2007-03-05 21:17:43 +01:00
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LOAD_FROM_FILE equ 0
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LOAD_FROM_MEM equ 1
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LOAD_INDIRECT equ 2
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LOAD_SYSTEM equ 3
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VIDEO_FREE equ 2
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struc BITMAPINFOHEADER {
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.biSize dd ? ; DWORD
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.biWidth dd ? ; LONG
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.biHeight dd ? ; LONG
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.biPlanes dw ? ; WORD
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.biBitCount dw ? ; WORD
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.biCompression dd ? ; DWORD
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.biSizeImage dd ? ; DWORD
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.biXPelsPerMeter dd ? ; LONG
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.biYPelsPerMeter dd ? ; LONG
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.biClrUsed dd ? ; DWORD
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.biClrImportant dd ? ; DWORD
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}
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virtual at 0
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BI BITMAPINFOHEADER
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end virtual
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align 4
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proc vesa_init_cursor stdcall, dst:dword, src:dword
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locals
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rBase dd ?
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pQuad dd ?
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pBits dd ?
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pAnd dd ?
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width dd ?
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height dd ?
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counter dd ?
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endl
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mov esi, [src]
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add esi,[esi+18]
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mov eax,esi
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cmp [esi+BI.biBitCount], 24
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je .img_24
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cmp [esi+BI.biBitCount], 8
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je .img_8
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cmp [esi+BI.biBitCount], 4
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je .img_4
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.img_2:
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add eax, [esi]
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mov [pQuad],eax
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add eax,8
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mov [pBits],eax
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add eax, 128
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mov [pAnd],eax
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mov eax,[esi+4]
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mov [width],eax
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mov ebx,[esi+8]
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shr ebx,1
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mov [height],ebx
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mov edi, [dst]
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add edi, 32*31*4
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mov [rBase],edi
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mov esi,[pQuad]
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.l21:
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mov ebx, [pBits]
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mov ebx, [ebx]
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bswap ebx
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mov eax, [pAnd]
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mov eax, [eax]
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bswap eax
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mov [counter], 32
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@@:
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xor edx, edx
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shl eax,1
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setc dl
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dec edx
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xor ecx, ecx
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shl ebx,1
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setc cl
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mov ecx, [esi+ecx*4]
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and ecx, edx
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and edx, 0xFF000000
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or edx, ecx
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mov [edi], edx
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add edi, 4
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dec [counter]
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jnz @B
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add [pBits], 4
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add [pAnd], 4
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mov edi,[rBase]
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sub edi,128
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mov [rBase],edi
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sub [height],1
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jnz .l21
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ret
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.img_4:
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add eax, [esi]
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mov [pQuad],eax
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add eax,64
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mov [pBits],eax
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add eax, 0x200
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mov [pAnd],eax
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mov eax,[esi+4]
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mov [width],eax
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mov ebx,[esi+8]
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shr ebx,1
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mov [height],ebx
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mov edi, [dst]
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add edi, 32*31*4
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mov [rBase],edi
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mov esi,[pQuad]
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mov ebx, [pBits]
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.l4:
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mov eax, [pAnd]
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mov eax, [eax]
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bswap eax
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mov [counter], 16
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@@:
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xor edx, edx
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shl eax,1
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setc dl
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dec edx
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movzx ecx, byte [ebx]
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and cl, 0xF0
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shr ecx, 2
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mov ecx, [esi+ecx]
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and ecx, edx
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and edx, 0xFF000000
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or edx, ecx
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mov [edi], edx
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xor edx, edx
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shl eax,1
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setc dl
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dec edx
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movzx ecx, byte [ebx]
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and cl, 0x0F
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mov ecx, [esi+ecx*4]
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and ecx, edx
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and edx, 0xFF000000
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or edx, ecx
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mov [edi+4], edx
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inc ebx
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add edi, 8
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dec [counter]
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jnz @B
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add [pAnd], 4
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mov edi,[rBase]
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sub edi,128
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mov [rBase],edi
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sub [height],1
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jnz .l4
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ret
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.img_8:
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add eax, [esi]
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mov [pQuad],eax
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add eax,1024
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mov [pBits],eax
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add eax, 1024
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mov [pAnd],eax
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mov eax,[esi+4]
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mov [width],eax
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mov ebx,[esi+8]
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shr ebx,1
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mov [height],ebx
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mov edi, [dst]
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add edi, 32*31*4
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mov [rBase],edi
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mov esi,[pQuad]
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mov ebx, [pBits]
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.l81:
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mov eax, [pAnd]
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mov eax, [eax]
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bswap eax
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mov [counter], 32
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@@:
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xor edx, edx
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shl eax,1
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setc dl
