From e35878bf57f4107fa1a49a8a4d552ea5ce1b53a9 Mon Sep 17 00:00:00 2001 From: Albert Astals Cid Date: Thu, 28 Dec 2017 17:51:43 +0100 Subject: CUPS: Rework set/clearCupsOption API Previously it was a bit awkward to use, you had to do QStringList cupsOptions = QCUPSSupport::cupsOptionsList(printer); QCUPSSupport::setCupsOption(cupsOptions, option, value); QCUPSSupport::setCupsOptions(printer, cupsOptions); now you simply have to do QCUPSSupport::setCupsOption(printer, option, value); Change-Id: Id31583f1ec72644791d82776debbae5583a2be54 Reviewed-by: Andy Shaw --- src/printsupport/kernel/qcups.cpp | 44 +++++++++++++++------------------------ src/printsupport/kernel/qcups_p.h | 6 ++---- 2 files changed, 19 insertions(+), 31 deletions(-) (limited to 'src/printsupport/kernel') diff --git a/src/printsupport/kernel/qcups.cpp b/src/printsupport/kernel/qcups.cpp index 115ecb0ac2..be170ed619 100644 --- a/src/printsupport/kernel/qcups.cpp +++ b/src/printsupport/kernel/qcups.cpp @@ -43,33 +43,37 @@ QT_BEGIN_NAMESPACE -QStringList QCUPSSupport::cupsOptionsList(QPrinter *printer) +static QStringList cupsOptionsList(QPrinter *printer) Q_DECL_NOTHROW { return printer->printEngine()->property(PPK_CupsOptions).toStringList(); } -void QCUPSSupport::setCupsOptions(QPrinter *printer, const QStringList &cupsOptions) +void setCupsOptions(QPrinter *printer, const QStringList &cupsOptions) Q_DECL_NOTHROW { printer->printEngine()->setProperty(PPK_CupsOptions, QVariant(cupsOptions)); } -void QCUPSSupport::setCupsOption(QStringList &cupsOptions, const QString &option, const QString &value) +void QCUPSSupport::setCupsOption(QPrinter *printer, const QString &option, const QString &value) { + QStringList cupsOptions = cupsOptionsList(printer); if (cupsOptions.contains(option)) { cupsOptions.replace(cupsOptions.indexOf(option) + 1, value); } else { cupsOptions.append(option); cupsOptions.append(value); } + setCupsOptions(printer, cupsOptions); } -void QCUPSSupport::clearCupsOption(QStringList &cupsOptions, const QString &option) +void QCUPSSupport::clearCupsOption(QPrinter *printer, const QString &option) { + QStringList cupsOptions = cupsOptionsList(printer); // ### use const_iterator once QList::erase takes them const QStringList::iterator it = std::find(cupsOptions.begin(), cupsOptions.end(), option); if (it != cupsOptions.end()) { Q_ASSERT(it + 1 < cupsOptions.end()); cupsOptions.erase(it, it+1); + setCupsOptions(printer, cupsOptions); } } @@ -140,30 +144,24 @@ QCUPSSupport::JobHoldUntilWithTime QCUPSSupport::parseJobHoldUntil(const QString void QCUPSSupport::setJobHold(QPrinter *printer, const JobHoldUntil jobHold, const QTime &holdUntilTime) { - QStringList cupsOptions = cupsOptionsList(printer); const QString jobHoldUntilArgument = jobHoldToString(jobHold, holdUntilTime); if (!jobHoldUntilArgument.isEmpty()) { - setCupsOption(cupsOptions, + setCupsOption(printer, QStringLiteral("job-hold-until"), jobHoldUntilArgument); } else { - clearCupsOption(cupsOptions, QStringLiteral("job-hold-until")); + clearCupsOption(printer, QStringLiteral("job-hold-until")); } - setCupsOptions(printer, cupsOptions); } void QCUPSSupport::setJobBilling(QPrinter *printer, const QString &jobBilling) { - QStringList cupsOptions = cupsOptionsList(printer); - setCupsOption(cupsOptions, QStringLiteral("job-billing"), jobBilling); - setCupsOptions(printer, cupsOptions); + setCupsOption(printer, QStringLiteral("job-billing"), jobBilling); } void QCUPSSupport::setJobPriority(QPrinter *printer, int priority) { - QStringList cupsOptions = cupsOptionsList(printer); - setCupsOption(cupsOptions, QStringLiteral("job-priority"), QString::number(priority)); - setCupsOptions(printer, cupsOptions); + setCupsOption(printer, QStringLiteral("job-priority"), QString::number(priority)); } static inline QString bannerPageToString(const QCUPSSupport::BannerPage bannerPage) @@ -209,17 +207,14 @@ QCUPSSupport::JobSheets QCUPSSupport::parseJobSheets(const QString &jobSheets) void QCUPSSupport::setBannerPages(QPrinter *printer, const BannerPage startBannerPage, const BannerPage endBannerPage) { - QStringList cupsOptions = cupsOptionsList(printer); const QString startBanner = bannerPageToString(startBannerPage); const QString endBanner = bannerPageToString(endBannerPage); - setCupsOption(cupsOptions, QStringLiteral("job-sheets"), startBanner + QLatin1Char(',') + endBanner); - setCupsOptions(printer, cupsOptions); + setCupsOption(printer, QStringLiteral("job-sheets"), startBanner + QLatin1Char(',') + endBanner); } void QCUPSSupport::setPageSet(QPrinter *printer, const PageSet pageSet) { - QStringList cupsOptions = cupsOptionsList(printer); QString pageSetString; switch (pageSet) { @@ -234,22 +229,19 @@ void QCUPSSupport::setPageSet(QPrinter *printer, const PageSet pageSet) break; } - setCupsOption(cupsOptions, QStringLiteral("page-set"), pageSetString); - setCupsOptions(printer, cupsOptions); + setCupsOption(printer, QStringLiteral("page-set"), pageSetString); } void QCUPSSupport::setPagesPerSheetLayout(QPrinter *printer, const PagesPerSheet pagesPerSheet, const PagesPerSheetLayout pagesPerSheetLayout) { - QStringList cupsOptions = cupsOptionsList(printer); // WARNING: the following trick (with a [2]-extent) only works as // WARNING: long as there's only one two-digit number in the list // WARNING: and it is the last one (before the "\0")! static const char pagesPerSheetData[][2] = { "1", "2", "4", "6", "9", {'1', '6'}, "\0" }; static const char pageLayoutData[][5] = {"lrtb", "lrbt", "rlbt", "rltb", "btlr", "btrl", "tblr", "tbrl"}; - setCupsOption(cupsOptions, QStringLiteral("number-up"), QLatin1String(pagesPerSheetData[pagesPerSheet])); - setCupsOption(cupsOptions, QStringLiteral("number-up-layout"), QLatin1String(pageLayoutData[pagesPerSheetLayout])); - setCupsOptions(printer, cupsOptions); + setCupsOption(printer, QStringLiteral("number-up"), QLatin1String(pagesPerSheetData[pagesPerSheet])); + setCupsOption(printer, QStringLiteral("number-up-layout"), QLatin1String(pageLayoutData[pagesPerSheetLayout])); } void QCUPSSupport::setPageRange(QPrinter *printer, int pageFrom, int pageTo) @@ -259,9 +251,7 @@ void QCUPSSupport::setPageRange(QPrinter *printer, int pageFrom, int pageTo) void QCUPSSupport::setPageRange(QPrinter *printer, const QString &pageRange) { - QStringList cupsOptions = cupsOptionsList(printer); - setCupsOption(cupsOptions, QStringLiteral("page-ranges"), pageRange); - setCupsOptions(printer, cupsOptions); + setCupsOption(printer, QStringLiteral("page-ranges"), pageRange); } QT_END_NAMESPACE diff --git a/src/printsupport/kernel/qcups_p.h b/src/printsupport/kernel/qcups_p.h index a5af4bcbb0..0afa7fa12f 100644 --- a/src/printsupport/kernel/qcups_p.h +++ b/src/printsupport/kernel/qcups_p.h @@ -129,10 +129,8 @@ public: TopToBottomRightToLeft }; - static QStringList cupsOptionsList(QPrinter *printer); - static void setCupsOptions(QPrinter *printer, const QStringList &cupsOptions); - static void setCupsOption(QStringList &cupsOptions, const QString &option, const QString &value); - static void clearCupsOption(QStringList &cupsOptions, const QString &option); + static void setCupsOption(QPrinter *printer, const QString &option, const QString &value); + static void clearCupsOption(QPrinter *printer, const QString &option); static void setJobHold(QPrinter *printer, const JobHoldUntil jobHold = NoHold, const QTime &holdUntilTime = QTime()); static void setJobBilling(QPrinter *printer, const QString &jobBilling = QString()); 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