Source code of Windows XP (NT5)
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266 lines
6.8 KiB

;
; USER3A.ASM
; More Win16 USER thunks
;
; History:
;
; Created 25-Jan-1991 by Jeff Parsons (jeffpar)
; Added Win 31 thunks 22nd-March-1992 by Chandan S. Chauhan (ChandanC)
; Split off from USER2.ASM 4-Dec-92 by barryb
; Split off user3a.asm from user3.asm 2-May-95 davehart
;
;--
TITLE USER3A.ASM
PAGE ,132
.286p
.xlist
include wow.inc
include wowusr.inc
include cmacros.inc
NOEXTERNS=1 ; to suppress including most of the stuff in user.inc
include user.inc
.list
externFP WOW16Call
createSeg _TEXT,CODE,WORD,PUBLIC,CODE
createSeg _DATA,DATA,WORD,PUBLIC,DATA,DGROUP
defgrp DGROUP,DATA
sBegin CODE
assumes CS,CODE
assumes DS,DATA
assumes ES,NOTHING
;*--------------------------------------------------------------------------*
;*
;* CheckMsgForTranslate, CheckAccMsgForTranslate, CheckMDIAccMsgForTranslate
;*
;* Checks to see if the message number in the message is one of those
;* that the system actually uses. If not, then the API just returns with
;* a 0 in AX. This saves the 16-32-16 bit transition for most messages.
;*
;*--------------------------------------------------------------------------*
ALIGN 16
cProc CheckMsgForTranslate, <PUBLIC, NEAR>
parmD lpMsg ; Callers parameter
parmD lpReturn ; Callers Return Address
;parmW wBP ; Thunk saved BP
;parmW wDS ; Thunk saved DS
cBegin
les bx,lpMsg ; load msg address into es:bx
mov ax,es:[bx+2] ; load message number
; we are looking for ,WM_KEYDOWN, KEYUP, SYSKEYDOWN, SYSKEYUP
; in other words, 100, 101, 104, amd 105 hex
and ax,0fffah ; wipe out 2 bits that are variable
xor ax, 0100h ; compensate for bit that must be on
jz @f
; cmp ax,WM_KEYDOWN
; jz @f
; cmp ax,WM_KEYUP
; jz @f
; cmp ax,WM_SYSKEYDOWN
; jz @f
; cmp ax,WM_SYSKEYUP
; jz @f
sub ax,ax ; flag not translated
pop bp
add sp,2 ; skip thunk IP
retf 4 ; lpMsg -- 4 bytes to pop
@@:
mov sp,bp ; Do cEnd without Ret count (leave parameters there)
pop bp
ret
cEnd <nogen>
ALIGN 16
cProc CheckAccMsgForTranslate, <PUBLIC, NEAR>
parmW hWnd
parmW hAccTbl
parmD lpMsg ; Callers parameter
parmD lpReturn ; Callers Return Address
cBegin
test hWnd,0ffffh
jz SHORT t_not
les bx,lpMsg ; load msg address into es:bx
mov ax,es:[bx+2] ; load message number
; we are looking for ,WM_KEYDOWN, CHAR, SYSKEYDOWN, SYSCHAR
; in other words, 100, 102, 104, amd 106 hex
and ax,0fff9h ; wipe out 2 bits that are variable
xor ax, 0100h ; compensate for bit that must be on
jz @f
; cmp ax,WM_KEYDOWN
; jz @f
; cmp ax,WM_CHAR
; jz @f
; cmp ax,WM_SYSKEYDOWN
; jz @f
; cmp ax,WM_SYSCHAR
; jz @f
t_not:
sub ax,ax ; flag not translated
pop bp
add sp,2 ; skip thunk IP
retf 8 ; 8 bytes to pop
@@:
mov sp,bp ; Do cEnd without Ret count (leave parameters there)
pop bp
ret
cEnd <nogen>
ALIGN 16
cProc CheckMDIAccMsgForTranslate, <PUBLIC, NEAR>
parmD lpMsg ; Callers parameter
parmD lpReturn ; Callers Return Address
cBegin
les bx,lpMsg ; load msg address into es:bx
mov ax,es:[bx+2] ; load message number
; we are looking for ,WM_KEYDOWN, SYSKEYDOWN
; in other words, 100, 104
and ax,0fffbh ; wipe out 1 bit that is variable
xor ax, 0100h ; compensate for bit that must be on
jz @f
; cmp ax,WM_KEYDOWN
; jz @f
; cmp ax,WM_KEYUP
; jz @f
; cmp ax,WM_SYSKEYDOWN
; jz @f
; cmp ax,WM_SYSKEYUP
; jz @f
sub ax,ax ; flag not translated
pop bp
add sp,2 ; skip thunk IP
retf 6 ; 6 bytes to pop
@@:
mov sp,bp ; Do cEnd without Ret count (leave parameters there)
pop bp
ret
cEnd <nogen>
;
; Our message queues resize automagically, so just say YES
; to whatever they ask for.
