Searchbar will now start default search if searchstring is empty

Filterbutton's state will now only be checked if the filter differs from the default settings
Call to SearchOptions() will now return a Filter with default settings {search in each column with no specific filter}

plugins/gui/src/searchbar/searchbar.cpp

@@ -13,6 +13,7 @@
 #include <QStyle>
 #include <QToolButton>
 #include <QDebug>
+#include <gui/searchbar/searchoptions.h>
 
 namespace hal
 {
@@ -205,9 +206,9 @@ namespace hal
     void Searchbar::handleTextEdited()
     {
         repolish();
-        //if the line is empty then start a search with the given filter
+        //if the line is empty then start a search with default searchOptions - no filtering
         if(mLineEdit->text().isEmpty()){
-            Q_EMIT triggerNewSearch(mLineEdit->text(), mCurrentOptions->toInt());
+            Q_EMIT triggerNewSearch(mLineEdit->text(), SearchOptions().toInt());
         }
         else if(mIncrementalSearch && mLineEdit->text().length() >= mMinCharsToStartIncSearch)
         {
@@ -217,7 +218,13 @@ namespace hal
 
     void Searchbar::handleReturnPressed()
     {
-        Q_EMIT triggerNewSearch(mLineEdit->text(), mCurrentOptions->toInt());
+        //if the line is empty then start a search with default searchOptions - no filtering
+        if(mLineEdit->text().isEmpty()){
+            Q_EMIT triggerNewSearch(mLineEdit->text(), SearchOptions().toInt());
+        }
+        else{
+            Q_EMIT triggerNewSearch(mLineEdit->text(), mCurrentOptions->toInt());
+        }
     }
 
     void Searchbar::handleClearClicked()
@@ -271,5 +278,9 @@ namespace hal
             qInfo() << "Searchbar starts search with: " << txt << " " << mCurrentOptions->toInt() << "  inc search: " << mIncrementalSearch << " " << mMinCharsToStartIncSearch;
             Q_EMIT triggerNewSearch(txt, mCurrentOptions->toInt());
         }
+        if(mCurrentOptions->toInt() != SearchOptions().toInt())
+            mSearchOptionsButton->setChecked(true);
+        else
+            mSearchOptionsButton->setChecked(false);
     }
 }

plugins/gui/src/searchbar/searchoptions.cpp

@@ -5,7 +5,13 @@
 namespace hal
 {
     SearchOptions::SearchOptions()
-    {};
+    {
+        //construct default filter options
+        mExactMatch = false;
+        mCaseSensitive = false;
+        mRegularExpression = false;
+        mColumns = {};
+    };
 
     SearchOptions::SearchOptions(int code)
     {