kolibrios-fun/programs/develop/libraries/box_lib/trunk/scrollbar.mac

;**************************************************************
; ScrollBar Macro for Kolibri OS
; Copyright (c) 2009, Marat Zakiyanov aka Mario79, aka Mario
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are met:
;	 * Redistributions of source code must retain the above copyright
;	   notice, this list of conditions and the following disclaimer.
;	 * Redistributions in binary form must reproduce the above copyright
;	   notice, this list of conditions and the following disclaimer in the
;	   documentation and/or other materials provided with the distribution.
;	 * Neither the name of the <organization> nor the
;	   names of its contributors may be used to endorse or promote products
;	   derived from this software without specific prior written permission.
;
; THIS SOFTWARE IS PROVIDED BY Marat Zakiyanov ''AS IS'' AND ANY
; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
; DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;*****************************************************************************
macro scroll_bar_exit
{
popa
ret 4
}
;*****************************************************************************
macro draw_up_arrow_vertical
{
	push  ebx
	
	xor   eax,eax
	mov   ax,sb_size_x
	shr   eax,1
	shl   eax,16
	add   ebx,eax
	
	xor   eax,eax
	mov   ax,sb_btn_high
	shr   eax,1
	shl   eax,16
	add   ecx,eax
	
	mov   edx,sb_line_col
	sub   ebx,4 shl 16
	mov   bx,7
	mov   cx,1
	mov   eax,13
	int   0x40
	sub   ecx,1 shl 16
	add   ebx,1 shl 16
	mov   bx,5
	int   0x40
	sub   ecx,1 shl 16
	add   ebx,1 shl 16
	mov   bx,3
	int   0x40
	sub   ecx,1 shl 16
	add   ebx,1 shl 16
	mov   bx,1
	int   0x40
	pop   ebx
}
;*****************************************************************************
macro draw_down_arrow_vertical
{
	push  ebx
	
	xor   eax,eax
	mov   ax,sb_size_x
	shr   eax,1
	shl   eax,16
	add   ebx,eax
	
	xor   eax,eax
	mov   ax,sb_btn_high
	shr   eax,1
	shl   eax,16
	add   ecx,eax
	
	mov   edx,sb_line_col
	sub   ebx,4 shl 16
	mov   bx,7
	sub   ecx,2 shl 16
	mov   cx,1
	mov   eax,13
	int   0x40
	add   ecx,1 shl 16
	add   ebx,1 shl 16
	mov   bx,5
	int   0x40
	add   ecx,1 shl 16
	add   ebx,1 shl 16
	mov   bx,3
	int   0x40
	add   ecx,1 shl 16
	add   ebx,1 shl 16
	mov   bx,1
	int   0x40
	pop   ebx
}
;*****************************************************************************
macro draw_runner_center_vertical
{
	push  ebx
	push  ecx
	
	xor   eax,eax
	mov   ax,sb_size_x
	shr   eax,1
	shl   eax,16
	add   ebx,eax
	
	mov   edx,sb_run_size
	shr   edx,1
	shl   edx,16
	add   ecx,edx
	mov   edx,sb_line_col
	sub   ecx,8 shl 16
	sub   ebx,5 shl 16
	mov   bx,10
	add   ecx,4 shl 16
	mov   cx,1
	mov   eax,13
	int   0x40
	add   ecx,3 shl 16
	sub   ebx,1 shl 16
	mov   bx,12
	int   0x40
	add   ebx,1 shl 16
	mov   bx,10
	add   ecx,3 shl 16
	int   0x40
	pop   ecx
	pop   ebx
}
;*****************************************************************************
macro draw_up_arrow_horizontal
{
	push  ecx
	
	xor   eax,eax
	mov   ax,sb_btn_high
	shr   eax,1
	shl   eax,16
	add   ebx,eax
	
	xor   eax,eax
	mov   ax,sb_size_y
	shr   eax,1
	shl   eax,16
	add   ecx,eax
	
	mov   edx,sb_line_col
	sub   ecx,4 shl 16
	mov   cx,7
	mov   bx,1
	
	mov   eax,13
	int   0x40
	sub   ebx,1 shl 16
	add   ecx,1 shl 16
	mov   cx,5
	int   0x40
	sub   ebx,1 shl 16
	add   ecx,1 shl 16
	mov   cx,3
	int   0x40
	sub   ebx,1 shl 16
	add   ecx,1 shl 16
	mov   cx,1
	int   0x40
	pop   ecx
}
;*****************************************************************************
macro draw_down_arrow_horizontal
{
	push  ecx
	
	xor   eax,eax
	mov   ax,sb_btn_high
	shr   eax,1
	shl   eax,16
	add   ebx,eax
	
	xor   eax,eax
	mov   ax,sb_size_y
	shr   eax,1
	shl   eax,16
	add   ecx,eax
	
	mov   edx,sb_line_col
	sub   ecx,4 shl 16
	mov   cx,7
	sub   ebx,2 shl 16
	mov   bx,1
	mov   eax,13
	int   0x40
	add   ebx,1 shl 16
	add   ecx,1 shl 16
	mov   cx,5
	int   0x40
	add   ebx,1 shl 16
	add   ecx,1 shl 16
	mov   cx,3
	int   0x40
	add   ecx,1 shl 16
	add   ebx,1 shl 16
	mov   cx,1
	int   0x40
	pop   ecx
}
;*****************************************************************************
macro draw_runner_center_horizontal
{
	push  ebx
	push  ecx
	
	xor   eax,eax
	mov   ax,sb_size_y
	shr   eax,1
	shl   eax,16
	add   ecx,eax
	
	mov   edx,sb_run_size
	shr   edx,1
	shl   edx,16
	add   ebx,edx
	mov   edx,sb_line_col
	sub   ebx,8 shl 16
	sub   ecx,5 shl 16
	mov   cx,10
	add   ebx,4 shl 16
	mov   bx,1
	mov   eax,13
	int   0x40
	add   ebx,3 shl 16
	sub   ecx,1 shl 16
	mov   cx,12
	int   0x40
	add   ecx,1 shl 16
	mov   cx,10
	add   ebx,3 shl 16
	int   0x40
	pop   ecx
	pop   ebx
}
;*****************************************************************************
macro use_scroll_bar
{
scroll_bar:
sb_size_x		equ [edi]
sb_start_x		equ [edi+2]
sb_size_y		equ [edi+4]
sb_start_y		equ [edi+6]
sb_btn_high		equ [edi+8]
sb_type			equ [edi+12]
sb_max_area		equ [edi+16]
sb_cur_area		equ [edi+20]
sb_position		equ [edi+24]
sb_bckg_col		equ [edi+28]
sb_frnt_col		equ [edi+32]
sb_line_col		equ [edi+36]
sb_redraw		equ [edi+40]
sb_delta		equ [edi+44]
sb_delta2		equ [edi+46]
sb_r_size_x		equ [edi+48]
sb_r_start_x	equ [edi+50]
sb_r_size_y		equ [edi+52]
sb_r_start_y	equ [edi+54]
sb_m_pos		equ [edi+56]
sb_m_pos_2		equ [edi+60]
sb_m_keys		equ [edi+64]
sb_run_size		equ [edi+68]
sb_position2	equ [edi+72]
sb_work_size	equ [edi+76]
sb_all_redraw	equ [edi+80]
sb_ar_offset	equ [edi+84]
}
;*****************************************************************************
;*****************************************************************************
; draw event
;*****************************************************************************
;*****************************************************************************
macro use_scroll_bar_vertical
{
scroll_bar_vertical:
.draw:
	pusha
	mov   edi,dword [esp+36]
	mov   sb_delta,word 0
	call  .draw_1
	mov   sb_all_redraw,dword 0
scroll_bar_exit
.draw_1:
	pusha
;*********************************
	xor   eax,eax
	mov   ax,sb_size_y
	mov   edx,sb_btn_high
	shl   edx,1
	sub   eax,edx
	mov   sb_work_size,eax
;*********************************
	mov   eax,sb_work_size
	mov   ebx,sb_max_area
	cmp   ebx,sb_cur_area
	ja	@f

