Fix opening patterns.

--HG--
branch : develop

src/app/mainwindow.cpp

@@ -50,6 +50,8 @@
 #include <QSourceLocation>
 #include <QUndoStack>
 #include <QAction>
+#include <QProcess>
+#include <QSettings>
 
 //---------------------------------------------------------------------------------------------------------------------
 /**
@@ -61,8 +63,8 @@ MainWindow::MainWindow(QWidget *parent)
       currentScene(nullptr), sceneDraw(nullptr), sceneDetails(nullptr), mouseCoordinate(nullptr), helpLabel(nullptr),
       view(nullptr), isInitialized(false), dialogTable(0), dialogTool(nullptr), dialogHistory(nullptr),
       comboBoxDraws(nullptr), curFile(QString()), mode(Draw::Calculation), currentDrawIndex(0),
-      currentToolBoxIndex(0), drawMode(true), recentFileActs{0, 0, 0, 0, 0}, separatorAct(nullptr),
-      autoSaveTimer(nullptr), guiEnabled(true)
+      currentToolBoxIndex(0), drawMode(true), recentFileActs{nullptr, nullptr, nullptr, nullptr, nullptr},
+      separatorAct(nullptr), autoSaveTimer(nullptr), guiEnabled(true)
 {
     CreateActions();
     CreateMenus();
@@ -912,7 +914,7 @@ void MainWindow::OpenRecentFile()
     QAction *action = qobject_cast<QAction *>(sender());
     if (action)
     {
-        LoadPattern(action->data().toString());
+        OpenPattern(action->data().toString());
     }
 }
 
@@ -1464,13 +1466,12 @@ bool MainWindow::Save()
  */
 void MainWindow::Open()
 {
-    if (MaybeSave())
-    {
-        QString filter(tr("Pattern files (*.val)"));
+
+    const QString filter(tr("Pattern files (*.val)"));
     //Get list last open files
     QSettings settings(QSettings::IniFormat, QSettings::UserScope, QApplication::organizationName(),
                        QApplication::applicationName());
-        QStringList files = settings.value("recentFileList").toStringList();
+    const QStringList files = settings.value("recentFileList").toStringList();
     QString dir;
     if (files.isEmpty())
     {
@@ -1481,26 +1482,8 @@ void MainWindow::Open()
         //Absolute path to last open file
         dir = QFileInfo(files.first()).absolutePath();
     }
-        QString fileName = QFileDialog::getOpenFileName(this, tr("Open file"), dir, filter);
-        if (fileName.isEmpty() == false && fileName != curFile)
-        {
-            if (curFile.isEmpty())
-            {
-                LoadPattern(fileName);
-
-                VAbstractTool::NewSceneRect(sceneDraw, view);
-                VAbstractTool::NewSceneRect(sceneDetails, view);
-            }
-            else
-            {
-                QProcess *v = new QProcess(this);
-                QStringList arguments;
-                arguments << fileName;
-                v->startDetached(QCoreApplication::applicationFilePath(), arguments);
-                delete v;
-            }
-        }
-    }
+    const QString filePath = QFileDialog::getOpenFileName(this, tr("Open file"), dir, filter);
+    OpenPattern(filePath);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -2326,3 +2309,22 @@ QString MainWindow::CheckPathToMeasurements(const QString &path, const Measureme
     }
     return path;
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void MainWindow::OpenPattern(const QString &filePath)
+{
+    if (filePath.isEmpty() == false && filePath != curFile)
+    {
+        if (curFile.isEmpty() && this->isWindowModified() == false)
+        {
+            LoadPattern(filePath);
+
+            VAbstractTool::NewSceneRect(sceneDraw, view);
+            VAbstractTool::NewSceneRect(sceneDetails, view);
+        }
+        else
+        {
+            VApplication::NewValentina(filePath);
+        }
+    }
+}

src/app/mainwindow.h

@@ -74,6 +74,9 @@ public slots:
     void               Open();
     void               Preferences();
     void               NewPattern();
+    void               ShowToolTip(const QString &toolTip);
+    void               OpenRecentFile();
+    void               Clear();
 
     void               currentDrawChanged( int index );
     void               OptionDraw();
@@ -134,9 +137,6 @@ public slots:
     void               AboutQt();
     void               PatternProperties();
 
-    void               ShowToolTip(const QString &toolTip);
-    void               OpenRecentFile();
-    void               Clear();
     /**
      * @brief Edit XML code of pattern
      */
@@ -254,6 +254,7 @@ private:
     void               InitAutoSave();
     QString            PatternPieceName(const QString &text);
     QString            CheckPathToMeasurements(const QString &path, const MeasurementsType &patternType);
+    void               OpenPattern(const QString &filePath);
 };
 
 #endif // MAINWINDOW_H

src/app/widgets/vapplication.cpp

@@ -37,6 +37,7 @@
 
 #include <QDebug>
 #include <QDir>
+#include <QProcess>
 #include <QSettings>
 #include <QUndoStack>
 
@@ -68,6 +69,20 @@ VApplication::VApplication(int &argc, char **argv)
     InitPostfixOperators();
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+/**
+ * @brief NewValentina start Valentina in new process, send path to pattern file in argument.
+ * @param fileName path to pattern file.
+ */
+void VApplication::NewValentina(const QString &fileName)
+{
+    QProcess *v = new QProcess();
+    QStringList arguments;
+    arguments << fileName;
+    v->startDetached(QCoreApplication::applicationFilePath(), arguments);
+    delete v;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 /**
  * @brief notify Reimplemented from QApplication::notify().

src/app/widgets/vapplication.h

@@ -51,6 +51,7 @@ class VApplication : public QApplication
 public:
     VApplication(int &argc, char ** argv);
     virtual ~VApplication() {}
+    static void        NewValentina(const QString &fileName);
     virtual bool       notify(QObject * receiver, QEvent * event);
     Unit               patternUnit() const;
     void               setPatternUnit(const Unit &patternUnit);