removed superfluous casts

[wxWidgets.git] / src / mac / carbon / printmac.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        printwin.cpp
// Purpose:     wxMacPrinter framework
// Author:      Julian Smart
// Modified by:
// Created:     04/01/98
// RCS-ID:      $Id$
// Copyright:   (c) Julian Smart
// Licence:       wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "printwin.h"
#endif

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

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#include "wx/defs.h"

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

#include "wx/mac/private.h"

#include "wx/mac/printmac.h"
#include "wx/dcprint.h"
#include "wx/printdlg.h"

#include <stdlib.h>

#if !USE_SHARED_LIBRARY
IMPLEMENT_DYNAMIC_CLASS(wxMacPrinter, wxPrinterBase)
IMPLEMENT_CLASS(wxMacPrintPreview, wxPrintPreviewBase)
#endif

/*
* Printer
*/

wxMacPrinter::wxMacPrinter(wxPrintDialogData *data):
wxPrinterBase(data)
{
}

wxMacPrinter::~wxMacPrinter(void)
{
}

bool wxMacPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
{
    sm_abortIt = FALSE;
    sm_abortWindow = NULL;
    
    if (!printout)
        return FALSE;
    
    printout->SetIsPreview(FALSE);
    printout->OnPreparePrinting();
    
    // Get some parameters from the printout, if defined
    int fromPage, toPage;
    int minPage, maxPage;
    printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
    
    if (maxPage == 0)
        return FALSE;
    
    m_printDialogData.SetMinPage(minPage);
    m_printDialogData.SetMaxPage(maxPage);
    if (fromPage != 0)
        m_printDialogData.SetFromPage(fromPage);
    if (toPage != 0)
        m_printDialogData.SetToPage(toPage);
    
    if (minPage != 0)
    {
        m_printDialogData.EnablePageNumbers(TRUE);
        if (m_printDialogData.GetFromPage() < m_printDialogData.GetMinPage())
            m_printDialogData.SetFromPage(m_printDialogData.GetMinPage());
        else if (m_printDialogData.GetFromPage() > m_printDialogData.GetMaxPage())
            m_printDialogData.SetFromPage(m_printDialogData.GetMaxPage());
        if (m_printDialogData.GetToPage() > m_printDialogData.GetMaxPage())
            m_printDialogData.SetToPage(m_printDialogData.GetMaxPage());
        else if (m_printDialogData.GetToPage() < m_printDialogData.GetMinPage())
            m_printDialogData.SetToPage(m_printDialogData.GetMinPage());
    }
    else
        m_printDialogData.EnablePageNumbers(FALSE);
    
    // Create a suitable device context  
    wxDC *dc = NULL;
    if (prompt)
    {
        wxPrintDialog dialog(parent, & m_printDialogData);
        if (dialog.ShowModal() == wxID_OK)
        {
            dc = dialog.GetPrintDC();
            m_printDialogData = dialog.GetPrintData();
        }
    }
    else
    {
        dc = new wxPrinterDC( m_printDialogData.GetPrintData() ) ;
    }
    
    
    // May have pressed cancel.
    if (!dc || !dc->Ok())
    {
        if (dc) delete dc;
        return FALSE;
    }
    
    // on the mac we have always pixels as addressing mode with 72 dpi
    
    printout->SetPPIScreen(72, 72);
    printout->SetPPIPrinter(72, 72);
    
    // Set printout parameters  
    printout->SetDC(dc);
    
    int w, h;
    wxCoord ww, hh;
    dc->GetSize(&w, &h);
    printout->SetPageSizePixels((int)w, (int)h);
    dc->GetSizeMM(&ww, &hh);
    printout->SetPageSizeMM((int)ww, (int)hh);
    
