PrintSupport: modernize connection signal/slot

Change-Id: I6e482cd9503e96cc43ead21122d3690cdb18151c
Reviewed-by: David Faure <david.faure@kdab.com>

4 files changed, 15 insertions, 15 deletions

diff --git a/src/printsupport/dialogs/qpagesetupdialog_unix.cpp b/src/printsupport/dialogs/qpagesetupdialog_unix.cpp
index 0715dfa548..ee7bc62491 100644
--- a/src/printsupport/dialogs/qpagesetupdialog_unix.cpp
+++ b/src/printsupport/dialogs/qpagesetupdialog_unix.cpp
@@ -260,21 +260,21 @@ QPageSetupWidget::QPageSetupWidget(QWidget *parent)
     initUnits();
     initPagesPerSheet();
 
-    connect(m_ui.unitCombo, SIGNAL(activated(int)), this, SLOT(unitChanged()));
+    connect(m_ui.unitCombo, QOverload<int>::of(&QComboBox::activated), this, &QPageSetupWidget::unitChanged);
 
-    connect(m_ui.pageSizeCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(pageSizeChanged()));
-    connect(m_ui.pageWidth, SIGNAL(valueChanged(double)), this, SLOT(pageSizeChanged()));
-    connect(m_ui.pageHeight, SIGNAL(valueChanged(double)), this, SLOT(pageSizeChanged()));
+    connect(m_ui.pageSizeCombo, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &QPageSetupWidget::pageSizeChanged);
+    connect(m_ui.pageWidth, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &QPageSetupWidget::pageSizeChanged);
+    connect(m_ui.pageHeight, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &QPageSetupWidget::pageSizeChanged);
 
-    connect(m_ui.leftMargin, SIGNAL(valueChanged(double)), this, SLOT(leftMarginChanged(double)));
-    connect(m_ui.topMargin, SIGNAL(valueChanged(double)), this, SLOT(topMarginChanged(double)));
-    connect(m_ui.rightMargin, SIGNAL(valueChanged(double)), this, SLOT(rightMarginChanged(double)));
-    connect(m_ui.bottomMargin, SIGNAL(valueChanged(double)), this, SLOT(bottomMarginChanged(double)));
+    connect(m_ui.leftMargin, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &QPageSetupWidget::leftMarginChanged);
+    connect(m_ui.topMargin, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &QPageSetupWidget::topMarginChanged);
+    connect(m_ui.rightMargin, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &QPageSetupWidget::rightMarginChanged);
+    connect(m_ui.bottomMargin, QOverload<double>::of(&QDoubleSpinBox::valueChanged), this, &QPageSetupWidget::bottomMarginChanged);
 
-    connect(m_ui.portrait, SIGNAL(clicked()), this, SLOT(pageOrientationChanged()));
-    connect(m_ui.landscape, SIGNAL(clicked()), this, SLOT(pageOrientationChanged()));
+    connect(m_ui.portrait, &QRadioButton::clicked, this, &QPageSetupWidget::pageOrientationChanged);
+    connect(m_ui.landscape, &QRadioButton::clicked, this, &QPageSetupWidget::pageOrientationChanged);
 
-    connect(m_ui.pagesPerSheetCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(pagesPerSheetChanged()));
+    connect(m_ui.pagesPerSheetCombo, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &QPageSetupWidget::pagesPerSheetChanged);
 }
 
 // Init the Units combo box
diff --git a/src/printsupport/dialogs/qprintdialog_unix.cpp b/src/printsupport/dialogs/qprintdialog_unix.cpp
index a0c8f54a9c..3b53e664c6 100644
--- a/src/printsupport/dialogs/qprintdialog_unix.cpp
+++ b/src/printsupport/dialogs/qprintdialog_unix.cpp
@@ -251,8 +251,8 @@ QPrintPropertiesDialog::QPrintPropertiesDialog(QAbstractPrintDialog *parent)
     lay->addWidget(content);
     lay->addWidget(m_buttons);
 
-    connect(m_buttons->button(QDialogButtonBox::Ok), SIGNAL(clicked()), this, SLOT(accept()));
-    connect(m_buttons->button(QDialogButtonBox::Cancel), SIGNAL(clicked()), this, SLOT(reject()));
+    connect(m_buttons->button(QDialogButtonBox::Ok), &QPushButton::clicked, this, &QPrintPropertiesDialog::accept);
+    connect(m_buttons->button(QDialogButtonBox::Cancel), &QPushButton::clicked, this, &QPrintPropertiesDialog::reject);
 
 #if QT_CONFIG(cupsjobwidget)
     m_jobOptions = new QCupsJobWidget();
diff --git a/src/printsupport/dialogs/qprintpreviewdialog.cpp b/src/printsupport/dialogs/qprintpreviewdialog.cpp
index af7d499eab..906cb19043 100644
--- a/src/printsupport/dialogs/qprintpreviewdialog.cpp
+++ b/src/printsupport/dialogs/qprintpreviewdialog.cpp
@@ -119,7 +119,7 @@ public:
         : QLineEdit(parent)
     {
         setContextMenuPolicy(Qt::NoContextMenu);
-        connect(this, SIGNAL(returnPressed()), SLOT(handleReturnPressed()));
+        connect(this, &LineEdit::returnPressed, this, &LineEdit::handleReturnPressed);
     }
 
 protected:
diff --git a/src/printsupport/widgets/qcupsjobwidget.cpp b/src/printsupport/widgets/qcupsjobwidget.cpp
index 00f2d64df2..39acac020c 100644
--- a/src/printsupport/widgets/qcupsjobwidget.cpp
+++ b/src/printsupport/widgets/qcupsjobwidget.cpp
@@ -104,7 +104,7 @@ void QCupsJobWidget::initJobHold()
     m_ui.jobHoldComboBox->addItem(tr("Weekend (Saturday to Sunday)"),  QVariant::fromValue(QCUPSSupport::Weekend));
     m_ui.jobHoldComboBox->addItem(tr("Specific Time"),                 QVariant::fromValue(QCUPSSupport::SpecificTime));
 
-    connect(m_ui.jobHoldComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(toggleJobHoldTime()));
+    connect(m_ui.jobHoldComboBox, QOverload<int>::of(&QComboBox::currentIndexChanged), this, &QCupsJobWidget::toggleJobHoldTime);
 
     setJobHold(QCUPSSupport::NoHold, QTime());
     toggleJobHoldTime();