File 0003-QPageSetupWidget-setPrinter-Use-printdevice-default-paper-size.patch of Package libqt5-qtbase

From ff67dedaaff2dc68571ca9c8c6c6eeaaf084eae4 Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <albert.astals.cid@kdab.com>
Date: Wed, 6 Dec 2017 15:27:05 +0100
Subject: [PATCH 1/1] QPageSetupWidget::setPrinter: Use printdevice default
 paper size

This means that actually the paper size set on system settings (or lpoptions) is used instead of A4

Change-Id: I2dd86fd9ba210a335773430328b0ba2d3343395f
Reviewed-by: Frederik Gladhorn <frederik.gladhorn@qt.io>
---
 src/printsupport/dialogs/qpagesetupdialog_unix.cpp | 9 +++++++--
 src/printsupport/dialogs/qpagesetupdialog_unix_p.h | 4 +++-
 src/printsupport/dialogs/qprintdialog_unix.cpp     | 2 +-
 3 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/printsupport/dialogs/qpagesetupdialog_unix.cpp b/src/printsupport/dialogs/qpagesetupdialog_unix.cpp
index 49c0184..6f3bb0d 100644
--- a/src/printsupport/dialogs/qpagesetupdialog_unix.cpp
+++ b/src/printsupport/dialogs/qpagesetupdialog_unix.cpp
@@ -210,7 +210,7 @@ void QUnixPageSetupDialogPrivate::init()
     Q_Q(QPageSetupDialog);
 
     widget = new QPageSetupWidget(q);
-    widget->setPrinter(printer, printer->outputFormat(), printer->printerName());
+    widget->setPrinter(printer, nullptr, printer->outputFormat(), printer->printerName());
 
     QDialogButtonBox *buttons = new QDialogButtonBox(QDialogButtonBox::Ok
                                                      | QDialogButtonBox::Cancel,
@@ -371,12 +371,17 @@ void QPageSetupWidget::initPageSizes()
 
 // Set the dialog to use the given QPrinter
 // Usually only called on first creation
-void QPageSetupWidget::setPrinter(QPrinter *printer, QPrinter::OutputFormat outputFormat, const QString &printerName)
+void QPageSetupWidget::setPrinter(QPrinter *printer, QPrintDevice *printDevice,
+                                  QPrinter::OutputFormat outputFormat, const QString &printerName)
 {
     m_printer = printer;
 
     // Initialize the layout to the current QPrinter layout
     m_pageLayout = m_printer->pageLayout();
+
+    if (printDevice)
+        m_pageLayout.setPageSize(printDevice->defaultPageSize());
+
     // Assume if margins are Points then is by default, so set to locale default units
     if (m_pageLayout.units() == QPageLayout::Point) {
         if (QLocale().measurementSystem() == QLocale::MetricSystem)
diff --git a/src/printsupport/dialogs/qpagesetupdialog_unix_p.h b/src/printsupport/dialogs/qpagesetupdialog_unix_p.h
index 44aca80..574569d 100644
--- a/src/printsupport/dialogs/qpagesetupdialog_unix_p.h
+++ b/src/printsupport/dialogs/qpagesetupdialog_unix_p.h
@@ -64,6 +64,7 @@ QT_REQUIRE_CONFIG(printdialog);
 QT_BEGIN_NAMESPACE
 
 class QPrinter;
+class QPrintDevice;
 class QPagePreview;
 
 class QPageSetupWidget : public QWidget {
@@ -71,7 +72,8 @@ class QPageSetupWidget : public QWidget {
     explicit QPageSetupWidget(QWidget *parent = 0);
     explicit QPageSetupWidget(QPrinter *printer, QWidget *parent = 0);
 
-    void setPrinter(QPrinter *printer, QPrinter::OutputFormat outputFormat, const QString &printerName);
+    void setPrinter(QPrinter *printer, QPrintDevice *printDevice,
+                    QPrinter::OutputFormat outputFormat, const QString &printerName);
     void setupPrinter() const;
 
 private slots:
diff --git a/src/printsupport/dialogs/qprintdialog_unix.cpp b/src/printsupport/dialogs/qprintdialog_unix.cpp
index 020894c..22076bf 100644
--- a/src/printsupport/dialogs/qprintdialog_unix.cpp
+++ b/src/printsupport/dialogs/qprintdialog_unix.cpp
@@ -330,7 +330,7 @@ QPrintPropertiesDialog::QPrintPropertiesDialog(QPrinter *printer, QPrintDevice *
     connect(m_buttons->button(QDialogButtonBox::Ok), SIGNAL(clicked()), this, SLOT(accept()));
     connect(m_buttons->button(QDialogButtonBox::Cancel), SIGNAL(clicked()), this, SLOT(reject()));
 
-    widget.pageSetup->setPrinter(printer, outputFormat, printerName);
+    widget.pageSetup->setPrinter(printer, currentPrintDevice, outputFormat, printerName);
 
 #if QT_CONFIG(cupsjobwidget)
     m_jobOptions = new QCupsJobWidget(printer, currentPrintDevice);
-- 
2.7.4