Subversion Repositories Kolibri OS

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;;                                                              ;;

;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;

;; Copyright (C) MenuetOS 2000-2004 Ville Mikael Turjanmaa      ;;

;; Distributed under terms of the GNU General Public License    ;;

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

$Revision $

WINDOW_MOVE_AND_RESIZE_FLAGS = \

  mouse.WINDOW_RESIZE_N_FLAG + \

  mouse.WINDOW_RESIZE_W_FLAG + \

  mouse.WINDOW_RESIZE_S_FLAG + \

  mouse.WINDOW_RESIZE_E_FLAG + \

  mouse.WINDOW_MOVE_FLAG

uglobal

align 4

  event_start   dd ?

  event_end     dd ?

  event_uid     dd 0

endg

EV_SPACE   = 512

FreeEvents = event_start-EVENT.fd    ; "âèðòóàëüíûé" event, èñïîëüçóþòñÿ òîëüêî ïîëÿ:

                                     ;  FreeEvents.fd=event_start è FreeEvents.bk=event_end

;-----------------------------------------------------------------------------

align 4

init_events:                                       ;; used from kernel.asm

        stdcall kernel_alloc, EV_SPACE*sizeof.EVENT

        or      eax, eax

        jz      .fail

      ; eax - current event, ebx - previos event below

        mov     ecx, EV_SPACE        ; current - in allocated space

        mov     ebx, FreeEvents      ; previos - íà÷àëî ñïèñêà

        push    ebx                  ; îíî æå è êîíåö ïîòîì áóäåò

;--------------------------------------

align 4

@@:

        mov     [ebx+EVENT.fd], eax

        mov     [eax+EVENT.bk], ebx

        mov     ebx, eax             ; previos <- current

        add     eax, sizeof.EVENT    ; new current

        loop    @b

        pop     eax                  ; âîò îíî êîíöîì è ñòàëî

        mov     [ebx+EVENT.fd], eax

        mov     [eax+EVENT.bk], ebx

;--------------------------------------

align 4

.fail:

        ret

;-----------------------------------------------------------------------------

EVENT_WATCHED    equ 0x10000000 ;áèò 28

EVENT_SIGNALED   equ 0x20000000 ;áèò 29

MANUAL_RESET     equ 0x40000000 ;áèò 30

MANUAL_DESTROY   equ 0x80000000 ;áèò 31

;-----------------------------------------------------------------------------

align 4

create_event:                                      ;; EXPORT use

;info:

;   Ïåðåíîñèì EVENT èç ñïèñêà FreeEvents â ñïèñîê ObjList òåêóùåãî ñëîòà

;   EVENT.state óñòàíàâëèâàåì èç ecx, EVENT.code êîñâåííî èç esi (åñëè esi<>0)

;param:

;   esi - event data

;   ecx - flags

;retval:

;   eax - event (=0 => fail)

;   edx - uid

;scratched: ebx,ecx,esi,edi

        mov     ebx, [current_slot]

        add     ebx, APP_OBJ_OFFSET

        mov     edx, [TASK_BASE]

        mov     edx, [edx+TASKDATA.pid]

        pushfd

        cli

;--------------------------------------

align 4

set_event:                                         ;; INTERNAL use !!! don't use for Call

;info:

;   Áåðåì íîâûé event èç FreeEvents, çàïîëíÿåì åãî ïîëÿ, êàê óêàçàíî â ecx,edx,esi

;   è óñòàíàâëèâàåì â ñïèñîê, óêàçàííûé â ebx.

