hwnd, IDD_FM_LB_FORMS), (LPARAM )TRUE);
}
FormChanged(pFormsDlgData); // notify whoever cares
}
else
{
iMessage( hwnd,
IDS_ERR_FORMS_TITLE,
IDS_ERR_FORMS_COULDNOTDELETEFORM,
MB_OK|MB_ICONSTOP,
kMsgGetLastError,
NULL,
pFormName );
}
if( pFormName )
{
FreeStr(pFormName);
}
EnableDialogFields( hwnd, pFormsDlgData );
return TRUE;
}
/*
*
*/
BOOL FormsCommandFormsSelChange(HWND hwnd)
{
PFORMS_DLG_DATA pFormsDlgData;
DWORD i;
pFormsDlgData = (PFORMS_DLG_DATA)GetWindowLongPtr(hwnd, GWLP_USERDATA);
i = ListBox_GetCurSel(GetDlgItem(hwnd, IDD_FM_LB_FORMS));
SetFormDescription(hwnd, &pFormsDlgData->pFormInfo[i], pFormsDlgData->Units);
EnableDialogFields(hwnd, pFormsDlgData);
return TRUE;
}
/*
* User change the units of the currently selected form.
*/
BOOL FormsCommandUnits(HWND hwnd)
{
PFORMS_DLG_DATA pFormsDlgData;
INT i;
FORM_INFO_1 FormInfo;
//
// Get dialog data.
//
pFormsDlgData = (PFORMS_DLG_DATA)GetWindowLongPtr(hwnd, GWLP_USERDATA);
ZeroMemory(&FormInfo, sizeof(FormInfo));
if( pFormsDlgData->Units == GETUNITS(hwnd) )
goto Cleanup;
FormInfo.pName = GetFormName(hwnd);
if( !FormInfo.pName )
{
//
// Out of memory.
//
iMessage( hwnd,
IDS_ERR_FORMS_TITLE,
IDS_ERR_GENERIC,
MB_OK|MB_ICONSTOP,
ERROR_OUTOFMEMORY,
NULL );
goto Cleanup;
}
//
// Check if the form is currently in the list.
//
i = GetFormIndex(FormInfo.pName, pFormsDlgData->pFormInfo, pFormsDlgData->cForms);
if( i >= 0 )
{
//
// Preserve the old data.
//
FormInfo.Flags = pFormsDlgData->pFormInfo[i].Flags;
FormInfo.Size = pFormsDlgData->pFormInfo[i].Size;
FormInfo.ImageableArea = pFormsDlgData->pFormInfo[i].ImageableArea;
}
//
// Get the forms description.
//
UINT uIDFailed;
if( GetFormDescription(hwnd, &FormInfo, pFormsDlgData->Units, &uIDFailed) )
{
//
// Get and save the currently selected units.
//
pFormsDlgData->Units = GETUNITS(hwnd);
//
// Set the forms values.
//
SetValue(hwnd, IDD_FM_EF_WIDTH, FormInfo.Size.cx, pFormsDlgData->Units);
SetValue(hwnd, IDD_FM_EF_HEIGHT, FormInfo.Size.cy, pFormsDlgData->Units);
SetValue(hwnd, IDD_FM_EF_LEFT, FormInfo.ImageableArea.left, pFormsDlgData->Units);
SetValue(hwnd, IDD_FM_EF_RIGHT, FormInfo.Size.cx - FormInfo.ImageableArea.right, pFormsDlgData->Units);
SetValue(hwnd, IDD_FM_EF_TOP, FormInfo.ImageableArea.top, pFormsDlgData->Units);
SetValue(hwnd, IDD_FM_EF_BOTTOM, FormInfo.Size.cy - FormInfo.ImageableArea.bottom, pFormsDlgData->Units);
}
else
{
SETUNITS(hwnd, pFormsDlgData->Units);
SetFocus(GetDlgItem(hwnd, uIDFailed));
SendMessage(GetDlgItem(hwnd, uIDFailed), EM_SETSEL, 0, -1);
//
// Form validation failed. Set the focus info the correct control.
