Experimenting with plugin and main app communication.

plugins/CalculatorPlugin/CalculatorPlugin.cpp

@@ -332,3 +332,9 @@ void CalculatorPlugin::multiplicativeOperatorClicked()
     pendingMultiplicativeOperator = clickedOperator;
     waitingForOperand = true;
 }
+
+void CalculatorPlugin::connectToHost(QObject* host)
+{
+    Q_UNUSED(host);
+    // Calculator plugin doesn't need host signals
+}

plugins/CalculatorPlugin/CalculatorPlugin.h

@@ -27,6 +27,8 @@ public:
     QString pname()  override;
     QString pdesc()  override;
     QWidget *pcontent()  override;
+    void connectToHost(QObject* host) override;
+
 private:
     QLineEdit *display;
     enum { NumDigitButtons = 10 };

plugins/FileExplorerPlugin/FileExplorerPlugin.cpp

@@ -112,6 +112,7 @@ void FileExplorerPlugin::onDirSelected(const QModelIndex &index) {
     // Show contents of selected dir on the right
     QModelIndex fileRoot = fileModel->setRootPath(path);
     fileList->setRootIndex(fileRoot);
+    emit fileSelected(path);
 }
 
 // ---------- Double-click / activate on file: open editor for text files ----------
@@ -127,8 +128,9 @@ void FileExplorerPlugin::onFileActivated(const QModelIndex &index) {
         return;
     }
 
+
     // Try to open text files in simple editor; binary files will fail to load as text
-    editFile(path);
+    //editFile(path);
 }
 
 // ---------- Context menu: right pane (files + folders) ----------
@@ -391,3 +393,9 @@ void FileExplorerPlugin::editFile(const QString &path) {
         fileList->setRootIndex(fileModel->index(cur));
     }
 }
+
+void FileExplorerPlugin::connectToHost(QObject* host)
+{
+    Q_UNUSED(host);
+    // Calculator plugin doesn't need host signals
+}

plugins/FileExplorerPlugin/FileExplorerPlugin.h

@@ -23,6 +23,8 @@ public:
     QString pname() override;
     QString pdesc() override;
     QWidget *pcontent() override;
+    void connectToHost(QObject* host) override;
+
 
 private slots:
     void onDirSelected(const QModelIndex &index);
@@ -51,6 +53,9 @@ private:
     void editFile(const QString &path);
     bool removePath(const QString &path);
     bool renamePath(const QString &oldPath, const QString &newName);
+
+signals:
+    void fileSelected(const QString& path);
 };
 
 #endif

plugins/IrcClientPlugin/IrcClientPlugin.cpp

@@ -267,3 +267,9 @@ void IrcClientPlugin::append(const QString &line)
 {
     msgs->append(line);
 }
+
+void IrcClientPlugin::connectToHost(QObject* host)
+{
+    Q_UNUSED(host);
+    // Calculator plugin doesn't need host signals
+}

plugins/IrcClientPlugin/IrcClientPlugin.h

@@ -30,6 +30,8 @@ public:
     QString pname()  override;
     QString pdesc()  override;
     QWidget *pcontent()  override;
+    void connectToHost(QObject* host) override;
+
 
 private:
     void append(const QString& line);

plugins/ScreenShotPlugin/ScreenShotPlugin.cpp

@@ -155,3 +155,9 @@ void ScreenShotPlugin::updateceheck()
            hideThisWindowCheckBox->setDisabled(false);
        }
 }
+
+void ScreenShotPlugin::connectToHost(QObject* host)
+{
+    Q_UNUSED(host);
+    // Calculator plugin doesn't need host signals
+}

plugins/ScreenShotPlugin/ScreenShotPlugin.h

@@ -27,6 +27,8 @@ public:
     QString pname()  override;
     QString pdesc()  override;
     QWidget *pcontent()  override ;
+    void connectToHost(QObject* host) override;
+
 
 public slots:
     void updateceheck();

plugins/TerminalPlugin/TerminalPlugin.cpp

@@ -20,8 +20,10 @@ QWidget* TerminalPlugin::pcontent()
     QWidget *test = new QWidget();
     QVBoxLayout *mainLayout = new QVBoxLayout;
 