;   Âîçâðàùàåì ñàì event (â eax), è åãî uid (â edx)

;param:

;   ebx - start-chain "virtual" event for entry new event Right of him

;   ecx - flags      (copied to EVENT.state)

;   edx - pid        (copied to EVENT.pid)

;   esi - event data (copied to EVENT.code indirect, =0 => skip)

;retval:

;   eax - event (=0 => fail)

;   edx - uid

;scratched: ebx,ecx,esi,edi

        mov     eax, FreeEvents

        cmp     eax, [eax+EVENT.fd]

        jne     @f  ; not empty ???

        pushad

        call    init_events

        popad

        jz      RemoveEventTo.break ; POPF+RET

;--------------------------------------

align 4

@@:

        mov     eax, [eax+EVENT.fd]

        mov     [eax+EVENT.magic], 'EVNT'

        mov     [eax+EVENT.destroy], destroy_event.internal

        mov     [eax+EVENT.state], ecx

        mov     [eax+EVENT.pid], edx

        inc     [event_uid]

        Mov     [eax+EVENT.id],edx,[event_uid]

        or      esi, esi

        jz      RemoveEventTo

        lea     edi, [eax+EVENT.code]

        mov     ecx, (sizeof.EVENT -EVENT.code)/4

        cld

        rep movsd

;--------------------------------------

align 4

RemoveEventTo:                                     ;; INTERNAL use !!! don't use for Call

;param:

;   eax - óêàçàòåëü íà event, ÊÎÒÎÐÛÉ âñòàâëÿåì

;   ebx - óêàçàòåëü íà event, ÏÎÑËÅ êîòîðîãî âñòàâëÿåì

;scratched: ebx,ecx

        mov     ecx, eax             ; ecx=eax=Self,      ebx=NewLeft

        xchg    ecx, [ebx+EVENT.fd]  ; NewLeft.fd=Self,   ecx=NewRight

        cmp     eax, ecx             ; ñòîï, ñåáå äóìàþ...

        je      .break               ; - à íå äóðàê ëè ÿ?

        mov     [ecx+EVENT.bk], eax  ; NewRight.bk=Self

        xchg    ebx, [eax+EVENT.bk]  ; Self.bk=NewLeft,   ebx=OldLeft

        xchg    ecx, [eax+EVENT.fd]  ; Self.fd=NewRight,  ecx=OldRight

        mov     [ebx+EVENT.fd], ecx  ; OldLeft.fd=OldRight

        mov     [ecx+EVENT.bk], ebx  ; OldRight.bk=OldLeft

;--------------------------------------

align 4

.break:

        popfd

        ret

;-----------------------------------------------------------------------------

align 4

NotDummyTest:                                      ;; INTERNAL use (not returned for fail !!!)

        pop     edi

        call    DummyTest ; not returned for fail !!!

        mov     ebx, eax

        mov     eax, [ebx+EVENT.pid]

        push    edi

;--------------------------------------

align 4

.small: ; êðèâî êàê-òî...

        pop     edi

        pushfd

        cli

        call    pid_to_slot ; saved all registers (eax - retval)

        shl     eax, 8

        jz      RemoveEventTo.break ; POPF+RET

        jmp     edi ; øòàòíûé âîçâðàò

;-----------------------------------------------------------------------------

align 4

raise_event:                                       ;; EXPORT use

;info:

;   Óñòàíàâëèâàåì äàííûå EVENT.code

;   Åñëè òàì ôëàã EVENT_SIGNALED óæå àêòèâåí - áîëüøå íè÷åãî

;   Èíà÷å: ýòîò ôëàã âçâîäèòñÿ, çà èñêëþ÷åíèåì ñëó÷àÿ íàëè÷èÿ ôëàãà EVENT_WATCHED â edx

;    ýòîì ñëó÷àå EVENT_SIGNALED âçâîäèòñÿ ëèøü ïðè íàëè÷èå EVENT_WATCHED â ñàìîì ñîáûòèè

;param:

;   eax - event

;   ebx - uid (for Dummy testing)

;   edx - flags

;   esi - event data (=0 => skip)

;scratched: ebx,ecx,esi,edi

        call    NotDummyTest ; not returned for fail !!!

        or      esi, esi

        jz      @f

        lea     edi, [ebx+EVENT.code]

        mov     ecx, (sizeof.EVENT -EVENT.code)/4

        cld

        rep movsd

;--------------------------------------

align 4

@@:

        test    byte[ebx+EVENT.state+3], EVENT_SIGNALED shr 24

        jnz     RemoveEventTo.break  ; POPF+RET

        bt      edx, 28 ;EVENT_WATCHED

        jnc     @f

        test    byte[ebx+EVENT.state+3], EVENT_WATCHED shr 24

        jz      RemoveEventTo.break  ; POPF+RET

;--------------------------------------

align 4

@@:

        or      byte[ebx+EVENT.state+3], EVENT_SIGNALED shr 24

        add     eax, SLOT_BASE+APP_EV_OFFSET

        xchg    eax, ebx

        jmp     RemoveEventTo

;-----------------------------------------------------------------------------

align 4

clear_event:                                       ;; EXPORT use

;info:

;

;param:

;   eax - event

;   ebx - uid (for Dummy testing)

;scratched: ebx,ecx

        call    NotDummyTest ; not returned for fail !!!

        add     eax, SLOT_BASE+APP_OBJ_OFFSET

        and     byte[ebx+EVENT.state+3], not((EVENT_SIGNALED+EVENT_WATCHED)shr 24)

        xchg    eax, ebx

        jmp     RemoveEventTo

;-----------------------------------------------------------------------------

align 4

send_event:                                        ;; EXPORT use

;info:

;   Ñîçäàåò íîâûé EVENT (âûòàñêèâàåò èç ñïèñêà FreeEvents) â ñïèñêå EventList

;   öåëåâîãî ñëîòà (eax=pid), ñ äàííûìè èç esi êîñâåííî, è state=EVENT_SIGNALED

;param:

;   eax - slots pid, to sending new event

;   esi - pointer to sending data (in code field of new event)

;retval:

;   eax - event (=0 => fail)

;   edx - uid

;warning:

;   may be used as CDECL with such prefix...

;       mov     esi,[esp+8]

;       mov     eax,[esp+4]

;   but not as STDCALL :(

;scratched: ebx,ecx,esi,edi

        mov     edx, eax

        call    NotDummyTest.small ; not returned for fail !!!

        lea     ebx, [eax+SLOT_BASE+APP_EV_OFFSET]

        mov     ecx, EVENT_SIGNALED

        jmp     set_event

;-----------------------------------------------------------------------------

align 4

DummyTest:                                         ;; INTERNAL use (not returned for fail !!!)

;param:

;   eax - event

;   ebx - uid (for Dummy testing)

        cmp     [eax+EVENT.magic], 'EVNT'

        jne     @f

        cmp     [eax+EVENT.id], ebx

        je      .ret

;--------------------------------------

align 4

@@:

        pop     eax

        xor     eax, eax

;--------------------------------------

align 4

.ret:

        ret

;-----------------------------------------------------------------------------

align 4

Wait_events:

        or      ebx, -1; infinite timeout

;--------------------------------------

align 4

Wait_events_ex:

;info:

;   Îæèäàíèå "àáñòðàêòíîãî" ñîáûòèÿ ÷åðåç ïåðåâîä ñëîòà â 5-þ ïîçèöèþ.

;   Àáñòðàêòíîñòü çàêëþ÷åíà â òîì, ÷òî ôàêò ñîáûòèÿ îïðåäåëÿåòñÿ ôóíêöèåé APPDATA.wait_test,

;   êîòîðàÿ çàäàåòñÿ êëèåíòîì è ìîæåò áûòü ôàêòè÷åñêè ëþáîé.

;   Ýòî ïîçâîëÿåò shed-ó íàäåæíî îïðåäåëèòü ôàêò ñîáûòèÿ, è íå ñîâåðøàòü "õîëîñòûõ" ïåðåêëþ÷åíèé,

;   ïðåäíàçíà÷åííûõ äëÿ ðàçáîðîê òèïà "ñâîé/÷óæîé" âíóòðè çàäà÷è.

