src/gui/painting/qprinterinfo_win.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui/painting/qprinterinfo_win.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,245 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qprinterinfo.h"
+
+#include <qstringlist.h>
+
+#include <qt_windows.h>
+
+QT_BEGIN_NAMESPACE
+
+#ifndef QT_NO_PRINTER
+
+extern QPrinter::PaperSize mapDevmodePaperSize(int s);
+
+class QPrinterInfoPrivate
+{
+Q_DECLARE_PUBLIC(QPrinterInfo)
+public:
+    ~QPrinterInfoPrivate();
+    QPrinterInfoPrivate();
+    QPrinterInfoPrivate(const QString& name);
+
+private:
+    QString                     m_name;
+    bool                        m_default;
+    bool                        m_isNull;
+
+    QPrinterInfo*               q_ptr;
+};
+
+static QPrinterInfoPrivate nullQPrinterInfoPrivate;
+
+class QPrinterInfoPrivateDeleter
+{
+public:
+    static inline void cleanup(QPrinterInfoPrivate *d)
+    {
+        if (d != &nullQPrinterInfoPrivate)
+            delete d;
+    }
+};
+
+/////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////
+
+QList<QPrinterInfo> QPrinterInfo::availablePrinters()
+{
+    QList<QPrinterInfo> printers;
+    LPBYTE buffer;
+    DWORD needed = 0;
+    DWORD returned = 0;
+
+    if ( !EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 4, 0, 0, &needed, &returned))
+    {
+        buffer = new BYTE[needed];
+        if (!EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS , NULL,
+                           4, buffer, needed, &needed, &returned))
+        {
+            delete [] buffer;
+            return printers;
+        }
+        PPRINTER_INFO_4 infoList = reinterpret_cast<PPRINTER_INFO_4>(buffer);
+        QPrinterInfo defPrn = defaultPrinter();
+        for (uint i = 0; i < returned; ++i) {
+            printers.append(QPrinterInfo(QString::fromWCharArray(infoList[i].pPrinterName)));
+            if (printers.at(i).printerName() == defPrn.printerName())
+                printers[i].d_ptr->m_default = true;
+        }
+        delete [] buffer;
+    }
+
+    return printers;
+}
+
+QPrinterInfo QPrinterInfo::defaultPrinter()
+{
+    QString noPrinters(QLatin1String("qt_no_printers"));
+    wchar_t buffer[256];
+    GetProfileString(L"windows", L"device", (wchar_t*)noPrinters.utf16(), buffer, 256);
+    QString output = QString::fromWCharArray(buffer);
+
+    // Filter out the name of the printer, which should be everything
+    // before a comma.
+    bool noConfiguredPrinters = (output == noPrinters);
+    QStringList info = output.split(QLatin1Char(','));
+    QString printerName = noConfiguredPrinters ? QString() : info.at(0);
+
+    QPrinterInfo prn(printerName);
+    prn.d_ptr->m_default = true;
+    if (noConfiguredPrinters)
+        prn.d_ptr->m_isNull = true;
+    return prn;
+}
+
+/////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////
+
+QPrinterInfo::QPrinterInfo()
+    : d_ptr(&nullQPrinterInfoPrivate)
+{
+}
+
+QPrinterInfo::QPrinterInfo(const QString& name)
+    : d_ptr(new QPrinterInfoPrivate(name))
+{
+    d_ptr->q_ptr = this;
+}
+
+QPrinterInfo::QPrinterInfo(const QPrinterInfo& src)
+    : d_ptr(&nullQPrinterInfoPrivate)
+{
+    *this = src;
+}
+
+QPrinterInfo::QPrinterInfo(const QPrinter& prn)
+    : d_ptr(&nullQPrinterInfoPrivate)
+{
+    QList<QPrinterInfo> list = availablePrinters();
+    for (int c = 0; c < list.size(); ++c) {
+        if (prn.printerName() == list[c].printerName()) {
+            *this = list[c];
+            return;
+        }
+    }
+
+    *this = QPrinterInfo();
+}
+
+QPrinterInfo::~QPrinterInfo()
+{
+}
+
+QPrinterInfo& QPrinterInfo::operator=(const QPrinterInfo& src)
+{
+    Q_ASSERT(d_ptr);
+    d_ptr.reset(new QPrinterInfoPrivate(*src.d_ptr));
+    d_ptr->q_ptr = this;
+    return *this;
+}
+
+QString QPrinterInfo::printerName() const
+{
+    const Q_D(QPrinterInfo);
+    return d->m_name;
+}
+
+bool QPrinterInfo::isNull() const
+{
+    const Q_D(QPrinterInfo);
+    return d->m_isNull;
+}
+
+bool QPrinterInfo::isDefault() const
+{
+    const Q_D(QPrinterInfo);
+    return d->m_default;
+}
+
+QList<QPrinter::PaperSize> QPrinterInfo::supportedPaperSizes() const
+{
+    const Q_D(QPrinterInfo);
+    QList<QPrinter::PaperSize> paperList;
+
+    DWORD size = DeviceCapabilities(reinterpret_cast<const wchar_t*>(d->m_name.utf16()),
+                                    NULL, DC_PAPERS, NULL, NULL);
+    if ((int)size == -1)
+        return paperList;
+
+    wchar_t *papers = new wchar_t[size];
+    size = DeviceCapabilities(reinterpret_cast<const wchar_t*>(d->m_name.utf16()),
+                              NULL, DC_PAPERS, papers, NULL);
+
+    for (int c = 0; c < (int)size; ++c) {
+        paperList.append(mapDevmodePaperSize(papers[c]));
+    }
+
+    delete [] papers;
+
+    return paperList;
+}
+
+/////////////////////////////////////////////////////////////////////////////
+/////////////////////////////////////////////////////////////////////////////
+
+QPrinterInfoPrivate::QPrinterInfoPrivate() :
+    m_default(false),
+    m_isNull(true),
+    q_ptr(NULL)
+{
+}
+
+QPrinterInfoPrivate::QPrinterInfoPrivate(const QString& name) :
+    m_name(name),
+    m_default(false),
+    m_isNull(false),
+    q_ptr(NULL)
+{
+}
+
+QPrinterInfoPrivate::~QPrinterInfoPrivate()
+{
+}
+
+#endif // QT_NO_PRINTER
+
+QT_END_NAMESPACE