IRCClient: Start using GStackWidget for the subwindows.

Applications/IRCClient/IRCAppWindow.cpp

@@ -1,6 +1,7 @@
 #include "IRCAppWindow.h"
 #include "IRCClientWindow.h"
 #include "IRCClientWindowListModel.h"
+#include <LibGUI/GStackWidget.h>
 #include <LibGUI/GTableView.h>
 #include <LibGUI/GBoxLayout.h>
 
@@ -28,14 +29,6 @@ void IRCAppWindow::setup_client()
         ensure_window(IRCClientWindow::Channel, channel_name);
     };
 
-    m_client.on_query_message = [this] (const String& name) {
-        // FIXME: Update query view.
-    };
-
-    m_client.on_channel_message = [this] (const String& channel_name) {
-        // FIXME: Update channel view.
-    };
-
     m_client.connect();
 }
 
@@ -46,22 +39,23 @@ void IRCAppWindow::setup_widgets()
     set_main_widget(widget);
     widget->set_layout(make<GBoxLayout>(Orientation::Horizontal));
 
-    auto* subwindow_list = new GTableView(widget);
-    subwindow_list->set_headers_visible(false);
-    subwindow_list->set_model(OwnPtr<IRCClientWindowListModel>(m_client.client_window_list_model()));
-    subwindow_list->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
-    subwindow_list->set_preferred_size({ 120, 0 });
+    auto* window_list = new GTableView(widget);
+    window_list->set_headers_visible(false);
+    window_list->set_model(OwnPtr<IRCClientWindowListModel>(m_client.client_window_list_model()));
+    window_list->set_size_policy(SizePolicy::Fixed, SizePolicy::Fill);
+    window_list->set_preferred_size({ 120, 0 });
+    m_client.client_window_list_model()->on_activation = [this] (IRCClientWindow& window) {
+        m_container->set_active_widget(&window);
+    };
 
-    m_subwindow_container = new GWidget(widget);
-    m_subwindow_container->set_layout(make<GBoxLayout>(Orientation::Vertical));
-    m_subwindow_container->set_size_policy(SizePolicy::Fill, SizePolicy::Fill);
+    m_container = new GStackWidget(widget);
 
     create_subwindow(IRCClientWindow::Server, "Server");
 }
 
 IRCClientWindow& IRCAppWindow::create_subwindow(IRCClientWindow::Type type, const String& name)
 {
-    return *new IRCClientWindow(m_client, type, name, m_subwindow_container);
+    return *new IRCClientWindow(m_client, type, name, m_container);
 }
 
 IRCClientWindow& IRCAppWindow::ensure_window(IRCClientWindow::Type type, const String& name)

Applications/IRCClient/IRCAppWindow.h

@@ -5,6 +5,8 @@
 #include "IRCClient.h"
 #include "IRCClientWindow.h"
 
+class GStackWidget;
+
 class IRCAppWindow : public GWindow {
 public:
     IRCAppWindow();
@@ -19,5 +21,5 @@ private:
 
     IRCClient m_client;
 
-    GWidget* m_subwindow_container { nullptr };
+    GStackWidget* m_container { nullptr };
 };

Applications/IRCClient/IRCClient.cpp

@@ -199,7 +199,7 @@ void IRCClient::join_channel(const String& channel_name)
     send(String::format("JOIN %s\r\n", channel_name.characters()));
 }
 
-void IRCClient::handle(const Message& msg, const String& verbatim)
+void IRCClient::handle(const Message& msg, const String&)
 {
     printf("IRCClient::execute: prefix='%s', command='%s', arguments=%d\n",
         msg.prefix.characters(),

Applications/IRCClient/IRCClientWindowListModel.cpp

@@ -52,6 +52,8 @@ void IRCClientWindowListModel::update()
     did_update();
 }
 
-void IRCClientWindowListModel::activate(const GModelIndex&)
+void IRCClientWindowListModel::activate(const GModelIndex& index)
 {
+    if (on_activation)
+        on_activation(m_client.window_at(index.row()));
 }

Applications/IRCClient/IRCClientWindowListModel.h

@@ -1,8 +1,10 @@
 #pragma once
 
 #include <LibGUI/GTableModel.h>
+#include <AK/Function.h>
 
 class IRCClient;
+class IRCClientWindow;
 
 class IRCClientWindowListModel final : public GTableModel {
 public:
@@ -21,6 +23,8 @@ public:
     virtual void update() override;
     virtual void activate(const GModelIndex&) override;
 
+    Function<void(IRCClientWindow&)> on_activation;
+
 private:
     IRCClient& m_client;
 };