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a bit improve ctrl+C\ctrl+V

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git-svn-id: svn://kolibrios.org@6965 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
0CodErr 2017-09-08 08:27:34 +00:00
parent 9b6d3da1cf
commit 85f4e052f7
1 changed files with 112 additions and 21 deletions
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133
programs/develop/libraries/box_lib/trunk/editbox.asm
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@ -358,7 +358,65 @@ edit_box_key.end:
call edit_box.draw_shift
call edit_box_key.sh_home_end
jmp edit_box.draw_cursor_text
;----------------------------------------
StrInsert:
; SizeOf(TmpBuf) >= StrLen(Src) + StrLen(Dst) + 1
Dst equ [esp + 20] ; - destination buffer
Src equ [esp + 16] ; - source to insert from
Pos equ [esp + 12] ; - position for insert
DstMax equ [esp + 8] ; - maximum Dst length(exclude terminating null)
TmpBuf equ [esp + 4] ; - temporary buffer
xor edx, edx
mov esi, Dst
mov edi, TmpBuf
mov ecx, Pos
add edx, ecx
rep movsb
mov edi, Src
mov ecx, -1
xor eax, eax
repne scasb
mov eax, -2
sub eax, ecx
add edx, eax
mov esi, Src
mov edi, TmpBuf
add edi, Pos
mov ecx, eax
rep movsb
mov ebx, edi
mov edi, Dst
add edi, Pos
mov ecx, -1
xor eax, eax
repne scasb
mov eax, -2
sub eax, ecx
inc eax
add edx, eax
mov edi, ebx
mov esi, Pos
add esi, Dst
mov ecx, eax
rep movsb
mov esi, TmpBuf
mov edi, Dst
; ecx = MIN(edx, DstSize)
cmp edx, DstMax
sbb ecx, ecx
and edx, ecx
not ecx
and ecx, DstMax
add ecx, edx
mov eax, ecx ; return total length
rep movsb
ret 20
restore Dst
restore Src
restore Pos
restore DstSize
restore TmpBuf
;----------------------------------------
edit_box_key.ctrl_c:
; add memory area
mov ecx,ed_size
@ -369,12 +427,24 @@ edit_box_key.ctrl_c:
mov [eax+4],ecx ; type 'text'
inc ecx
mov [eax+8],ecx ; cp866 text encoding
mov ecx,ed_size
mov ecx,ed_pos
movzx ebx,word ed_shift_pos
sub ecx,ebx
.abs: ; make ecx = abs(ecx)
neg ecx
jl .abs
add ecx,3*4
mov [eax],ecx
sub ecx,3*4
sub ecx,3*4
mov edx,ed_pos
movzx ebx,word ed_shift_pos
cmp edx,ebx
jle @f
mov edx,ebx
@@:
; copy data
mov esi,ed_text
add esi,edx
push edi
mov edi,eax
add edi,3*4
@ -424,29 +494,50 @@ edit_box_key.ctrl_v:
jnz .no_valid_text
mov ecx,[eax]
sub ecx,3*4
cmp ecx,ed_max
; in ecx size of string to insert
add ecx,ed_size
mov edx,ed_max
sub edx,2 ; 2 reserved for edit_box
cmp ecx,edx
jb @f
mov ecx,ed_max
mov ecx,edx
@@:
mov esi,eax
add esi,3*4
mov ed_size,ecx
mov ed_pos,ecx
push eax edi
mov edi,ed_text
cld
@@:
lodsb
cmp al,0x0d ; EOS (end of string)
je .replace
cmp al,0x0a ; EOS (end of string)
jne .continue
.replace:
mov al,0x20 ; space
.continue:
stosb
dec ecx
jnz @b
;---------------------------------------;
mov ed_size,ecx
inc ecx
mcall SF_SYS_MISC,SSF_MEM_ALLOC
push eax ; save mem pointer
mov edx, ed_max
sub edx, 3 ; +1 for StrInsert, +2 as reserved for edit_box
push dword ed_text ; Dst
push esi ; Src
push dword ed_pos ; Pos in Dst
push edx ; DstMax
push eax ; TmpBuf
call StrInsert
pop eax ; restore mem pointer
mcall SF_SYS_MISC,SSF_MEM_FREE
;---------------------------------------;
; mov edi,ed_text
; cld
;@@:
; lodsb
; cmp al,0x0d ; EOS (end of string)
; je .replace
; cmp al,0x0a ; EOS (end of string)
; jne .continue
;.replace:
; mov al,0x20 ; space
;.continue:
; stosb
; dec ecx
; jnz @b
pop edi eax
.no_valid_text:
; remove unnecessary memory area