SearchViewList : Code refactoring + When you select a text and press Backspace/Delete it removes the text and if you press a character key it'll replace that selected text with the key

src/gui/Src/BasicView/SearchListView.cpp

@@ -2,7 +2,6 @@
 #include "ui_SearchListView.h"
 #include "FlickerThread.h"
 
-#include <QMessageBox>
 
 SearchListView::SearchListView(QWidget* parent) :
     QWidget(parent),
@@ -187,6 +186,81 @@ void SearchListView::on_checkBoxRegex_toggled(bool checked)
     searchTextChanged(ui->searchBox->text());
 }
 
+void SearchListView::addCharToSearchBox(char ch)
+{
+    QString newText;
+    newText = mSearchBox->text();
+
+    // If text is selected
+    if(mSearchBox->hasSelectedText())
+    {
+        QString selectedText = mSearchBox->selectedText();
+        int indexOfSelectedText = newText.indexOf(selectedText);
+
+        if(indexOfSelectedText != -1)
+        {
+            newText.replace(indexOfSelectedText, selectedText.length(), QString(ch));
+            mCursorPosition = indexOfSelectedText;
+            mSearchBox->setText(newText);
+        }
+
+    }
+    // No text selected
+    else
+    {
+        mSearchBox->setText(mSearchBox->text().insert(mSearchBox->cursorPosition(), QString(ch)));
+        mCursorPosition++;
+    }
+}
+
+void SearchListView::deleteTextFromSearchBox(QKeyEvent *keyEvent)
+{
+    QString newText;
+    newText = mSearchBox->text();
+
+    // If Ctrl key pressed
+    if(keyEvent->modifiers() == Qt::ControlModifier)
+    {
+        newText = "";
+        mCursorPosition = 0;
+    }
+    else
+    {
+        // If text is selected
+        if(mSearchBox->hasSelectedText())
+        {
+            QString selectedText = mSearchBox->selectedText();
+            int indexOfSelectedText = newText.indexOf(selectedText);
+
+            if(indexOfSelectedText != -1)
+            {
+                newText.remove(indexOfSelectedText, selectedText.length());
+                mCursorPosition = indexOfSelectedText;
+            }
+        }
+        // No text selected
+        else
+        {
+            // Backspace Key
+            if(keyEvent->key() == Qt::Key_Backspace)
+            {
+                if(mCursorPosition > 0)
+                    newText.remove(mCursorPosition-1, 1);
+
+                (mCursorPosition - 1) < 0 ? mCursorPosition = 0 : mCursorPosition--;
+            }
+            // Delete Key
+            else
+            {
+                if(mCursorPosition < newText.length())
+                    newText.remove(mCursorPosition, 1);
+            }
+        }
+    }
+
+    mSearchBox->setText(newText);
+}
+
 bool SearchListView::eventFilter(QObject *obj, QEvent *event)
 {
     // Click in searchBox
@@ -209,36 +283,21 @@ bool SearchListView::eventFilter(QObject *obj, QEvent *event)
         QKeyEvent *keyEvent = static_cast<QKeyEvent* >(event);
         char ch = keyEvent->text().toUtf8().constData()[0];
 
-        if(isprint(ch)) //add a char to the search box
+        //add a char to the search box
-        {
+        if(isprint(ch))
-            mSearchBox->setText(mSearchBox->text().insert(mSearchBox->cursorPosition(), QString(QChar(ch))));
+            addCharToSearchBox(ch);
-            mCursorPosition++;
-        }
-        else if(keyEvent->key() == Qt::Key_Backspace) //remove a char from the search box
-        {
-            QString newText;
-            if(keyEvent->modifiers() == Qt::ControlModifier) //clear the search box
-            {
-                newText = "";
-                mCursorPosition = 0;
-            }
-            else
-            {
-                newText = mSearchBox->text();
 
-                if(mCursorPosition > 0)
+        //remove a char from the search box
-                    newText.remove(mCursorPosition-1, 1);
+        else if(keyEvent->key() == Qt::Key_Backspace || keyEvent->key() == Qt::Key_Delete)
+            deleteTextFromSearchBox(keyEvent);
 
-                ((mCursorPosition - 1) < 0) ? mCursorPosition = 0 : mCursorPosition--;
+        // user pressed enter
-            }
+        else if((keyEvent->key() == Qt::Key_Return || keyEvent->key() == Qt::Key_Enter))
-            mSearchBox->setText(newText);
-        }
-        else if((keyEvent->key() == Qt::Key_Return || keyEvent->key() == Qt::Key_Enter)) //user pressed enter
-        {
             if(mCurList->getCellContent(mCurList->getInitialSelection(), 0).length())
                 emit enterPressedSignal();
-        }
+
-        else if(keyEvent->key() == Qt::Key_Escape) // Press escape, clears the search box
+        // Press escape, clears the search box
+            else if(keyEvent->key() == Qt::Key_Escape)
             {
                 mSearchBox->clear();
                 mCursorPosition = 0;

src/gui/Src/BasicView/SearchListView.h

@@ -47,6 +47,8 @@ private:
     QWidget* mListPlaceHolder;
     QAction* mSearchAction;
     int mCursorPosition;
+    void addCharToSearchBox(char ch);
+    void deleteTextFromSearchBox(QKeyEvent *keyEvent);
 
 protected:
     bool eventFilter(QObject *obj, QEvent *event);