High Level Assembly (HLA) >> Win32 API (HLA v1.x)

Mouse Event

---

參考資訊：
1. win32
2. masm32

WM_MOUSEMOVE

fwKeys = wParam;       // key flags
xPos = LOWORD(lParam); // horizontal position of cursor
yPos = HIWORD(lParam); // vertical position of cursor

main.hla

program main;
   
#include("w.hhf")
#include("args.hhf")
#include("memory.hhf")
#include("strings.hhf")
   
static
    buf:         byte[255];
    hWin:        dword;
    hInstance:   dword;
    CommandLine: string;
    defWndProc:  dword;
 
    wsprintf: procedure(p0:dword; p1:dword; p2:dword; p3:dword); @stdcall; external("__imp__wsprintfA");
 
readonly
    fmt:       string:= "%d-%d";
    szCaption: string:= "main";
  
procedure WndProc(hWnd:dword; uMsg:uns32; wParam:dword; lParam:dword); @stdcall;
var
    x: dword;
    y: dword;
endvar;

begin WndProc;
    if (uMsg == w.WM_MOUSEMOVE) then
        mov(lParam, eax);
        and($0ffff, eax);
        mov(eax, x);

        mov(lParam, eax);
        shr(16, eax);
        and($0ffff, eax);
        mov(eax, y);
        wsprintf(&buf, fmt, x, y);
        w.SetWindowText(hWnd, &buf);
        xor(eax, eax);
    elseif (uMsg == w.WM_CLOSE) then
        w.DestroyWindow(hWnd);
        xor(eax, eax);
    elseif (uMsg == w.WM_DESTROY) then
        w.PostQuitMessage(0);
        xor(eax, eax);
    else
        w.CallWindowProc(defWndProc, hWnd, uMsg, wParam, lParam);
    endif;
end WndProc;
  
procedure WinMain(hInst:dword; hPrevInst:dword; CmdLine:string; CmdShow:dword);
var
    msg: w.MSG;
   
begin WinMain;
    w.CreateWindowEx(w.WS_EX_LEFT, w.WC_DIALOG, szCaption,
        w.WS_OVERLAPPEDWINDOW | w.WS_VISIBLE, 0, 0, 300, 300, 0, 0, NULL, NULL);
    mov(eax, hWin);
  
    w.SetWindowLong(hWin, w.GWL_WNDPROC, &WndProc);
    mov(eax, defWndProc);
       
    forever
        w.GetMessage(msg, NULL, 0, 0);
        breakif(!eax);
   
        w.DispatchMessage(msg);
    endfor;
    mov(msg.wParam, eax);
end WinMain;
   
begin main;
    w.GetModuleHandle(NULL);
    mov(eax, hInstance);
    mov(arg.cmdLn(), CommandLine);
  
    WinMain(hInstance, NULL, CommandLine, w.SW_SHOWNORMAL);
  
    w.ExitProcess(eax);
end main;

Line 28~39：將滑鼠座標顯示在視窗標題

Makefile

export WINEPREFIX=/home/user/.wine_amd64

TARGET=main
MYWINE=box86 wine

all:
	${MYWINE} hlaparse.exe -WIN32 -level=high -v -test ${TARGET}.hla
	${MYWINE} polink.exe @${TARGET}.link hlalib.lib ${TARGET}.obj /OUT:${TARGET}.exe

run:
	${MYWINE} ${TARGET}.exe

clean:
	rm -rf ${TARGET}.exe ${TARGET}.obj ${TARGET}.link

編譯、執行

$ make
$ make run

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