參考資訊:
https://masm32.com/board/index.php
https://www.nasm.us/xdoc/2.13rc9/html/nasmdoc0.html
WM_MOUSEMOVE
fwKeys = wParam; // key flags xPos = LOWORD(lParam); // horizontal position of cursor yPos = HIWORD(lParam); // vertical position of cursor
main.asm
%include "c:\\nasmx\\inc\\nasmx.inc" %include "c:\\nasmx\\inc\\win32\\msvcrt.inc" %include "c:\\nasmx\\inc\\win32\\windows.inc" %include "c:\\nasmx\\inc\\win32\\user32.inc" %include "c:\\nasmx\\inc\\win32\\kernel32.inc" entry start section .data hWin dd 0 hInstance dd 0 defWndProc dd 0 CommandLine dd 0 buf times 255 db 0 fmt db "%d-%d",0 szCaption declare(NASMX_TCHAR) NASMX_TEXT("main"),0 NASMX_ISTRUC msg, MSG NASMX_AT hwnd, NULL NASMX_AT message, NULL NASMX_AT wParam, NULL NASMX_AT lParam, NULL NASMX_AT time, NULL NASMX_ISTRUC pt, POINT NASMX_AT x, 0 NASMX_AT y, 0 NASMX_IENDSTRUC NASMX_IENDSTRUC section .text proc WndProc, dword hWnd, uint_t uMsg, dword wParam, dword lParam locals local x, dword local y, dword endlocals switch dword [argv(.uMsg)] case dword WM_MOUSEMOVE mov eax, [argv(.lParam)] and eax, 0ffffh mov [var(.x)], eax mov eax, [argv(.lParam)] shr eax, 16 and eax, 0ffffh mov [var(.y)], eax invoke sprintf, buf, fmt, [var(.x)], [var(.y)] invoke SetWindowText, [argv(.hWnd)], buf break case dword WM_CLOSE invoke DestroyWindow, [argv(.hWnd)] break case dword WM_DESTROY invoke PostQuitMessage, 0 break default invoke CallWindowProc, [defWndProc], [argv(.hWnd)], [argv(.uMsg)], [argv(.wParam)], [argv(.lParam)] endswitch endproc proc WinMain, dword hInst, dword hPrevInst, dword CmdLine, dword CmdShow locals none invoke CreateWindowEx, WS_EX_LEFT, WC_DIALOG, szCaption, \ WS_OVERLAPPEDWINDOW | WS_VISIBLE, 0, 0, 300, 300, NULL, NULL, NULL, NULL mov [hWin], eax invoke SetWindowLong, [hWin], GWL_WNDPROC, WndProc mov [defWndProc], eax do invoke DispatchMessage, msg invoke GetMessage, msg, NULL, NULL, NULL while eax, !=, 0 mov eax, dword [msg + MSG.wParam] endproc proc start, dword argc, dword argv locals none invoke GetModuleHandle, NULL mov [hInstance], eax invoke GetCommandLine, NULL mov [CommandLine], eax invoke WinMain, [hInstance], NULL, [CommandLine], SW_SHOWNORMAL invoke ExitProcess, NULL endproc
Line 38~49:將滑鼠座標顯示在視窗標題
完成