Suchen in Dateien hinzugefügt

src/core/MainWindow.cpp

@@ -35,6 +35,12 @@ MainWindow::MainWindow(QWidget *parent)
     {
         m_projectManager->openProject(lastPath);
     }
+
+    // Letzte Session wiederherstellen (geöffnete Dateien + aktiver Tab)
+    m_editor->restoreSession(
+        m_settings->lastOpenFiles(),
+        m_settings->lastActiveFile()
+    );
 }
 
 MainWindow::~MainWindow() = default;
@@ -110,6 +116,9 @@ void MainWindow::setupMenuBar()
     m_actSearch = mBearbeiten->addAction(tr("&Suchen / Ersetzen…"), this, &MainWindow::onShowSearch);
     m_actSearch->setShortcut(QKeySequence::Find);
 
+    m_actFileSearch = mBearbeiten->addAction(tr("In &Dateien suchen…"), this, &MainWindow::onShowFileSearch);
+    m_actFileSearch->setShortcut(Qt::CTRL | Qt::SHIFT | Qt::Key_F);
+
     // ---- Ansicht ----
     QMenu *mAnsicht = menuBar()->addMenu(tr("&Ansicht"));
 
@@ -272,10 +281,16 @@ void MainWindow::onAbout()
 // ---------------------------------------------------------------------------
 // Slots – Projekt
 // ---------------------------------------------------------------------------
+void MainWindow::onShowFileSearch()
+{
+    m_editor->showFileSearchPanel();
+}
+
 void MainWindow::onProjectOpened(const QString &path)
 {
     setWindowTitle(QString("BareCode – %1").arg(path));
     m_fileTree->setRootPath(path);
+    m_editor->setSearchRoot(path);
     statusBar()->showMessage(tr("Projekt geöffnet: %1").arg(path), 4000);
 }
 
@@ -283,6 +298,7 @@ void MainWindow::onProjectClosed()
 {
     setWindowTitle("BareCode");
     m_fileTree->clearRoot();
+    m_editor->setSearchRoot(QString());
     statusBar()->showMessage(tr("Projekt geschlossen"), 3000);
 }
 
@@ -294,6 +310,10 @@ void MainWindow::saveWindowState()
     QSettings s(QSettings::IniFormat, QSettings::UserScope, "BareCode", "BareCode");
     s.setValue("window/geometry", saveGeometry());
     s.setValue("window/state",    saveState());
+
+    // Session speichern
+    m_settings->setLastOpenFiles(m_editor->openFilePaths());
+    m_settings->setLastActiveFile(m_editor->activeFilePath());
 }
 
 void MainWindow::restoreWindowState()