kolibrios/programs/develop/asciivju/trunk/asciivju.asm

use32
    org 0x0
    db  'MENUET01'
    dd  0x01,start,i_end,e_end,e_end,0,0

include '../../../proc32.inc'
include '../../../macros.inc'

BUTTON_SIDE			equ	16	; button are squares
BUTTON_SPACE			equ	19	; space between cols and rows
BUTTON_ID_SHIFT			equ	2	; button_id = character + BUTTON_ID_SHIFT
TABLE_BEGIN_X			equ	2
TABLE_BEGIN_Y			equ	2

FOCUS_SQUARE_COLOR		equ	0x000080FF
PAGE_SWITCHER_BLINK_COLOR	equ	0x00808080


start:
still:
	mcall	10
	dec	eax
	jz	redraw
	dec	eax
	jz	key

button:
	mcall	17
	shr	eax, 8

	cmp	eax, 1
	je	quit
	cmp	ax, 0xFFAA			; page switcher
	je	.switch_page			; any button with a character
  .change_focus:
	mov	bl, [symbol_focused]
	mov	[symbol_unfocused], bl
	sub	ax, BUTTON_ID_SHIFT		; get the corresponding character
	mov	[symbol_focused], al
	stdcall	draw_table, 0
	call	draw_codes
	jmp	still
  .switch_page:
	movzx	bx, [symbol_start]
	add	bx, BUTTON_ID_SHIFT
	mov	cx, 128				; half of page
	mov	edx, 0x80000000
	mov	dx, bx
    @@:	mcall	8
	inc	edx
	dec	cx
	jnz	@b

    @@:	add	[symbol_start], 128		; change page
	add	[symbol_focused], 128
	stdcall	draw_table, 1			; 1 means redraw the whole table
	call	draw_codes
	stdcall	draw_page_switcher, 1		; 1 means dark color, for blinking
	mcall	5, 10
	stdcall	draw_page_switcher, 0		; 0 means usual light color
	jmp	still

redraw:
	mcall	9, proc_info, -1
	mcall	48, 3, sys_colors, 40

	mcall	12, 1

	mcall	48, 4				; get skin height
	mov	ecx, 300*0x10000+184
	add	ecx, eax
	mov	edx, 0x34000000
	or	edx, [sys_colors.work]
	mov	esi, 0x80000000
	or	esi, [sys_colors.grab_text]
	mcall	0, <300,315>, , , , window_title
	test	[proc_info.wnd_state], 0x04
	jnz	@f

	stdcall	draw_table, 1
	call	draw_codes
	stdcall	draw_page_switcher, 0

    @@:
	mcall	12, 2
	jmp	still

key:
	mcall	2
	cmp	ah, 0x09			; TAB key
	je	button.switch_page

	cmp	ah, 0xB0			; left
	jne	@f
	mov	bl, [symbol_focused]
	mov	[symbol_unfocused], bl
	dec	bl
	and	bl, 0x0f
	and	[symbol_focused], 0xf0
	or	[symbol_focused], bl
	stdcall	draw_table, 0
	call	draw_codes
	jmp	still

    @@:	cmp	ah, 0xB1			; down
	jne	@f
	mov	bl, [symbol_focused]
	mov	[symbol_unfocused], bl
	add	bl, 16
	and	bl, 0x70
	and	[symbol_focused], 0x8f
	or	[symbol_focused], bl
	stdcall	draw_table, 0
	call	draw_codes
	jmp	still

    @@:	cmp	ah, 0xB2			; up
	jne	@f
	mov	bl, [symbol_focused]
	mov	[symbol_unfocused], bl
	sub	bl, 16
	and	bl, 0x70
	and	[symbol_focused], 0x8f
	or	[symbol_focused], bl
	stdcall	draw_table, 0
	call	draw_codes
	jmp	still

    @@:	cmp	ah, 0xB3			; righ
	jne	@f
	mov	bl, [symbol_focused]
	mov	[symbol_unfocused], bl
	inc	bl
	and	bl, 0x0f
	and	[symbol_focused], 0xf0
	or	[symbol_focused], bl
	stdcall	draw_table, 0
	call	draw_codes
	jmp	still
	jne	@f

    @@:
	jmp	still



proc	draw_table _full_redraw

	mov	al, [symbol_start]
	mov	[symbol_current], al

  .next_button:

	xor	edi, edi			; character focus flag
	mov	al, [symbol_current]
	cmp	al, [symbol_focused]
	jne	@f
	inc	edi
    @@:	cmp	[_full_redraw], 1
	je	.draw
	cmp	al, [symbol_focused]
	je	.draw
	cmp	al, [symbol_unfocused]		; previously focused, should redraw to clear focus
	je	.draw
	jmp	.skip				; skip button if it isn't (un)focused

