Author Topic: Test piece with new prologue/epilogue and invoke replacement.  (Read 985 times)

hutch--

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Test piece with new prologue/epilogue and invoke replacement.
« on: August 10, 2016, 03:18:07 PM »
The macros for the prologue/epilogue are testing up OK so far, still more needs to be done to handle anonymous memory addresses ( [rax+rcx*4+16] etc ...) but the rest seems to be working OK. The macro for "invoke" was reasonably tedious to get up and running but it now means I can use invoke with quoted text support and the address operator "&". I have found a catch 22 with the address operator, to prevent thhe old 32 bit irritation of eax being overwritten by the next function or address I changed the "&" address operator to return an address in the .data? section which means that you can use multiple addresses in the invoke call without the overwrite problem, problem is to use a structure as the target it required more code that I wanted so in some instances for simple code, the "ptr$" macro is more efficient.

This is the source which is starting to look like reasonably clean code. To have a look at the underlying mnemonic code, you need to open the attached zipped EXE with ArkDasm.

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    invoke_off equ <0>  ; exclude Vasily's invoke

    include \masm32\include64\masm64rt.inc

    STACKFRAME  ; use custom prologue/epilogue

    include evokemacro.inc

    IFNDEF SB_SETTEXT
      SB_SETTEXT equ WM_USER+1
    ENDIF

    IFNDEF SB_SETPARTS
      SB_SETPARTS equ WM_USER+4
    ENDIF

    .data?
      hInstance dq ?
      hWnd      dq ?
      hIcon     dq ?
      hCursor   dq ?
      hMnu      dq ?
      hEdit     dq ?
      hStatus   dq ?
      sWid      dq ?
      sHgt      dq ?

    .data
      classname db "UI Test",0
      appname db "UI Test",0

    .code

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entry_point proc

    mov hInstance, function(GetModuleHandle,0)
    mov hIcon,     function(LoadIcon,hInstance,10)
    mov hCursor,   function(LoadCursor,0,IDC_ARROW)
    mov sWid,      function(GetSystemMetrics,SM_CXSCREEN)
    mov sHgt,      function(GetSystemMetrics,SM_CYSCREEN)

    call main

    invoke ExitProcess,0

    ret

entry_point endp

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main proc

    LOCAL wc    :WNDCLASSEX
    LOCAL lft   :QWORD
    LOCAL top   :QWORD
    LOCAL wid   :QWORD
    LOCAL hgt   :QWORD

    mov wc.cbSize,         SIZEOF WNDCLASSEX
    mov wc.style,          CS_BYTEALIGNCLIENT or CS_BYTEALIGNWINDOW
    mov wc.lpfnWndProc,    ptr$(WndProc)
    mov wc.cbClsExtra,     128
    mov wc.cbWndExtra,     128
    mrm wc.hInstance,      hInstance
    mrm wc.hIcon,          hIcon
    mrm wc.hCursor,        hCursor
    mov wc.hbrBackground,  COLOR_BTNSHADOW+1
    mov wc.lpszMenuName,   0
    mov wc.lpszClassName,  ptr$(classname)
    mrm wc.hIconSm,        hIcon

    lea rcx, wc
    call RegisterClassEx

    mov wid, function(getpercent,sWid,65)   ; 65% screen width
    mov hgt, function(getpercent,sHgt,65)   ; 65% screen height

    invoke aspect_ratio,hgt,45              ; height + 45%
    cmp wid, rax                            ; if wid > rax
    jle @F
    mov wid, rax                            ; set wid to rax

  ; ---------------------------------
  ; centre window at calculated sizes
  ; ---------------------------------
  @@:
    mov rax, sWid
    sub rax, wid
    shr rax, 1
    mov lft, rax

    mov rax, sHgt
    sub rax, hgt
    shr rax, 1
    mov top, rax

    invoke CreateWindowEx,WS_EX_LEFT or WS_EX_ACCEPTFILES,&classname,\
                          &appname,WS_OVERLAPPEDWINDOW or WS_VISIBLE,\
                          lft,top,wid,hgt,0,0,hInstance,0
    mov hWnd, rax

    call msgloop

    ret

main endp

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msgloop proc

    LOCAL msg    :MSG
    LOCAL rsireg :QWORD
    LOCAL rdireg :QWORD

    mov rsireg, rsi                 ; preserve rsi
    mov rdireg, rdi                 ; preserve rdi

    xor rsi, rsi
    lea rdi, msg                    ; load structure address
    jmp gmsg

  @@:
    invoke TranslateMessage,rdi
    invoke DispatchMessage,rdi
  gmsg:
    test rax, function(GetMessage,rdi,rsi,rsi,rsi)
    jnz @B

    mov rdi, rdireg                 ; restore rdi
    mov rsi, rsireg                 ; restore rsi

    ret

msgloop endp

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

    LOCAL dfbuff[260]:BYTE

    mov [rbp+16], rcx
    mov [rbp+24], rdx
    mov [rbp+32], r8
    mov [rbp+40], r9

    .switch uMsg
      .case WM_CREATE
        mov hStatus, function(StatusBar,hWin)

      .case WM_SIZE
        invoke MoveWindow,hStatus,0,0,0,0,TRUE

      .case WM_DROPFILES
        invoke DragQueryFile,wParam,0,&dfbuff,260
        invoke MessageBox,hWin,&dfbuff,"DragQueryFile",MB_OK

      .case WM_CLOSE
        invoke SendMessage,hWin,WM_DESTROY,0,0

      .case WM_DESTROY
        invoke PostQuitMessage,NULL

    .endsw

    invoke DefWindowProc,hWin,uMsg,wParam,lParam

    ret

WndProc endp

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StatusBar proc hParent:QWORD

    LOCAL handl :QWORD
    LOCAL sbParts[4] :QWORD

    mov hParent, rcx

    mov handl, function(CreateStatusWindow,WS_CHILD or WS_VISIBLE or SBS_SIZEGRIP,NULL,hParent,200)

  ; --------------------------------------------
  ; set the width of each part, -1 for last part
  ; --------------------------------------------

    lea r11, sbParts

    mov QWORD PTR [r11+0], 150
    mov QWORD PTR [r11+4], 300
    mov QWORD PTR [r11+8], 450
    mov QWORD PTR [r11+12],-1

    invoke SendMessage,handl,SB_SETPARTS,4,&sbParts

    mov rax, handl

    ret

StatusBar endp

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    end

hutch at movsd dot com
http://www.masm32.com    :biggrin:  :biggrin: