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1) revised 't_edit' new function 'ted_init_scroll_bars'

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2) updated documentation

git-svn-id: svn://kolibrios.org@1458 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
IgorA
2010-05-03 15:12:50 +00:00
parent fd898963db
commit 16c8c37422
8 changed files with 524 additions and 298 deletions
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programs/develop/libraries/box_lib/trunk/t_edit.mac
+313 -220
View File
@@ -1,6 +1,6 @@
; ¬ ªà®á ¤«ï á¨á⥬­®© ¡¨¡«¨®â¥ª¨ box_lib.obj
; í«¥¬¥­â TextEditor ¤«ï Kolibri OS
; ä ©« ¯®á«¥¤­¨© à § ¨§¬¥­ï«áï 29.04.2010 IgorA
; ä ©« ¯®á«¥¤­¨© à § ¨§¬¥­ï«áï 03.05.2010 IgorA
; ­  ª®¤ ¯à¨¬¥­¥­  GPL2 «¨æ¥­§¨ï
;input:
@@ -54,6 +54,8 @@ struct symbol
ends
;------------------------------------------------------------------------------
ted_symbol_tab db 26
if lang eq ru
txtFindCapt db '�®¨áª',0
@@ -80,7 +82,7 @@ end if
;------
align 4
EvChar db 0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0
EvChar db 0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0
db 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
db 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
db 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
@@ -146,30 +148,95 @@ KEY_F3 equ 0x0000003D
align 4
proc ted_init, edit:dword
push eax ecx edi
mov edi,dword[edit]
push eax ecx edi
mov edi,dword[edit]
mov ecx,sizeof.symbol
imul ecx,ted_max_chars
call mem_Alloc ;¢ë¤¥«ï¥¬ ¯ ¬ïâì
mov ted_tex,eax
mov ted_tex_1,eax
add ted_tex_1,sizeof.symbol
add eax,ecx
mov ted_tex_end,eax
mov ecx,sizeof.symbol
imul ecx,ted_max_chars
call mem_Alloc ;¢ë¤¥«ï¥¬ ¯ ¬ïâì
mov ted_tex,eax
mov ted_tex_1,eax
add ted_tex_1,sizeof.symbol
add eax,ecx
mov ted_tex_end,eax
stdcall ted_clear, edi,1
stdcall ted_clear, edi,1
;-------------------------------------------------
mov ecx,1024 ;1024 - ¤«ï ¬ áᨢ  ted_arr_key_pos
add ecx,ted_syntax_file_size
call mem_Alloc
mov ted_arr_key_pos,eax
add eax,1024
mov ted_syntax_file,eax
mov ecx,1024 ;1024 - ¤«ï ¬ áᨢ  ted_arr_key_pos
add ecx,ted_syntax_file_size
call mem_Alloc
mov ted_arr_key_pos,eax
add eax,1024
mov ted_syntax_file,eax
pop edi ecx eax
ret
stdcall ted_init_scroll_bars,edi,3
pop edi ecx eax
ret
endp
MIN_W_SCRL_ARE equ 3 ;¬¨­¨¬ «ì­ ï ®â®¡à ¦ ¥¬ ï ®¡« áâì ¤«ï ¢¥àâ. áªà®««¨­£ 
MIN_H_SCRL_ARE equ 3 ;¬¨­¨¬ «ì­ ï ®â®¡à ¦ ¥¬ ï ®¡« áâì ¤«ï £®à¨§. áªà®««¨­£ 
;input:
; opt = 1 - ¬¥­ïâì 梥â áªà®««¨­£®¢, 2 - ¬¥­ïâì ¢­¥è­¨¥ à §¬¥àë
align 4
proc ted_init_scroll_bars, edit:dword, opt:dword
pushad
mov esi,ted_scr_w
mov ebx,ted_scr_h
bt dword[opt],0
jae @f
mov ecx,ted_color_wnd_work
mov dword[esi+sb_offs_bckg_col],ecx
mov dword[ebx+sb_offs_bckg_col],ecx
mov ecx,ted_color_wnd_capt
mov dword[esi+sb_offs_frnt_col],ecx
mov dword[ebx+sb_offs_frnt_col],ecx
mov ecx,ted_color_wnd_bord
mov dword[esi+sb_offs_line_col],ecx
mov dword[ebx+sb_offs_line_col],ecx
@@:
bt dword[opt],1
jae .no_size
mov edx,ted_wnd_l
add edx,ted_rec_l
mov word[ebx+sb_offs_start_x],dx ;¢ëáâ ¢«ï¥¬ «¥¢ë© ®âáâ㯠£®à¨§. áªà®««¨­£ 
mov eax,ted_wnd_h ;calculate lines in page
mov edx,ted_wnd_t
add edx,eax
mov word[ebx+sb_offs_start_y],dx ;¢ëáâ ¢«ï¥¬ ¢¥àå­¨© ®âáâ㯠£®à¨§. áªà®««¨­£ 
sub eax,ted_rec_t
xor edx,edx
mov ecx,ted_rec_h
div ecx
cmp eax,MIN_W_SCRL_ARE
jg @f
mov eax,MIN_W_SCRL_ARE
@@:
mov dword[esi+sb_offs_cur_area],eax
mov eax,ted_wnd_w ;calculate cols in page
mov edx,ted_wnd_l ;«¥¢ë© ®âáâ㯠®ª­ 
add edx,eax ;¤®¡ ¢«ï¥¬ è¨à¨­ã ®ª­ 
mov word[esi+sb_offs_start_x],dx ;¢ëáâ ¢«ï¥¬ «¥¢ë© ®âáâ㯠¢¥àâ. áªà®««¨­£ 
mov edx,ted_wnd_t
mov word[esi+sb_offs_start_y],dx ;¢ëáâ ¢«ï¥¬ ¢¥àå­¨© ®âáâ㯠¢¥àâ. áªà®««¨­£ 
mov edx,ted_wnd_h
mov word[esi+sb_offs_size_y],dx ;¢ëáâ ¢«ï¥¬ ¢ëá®âã ¢¥àâ. áªà®««¨­£ 
sub eax,ted_rec_l
mov word[ebx+sb_offs_size_x],ax ;¢ëáâ ¢«ï¥¬ è¨à¨­ã £®à¨§. áªà®««¨­£ 
xor edx,edx
mov ecx,ted_rec_w
div ecx
cmp eax,MIN_H_SCRL_ARE
jg @f
mov eax,MIN_H_SCRL_ARE
@@:
dec eax
mov dword[ebx+sb_offs_cur_area],eax ;ãáâ ­ ¢«¨¢ ¥¬ ç¨á«® ᨬ¢®«®¢, ª®â®àë¥ ¢« §ïâ ¢ íªà ­ ¤«ï £®à¨§. áªà®««¨­£ 
.no_size:
popad
ret
endp
align 4
@@ -193,6 +260,9 @@ align 4
proc ted_key, edit:dword, table:dword, control:dword
pushad
mov edi,dword[edit]
mov esi,ted_el_focus
cmp dword[esi],edi
jne .end_key_fun ;í«¥¬¥­â ­¥ ¢ 䮪ãᥠ¢ë室¨¬ ¨§ ä㭪樨
mov esi,dword[control]
cmp ah,KEY_F1 ;[F1]
@@ -214,6 +284,12 @@ proc ted_key, edit:dword, table:dword, control:dword
je @f
call ted_fun_on_key_ctrl_o
@@:
cmp ah,31 ;Ctrl+S
jne @f
cmp ted_fun_on_key_ctrl_s,0
je @f
call ted_fun_on_key_ctrl_s
@@:
cmp ah,33 ;Ctrl+F
jne @f
cmp ted_panel_id,TED_PANEL_FIND
@@ -247,41 +323,41 @@ proc ted_key, edit:dword, table:dword, control:dword
jmp .end_key_fun
.key_Ctrl:
test esi,KM_SHIFT ;Shift+...
jz .key_Shift
cmp ah,72 ;Shift+Up
jne @f
call ted_sel_key_up
@@:
cmp ah,75 ;Shift+Left
jne @f
call ted_sel_key_left
@@:
cmp ah,77 ;Shift+Right
jne @f
call ted_sel_key_right
@@:
cmp ah,80 ;Shift+Down
jne @f
call ted_sel_key_down
@@:
;mov ted_drag_k,1 ;­ ç¨­ ¥¬ ¢ë¤¥«¥­¨¥ ®â ª« ¢¨ âãàë
jmp .key_MoveCur
.key_Shift:
test esi,KM_SHIFT ;Shift+...
jz .key_Shift
cmp ah,72 ;Shift+Up
jne @f
call ted_sel_key_up
@@:
cmp ah,75 ;Shift+Left
jne @f
call ted_sel_key_left
@@:
cmp ah,77 ;Shift+Right
jne @f
call ted_sel_key_right
@@:
cmp ah,80 ;Shift+Down
jne @f
call ted_sel_key_down
@@:
;mov ted_drag_k,1 ;­ ç¨­ ¥¬ ¢ë¤¥«¥­¨¥ ®â ª« ¢¨ âãàë
jmp .key_MoveCur
.key_Shift:
;-------------------------------------------------
cmp ah,72 ;178 ;Up
jne @f
call ted_draw_cursor_sumb
call ted_cur_move_up
cmp dl,8
jne .no_red_0
call ted_scroll_set_redraw
stdcall ted_draw,edi
jmp @f
.no_red_0:
call ted_draw_main_cursor
mov ted_drag_k,0 ;§ ª ­ç¨¢ ¥¬ ¢ë¤¥«¥­¨¥ ®â ª« ¢¨ âãàë
@@:
cmp ah,72 ;178 ;Up
jne @f
call ted_draw_cursor_sumb
call ted_cur_move_up
cmp dl,8
jne .no_red_0
call ted_scroll_set_redraw
stdcall ted_draw,edi
jmp @f
.no_red_0:
call ted_draw_main_cursor
mov ted_drag_k,0 ;§ ª ­ç¨¢ ¥¬ ¢ë¤¥«¥­¨¥ ®â ª« ¢¨ âãàë
@@:
cmp ah,80 ;177 ;Down
jne @f
call ted_draw_cursor_sumb
@@ -365,8 +441,8 @@ proc ted_key, edit:dword, table:dword, control:dword
mov ted_drag_k,0 ;§ ª ­ç¨¢ ¥¬ ¢ë¤¥«¥­¨¥ ®â ª« ¢¨ âãàë
@@:
;-------------------------------------------------
; cmp esi,0
; jne .end_key_fun
; cmp esi,0
; jne .end_key_fun
.key_MoveCur:
cmp ah,69 ;[Pause Break]
@@ -607,11 +683,11 @@ proc ted_clear, edit:dword, cl_al_mem:dword
mov ecx,ted_scr_w
mov dword[ecx+sb_offs_position],0
mov dword[ecx+sb_offs_max_area],100
mov dword[ecx+sb_offs_max_area],100 ;ç¨á«® áâப ¢¨¤¨¬ëå ¢ ­®¢®¬ ¤®ªã¬¥­â¥
mov dword[ecx+sb_offs_redraw],1
mov ecx,ted_scr_h
mov dword[ecx+sb_offs_position],0
mov dword[ecx+sb_offs_max_area],100
mov dword[ecx+sb_offs_max_area],100 ;ç¨á«® ᨬ¢®«®¢ ¢¨¤¨¬ëå ¢ ­®¢®¬ ¤®ªã¬¥­â¥
mov ted_sel_x0,0
mov ted_sel_y0,0
@@ -724,6 +800,7 @@ proc ted_init_syntax_file, edit:dword, file:dword, f_name:dword
add ecx,ted_key_words_data
mov ted_help_text_f1,ecx
stdcall ted_init_scroll_bars,edi,1 ;¬¥­ï¥¬ æ¢¥â  áªà®««¨­£®¢
.no_colors:
popad
ret
@@ -2805,14 +2882,19 @@ ted_get_symb_color:
; ”ã­ªæ¨ï ¯à¥®¡à §ã¥â ­¥¢¨¤¨¬ë¥ ᨬ¢®«ë ¢ ¯¥ç â ¥¬ë¥ ­  íªà ­¥
align 4
ted_convert_invis_symb:
cmp ted_mode_invis,1
jne @f
cmp byte[edx],13
jne @f
mov edx,edi
add edx,ted_offs_symbol_new_line
@@:
ret
cmp ted_mode_invis,1
jne .end_f
cmp byte[edx],9
jne @f
lea edx,[ted_symbol_tab]
@@:
cmp byte[edx],13
jne @f
mov edx,edi
add edx,ted_offs_symbol_new_line
@@:
.end_f:
ret
;input:
; edi = pointer to tedit struct
@@ -2828,93 +2910,93 @@ ted_scroll_set_redraw:
align 4
proc ted_draw, edit:dword
locals
line_num dd ?
