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pjs/cmd/winfe/printpag.cpp

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31 KiB
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
/////////////////////////////////////////////////////////////////////////////
// printpag.cpp : implementation file
// contains the printer page setup code. This files contains
// two objects: the page setup dialog box and the page
// setup default setting object which also implements the
// IPrinter interface. - jre
//
#include "stdafx.h"
#include <ctype.h>
#include <string.h>
#include "printpag.h" // print page setup
#include "apipage.h" // page setup api
#include "prefapi.h"
#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
#define MEASURE_US 1
#define MEASURE_METRIC 2
// metric or US measurement flag
static int measureUnit = -1;
// conversions
#define TWIPSPERINCH 1440
#define TWIPSPERCENTIMETER 567
/////////////////////////////////////////////////////////////////////////////
// CPrintPageSetup dialog
CPrintPageSetup::CPrintPageSetup(CWnd* pParent /*=NULL*/)
: CDialog(CPrintPageSetup::IDD, pParent)
{
//{{AFX_DATA_INIT(CPrintPageSetup)
m_bLinesBlack = FALSE;
m_bPrintBkImage = FALSE;
m_bTextBlack = FALSE;
m_bDate = FALSE;
m_bPageNo = FALSE;
m_bSolidLines = FALSE;
m_bTitle = FALSE;
m_bTotal = FALSE;
m_bURL = FALSE;
//}}AFX_DATA_INIT
// Initializes the measurement setting based on the locale
SetLocaleUnit ( );
ApiPageSetup(api,0);
api->GetPageSize ( &lWidth, &lHeight );
api->GetMargins (&m_InitialLeft, &m_InitialRight, &m_InitialTop, &m_InitialBottom );
}
void CPrintPageSetup::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CPrintPageSetup)
DDX_Control(pDX, IDC_PAGESETUP_SAMPLE, m_PagePreview);
DDX_Control(pDX, IDC_PAGESETUP_MARGINBOX, m_MarginBox);
DDX_Control(pDX, IDC_PAGESETUP_MBOTTOM, m_BottomMargin);
DDX_Control(pDX, IDC_PAGESETUP_MLEFT, m_LeftMargin);
DDX_Control(pDX, IDC_PAGESETUP_MRIGHT, m_RightMargin);
DDX_Control(pDX, IDC_PAGESETUP_MTOP, m_TopMargin);
DDX_Check(pDX, IDC_PAGESETUP_ALLLINESBLACK, m_bLinesBlack);
DDX_Check(pDX, IDC_PAGESETUP_ALLTEXTBLACK, m_bTextBlack);
DDX_Check(pDX, IDC_PAGESETUP_DATE, m_bDate);
DDX_Check(pDX, IDC_PAGESETUP_PAGENUMBERS, m_bPageNo);
DDX_Check(pDX, IDC_PAGESETUP_SOLIDLINES, m_bSolidLines);
DDX_Check(pDX, IDC_PAGESETUP_TITLE, m_bTitle);
DDX_Check(pDX, IDC_PAGESETUP_TOTAL, m_bTotal);
DDX_Check(pDX, IDC_PAGESETUP_URL, m_bURL);
DDX_Check(pDX, IDC_PAGESETUP_REVERSEORDER, m_bReverseOrder);
#ifdef XP_WIN32
DDX_Check(pDX, IDC_PRINTBKIMAGE, m_bPrintBkImage);
#endif
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CMarginEdit, CGenericEdit)
ON_WM_CHAR()
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// Filter out any unwanted characters. Only allow valid margin characters.
void CMarginEdit::OnChar( UINT nChar, UINT nRepCnt, UINT nFlags )
{
if ( ( nChar == VK_BACK ) ||
strchr ( " 0123456789.,cm\"", tolower(nChar) )
)
CWnd::OnChar ( nChar, nRepCnt, nFlags );
}
BEGIN_MESSAGE_MAP(CPrintPageSetup, CDialog)
//{{AFX_MSG_MAP(CPrintPageSetup)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
BEGIN_MESSAGE_MAP(CPagePreview,CStatic)
ON_WM_PAINT()
END_MESSAGE_MAP()
void CPagePreview::OnPaint()
{
CStatic::OnPaint();
CClientDC dc(this); // device context for painting
CPrintPageSetup * pDialog = (CPrintPageSetup *)GetOwner ( );
if ( pDialog != NULL )
pDialog->ShowPagePreview ( dc );
}
/////////////////////////////////////////////////////////////////////////////
// CPrintPageSetup message handlers
// ShowPagePreview displays the small page layout in the the page setup
// control. The printer coordinates are adjusted to screen coordinates for
// proper proportion.
