printmac.cpp

很牛的GUI源码wxWidgets-2.8.0.zip 可在多种平台下运行.

/////////////////////////////////////////////////////////////////////////////
// Name:        src/mac/classic/printwin.cpp
// Purpose:     wxMacPrinter framework
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id: printmac.cpp,v 1.9 2006/10/27 13:07:27 JS Exp $
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#ifndef WX_PRECOMP
    #include "wx/utils.h"
    #include "wx/dc.h"
    #include "wx/app.h"
    #include "wx/msgdlg.h"
    #include "wx/dcprint.h"
#endif

#include "wx/mac/uma.h"

#include "wx/mac/printmac.h"
#include "wx/mac/private/print.h"

#define mm2pt            2.83464566929
#define pt2mm            0.352777777778

#include "wx/printdlg.h"

#include <stdlib.h>

IMPLEMENT_DYNAMIC_CLASS(wxMacPrinter, wxPrinterBase)
IMPLEMENT_CLASS(wxMacPrintPreview, wxPrintPreviewBase)

#if TARGET_CARBON

wxNativePrintData* wxNativePrintData::Create()
{
    return new wxMacCarbonPrintData() ;
}

wxMacCarbonPrintData::wxMacCarbonPrintData()
{
    m_macPageFormat = kPMNoPageFormat;
    m_macPrintSettings = kPMNoPrintSettings;
    m_macPrintSession = kPMNoReference ;
    ValidateOrCreate() ;
}

wxMacCarbonPrintData::~wxMacCarbonPrintData()
{
    if (m_macPageFormat != kPMNoPageFormat)
    {
        (void)PMRelease(m_macPageFormat);
        m_macPageFormat = kPMNoPageFormat;
    }

    if (m_macPrintSettings != kPMNoPrintSettings)
    {
        (void)PMRelease(m_macPrintSettings);
        m_macPrintSettings = kPMNoPrintSettings;
    }

    if ( m_macPrintSession != kPMNoReference )
    {
        (void)PMRelease(m_macPrintSession);
        m_macPrintSession = kPMNoReference;
    }
}

void wxMacCarbonPrintData::ValidateOrCreate()
{
    OSStatus err = noErr ;
    if ( m_macPrintSession == kPMNoReference )
    {
        err = PMCreateSession( (PMPrintSession *) &m_macPrintSession ) ;
    }
    //  Set up a valid PageFormat object.
    if ( m_macPageFormat == kPMNoPageFormat)
    {
        err = PMCreatePageFormat((PMPageFormat *) &m_macPageFormat);

        //  Note that PMPageFormat is not session-specific, but calling
        //  PMSessionDefaultPageFormat assigns values specific to the printer
        //  associated with the current printing session.
        if ((err == noErr) &&
            ( m_macPageFormat != kPMNoPageFormat))
        {
            err = PMSessionDefaultPageFormat((PMPrintSession) m_macPrintSession,
                (PMPageFormat) m_macPageFormat);
        }
    }
    else
    {
        err = PMSessionValidatePageFormat((PMPrintSession) m_macPrintSession,
            (PMPageFormat) m_macPageFormat,
            kPMDontWantBoolean);
    }

    //  Set up a valid PrintSettings object.
    if ( m_macPrintSettings == kPMNoPrintSettings)
    {
        err = PMCreatePrintSettings((PMPrintSettings *) &m_macPrintSettings);

        //  Note that PMPrintSettings is not session-specific, but calling
        //  PMSessionDefaultPrintSettings assigns values specific to the printer
        //  associated with the current printing session.
        if ((err == noErr) &&
            ( m_macPrintSettings != kPMNoPrintSettings))
        {
            err = PMSessionDefaultPrintSettings((PMPrintSession) m_macPrintSession,
                (PMPrintSettings) m_macPrintSettings);
        }
    }
    else
    {
        err = PMSessionValidatePrintSettings((PMPrintSession) m_macPrintSession,
            (PMPrintSettings) m_macPrintSettings,
            kPMDontWantBoolean);
    }
}

