;-----------------------------------------------------------------------------
put_to_clipboard:
; we have allocated memory?
mov edi,[clipboard_buf]
test edi,edi
jz .end
; convert from Tinypad format to the kernel clipboard format
add edi,3*4
mov esi,[copy_buf]
mov ecx,[copy_count]
cld
;--------------------------------------
@@:
push ecx
lodsd
mov ecx,eax
lodsw
rep movsb
mov ax,0x0a0d
stosw
; mov ax,0x0d
; stosb
pop ecx
dec ecx
jnz @b
xor eax,eax
stosb
; building the clipboard slot header
mov esi,[clipboard_buf]
sub edi,esi
mov [esi],edi ; clipboard area size
xor eax,eax
mov [esi+4],eax ; ; type 'text'
inc eax
mov [esi+8],eax ; cp866 text encoding
; put slot to the kernel clipboard
mov edx,[clipboard_buf]
mov ecx,[edx]
mcall 54,2
; remove unnecessary memory area
xor eax,eax
stdcall mem.ReAlloc,[clipboard_buf],eax
mov [clipboard_buf],eax
xor eax,eax
mov [copy_size],eax
mov [copy_count],eax
stdcall mem.ReAlloc,[copy_buf],eax
mov [copy_buf],eax
;--------------------------------------
.end:
ret
;-----------------------------------------------------------------------------
get_from_clipboard:
pushad
mcall 54,0
; no slots of clipboard ?
test eax,eax
jz .exit
; main list area not found ?
inc eax
test eax,eax
jz .exit
sub eax,2
mov ecx,eax
mcall 54,1
; main list area not found ?
inc eax
test eax,eax
jz .exit
; error ?
sub eax,2
test eax,eax
jz .exit
inc eax
mov [clipboard_buf],eax
; check contents of container
mov ebx,[eax+4]
; check for text
test ebx,ebx
jnz .no_valid_text
mov ebx,[eax+8]
; check for cp866
cmp bl,1
jz .yes_valid_text
.no_valid_text:
xor eax,eax
mov [copy_size],eax
jmp .remove_area
;--------------------------------------
.yes_valid_text:
call know_number_line_breaks
mov [copy_count],ebx
mov eax,[clipboard_buf]
sub esi,eax
mov [eax],esi
shl ebx,1
lea ebx,[ebx*3]
mov eax,[clipboard_buf]
mov eax,[eax]
sub eax,4*3
add eax,ebx
mov [copy_size],eax
stdcall mem.ReAlloc,[copy_buf],eax
mov [copy_buf],eax
call convert_clipboard_buf_to_copy_buf
; remove unnecessary memory area
.remove_area:
xor eax,eax
stdcall mem.ReAlloc,[clipboard_buf],eax
mov [clipboard_buf],eax
;--------------------------------------
.exit:
popad
ret
;-----------------------------------------------------------------------------
convert_clipboard_buf_to_copy_buf:
mov edi,[copy_buf]
mov ebx,edi
add edi,6
mov eax,[clipboard_buf]
mov esi,eax
add esi,4*3
mov ecx,[eax]
sub ecx,4*3
xor edx,edx
cld
;--------------------------------------
.loop:
lodsb
test al,al
jz .inc_counter ;.end_of_data
cmp al,0x0d
je .check_0x0a
cmp al,0x0a
je .inc_counter
dec ecx
jz .end_of_data
stosb
jmp .loop
;--------------------------------------
.check_0x0a:
dec ecx
jz .end_of_data
cmp [esi],byte 0x0a
jne @f
lodsb
;--------------------------------------
.inc_counter:
dec ecx
jz .end_of_data
;--------------------------------------
@@:
mov eax,edi
sub eax,ebx
sub eax,6
.@@111:
mov [ebx],eax
test edx,edx
jz @f
test eax,eax
jz @f
mov [ebx+4],word EDITOR_LINE_FLAG_MOFIFIED
@@:
mov ebx,edi
add edi,6
inc edx
jmp .loop
;--------------------------------------
.end_of_data:
sub edi,[copy_buf]
sub edi,6
mov [copy_size],edi
ret
;-----------------------------------------------------------------------------
know_number_line_breaks:
; to know the number of line breaks
mov eax,[clipboard_buf]
mov esi,eax
add esi,4*3
mov ecx,[eax]
sub ecx,4*3
xor ebx,ebx
cld
;--------------------------------------
@@:
lodsb
test al,al
jz .end_of_data_1
cmp al,0x0d
je .check_0x0a
cmp al,0x0a
je .inc_counter
dec ecx
jnz @b
jmp .end_of_data
;--------------------------------------
.check_0x0a:
inc ebx
dec ecx
jz .end_of_data
cmp [esi],byte 0x0a
jne @b
lodsb
dec ecx
jnz @b
jmp .end_of_data
;--------------------------------------
.inc_counter:
inc ebx
dec ecx
jnz @b
;--------------------------------------
.end_of_data_1:
cmp [esi-2],byte 0x0d
je .end_of_data
cmp [esi-2],byte 0x0a
je .end_of_data
inc ebx
inc esi
;--------------------------------------
.end_of_data:
ret
;-----------------------------------------------------------------------------