qt6-bb10/src/plugins/printsupport/cups/qppdprintdevice.cpp

482 lines
18 KiB
C++

// Copyright (C) 2014 John Layt <jlayt@kde.org>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qppdprintdevice.h"
#include "qcupsprintersupport_p.h"
#include "private/qcups_p.h" // Only needed for PDPK_*
#if QT_CONFIG(mimetype)
#include <QtCore/QMimeDatabase>
#endif
#ifndef QT_LINUXBASE // LSB merges everything into cups.h
#include <cups/language.h>
#endif
QT_BEGIN_NAMESPACE
// avoid all the warnings about using deprecated API from CUPS (as there is no real replacement)
QT_WARNING_PUSH
QT_WARNING_DISABLE_DEPRECATED
QPpdPrintDevice::QPpdPrintDevice(const QString &id)
: QPlatformPrintDevice(id),
m_cupsDest(0),
m_ppd(0)
{
if (!id.isEmpty()) {
// TODO For now each dest is an individual device
const auto parts = QStringView{id}.split(u'/');
m_cupsName = parts.at(0).toUtf8();
if (parts.size() > 1)
m_cupsInstance = parts.at(1).toUtf8();
// Get the print instance and PPD file
m_cupsDest = cupsGetNamedDest(CUPS_HTTP_DEFAULT, m_cupsName, m_cupsInstance.isNull() ? nullptr : m_cupsInstance.constData());
if (m_cupsDest) {
const char *ppdFile = cupsGetPPD(m_cupsName);
if (ppdFile) {
m_ppd = ppdOpenFile(ppdFile);
unlink(ppdFile);
}
if (m_ppd) {
ppdMarkDefaults(m_ppd);
cupsMarkOptions(m_ppd, m_cupsDest->num_options, m_cupsDest->options);
ppdLocalize(m_ppd);
m_minimumPhysicalPageSize = QSize(m_ppd->custom_min[0], m_ppd->custom_min[1]);
m_maximumPhysicalPageSize = QSize(m_ppd->custom_max[0], m_ppd->custom_max[1]);
m_customMargins = QMarginsF(m_ppd->custom_margins[0], m_ppd->custom_margins[3],
m_ppd->custom_margins[2], m_ppd->custom_margins[1]);
}
m_name = printerOption("printer-info");
m_location = printerOption("printer-location");
m_makeAndModel = printerOption("printer-make-and-model");
cups_ptype_e type = printerTypeFlags();
m_isRemote = type & CUPS_PRINTER_REMOTE;
// Note this is if the hardware does multiple copies, not if Cups can
m_supportsMultipleCopies = type & CUPS_PRINTER_COPIES;
// Note this is if the hardware does collation, not if Cups can
m_supportsCollateCopies = type & CUPS_PRINTER_COLLATE;
// Custom Page Size support
// Cups cups_ptype_e CUPS_PRINTER_VARIABLE
// Cups ppd_file_t variable_sizes custom_min custom_max
// PPD MaxMediaWidth MaxMediaHeight
m_supportsCustomPageSizes = type & CUPS_PRINTER_VARIABLE;
}
}
}
QPpdPrintDevice::~QPpdPrintDevice()
{
if (m_ppd)
ppdClose(m_ppd);
if (m_cupsDest)
cupsFreeDests(1, m_cupsDest);
m_cupsDest = 0;
m_ppd = 0;
}
bool QPpdPrintDevice::isValid() const
{
return m_cupsDest;
}
bool QPpdPrintDevice::isDefault() const
{
// There seems to be a bug in cups in which printerTypeFlags
// returns CUPS_PRINTER_DEFAULT based only on system values, ignoring user lpoptions
// so we can't use that. And also there seems to be a bug in which dests returned
// by cupsGetNamedDest don't have is_default set at all so we can't use that either
// so go the long route and compare our id against the defaultPrintDeviceId
return id() == QCupsPrinterSupport::staticDefaultPrintDeviceId();
}
QPrint::DeviceState QPpdPrintDevice::state() const
{
// 3 = idle, 4 = printing, 5 = stopped
// More details available from printer-state-message and printer-state-reasons
int state = printerOption(QStringLiteral("printer-state")).toInt();
if (state == 3)
return QPrint::Idle;
else if (state == 4)
return QPrint::Active;
else
return QPrint::Error;
}
void QPpdPrintDevice::loadPageSizes() const
{
m_pageSizes.clear();
m_printableMargins.clear();
ppd_option_t *pageSizes = ppdFindOption(m_ppd, "PageSize");
if (pageSizes) {
for (int i = 0; i < pageSizes->num_choices; ++i) {
const ppd_size_t *ppdSize = ppdPageSize(m_ppd, pageSizes->choices[i].choice);
if (ppdSize) {
// Returned size is in points
QString key = QString::fromUtf8(ppdSize->name);
QSize size = QSize(qRound(ppdSize->width), qRound(ppdSize->length));
QString name = QString::fromUtf8(pageSizes->choices[i].text);
if (!size.isEmpty()) {
QPageSize ps = createPageSize(key, size, name);
if (ps.isValid()) {
m_pageSizes.append(ps);
m_printableMargins.insert(key, QMarginsF(ppdSize->left, ppdSize->length - ppdSize->top,
ppdSize->width - ppdSize->right, ppdSize->bottom));
}
}
}
}
}
m_havePageSizes = true;
}
QPageSize QPpdPrintDevice::defaultPageSize() const
{
ppd_choice_t *defaultChoice = ppdFindMarkedChoice(m_ppd, "PageSize");
if (defaultChoice) {
ppd_size_t *ppdSize = ppdPageSize(m_ppd, defaultChoice->choice);
if (ppdSize) {
// Returned size is in points
QString key = QString::fromUtf8(ppdSize->name);
QSize size = QSize(qRound(ppdSize->width), qRound(ppdSize->length));
QString name = QString::fromUtf8(defaultChoice->text);
return createPageSize(key, size, name);
}
}
return QPageSize();
}
QMarginsF QPpdPrintDevice::printableMargins(const QPageSize &pageSize,
QPageLayout::Orientation orientation,
int resolution) const
{
Q_UNUSED(orientation);
Q_UNUSED(resolution);
if (!m_havePageSizes)
loadPageSizes();
// TODO Orientation?
if (m_printableMargins.contains(pageSize.key()))
return m_printableMargins.value(pageSize.key());
return m_customMargins;
}
void QPpdPrintDevice::loadResolutions() const
{
m_resolutions.clear();
// Try load standard PPD options first
ppd_option_t *resolutions = ppdFindOption(m_ppd, "Resolution");
if (resolutions) {
for (int i = 0; i < resolutions->num_choices; ++i) {
int res = QPrintUtils::parsePpdResolution(resolutions->choices[i].choice);
if (res > 0)
m_resolutions.append(res);
}
}
// If no result, try just the default
if (m_resolutions.size() == 0) {
resolutions = ppdFindOption(m_ppd, "DefaultResolution");
if (resolutions) {
int res = QPrintUtils::parsePpdResolution(resolutions->choices[0].choice);
if (res > 0)
m_resolutions.append(res);
}
}
// If still no result, then try HP's custom options
if (m_resolutions.size() == 0) {
resolutions = ppdFindOption(m_ppd, "HPPrintQuality");
if (resolutions) {
for (int i = 0; i < resolutions->num_choices; ++i) {
int res = QPrintUtils::parsePpdResolution(resolutions->choices[i].choice);
if (res > 0)
m_resolutions.append(res);
}
}
}
if (m_resolutions.size() == 0) {
resolutions = ppdFindOption(m_ppd, "DefaultHPPrintQuality");
if (resolutions) {
int res = QPrintUtils::parsePpdResolution(resolutions->choices[0].choice);
if (res > 0)
m_resolutions.append(res);
}
}
m_haveResolutions = true;
}
int QPpdPrintDevice::defaultResolution() const
{
// Try load standard PPD option first