  .draw:
	call	draw_button
  .skip:
	mov	bl, [symbol_start]
	add	bl, 127				; end of current page
	cmp	[symbol_current], bl		; the last on page?
	jne	@f
	mov	[button_x], TABLE_BEGIN_X
	mov	[button_y], TABLE_BEGIN_Y
	ret
    @@:	inc	[symbol_current]
	add	[button_x], BUTTON_SPACE
	cmp	[button_x], 306			; the last in row?
	jne	.next_button
	add	[button_y], BUTTON_SPACE	; next row
	mov	[button_x], TABLE_BEGIN_X
	jmp	.next_button
	ret
endp


proc	draw_button
	mov	ebx, [button_x]
	shl	ebx, 16
	mov	bx, BUTTON_SIDE
	mov	ecx, [button_y]
	shl	ecx, 16
	mov	cx, BUTTON_SIDE
	mov	edx, 0x80000000
	mov	dl, [symbol_current]
	add	edx, BUTTON_ID_SHIFT
	mcall	8, , ,
	and	edx, 0x7FFFFFFF
	or	edx, 0x20000000
	mcall	, , , , [sys_colors.work_button]

	test	edi, edi			; is focused?
	jz	.symbol				; draw only character, not selection square
  .focus_frame:					; draw a blue square (selection), 8 segments
	mov	esi, [button_x]
	mov	edi, [button_y]

	mov	bx, si
	shl	ebx, 16
	mov	bx, si
	add	bx, BUTTON_SIDE
	mov	cx, di
	shl	ecx, 16
	mov	cx, di
	mcall	38, , , FOCUS_SQUARE_COLOR
	add	ecx, 0x00010001
	mcall
	add	ecx, (BUTTON_SIDE-2)*0x10000+(BUTTON_SIDE-2)
	mcall
	add	ecx, 0x00010001
	mcall

	mov	bx, si
	shl	ebx, 16
	mov	bx, si
	mov	cx, di
	shl	ecx, 16
	mov	cx, di
	add	ecx, 2*0x10000+(BUTTON_SIDE-2)
	mcall	38, , ,
	add	ebx, 0x00010001
	mcall
	add	ebx, (BUTTON_SIDE-2)*0x10000+(BUTTON_SIDE-2)
	mcall
	add	ebx, 0x00010001
	mcall

  .symbol:
	mov	ebx, [button_x]
	add	ebx, 6
	shl	ebx, 16
	add	ebx, [button_y]
	add	ebx, 5
	mcall	4, , [sys_colors.work_button_text], symbol_current, 1

	ret
endp


proc	draw_page_switcher _blinking

	mcall	8, , , 0x8000FFAA

	mov	esi, [sys_colors.work_button]
	cmp	[_blinking], 1			; blinking?
	jne	@f
	mov	esi, PAGE_SWITCHER_BLINK_COLOR
    @@:	mcall	, <2,60>, <157,19>, 0x2000FFAA

	mov	ecx, 0x80000000
	or	ecx, [sys_colors.work_button_text]
	mov	edx, string_000_127
	cmp	[symbol_start], 0		; first page?
	je	@f
	mov	edx, string_128_255		; ok, the second one
    @@:	mcall	4, <11,164>,
	ret
endp


proc	draw_codes

	mov	ecx, 0x80000000
	or	ecx, [sys_colors.work_text]
	mcall	4, <80,164>, , string_ASCII_CODE
	mcall	, <180,164>, , string_ASCII_HEX_CODE
	movzx	ecx, [symbol_focused]
	mov	esi, 0x40000000
	or	esi, [sys_colors.work_text]
	mcall	47, 0x00030000, , <152,164>, , [sys_colors.work]
	mcall	, 0x00020100, , <276,164>,

	ret
endp


quit:
	mcall	-1


szZ window_title		,'ASCIIVju v0.4'
szZ string_000_127		,'000-127'
szZ string_128_255		,'128-255'
szZ string_ASCII_CODE		,'ASCII Code:    '
szZ string_ASCII_HEX_CODE	,'ASCII Hex-Code:   '

button_x		dd 2
button_y		dd 2

symbol_current		db 0
symbol_start		db 0

symbol_unfocused	db 0
symbol_focused		db 0
i_end:
proc_info		process_information
sys_colors		system_colors
rb 0x400					;stack
e_end: