refactor: add/delete checks in search code

src/persistence/history.cpp

@@ -333,9 +333,7 @@ QDateTime History::getDateWhereFindPhrase(const QString& friendPk, const QDateTi
         counts.append(QDateTime::fromMSecsSinceEpoch(row[0].toLongLong()));
     };
 
-    if (phrase.contains("'")) {
     phrase.replace("'", "''");
-    }
 
     QString queryText =
         QString("SELECT timestamp "

src/widget/form/genericchatform.cpp

@@ -311,7 +311,6 @@ void GenericChatForm::showEvent(QShowEvent*)
 bool GenericChatForm::event(QEvent* e)
 {
     // If the user accidentally starts typing outside of the msgEdit, focus it automatically
-
     if (e->type() == QEvent::KeyRelease && !msgEdit->hasFocus()) {
         QKeyEvent* ke = static_cast<QKeyEvent*>(e);
         if ((ke->modifiers() == Qt::NoModifier || ke->modifiers() == Qt::ShiftModifier)
@@ -549,13 +548,15 @@ void GenericChatForm::disableSearchText()
         QVector<ChatLine::Ptr> lines = chatWidget->getLines();
         int numLines = lines.size();
         int index = numLines - searchPoint.x();
-        if (numLines > index) {
+        if (index >= 0 && numLines > index) {
             ChatLine::Ptr l = lines[index];
+            if (l->getColumnCount() >= 2) {
                 ChatLineContent* content = l->getContent(1);
                 Text* text = static_cast<Text*>(content);
                 text->deselectText();
             }
         }
+    }
 }
 
 bool GenericChatForm::searchInText(const QString& phrase, bool searchUp)