;param:

;   edx - wait_test, êëèåíòñêàÿ ô-ÿ òåñòèðîâàíèÿ (àäðåñ êîäà)

;   ecx - wait_param, äîïîëíèòåëüíûé ïàðàìåòð, âîçìîæíî íåîáõîäèìûé äëÿ [wait_test]

;   ebx - wait_timeout

;retval:

;   eax - ðåçóëüòàò âûçîâà [wait_test] (=0 => timeout)

;scratched: esi

        mov     esi, [current_slot]

        mov     [esi+APPDATA.wait_param], ecx

        pushad

        mov     ebx, esi;ïîêà ýòî âîïðîñ, ÷åãî êóäû ñóâàòü..........

        pushfd  ; ýòî ñëåäñòâèå îáùåé êîíöåïöèè: ïóñòü ô-ÿ òåñòèðîâàíèÿ èìååò

        cli     ; ïðàâî ðàññ÷èòûâàòü íà çàêðûòûå ïðåðûâàíèÿ, êàê ïðè âûçîâå èç shed

        call    edx

        popfd

        mov     [esp+28], eax

        popad

        or      eax, eax

        jnz     @f   ;RET

        mov     [esi+APPDATA.wait_test], edx

        mov     [esi+APPDATA.wait_timeout], ebx

        Mov     [esi+APPDATA.wait_begin],eax,[timer_ticks]

        mov     eax, [TASK_BASE]

        mov     [eax+TASKDATA.state], 5

        call    change_task

        mov     eax, [esi+APPDATA.wait_param]

;--------------------------------------

align 4

@@:

        ret

;-----------------------------------------------------------------------------

align 4

wait_event:                                        ;; EXPORT use

;info:

;   Îæèäàíèå ôëàãà EVENT_SIGNALED â ñîâåðøåííî êîíêðåòíîì Event

;   (óñòàíàâëèâàåìîãî, íàäî ïîëàãàòü, ÷åðåç raise_event)

;   Ïðè àêòèâíîì ôëàãå MANUAL_RESET - áîëüøå íè÷åãî

;   Èíà÷å: ôëàãè EVENT_SIGNALED è EVENT_WATCHED ó ïîëó÷åííîãî ñîáûòèÿ ñáðàñûâàþòñÿ,

;   è, ïðè àêòèâíîì MANUAL_DESTROY - ïåðåìåùàåòñÿ â ñïèñîê ObjList òåêóùåãî ñëîòà,

;   à ïðè íå àêòèâíîì - óíè÷òîæàåòñÿ øòàòíî (destroy_event.internal)

;param:

;   eax - event

;   ebx - uid (for Dummy testing)

;scratched: ecx,edx,esi

        call    DummyTest

        mov     ecx, eax             ; wait_param

        mov     edx, get_event_alone ; wait_test

        call    Wait_events          ; timeout ignored

        jmp     wait_finish

;-----------------------------------------------------------------------------

align 4

wait_event_timeout:

;param:

;   eax - event

;   ebx - uid (for Dummy testing)

;   ecx - timeout in timer ticks

;retval:

;   eax - EVENT handle or 0 if timeout

        call    DummyTest

        mov     ebx, ecx

        mov     ecx, eax             ; wait_param

        mov     edx, get_event_alone ; wait_test

        call    Wait_events_ex

        test    eax, eax

        jnz     wait_finish

        ret

;-----------------------------------------------------------------------------

align 4

get_event_ex:                                      ;; f68:14

;info:

;   Îæèäàíèå ëþáîãî ñîáûòèÿ â î÷åðåäè EventList òåêóùåãî ñëîòà

;   Äàííûå ñîáûòèÿ code - êîïèðóþòñÿ â ïàìÿòü ïðèëîæåíèÿ (êîñâåííî ïî edi)