//
iMessage( hwnd,
IDS_ERR_FORMS_TITLE,
IDS_FORMS_INVALIDNUMBER,
MB_OK|MB_ICONSTOP,
kMsgNone,
NULL );
}
Cleanup:
if( FormInfo.pName )
{
FreeStr(FormInfo.pName);
}
return TRUE;
}
/*
*
*/
VOID InitializeFormsData(HWND hwnd, PFORMS_DLG_DATA pFormsDlgData, BOOL ResetList)
{
LPFORM_INFO_1 pFormInfo;
DWORD cForms;
DWORD i;
if( ResetList )
{
if( pFormsDlgData->pFormInfo )
{
FreeMem(pFormsDlgData->pFormInfo);
}
}
pFormInfo = GetFormsList(pFormsDlgData->hPrinter, &cForms);
if( !pFormInfo )
{
DBGMSG( DBG_WARNING, ( "GetFormsList failed.\n") );
pFormsDlgData->pFormInfo = NULL;
pFormsDlgData->cForms = 0;
return;
}
pFormsDlgData->pFormInfo = pFormInfo;
pFormsDlgData->cForms = cForms;
if( ResetList )
{
ListBox_ResetContent(GetDlgItem( hwnd, IDD_FM_LB_FORMS));
}
for( i = 0; i < cForms; i++ )
{
SendDlgItemMessage(
hwnd,
IDD_FM_LB_FORMS,
LB_INSERTSTRING,
(WPARAM)-1,
(LPARAM)(LPTSTR)pFormInfo[i].pName
);
}
}
/* GetFormsList
*
* This function works in exactly the same way as GetPortsList.
* There's a good case for writing a generic EnumerateObject function
* (Done!)
*/
LPFORM_INFO_1 GetFormsList(HANDLE hPrinter, PDWORD pNumberOfForms)
{
PFORM_INFO_1 pFormInfo = NULL;
TStatusB bStatus;
bStatus DBGCHK = bEnumForms(hPrinter, 1, (PBYTE *)&pFormInfo, pNumberOfForms);
if( bStatus && pFormInfo )
{
//
// Sort the forms list.
//
qsort((PVOID )pFormInfo, (UINT)*pNumberOfForms, sizeof(*pFormInfo), CompareFormNames);
}
return pFormInfo;
}
/*
* CompareFormNames
*/
int _cdecl CompareFormNames( const void *p1, const void *p2 )
{
return lstrcmpi( ( (PFORM_INFO_1)p1 )->pName,
( (PFORM_INFO_1)p2 )->pName );
}
/*
* SetFormsComputerName
*/
VOID SetFormsComputerName( HWND hwnd, PFORMS_DLG_DATA pFormsDlgData )
{
//
// Set the title to the name of this machine.
//
SetDlgItemText( hwnd, IDC_SERVER_NAME, pFormsDlgData->pszComputerName );
}
/*
* SetFormDescription
*/
VOID SetFormDescription( HWND hwnd, LPFORM_INFO_1 pFormInfo, BOOL Units )
{
SetDlgItemText( hwnd, IDD_FM_EF_NAME, pFormInfo->pName );
SetValue( hwnd, IDD_FM_EF_WIDTH, pFormInfo->Size.cx, Units );
SetValue( hwnd, IDD_FM_EF_HEIGHT, pFormInfo->Size.cy, Units );
SetValue( hwnd, IDD_FM_EF_LEFT, pFormInfo->ImageableArea.left, Units );
SetValue( hwnd, IDD_FM_EF_RIGHT, ( pFormInfo->Size.cx -
pFormInfo->ImageableArea.right ), Units );
SetValue( hwnd, IDD_FM_EF_TOP, pFormInfo->ImageableArea.top, Units );
SetValue( hwnd, IDD_FM_EF_BOTTOM, ( pFormInfo->Size.cy -
pFormInfo->ImageableArea.bottom ), Units );
}
/*
* GetFormDescription
*/
BOOL
GetFormDescription(
IN HWND hwnd,
OUT LPFORM_INFO_1 pFormInfo,
IN BOOL bDefaultMetric,
OUT PUINT puIDFailed
)
{
BOOL bReturn = FALSE;
FORM_INFO_1 info;
LONG lRight = pFormInfo->Size.cx - pFormInfo->ImageableArea.right;
LONG lBottom = pFormInfo->Size.cy - pFormInfo->ImageableArea.bottom;
*puIDFailed =
!GetValue(hwnd, IDD_FM_EF_WIDTH, pFormInfo->Size.cx,
bDefaultMetric, &info.Size.cx) ? IDD_FM_EF_WIDTH :
!GetValue(hwnd, IDD_FM_EF_HEIGHT, pFormInfo->Size.cy,
bDefaultMetric, &info.Size.cy) ? IDD_FM_EF_HEIGHT :
!GetValue(hwnd, IDD_FM_EF_LEFT, pFormInfo->ImageableArea.left,
bDefaultMetric, &info.ImageableArea.left) ? IDD_FM_EF_LEFT :
!GetValue(hwnd, IDD_FM_EF_TOP, pFormInfo->ImageableArea.top,
bDefaultMetric, &info.ImageableArea.top) ? IDD_FM_EF_TOP :
!GetValue(hwnd, IDD_FM_EF_RIGHT, lRight,
bDefaultMetric, &lRight) ? IDD_FM_EF_RIGHT :
!GetValue(hwnd, IDD_FM_EF_BOTTOM, lBottom,
bDefaultMetric, &lBottom) ? IDD_FM_EF_BOTTOM :
0;
// validate top, left, rigt & bottom of the ImageableArea.
if( 0 == *puIDFailed && info.ImageableArea.left >= info.Size.cx )
{
*puIDFailed = IDD_FM_EF_LEFT;
}
if( 0 == *puIDFailed && info.ImageableArea.top >= info.Size.cy )
{
*puIDFailed = IDD_FM_EF_TOP;
}
info.ImageableArea.right = info.Size.cx - lRight;
if( 0 == *puIDFailed && info.ImageableArea.right <= info.ImageableArea.left )
{
*puIDFailed = IDD_FM_EF_RIGHT;
}
info.ImageableArea.bottom = info.Size.cy - lBottom;
if( 0 == *puIDFailed && info.ImageableArea.bottom <= info.ImageableArea.top )
{
*puIDFailed = IDD_FM_EF_BOTTOM;
}
if( 0 == *puIDFailed )
{
pFormInfo->Size = info.Size;
pFormInfo->ImageableArea = info.ImageableArea;
bReturn = TRUE;
}
return bReturn;
}
/* GetFormIndex
*
* Searches an array of FORM_INFO structures for one with name pFormName.
*
* Return:
*
* The index of the form found, or -1 if the form is not found.
*/
int GetFormIndex( LPTSTR pFormName, LPFORM_INFO_1 pFormInfo, DWORD cForms )
{
int i = 0;
BOOL Found = FALSE;
while( i < (int)cForms && !( Found = !lstrcmpi( pFormInfo[i].pName, pFormName ) ) )
i++;
if( Found )
return i;
else
return -1;
}
/* GetFormName
*
* Returns a pointer to a newly allocated string containing the form name,
* stripped of leading and trailing blanks.
* Caller must remember to free up the string.
*
*/
LPTSTR GetFormName( HWND hwnd )
{
TCHAR FormName[FORMS_NAME_MAX+1];
INT i = 0;
PTCHAR pFormNameWithBlanksStripped;
PTCHAR pReturnFormName = NULL;
if( GetDlgItemText( hwnd, IDD_FM_EF_NAME, FormName, COUNTOF( FormName ) ) > 0 )
{
/* Step over any blank characters at the beginning:
*/
while( FormName[i] && ( FormName[i] == TEXT(' ') ) )
i++;
if( FormName[i] )
{
pFormNameWithBlanksStripped = &FormName[i];
/* Find the NULL terminator:
*/
while( FormName[i] )
i++;
/* Now step back to find the last character that isn't a blank:
*/
if( i > 0 )
i--;
while( ( i > 0 ) && ( FormName[i] == TEXT( ' ' ) ) )
i--;
FormName[i+1] = TEXT( '\0' );
if( *pFormNameWithBlanksStripped )
pReturnFormName = AllocStr( pFormNameWithBlanksStripped );
}
/* Otherwise, the name contains nothing but blanks. */
}
return pReturnFormName;
}
/*
* SetValue
*/
BOOL
SetValue(
HWND hwnd,
DWORD uID,
LONG lValueInPoint001mm,
BOOL bMetric
)
{
PFORMS_DLG_DATA pFormsDlgData = (PFORMS_DLG_DATA)GetWindowLongPtr(hwnd, GWLP_USERDATA);
ASSERT(pFormsDlgData);
TCHAR szValue[FORMS_PARAM_MAX];
BOOL bReturn = Value2String(pFormsDlgData, lValueInPoint001mm, bMetric, TRUE,
ARRAYSIZE(szValue), szValue);
if( bReturn )
{
bReturn = SetDlgItemText(hwnd, uID, szValue);
}
return bReturn;
}
/*
* GetValue
*/
BOOL
GetValue(
HWND hwnd,
DWORD uID,
LONG lCurrentValueInPoint001mm,