    // Create an abort window
    wxBeginBusyCursor();
    
    wxWindow *win = CreateAbortWindow(parent, printout);
    wxSafeYield(win,true);
    
    if (!win)
    {
        wxEndBusyCursor();
        wxMessageBox(wxT("Sorry, could not create an abort dialog."), wxT("Print Error"), wxOK, parent);
        delete dc;
        return FALSE;
    }
    sm_abortWindow = win;
    sm_abortWindow->Show(TRUE);
    wxSafeYield(win,true);
    
    printout->OnBeginPrinting();
    
    bool keepGoing = TRUE;
    
    int copyCount;
    for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
    {
        if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
        {
            wxEndBusyCursor();
            wxMessageBox(wxT("Could not start printing."), wxT("Print Error"), wxOK, parent);
            break;
        }
        if (sm_abortIt)
            break;
        
        int pn;
        for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
        pn++)
        {
            if (sm_abortIt)
            {
                keepGoing = FALSE;
                break;
            }
            else
            {
                GrafPtr thePort ;
                GetPort( &thePort ) ;
                wxSafeYield(win,true);
                SetPort( thePort ) ;
                
                dc->StartPage();
                keepGoing = printout->OnPrintPage(pn);
                dc->EndPage();
            }
        }
        printout->OnEndDocument();
    }
    
    printout->OnEndPrinting();
    
    if (sm_abortWindow)
    {
        sm_abortWindow->Show(FALSE);
        delete sm_abortWindow;
        sm_abortWindow = NULL;
    }
    
    wxEndBusyCursor();
    
    delete dc;
    
    return TRUE;
}

wxDC* wxMacPrinter::PrintDialog(wxWindow *parent)
{
    wxDC* dc = (wxDC*) NULL;
    
    wxPrintDialog dialog(parent, & m_printDialogData);
    int ret = dialog.ShowModal();
    
    if (ret == wxID_OK)
    {
        dc = dialog.GetPrintDC();
        m_printDialogData = dialog.GetPrintDialogData();
    }
    
    return dc;
}

bool wxMacPrinter::Setup(wxWindow *parent)
{
    wxPrintDialog dialog(parent, & m_printDialogData);
    dialog.GetPrintDialogData().SetSetupDialog(TRUE);
    
    int ret = dialog.ShowModal();
    
    if (ret == wxID_OK)
    {
        m_printDialogData = dialog.GetPrintDialogData();
    }
    
    return (ret == wxID_OK);
}

/*
* Print preview
*/

wxMacPrintPreview::wxMacPrintPreview(wxPrintout *printout,
                                     wxPrintout *printoutForPrinting,
                                     wxPrintDialogData *data)
                                     : wxPrintPreviewBase(printout, printoutForPrinting, data)
{
    DetermineScaling();
}

wxMacPrintPreview::wxMacPrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintData *data):
wxPrintPreviewBase(printout, printoutForPrinting, data)
{
    DetermineScaling();
}

wxMacPrintPreview::~wxMacPrintPreview(void)
{
}

bool wxMacPrintPreview::Print(bool interactive)
{
    if (!m_printPrintout)
        return FALSE;
    wxMacPrinter printer(&m_printDialogData);
    return printer.Print(m_previewFrame, m_printPrintout, interactive);
}

void wxMacPrintPreview::DetermineScaling(void)
{
    int screenWidth , screenHeight ;
    wxDisplaySize( &screenWidth , &screenHeight ) ;
    
    m_previewPrintout->SetPPIScreen( 72 , 72 ) ;
    m_previewPrintout->SetPPIPrinter( 72 , 72 ) ;
    m_previewPrintout->SetPageSizeMM( (int) (8.0 * 25.6), (int) (11.0 * 25.6) );
    m_previewPrintout->SetPageSizePixels( 8 * 72 , 11 * 72 ) ;
    m_pageWidth = 8 * 72 ;
    m_pageHeight = 11 * 72 ;
    m_previewScale = 1 ;
    
    // Get a device context for the currently selected printer
    wxPrinterDC printerDC(m_printDialogData.GetPrintData());
    if (printerDC.Ok())
    {
        int x , y ;
        wxCoord ww, hh;
        printerDC.GetSizeMM(&ww, &hh);
        printerDC.GetSize( &x , &y ) ;
        m_previewPrintout->SetPageSizeMM((int)ww, (int)hh);
        m_previewPrintout->SetPageSizePixels( x , y) ;
        m_pageWidth = x ;
        m_pageHeight =  y ;
        m_isOk = true ;
    }
    else
    {
        m_isOk = false ;
    }
    // At 100%, the page should look about page-size on the screen.
    // m_previewScale = (float)((float)screenWidth/(float)printerWidth);
    // m_previewScale = m_previewScale * (float)((float)screenXRes/(float)printerXRes);
    
    m_previewScale = 1 ;
}