	jmp   .no_size

@@: 
	imul  eax,sb_cur_area
	xor   edx,edx
	div   ebx
	cmp   eax,10
	jae   @f
	mov   eax,10
@@:
.no_size:
	mov   sb_run_size,eax
;*********************************
	cmp   sb_delta,word 1
	je	.@@_3
	mov   eax,sb_work_size
	sub   eax,sb_run_size
	mov   ebx,sb_max_area
	cmp   ebx,sb_cur_area
	ja	@f
	xor   eax,eax
	jmp   .@@_1
@@:
	sub   ebx,sb_cur_area
	imul  eax,sb_position
	xor   edx,edx
	div   ebx
.@@_1:
	mov   sb_position2,eax
	xor   edx,edx
	mov   dx,sb_size_y
	sub   edx,sb_btn_high
	sub   edx,sb_btn_high
	sub   edx,sb_run_size
	cmp   sb_position2,edx
	jbe   .@@_3
	mov   sb_position2,edx
.@@_3:
;*********************************	
	mov   ebx,sb_start_x
	shl   ebx,16
	inc   ebx
	mov   ecx,sb_size_y
	mov   edx,sb_line_col
	mov   eax,13
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; left extreme line
@@:
	push  ebx
	ror   ebx,16
	add   bx,sb_size_x
	rol   ebx,16
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; right extreme line
@@:
	pop   ebx

	push  ecx
	
	add   ebx,1 shl 16
	mov   bx,sb_size_x
	dec   ebx	
	mov   cx,1
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; top button - extreme line
@@:
	push  ecx
	add   ecx,1 shl 16
	add   ecx,sb_btn_high
	sub   ecx,2
	mov   edx,sb_frnt_col
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; top button filling
;*********************************	
draw_up_arrow_vertical
;********************************* 
@@:
	pop   ecx
	
	ror   ecx,16
	add   ecx,sb_btn_high  ;14 shl 16
	rol   ecx,16
	mov   edx,sb_line_col
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ;  top button - bottom line
@@:
	pop   ecx
;********************************* 
	ror   ecx,16	
	add   ecx,sb_btn_high  ;15 shl 16
	inc   ecx
	rol   ecx,16
	sub   ecx,sb_btn_high  ;30
	sub   ecx,sb_btn_high
	push  ecx
	mov   cx,0
	add   ecx,sb_position2
	dec   cx
	mov   eax,13
	test  cx,0x8000
	jnz   @f
	mov   edx,sb_bckg_col
	int   0x40	; top interval
@@:
;********************************* 
	shr   ecx,16
	add   ecx,sb_position2
	dec   ecx
	shl   ecx,16
	inc   ecx
	mov   edx,sb_line_col
	int   0x40	; runner - top extreme line
	
	add   ecx,1 shl 16
	mov   cx,0
	add   ecx,sb_run_size
	mov   sb_r_size_x,ebx
	mov   sb_r_size_y,ecx
	sub   ecx,2
	mov   edx,sb_frnt_col
	int   0x40   ; runner filling
;********************************* 
draw_runner_center_vertical
;********************************* 
	shr   ecx,16
	add   ecx,sb_run_size
	sub   ecx,2
	shl   ecx,16  
	inc   ecx
	mov   edx,sb_line_col
	int   0x40   ; runner - bottom extreme line
	
	add   ecx,1 shl 16
	mov   cx,sb_start_y
	add   cx,sb_size_y
	sub   ecx,sb_btn_high
	dec   ecx
	mov   eax,ecx
	shr   eax,16
	sub   cx,ax
	test  cx,0x8000
	jnz	  @f
	mov   edx,sb_bckg_col
	mov   eax,13
	int   0x40   ; bottom interval
@@:	
	pop   ecx	
;*********************************	
	mov   ax,cx
	shr   ecx,16
	add   cx,ax
	sub   ecx,2
	shl   ecx,16
	inc   ecx
	mov   edx,sb_line_col
	mov   eax,13
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; bottom button - top line
@@:
	push  ecx
	add   ecx,1 shl 16
	add   cx,sb_btn_high
	sub   ecx,2
	mov   edx,sb_frnt_col
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; bottom button filling
;********************************* 
draw_down_arrow_vertical
;********************************* 
@@:
	pop   ecx
	
	ror   ecx,16
	add   ecx,sb_btn_high
	rol   ecx,16
	
	mov   edx,sb_line_col
	mov   cx,1
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; bottom button - extreme line
@@:
	popa
	ret
;*****************************************************************************
;*****************************************************************************
; mouse event
;*****************************************************************************
;*****************************************************************************
.mouse:
	pusha
	mov	 edi,dword [esp+36]
	mcall 37,1
	mov   sb_m_pos,eax
	cmp   sb_m_pos_2,dword 0
	jne   @f
	
	mov   sb_m_pos_2,eax	
@@:
	mcall 37,2
	mov   sb_m_keys,eax	

	cmp   sb_m_keys,eax
	je	  @f
	
	mov   sb_m_keys,eax
 
	mov   sb_delta,dword 0

	mov   eax,sb_m_pos
	mov   sb_m_pos_2,eax
	jmp   .continue_2
	
@@:
	cmp   sb_m_keys,dword 0
	jne	 @f
	mov   eax,sb_m_pos
	mov   sb_m_pos_2,eax
	jmp   .correct_1	;.exit_sb	
@@:
	mov   sb_delta,word 1

.continue_2:
	mov   eax,sb_m_pos
	test  eax,0x80000000
	jnz   .exit_sb
	
	test  eax,0x8000
	jnz   .exit_sb
	
	mov   ebx,eax
	shr   ebx,16   ; x position
	shl   eax,16
	shr   eax,16   ; y position

	mov   cx,sb_start_y
	cmp   ax,cx
	jb	.exit_sb
	
	cmp   sb_delta2,word 0
	je	@f
	push  ecx
	add   cx,sb_btn_high
	cmp   ax,cx
	pop   ecx
	jb	.exit_sb
	
@@:
	add   cx,sb_size_y
	cmp   ax,cx
	ja	.exit_sb

	cmp   sb_delta2,word 0
	je	@f
	sub   cx,sb_btn_high
	cmp   ax,cx
	ja	.exit_sb
	
@@:
	cmp   sb_delta2,word 1
	je	@f
	
	cmp   sb_m_keys,dword 0
	je	.exit_sb
	
	mov   cx,sb_start_x
	cmp   bx,cx
	jb	.exit_sb
	
	add   cx,sb_size_x
	cmp   bx,cx
	ja	.exit_sb

	mov   cx,sb_r_start_y
	cmp   ax,cx
	jb	.no_runner
	
	add   cx,sb_r_size_y
	cmp   ax,cx
	ja	.no_runner

	mov   sb_delta2,word 1	
@@:
	push  eax
	mov   ax,sb_m_pos
	cmp   ax,sb_m_pos_2
	je	.correct	
	
	shl   eax,16
	shr   eax,16
	mov   ebx,sb_m_pos_2
	shl   ebx,16
	shr   ebx,16
	cmp   eax,ebx
	jb   .sub
	
	sub   eax,ebx
	mov   ebx,eax
	add   sb_position2,ebx
	xor   eax,eax
	mov   ax,sb_size_y
	sub   eax,sb_btn_high
	sub   eax,sb_btn_high
	sub   eax,sb_run_size
	cmp   sb_position2,eax
	jbe   @f
	
	mov   sb_position2,eax
@@:
	mov   eax,sb_m_pos
	mov   sb_m_pos_2,eax
	pop   eax
	call  .draw_1
	jmp   .no_runner_1
	
.correct:
	pop   eax
	jmp   .exit_sb
.correct_1:
	mov   sb_delta,dword 0
	jmp   .exit_sb

.sub:
	sub   ebx,eax
	sub   sb_position2,ebx
	test  sb_position2,dword 0x80000000
	jz	  @f
	
	mov   sb_position2,dword 0
@@:
	mov   eax,sb_m_pos
	mov   sb_m_pos_2,eax
	pop   eax
	call  .draw_1
	jmp   .no_runner_1

;*****************************************************************************
.no_runner:
	mov   sb_delta,dword 0
.no_runner_1:
	xor   ecx,ecx
	mov   cx,sb_start_y
	add   cx,sb_btn_high   ;15
	cmp   sb_delta,word 1
	je	.scroll_sb
	
	cmp   ax,cx
	ja	.scroll_sb
	
	cmp   sb_m_keys,dword 0
	je   .exit_sb
	
	mov   eax,sb_ar_offset
	cmp   sb_position,eax  ;dword 0
	jbe   @f
	
	sub   sb_position,eax
	jmp   .all_sb
@@:
	xor   eax,eax
	mov   sb_position,eax ;dword 0
	mov   sb_position2,eax ;dword 0
	jmp   .all_sb
;*****************************************************************************
.scroll_sb:
	add   cx,sb_size_y
	sub   cx,sb_btn_high
	sub   cx,sb_btn_high
	cmp   sb_delta,word 1
	je	@f
	
	cmp   ax,cx
	ja	.down_sb
	
@@:
	mov   ebx,sb_btn_high   ;16  ;15
	add   bx,sb_start_y
	sub   cx,bx
	sub   ax,bx
	
.scroll_sb_1:	
	mov   ebx,sb_run_size
;*****************************************************************************	
	cmp   sb_delta,word 1
	je	.continue
	
@@:
	mov   edx,eax
	push  ebx
	shr   ebx,1 
	sub   edx,ebx
	pop   ebx
	mov   sb_position2,edx
	test  sb_position2,dword 0x80000000
	jz	 .test_1
	
	mov   sb_position2,dword 0
	jmp   .continue
	
.test_1: 
	xor   edx,edx
	mov   dx,sb_size_y
	sub   edx,sb_btn_high
	sub   edx,sb_btn_high
	sub   edx,sb_run_size
	cmp   sb_position2,edx
	jbe   .continue
	
	mov   sb_position2,edx

.continue:   
	mov   eax,sb_position2
	sub   ecx,ebx
.continue_1:
;*****************************************************************************  
	mov   ebx,eax

	mov   eax,sb_max_area
	cmp   eax,sb_cur_area
	ja	@f

	xor   eax,eax
	inc   eax
	mov   sb_position2,eax
	jmp   .all_sb
@@:
	sub   eax,sb_cur_area
	inc   eax
	shl   eax,10
	xor   edx,edx
	div   ecx
	shl   edx,1
	cmp   edx,ecx
	jb	@f
	
	inc   eax
	
@@:
	imul  eax,ebx
	shr   eax,10
	
	cmp   sb_position,eax
	je	.exit_sb
	
	cmp   eax,0
	ja	@f
	
	xor   eax,eax
	
@@:
.store_position:
	mov   sb_position,eax
.all_sb:
	mov   sb_redraw,dword 1
	call  .draw_1
	mov   eax,sb_m_pos
	mov   sb_m_pos_2,eax
	jmp   .exit_sb
;*****************************************************************************
.down_sb:
	cmp   sb_m_keys,dword 0
	je   .exit_sb
	
	mov   eax,sb_max_area
	mov   ebx,sb_ar_offset
	sub   eax,sb_cur_area
	push  eax
	sub   eax,ebx
	cmp   sb_position,eax
	pop   eax
	jae   @f
	
	add   sb_position,ebx
	jmp   .all_sb
@@:
	mov   sb_position,eax
	xor   eax,eax
	mov   ax,sb_size_y
	sub   eax,sb_btn_high
	sub   eax,sb_btn_high
	sub   eax,sb_run_size
	mov   sb_position2,eax
	jmp   .all_sb	
.exit_sb:	
scroll_bar_exit
}

