Fixed #1831 (GUI: no progress bar when rechecking files)

Need to initialize the checking also when rechecking.

gui/mainwindow.cpp

@@ -416,6 +416,11 @@ void MainWindow::ReCheck()
 {
     ClearResults();
     EnableCheckButtons(false);
+
+    const int filesCount = mThread->GetPreviousFilesCount();
+    Q_ASSERT(filesCount > 0); // If no files should not be able to recheck
+    mUI.mResults->CheckingStarted(filesCount);
+
     mThread->Check(GetCppcheckSettings(), true);
 }
 

gui/threadhandler.cpp

@@ -173,3 +173,8 @@ bool ThreadHandler::HasPreviousFiles() const
 
     return false;
 }
+
+int ThreadHandler::GetPreviousFilesCount() const
+{
+    return mLastFiles.size();
+}

gui/threadhandler.h

@@ -103,6 +103,13 @@ public:
     */
     bool HasPreviousFiles() const;
 
+    /**
+    * @brief Return count of files we checked last time.
+    *
+    * @return count of files that were checked last time.
+    */
+    int GetPreviousFilesCount() const;
+
 signals:
     /**
     * @brief Signal that all threads are done