BOOL bDefaultMetric,
PLONG plValueInPoint001mm
)
{
TCHAR szValue[FORMS_PARAM_MAX];
szValue[0] = 0;
GetDlgItemText(hwnd, uID, szValue, ARRAYSIZE(szValue));
PFORMS_DLG_DATA pFormsDlgData = (PFORMS_DLG_DATA)GetWindowLongPtr(hwnd, GWLP_USERDATA);
return String2Value(pFormsDlgData, szValue, bDefaultMetric, lCurrentValueInPoint001mm, plValueInPoint001mm);
}
/*
* SetDlgItemTextFromResID
*/
VOID SetDlgItemTextFromResID(HWND hwnd, int idCtl, int idRes)
{
TCHAR string[kStrMax];
LoadString(ghInst, idRes, string, ARRAYSIZE(string));
SetDlgItemText(hwnd, idCtl, string);
}
/*
*
*/
VOID EnableDialogFields( HWND hwnd, PFORMS_DLG_DATA pFormsDlgData )
{
INT i;
BOOL EnableEntryFields = TRUE;
BOOL EnableAddButton = TRUE;
BOOL EnableDeleteButton = TRUE;
LPTSTR pFormName;
// if new form check keep edit fields enabled.
if( Button_GetCheck(GetDlgItem(hwnd, IDD_FM_CK_NEW_FORM)) )
{
vFormsEnableEditFields(hwnd, TRUE);
return;
}
// if not granted all access access.
if( FALSE == pFormsDlgData->AccessGranted == TRUE )
{
EnableWindow(GetDlgItem(hwnd, IDD_FM_EF_NAME), FALSE);
EnableWindow(GetDlgItem(hwnd, IDC_FORMNAME_LABEL), FALSE);
EnableEntryFields = FALSE;
EnableAddButton = FALSE;
EnableDeleteButton = FALSE;
EnumChildWindows(hwnd, GreyText, 0);
}
/* else - See whether the Form Name is new:
*/
else if( ( pFormName = GetFormName(hwnd) ) != NULL )
{
/* Now see if the name is already in the list:
*/
i = GetFormIndex( pFormName, pFormsDlgData->pFormInfo,
pFormsDlgData->cForms );
if( i >= 0 )
{
/* Can't modify a built-in form:
*/
if( pFormsDlgData->pFormInfo[i].Flags & FORM_BUILTIN )
{
EnableEntryFields = FALSE;
EnableDeleteButton = FALSE;
}
else
{
EnableEntryFields = TRUE;
EnableDeleteButton = TRUE;
}
/* Can't add a form with the same name:
*/
EnableAddButton = FALSE;
}
else
{
EnableDeleteButton = FALSE;
}
FreeStr(pFormName);
}
else
{
/* Name field is blank: Can't add or delete:
*/
EnableAddButton = FALSE;
EnableDeleteButton = FALSE;
}
// enable the edit fields.
vFormsEnableEditFields( hwnd, EnableEntryFields );
// enable the delete button
EnableWindow( GetDlgItem( hwnd, IDD_FM_PB_DELFORM ), EnableDeleteButton );
// enable the save form button
EnableWindow( GetDlgItem( hwnd, IDD_FM_PB_SAVEFORM ), EnableEntryFields );
}
/*++
Routine Name:
bEnumForms
Routine Description:
Enumerates the forms on the printer identified by handle.
Arguments:
IN HANDLE hPrinter,
IN DWORD dwLevel,
IN PBYTE *ppBuff,
IN PDWORD pcReturned
Return Value:
Pointer to forms array and count of forms in the array if
success, NULL ponter and zero number of forms if failure.
TRUE if success, FALSE if error.