void CPrintPageSetup::ShowPagePreview ( CClientDC & pdc )
{
RECT rect, shade, margins; // working rectangles
long mtop, mbottom, mleft, mright; // margins in twips
ApiPageSetup(api,0); // Get the page setup API
int iX, // width of page in pixels
iY, // height of page in pixels
AspectXY; // aspect ratio mul 1000
// get the bounding rectangle of the sample area
m_PagePreview.GetClientRect ( &rect );
// compute the width and height
int width = rect.right - rect.left;
int height = rect.bottom - rect.top;
// get the margin to display the sample text
api->GetMargins ( &mleft, &mright, &mtop, &mbottom );
// check page orientation and base on height if normal orientation
// or on width for landscape... make best use of screen space
if ( lHeight > lWidth )
{
iY = height - ( height / 4 ); // use .75 of the height
// compute the aspect ration ( percentage width to height )
AspectXY = CASTINT(( lWidth * 1000 ) / lHeight);
// get the preview item height in inches
long lPreviewHeight =
( long(iY) * 1000L ) / pdc.GetDeviceCaps ( LOGPIXELSY );
// compute the inches the width should be from the aspect
long lX = lPreviewHeight * AspectXY;
lX /= 1000;
// how many pixels does that translate to?
lX *= pdc.GetDeviceCaps ( LOGPIXELSX );
iX = LOWORD(lX/1000);
}
else
{
iX = width - ( width / 4 ); // use .75 of the width
// compute the aspect ration ( percentage width to height )
AspectXY = CASTINT(( lHeight * 1000 ) / lWidth);
// get the preview item width in inches
long lPreviewWidth =
( long(iX) * 1000L ) / pdc.GetDeviceCaps ( LOGPIXELSX );
// compute the inches the height should be from the aspect
long lY = lPreviewWidth * AspectXY;
lY /= 1000;
// how many pixels does that translate to?
lY *= pdc.GetDeviceCaps ( LOGPIXELSY );
iY = LOWORD(lY/1000);
}
// compute the number of twips per pixel for margin computation
long iXTwipsPerPixel = lWidth / iX;
long iYTwipsPerPixel = lHeight / iY;
HDC hdc = pdc.GetSafeHdc();
// create a black pen for borders
// CPen blackPen (PS_SOLID,1,RGB(0,0,0));
// pdc.SelectObject(&blackPen);
::SelectObject(hdc, (HPEN)::GetStockObject(BLACK_PEN));
// center the page in the sample area
rect.left += ( width - iX ) / 2;
rect.top += ( height - iY ) / 2;
rect.right = rect.left + iX;
rect.bottom = rect.top + iY;
// CBrush brWindow ( GetSysColor(COLOR_WINDOW) );
HBRUSH brWindow = (HBRUSH)::CreateSolidBrush(GetSysColor(COLOR_WINDOW) );
// pdc.SelectObject ( &brWindow );
::SelectObject(hdc, (HBRUSH)brWindow);
// draw the small folded over flap on the top left handl corner
int iFoldOver = height / 15;
::MoveToEx( hdc, rect.left, rect.top + iFoldOver, NULL);
::LineTo (hdc, rect.left, rect.bottom );
::LineTo (hdc, rect.right, rect.bottom );
::LineTo (hdc, rect.right, rect.top );
::LineTo (hdc, rect.left + iFoldOver, rect.top );
::LineTo (hdc, rect.left, rect.top + iFoldOver );
::FloodFill (hdc, rect.right / 2, rect.bottom / 2, RGB(0,0,0) );
::LineTo (hdc, rect.left + iFoldOver, rect.top + iFoldOver );
::LineTo (hdc, rect.left + iFoldOver, rect.top );
#if 0
pdc.MoveTo ( rect.left, rect.top + iFoldOver );
pdc.LineTo ( rect.left, rect.bottom );
pdc.LineTo ( rect.right, rect.bottom );
pdc.LineTo ( rect.right, rect.top );
pdc.LineTo ( rect.left + iFoldOver, rect.top );
pdc.LineTo ( rect.left, rect.top + iFoldOver );
pdc.FloodFill ( rect.right / 2, rect.bottom / 2, RGB(0,0,0) );
pdc.LineTo ( rect.left + iFoldOver, rect.top + iFoldOver );
pdc.LineTo ( rect.left + iFoldOver, rect.top );
#endif
// compute the text area from the margin layout
memcpy ( &margins, &rect, sizeof(rect) );
margins.left += CASTINT( mleft / iXTwipsPerPixel );
margins.right -= CASTINT( mright / iXTwipsPerPixel );
margins.top += CASTINT( mtop / iYTwipsPerPixel );
margins.bottom -= CASTINT( mbottom / iYTwipsPerPixel );
if ( ( margins.left < margins.right ) && ( margins.top < margins.bottom ) )
{
// create a gray pen to display the sample text
// CPen greyPen ( PS_SOLID, 1, GetSysColor(COLOR_ACTIVECAPTION) );
// pdc.SelectObject ( &greyPen );
HPEN greyPen = ::CreatePen(PS_SOLID, 1,GetSysColor(COLOR_ACTIVECAPTION));
HPEN hOldPen = (HPEN)::SelectObject(hdc, (HPEN)greyPen);
int iy, iline;
BOOL bIndent = TRUE;
// draw lines for text layout the entire print area minus margins
for ( iy = 0, iline = 0; iy <= ( margins.bottom - margins.top ); iy++ )
{
if ( !( iy % 4 ) ) // every 4 pixel rows draw a line
{
if ( bIndent ) // is this the beginning of a paragraph?
