Added support for ctrl+Enter submission in open shellcode tab (#2851)

* Added support for ctrl+Enter submission in shellcode tab in the new file dialog

src/dialogs/NewFileDialog.cpp

@@ -75,6 +75,9 @@ NewFileDialog::NewFileDialog(MainWindow *main)
     /* Set focus on the TextInput */
     ui->newFileEdit->setFocus();
 
+    /* Install an event filter for shellcode text edit to enable ctrl+return event */
+    ui->shellcodeText->installEventFilter(this);
+
     updateLoadProjectButton();
 }
 
@@ -366,3 +369,32 @@ void NewFileDialog::on_tabWidget_currentChanged(int index)
 {
     Config()->setNewFileLastClicked(index);
 }
+
+bool NewFileDialog::eventFilter(QObject * /*obj*/, QEvent *event)
+{
+    QString shellcode = ui->shellcodeText->toPlainText();
+    QString extractedCode = "";
+    static const QRegularExpression rx("([0-9a-f]{2})", QRegularExpression::CaseInsensitiveOption);
+    QRegularExpressionMatchIterator i = rx.globalMatch(shellcode);
+    int size = 0;
+
+    if (event->type() == QEvent::KeyPress) {
+        QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+
+        // Confirm comment by pressing Ctrl/Cmd+Return
+        if ((keyEvent->modifiers() & Qt::ControlModifier)
+            && ((keyEvent->key() == Qt::Key_Enter) || (keyEvent->key() == Qt::Key_Return))) {
+            while (i.hasNext()) {
+                QRegularExpressionMatch match = i.next();
+                extractedCode.append(match.captured(1));
+            }
+            size = extractedCode.size() / 2;
+            if (size > 0) {
+                loadShellcode(extractedCode, size);
+            }
+            return true;
+        }
+    }
+
+    return false;
+}

src/dialogs/NewFileDialog.h

@@ -69,6 +69,8 @@ private:
     void loadProject(const QString &project);
     void loadShellcode(const QString &shellcode, const int size);
 
+    bool eventFilter(QObject *obj, QEvent *event);
+
     static const int MaxRecentFiles = 5;
 };