ppd_option_t *resolution = ppdFindOption(m_ppd, "DefaultResolution");
if (resolution) {
int res = QPrintUtils::parsePpdResolution(resolution->choices[0].choice);
if (res > 0)
return res;
}
// If no result, then try a marked option
ppd_choice_t *defaultChoice = ppdFindMarkedChoice(m_ppd, "Resolution");
if (defaultChoice) {
int res = QPrintUtils::parsePpdResolution(defaultChoice->choice);
if (res > 0)
return res;
}
// If still no result, then try HP's custom options
resolution = ppdFindOption(m_ppd, "DefaultHPPrintQuality");
if (resolution) {
int res = QPrintUtils::parsePpdResolution(resolution->choices[0].choice);
if (res > 0)
return res;
}
defaultChoice = ppdFindMarkedChoice(m_ppd, "HPPrintQuality");
if (defaultChoice) {
int res = QPrintUtils::parsePpdResolution(defaultChoice->choice);
if (res > 0)
return res;
}
// Otherwise return a sensible default.
// TODO What is sensible? 150? 300?
return 72;
}
void QPpdPrintDevice::loadInputSlots() const
{
// NOTE: Implemented in both CUPS and Mac plugins, please keep in sync
// TODO Deal with concatenated names like Tray1Manual or Tray1_Man,
// will currently show as CustomInputSlot
// TODO Deal with separate ManualFeed key
// Try load standard PPD options first
m_inputSlots.clear();
if (m_ppd) {
ppd_option_t *inputSlots = ppdFindOption(m_ppd, "InputSlot");
if (inputSlots) {
m_inputSlots.reserve(inputSlots->num_choices);
for (int i = 0; i < inputSlots->num_choices; ++i)
m_inputSlots.append(QPrintUtils::ppdChoiceToInputSlot(inputSlots->choices[i]));
}
// If no result, try just the default
if (m_inputSlots.size() == 0) {
inputSlots = ppdFindOption(m_ppd, "DefaultInputSlot");
if (inputSlots)
m_inputSlots.append(QPrintUtils::ppdChoiceToInputSlot(inputSlots->choices[0]));
}
}
// If still no result, just use Auto
if (m_inputSlots.size() == 0)
m_inputSlots.append(QPlatformPrintDevice::defaultInputSlot());
m_haveInputSlots = true;
}
QPrint::InputSlot QPpdPrintDevice::defaultInputSlot() const
{
// NOTE: Implemented in both CUPS and Mac plugins, please keep in sync
// Try load standard PPD option first
if (m_ppd) {
ppd_option_t *inputSlot = ppdFindOption(m_ppd, "DefaultInputSlot");
if (inputSlot)
return QPrintUtils::ppdChoiceToInputSlot(inputSlot->choices[0]);
// If no result, then try a marked option
ppd_choice_t *defaultChoice = ppdFindMarkedChoice(m_ppd, "InputSlot");
if (defaultChoice)
return QPrintUtils::ppdChoiceToInputSlot(*defaultChoice);
}
// Otherwise return Auto
return QPlatformPrintDevice::defaultInputSlot();
}
void QPpdPrintDevice::loadOutputBins() const
{
// NOTE: Implemented in both CUPS and Mac plugins, please keep in sync
m_outputBins.clear();
if (m_ppd) {
ppd_option_t *outputBins = ppdFindOption(m_ppd, "OutputBin");
if (outputBins) {
m_outputBins.reserve(outputBins->num_choices);
for (int i = 0; i < outputBins->num_choices; ++i)
m_outputBins.append(QPrintUtils::ppdChoiceToOutputBin(outputBins->choices[i]));
}
// If no result, try just the default
if (m_outputBins.size() == 0) {
outputBins = ppdFindOption(m_ppd, "DefaultOutputBin");
if (outputBins)
m_outputBins.append(QPrintUtils::ppdChoiceToOutputBin(outputBins->choices[0]));
}
}
// If still no result, just use Auto