;   Ïðè àêòèâíîì ôëàãå MANUAL_RESET - áîëüøå íè÷åãî

;   Èíà÷å: ôëàãè EVENT_SIGNALED è EVENT_WATCHED ó ïîëó÷åííîãî ñîáûòèÿ ñáðàñûâàþòñÿ,

;   è, ïðè àêòèâíîì MANUAL_DESTROY - ïåðåìåùàåòñÿ â ñïèñîê ObjList òåêóùåãî ñëîòà,

;   à ïðè íå àêòèâíîì - óíè÷òîæàåòñÿ øòàòíî (destroy_event.internal)

;param:

;   edi - àäðåñ â êîäå ïðèëîæåíèÿ äëÿ êîïèðîâàíèÿ äàííûõ èç EVENT.code

;retval:

;   eax - ñîáñòâåííî EVENT (áóäåì íàçûâàòü ýòî åãî õýíäëîì)

;scratched: ebx,ecx,edx,esi,edi

        mov     edx, get_event_queue ; wait_test

        call    Wait_events          ; timeout ignored

        lea     esi, [eax+EVENT.code]

        mov     ecx, (sizeof.EVENT-EVENT.code)/4

        cld

        rep movsd

        mov     byte[edi-(sizeof.EVENT-EVENT.code)+2], cl;clear priority field

;--------------------------------------

align 4

wait_finish:

        test    byte[eax+EVENT.state+3], MANUAL_RESET shr 24

        jnz     get_event_queue.ret  ; RET

        and     byte[eax+EVENT.state+3], not((EVENT_SIGNALED+EVENT_WATCHED)shr 24)

        test    byte[eax+EVENT.state+3], MANUAL_DESTROY shr 24

        jz      destroy_event.internal

        mov     ebx, [current_slot]

        add     ebx, APP_OBJ_OFFSET

        pushfd

        cli

        jmp     RemoveEventTo

;-----------------------------------------------------------------------------

align 4

destroy_event:                                     ;; EXPORT use

;info:

;   Ïåðåíîñèì EVENT â ñïèñîê FreeEvents, ÷èñòèì ïîëÿ magic,destroy,pid,id

;param:

;   eax - event

;   ebx - uid (for Dummy testing)

;retval:

;   eax - àäðåñ îáúåêòà EVENT (=0 => fail)

;scratched: ebx,ecx

        call    DummyTest ; not returned for fail !!!

;--------------------------------------

align 4

.internal:

        xor     ecx, ecx  ; clear common header

        pushfd

        cli

        mov     [eax+EVENT.magic], ecx

        mov     [eax+EVENT.destroy], ecx

        mov     [eax+EVENT.pid], ecx

        mov     [eax+EVENT.id], ecx

        mov     ebx, FreeEvents

        jmp     RemoveEventTo

;-----------------------------------------------------------------------------

align 4

get_event_queue:

;info:

;   êëèåíòñêàÿ ô-ÿ òåñòèðîâàíèÿ äëÿ get_event_ex

;warning:

;  -don't use [TASK_BASE],[current_slot],[CURRENT_TASK] - it is not for your slot

;  -may be assumed, that interrupt are disabled

;  -it is not restriction for scratched registers

;param:

;   ebx - àäðåñ APPDATA ñëîòà òåñòèðîâàíèÿ

;retval:

;   eax - àäðåñ îáúåêòà EVENT (=0 => fail)

        add     ebx, APP_EV_OFFSET

        mov     eax, [ebx+APPOBJ.bk] ; âûáèðàåì ñ êîíöà, ïî ïðèíöèïó FIFO

        cmp     eax, ebx ; empty ???

        je      get_event_alone.ret0

;--------------------------------------

align 4

.ret:

        ret

;-----------------------------------------------------------------------------

align 4

get_event_alone:

;info:

;   êëèåíòñêàÿ ô-ÿ òåñòèðîâàíèÿ äëÿ wait_event

;warning:

;  -don't use [TASK_BASE],[current_slot],[CURRENT_TASK] - it is not for your slot

;  -may be assumed, that interrupt are disabled

;  -it is not restriction for scratched registers

;param:

;   ebx - àäðåñ APPDATA ñëîòà òåñòèðîâàíèÿ

;retval:

;   eax - àäðåñ îáúåêòà EVENT (=0 => fail)

        mov     eax, [ebx+APPDATA.wait_param]

        test    byte[eax+EVENT.state+3], EVENT_SIGNALED shr 24

        jnz     .ret

        or      byte[eax+EVENT.state+3], EVENT_WATCHED shr 24

;--------------------------------------

align 4

.ret0:

        xor     eax, eax; NO event!!!

;--------------------------------------

align 4

.ret:

        ret

;-----------------------------------------------------------------------------

align 4

sys_sendwindowmsg:                                 ;; f72

        dec     ebx

        jnz     .ret ;subfunction==1 ?

        pushfd

        cli

        sub     ecx, 2

        je      .sendkey

        dec     ecx

        jnz     .retf

;--------------------------------------

align 4

.sendbtn:

        cmp     byte[BTN_COUNT], 1

        jae     .result ;overflow

        inc     byte[BTN_COUNT]

        shl     edx, 8

        mov     [BTN_BUFF], edx

        jmp     .result

;--------------------------------------

align 4

.sendkey:

        movzx   eax, byte[KEY_COUNT]

        cmp     al, 120

        jae     .result ;overflow

        inc     byte[KEY_COUNT]

        mov     [KEY_COUNT+1+eax], dl

;--------------------------------------

align 4

.result:

        setae   byte[esp+32] ;ñ÷èòàåì, ÷òî èñõîäíî: dword[esp+32]==72

;--------------------------------------

align 4

.retf:

        popfd

;--------------------------------------

align 4

.ret:

        ret

;-----------------------------------------------------------------------------

align 4

sys_getevent:                                      ;; f11

        mov     ebx, [current_slot];ïîêà ýòî âîïðîñ, ÷åãî êóäû ñóâàòü..........

        pushfd  ; ýòî ñëåäñòâèå îáùåé êîíöåïöèè: ïóñòü ô-ÿ òåñòèðîâàíèÿ èìååò

        cli     ; ïðàâî ðàññ÷èòûâàòü íà çàêðûòûå ïðåðûâàíèÿ, êàê ïðè âûçîâå èç shed

        call    get_event_for_app

        popfd

        mov     [esp+32], eax

        ret

;-----------------------------------------------------------------------------

align 4

sys_waitforevent:                                  ;; f10

        or      ebx, -1; infinite timeout

;--------------------------------------

align 4

sys_wait_event_timeout:                            ;; f23

        call    unprotect_from_terminate

        mov     edx, get_event_for_app; wait_test

        call    Wait_events_ex        ; ebx - timeout

        mov     [esp+32], eax

        call    protect_from_terminate

        ret

;-----------------------------------------------------------------------------

align 4

get_event_for_app:                                 ;; used from f10,f11,f23

;info:

;   êëèåíòñêàÿ ô-ÿ òåñòèðîâàíèÿ äëÿ ïðèëîæåíèé (f10,f23)

;warning:

;  -don't use [TASK_BASE],[current_slot],[CURRENT_TASK] - it is not for your slot

;  -may be assumed, that interrupt are disabled

;  -it is not restriction for scratched registers

;param:

;   ebx - àäðåñ APPDATA ñëîòà òåñòèðîâàíèÿ

;retval:

;   eax - íîìåð ñîáûòèÿ (=0 => no events)

        movzx   edi, bh               ; bh  is assumed as [CURRENT_TASK]

        shl     edi, 5

        add     edi, CURRENT_TASK     ; edi is assumed as [TASK_BASE]

        mov     ecx, [edi+TASKDATA.event_mask]

        and     ecx, 0x7FFFFFFF

;--------------------------------------

align 4

.loop: ; ïîêà íå èñ÷åðïàåì âñå áèòû ìàñêè

        bsr     eax, ecx       ; íàõîäèì íåíóëåâîé áèò ìàñêè (31 -> 0)

        jz      .no_events     ; èñ÷åðïàëè âñå áèòû ìàñêè, íî íè÷åãî íå íàøëè ???

        btr     ecx, eax       ; ñáðàñûâàåì ïðîâåðÿåìûé áèò ìàñêè

       ; ïåðåõîäèì íà îáðàáîò÷èê ýòîãî (eax) áèòà

        cmp     eax, 10

        jae     .loop          ; eax=[10..31], ignored (event 11...32)

        cmp     eax, 3

        je      .loop          ; eax=3, ignored (event 4)

        cmp     eax, 4

        je      .FlagAutoReset  ; eax=4, retvals=eax+1 (event 5)

        cmp     eax, 5

        je      .mouse_check  ; eax=5, retvals=eax+1 (event 6)

        ja      .FlagAutoReset ; eax=[6..8], retvals=eax+1 (event 7...10)

        cmp     eax, 1

        jae     .BtKy          ; eax=[1,2],  retvals=eax+1 (event 2,3)

;--------------------------------------

align 4

.WndRedraw:                    ; eax=0, retval WndRedraw=1

        cmp     [edi-twdw+WDATA.fl_redraw], al;al==0

        jne     .result

        jmp     .loop

;--------------------------------------

align 4

.no_events:

        xor     eax, eax

        ret

;--------------------------------------

align 4

.mouse_check:    ; Mouse 5+1=6

        push    eax

        mov     eax, [TASK_BASE]

        mov     eax, [eax + TASKDATA.event_mask]

        test    eax, 0x80000000 ; bit 31: active/inactive filter f.40

        jz      @f

        pop     eax

        jmp     .FlagAutoReset

;--------------------------------------

align 4

@@:

; If the window is captured and moved by the user, then no mouse events!!!

        mov     al, [mouse.active_sys_window.action]

        and     al, WINDOW_MOVE_AND_RESIZE_FLAGS

        test    al, al

        pop     eax

        jnz     .loop

;--------------------------------------

align 4

.FlagAutoReset: ; retvals: BgrRedraw=5, IPC=7, Stack=8, Debug=9

        btr     [ebx+APPDATA.event_mask], eax

        jnc     .loop

;--------------------------------------

align 4

.result:      ; retval = eax+1

        inc     eax

        ret

;--------------------------------------

align 4

.BtKy:

        movzx   edx, bh

        movzx   edx, word[WIN_STACK+edx*2]

        je      .Keys          ; eax=1, retval Keys=2

;--------------------------------------

align 4

.Buttons:                      ; eax=2, retval Buttons=3

        cmp     byte[BTN_COUNT], 0

        je      .loop          ; empty ???

        cmp     edx, [TASK_COUNT]

        jne     .loop          ; not Top ???

        mov     edx, [BTN_BUFF]

        shr     edx, 8

        cmp     edx, 0xFFFF    ;-ID for Minimize-Button of Form

        jne     .result

        mov     [window_minimize], 1

        dec     byte[BTN_COUNT]

        jmp     .loop

;--------------------------------------

align 4

.Keys:    ; eax==1

        cmp     edx, [TASK_COUNT]

        jne     @f             ; not Top ???

        cmp     [KEY_COUNT], al; al==1

        jae     .result        ; not empty ???

;--------------------------------------

align 4

@@:

        mov     edx, hotkey_buffer

;--------------------------------------

align 4

@@:

        cmp     [edx], bh      ; bh - slot for testing

        je      .result

        add     edx, 8

        cmp     edx, hotkey_buffer+120*8

        jb      @b

        jmp     .loop

;end.

;-----------------------------------------------------------------------------