程式語言 - Wine - C/C++ - Menu - TrackPopupMenu


參考資訊：
http://www.winprog.org/tutorial/
http://winapi.freetechsecrets.com/win32/
https://github.com/gammasoft71/Examples_Win32
http://masm32.com/board/index.php?topic=3584.0
https://learn.microsoft.com/en-us/windows/win32/winmsg/window-styles

main.c

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#include <windows.h>
 
#define IDM_EXIT 101
 
HWND hWin = NULL;
WNDPROC defWndProc = NULL;
 
LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    POINT stPos = {0};
    HMENU hMenu = NULL;
 
    switch (uMsg) {
    case WM_CLOSE:
        DestroyWindow(hWnd);
        return 0;
    case WM_DESTROY:
        PostQuitMessage(0);
        return 0;
    case WM_RBUTTONDOWN:
        GetCursorPos(&stPos);
        hMenu = CreatePopupMenu();
        AppendMenu(hMenu, MF_STRING, IDM_EXIT, "Exit");
        TrackPopupMenu(hMenu, TPM_LEFTALIGN, stPos.x, stPos.y, 0, hWnd, NULL);
        DestroyMenu(hMenu);
        return 0;
    case WM_COMMAND:
        switch (LOWORD(wParam)) {
        case IDM_EXIT:
            DestroyWindow(hWnd);
            break;
        }
        return 0;
    }
    return CallWindowProc(defWndProc, hWnd, uMsg, wParam, lParam);
}
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    hWin = CreateWindow(WC_DIALOG, "main",
        WS_OVERLAPPEDWINDOW | WS_VISIBLE, 0, 0, 300, 300, NULL, NULL, NULL, NULL);
    defWndProc = (WNDPROC)SetWindowLongPtr(hWin, GWLP_WNDPROC, (long int)WndProc);
 
    MSG msg = {0};
    while (GetMessage(&msg, NULL, 0, 0)) {
        DispatchMessage(&msg);
    }
    ExitProcess(0);
    return 0;
}

編譯、執行 

$ winegcc main.c -o main
$ wine ./main.exe