forked from KolibriOS/kolibrios
185 lines
3.3 KiB
NASM
185 lines
3.3 KiB
NASM
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put_to_clipboard:
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mov edi,[clipboard_buf]
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test edi,edi
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jz .end
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add edi,12
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mov esi,[copy_buf]
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mov edx,[copy_count]
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mov ax,0x0a0d ; End of String
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cld
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@@: ; convert format from Tinypad to clipboard
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mov ecx,[esi]
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add esi,sizeof.EDITOR_LINE_DATA
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rep movsb
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stosw
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dec edx
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jnz @b
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sub edi,2 ; delete last EoS
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xor eax,eax
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stosb
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; build the clipboard slot header
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mov esi,[clipboard_buf]
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sub edi,esi
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mov [esi],edi ; clipboard area size
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xor eax,eax
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mov [esi+4],eax ; type 'text'
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inc eax
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mov [esi+8],eax ; cp866 text encoding
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; put slot to the kernel clipboard
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mov edx,[clipboard_buf]
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mov ecx,[edx]
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mcall 54,2
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stdcall mem.Free,[clipboard_buf]
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stdcall mem.Free,[copy_buf]
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xor eax,eax
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mov [copy_buf],eax
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mov [copy_size],eax
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mov [copy_count],eax
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mov [clipboard_buf],eax
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.end:
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ret
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;---------------------------------------------------------------
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get_from_clipboard:
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mov [copy_size],0
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pushad
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mcall 54,0
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test eax,eax
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jz .exit ; no slots of clipboard
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inc eax
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jz .exit ; main list area not found
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sub eax,2
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mov ecx,eax
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mcall 54,1
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inc eax
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jz .exit ; main list area not found
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sub eax,2
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jz .exit ; error
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inc eax
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mov [clipboard_buf],eax
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; check contents of container
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mov ebx,[eax+4]
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test ebx,ebx
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jnz .freeMemory ; not text
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mov ebx,[eax+8]
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dec ebx
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jnz .freeMemory ; not cp866
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mov edi,[clipboard_buf]
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mov al, 10
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mov ecx,[edi]
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add edi,12
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sub ecx,12
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jbe .freeMemory
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cmp byte[edi],0
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jz .freeMemory
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@@:
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dec ecx
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cmp byte[edi+ecx],0
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jz @b
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inc ecx
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push ecx
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cld
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@@: ; count strings
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repnz scasb
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inc ebx
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test ecx,ecx
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jnz @b
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dec edi
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cmp byte[edi],10
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jnz @f
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inc ebx
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@@:
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mov [copy_count],ebx
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lea eax,[ebx*4+ebx+2]
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add eax,[esp]
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stdcall mem.Alloc,eax
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mov [copy_buf],eax
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mov esi,eax
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mov edi,[clipboard_buf]
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add edi,12
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pop ecx
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mov ebx,ecx
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mov al, 10
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.stringSize: ; convert format from clipboard to Tinypad
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repnz scasb
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sub ebx,ecx
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mov edx,edi
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sub edi,ebx
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dec ebx
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test ecx,ecx
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jnz .stringEnd
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.lastString:
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cmp byte[edi+ebx],10
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jz .stringEnd
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cmp byte[edi+ebx],0
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jnz @f
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dec ebx
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jmp .lastString
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.stringEnd:
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dec ebx
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cmp byte[edi+ebx],13
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jz .copyString
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@@:
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inc ebx
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.copyString:
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mov [esi],ebx
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add esi,sizeof.EDITOR_LINE_DATA
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xchg ebx,ecx
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xchg esi,edi
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rep movsb
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mov ecx,ebx
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jcxz .done
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mov esi,edi
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mov edi,edx
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jmp .stringSize
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.done:
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cmp esi,edx
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jz @f
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inc ecx
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mov [edi],ecx
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add edi,sizeof.EDITOR_LINE_DATA
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mov byte[edi],' '
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inc edi
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@@:
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sub edi,[copy_buf]
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mov [copy_size],edi
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.freeMemory:
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stdcall mem.Free,[clipboard_buf]
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mov [clipboard_buf],0
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.exit:
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popad
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ret
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;---------------------------------------------------------------
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check_clipboard_for_popup:
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pushad
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mov [popup_valid_text],0
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mcall 54,0
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test eax,eax
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jz .exit ; no slots of clipboard
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inc eax
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jz .exit ; main list area not found
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sub eax,2
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mov ecx,eax
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mcall 54,1
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inc eax
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jz .exit ; main list area not found
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sub eax,2
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jz .exit ; error
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inc eax
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mov [clipboard_buf],eax
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; check contents of container
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mov ebx,[eax+4]
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test ebx,ebx
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jnz .freeMemory ; not text
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mov ebx,[eax+8]
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dec ebx
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jnz .freeMemory ; not cp866
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mov [popup_valid_text],1
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.freeMemory:
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stdcall mem.Free,[clipboard_buf]
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mov [clipboard_buf],0
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.exit:
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popad
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ret
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