--*/
BOOL
bEnumForms(
IN HANDLE hPrinter,
IN DWORD dwLevel,
IN PBYTE *ppBuff,
IN PDWORD pcReturned
)
{
BOOL bReturn = FALSE;
DWORD dwReturned = 0;
DWORD dwNeeded = 0;
PBYTE p = NULL;
TStatusB bStatus( DBG_WARN, ERROR_INSUFFICIENT_BUFFER );
// get buffer size for enum forms.
bStatus DBGNOCHK = EnumForms(
hPrinter,
dwLevel,
NULL,
0,
&dwNeeded,
&dwReturned );
// check if the function returned the buffer size.
if( GetLastError() != ERROR_INSUFFICIENT_BUFFER )
{
goto Cleanup;
}
// if buffer allocation fails.
if( (p = (PBYTE)AllocMem(dwNeeded) ) == NULL )
{
goto Cleanup;
}
// get the forms enumeration
bStatus DBGCHK = EnumForms(
hPrinter,
dwLevel,
p,
dwNeeded,
&dwNeeded,
&dwReturned );
// copy back the buffer pointer and count.
if( bStatus )
{
bReturn = TRUE;
*ppBuff = p;
*pcReturned = dwReturned;
}
Cleanup:
if( bReturn == FALSE )
{
// indicate failure.
*ppBuff = NULL;
*pcReturned = 0;
// release any allocated memory.
if( p )
{
FreeMem(p);
}
}
return bReturn;
}
/*
* Checked new forms check box.
*/
BOOL
FormsNewForms(
IN HWND hWnd
)
{
// get Current check state.
BOOL bState = Button_GetCheck(GetDlgItem(hWnd, IDD_FM_CK_NEW_FORM));
// set the name edit field.
EnableWindow(GetDlgItem(hWnd, IDD_FM_EF_NAME), bState);
EnableWindow(GetDlgItem(hWnd, IDC_FORMNAME_LABEL), bState);
// set the new form text state.
EnableWindow(GetDlgItem(hWnd, IDD_FM_TX_NEW_FORM), bState);
// if enabling new form then the delete button should be disabled.
if( bState )
{
EnableWindow(GetDlgItem(hWnd, IDD_FM_PB_DELFORM), FALSE);
}
// Enable the edit fields.
vFormsEnableEditFields(hWnd, bState);
// if disabling new forms set edit fields based on
// current selection.
if( !bState )
{
FormsCommandFormsSelChange(hWnd);
}
return FALSE;
}
/*
* vFormsEnableEditFields
*/
VOID
vFormsEnableEditFields(
IN HWND hWnd,
IN BOOL bState
)
{
UINT i;
for( i = 0; pEntryFields[i]; i++ )
{
EnableWindow( GetDlgItem( hWnd, pEntryFields[i] ), bState );
}
for( i = 0; pTextFields[i]; i++ )
{
EnableWindow( GetDlgItem( hWnd, pTextFields[i] ), bState );
}
}
//
// Enable the save form button when the name changes.
//
BOOL
FormsCommandNameChange(
IN HWND hWnd,
IN WPARAM wParam,
IN LPARAM lParam
)
{
BOOL bStatus;
LPTSTR pFormName = NULL;
LRESULT Status = TRUE;
switch( GET_WM_COMMAND_CMD(wParam, lParam) )
{
case EN_CHANGE:
// if the name edit box is not in the enabled state.
if( !IsWindowEnabled((HWND)lParam) )
{
bStatus = FALSE;
break;
}
// Get the form name from the edit control.
pFormName = GetFormName(hWnd);
// If a form name was returned.
if( pFormName )
{
// If the name has length then
// check if it's in the list.
if( lstrlen(pFormName) )
{
// Locate the form name in the list box.
Status = SendDlgItemMessage(
hWnd,
IDD_FM_LB_FORMS,
LB_FINDSTRINGEXACT,
(WPARAM)-1,
(LPARAM)pFormName);
}
// Insure we release the form name, since we have
// adopted the nemory.
if( pFormName )
{
FreeMem(pFormName);
}
}
// Set the save form enable state.
