; #########################################################################

      .486                      ; create 32 bit code
      .model flat, stdcall      ; 32 bit memory model
      option casemap :none      ; case sensitive

      include hexdump.inc        ; local includes for this file
 ;       include dbmacros.asm
 ;       include errormac.asm

      HexDump PROTO :DWORD,:DWORD,:DWORD

.code

; #########################################################################

start:

      invoke InitCommonControls

    ; ------------------
    ; set global values
    ; ------------------
      invoke GetModuleHandle, NULL
      mov hInstance, eax

      invoke GetCommandLine
      mov CommandLine, eax

      invoke LoadIcon,hInstance,500    ; icon ID
      mov hIcon, eax

      invoke LoadCursor,NULL,IDC_ARROW
      mov hCursor, eax

      invoke GetSystemMetrics,SM_CXSCREEN
      mov sWid, eax

      invoke GetSystemMetrics,SM_CYSCREEN
      mov sHgt, eax

      call Main

      invoke ExitProcess,eax

; #########################################################################

Main proc

    LOCAL Wwd:DWORD,Wht:DWORD,Wtx:DWORD,Wty:DWORD

    STRING szClassName,"hexdump_Class"

  ; --------------------------------------------
  ; register class name for CreateWindowEx call
  ; --------------------------------------------
    invoke RegisterWinClass,ADDR WndProc,ADDR szClassName,
                       hIcon,hCursor,COLOR_BTNFACE+1

  ; -------------------------------------------------
  ; macro to autoscale window co-ordinates to screen
  ; percentages and centre window at those sizes.
  ; -------------------------------------------------
    AutoScale 75, 70

    invoke CreateWindowEx,WS_EX_LEFT or WS_EX_ACCEPTFILES,
                          ADDR szClassName,
                          ADDR szDisplayName,
                          WS_OVERLAPPEDWINDOW,
                          Wtx,Wty,Wwd,Wht,
                          NULL,NULL,
                          hInstance,NULL
    mov hWnd,eax

  ; ---------------------------
  ; macros for unchanging code
  ; ---------------------------
    DisplayMenu hWnd,600
    DisplayWindow hWnd,SW_SHOWNORMAL

    call MsgLoop
    ret

Main endp

; #########################################################################

RegisterWinClass proc lpWndProc:DWORD, lpClassName:DWORD,
                      Icon:DWORD, Cursor:DWORD, bColor:DWORD

    LOCAL wc:WNDCLASSEX

    mov wc.cbSize,         sizeof WNDCLASSEX
    mov wc.style,          CS_BYTEALIGNCLIENT or \
                           CS_BYTEALIGNWINDOW
    m2m wc.lpfnWndProc,    lpWndProc
    mov wc.cbClsExtra,     NULL
    mov wc.cbWndExtra,     NULL
    m2m wc.hInstance,      hInstance
    m2m wc.hbrBackground,  bColor
    mov wc.lpszMenuName,   NULL
    m2m wc.lpszClassName,  lpClassName
    m2m wc.hIcon,          Icon
    m2m wc.hCursor,        Cursor
    m2m wc.hIconSm,        Icon

    invoke RegisterClassEx, ADDR wc

    ret

RegisterWinClass endp

; ########################################################################

MsgLoop proc

  ; ------------------------------------------
  ; The following 4 equates are available for
  ; processing messages directly in the loop.
  ; m_hWnd - m_Msg - m_wParam - m_lParam
  ; ------------------------------------------

    LOCAL msg:MSG

    StartLoop:
      invoke GetMessage,ADDR msg,NULL,0,0
      cmp eax, 0
      je ExitLoop
      invoke TranslateMessage, ADDR msg
      invoke DispatchMessage,  ADDR msg
      jmp StartLoop
    ExitLoop:

    mov eax, msg.wParam
    ret

MsgLoop endp

; #########################################################################

WndProc proc hWin   :DWORD,
             uMsg   :DWORD,
             wParam :DWORD,
             lParam :DWORD

    LOCAL var    :DWORD
    LOCAL caW    :DWORD
    LOCAL caH    :DWORD
    LOCAL hFile  :DWORD
    LOCAL len    :DWORD
    LOCAL hMem$  :DWORD
    LOCAL hBuf$  :DWORD
    LOCAL bLen   :DWORD
    LOCAL br     :DWORD
    LOCAL Rct    :RECT
    LOCAL buffer1[128]:BYTE  ; these are two spare buffers
    LOCAL buffer2[128]:BYTE  ; for text manipulation etc..
    LOCAL szDropFileName[260]:BYTE

    .if uMsg == WM_COMMAND
    ;======== toolbar commands ========
        .if wParam == 50