;
cProc SetMessageQueue,<PUBLIC,FAR,PASCAL,NODATA,WIN>
ParmW qSize
cBegin
mov ax,1 ; just say we did it
cEnd
ExternFP <GetCurrentTask>
ExternFP <HqCurrent>
externA __MOD_DUSER
cProc SysErrorBox,<PUBLIC,FAR,PASCAL,NODATA,WIN>
cBegin <nogen>
; we check whether the queue exists for this process
call GetCurrentTask
or ax, ax
jz i_SysErrorBox
call HqCurrent ; flags are set on exit
jz i_SysErrorBox
push size SysErrorBox16
t_SysErrorBox:
push word ptr HI_WCALLID
push __MOD_DUSER + FUN_SYSERRORBOX
call WOW16Call
.erre (($ - t_SysErrorBox) EQ (05h + 03h + 03h))
i_SysErrorBox:
retf 0eh
cEnd <nogen>
UserThunk SETCOMMBREAK
UserThunk SETCOMMEVENTMASK
UserThunk SETCOMMSTATE
UserThunk SETCURSOR
DUserThunk SETCURSORPOS
UserThunk SETDESKPATTERN
UserThunk SETDESKWALLPAPER
UserThunk SETDLGITEMINT
UserThunk SETDLGITEMTEXT
DUserThunk SETDOUBLECLICKTIME
UserThunk SETEVENTHOOK
UserThunk SETFOCUS
UserThunk SETGETKBDSTATE
UserThunk SETGRIDGRANULARITY
DUserThunk SETINTERNALWINDOWPOS
UserThunk SETKEYBOARDSTATE
UserThunk SETMENU
UserThunk SETMENUITEMBITMAPS
UserThunk SETPARENT
UserThunk SETPROP
;;; UserThunk SETRECT ; LOCALAPI in winrect.asm
;;; UserThunk SETRECTEMPTY ; LOCALAPI in winrect.asm
UserThunk SETSCROLLPOS
UserThunk SETSCROLLRANGE
UserThunk SETSYSCOLORS
;;; UserThunk SETSYSMODALWINDOW ; local api in winmisc1.asm
UserThunk SETSYSTEMMENU
DUserThunk SETSYSTEMTIMER ;;;;;;;
UserThunk SETTIMER
UserThunk SETTIMER2
UserThunk SETWC2
UserThunk SETWINDOWLONG
UserThunk SETWINDOWPOS
DUserThunk SETWINDOWSHOOKINTERNAL
UserThunk SETWINDOWTEXT
UserThunk SETWINDOWWORD
UserThunk SHOWCARET
DUserThunk SHOWCURSOR
UserThunk SHOWOWNEDPOPUPS
UserThunk SHOWSCROLLBAR
UserThunk SHOWWINDOW
DUserThunk SIGNALPROC
UserThunk SNAPWINDOW
;;; UserThunk STATICWNDPROC ;LOCALAPI in wsubcls.c
;;; UserThunk STRINGFUNC ;LOCALAPI in winlang.asm
DUserThunk SWAPMOUSEBUTTON
DUserThunk SWITCHTOTHISWINDOW
UserThunk SWITCHWNDPROC
;;; DUserThunk SYSERRORBOX ; LOCALAPI in this file
UserThunk TABBEDTEXTOUT
UserThunk TABTHETEXTOUTFORWIMPS
UserThunk TRACKPOPUPMENU
PUserThunk TRANSLATEACCELERATOR,CheckAccMsgForTranslate
PUserThunk TRANSLATEMDISYSACCEL,CheckMDIAccMsgForTranslate
PUserThunk TRANSLATEMESSAGE,CheckMsgForTranslate
UserThunk TRANSMITCOMMCHAR
UserThunk UNGETCOMMCHAR
UserThunk UNHOOKWINDOWSHOOK
;;; UserThunk UNIONRECT ; LOCALAPI in winrect.asm
UserThunk UNREGISTERCLASS
UserThunk UPDATEWINDOW
DUserThunk USERYIELD
sEnd CODE
end