Fixed broken path to measurements after using Save As option.

(grafted from 2e63a19d717ad4ef5d6f38da7ed3b1ed6d7311a6)

--HG--
branch : develop

ChangeLog.txt

@@ -6,6 +6,7 @@
 - [#325] Check pattern for inverse compatibility.
 
 # Version 0.4.2
+- Fixed broken path to measurements after using Save As option.
 - Tool line. Block selecting the same point twice.
 - [#443] Not valid dxf file. libdxf updated to version 3.12.2.0. Fixed drawing subpaths.
 - Fixed combobox width in Dialog "Tool True Dart point".

src/app/valentina/mainwindow.cpp

@@ -2985,7 +2985,7 @@ bool MainWindow::SavePattern(const QString &fileName, QString &error)
     qCDebug(vMainWindow, "Saving pattern file %s.", qUtf8Printable(fileName));
     QFileInfo tempInfo(fileName);
 
-    const QString mPath = doc->MPath();
+    const QString mPath = AbsoluteMPath(curFile, doc->MPath());
     if (not mPath.isEmpty() && curFile != fileName)
     {
         doc->SetPath(RelativeMPath(fileName, mPath));

src/libs/vmisc/def.cpp

@@ -33,6 +33,7 @@
 #include <QComboBox>
 #include <QDir>
 #include <QPrinterInfo>
+#include <QDebug>
 
 // Keep synchronize all names with initialization in VTranslateVars class!!!!!
 //measurements
@@ -1706,38 +1707,35 @@ QString StrippedName(const QString &fullFileName)
 //---------------------------------------------------------------------------------------------------------------------
 QString RelativeMPath(const QString &patternPath, const QString &absoluteMPath)
 {
-    if (patternPath.isEmpty())
+    if (patternPath.isEmpty() || absoluteMPath.isEmpty())
     {
         return absoluteMPath;
     }
 
-    if (absoluteMPath.isEmpty() || QFileInfo(absoluteMPath).isRelative())
+    if (QFileInfo(absoluteMPath).isRelative())
     {
+        qWarning() << QApplication::tr("The path to the measurments is already relative.");
         return absoluteMPath;
     }
 
-    QDir dir(QFileInfo(patternPath).absoluteDir());
-    return dir.relativeFilePath(absoluteMPath);
+    return QFileInfo(patternPath).absoluteDir().relativeFilePath(absoluteMPath);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 QString AbsoluteMPath(const QString &patternPath, const QString &relativeMPath)
 {
-    if (patternPath.isEmpty())
+    if (patternPath.isEmpty() || relativeMPath.isEmpty())
     {
         return relativeMPath;
     }
-    else
-    {
-        if (relativeMPath.isEmpty() || QFileInfo(relativeMPath).isAbsolute())
+
+    if (QFileInfo(relativeMPath).isAbsolute())
     {
+        qWarning() << QApplication::tr("The path to the measurments is already absolute.");
         return relativeMPath;
     }
 
     return QFileInfo(QFileInfo(patternPath).absoluteDir(), relativeMPath).absoluteFilePath();
-    }
-
-    return QString();// should never reach
 }
 
 //---------------------------------------------------------------------------------------------------------------------