{
// don't draw the line in the little fold over flap
if ( ( ( iy + margins.top ) < ( rect.top + iFoldOver ) ) &&
( ( margins.left + ( iX / 10 ) ) < ( rect.left + iFoldOver ) ) )
// pdc.MoveTo ( rect.left + iFoldOver, iy + margins.top );
::MoveToEx (hdc, rect.left + iFoldOver, iy + margins.top, NULL );
else
// pdc.MoveTo ( margins.left + ( iX / 10 ), iy + margins.top );
::MoveToEx ( hdc, margins.left + ( iX / 10 ), iy + margins.top, NULL );
// pdc.LineTo ( margins.right, iy + margins.top );
::LineTo ( hdc, margins.right, iy + margins.top );
bIndent = FALSE;
}
else if ( !( iline % 5 ) ) // is this the end of a paragraph?
{
// pdc.MoveTo ( margins.left, iy + margins.top );
// pdc.LineTo ( margins.left + ( iX / 3 ), iy + margins.top );
::MoveToEx ( hdc, margins.left, iy + margins.top, NULL );
::LineTo ( hdc, margins.left + ( iX / 3 ), iy + margins.top );
bIndent = TRUE;
}
else // just draw a normal straight across line
{
// don't draw the line in the little fold over flap
if ( ( ( iy + margins.top ) < ( rect.top + iFoldOver ) ) &&
( margins.left < ( rect.left + iFoldOver ) ) )
::MoveToEx ( hdc, rect.left + iFoldOver, iy + margins.top, NULL);
else
::MoveToEx ( hdc, margins.left, iy + margins.top, NULL);
::LineTo (hdc, margins.right, iy + margins.top );
}
iline++;
}
}
::SelectObject(hdc, (HPEN)hOldPen);
::DeleteObject(greyPen);
}
// draw the shading around the sample
// shade.left = rect.right;
// shade.right = rect.right + 3;
// shade.top = rect.top + 6;
// shade.bottom = rect.bottom + 3;
::SelectObject(hdc, (HPEN)::GetStockObject(BLACK_PEN));
::SelectObject(hdc, (HBRUSH)::GetStockObject(BLACK_BRUSH));
// pdc.Rectangle ( &shade );
::Rectangle(hdc,rect.right, rect.top + 6, rect.right + 3, rect.bottom + 3);
// shade.left = rect.left + 6;
// shade.top = rect.bottom;
// pdc.Rectangle ( &shade );
::Rectangle(hdc,rect.left + 6, rect.bottom, rect.right + 3, rect.bottom + 3);
::SelectObject(hdc, (HPEN)::GetStockObject(NULL_PEN));
::SelectObject(hdc, (HBRUSH)::GetStockObject(NULL_BRUSH ));
::DeleteObject(brWindow);
}
void CPrintPageSetup::MarginError ( char * szTitle )
{
MessageBox (
"The margin value entered was not valid. Try a smaller number.",
szTitle, MB_OK | MB_ICONEXCLAMATION );
}
// function reads all the margin text from the margin controls, converts
// it from the locale measurement units and stores the values back in the
// page setup object.
int CPrintPageSetup::UpdateMargins ( BOOL check )
{
char szBuffer[ 10 ]; // buffer holds edit control data
long mtop, mbottom, mleft, mright; // margins in twips
long mtopold, mbottomold, mleftold, mrightold;
ApiPageSetup(api,0); // Get the page setup API
api->GetMargins ( &mleftold, &mrightold, &mtopold, &mbottomold );
// get the margin text from the edit controls and convert it
// to twips
memset ( szBuffer, '\0', sizeof(szBuffer) );
m_TopMargin.GetLine ( 0, szBuffer, sizeof(szBuffer) );
strlwr ( szBuffer );
mtop = LocaleUnitToTwips ( szBuffer );
// if we are range checking, check to see if this is a valid margin
if ( check && ( mtop < 0 ) )
{
MarginError ( szLoadString(IDS_TOPMARGINERROR) );
m_TopMargin.SetFocus ( );
m_TopMargin.SetSel ( 0, -1 );
return 1;
}
memset ( szBuffer, '\0', sizeof(szBuffer) );
m_BottomMargin.GetLine ( 0, szBuffer, sizeof(szBuffer) );
strlwr ( szBuffer );
mbottom = LocaleUnitToTwips ( szBuffer );
if ( check && ( mbottom < 0 ) )
{
MarginError ( szLoadString(IDS_BOTTOMMARGINERROR) );
m_BottomMargin.SetFocus ( );
m_BottomMargin.SetSel ( 0, -1 );
return 1;
}
memset ( szBuffer, '\0', sizeof(szBuffer) );
m_LeftMargin.GetLine ( 0, szBuffer, sizeof(szBuffer) );
strlwr ( szBuffer );
mleft = LocaleUnitToTwips ( szBuffer );
if ( check && ( mleft < 0 ) )
{
MarginError ( szLoadString(IDS_LEFTMARGINERROR) );
m_LeftMargin.SetFocus ( );
m_LeftMargin.SetSel ( 0, -1 );
return 1;
}
memset ( szBuffer, '\0', sizeof(szBuffer) );
m_RightMargin.GetLine ( 0, szBuffer, sizeof(szBuffer) );
strlwr ( szBuffer );
mright = LocaleUnitToTwips ( szBuffer );
if ( check && ( mright < 0 ) )
{
MarginError ( szLoadString(IDS_RIGHTMARGINERROR) );
m_RightMargin.SetFocus ( );
m_RightMargin.SetSel ( 0, -1 );
return 1;
}
// 1 inch x 1 inch minimum space.
if(check) {
if(mtop + mbottom >= lHeight - TWIPSPERINCH) {
// Send them to the top/bottom margin for editing the problem.
if(mtop >= mbottom) {
MarginError ( szLoadString(IDS_TOPMARGINERROR) );
m_TopMargin.SetFocus ( );
m_TopMargin.SetSel ( 0, -1 );
}
else {
MarginError ( szLoadString(IDS_BOTTOMMARGINERROR) );
m_BottomMargin.SetFocus ( );
m_BottomMargin.SetSel ( 0, -1 );
}
return 1;
}
else if(mleft + mright >= lWidth - TWIPSPERINCH) {
// Send them to left/right margin for editing the problem.
if(mleft >= mright) {
MarginError ( szLoadString(IDS_LEFTMARGINERROR) );
m_LeftMargin.SetFocus ( );
m_LeftMargin.SetSel ( 0, -1 );
}
else {
MarginError ( szLoadString(IDS_RIGHTMARGINERROR) );
m_RightMargin.SetFocus ( );
m_RightMargin.SetSel ( 0, -1 );
}
return 1;
}
}
// update the preview area only if margins have changed
if ( ( mright != mrightold ) ||
( mleft != mleftold ) ||
( mbottom != mbottomold ) ||
( mtop != mtopold ) )
{
m_PagePreview.Invalidate ( );
// set the margins in the page setup object
api->SetMargins ( mleft, mright, mtop, mbottom );
}
return 0;
}
void CPrintPageSetup::OnCancel()
{
ApiPageSetup(api,0); // Get the page setup API
api->SetMargins (m_InitialLeft, m_InitialRight, m_InitialTop, m_InitialBottom );
CDialog::OnCancel();
}
// processed when the user presses OK button. Does all margin validations
// etc. Sets up the printer page setup object with the selected options.
void CPrintPageSetup::OnOK()
{
ApiPageSetup(api,0); // Get the page setup API
UpdateData ( );
if ( UpdateMargins ( TRUE ) )
return;
// set up the header information
api->Header (
( m_bTitle ? PRINT_TITLE : 0 ) |
( m_bURL ? PRINT_URL : 0 ) );
// set the footer information
api->Footer (
( m_bPageNo ? PRINT_PAGENO : 0 ) |
( m_bDate ? PRINT_DATE : 0 ) |
( m_bTotal ? PRINT_PAGECOUNT : 0 ) );
// set up the miscellaneous page options
api->BlackLines ( m_bLinesBlack );
api->BlackText( m_bTextBlack );
api->SolidLines ( !m_bSolidLines );
api->ReverseOrder ( m_bReverseOrder );
api->SetPrintingBkImage ( m_bPrintBkImage );
CDialog::OnOK();
}
// OnCommand handler looks at the KILLFOCUS messages from the edit controls.
