;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;; ;; ;; 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 @@: 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 .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 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 @@: 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 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 .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 .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 @@: 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 @@: 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 @@: pop eax xor eax, eax .ret: ret align 4 Wait_events: or ebx, -1; infinite timeout 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] @@: 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 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 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 !!! .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 .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 .ret0: xor eax, eax; NO event!!! .ret: ret align 4 sys_sendwindowmsg: ;; f72 dec ebx jnz .ret ;subfunction==1 ? ;pushfd ;à íàôèãà? cli sub ecx, 2 je .sendkey dec ecx jnz .retf .sendbtn: cmp byte[BTN_COUNT], 1 jae .result ;overflow inc byte[BTN_COUNT] shl edx, 8 mov [BTN_BUFF], edx jmp .result .sendkey: movzx eax, byte[KEY_COUNT] cmp al, 120 jae .result ;overflow inc byte[KEY_COUNT] mov [KEY_COUNT+1+eax], dl .result: setae byte[esp+32] ;ñ÷èòàåì, ÷òî èñõîäíî: dword[esp+32]==72 .retf: ;popfd .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 sys_wait_event_timeout: ;; f23 mov edx, get_event_for_app; wait_test call Wait_events_ex ; ebx - timeout mov [esp+32], eax 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 .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, 9 jae .loop ; eax=[9..31], ignored cmp eax, 3 je .loop ; eax=3, ignored ja .FlagAutoReset ; eax=[4..8], retvals=eax+1 cmp eax, 1 jae .BtKy ; eax=[1,2], retvals=eax+1 .WndRedraw: ; eax=0, retval WndRedraw=1 cmp [edi-twdw+WDATA.fl_redraw], al;al==0 jne .result jmp .loop .no_events: xor eax, eax ret .FlagAutoReset: ; retvals: BgrRedraw=5, Mouse=6, IPC=7, Stack=8, Debug=9 cmp eax, 5; Mouse 5+1=6 jne .no_mouse_check 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 .no_mouse_check @@: ; 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 .no_mouse_check: btr [ebx+APPDATA.event_mask], eax jnc .loop .result: ; retval = eax+1 inc eax ret .BtKy: movzx edx, bh movzx edx, word[WIN_STACK+edx*2] je .Keys ; eax=1, retval Keys=2 .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 .Keys: ; eax==1 cmp edx, [TASK_COUNT] jne @f ; not Top ??? cmp [KEY_COUNT], al; al==1 jae .result ; not empty ??? @@: mov edx, hotkey_buffer @@: cmp [edx], bh ; bh - slot for testing je .result add edx, 8 cmp edx, hotkey_buffer+120*8 jb @b jmp .loop ;end.