Subversion Repositories Kolibri OS

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

;;                                                              ;;

;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;

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

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

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

$Revision: 2171 $

VKEY_LSHIFT   = 0000000000000001b

VKEY_RSHIFT   = 0000000000000010b

VKEY_LCONTROL = 0000000000000100b

VKEY_RCONTROL = 0000000000001000b

VKEY_LALT     = 0000000000010000b

VKEY_RALT     = 0000000000100000b

VKEY_CAPSLOCK = 0000000001000000b

VKEY_NUMLOCK  = 0000000010000000b

VKEY_SCRLOCK  = 0000000100000000b

VKEY_SHIFT    = 0000000000000011b

VKEY_CONTROL  = 0000000000001100b

VKEY_ALT      = 0000000000110000b

uglobal

  align 4

  kb_state	dd 0

  ext_code	db 0

  keyboard_mode db 0

  keyboard_data db 0

  altmouseb	db 0

  ctrl_alt_del	db 0

  kb_lights	db 0

align 4

	hotkey_scancodes	rd	256	; we have 256 scancodes

	hotkey_list		rd	256*4	; max 256 defined hotkeys

	hotkey_buffer		rd	120*2	; buffer for 120 hotkeys

endg

iglobal

hotkey_tests	dd	hotkey_test0

		dd	hotkey_test1

		dd	hotkey_test2

		dd	hotkey_test3

		dd	hotkey_test4

hotkey_tests_num = 5

endg

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

hotkey_test0:

	test	al,al

	setz	al

	ret

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

hotkey_test1:

	test	al,al

	setnp	al

	ret

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

hotkey_test2:

	cmp	al,3

	setz	al

	ret

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

hotkey_test3:

	cmp	al,1

	setz	al

	ret

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

hotkey_test4:

	cmp	al,2

	setz	al

	ret

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

hotkey_do_test:

	push	eax

	mov	edx,[kb_state]

	shr	edx,cl

	add	cl,cl

	mov	eax,[eax+4]

	shr	eax,cl

	and	eax,15

	cmp	al,hotkey_tests_num

	jae	.fail

	xchg	eax,edx

	and	al,3

	call	[hotkey_tests + edx*4]

	cmp	al,1

	pop	eax

	ret

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

.fail:

	stc

	pop	eax

	ret

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

align 4

set_keyboard_data:

	movzx	eax,word[TASK_COUNT] ; top window process

	movzx	eax,word[WIN_POS+eax*2]

	shl	eax,8

	mov	al,[SLOT_BASE+eax+APPDATA.keyboard_mode]

	mov	[keyboard_mode],al

	mov	eax,ecx

	push	ebx esi edi ebp

	call	send_scancode

	pop	ebp edi esi ebx

	ret

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

align 4

irq1:

	movzx	eax,word[TASK_COUNT] ; top window process

	movzx	eax,word[WIN_POS+eax*2]

	shl	eax,8

	mov	al,[SLOT_BASE+eax+APPDATA.keyboard_mode]

	mov	[keyboard_mode],al

	in	al,0x60

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

send_scancode:

	mov	[keyboard_data],al

; ch = scancode

; cl = ext_code

; bh = 0 - normal key

; bh = 1 - modifier (Shift/Ctrl/Alt)

; bh = 2 - extended code

	mov	ch,al

	cmp	al,0xE0

	je	@f

	cmp	al,0xE1

	jne	.normal_code

@@:

	mov	bh,2

	mov	[ext_code],al

	jmp	.writekey

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

.normal_code:

	mov	cl,0

	xchg	cl,[ext_code]

	and	al,0x7F

	mov	bh,1

@@:

	cmp	al,0x2A

	jne	@f

	cmp	cl,0xE0

	je	.writekey

	mov	eax,VKEY_LSHIFT

	jmp	.modifier

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

@@:

	cmp	al,0x36

	jne	@f

	cmp	cl,0xE0

	je	.writekey

	mov	eax,VKEY_RSHIFT

	jmp	.modifier

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

@@:

	cmp	al,0x38

	jne	@f

	mov	eax,VKEY_LALT

	test	cl,cl

	jz	.modifier

	mov	al,VKEY_RALT

	jmp	.modifier

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

@@:

	cmp	al,0x1D

	jne	@f

	mov	eax,VKEY_LCONTROL

	test	cl,cl

	jz	.modifier

	mov	al,VKEY_RCONTROL

	cmp	cl,0xE0

	jz	.modifier

	mov	[ext_code],cl

	jmp	.writekey

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

@@:

	cmp	al,0x3A

	jne	@f

	mov	bl,4

	mov	eax,VKEY_CAPSLOCK

	jmp	.no_key.xor

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

@@:

	cmp	al,0x45

	jne	@f

	test	cl,cl

	jnz	.writekey

	mov	bl,2

	mov	eax,VKEY_NUMLOCK

	jmp	.no_key.xor

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

@@:

	cmp	al,0x46

	jne	@f

	mov	bl,1

	mov	eax,VKEY_SCRLOCK

	jmp	.no_key.xor

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

@@:

	xor	ebx,ebx

	test	ch,ch

	js	.writekey

	movzx	eax,ch		 ; plain key

	mov	bl,[keymap+eax]

	mov	edx,[kb_state]

	test	dl,VKEY_CONTROL	 ; ctrl alt del

	jz	.noctrlaltdel

	test	dl,VKEY_ALT

	jz	.noctrlaltdel

	cmp	ch,53h

	jne	.noctrlaltdel

	mov	[ctrl_alt_del],1

.noctrlaltdel:

	test	dl,VKEY_CONTROL	 ; ctrl on ?

	jz	@f

	sub	bl,0x60

@@:

	test	dl,VKEY_CAPSLOCK	 ; caps lock on ?

	jz	.no_caps_lock

	test	dl,VKEY_SHIFT	 ; shift on ?

	jz	.keymap_shif

	jmp	@f

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

.no_caps_lock:

	test	dl,VKEY_SHIFT	 ; shift on ?

	jz	@f

.keymap_shif:

	mov	bl,[keymap_shift+eax]

@@:

	test	dl,VKEY_ALT	 ; alt on ?

	jz	@f

	mov	bl,[keymap_alt+eax]

@@:

	jmp	.writekey

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

.modifier:

	test	ch, ch

	js	.modifier.up

	or	[kb_state],eax

	jmp	.writekey

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

.modifier.up:

	not	eax

	and	[kb_state],eax

	jmp	.writekey

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

.no_key.xor:

	mov	bh,0

	test	ch,ch

	js	.writekey

	xor	[kb_state],eax

	xor	[kb_lights],bl

	call	set_lights

.writekey:

; test for system hotkeys

	movzx	eax,ch

	cmp	bh,1

	ja	.nohotkey

	jb	@f

	xor	eax,eax

@@:

	mov	eax, [hotkey_scancodes + eax*4]

.hotkey_loop:

	test	eax, eax

	jz	.nohotkey

	mov	cl,0

	call	hotkey_do_test

	jc	.hotkey_cont

	mov	cl,2

	call	hotkey_do_test

	jc	.hotkey_cont

	mov	cl,4

	call	hotkey_do_test

	jnc	.hotkey_found

.hotkey_cont:

	mov	eax,[eax]

	jmp	.hotkey_loop

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

.hotkey_found:

	mov	eax,[eax+8]

; put key in buffer for process in slot eax

	mov	edi,hotkey_buffer

@@:

	cmp	dword [edi],0

	jz	.found_free

	add	edi,8

	cmp	edi,hotkey_buffer+120*8

	jb	@b

; no free space - replace first entry

	mov	edi,hotkey_buffer

.found_free:

	mov	[edi],eax

	movzx	eax,ch

	cmp	bh,1

	jnz	@f

	xor	eax, eax

@@:

	mov	[edi+4],ax

	mov	eax,[kb_state]

	mov	[edi+6],ax

	jmp	.exit.irq1

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

.nohotkey:

	cmp	[keyboard_mode],0 ; return from keymap

	jne	.scancode

	test	bh,bh

	jnz	.exit.irq1

	test	bl,bl

	jz	.exit.irq1

	test	[kb_state],VKEY_NUMLOCK

	jz	.dowrite

	cmp	cl,0xE0

	jz	.dowrite

	cmp	ch,55

	jnz	@f

	mov	bl,0x2A		;*

	jmp	.dowrite

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

@@:

	cmp	ch,71

	jb	.dowrite

	cmp	ch,83

	ja	.dowrite

	movzx	eax, ch

	mov	bl,[numlock_map + eax - 71]

	jmp	.dowrite

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

.scancode:

	mov	bl,ch

.dowrite:

	movzx	eax,byte[KEY_COUNT]

	cmp	al,120

	jae	.exit.irq1

	inc	eax

	mov	[KEY_COUNT],al

	mov	[KEY_COUNT+eax],bl

.exit.irq1:

	mov	[check_idle_semaphore],5

	ret

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

set_lights:

	mov	al,0xED

	call	kb_write

	mov	al,[kb_lights]

	call	kb_write

	ret

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

numlock_map:

    db	 0x37	;Num 7

    db	 0x38	;Num 8

    db	 0x39	;Num 9

    db	 0x2D	;Num -

    db	 0x34	;Num 4

    db	 0x35	;Num 5

    db	 0x36	;Num 6

    db	 0x2B	;Num +

    db	 0x31	;Num 1

    db	 0x32	;Num 2

    db	 0x33	;Num 3

    db	 0x30	;Num 0

    db	 0x2E	;Num .

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