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libqt5-qtbase
0014-CUPS-Enable-printing-arbitrary-pages-and-p...
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File 0014-CUPS-Enable-printing-arbitrary-pages-and-page-ranges.patch of Package libqt5-qtbase
From 608301d4c81ce65804a088aaebbd5433a56d69d7 Mon Sep 17 00:00:00 2001 From: Albert Astals Cid <albert.astals.cid@kdab.com> Date: Thu, 28 Dec 2017 11:22:32 +0100 Subject: [PATCH] CUPS: Enable printing arbitrary pages and page ranges Task-number: QTBUG-1311 Change-Id: I8e09def0e0d8c1404d3ee86845d98a30c23b6485 Reviewed-by: Andy Shaw <andy.shaw@qt.io> --- src/printsupport/dialogs/qprintdialog_unix.cpp | 104 +++++++++++++++++++++++ src/printsupport/dialogs/qprintsettingsoutput.ui | 90 +++++++++++++++++--- src/printsupport/kernel/qcups.cpp | 7 +- src/printsupport/kernel/qcups_p.h | 1 + 4 files changed, 188 insertions(+), 14 deletions(-) Index: qtbase-opensource-src-5.9.4/src/printsupport/dialogs/qprintdialog_unix.cpp =================================================================== --- qtbase-opensource-src-5.9.4.orig/src/printsupport/dialogs/qprintdialog_unix.cpp +++ qtbase-opensource-src-5.9.4/src/printsupport/dialogs/qprintdialog_unix.cpp @@ -493,6 +493,9 @@ void QPrintDialogPrivate::init() options.pageSetCombo->addItem(tr("All Pages"), QVariant::fromValue(QCUPSSupport::AllPages)); options.pageSetCombo->addItem(tr("Odd Pages"), QVariant::fromValue(QCUPSSupport::OddPages)); options.pageSetCombo->addItem(tr("Even Pages"), QVariant::fromValue(QCUPSSupport::EvenPages)); +#else + for (int i = options.pagesLayout->count() - 1; i >= 0; --i) + delete options.pagesLayout->itemAt(i)->widget(); #endif top->d->setOptionsPane(this); @@ -561,6 +564,87 @@ void QPrintDialogPrivate::selectPrinter( options.pageSetCombo->setEnabled(true); } +#if QT_CONFIG(cups) +static std::vector<std::pair<int, int>> pageRangesFromString(const QString &pagesString) Q_DECL_NOTHROW +{ + std::vector<std::pair<int, int>> result; + const QStringList items = pagesString.split(','); + for (const QString item : items) { + if (item.isEmpty()) + return {}; + + if (item.contains(QLatin1Char('-'))) { + const QStringList rangeItems = item.split('-'); + if (rangeItems.count() != 2) + return {}; + + bool ok; + const int number1 = rangeItems[0].toInt(&ok); + if (!ok) + return {}; + + const int number2 = rangeItems[1].toInt(&ok); + if (!ok) + return {}; + + if (number1 < 1 || number2 < 1 || number2 < number1) + return {}; + + result.push_back(std::make_pair(number1, number2)); + + } else { + bool ok; + const int number = item.toInt(&ok); + if (!ok) + return {}; + + if (number < 1) + return {}; + + result.push_back(std::make_pair(number, number)); + } + } + + // check no range intersects with the next + std::sort(result.begin(), result.end(), [](std::pair<int, int> it1, std::pair<int, int> it2) { return it1.first < it2.first; }); + int previousSecond = -1; + for (auto pair : result) { + if (pair.first <= previousSecond) + return {}; + + previousSecond = pair.second; + } + + return result; +} + +static QString stringFromPageRanges(const std::vector<std::pair<int, int>> &pageRanges) Q_DECL_NOTHROW +{ + QString result; + + for (auto pair : pageRanges) { + if (!result.isEmpty()) + result += QLatin1Char(','); + + if (pair.first == pair.second) + result += QString::number(pair.first); + else + result += QStringLiteral("%1-%2").arg(pair.first).arg(pair.second); + } + + return result; +} + +static bool isValidPagesString(const QString &pagesString) Q_DECL_NOTHROW +{ + if (pagesString.isEmpty()) + return false; + + auto pagesRanges = pageRangesFromString(pagesString); + return !pagesRanges.empty(); +} +#endif + void QPrintDialogPrivate::setupPrinter() { // First setup the requested OutputFormat, Printer and Page Size first @@ -605,6 +689,16 @@ void QPrintDialogPrivate::setupPrinter() } #if QT_CONFIG(cups) + if (options.pagesRadioButton->isChecked()) { + auto pageRanges = pageRangesFromString(options.pagesLineEdit->text()); + + p->setPrintRange(QPrinter::AllPages); + p->setFromTo(0, 0); + + // server-side page filtering + QCUPSSupport::setPageRange(p, stringFromPageRanges(pageRanges)); + } + // page set if (p->printRange() == QPrinter::AllPages || p->printRange() == QPrinter::PageRange) { //If the application is selecting pages and the first page number is even then need to adjust the odd-even accordingly @@ -801,6 +895,16 @@ int QPrintDialog::exec() void QPrintDialog::accept() { Q_D(QPrintDialog); +#if QT_CONFIG(cups) + if (d->options.pagesRadioButton->isChecked() && !isValidPagesString(d->options.pagesLineEdit->text())) { + QMessageBox::critical(this, tr("Invalid pages definition"), + tr("%1 does not follow the correct syntax. Please use ',' to separate " + "ranges and pages, '-' to define ranges and make sure ranges do " + "not intersect with each other.").arg(d->options.pagesLineEdit->text()), + QMessageBox::Ok, QMessageBox::Ok); + return; + } +#endif d->setupPrinter(); QDialog::accept(); } Index: qtbase-opensource-src-5.9.4/src/printsupport/dialogs/qprintsettingsoutput.ui =================================================================== --- qtbase-opensource-src-5.9.4.orig/src/printsupport/dialogs/qprintsettingsoutput.ui +++ qtbase-opensource-src-5.9.4/src/printsupport/dialogs/qprintsettingsoutput.ui @@ -6,15 +6,24 @@ <rect> <x>0</x> <y>0</y> - <width>426</width> - <height>187</height> + <width>432</width> + <height>251</height> </rect> </property> <property name="windowTitle"> <string>Form</string> </property> <layout class="QHBoxLayout" name="horizontalLayout_2"> - <property name="margin"> + <property name="leftMargin"> + <number>0</number> + </property> + <property name="topMargin"> + <number>0</number> + </property> + <property name="rightMargin"> + <number>0</number> + </property> + <property name="bottomMargin"> <number>0</number> </property> <item> @@ -42,7 +51,16 @@ <property name="spacing"> <number>4</number> </property> - <property name="margin"> + <property name="leftMargin"> + <number>6</number> + </property> + <property name="topMargin"> + <number>6</number> + </property> + <property name="rightMargin"> + <number>6</number> + </property> + <property name="bottomMargin"> <number>6</number> </property> <item> @@ -60,7 +78,16 @@ <property name="spacing"> <number>6</number> </property> - <property name="margin"> + <property name="leftMargin"> + <number>0</number> + </property> + <property name="topMargin"> + <number>0</number> + </property> + <property name="rightMargin"> + <number>0</number> + </property> + <property name="bottomMargin"> <number>0</number> </property> <item> @@ -119,6 +146,27 @@ </layout> </item> <item> + <layout class="QHBoxLayout" name="pagesLayout"> + <item> + <widget class="QRadioButton" name="pagesRadioButton"> + <property name="text"> + <string>Pages</string> + </property> + </widget> + </item> + <item> + <widget class="QLineEdit" name="pagesLineEdit"> + <property name="enabled"> + <bool>false</bool> + </property> + <property name="toolTip"> + <string>Specify pages or ranges separated by commas. Ranges are specified by two numbers separated by a hyphen. E.g: 3,5-7,9 prints pages 3, 5, 6, 7 and 9.</string> + </property> + </widget> + </item> + </layout> + </item> + <item> <widget class="QRadioButton" name="printCurrentPage"> <property name="text"> <string>Current Page</string> @@ -361,12 +409,12 @@ <slot>setEnabled(bool)</slot> <hints> <hint type="sourcelabel"> - <x>76</x> - <y>59</y> + <x>89</x> + <y>113</y> </hint> <hint type="destinationlabel"> - <x>122</x> - <y>57</y> + <x>182</x> + <y>113</y> </hint> </hints> </connection> @@ -377,12 +425,28 @@ <slot>setEnabled(bool)</slot> <hints> <hint type="sourcelabel"> - <x>69</x> - <y>67</y> + <x>82</x> + <y>113</y> + </hint> + <hint type="destinationlabel"> + <x>267</x> + <y>113</y> + </hint> + </hints> + </connection> + <connection> + <sender>pagesRadioButton</sender> + <signal>toggled(bool)</signal> + <receiver>pagesLineEdit</receiver> + <slot>setEnabled(bool)</slot> + <hints> + <hint type="sourcelabel"> + <x>58</x> + <y>132</y> </hint> <hint type="destinationlabel"> - <x>215</x> - <y>67</y> + <x>163</x> + <y>128</y> </hint> </hints> </connection> Index: qtbase-opensource-src-5.9.4/src/printsupport/kernel/qcups.cpp =================================================================== --- qtbase-opensource-src-5.9.4.orig/src/printsupport/kernel/qcups.cpp +++ qtbase-opensource-src-5.9.4/src/printsupport/kernel/qcups.cpp @@ -254,8 +254,13 @@ void QCUPSSupport::setPagesPerSheetLayou void QCUPSSupport::setPageRange(QPrinter *printer, int pageFrom, int pageTo) { + setPageRange(printer, QStringLiteral("%1-%2").arg(pageFrom).arg(pageTo)); +} + +void QCUPSSupport::setPageRange(QPrinter *printer, const QString &pageRange) +{ QStringList cupsOptions = cupsOptionsList(printer); - setCupsOption(cupsOptions, QStringLiteral("page-ranges"), QStringLiteral("%1-%2").arg(pageFrom).arg(pageTo)); + setCupsOption(cupsOptions, QStringLiteral("page-ranges"), pageRange); setCupsOptions(printer, cupsOptions); } Index: qtbase-opensource-src-5.9.4/src/printsupport/kernel/qcups_p.h =================================================================== --- qtbase-opensource-src-5.9.4.orig/src/printsupport/kernel/qcups_p.h +++ qtbase-opensource-src-5.9.4/src/printsupport/kernel/qcups_p.h @@ -142,6 +142,7 @@ public: static void setPagesPerSheetLayout(QPrinter *printer, const PagesPerSheet pagesPerSheet, const PagesPerSheetLayout pagesPerSheetLayout); static void setPageRange(QPrinter *printer, int pageFrom, int pageTo); + static void setPageRange(QPrinter *printer, const QString &pageRange); struct JobSheets {
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