        ; --------------------------------------
        ; szFileName is defined in Filedlgs.asm
        ; --------------------------------------
          mov szFileName[0],0     ; set 1st byte to zero
          invoke GetFileName,hWin,SADD("Open A File"),
                                  SADD("All files",0,"*.*",0)
          cmp szFileName[0],0     ; zero if cancel pressed in dlgbox
          jne @F
          ret
        @@:

          invoke CreateFile,ADDR szFileName,
                            GENERIC_READ,
                            FILE_SHARE_READ,
                            NULL,OPEN_EXISTING,
                            FILE_ATTRIBUTE_NORMAL,
                            NULL
          mov hFile, eax

          invoke GetFileSize,hFile,NULL
          mov len, eax

          stralloc len      ; allocate string memory
          mov hMem$, eax

          invoke ReadFile,hFile,hMem$,len,ADDR br,NULL
          invoke CloseHandle,hFile

          mov eax, len
          add eax, eax
          add eax, eax
          mov bLen, eax

          stralloc bLen
          mov hBuf$, eax

          invoke HexDump,hMem$,len,hBuf$

          invoke CreateFile,SADD("testdump.hex"),
                            GENERIC_WRITE,
                            FILE_SHARE_WRITE,
                            NULL,CREATE_ALWAYS,
                            FILE_ATTRIBUTE_NORMAL,
                            NULL
          mov hFile, eax

          invoke StrLen,hBuf$
          mov bLen, eax
          invoke WriteFile,hFile,hBuf$,bLen,ADDR br,NULL

          invoke CloseHandle,hFile

          strfree hBuf$
          strfree hMem$

        ; -----------------------------------------
        ; NOTE This WinExec call will only work on
        ; the logical drive that this EXE is on.
        ; -----------------------------------------
          invoke WinExec,SADD("\masm32\qeditor.exe testdump.hex"),1

        .elseif wParam == 51
            invoke MessageBox,hWin,SADD("WM_COMMAND ID 51"),
                              ADDR szDisplayName,MB_OK

        .elseif wParam == 52
            invoke MessageBox,hWin,SADD("WM_COMMAND ID 52"),
                              ADDR szDisplayName,MB_OK

        .elseif wParam == 53
            invoke MessageBox,hWin,SADD("WM_COMMAND ID 53"),
                              ADDR szDisplayName,MB_OK

        .elseif wParam == 54
            invoke MessageBox,hWin,SADD("WM_COMMAND ID 54"),
                              ADDR szDisplayName,MB_OK

        .elseif wParam == 55
            invoke MessageBox,hWin,SADD("WM_COMMAND ID 55"),
                              ADDR szDisplayName,MB_OK

        .elseif wParam == 56
            invoke MessageBox,hWin,SADD("WM_COMMAND ID 56"),
                              ADDR szDisplayName,MB_OK

        .elseif wParam == 57
            invoke MessageBox,hWin,SADD("WM_COMMAND ID 57"),
                              ADDR szDisplayName,MB_OK

        .elseif wParam == 58
            invoke MessageBox,hWin,SADD("WM_COMMAND ID 58"),
                              ADDR szDisplayName,MB_OK

        .endif

    ;======== menu commands ========

        .if wParam == 1001
          ; --------------------------------------
          ; szFileName is defined in Filedlgs.asm
          ; --------------------------------------
            mov szFileName[0],0     ; set 1st byte to zero
            invoke GetFileName,hWin,SADD("Open A File"),
                                    SADD("All files",0,"*.*",0)
            cmp szFileName[0],0     ; zero if cancel pressed in dlgbox
            je @F
          ; ---------------------------------
          ; perform your file open code here
          ; ---------------------------------
            invoke MessageBox,hWin,ADDR szFileName,ADDR szDisplayName,MB_OK
            @@:

        .elseif wParam == 1002
          ; --------------------------------------
          ; szFileName is defined in Filedlgs.asm
          ; --------------------------------------
            mov szFileName[0],0     ; set 1st byte to zero
            invoke SaveFileName,hWin,SADD("Save File As ..."),
                                     SADD("All files",0,"*.*",0,0)
            cmp szFileName[0],0     ; zero if cancel pressed in dlgbox
            je @F
          ; ---------------------------------
          ; perform your file save code here
          ; ---------------------------------
            invoke MessageBox,hWin,ADDR szFileName,ADDR szDisplayName,MB_OK
            @@:

        .endif

        .if wParam == 1010
            invoke SendMessage,hWin,WM_SYSCOMMAND,SC_CLOSE,NULL

        .elseif wParam == 1900
            ShellAboutBox hWin,hIcon,\
                "About Prostart 3 Template#Windows Application",\
                "Prostart 3 Template",13,10,"Copyright