Modeling: Fix build with/without SVG

Change-Id: I5152571010fecaf91986a16ca71bf7b89fada064
Reviewed-by: Tobias Hunger <tobias.hunger@theqtcompany.com>

src/libs/modelinglib/modelinglib.pro

@@ -1,7 +1,8 @@
 
 include(../../qtcreatorlibrary.pri)
 
-QT += svg
+!isEmpty(QT.svg.name): QT += svg
+else: DEFINES += QT_NO_SVG
 
 DEFINES += QMT_LIBRARY
 

src/libs/modelinglib/modelinglib.qbs

@@ -9,9 +9,15 @@ QtcLibrary {
         "./qtserialization/inc",
     ])
 
-    Depends { name: "Qt"; submodules: ["widgets", "svg"] }
+    Depends { name: "Qt"; submodules: ["widgets"] }
+    Depends { name: "Qt.svg"; required: false }
     Depends { name: "Utils" }
 
+    Properties {
+        condition: !Qt.svg.present
+        cpp.defines: base.concat("QT_NO_SVG")
+    }
+
     Group {
         name: "Qmt"
         prefix: "./qmt/"

src/libs/modelinglib/qmt/diagram_scene/diagramscenemodel.cpp

@@ -59,7 +59,9 @@
 #include <QPdfWriter>
 #include <QFile>
 
+#ifndef QT_NO_SCG
 #include <QtSvg/QSvgGenerator>
+#endif
 
 namespace qmt {
 
@@ -339,59 +341,6 @@ void DiagramSceneModel::copyToClipboard()
         mimeData->setImageData(image);
     }
 
-#ifdef USE_PDF_CLIPBOARD
-    {
-        const double scaleFactor = 1.0;
-        const double border = 5;
-        const double baseDpi = 100;
-        const double dotsPerMm = 25.4 / baseDpi;
-
-        QBuffer pdfBuffer;
-        pdfBuffer.open(QIODevice::WriteOnly);
-
-        QPdfWriter pdfWriter(&pdfBuffer);
-        QSizeF pageSize = sceneBoundingRect.size();
-        pageSize += QSizeF(2.0 * border, 2.0 * border);
-        pageSize *= scaleFactor;
-        pdfWriter.setPageSize(QPdfWriter::Custom);
-        pdfWriter.setPageSizeMM(pageSize * dotsPerMm);
-
-        QPainter pdfPainter;
-        pdfPainter.begin(&pdfWriter);
-        m_graphicsScene->render(&pdfPainter,
-                                QRectF(border, border,
-                                       pdfPainter.device()->width() - 2 * border,
-                                       pdfPainter.device()->height() - 2 * border),
-                                sceneBoundingRect);
-        pdfPainter.end();
-        pdfBuffer.close();
-        mimeData->setData(QStringLiteral("application/pdf"), pdfBuffer.buffer());
-    }
-#endif
-
-#ifdef USE_SVG_CLIPBOARD
-    {
-        const double border = 5;
-
-        QBuffer svgBuffer;
-        QSvgGenerator svgGenerator;
-        svgGenerator.setOutputDevice(&svgBuffer);
-        QSize svgSceneSize = sceneBoundingRect.size().toSize();
-        svgGenerator.setSize(svgSceneSize);
-        svgGenerator.setViewBox(QRect(QPoint(0,0), svgSceneSize));
-        QPainter svgPainter;
-        svgPainter.begin(&svgGenerator);
-        svgPainter.setRenderHint(QPainter::Antialiasing);
-        m_graphicsScene->render(&svgPainter,
-                                QRectF(border, border,
-                                       svgPainter.device()->width() - 2 * border,
-                                       svgPainter.device()->height() - 2 * border),
-                                sceneBoundingRect);
-        svgPainter.end();
-        mimeData->setData(QStringLiteral("image/svg+xml"), svgBuffer.buffer());
-    }
-#endif
-
     QApplication::clipboard()->setMimeData(mimeData, QClipboard::Clipboard);
 
     if (!copyAll) {
@@ -489,6 +438,7 @@ bool DiagramSceneModel::exportPdf(const QString &fileName)
 
 bool DiagramSceneModel::exportSvg(const QString &fileName)
 {
+#ifndef QT_NO_SVG
     // TODO support exporting selected elements only
     removeExtraSceneItems();
 
