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template/include/wndbase.hpp

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+#ifndef ZCPPWIN_WNDBASE_HPP
+#define ZCPPWIN_WNDBASE_HPP
+#include <Windows.h>
+
+
+template<typename T>
+class Wndbase {
+public:
+    Wndbase() = default;
+    virtual ~Wndbase() = default;
+    bool Init(HINSTANCE hinstance,
+              PCWSTR titleName,
+              int width = 1280,
+              int height = 720,
+              HWND parent = nullptr,
+              DWORD dwStyle = WS_OVERLAPPEDWINDOW) {
+        WNDCLASSEXW wc{};
+        wc.lpszClassName = T::CLASSNAME();
+        wc.hCursor = LoadCursor(nullptr,IDC_ARROW);
+        wc.lpfnWndProc = StaticWndProc;
+        wc.hInstance = hinstance;
+        wc.cbSize = sizeof(WNDCLASSEXW);
+        wc.style = 0;
+
+        RECT rect{0, 0, width, height};
+        AdjustWindowRect(&rect, dwStyle, false);
+
+        RegisterClassExW(&wc);
+        HWND hwnd = CreateWindowExW(0, T::CLASSNAME(), titleName, dwStyle,
+                                    // CW_USEDEFAULT,CW_USEDEFAULT,
+                                    0,0,
+                                    rect.right, rect.bottom,
+                                    parent, nullptr, hinstance,
+                                    reinterpret_cast<LPVOID>(this));
+        if (hwnd == nullptr) {
+            MessageBoxW(nullptr, L"创建窗口失败", L"WndBase.cpp", 0);
+            return false;
+        }
+        return true;
+    }
+    WPARAM Exec(int nCmdShow) {
+        ShowWindow(m_hwnd, nCmdShow);
+        if (EDGEMODE()) {
+            return RunEdge();
+        } else {
+            return Run();
+        }
+    }
+    static LRESULT WINAPI StaticWndProc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam) {
+        T *p;
+        if (msg == WM_NCCREATE) {
+            auto *cp = reinterpret_cast<CREATESTRUCT *>(lparam);
+            p = static_cast<T *>(cp->lpCreateParams);
+            SetWindowLongPtr(hwnd,GWLP_USERDATA, reinterpret_cast<LONG_PTR>(p));
+            p->m_hwnd = hwnd;
+        } else {
+            p = reinterpret_cast<T *>(GetWindowLongPtr(hwnd,GWLP_USERDATA));
+        }
+        if (p) return p->WndProc(msg, wparam, lparam);
+        return DefWindowProc(hwnd, msg, wparam, lparam);
+    }
+    virtual LRESULT WndProc(UINT msg, WPARAM wparam, LPARAM lparam) = 0;
+public:
+    HWND m_hwnd{};
+
+protected:
+    virtual bool EDGEMODE() =0;
+    // virtual void UpdateWnd() {};
+
+private:
+    WPARAM RunEdge() {
+        MSG msg{};
+        for (;;) {
+            while (PeekMessage(&msg, nullptr, 0, 0,PM_REMOVE)) {
+                if (msg.message == WM_QUIT) {
+                    return msg.wParam;
+                }
+                TranslateMessage(&msg);
+                DispatchMessage(&msg);
+            }
+            static_cast<T *>(this)->UpdateWnd();
+        }
+
+    }
+
+    static WPARAM Run() {
+        MSG msg{};
+        while (GetMessage(&msg, nullptr, 0, 0) > 0) {
+            TranslateMessage(&msg);
+            DispatchMessage(&msg);
+        }
+        return msg.wParam;
+    }
+};
+
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+
+#endif