EnableWindow(GetDlgItem(hWnd, IDD_FM_PB_SAVEFORM), Status == LB_ERR ? TRUE : FALSE);
bStatus = TRUE;
break;
default:
bStatus = FALSE;
break;
}
return bStatus;
}
BOOL
String2Value(
IN PFORMS_DLG_DATA pFormsDlgData,
IN LPCTSTR pszValue,
IN BOOL bDefaultMetric,
IN LONG lCurrentValueInPoint001mm,
OUT PLONG plValueInPoint001mm
)
{
ASSERT(pFormsDlgData);
ASSERT(pszValue);
ASSERT(plValueInPoint001mm);
double dValue = 0.0;
*plValueInPoint001mm = 0;
BOOL bMetric = bDefaultMetric;
BOOL bResult = TRUE;
if( *pszValue )
{
// make a copy of the input string
TCHAR szValue[FORMS_PARAM_MAX];
lstrcpyn(szValue, pszValue, ARRAYSIZE(szValue));
// convert international decimal separator, if necessary:
if( *pFormsDlgData->szDecimalPoint != TEXT('.') )
{
TCHAR *p = szValue;
while( *p )
{
if( *p == *pFormsDlgData->szDecimalPoint )
{
*p = TEXT('.');
}
p++;
}
}
// convert to double, pGarbage should be "in" or "cm" (depends on metric)
TCHAR *pGarbage = NULL;
dValue = _tcstod(szValue, &pGarbage);
ASSERT(pGarbage);
// load the measurement strings from resource
TCHAR szUnitsIn[CCH_MAX_UNITS];
TCHAR szUnitsCm[CCH_MAX_UNITS];
bResult = LoadString(ghInst, IDS_INCHES, szUnitsIn, ARRAYSIZE(szUnitsIn)) &&
LoadString(ghInst, IDS_CENTIMETERS, szUnitsCm, ARRAYSIZE(szUnitsCm));
if( bResult )
{
// check to validate the converted number
if( dValue < 0.0 )
{
// negative values are invalid
bResult = FALSE;
}
else if( 0 == lstrcmpi(pGarbage, szUnitsIn) )
{
// enforce inches
bMetric = FALSE;
}
else if( 0 == lstrcmpi(pGarbage, szUnitsCm) )
{
// enforce centimeters
bMetric = TRUE;
}
else if( lstrlen(pGarbage) )
{
// pGarbage is neither "in" nor "cm" - error!
bResult = FALSE;
}
}
if( bResult )
{
TCHAR szCurrentValue[FORMS_PARAM_MAX];
// cut the garbage first
*pGarbage = 0;
// if the converted number is valid, check to see if not the
// same as the current one...
if( bMetric == bDefaultMetric &&
Value2String(pFormsDlgData, lCurrentValueInPoint001mm,
bDefaultMetric, FALSE, ARRAYSIZE(szCurrentValue), szCurrentValue) &&
0 == lstrcmp(szCurrentValue, szValue) )
{
// it is the same. don't recalc, so we don't loose precision.
*plValueInPoint001mm = lCurrentValueInPoint001mm;
}
else
{
// calculate in point001mm
*plValueInPoint001mm = (DWORD)(dValue * (bMetric ? 100*100 : 254*100));
}
}
}
return bResult;
}
BOOL
Value2String(
IN PFORMS_DLG_DATA pFormsDlgData,
IN LONG lValueInPoint001mm,
IN BOOL bMetric,
IN BOOL bAppendMetric,
IN UINT cchMaxChars,
OUT LPTSTR szOutBuffer
)
{
ASSERT(pFormsDlgData);
ASSERT(szOutBuffer);
BOOL bReturn = FALSE;
static const TCHAR szFormat[] = TEXT("%d%s%02d%s");
static const TCHAR szFormat1[] = TEXT("%d%s%02d");
TCHAR szUnits[CCH_MAX_UNITS];
DWORD dwUnitsX100 = (DWORD)((lValueInPoint001mm / (bMetric ? 100.0 : 254.0)) + 0.5);
if( LoadString(ghInst, bMetric ? IDS_CENTIMETERS: IDS_INCHES, szUnits, ARRAYSIZE(szUnits)) )
{
wnsprintf(szOutBuffer, cchMaxChars, bAppendMetric ? szFormat : szFormat1,
dwUnitsX100 / 100, pFormsDlgData->szDecimalPoint, dwUnitsX100 % 100, szUnits);
bReturn = TRUE;
}
return bReturn;
}
VOID
FormChanged(
IN OUT PFORMS_DLG_DATA pFormsDlgData
)
{
// if part of property sheet this will notify the UI to
// call PSM_CANCELTOCLOSE
pFormsDlgData->bFormChanged = TRUE;
}
BOOL
Forms_IsThereCommitedChanges(
IN PVOID pFormsData
)
{
ASSERT(pFormsData);
PFORMS_DLG_DATA pFormsDlgData = (PFORMS_DLG_DATA)pFormsData;
return pFormsDlgData->bFormChanged;
}
DWORD
Forms_GetLastError(
IN PVOID pFormsData
)
{
ASSERT(pFormsData);
PFORMS_DLG_DATA pFormsDlgData = (PFORMS_DLG_DATA)pFormsData;
return pFormsDlgData->dwLastError;
}