// The new margin values are retrieved and the layout area is updated. Also,
// the values are normalized and restored back in the edit control
BOOL CPrintPageSetup::OnCommand(WPARAM wParam, LPARAM lParam)
{
#ifdef WIN32
if ( HIWORD(wParam) == EN_KILLFOCUS )
#else
if ( HIWORD(lParam) == EN_KILLFOCUS )
#endif
{
if ( ( LOWORD(wParam) == IDC_PAGESETUP_MTOP ) ||
( LOWORD(wParam) == IDC_PAGESETUP_MBOTTOM ) ||
( LOWORD(wParam) == IDC_PAGESETUP_MLEFT ) ||
( LOWORD(wParam) == IDC_PAGESETUP_MRIGHT ) )
{
UpdateMargins ( ); // update the margin values - relayout
// get the edit control and normalize the value
CMarginEdit * pEdit = (CMarginEdit *) GetDlgItem ( LOWORD(wParam) );
if ( pEdit )
{
char szBuffer[10];
long lTwips;
memset ( szBuffer, '\0', sizeof(szBuffer) );
pEdit->GetLine ( 0, szBuffer, sizeof(szBuffer) );
strlwr ( szBuffer );
lTwips = LocaleUnitToTwips ( szBuffer );
pEdit->SetWindowText( TwipsToLocaleUnit ( lTwips ) );
}
}
}
return CDialog::OnCommand(wParam, lParam);
}
// function converts twips to centimeters or inches based on the
// conversion and the locale.
char * CPrintPageSetup::TwipsToString ( long twips, long conversion )
{
static char szBuffer[ 10 ];
// load the centimeter abbreviation
CString cs;
cs.LoadString( IDS_PAGESETUP_CM );
// Save to static buffer rounding to 2 dec places
sprintf( szBuffer, "%.2f", (float)twips/(float)conversion );
#ifdef XP_WIN32
char buf[10];
GetNumberFormat(LOCALE_SYSTEM_DEFAULT, NULL, szBuffer, NULL, buf, 10);
strcpy(szBuffer, buf);
#endif
strcat(szBuffer, ( measureUnit == MEASURE_US ) ? "\"" : (const char *)cs);
return szBuffer; // return conversion
}
// function takes a text buffer and converts it to twips from
// inches or centimeters. If the text contains a ", it assumed
// inches. If the text is preceded by 'cm' it is assumed
// metric. Locale can be overriden by specifying one of the formentioned
// identifiers.
// 1440 twips/inch
// 567 twips/cm
long CPrintPageSetup::StringToTwips ( char * szBuffer, long conversion )
{
int len = strlen ( szBuffer ); // string length to parse
long lDecPart = 0; // decimal part
long lFracPart = 0; // fractional part
int precision = 0; // make sure at least 2 decimal points
int i;
BOOL decimal = TRUE; // what part are we currently parsing
// process the entire string
for ( i = 0; i < len; i++ )
{
// ignore anything but digits for numeric processing
if ( isdigit ( szBuffer[ i ] ) )
{
// are we processing the decimal or fractional part
if ( decimal )
lDecPart = ( lDecPart * 10 ) + ( szBuffer[ i ] - '0' );
else
{
lFracPart = ( lFracPart * 10 ) + ( szBuffer[ i ] - '0' );
precision++;
}
}
// toggle the dec/frac flag when we hit a decimal point
else if ( szBuffer[ i ] == '.' || szBuffer[ i ] == ',' )
decimal = FALSE;
}
lFracPart *= conversion;
while ( precision-- )
lFracPart /= 10;
// final conversion for total twips
return (( lDecPart * conversion ) + lFracPart);
}
// function checks the locale and sets the units of measurement to either
// US or metric.
void CPrintPageSetup::SetLocaleUnit ( void )
{
// check only if the flag hasn't been initialized
if ( measureUnit == -1 )
{
#ifdef WIN32
char szLCStr[2];
GetLocaleInfo (
GetSystemDefaultLCID(), // current locale
LOCALE_IMEASURE, // measurement system
szLCStr, // will return '0'-metric,'1'-US
sizeof(szLCStr) );
if ( szLCStr[ 0 ] == '0' )
measureUnit = MEASURE_METRIC;
else
measureUnit = MEASURE_US;
#else
if (GetProfileInt("intl", "iMeasure", 0) == 0)
measureUnit = MEASURE_METRIC;
else
measureUnit = MEASURE_US;
#endif
}
}
// function converts twip count to a text string representing the
// value in centimeters or inches based on the locale
char * CPrintPageSetup::TwipsToLocaleUnit ( long lTwips )
{
switch ( measureUnit )
{
case MEASURE_US:
return TwipsToString ( lTwips, TWIPSPERINCH );
break;
case MEASURE_METRIC:
return TwipsToString ( lTwips, TWIPSPERCENTIMETER );
break;
}
return 0;
}
// function accepts a text string representing either inches or
// centimeters and converts it to twips. The locale can be overriden
// by adding either a '"' for inches or 'cm' for centimeters.
long CPrintPageSetup::LocaleUnitToTwips ( char * szBuffer )
{
CString cs;
cs.LoadString ( IDS_PAGESETUP_CM ); // get the centimeter abrv.