if (m_outputBins.size() == 0)
m_outputBins.append(QPlatformPrintDevice::defaultOutputBin());
m_haveOutputBins = true;
}
QPrint::OutputBin QPpdPrintDevice::defaultOutputBin() const
{
// NOTE: Implemented in both CUPS and Mac plugins, please keep in sync
// Try load standard PPD option first
if (m_ppd) {
ppd_option_t *outputBin = ppdFindOption(m_ppd, "DefaultOutputBin");
if (outputBin)
return QPrintUtils::ppdChoiceToOutputBin(outputBin->choices[0]);
// If no result, then try a marked option
ppd_choice_t *defaultChoice = ppdFindMarkedChoice(m_ppd, "OutputBin");
if (defaultChoice)
return QPrintUtils::ppdChoiceToOutputBin(*defaultChoice);
}
// Otherwise return AutoBin
return QPlatformPrintDevice::defaultOutputBin();
}
void QPpdPrintDevice::loadDuplexModes() const
{
// NOTE: Implemented in both CUPS and Mac plugins, please keep in sync
// Try load standard PPD options first
m_duplexModes.clear();
if (m_ppd) {
ppd_option_t *duplexModes = ppdFindOption(m_ppd, "Duplex");
if (duplexModes) {
m_duplexModes.reserve(duplexModes->num_choices);
for (int i = 0; i < duplexModes->num_choices; ++i) {
if (ppdInstallableConflict(m_ppd, duplexModes->keyword, duplexModes->choices[i].choice) == 0) {
m_duplexModes.append(QPrintUtils::ppdChoiceToDuplexMode(duplexModes->choices[i].choice));
}
}
}
// If no result, try just the default
if (m_duplexModes.size() == 0) {
duplexModes = ppdFindOption(m_ppd, "DefaultDuplex");
if (duplexModes && (ppdInstallableConflict(m_ppd, duplexModes->keyword, duplexModes->choices[0].choice) == 0)) {
m_duplexModes.append(QPrintUtils::ppdChoiceToDuplexMode(duplexModes->choices[0].choice));
}
}
}
// If still no result, or not added in PPD, then add None
if (m_duplexModes.size() == 0 || !m_duplexModes.contains(QPrint::DuplexNone))
m_duplexModes.append(QPrint::DuplexNone);
// If have both modes, then can support DuplexAuto
if (m_duplexModes.contains(QPrint::DuplexLongSide) && m_duplexModes.contains(QPrint::DuplexShortSide))
m_duplexModes.append(QPrint::DuplexAuto);
m_haveDuplexModes = true;
}
QPrint::DuplexMode QPpdPrintDevice::defaultDuplexMode() const
{
// Try load standard PPD option first
if (m_ppd) {
ppd_option_t *inputSlot = ppdFindOption(m_ppd, "DefaultDuplex");
if (inputSlot)
return QPrintUtils::ppdChoiceToDuplexMode(inputSlot->choices[0].choice);
// If no result, then try a marked option
ppd_choice_t *defaultChoice = ppdFindMarkedChoice(m_ppd, "Duplex");
if (defaultChoice)
return QPrintUtils::ppdChoiceToDuplexMode(defaultChoice->choice);
}
// Otherwise return None
return QPrint::DuplexNone;
}
void QPpdPrintDevice::loadColorModes() const
{
// Cups cups_ptype_e CUPS_PRINTER_BW CUPS_PRINTER_COLOR
// Cups ppd_file_t color_device
// PPD ColorDevice
m_colorModes.clear();
cups_ptype_e type = printerTypeFlags();
if (type & CUPS_PRINTER_BW)
m_colorModes.append(QPrint::GrayScale);
if (type & CUPS_PRINTER_COLOR)
m_colorModes.append(QPrint::Color);
m_haveColorModes = true;
}
QPrint::ColorMode QPpdPrintDevice::defaultColorMode() const
{
// NOTE: Implemented in both CUPS and Mac plugins, please keep in sync
// Not a proper option, usually only know if supports color or not, but some
// users known to abuse ColorModel to always force GrayScale.