void wxMacCarbonPrintData::TransferFrom( wxPrintData* data )
{
    ValidateOrCreate() ;
    PMSetCopies( (PMPrintSettings) m_macPrintSettings , data->GetNoCopies() , false ) ;
    PMSetOrientation( (PMPageFormat) m_macPageFormat , ( data->GetOrientation() == wxLANDSCAPE ) ?
        kPMLandscape : kPMPortrait , false ) ;
    // collate cannot be set
#if 0 // not yet tested
    if ( !m_printerName.empty() )
        PMSessionSetCurrentPrinter( (PMPrintSession) m_macPrintSession , wxMacCFStringHolder( m_printerName , wxFont::GetDefaultEncoding() ) ) ;
#endif
    PMColorMode color ;
    PMGetColorMode(  (PMPrintSettings) m_macPrintSettings, &color ) ;
    if ( data->GetColour() )
    {
        if ( color == kPMBlackAndWhite )
            PMSetColorMode( (PMPrintSettings) m_macPrintSettings, kPMColor ) ;
    }
    else
        PMSetColorMode( (PMPrintSettings) m_macPrintSettings, kPMBlackAndWhite ) ;

    // PMDuplexMode not yet accessible via API
    // PMQualityMode not yet accessible via API
    // todo paperSize
}

void wxMacCarbonPrintData::TransferTo( wxPrintData* data )
{
    OSStatus err = noErr ;

    UInt32 copies ;
    err = PMGetCopies( m_macPrintSettings , &copies ) ;
    if ( err == noErr )
        data->SetNoCopies( copies ) ;

    PMOrientation orientation ;
    err = PMGetOrientation(  m_macPageFormat , &orientation ) ;
    if ( err == noErr )
    {
        if ( orientation == kPMPortrait || orientation == kPMReversePortrait )
            data->SetOrientation( wxPORTRAIT  );
        else
            data->SetOrientation( wxLANDSCAPE );
    }

    // collate cannot be set
#if 0
    {
        wxMacCFStringHolder name ;
        PMPrinter printer ;
        PMSessionGetCurrentPrinter( m_macPrintSession ,
            &printer ) ;
        m_printerName = name.AsString() ;
    }
#endif

    PMColorMode color ;
    err = PMGetColorMode( m_macPrintSettings, &color ) ;
    if ( err == noErr )
        data->SetColour( !(color == kPMBlackAndWhite) ) ;

    // PMDuplexMode not yet accessible via API
    // PMQualityMode not yet accessible via API
    // todo paperSize
    PMRect rPaper;
    err = PMGetUnadjustedPaperRect( m_macPageFormat, &rPaper);
    if ( err == noErr )
    {
        data->SetPaperSize( wxSize (
            (int)(( rPaper.right - rPaper.left ) * pt2mm + 0.5 ) ,
             (int)(( rPaper.bottom - rPaper.top ) * pt2mm + 0.5 ) ) );
    }
}

void wxMacCarbonPrintData::TransferFrom( wxPageSetupData *data )
{
    // should we setup the page rect here ?
    // since MacOS sometimes has two same paper rects with different
    // page rects we could make it roundtrip safe perhaps
#if TARGET_CARBON
#else
#endif
}

void wxMacCarbonPrintData::TransferTo( wxPageSetupData* data )
{
    PMRect rPaper;
    OSStatus err = PMGetUnadjustedPaperRect(m_macPageFormat, &rPaper);
    if ( err == noErr )
    {
        PMRect rPage ;
        err = PMGetUnadjustedPageRect(m_macPageFormat , &rPage ) ;
        if ( err == noErr )
        {
            data->SetMinMarginTopLeft( wxPoint (
                (int)(((double) rPage.left - rPaper.left ) * pt2mm) ,
                (int)(((double) rPage.top - rPaper.top ) * pt2mm) ) ) ;

            data->SetMinMarginBottomRight( wxPoint (
                (wxCoord)(((double) rPaper.right - rPage.right ) * pt2mm),
                (wxCoord)(((double) rPaper.bottom - rPage.bottom ) * pt2mm)) ) ;
        }
    }
}

void wxMacCarbonPrintData::TransferTo( wxPrintDialogData* data )
{
    UInt32 minPage , maxPage ;
    PMGetPageRange( m_macPrintSettings , &minPage , &maxPage ) ;
    data->SetMinPage( minPage ) ;
    data->SetMaxPage( maxPage ) ;
    UInt32 copies ;
    PMGetCopies( m_macPrintSettings , &copies ) ;
    data->SetNoCopies( copies ) ;
    UInt32 from , to ;
    PMGetFirstPage( m_macPrintSettings , &from ) ;
    PMGetLastPage( m_macPrintSettings , &to ) ;
    data->SetFromPage( from ) ;
    data->SetToPage( to ) ;
}

void wxMacCarbonPrintData::TransferFrom( wxPrintDialogData* data )
{
    PMSetPageRange( m_macPrintSettings , data->GetMinPage() , data->GetMaxPage() ) ;
    PMSetCopies( m_macPrintSettings , data->GetNoCopies() , false ) ;
    PMSetFirstPage( m_macPrintSettings , data->GetFromPage() , false ) ;

    int toPage = data->GetToPage();
    if (toPage < 1)
        toPage = data->GetFromPage();
    PMSetLastPage( m_macPrintSettings , toPage , false ) ;
}

void wxMacCarbonPrintData::CopyFrom( wxNativePrintData* d )
{
    wxMacCarbonPrintData *data = (wxMacCarbonPrintData*) d ;
    if ( data->m_macPrintSession != kPMNoReference )
        PMRetain( data->m_macPrintSession ) ;
    if ( m_macPrintSession != kPMNoReference )
    {
        PMRelease( m_macPrintSession ) ;
        m_macPrintSession = kPMNoReference ;
    }
    if ( data->m_macPrintSession != kPMNoReference )
        m_macPrintSession = data->m_macPrintSession ;

    if ( data->m_macPrintSettings != kPMNoPrintSettings )
        PMRetain( data->m_macPrintSettings ) ;
    if ( m_macPrintSettings != kPMNoPrintSettings )
    {
        PMRelease( m_macPrintSettings ) ;
        m_macPrintSettings = kPMNoPrintSettings ;
    }
    if ( data->m_macPrintSettings != kPMNoPrintSettings )
        m_macPrintSettings = data->m_macPrintSettings ;

    if ( data->m_macPageFormat != kPMNoPageFormat )
        PMRetain( data->m_macPageFormat ) ;
    if ( m_macPageFormat != kPMNoPageFormat )
    {
        PMRelease( m_macPageFormat ) ;
        m_macPageFormat = kPMNoPageFormat ;
    }
    if ( data->m_macPageFormat != kPMNoPageFormat )
        m_macPageFormat = data->m_macPageFormat ;
}

int wxMacCarbonPrintData::ShowPrintDialog()
{
    int result = wxID_CANCEL ;
    OSErr err = noErr ;
    wxString message ;

    Boolean        accepted;

    {
        //  Display the Print dialog.
        if (err == noErr)
        {
            err = PMSessionPrintDialog( m_macPrintSession,
                m_macPrintSettings,
                m_macPageFormat,
                &accepted);
            if ((err == noErr) && !accepted)
            {
                err = kPMCancel; // user clicked Cancel button
            }
        }
        if  ( err == noErr )
        {
            result = wxID_OK ;
        }
    }
    if ((err != noErr) && (err != kPMCancel))
    {
        message.Printf( wxT("Print Error %d"), err ) ;
        wxMessageDialog dialog( NULL , message  , wxEmptyString, wxICON_HAND | wxOK) ;
        dialog.ShowModal();
    }

    return result ;
}

int wxMacCarbonPrintData::ShowPageSetupDialog()
{
    int      result = wxID_CANCEL ;
    OSErr    err = noErr ;
    wxString message ;

    Boolean        accepted;
    {
        //  Display the Page Setup dialog.
        if (err == noErr)
        {
            err = PMSessionPageSetupDialog( m_macPrintSession,
                m_macPageFormat,
                &accepted);
            if ((err == noErr) && !accepted)
            {
                err = kPMCancel; // user clicked Cancel button
            }
        }

        //  If the user did not cancel, flatten and save the PageFormat object
        //  with our document.
        if (err == noErr) {
            result = wxID_OK ;
        }
    }
    if ((err != noErr) && (err != kPMCancel))
    {
        message.Printf( wxT("Print Error %d"), err ) ;
        wxMessageDialog dialog( NULL , message , wxEmptyString, wxICON_HAND | wxOK) ;
        dialog.ShowModal();
    }

    return result ;
}

#else

wxNativePrintData* wxNativePrintData::Create()
{
    return new wxMacClassicPrintData() ;
}

wxMacClassicPrintData::wxMacClassicPrintData()
{
    m_macPrintSettings = NULL ;
    ValidateOrCreate() ;
}

wxMacClassicPrintData::~wxMacClassicPrintData()
{
    wxASSERT( m_macPrintSettings );
    DisposeHandle( (Handle) m_macPrintSettings ) ;
}

void wxMacClassicPrintData::ValidateOrCreate()
{
    if ( m_macPrintSettings == NULL )
    {
        m_macPrintSettings = (THPrint) NewHandleClear( sizeof( TPrint ) );