// check for locale override
if ( strstr ( szBuffer, cs ) )
return StringToTwips ( szBuffer, TWIPSPERCENTIMETER );
else if ( strchr ( szBuffer, '\"' ) )
return StringToTwips ( szBuffer, TWIPSPERINCH );
// no locale overrides, convert based on system locale
if ( measureUnit == MEASURE_US )
return StringToTwips ( szBuffer, TWIPSPERINCH );
else
return StringToTwips ( szBuffer, TWIPSPERCENTIMETER );
return 0;
}
// called to preinitialize the page setup dialog. This function takes
// the values from the page setup object and initializes the page setup
// dialog with them.
BOOL CPrintPageSetup::OnInitDialog()
{
CString cs, SampleText;
long mright, mleft, mtop, mbottom;
ApiPageSetup(api,0); // page setup api
// get the margins from the object
api->GetMargins ( &mleft, &mright, &mtop, &mbottom );
CDialog::OnInitDialog();
// print the paer size on the sample window
char szSize[50], szWidth[10], szHeight[10], szSample[50];
strcpy ( szWidth, TwipsToLocaleUnit ( lWidth ) );
if ( strchr ( szWidth, '\"' ) ) * strchr ( szWidth, '\"' ) = '\0';
strcpy ( szHeight, TwipsToLocaleUnit ( lHeight ) );
if ( strchr ( szHeight, '\"' ) ) * strchr ( szHeight, '\"' ) = '\0';
wsprintf ( szSize, " (%s x %s)", szWidth, szHeight );
CStatic * pBox = (CStatic *)GetDlgItem(IDC_PAGESETUP_SAMPLE);
GetDlgItemText(IDC_PAGESETUP_SAMPLE, szSample, 50);
SampleText = szSample;
SampleText+=szSize;
pBox->SetWindowText ( SampleText );
// load the inches or centimeters message based on the locale
if ( measureUnit == MEASURE_METRIC )
cs.LoadString ( IDS_PAGESETUP_CENTIMETERS );
else
cs.LoadString ( IDS_PAGESETUP_INCHES );
// set the 'Margins (Inches)' or 'Margins (Centimeters)' heading
m_MarginBox.SetWindowText ( cs );
// convert from twips and initialize the dialog with the default
// types
m_RightMargin.SetWindowText( TwipsToLocaleUnit ( mright ) );
m_TopMargin.SetWindowText( TwipsToLocaleUnit ( mtop ) );
m_BottomMargin.SetWindowText( TwipsToLocaleUnit ( mbottom ) );
m_LeftMargin.SetWindowText( TwipsToLocaleUnit ( mleft ) );
// initialize the focus to the first margin setting selected
m_TopMargin.SetFocus ( );
m_TopMargin.SetSel ( 0, -1 );
// initialize the check boxes
m_bLinesBlack = api->BlackLines();
m_bTextBlack = api->BlackText();
m_bSolidLines = api->SolidLines();
m_bTitle = ( api->Header() & PRINT_TITLE ) ? TRUE : FALSE;
m_bURL = ( api->Header() & PRINT_URL ) ? TRUE : FALSE;
m_bPageNo = ( api->Footer() & PRINT_PAGENO ) ? TRUE : FALSE;
m_bTotal = ( api->Footer() & PRINT_PAGECOUNT ) ? TRUE : FALSE;
m_bDate = ( api->Footer() & PRINT_DATE ) ? TRUE : FALSE;
m_bPrintBkImage = api->IsPrintingBkImage();
m_bReverseOrder = api->ReverseOrder();
( (CButton *) GetDlgItem(IDC_PAGESETUP_SOLIDLINES) )->SetCheck ( !m_bSolidLines );
( (CButton *) GetDlgItem(IDC_PAGESETUP_ALLTEXTBLACK) )->SetCheck ( m_bTextBlack );
( (CButton *) GetDlgItem(IDC_PAGESETUP_ALLLINESBLACK) )->SetCheck ( m_bLinesBlack );
( (CButton *) GetDlgItem(IDC_PAGESETUP_TITLE) )->SetCheck ( m_bTitle );
( (CButton *) GetDlgItem(IDC_PAGESETUP_PAGENUMBERS) )->SetCheck ( m_bPageNo);
( (CButton *) GetDlgItem(IDC_PAGESETUP_URL) )->SetCheck ( m_bURL );
( (CButton *) GetDlgItem(IDC_PAGESETUP_DATE) )->SetCheck( m_bDate );
( (CButton *) GetDlgItem(IDC_PAGESETUP_TOTAL) )->SetCheck ( m_bTotal );
( (CButton *) GetDlgItem(IDC_PAGESETUP_REVERSEORDER) )->SetCheck ( m_bReverseOrder );
#ifdef XP_WIN32
( (CButton *) GetDlgItem(IDC_PRINTBKIMAGE) )->SetCheck ( m_bPrintBkImage );
#endif
// return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
return FALSE;
}
// Default page setup options. This is a class that is statically instantiated
// which implements the IPageSetup API.
class CPageSetupInfo : public IUnknown,
public IPageSetup
{
protected:
ULONG m_ulRefCount;
// page setup values
long m_lLeftMargin;
long m_lRightMargin;
long m_lTopMargin;
long m_lBottomMargin;
int m_iHeader;
int m_iFooter;
int m_iSolidLines;
int m_iBlackText;
int m_iBlackLines;
int m_iReverseOrder;
BOOL m_bPrintBkImage;
long lWidth, lHeight;
public:
CPageSetupInfo ( );
~CPageSetupInfo ( );
// IUnknown Interface
STDMETHODIMP QueryInterface(REFIID,LPVOID *);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
// IClassFactory Interface
STDMETHODIMP CreateInstance(LPUNKNOWN,REFIID,LPVOID*);
STDMETHODIMP LockServer(BOOL);
// IPageSetup Interface
void GetMargins ( long *, long *, long *, long * );
void SetMargins ( long, long, long, long );
void GetPageSize ( long *, long * );
void SetPageSize ( long, long );
int Header ( int flag );
int Footer ( int flag );
int SolidLines ( int flag );
int BlackText ( int flag );
int BlackLines ( int flag );
int ReverseOrder ( int flag );
void SetPrintingBkImage (BOOL flag);
BOOL IsPrintingBkImage (void);
};
class CPageSetupInfoFactory : public IClassFactory
{
protected:
ULONG m_ulRefCount;
public:
CPageSetupInfoFactory();
// IUnknown Interface
STDMETHODIMP QueryInterface(REFIID,LPVOID *);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
// IClassFactory Interface
STDMETHODIMP CreateInstance(LPUNKNOWN,REFIID,LPVOID*);
STDMETHODIMP LockServer(BOOL);
};
CPageSetupInfoFactory::CPageSetupInfoFactory()
{
ApiApiPtr(api);
api->RegisterClassFactory(APICLASS_PAGESETUP,(LPCLASSFACTORY)this);
api->CreateClassInstance(APICLASS_PAGESETUP);
}
STDMETHODIMP CPageSetupInfoFactory::QueryInterface(REFIID refiid, LPVOID * ppv)
{
*ppv = NULL;
if (IsEqualIID(refiid,IID_IUnknown))
*ppv = (LPUNKNOWN) this;
else if (IsEqualIID(refiid,IID_IClassFactory))
*ppv = (LPCLASSFACTORY) this;
if (*ppv != NULL) {
AddRef();
return NOERROR;
}
return ResultFromScode(E_NOINTERFACE);
}
STDMETHODIMP_(ULONG) CPageSetupInfoFactory::AddRef(void)
{
return ++m_ulRefCount;
}
STDMETHODIMP_(ULONG) CPageSetupInfoFactory::Release(void)
{
ULONG ulRef;
ulRef = --m_ulRefCount;
if (m_ulRefCount == 0)
delete this;
return ulRef;
}
STDMETHODIMP CPageSetupInfoFactory::CreateInstance(
LPUNKNOWN pUnkOuter,REFIID refiid, LPVOID * ppvObj)
{
*ppvObj = NULL;
CPageSetupInfo * pRepository = new CPageSetupInfo;
return pRepository->QueryInterface(refiid,ppvObj);
}
STDMETHODIMP CPageSetupInfoFactory::LockServer(BOOL fLock)
{
return NOERROR;
}
// Constructor initializes the default values and registers the object
// as the implementor of the IPrinter interface.
CPageSetupInfo::CPageSetupInfo ( )
{
m_ulRefCount = 0;
m_lLeftMargin = 720; // 0.5 inches
m_lRightMargin = 720;
m_lTopMargin = 720;
m_lBottomMargin = 720;
m_iHeader = PRINT_TITLE | PRINT_URL;
m_iFooter = PRINT_PAGENO | PRINT_PAGECOUNT | PRINT_DATE;
m_iSolidLines = FALSE;
m_iBlackText = FALSE;
m_iBlackLines = FALSE;
m_iReverseOrder = FALSE;
lWidth = lHeight = 0;
}
// constructor releases the default API which causes it to automatically
// unregister based on a zero reference count. The API will not dissapear
// until everyone is done with it.