if (m_ppd && supportedColorModes().contains(QPrint::Color)) {
ppd_option_t *colorModel = ppdFindOption(m_ppd, "DefaultColorModel");
if (!colorModel)
colorModel = ppdFindOption(m_ppd, "ColorModel");
if (!colorModel || qstrcmp(colorModel->defchoice, "Gray") != 0)
return QPrint::Color;
}
return QPrint::GrayScale;
}
QVariant QPpdPrintDevice::property(QPrintDevice::PrintDevicePropertyKey key) const
{
if (key == PDPK_PpdFile)
return QVariant::fromValue<ppd_file_t *>(m_ppd);
else if (key == PDPK_CupsJobPriority)
return printerOption(QStringLiteral("job-priority"));
else if (key == PDPK_CupsJobSheets)
return printerOption(QStringLiteral("job-sheets"));
else if (key == PDPK_CupsJobBilling)
return printerOption(QStringLiteral("job-billing"));
else if (key == PDPK_CupsJobHoldUntil)
return printerOption(QStringLiteral("job-hold-until"));
return QPlatformPrintDevice::property(key);
}
bool QPpdPrintDevice::setProperty(QPrintDevice::PrintDevicePropertyKey key, const QVariant &value)
{
if (key == PDPK_PpdOption) {
const QStringList values = value.toStringList();
if (values.size() == 2) {
ppdMarkOption(m_ppd, values[0].toLatin1(), values[1].toLatin1());
return true;
}
}
return QPlatformPrintDevice::setProperty(key, value);
}
bool QPpdPrintDevice::isFeatureAvailable(QPrintDevice::PrintDevicePropertyKey key, const QVariant &params) const
{
if (key == PDPK_PpdChoiceIsInstallableConflict) {
const QStringList values = params.toStringList();
if (values.size() == 2)
return ppdInstallableConflict(m_ppd, values[0].toLatin1(), values[1].toLatin1());
}
return QPlatformPrintDevice::isFeatureAvailable(key, params);
}
#if QT_CONFIG(mimetype)
void QPpdPrintDevice::loadMimeTypes() const
{
// TODO No CUPS api? Need to manually load CUPS mime.types file?
// For now hard-code most common support types
QMimeDatabase db;
m_mimeTypes.append(db.mimeTypeForName(QStringLiteral("application/pdf")));
m_mimeTypes.append(db.mimeTypeForName(QStringLiteral("application/postscript")));
m_mimeTypes.append(db.mimeTypeForName(QStringLiteral("image/gif")));
m_mimeTypes.append(db.mimeTypeForName(QStringLiteral("image/png")));
m_mimeTypes.append(db.mimeTypeForName(QStringLiteral("image/jpeg")));
m_mimeTypes.append(db.mimeTypeForName(QStringLiteral("image/tiff")));
m_mimeTypes.append(db.mimeTypeForName(QStringLiteral("text/html")));
m_mimeTypes.append(db.mimeTypeForName(QStringLiteral("text/plain")));
m_haveMimeTypes = true;
}
#endif
QString QPpdPrintDevice::printerOption(const QString &key) const
{
return cupsGetOption(key.toUtf8(), m_cupsDest->num_options, m_cupsDest->options);
}
cups_ptype_e QPpdPrintDevice::printerTypeFlags() const
{
return static_cast<cups_ptype_e>(printerOption("printer-type").toUInt());
}
QT_WARNING_POP
QT_END_NAMESPACE