;*****************************************************************************
;*****************************************************************************
;*****************************************************************************
;*****************************************************************************
;*****************************************************************************
macro use_scroll_bar_horizontal
{
scroll_bar_horizontal:
.draw:
	pusha
	mov   edi,dword [esp+36]
	mov   sb_delta,word 0
	call  .draw_1
	mov   sb_all_redraw,dword 0
scroll_bar_exit
.draw_1:
	pusha
;*********************************
	xor   eax,eax
	mov   ax,sb_size_x	;sb_size_y
	mov   edx,sb_btn_high
	shl   edx,1
	sub   eax,edx
	mov   sb_work_size,eax
;*********************************
	mov   eax,sb_work_size   ;sb_max_area
	mov   ebx,sb_max_area
	cmp   ebx,sb_cur_area
	ja	@f

	jmp   .no_size

@@: 
	imul  eax,sb_cur_area
	xor   edx,edx
	div   ebx
	cmp   eax,10
	jae   @f
	mov   eax,10
@@:
.no_size:
	mov   sb_run_size,eax
;*********************************
	cmp   sb_delta,word 1
	je	.@@_3
	mov   eax,sb_work_size
	sub   eax,sb_run_size
	mov   ebx,sb_max_area
	cmp   ebx,sb_cur_area
	ja	@f
	xor   eax,eax
	jmp   .@@_1
@@:
	sub   ebx,sb_cur_area
	imul  eax,sb_position
	xor   edx,edx
	div   ebx
.@@_1:
	mov   sb_position2,eax
	xor   edx,edx
	mov   dx,sb_size_x
	sub   edx,sb_btn_high
	sub   edx,sb_btn_high
	sub   edx,sb_run_size
	cmp   sb_position2,edx
	jbe   .@@_3
	mov   sb_position2,edx
.@@_3:
;*********************************	
	mov   ebx,sb_size_x
	mov   ecx,sb_start_y
	shl   ecx,16
	inc   ecx	
	mov   edx,sb_line_col
	mov   eax,13
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; top extreme line
@@:
	push  ecx
	ror   ecx,16
	add   cx,sb_size_y
	rol   ecx,16
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; bottom extreme line
@@:
	pop   ecx

	push  ebx
	
	add   ecx,1 shl 16
	mov   cx,sb_size_y
	dec   ecx	
	mov   bx,1
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; left button - extreme line
@@:
	push  ebx
	add   ebx,1 shl 16
	add   ebx,sb_btn_high
	sub   ebx,2
	mov   edx,sb_frnt_col
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; left  button filling
;*********************************	
draw_up_arrow_horizontal
;********************************* 
@@:
	pop   ebx
	
	ror   ebx,16
	add   ebx,sb_btn_high  ;14 shl 16
	rol   ebx,16
	mov   edx,sb_line_col
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ;  left  button - right line
@@:
	pop   ebx
;********************************* 
	ror   ebx,16	
	add   ebx,sb_btn_high  ;15 shl 16
	  inc   ebx
	rol   ebx,16
	sub   ebx,sb_btn_high  ;30
	sub   ebx,sb_btn_high
	push  ebx
	mov   bx,0
	add   ebx,sb_position2
	  dec   bx
	mov   eax,13
	test  bx,0x8000
	jnz   @f
	mov   edx,sb_bckg_col
	int   0x40	; left interval
@@:
;********************************* 
	shr   ebx,16
	add   ebx,sb_position2
	dec   ebx
	shl   ebx,16
	inc   ebx
	mov   edx,sb_line_col
	int   0x40	; runner - left extreme line
	
	add   ebx,1 shl 16
	mov   bx,0
	add   ebx,sb_run_size
	mov   sb_r_size_x,ebx
	mov   sb_r_size_y,ecx
	sub   ebx,2
	mov   edx,sb_frnt_col
	int   0x40   ; runner filling
;********************************* 
draw_runner_center_horizontal
;********************************* 
	shr   ebx,16
	add   ebx,sb_run_size
	sub   ebx,2
	shl   ebx,16  
	inc   ebx
	mov   edx,sb_line_col
	int   0x40   ; runner - bottom extreme line
	
	add   ebx,1 shl 16
	mov   bx,sb_start_x
	add   bx,sb_size_x
	sub   ebx,sb_btn_high
	dec   ebx
	mov   eax,ebx
	shr   eax,16
	sub   bx,ax
	test  bx,0x8000
	jnz   @f
	mov   edx,sb_bckg_col
	mov   eax,13
	int   0x40   ; bottom interval
@@:
	pop   ebx	
;*********************************	
	mov   ax,bx
	shr   ebx,16
	add   bx,ax
	sub   ebx,2
	shl   ebx,16
	inc   ebx
	mov   edx,sb_line_col
	mov   eax,13
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40	; bottom button - top line
@@:
	push  ebx
	add   ebx,1 shl 16
	add   bx,sb_btn_high
	sub   ebx,2
	mov   edx,sb_frnt_col
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; bottom button filling
;********************************* 
draw_down_arrow_horizontal
;*********************************
@@: 
	pop   ebx
	
	ror   ebx,16
	add   ebx,sb_btn_high  ;14 shl 16
	rol   ebx,16
	
	mov   edx,sb_line_col
	mov   bx,1
	cmp  sb_all_redraw,dword 0
	je   @f
	int   0x40   ; bottom button - extreme line
@@:
	popa
	ret
;*****************************************************************************
; mouse event
;*****************************************************************************
.mouse:
	pusha
	mov	 edi,dword [esp+36]
	mcall 37,1
	mov   sb_m_pos,eax
	cmp   sb_m_pos_2,dword 0
	jne   @f
	
	mov   sb_m_pos_2,eax	
@@:
	mcall 37,2
	mov   sb_m_keys,eax	

	cmp   sb_m_keys,eax
	je	  @f
	
	mov   sb_m_keys,eax
 
	mov   sb_delta,dword 0
	
	mov   eax,sb_m_pos
	mov   sb_m_pos_2,eax
	jmp   .continue_2
	
@@:
	cmp   sb_m_keys,dword 0
	jne	 @f
	mov   eax,sb_m_pos
	mov   sb_m_pos_2,eax
	jmp   .correct_1	;.exit_sb
@@:
	mov   sb_delta,word 1

.continue_2:
	mov   eax,sb_m_pos
	test  eax,0x80000000
	jnz   .exit_sb
	
	test  eax,0x8000
	jnz   .exit_sb
	
	mov   ebx,eax
	shr   eax,16   ; x position
	shl   ebx,16
	shr   ebx,16   ; y position

	mov   cx,sb_start_x   ;y
	cmp   ax,cx
	jb	.exit_sb
	
	cmp   sb_delta2,word 0
	je	@f
	push  ecx
	add   cx,sb_btn_high
	cmp   ax,cx
	pop   ecx
	jb	.exit_sb
	
@@:
	add   cx,sb_size_x	;y
	cmp   ax,cx
	ja	.exit_sb

	cmp   sb_delta2,word 0
	je	@f
	sub   cx,sb_btn_high
	cmp   ax,cx
	ja	.exit_sb
	
@@:
	cmp   sb_delta2,word 1
	je	@f
	
	cmp   sb_m_keys,dword 0
	je	.exit_sb
	
	mov   cx,sb_start_y   ;x
	cmp   bx,cx
	jb	.exit_sb
	
	add   cx,sb_size_y	;x
	cmp   bx,cx
	ja	.exit_sb
	
	mov   cx,sb_r_start_x
	cmp   ax,cx
	jb	.no_runner
	
	add   cx,sb_r_size_x
	cmp   ax,cx
	ja	.no_runner

	mov   sb_delta2,word 1
@@:
	push  eax
	mov   eax,sb_m_pos
	mov   ebx,sb_m_pos_2
	shr   eax,16
	shr   ebx,16
	cmp   eax,ebx
	je	.correct	
	
;	shl   eax,16
;	shr   eax,16
;	mov   ebx,sb_m_pos_2
;	shl   ebx,16
;	shr   ebx,16
;	cmp   eax,ebx
	jb   .sub
	
	sub   eax,ebx
	mov   ebx,eax
	add   sb_position2,ebx
	xor   eax,eax
	mov   ax,sb_size_x	;y
	sub   eax,sb_btn_high
	sub   eax,sb_btn_high
	sub   eax,sb_run_size
	cmp   sb_position2,eax
	jbe   @f
	
	mov   sb_position2,eax
@@:
	mov   eax,sb_m_pos
	mov   sb_m_pos_2,eax
	pop   eax
	call  .draw_1
	jmp   .no_runner_1
	
.correct:
	pop   eax
	jmp   .exit_sb
.correct_1:
	mov   sb_delta,dword 0
	jmp   .exit_sb