CPageSetupInfo::~CPageSetupInfo ( )
{
}
STDMETHODIMP CPageSetupInfo::QueryInterface(REFIID refiid, LPVOID * ppv)
{
*ppv = NULL;
if (IsEqualIID(refiid,IID_IUnknown))
*ppv = (LPUNKNOWN) this;
else if (IsEqualIID(refiid,IID_IPageSetup))
*ppv = (LPPAGESETUP) this;
if (*ppv != NULL) {
AddRef();
return NOERROR;
}
return ResultFromScode(E_NOINTERFACE);
}
STDMETHODIMP_(ULONG) CPageSetupInfo::AddRef(void)
{
return ++m_ulRefCount;
}
STDMETHODIMP_(ULONG) CPageSetupInfo::Release(void)
{
ULONG ulRef;
ulRef = --m_ulRefCount;
if (m_ulRefCount == 0)
delete this;
return ulRef;
}
void CPageSetupInfo::SetPrintingBkImage (BOOL flag)
{
PREF_SetBoolPref("browser.print_background",flag);
m_bPrintBkImage = flag;
}
BOOL CPageSetupInfo::IsPrintingBkImage (void)
{
if (PREF_GetBoolPref("browser.print_background",&m_bPrintBkImage) != PREF_OK)
m_bPrintBkImage = FALSE;
return m_bPrintBkImage;
}
// function sets the margins in twips
void CPageSetupInfo::SetMargins ( long lLeft, long lRight, long lTop, long lBottom )
{
m_lLeftMargin = lLeft;
m_lRightMargin = lRight;
m_lTopMargin = lTop;
m_lBottomMargin = lBottom;
}
// gets the margins
void CPageSetupInfo::GetMargins ( long * plLeft, long * plRight, long * plTop, long * plBottom )
{
*plLeft = m_lLeftMargin;
*plRight = m_lRightMargin;
*plTop = m_lTopMargin;
*plBottom = m_lBottomMargin;
}
// get-set the header flags, -1 gets the value (default)
// flags are: PRINT_TITLE | PRINT_URL
int CPageSetupInfo::Header ( int flag )
{
if ( flag == -1 )
return m_iHeader;
int temp = m_iHeader;
m_iHeader = flag;
return temp;
}
// get-set the footer flag, -1 gets the value (default)
// flags are: PRINT_PAGENO | PRINT_PAGECOUNT | PRINT_DATE
int CPageSetupInfo::Footer ( int flag )
{
if ( flag == -1 )
return m_iFooter;
int temp = m_iFooter;
m_iFooter = flag;
return temp;
}
// get-set solid line flag. Control printing of textured bevels
int CPageSetupInfo::SolidLines ( int flag )
{
if ( flag == -1 )
return m_iSolidLines;
int temp = m_iSolidLines;
m_iSolidLines = flag;
return temp;
}
// get-set all text black flag. If set to TRUE, all text is printed
// in black
int CPageSetupInfo::BlackText ( int flag )
{
if ( flag == -1 )
return m_iBlackText;
int temp = m_iBlackText;
m_iBlackText = flag;
return temp;
}
// get-set all line black flag
int CPageSetupInfo::BlackLines ( int flag )
{
if ( flag == -1 )
return m_iBlackLines;
int temp = m_iBlackLines;
m_iBlackLines = flag;
return temp;
}
void CPageSetupInfo::SetPageSize ( long lw, long lh )
{
lWidth = lw;
lHeight = lh;
}
void CPageSetupInfo::GetPageSize ( long * plWidth, long * plHeight )
{
CPrintDialog printDialog ( FALSE );
if ( printDialog.GetDefaults ( ) )
{
HDC hPrintDC = printDialog.GetPrinterDC ( );
if ( hPrintDC != NULL )
{
POINT point;
::Escape ( hPrintDC, GETPHYSPAGESIZE, NULL, NULL, &point );
lWidth = point.x;
lHeight = point.y;
lWidth = ( lWidth * TWIPSPERINCH ) / ::GetDeviceCaps ( hPrintDC, LOGPIXELSX );
lHeight = ( lHeight * TWIPSPERINCH ) / ::GetDeviceCaps ( hPrintDC, LOGPIXELSY );
}
::DeleteDC(hPrintDC);
::GlobalFree(printDialog.m_pd.hDevNames);
::GlobalFree(printDialog.m_pd.hDevMode);
}
if ( !lWidth || !lHeight )
{
lWidth = (TWIPSPERINCH * 85L ) / 10;
lHeight = TWIPSPERINCH * 11;
}
*plWidth = lWidth;
*plHeight = lHeight;
}
int CPageSetupInfo::ReverseOrder ( int flag )
{
if ( flag == -1 )
return m_iReverseOrder;
int temp = m_iReverseOrder;
m_iReverseOrder = flag;
return temp;
}
static CPageSetupInfoFactory _defSettings; // static instantiation of page setup object
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