examples: Fix build for configurations that do not have printsupport

printsupport features are only available if the module is available for
the configuration. Every printer feature check has to be coupled with a
check for the module itself.

Change-Id: Id2ca84e71d5d74463d0ff35e8b18b252a779a883
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

6 files changed, 30 insertions, 17 deletions

diff --git a/examples/widgets/itemviews/spreadsheet/printview.cpp b/examples/widgets/itemviews/spreadsheet/printview.cpp
index 7db1a6bad9..7700b4ed6a 100644
--- a/examples/widgets/itemviews/spreadsheet/printview.cpp
+++ b/examples/widgets/itemviews/spreadsheet/printview.cpp
@@ -50,8 +50,12 @@
 
 #include "printview.h"
 
-#ifndef QT_NO_PRINTER
-#include <QPrinter>
+#if defined(QT_PRINTSUPPORT_LIB)
+#  include <QtPrintSupport/qtprintsupportglobal.h>
+
+#  if QT_CONFIG(printer)
+#    include <QPrinter>
+#  endif
 #endif
 
 PrintView::PrintView()
@@ -62,9 +66,11 @@ PrintView::PrintView()
 
 void PrintView::print(QPrinter *printer)
 {
-#ifndef QT_NO_PRINTER
+#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printer)
     resize(printer->width(), printer->height());
     render(printer);
+#else
+    Q_UNUSED(printer)
 #endif
 }
 
diff --git a/examples/widgets/itemviews/spreadsheet/spreadsheet.cpp b/examples/widgets/itemviews/spreadsheet/spreadsheet.cpp
index fc7fbb872c..ac8ea7d437 100644
--- a/examples/widgets/itemviews/spreadsheet/spreadsheet.cpp
+++ b/examples/widgets/itemviews/spreadsheet/spreadsheet.cpp
@@ -638,7 +638,7 @@ QString encode_pos(int row, int col)
 
 void SpreadSheet::print()
 {
-#if QT_CONFIG(printpreviewdialog)
+#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printpreviewdialog)
     QPrinter printer(QPrinter::ScreenResolution);
     QPrintPreviewDialog dlg(&printer);
     PrintView view;
diff --git a/examples/widgets/richtext/textedit/textedit.cpp b/examples/widgets/richtext/textedit/textedit.cpp
index 7708b25a24..c9173bcb99 100644
--- a/examples/widgets/richtext/textedit/textedit.cpp
+++ b/examples/widgets/richtext/textedit/textedit.cpp
@@ -197,7 +197,7 @@ void TextEdit::setupFileActions()
     a->setPriority(QAction::LowPriority);
     menu->addSeparator();
 
-#ifndef QT_NO_PRINTER
+#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printer)
     const QIcon printIcon = QIcon::fromTheme("document-print", QIcon(rsrcPath + "/fileprint.png"));
     a = menu->addAction(printIcon, tr("&Print..."), this, &TextEdit::filePrint);
     a->setPriority(QAction::LowPriority);
@@ -559,7 +559,7 @@ void TextEdit::filePrint()
 
 void TextEdit::filePrintPreview()
 {
-#if QT_CONFIG(printpreviewdialog)
+#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printpreviewdialog)
     QPrinter printer(QPrinter::HighResolution);
     QPrintPreviewDialog preview(&printer, this);
     connect(&preview, &QPrintPreviewDialog::paintRequested, this, &TextEdit::printPreview);
@@ -569,17 +569,17 @@ void TextEdit::filePrintPreview()
 
 void TextEdit::printPreview(QPrinter *printer)
 {
-#ifdef QT_NO_PRINTER
-    Q_UNUSED(printer);
-#else
+#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printer)
     textEdit->print(printer);
+#else
+    Q_UNUSED(printer)
 #endif
 }
 
 
 void TextEdit::filePrintPdf()
 {
-#ifndef QT_NO_PRINTER
+#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printer)
 //! [0]
     QFileDialog fileDialog(this, tr("Export PDF"));
     fileDialog.setAcceptMode(QFileDialog::AcceptSave);
diff --git a/examples/widgets/tutorials/notepad/notepad.pro b/examples/widgets/tutorials/notepad/notepad.pro
index 6451f22735..efe16fc2a2 100644
--- a/examples/widgets/tutorials/notepad/notepad.pro
+++ b/examples/widgets/tutorials/notepad/notepad.pro
@@ -1,6 +1,8 @@
 TEMPLATE = app
 TARGET = notepad
 
+QT += widgets
+
 qtHaveModule(printsupport): QT += printsupport
 requires(qtConfig(fontdialog))
 
diff --git a/examples/widgets/widgets/imageviewer/imageviewer.cpp b/examples/widgets/widgets/imageviewer/imageviewer.cpp
index 70a4cda984..1ed55ca6cb 100644
--- a/examples/widgets/widgets/imageviewer/imageviewer.cpp
+++ b/examples/widgets/widgets/imageviewer/imageviewer.cpp
@@ -69,10 +69,11 @@
 #include <QStatusBar>
 
 #if defined(QT_PRINTSUPPORT_LIB)
-#include <QtPrintSupport/qtprintsupportglobal.h>
-#if QT_CONFIG(printdialog)
-#include <QPrintDialog>
-#endif
+#  include <QtPrintSupport/qtprintsupportglobal.h>
+
+#  if QT_CONFIG(printdialog)
+#    include <QPrintDialog>
+#  endif
 #endif
 
 //! [0]
diff --git a/examples/widgets/widgets/imageviewer/imageviewer.h b/examples/widgets/widgets/imageviewer/imageviewer.h
index 49c7ac205b..9c8388d470 100644
--- a/examples/widgets/widgets/imageviewer/imageviewer.h
+++ b/examples/widgets/widgets/imageviewer/imageviewer.h
@@ -53,8 +53,12 @@
 
 #include <QMainWindow>
 #include <QImage>
-#ifndef QT_NO_PRINTER
-#include <QPrinter>
+#if defined(QT_PRINTSUPPORT_LIB)
+#  include <QtPrintSupport/qtprintsupportglobal.h>
+
+#  if QT_CONFIG(printer)
+#    include <QPrinter>
+#  endif
 #endif
 
 QT_BEGIN_NAMESPACE
@@ -100,7 +104,7 @@ private:
     QScrollArea *scrollArea;
     double scaleFactor = 1;
 
-#ifndef QT_NO_PRINTER
+#if defined(QT_PRINTSUPPORT_LIB) && QT_CONFIG(printer)
     QPrinter printer;
 #endif