feat: Implement Window and WindowManager classes for macOS

Author: lijy91

CMakeLists.txt

@@ -7,3 +7,4 @@ add_subdirectory(src)
 
 # Add example programs subdirectory
 add_subdirectory(examples/screen_info)
+add_subdirectory(examples/window_example)

examples/window_example/CMakeLists.txt

@@ -0,0 +1,28 @@
+cmake_minimum_required(VERSION 3.10)
+
+project(window_example VERSION 0.0.1 LANGUAGES CXX)
+
+# Set C++ standard
+set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Add example program
+add_executable(window_example
+  "main.cpp"
+)
+
+# Link main library
+target_link_libraries(window_example PRIVATE libnativeapi)
+
+# Set example program properties
+set_target_properties(window_example PROPERTIES
+  OUTPUT_NAME "window_example"
+)
+
+# Set example program compile options (macOS only)
+if(APPLE)
+  set_source_files_properties("main.cpp"
+    PROPERTIES
+    COMPILE_FLAGS "-x objective-c++"
+  )
+endif()

examples/window_example/main.cpp

@@ -0,0 +1,30 @@
+#include <iostream>
+#include "nativeapi.h"
+
+using nativeapi::Window;
+using nativeapi::WindowManager;
+
+int main() {
+  WindowManager windowManager = WindowManager();
+
+  windowManager.Create();
+
+  // Get primary display information
+  Window currentWindow = windowManager.GetCurrent();
+  std::cout << "Current Window Information:" << std::endl;
+  std::cout << "ID: " << currentWindow.id << std::endl;
+  std::cout << "Name: " << currentWindow.name << std::endl;
+  std::cout << std::endl;
+
+  // Get all displays information
+  std::vector<Window> windowList = windowManager.GetAll();
+  std::cout << "All Windows Information:" << std::endl;
+  for (int i = 0; i < windowList.size(); i++) {
+    Window& window = windowList[i];
+    std::cout << "Window " << (i + 1) << ":" << std::endl;
+    std::cout << "ID: " << window.id << std::endl;
+    std::cout << "Name: " << window.name << std::endl;
+    std::cout << std::endl;
+  }
+  return 0;
+}

include/nativeapi.h

@@ -2,4 +2,6 @@
 
 #include "../src/display.h"
 #include "../src/geometry.h"
-#include "../src/screen_retriever.h"
+#include "../src/screen_retriever.h"
+#include "../src/window.h"
+#include "../src/window_manager.h"

src/screen_retriever.h

@@ -16,7 +16,7 @@ enum class ScreenEventType : uint8_t {
   DisplayRemoved = 0x02,  // Display disconnected
 };
 
-// Abstract base class for ScreenRetriever
+// ScreenRetriever is a singleton that manages all screens on the system.
 class ScreenRetriever {
  public:
   ScreenRetriever();

src/window.h

@@ -0,0 +1,15 @@
+#pragma once
+#include <string>
+
+namespace nativeapi {
+
+class Window {
+ public:
+  Window();
+  virtual ~Window();
+
+  std::string id;
+  std::string name;
+};
+
+}  // namespace nativeapi

src/window_macos.mm

@@ -0,0 +1,16 @@
+#include "window.h"
+#include "window_manager.h"
+
+// Import Cocoa headers
+#import <Cocoa/Cocoa.h>
+
+namespace nativeapi {
+
+Window::Window() {
+  id = "window1";
+  name = "Window 1";
+}
+
+Window::~Window() {}
+
+}  // namespace nativeapi

src/window_manager.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <vector>
+
+namespace nativeapi {
+
+// WindowManager is a singleton that manages all windows on the system.
+class WindowManager {
+ public:
+  WindowManager();
+  virtual ~WindowManager();
+
+  Window Create();
+
+  // Get the current window.
+  Window GetCurrent();
+
+  // Get all windows.
+  std::vector<Window> GetAll();
+};
+
+}  // namespace nativeapi

src/window_manager_macos.mm

@@ -0,0 +1,38 @@
+#include <cstring>
+#include <iostream>
+#include <string>
+#include "window.h"
+#include "window_manager.h"
+
+// Import Cocoa headers
+#import <Cocoa/Cocoa.h>
+
+namespace nativeapi {
+
+WindowManager::WindowManager() {}
+
+WindowManager::~WindowManager() {}
+
+Window WindowManager::Create() {
+  return *new Window();
+}
+
+Window WindowManager::GetCurrent() {
+  NSApplication* app = [NSApplication sharedApplication];
+  NSWindow* window = [app mainWindow];
+  if (window == nil) {
+    std::cerr << "No main window found." << std::endl;
+    return Window();
+  }
+  return *new Window();
+}
+
+std::vector<Window> WindowManager::GetAll() {
+  std::vector<Window> displayList;
+
+  displayList.push_back(GetCurrent());
+
+  return displayList;
+}
+
+}  // namespace nativeapi