source: trunk/src/gui/dialogs/qprintdialog_win.cpp@ 949

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#ifndef QT_NO_PRINTDIALOG

#include "qprintdialog.h"

#include <qwidget.h>
#include <qapplication.h>
#include <qmessagebox.h>
#include <private/qapplication_p.h>

#include <private/qabstractprintdialog_p.h>
#include <private/qprintengine_win_p.h>
#include <private/qprinter_p.h>

#if !defined(PD_NOCURRENTPAGE)
#define PD_NOCURRENTPAGE    0x00800000
#define PD_RESULT_PRINT 1
#define PD_RESULT_APPLY 2
#define START_PAGE_GENERAL  0XFFFFFFFF
#endif

QT_BEGIN_NAMESPACE

extern void qt_win_eatMouseMove();

class QPrintDialogPrivate : public QAbstractPrintDialogPrivate
{
    Q_DECLARE_PUBLIC(QPrintDialog)
public:
    QPrintDialogPrivate()
        : ep(0)
    {
    }

    inline void _q_printToFileChanged(int) {}
    inline void _q_rbPrintRangeToggled(bool) {}
    inline void _q_printerChanged(int) {}
    inline void _q_chbPrintLastFirstToggled(bool) {}
    inline void _q_paperSizeChanged(int) {}
    inline void _q_btnBrowseClicked() {}
    inline void _q_btnPropertiesClicked() {}
    int openWindowsPrintDialogModally();

    QWin32PrintEnginePrivate *ep;
};

static void qt_win_setup_PRINTDLGEX(PRINTDLGEX *pd, QWidget *parent,
                                    QPrintDialog *pdlg,
                                    QPrintDialogPrivate *d, HGLOBAL *tempDevNames)
{
    DEVMODE *devMode = d->ep->devMode;

    if (devMode) {
        int size = sizeof(DEVMODE) + devMode->dmDriverExtra;
        pd->hDevMode = GlobalAlloc(GHND, size);
        {
            void *dest = GlobalLock(pd->hDevMode);
            memcpy(dest, devMode, size);
            GlobalUnlock(pd->hDevMode);
        }
    } else {
        pd->hDevMode = NULL;
    }
    pd->hDevNames  = tempDevNames;

    pd->Flags = PD_RETURNDC;
    pd->Flags |= PD_USEDEVMODECOPIESANDCOLLATE;

    if (!pdlg->isOptionEnabled(QPrintDialog::PrintSelection))
        pd->Flags |= PD_NOSELECTION;
    if (pdlg->isOptionEnabled(QPrintDialog::PrintPageRange)) {
        pd->nMinPage = pdlg->minPage();
        pd->nMaxPage = pdlg->maxPage();
    }

    if(!pdlg->isOptionEnabled(QPrintDialog::PrintToFile))
        pd->Flags |= PD_DISABLEPRINTTOFILE;

    if (pdlg->printRange() == QPrintDialog::Selection)
        pd->Flags |= PD_SELECTION;
    else if (pdlg->printRange() == QPrintDialog::PageRange)
        pd->Flags |= PD_PAGENUMS;
    else
        pd->Flags |= PD_ALLPAGES;

    // As stated by MSDN, to enable collate option when minpage==maxpage==0
    // set the PD_NOPAGENUMS flag
    if (pd->nMinPage==0 && pd->nMaxPage==0)
        pd->Flags |= PD_NOPAGENUMS;

    // Disable Current Page option if not required as default is Enabled
    if (!pdlg->isOptionEnabled(QPrintDialog::PrintCurrentPage))
        pd->Flags |= PD_NOCURRENTPAGE;

    // Default to showing the General tab first
    pd->nStartPage = START_PAGE_GENERAL;

    // We don't support more than one page range in the QPrinter API yet.
    pd->nPageRanges = 1;
    pd->nMaxPageRanges = 1;

    if (d->ep->printToFile)
        pd->Flags |= PD_PRINTTOFILE;
    Q_ASSERT(parent);
    pd->hwndOwner = parent->window()->winId();
    pd->lpPageRanges[0].nFromPage = qMax(pdlg->fromPage(), pdlg->minPage());
    pd->lpPageRanges[0].nToPage   = (pdlg->toPage() > 0) ? qMin(pdlg->toPage(), pdlg->maxPage()) : 1;
    pd->nCopies = d->ep->num_copies;
}

static void qt_win_read_back_PRINTDLGEX(PRINTDLGEX *pd, QPrintDialog *pdlg, QPrintDialogPrivate *d)
{
    if (pd->Flags & PD_SELECTION) {
        pdlg->setPrintRange(QPrintDialog::Selection);
        pdlg->setFromTo(0, 0);
    } else if (pd->Flags & PD_PAGENUMS) {
        pdlg->setPrintRange(QPrintDialog::PageRange);
        pdlg->setFromTo(pd->lpPageRanges[0].nFromPage, pd->lpPageRanges[0].nToPage);
    } else if (pd->Flags & PD_CURRENTPAGE) {
        pdlg->setPrintRange(QPrintDialog::CurrentPage);
        pdlg->setFromTo(0, 0);
    } else { // PD_ALLPAGES
        pdlg->setPrintRange(QPrintDialog::AllPages);
        pdlg->setFromTo(0, 0);
    }

    d->ep->printToFile = (pd->Flags & PD_PRINTTOFILE) != 0;

    d->ep->readDevnames(pd->hDevNames);
    d->ep->readDevmode(pd->hDevMode);
    d->ep->updateCustomPaperSize();

    if (d->ep->printToFile && d->ep->fileName.isEmpty())
        d->ep->fileName = d->ep->port;
    else if (!d->ep->printToFile && d->ep->fileName == QLatin1String("FILE:"))
        d->ep->fileName.clear();
}

static bool warnIfNotNative(QPrinter *printer)
{
    if (printer->outputFormat() != QPrinter::NativeFormat) {
        qWarning("QPrintDialog: Cannot be used on non-native printers");
        return false;
    }
    return true;
}

QPrintDialog::QPrintDialog(QPrinter *printer, QWidget *parent)
    : QAbstractPrintDialog( *(new QPrintDialogPrivate), printer, parent)
{
    Q_D(QPrintDialog);
    if (!warnIfNotNative(d->printer))
        return;
    d->ep = static_cast<QWin32PrintEngine *>(d->printer->paintEngine())->d_func();
}

QPrintDialog::QPrintDialog(QWidget *parent)
    : QAbstractPrintDialog( *(new QPrintDialogPrivate), 0, parent)
{