.sub:
	sub   ebx,eax
	sub   sb_position2,ebx
	test  sb_position2,dword 0x80000000
	jz	  @f
	
	mov   sb_position2,dword 0
@@:
	mov   eax,sb_m_pos
	mov   sb_m_pos_2,eax
	pop   eax
	call  .draw_1
	jmp   .no_runner_1

;*****************************************************************************
.no_runner:
	mov   sb_delta,dword 0
.no_runner_1:
	xor   ecx,ecx
	mov   cx,sb_start_x   ;y
	add   cx,sb_btn_high   ;15
	cmp   sb_delta,word 1
	je	.scroll_sb
	
	cmp   ax,cx
	ja	.scroll_sb
	
	cmp   sb_m_keys,dword 0
	je   .exit_sb
	
	mov   eax,sb_ar_offset
	cmp   sb_position,eax  ;dword 0
	jbe   @f
	
	sub   sb_position,eax
	jmp   .all_sb
@@:
	xor   eax,eax
	mov   sb_position,eax ;dword 0
	mov   sb_position2,eax  ;dword 0
	jmp   .all_sb
;*****************************************************************************
.scroll_sb:
	add   cx,sb_size_x	;y
	sub   cx,sb_btn_high
	sub   cx,sb_btn_high
	cmp   sb_delta,word 1
	je	@f
	
	cmp   ax,cx
	ja	.down_sb
	
@@:
	mov   ebx,sb_btn_high   ;16  ;15
	add   bx,sb_start_x	;y
	sub   cx,bx
	sub   ax,bx
	
.scroll_sb_1:	
	mov   ebx,sb_run_size
;*****************************************************************************	
	cmp   sb_delta,word 1
	je	.continue
	
@@:
	mov   edx,eax

	push  ebx
	shr   ebx,1 
	sub   edx,ebx
	pop   ebx
	mov   sb_position2,edx
	test  sb_position2,dword 0x80000000
	jz	 .test_1
	
	mov   sb_position2,dword 0
	jmp   .continue
	
.test_1: 
	xor   edx,edx
	mov   dx,sb_size_x	 ;y
	sub   edx,sb_btn_high
	sub   edx,sb_btn_high
	sub   edx,sb_run_size
	cmp   sb_position2,edx
	jbe   .continue
	
	mov   sb_position2,edx

.continue:   
	mov   eax,sb_position2
	sub   ecx,ebx
.continue_1:
;*****************************************************************************  
	mov   ebx,eax

	mov   eax,sb_max_area
	cmp   eax,sb_cur_area
	ja	@f

	xor   eax,eax
	inc   eax
	mov   sb_position2,eax
	jmp   .all_sb
@@:
	sub   eax,sb_cur_area
	inc   eax
	shl   eax,10
	xor   edx,edx
	div   ecx
	shl   edx,1
	cmp   edx,ecx
	jb	@f
	
	inc   eax
	
@@:
	imul  eax,ebx
	shr   eax,10
	
	cmp   sb_position,eax
	je	.exit_sb
	
	cmp   eax,0
	ja	@f
	
	xor   eax,eax
	
@@:
.store_position:
	mov   sb_position,eax
.all_sb:
	mov   sb_redraw,dword 1
	call  .draw_1
	mov   eax,sb_m_pos
	mov   sb_m_pos_2,eax
	jmp   .exit_sb
;*****************************************************************************
.down_sb:
	cmp   sb_m_keys,dword 0
	je   .exit_sb
	
	mov   eax,sb_max_area
	mov   ebx,sb_ar_offset
	sub   eax,sb_cur_area
	push  eax
	sub   eax,ebx
	cmp   sb_position,eax
	pop   eax
	jae   @f
	
	add   sb_position,ebx
	jmp   .all_sb
@@:
	mov   sb_position,eax
	xor   eax,eax
	mov   ax,sb_size_x
	sub   eax,sb_btn_high
	sub   eax,sb_btn_high
	sub   eax,sb_run_size
	mov   sb_position2,eax
	jmp   .all_sb
.exit_sb:
scroll_bar_exit
}