Changed the interface to Application and added a new method to get the window.

Author: anirul

examples/02-scene_simple/main.cpp

@@ -9,12 +9,14 @@
 #include <windows.h>
 #endif
 
+#include <imgui.h>
+
 #include "frame/common/application.h"
 #include "frame/file/file_system.h"
 #include "frame/file/image_stb.h"
 #include "frame/gui/draw_gui_factory.h"
-#include "frame/gui/window_resolution.h"
 #include "frame/gui/window_logger.h"
+#include "frame/gui/window_resolution.h"
 #include "frame/window_factory.h"
 #include "modal_info.h"
 
@@ -46,9 +48,12 @@ try
         "Resolution", size, win->GetDesktopSize(), win->GetPixelPerInch());
     ptr_window_resolution = gui_resolution.get();
     gui_window->AddWindow(std::move(gui_resolution));
-    gui_window->AddWindow(
-        std::make_unique<frame::gui::WindowLogger>("Logger"));
+    gui_window->AddWindow(std::make_unique<frame::gui::WindowLogger>("Logger"));
+    // Set the main window in full.
     // gui_window->SetVisible(false);
+    ImGuiStyle& style = ImGui::GetStyle();
+    style.Colors[ImGuiCol_PopupBg] = ImVec4(
+        0.1f, 0.5f, 0.1f, 0.9f); // Dark background with some transparency
     gui_window->AddModalWindow(
         std::make_unique<ModalInfo>("Info", "This is a test modal window."));
     win->GetDevice().AddPlugin(std::move(gui_window));

include/frame/common/application.h

@@ -22,7 +22,12 @@ class Application
      * @param window: The unique pointer to the window (should have been
      *        created prior).
      */
-    Application(std::unique_ptr<frame::WindowInterface>&& window);
+    Application(std::unique_ptr<frame::WindowInterface> window);
+    /**
+     * @brief Get the Window object.
+     * @return The window.
+     */
+    frame::WindowInterface& GetWindow();
     /**
      * @brief Startup this will initialized the inner level of the window
      *        according to a path.
@@ -34,7 +39,7 @@ class Application
      * @brief Same as previously but this use a level.
      * @param level: A unique pointer to a level.
      */
-    void Startup(std::unique_ptr<frame::LevelInterface>&& level);
+    void Startup(std::unique_ptr<frame::LevelInterface> level);
     /**
      * @brief A helper function that call the inner resize of the window.
      * @param size: The new size of the window.

src/frame/common/application.cpp

@@ -5,12 +5,18 @@
 namespace frame::common
 {
 
-Application::Application(std::unique_ptr<frame::WindowInterface>&& window)
+Application::Application(std::unique_ptr<frame::WindowInterface> window)
     : window_(std::move(window))
 {
     assert(window_);
 }
 
+frame::WindowInterface& Application::GetWindow()
+{
+    assert(window_);
+    return *window_;
+}
+
 void Application::Startup(std::filesystem::path path)
 {
     assert(window_);
@@ -25,7 +31,7 @@ void Application::Startup(std::filesystem::path path)
     device.AddPlugin(std::move(plugin));
 }
 
-void Application::Startup(std::unique_ptr<frame::LevelInterface>&& level)
+void Application::Startup(std::unique_ptr<frame::LevelInterface> level)
 {
     assert(window_);
     auto& device = window_->GetDevice();