endl
pushad
mov edi,dword[edit]
locals
line_num dd ?
endl
pushad
mov edi,dword[edit]
mov eax,4 ;draw text
mov ecx,ted_text_colors
mov ecx,dword[ecx]
mov eax,4 ;draw text
mov ecx,ted_text_colors
mov ecx,dword[ecx]
mov ebx,ted_wnd_l
add ebx,ted_rec_l
shl ebx,16
add ebx,ted_wnd_t
add ebx,ted_rec_t
add ebx,0x10001 ;¤®¡ ¢«ï¥¬ ®âáâã¯ë ¤«ï ¢ëà ¢­¨¢ ­¨ï ¡ãª¢ë ¯® 業âàã
mov ebx,ted_wnd_l
add ebx,ted_rec_l
shl ebx,16
add ebx,ted_wnd_t
add ebx,ted_rec_t
add ebx,0x10001 ;¤®¡ ¢«ï¥¬ ®âáâã¯ë ¤«ï ¢ëà ¢­¨¢ ­¨ï ¡ãª¢ë ¯® 業âàã
call ted_sel_normalize ;need before draw select
mov esi,ted_scr_w
mov esi,dword[esi+sb_offs_position]
mov dword[line_num],esi
call ted_sel_normalize ;need before draw select
mov esi,ted_scr_w
mov esi,dword[esi+sb_offs_position]
mov dword[line_num],esi
stdcall ted_clear_line_before_draw, edi,ebx,1,esi
call ted_get_first_visible_pos
cmp edx,0
je .no_draw_text
mov esi,1 ;¤«¨­­  ¢ë¢®¤¨¬®£® ⥪áâ  ¯® 1-¬ã ᨬ¢®«ã
@@:
call ted_iterat_next
cmp edx,ted_tex_1
jle .no_draw_text
stdcall ted_clear_line_before_draw, edi,ebx,1,esi
call ted_get_first_visible_pos
cmp edx,0
je .no_draw_text
mov esi,1 ;¤«¨­­  ¢ë¢®¤¨¬®£® ⥪áâ  ¯® 1-¬ã ᨬ¢®«ã
@@:
call ted_iterat_next
cmp edx,ted_tex_1
jle .no_draw_text
; *** 梥⮢ ï à §¬¥âª 
cmp ted_mode_color,0
je .no_col_change
cmp byte[edx+1],0
je .no_col_change
call ted_get_symb_color
.no_col_change:
; *** 梥⮢ ï à §¬¥âª 
cmp ted_mode_color,0
je .no_col_change
cmp byte[edx+1],0
je .no_col_change
call ted_get_symb_color
.no_col_change:
cmp byte [edx],13
jne .no_13
cmp ted_mode_invis,1
jne .no_invis
push edx
mov edx,edi
add edx,ted_offs_symbol_new_line
int 0x40
pop edx
.no_invis:
add ebx,ted_rec_h
;optimized output \/
mov eax,ted_wnd_h
add eax,ted_wnd_t
cmp bx,ax
jg .no_draw_text
mov eax,4
;optimized output /\
and ebx,0xffff
ror ebx,16
add ebx,ted_wnd_l
add ebx,ted_rec_l
inc ebx
ror ebx,16
inc dword[line_num] ;increment line number
stdcall ted_clear_line_before_draw,edi,ebx,1,dword[line_num]
call ted_opt_draw_line_left
jmp @b
.no_13:
cmp byte [edx],13
jne .no_13
cmp ted_mode_invis,1
jne .no_invis
push edx
mov edx,edi
add edx,ted_offs_symbol_new_line
int 0x40
pop edx
.no_invis:
add ebx,ted_rec_h
;optimized output \/
mov eax,ted_wnd_h
add eax,ted_wnd_t
cmp bx,ax
jg .no_draw_text
mov eax,4
;optimized output /\
and ebx,0xffff
ror ebx,16
add ebx,ted_wnd_l
add ebx,ted_rec_l
inc ebx
ror ebx,16