@@ -515,6 +465,10 @@ bool DiagramSceneModel::exportSvg(const QString &fileName)
 
     // TODO how to know that file was successfully created?
     return true;
+#else // QT_NO_SVG
+    Q_UNUSED(fileName);
+    return false;
+#endif // QT_NO_SVG
 }
 
 void DiagramSceneModel::selectItem(QGraphicsItem *item, bool multiSelect)

src/plugins/modeleditor/modeleditor.cpp

@@ -524,10 +524,13 @@ void ModelEditor::exportDiagram()
     if (diagram) {
         if (d->lastExportDirPath.isEmpty())
             d->lastExportDirPath = d->document->filePath().toFileInfo().canonicalPath();
+        QString filter = tr("Images (*.png *.jpeg *.jpg *.tif *.tiff);;PDF (*.pdf)");
+#ifndef QT_NO_SVG
+        filter += tr(";;SVG (*.svg)");
+#endif // QT_NO_SVG
         QString fileName = QFileDialog::getSaveFileName(
                     Core::ICore::dialogParent(),
-                    tr("Export Diagram"), d->lastExportDirPath,
-                    tr("Images (*.png *.jpeg *.jpg *.tif *.tiff);;PDF (*.pdf);;SVG (*.svg)"));
+                    tr("Export Diagram"), d->lastExportDirPath, filter);
         if (!fileName.isEmpty()) {
             qmt::DocumentController *documentController = d->document->documentController();
             qmt::DiagramSceneModel *sceneModel = documentController->diagramsManager()->diagramSceneModel(diagram);
@@ -535,13 +538,15 @@ void ModelEditor::exportDiagram()
             QString suffix = QFileInfo(fileName).suffix().toLower();
             // TODO use QFileDialog::selectedNameFilter() as fallback if no suffix is given
             if (suffix.isEmpty()) {
-                suffix = QStringLiteral(".png");
-                fileName += suffix;
+                suffix = QStringLiteral("png");
+                fileName += QStringLiteral(".png");
             }
-            if (suffix == QStringLiteral(".pdf"))
+            if (suffix == QStringLiteral("pdf"))
                 success = sceneModel->exportPdf(fileName);
-            else if (suffix == QStringLiteral(".svg"))
+#ifndef QT_NO_SVG
+            else if (suffix == QStringLiteral("svg"))
                 success = sceneModel->exportSvg(fileName);
+#endif // QT_NO_SVG
             else
                 success = sceneModel->exportImage(fileName);
             if (success)

src/plugins/modeleditor/modeleditor.pro

@@ -4,27 +4,7 @@ DEFINES += MODELEDITOR_LIBRARY
 
 QT += core gui widgets
 
-!win32:CONFIG(pdf) {
-    DEFINES += USE_PDF_CLIPBOARD
-}
-
-!win32:CONFIG(svg): {
-    QT += svg
-    DEFINES += USE_SVG_CLIPBOARD
-}
-
-#win32:CONFIG(emf): {
-#    DEFINES += USE_EMF USE_EMF_CLIPBOARD
-#
-#    SOURCES += \
-#        emf-engine/qemfpaintengine.cpp \
-#        emf-engine/qemfwriter.cpp
-#
-#    HEADERS += \
-#        emf-engine/qemfpaintengine.h \
-#        emf-engine/qemfwriter.h
-#
-#}
+isEmpty(QT.svg.name): DEFINES += QT_NO_SVG
 
 SOURCES += \
     actionhandler.cpp \

src/plugins/modeleditor/modeleditor.qbs

@@ -6,12 +6,18 @@ QtcPlugin {
     name: "ModelEditor"
 
     Depends { name: "Qt.widgets" }
+    Depends { name: "Qt.svg"; required: false }
     Depends { name: "Core" }
     Depends { name: "CPlusPlus" }
     Depends { name: "CppTools" }
     Depends { name: "ProjectExplorer" }
     Depends { name: "ModelingLib" }
 
+    Properties {
+        condition: !Qt.svg.present
+        cpp.defines: base.concat("QT_NO_SVG")
+    }
+
     cpp.includePaths: [
         "qmt",
         "qstringparser",