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#pragma once
#include "cru/win/WinPreConfig.hpp"
#include "cru/common/Base.hpp"
#include <map>
#include <memory>
#include <vector>
namespace cru::platform::gui::win {
class WinUiApplication;
class WinNativeWindow;
class WindowClass;
class WindowManager : public Object {
public:
WindowManager(WinUiApplication* application);
CRU_DELETE_COPY(WindowManager)
CRU_DELETE_MOVE(WindowManager)
~WindowManager() override;
// Get the general window class for creating ordinary window.
WindowClass* GetGeneralWindowClass() const {
return general_window_class_.get();
}
// Register a window newly created.
// This function adds the hwnd to hwnd-window map.
// It should be called immediately after a window was created.
void RegisterWindow(HWND hwnd, WinNativeWindow* window);
// Unregister a window that is going to be destroyed.
// This function removes the hwnd from the hwnd-window map.
// It should be called immediately before a window is going to be destroyed,
void UnregisterWindow(HWND hwnd);
// Return a pointer to the Window object related to the HWND or nullptr if the
// hwnd is not in the map.
WinNativeWindow* FromHandle(HWND hwnd);
std::vector<WinNativeWindow*> GetAllWindows() const;
private:
WinUiApplication* application_;
std::unique_ptr<WindowClass> general_window_class_;
std::map<HWND, WinNativeWindow*> window_map_;
};
} // namespace cru::platform::gui::win
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