+    chdir(path.toUtf8().constData());
     console = new QTermWidget(test);
 
+
     QFont font = QApplication::font();
     font.setFamily("Monospace");
     font.setPointSize(12);
@@ -31,6 +33,7 @@ QWidget* TerminalPlugin::pcontent()
     console->setColorScheme("WhiteOnBlack");
 
     console->setContextMenuPolicy(Qt::CustomContextMenu);
+
     connect(console, &QWidget::customContextMenuRequested, this, [=](const QPoint &pos) {
         QMenu menu;
 
@@ -57,6 +60,7 @@ QWidget* TerminalPlugin::pcontent()
         menu.exec(globalPos);
     });
 
+
     test->setWindowTitle(tr("Terminal Plugin"));
     test->resize(600, 400);
     mainLayout->addWidget(console);
@@ -64,3 +68,18 @@ QWidget* TerminalPlugin::pcontent()
 
     return test;
 }
+
+void TerminalPlugin::connectToHost(QObject* host)
+{
+    connect(host, SIGNAL(currentPathChanged(QString)),
+            this, SLOT(onHostPathChanged(QString)));
+}
+
+void TerminalPlugin::onHostPathChanged(const QString &newpath)
+{
+    path = newpath;
+
+    QMessageBox::about(pcontent(), tr("About Terminal"),
+                       tr(newpath.toUtf8().constData()));
+
+}

plugins/TerminalPlugin/TerminalPlugin.h

@@ -4,12 +4,14 @@
 
 #include <../../src/interface.h>
 #include <qtermwidget6/qtermwidget.h>
+#include <unistd.h>
 
 #include <QObject>
 #include <QtPlugin>
 #include <QString>
 #include <QWidget>
 #include <QImage>
+#include <QMessageBox>
 
 class TerminalPlugin : public QObject, public Interface
 {
@@ -21,9 +23,15 @@ public:
     QString pname()  override;
     QString pdesc()  override;
     QWidget *pcontent()  override;
+    void connectToHost(QObject* host) override;
+
 
 private:
     QTermWidget *console;
+    QString path;
+
+private slots:
+    void onHostPathChanged(const QString &newpath);
 
 };
 #endif

plugins/WebBrowserPlugin/WebBrowserPlugin.cpp

@@ -76,3 +76,9 @@ void WebBrowserPlugin::forwardpage()
 {
     view->forward();
 }
+
+void WebBrowserPlugin::connectToHost(QObject* host)
+{
+    Q_UNUSED(host);
+    // Calculator plugin doesn't need host signals
+}

plugins/WebBrowserPlugin/WebBrowserPlugin.h

@@ -16,6 +16,8 @@ public:
     QString pname()  override;
     QString pdesc()  override;
     QWidget *pcontent()  override;
+    void connectToHost(QObject* host) override;
+
 
 private:
     QGroupBox *horizontalGroupBox;

src/mainwindow.cpp

@@ -28,7 +28,7 @@ void MainWindow::createActions()
     connect(exitAct, &QAction::triggered, this, &QWidget::close);
 
     settingsAct = new QAction(QIcon::fromTheme(QIcon::ThemeIcon::WeatherSnow),
-                              tr("&Settings"), this);
+                           tr("&Settings"), this);
     connect(settingsAct, &QAction::triggered, this, &MainWindow::settings);
 
     aboutAct = new QAction(QIcon::fromTheme(QIcon::ThemeIcon::HelpAbout),
@@ -36,7 +36,7 @@ void MainWindow::createActions()
     connect(aboutAct, &QAction::triggered, this, &MainWindow::about);
 
     aboutQtAct = new QAction(QIcon::fromTheme(QIcon::ThemeIcon::HelpAbout),
-                             tr("About &Qt"), this);
+                          tr("About &Qt"), this);
     connect(aboutQtAct, &QAction::triggered, qApp, &QApplication::aboutQt);
 }
 
@@ -63,15 +63,18 @@ void MainWindow::about()
 
 void MainWindow::initSettings()
 {
-    QSettings settings("SOM", "SOM");
+    QSettings settings("som", "som");
 
     if (!settings.contains("window/geometry")) {
         this->resize(QSize(800, 600));
         this->move(this->screen()->geometry().center() - this->frameGeometry().center());
         settings.setValue("window/geometry", this->saveGeometry());
+        projdir = QStandardPaths::writableLocation(QStandardPaths::HomeLocation) + "/som-projects";
+        settings.setValue("window/projdir", this->projdir);
         settings.sync();
     }
     this->restoreGeometry(settings.value("window/geometry").toByteArray());
+    this->projdir = settings.value("window/projdir").toString();
 
     settings.beginGroup("Plugins");
     for (const QString &group : settings.childGroups()) {
@@ -111,7 +114,7 @@ void MainWindow::initSettings()
 
 void MainWindow::saveSettings()
 {
-    QSettings settings("SOM", "SOM");
+    QSettings settings("som", "som");
     settings.setValue("window/geometry", this->saveGeometry());
 
     settings.beginGroup("Plugins");
@@ -141,9 +144,41 @@ void MainWindow::settings()
     QWidget *settingsWin = new QWidget();
     settingsWin->setWindowTitle("Settings");
     settingsWin->resize(300, 200);
+
+    QVBoxLayout *layout = new QVBoxLayout(settingsWin);
+
+    QLabel *dirLabel = new QLabel(projdir, settingsWin);
+    layout->addWidget(dirLabel);
+
+    QPushButton *browseButton = new QPushButton("Browse...", settingsWin);
+    layout->addWidget(browseButton);
+
+    // Connect the button to open the directory dialog
+    connect(browseButton, &QPushButton::clicked, this,
+            [this, dirLabel, settingsWin]() {
+
+                QString selectedDir = QFileDialog::getExistingDirectory(
+                    this,
+                    tr("Select Directory"),
+                    projdir,
+                    QFileDialog::ShowDirsOnly | QFileDialog::DontResolveSymlinks
+                    );
+
+                if (!selectedDir.isEmpty()) {
+                    dirLabel->setText(selectedDir);
+
+                    QSettings settings("som", "som");
+                    settings.setValue("window/projdir", selectedDir);
+
+                    settingsWin->close();   // Close the settings window
+                }
+            });
+
+    settingsWin->setLayout(layout);
     settingsWin->show();
 }
 
+
 void MainWindow::loadPlugins()
 {
 #if DEV_BUILD
@@ -160,6 +195,15 @@ void MainWindow::loadPlugins()
         QObject *plugin = loader.instance();
         if (plugin) {
 
+            auto iPlugin = qobject_cast<Interface*>(plugin);
+            if (iPlugin) {
+
+                iPlugin->connectToHost(this);
+                // *** NEW: connect plugin.signal → MainWindow.slot ***
+                connect(plugin, SIGNAL(fileSelected(QString)),
+                        this,   SLOT(fileSelected(QString)));
+            }
+
             populateMenu(plugin);
         }
     }
@@ -195,9 +239,16 @@ void MainWindow::populateMenu(QObject *plugin)
 }
 
 void MainWindow::addToMenu(QObject *plugin, const QString &text,
-                           QMenu *menu, Member member)
+                       QMenu *menu, Member member)
 {
     auto action = new QAction(text, plugin);
     connect(action, &QAction::triggered, this, member);
     menu->addAction(action);
 }
+
+void MainWindow::fileSelected(const QString &path)
+{
+    emit currentPathChanged(path);
+    QMessageBox::about(this, tr("About SOM"),
+                       tr(path.toUtf8().constData()));
+}

src/mainwindow.h

@@ -43,14 +43,22 @@ private:
     QAction *settingsAct;
     QDir pluginsDir;
     QMdiArea *mdi;
+    QString projdir;
 
 private slots:
     void about();
     void settings();
     void changePlugin();
 
+public slots:
+    void fileSelected(const QString& path);
+
 protected:
     void closeEvent(QCloseEvent *event) override;
 
+signals:
+    void currentPathChanged(const QString& path);
+
+
 };
 #endif // MAINWINDOW_H