yo

src/gui/mod.rs

@@ -0,0 +1,69 @@
+use fltk::{
+    app, prelude::*, window::Window, frame::Frame, group::{Pack, Flex},
+    menu::MenuBar, button::Button, tree::Tree, enums::{FrameType, Align}
+};
+
+pub struct P2PClientGUI {
+    app: app::App,
+    win: Window,
+}
+
+impl P2PClientGUI {
+    pub fn new() -> Self {
+        let app = app::App::default();
+        let mut win = Window::default()
+            .with_size(900, 600)
+            .with_label("P2P Merkle Client");
+
+        // 1. Main Layout: Flex (Vertical)
+        let mut main_flex = Flex::default_fill().column();
+
+        // 2. Menu Bar (Top)
+        let mut menu_bar = MenuBar::default().with_size(win.width(), 30);
+        menu_bar.add_emit("File/Connect", fltk::enums::Shortcut::None, fltk::menu::MenuFlag::Invisible, app::channel().0, ());
+        menu_bar.add_emit("File/Exit", fltk::enums::Shortcut::None, fltk::menu::MenuFlag::Invisible, app::channel().0, ());
+        menu_bar.end();
+
+        // 3. Content Area: Flex (Horizontal)
+        let mut content_flex = Flex::default().row();
+
+        // --- Central Area (Filesystem Tree)
+        let mut fs_tree = Tree::default().with_label("Filesystem View");
+        fs_tree.set_frame(FrameType::FlatBox);
+        // Placeholder data for the tree
+        fs_tree.add("root/Folder A/File 1");
+        fs_tree.add("root/Folder B/File 2");
+
+        content_flex.fixed(&fs_tree, win.width() - 200); // 700px width
+
+        // --- Right-Sided Panel (Known Peers List)
+        let mut right_panel = Pack::default();
+        right_panel.set_frame(FrameType::EngravedBox);
+        right_panel.set_spacing(5);
+
+        Frame::default().with_label("Known Peers").set_align(Align::Top);
+        // List of Labels (placeholder)
+        Frame::default().with_label("Peer A (Online)").set_frame(FrameType::ThinUpBox);
+        Frame::default().with_label("Peer B (Offline)").set_frame(FrameType::ThinUpBox);
+
+        right_panel.end();
+        content_flex.fixed(&right_panel, 200); // 200px width
+
+        content_flex.end();
+
+        main_flex.end(); // End of main layout
+
+        win.end();
+        win.show();
+
+        Self { app, win }
+    }
+
+    pub fn run(&mut self) {
+        // Here you would connect signals from the GUI to the network thread.
+        // For now, it just runs the application loop.
+        while self.app.wait() {
+            // Handle GUI events
+        }
+    }
+}

src/network/mod.rs

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+mod protocol;
+mod peers;