inc dword[line_num] ;increment line number
stdcall ted_clear_line_before_draw,edi,ebx,1,dword[line_num]
call ted_opt_draw_line_left
jmp @b
.no_13:
int 0x40
ror ebx,16
add ebx,ted_rec_w
mov esi,ted_wnd_l
add esi,ted_wnd_w
cmp bx,si
jl .no_opt
call ted_opt_draw_line_right
.no_opt:
mov si,1
ror ebx,16
jmp @b
.no_draw_text:
int 0x40
ror ebx,16
add ebx,ted_rec_w
mov esi,ted_wnd_l
add esi,ted_wnd_w
cmp bx,si
jl .no_opt
call ted_opt_draw_line_right
.no_opt:
mov si,1
ror ebx,16
jmp @b
.no_draw_text:
stdcall ted_clear_line_before_draw,edi,ebx,0,dword[line_num]
call ted_draw_line_numbers
call ted_draw_main_cursor
stdcall ted_clear_line_before_draw,edi,ebx,0,dword[line_num]
call ted_draw_line_numbers
call ted_draw_main_cursor
;---------------------------------------------
; set all_redraw flag for draw all ScrollBar
@@ -3086,7 +3168,8 @@ pop edi
je @f
mov ecx,ted_tim_undo
add edx,0x500000
int 0x40
mov edi,ted_color_wnd_work ;¯®à⨬ ॣ¨áâà edi, ­® ¢ ª®­æ¥ ä㭪樨 í⮠㦥 ­¥ ¢ ¦­®
int 0x40 ;¢ë¢®¤ ç¨á«  ®â¬¥­¥­­ëå ¤¥©á⢨©
@@:
popad
@@ -3101,9 +3184,12 @@ proc ted_draw_buffer
mov eax,ted_buffer
cmp byte[eax],0 ;ᬮâਬ 1-© ᨬ¢®« ¨§ ¡ãä¥à 
je @f
mov ebx,ted_wnd_l
add ebx,ted_rec_l
mov ebx,ted_rec_l
add bx,300
cmp ebx,ted_wnd_w ;áà ¢­¨¢ ¥¬ ª®®à¤¨­ âã ¤«ï ¢ë¢®¤ ⥪áâ 
jge @f ;¯®¤¯¨áì ­¥ ¢« §¨â ¢ ®ª­®
add ebx,ted_wnd_l
shl ebx,16
add ebx,ted_wnd_t
add ebx,3
@@ -3141,59 +3227,60 @@ endp
; edi = pointer to tedit struct
align 4
proc ted_draw_help_f1
pushad
pushad
cmp ted_rec_t,13 ;¬¨­¨¬ «ì­ ï ¢ëá®â  ¤«ï à¨á®¢ ­¨ï á¯à ¢ª¨
jle @f
mov eax,13 ;clear place before draw help
mov ebx,ted_wnd_l
add ebx,ted_rec_l
shl ebx,16
add ebx,ted_wnd_w
sub ebx,ted_rec_l
mov ecx,ted_wnd_t
add ecx,13
shl ecx,16
add ecx,ted_rec_h
mov edx,ted_color_wnd_capt
int 0x40
mov eax,13 ;clear place before draw help
mov ebx,ted_wnd_l
add ebx,ted_rec_l
shl ebx,16
add ebx,ted_wnd_w
sub ebx,ted_rec_l
mov ecx,ted_wnd_t
add ecx,13
shl ecx,16
add ecx,ted_rec_h
mov edx,ted_color_wnd_capt
int 0x40
cmp ted_help_id,-1
je @f
mov eax,ted_help_id
ColToIndexOffset eax,edx
cmp ted_help_id,-1
je @f
mov eax,ted_help_id
ColToIndexOffset eax,edx
;SetCoordinates
mov ebx,ted_wnd_l
add ebx,ted_rec_l
shl ebx,16
add ebx,ted_wnd_t
add ebx,13 ;=3+10
;SetCoordinates
mov ebx,ted_wnd_l
add ebx,ted_rec_l
shl ebx,16
add ebx,ted_wnd_t
add ebx,13 ;=3+10
;SetTextColor
xor eax,eax
mov al,byte[edx+MAX_COLOR_WORD_LEN+6]
shl ax,2
mov ecx,ted_text_colors
add ecx,eax
mov ecx,dword[ecx]
or ecx,0xc0000000 ;SetTextStyles
mov esi,edi
mov edi,ted_color_wnd_work
mov eax,4
int 0x40
mov edi,esi
;SetTextColor
xor eax,eax
mov al,byte[edx+MAX_COLOR_WORD_LEN+6]
shl ax,2
mov ecx,ted_text_colors
add ecx,eax
mov ecx,dword[ecx]
or ecx,0xc0000000 ;SetTextStyles
mov esi,edi
mov edi,ted_color_wnd_work
mov eax,4
int 0x40
mov edi,esi
;*** draw help string ***
mov ecx,ted_color_wnd_bord
or ecx,0x80000000
mov edx,dword[edx+MAX_COLOR_WORD_LEN]
cmp edx,0
je @f
add edx,ted_help_text_f1
add ebx,0x500000
int 0x40
@@:
popad
ret
;*** draw help string ***
mov ecx,ted_color_wnd_bord
or ecx,0x80000000
mov edx,dword[edx+MAX_COLOR_WORD_LEN]
cmp edx,0
je @f
add edx,ted_help_text_f1
add ebx,0x500000
int 0x40
@@:
popad
ret
endp
;input:
@@ -3698,7 +3785,11 @@ proc ted_mouse, edit:dword
call ted_wnd_main_click
jmp .no_in_wnd
@@:
call ted_wnd_main_mouse_scroll
mov edx,ted_el_focus
cmp dword[edx],edi
jne @f
call ted_wnd_main_mouse_scroll ;ᬮâਬ ­  ¯à®ªàãâªã ª®«¥á  ¬ëè¨
@@:
cmp ted_drag_m,0
je .no_in_wnd
mov ted_drag_m,0
@@ -3718,7 +3809,9 @@ endp
; äã­ªæ¨ï ¢ë§ë¢¥âáï ¯à¨ ­ ¦ â¨¨ ª­®¯ª®© ¬ëè¨ ¨ ¯®¯ ¤¥­¨¨ ªãàá®à®¬ ¢ ®ª­® । ªâ®à 
align 4
ted_wnd_main_click:
push ebx ecx edx
push ebx ecx edx
mov ebx,ted_el_focus
mov dword[ebx],edi ;áâ ¢¨¬ 䮪ãá
push eax
shr eax,16
@@ -3757,23 +3850,23 @@ ted_wnd_main_click:
mov ted_cur_y,eax
pop eax
cmp ted_drag_m,0
je @f
call ted_sel_move
jmp .sel_move
@@:
mov ted_drag_m,1
call ted_sel_start
.sel_move:
pop edx ecx ebx
ret
cmp ted_drag_m,0
je @f
call ted_sel_move
jmp .sel_move
@@:
mov ted_drag_m,1
call ted_sel_start
.sel_move:
pop edx ecx ebx
ret
;input:
; edi = pointer to tedit struct
align 4
ted_wnd_main_mouse_scroll:
push eax ebx ecx
mcall 37,7
mcall 37,7 ;¯à®ªàã⪠ ª®«¥á  ¬ëè¨
cmp ax,0
je .no_scroll
mov ecx,ted_scr_w
@@ -3782,16 +3875,16 @@ ted_wnd_main_mouse_scroll:
btr ax,15
jae @f
or eax,0xffff8000
@@:
add dword[ecx+sb_offs_position],eax
@@:
add dword[ecx+sb_offs_position],eax
mov eax,[ecx+sb_offs_position]
cmp eax,[ecx+sb_offs_max_area]
jb @f
mov dword[ecx+sb_offs_position],ebx ;if scroll position out of range
jmp .no_scroll
@@:
stdcall ted_draw,edi
mov eax,[ecx+sb_offs_position]
cmp eax,[ecx+sb_offs_max_area]
jb @f
mov dword[ecx+sb_offs_position],ebx ;if scroll position out of range
jmp .no_scroll
@@:
stdcall ted_draw,edi
.no_scroll:
pop ecx ebx eax
ret