1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qprinterinfo.h"
#include "qprinterinfo_p.h"
#include <qstringlist.h>
#include <qt_windows.h>
QT_BEGIN_NAMESPACE
#ifndef QT_NO_PRINTER
extern QPrinter::PaperSize mapDevmodePaperSize(int s);
QList<QPrinterInfo> QPrinterInfo::availablePrinters()
{
QList<QPrinterInfo> printers;
DWORD needed = 0;
DWORD returned = 0;
if (!EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 4, 0, 0, &needed, &returned)) {
LPBYTE buffer = new BYTE[needed];
if (EnumPrinters(PRINTER_ENUM_LOCAL | PRINTER_ENUM_CONNECTIONS, NULL, 4, buffer, needed, &needed, &returned)) {
PPRINTER_INFO_4 infoList = reinterpret_cast<PPRINTER_INFO_4>(buffer);
QPrinterInfo defPrn = defaultPrinter();
for (uint i = 0; i < returned; ++i) {
QString printerName(QString::fromWCharArray(infoList[i].pPrinterName));
QPrinterInfo printerInfo(printerName);
if (printerInfo.printerName() == defPrn.printerName())
printerInfo.d_ptr->isDefault = true;
printers.append(printerInfo);
}
}
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);
if (output != noPrinters) {
// Filter out the name of the printer, which should be everything before a comma.
QString printerName = output.split(QLatin1Char(',')).value(0);
QPrinterInfo printerInfo(printerName);
printerInfo.d_ptr->isDefault = true;
return printerInfo;
}
return QPrinterInfo();
}
QList<QPrinter::PaperSize> QPrinterInfo::supportedPaperSizes() const
{
const Q_D(QPrinterInfo);
QList<QPrinter::PaperSize> paperSizes;
if (isNull())
return paperSizes;
DWORD size = DeviceCapabilities(reinterpret_cast<const wchar_t*>(d->name.utf16()),
NULL, DC_PAPERS, NULL, NULL);
if ((int)size != -1) {
wchar_t *papers = new wchar_t[size];
size = DeviceCapabilities(reinterpret_cast<const wchar_t*>(d->name.utf16()),
NULL, DC_PAPERS, papers, NULL);
for (int c = 0; c < (int)size; ++c)
paperSizes.append(mapDevmodePaperSize(papers[c]));
delete [] papers;
}
return paperSizes;
}
#endif // QT_NO_PRINTER
QT_END_NAMESPACE
|