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dec edx
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movzx ecx, byte [ebx]
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mov ecx, [esi+ecx*4]
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and ecx, edx
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and edx, 0xFF000000
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or edx, ecx
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mov [edi], edx
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inc ebx
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add edi, 4
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dec [counter]
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jnz @B
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add [pAnd], 4
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mov edi,[rBase]
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sub edi,128
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mov [rBase],edi
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sub [height],1
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jnz .l81
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ret
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.img_24:
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add eax, [esi]
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mov [pQuad],eax
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add eax, 0xC00
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mov [pAnd],eax
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mov eax,[esi+BI.biWidth]
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mov [width],eax
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mov ebx,[esi+BI.biHeight]
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shr ebx,1
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mov [height],ebx
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mov edi, [dst]
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add edi, 32*31*4
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mov [rBase],edi
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mov esi,[pAnd]
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mov ebx, [pQuad]
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.row_24:
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mov eax, [esi]
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bswap eax
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mov [counter], 32
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@@:
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xor edx, edx
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shl eax,1
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setc dl
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dec edx
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mov ecx, [ebx]
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and ecx, 0x00FFFFFF
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and ecx, edx
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and edx, 0xFF000000
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or edx, ecx
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mov [edi], edx
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add ebx, 3
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add edi, 4
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dec [counter]
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jnz @B
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add esi, 4
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mov edi,[rBase]
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sub edi,128
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mov [rBase],edi
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sub [height],1
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jnz .row_24
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ret
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endp
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align 4
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proc set_cursor stdcall, hcursor:dword
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mov eax, [hcursor]
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cmp [eax+CURSOR.magic], 'CURS'
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jne .fail
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; cmp [eax+CURSOR.size], CURSOR_SIZE
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; jne .fail
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2007-03-22 13:01:05 +01:00
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mov ebx, [current_slot]
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xchg eax, [ebx+APPDATA.cursor]
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2007-03-05 21:17:43 +01:00
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ret
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.fail:
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mov eax, [def_cursor]
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2007-03-22 13:01:05 +01:00
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mov ebx, [current_slot]
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xchg eax, [ebx+APPDATA.cursor]
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2007-03-05 21:17:43 +01:00
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ret
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endp
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; param
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; eax= pid
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; ebx= src
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; ecx= flags
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vesa_cursor:
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.src equ esp
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.flags equ esp+4
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.hcursor equ esp+8
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sub esp, 4 ;space for .hcursor
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push ecx
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push ebx
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mov ebx, eax
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mov eax, CURSOR_SIZE
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call create_kernel_object
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test eax, eax
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jz .fail
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mov [.hcursor],eax
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xor ebx, ebx
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mov [eax+CURSOR.magic], 'CURS'
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mov [eax+CURSOR.destroy], destroy_cursor
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mov [eax+CURSOR.hot_x], ebx
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mov [eax+CURSOR.hot_y], ebx
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stdcall kernel_alloc, 0x1000
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test eax, eax
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jz .fail
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mov edi, [.hcursor]
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mov [edi+CURSOR.base], eax
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mov esi, [.src]
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mov ebx, [.flags]
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cmp bx, LOAD_INDIRECT
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je .indirect
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movzx ecx, word [esi+10]
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movzx edx, word [esi+12]
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mov [edi+CURSOR.hot_x], ecx
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mov [edi+CURSOR.hot_y], edx
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stdcall vesa_init_cursor, eax, esi
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mov eax, [.hcursor]
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.fail:
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add esp, 12
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ret
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.indirect:
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shr ebx, 16
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movzx ecx, bh
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movzx edx, bl
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mov [eax+CURSOR.hot_x], ecx
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mov [eax+CURSOR.hot_y], edx
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xchg edi, eax
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mov ecx, 1024
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cld
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rep movsd
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add esp, 12
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ret
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align 4
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proc load_cursor stdcall, src:dword, flags:dword
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locals
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handle dd ?
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endl
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xor eax, eax
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mov [handle], eax
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cmp word [flags], LOAD_FROM_FILE
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jne @F
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stdcall load_file, [src]
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test eax, eax
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jz .exit
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mov [src], eax
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@@:
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mov eax, [CURRENT_TASK]
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shl eax, 5
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mov eax, [CURRENT_TASK+eax+4]
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mov ebx, [src]
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mov ecx, [flags]
|
|
|
|
|
call [create_cursor] ;eax, ebx, ecx
|
|
|
|
|
mov [handle], eax
|
|
|
|
|
.fail:
|
|
|
|
|
cmp word [flags], LOAD_FROM_FILE
|
|
|
|
|
jne .exit
|
|
|
|
|
stdcall kernel_free, [src]
|
|
|
|
|
.exit:
|
|
|
|
|
mov eax, [handle]
|
|
|
|
|
ret
|
|
|
|
|
endp
|
|
|
|
|
|
|
|
|
|
align 4
|
|
|
|
|
proc delete_cursor stdcall, hcursor:dword
|
|
|
|
|
locals
|
|
|
|
|
hsrv dd ?
|
|
|
|
|
io_code dd ?
|
|
|
|
|
input dd ?
|
|
|
|
|
inp_size dd ?
|
|
|
|
|
output dd ?
|
|
|
|
|
out_size dd ?
|
|
|
|
|
endl
|
|
|
|
|
|
|
|
|
|
mov esi, [hcursor]
|
|
|
|
|
cmp [esi+CURSOR.magic], 'CURS'
|
|
|
|
|
jne .fail
|
|
|
|
|
; cmp [esi+CURSOR.size], CURSOR_SIZE
|
|
|
|
|
; jne .fail
|
|
|
|
|
|
|
|
|
|
mov ebx, [CURRENT_TASK]
|
|
|
|
|
shl ebx, 5
|
|
|
|
|
mov ebx, [CURRENT_TASK+ebx+4]
|
|
|
|
|
cmp ebx, [esi+CURSOR.pid]
|
|
|
|
|
jne .fail
|
|
|
|
|
|
2007-03-22 13:01:05 +01:00
|
|
|
mov ebx, [current_slot]
|
|
|
|
|
cmp esi, [ebx+APPDATA.cursor]
|
2007-03-05 21:17:43 +01:00
|
|
|
jne @F
|
|
|
|
|
mov eax, [def_cursor]
|
2007-03-22 13:01:05 +01:00
|
|
|
mov [ebx+APPDATA.cursor], eax
|
2007-03-05 21:17:43 +01:00
|
|
|
@@:
|
|
|
|
|
mov eax, [hcursor]
|
|
|
|
|
call [eax+APPOBJ.destroy]
|
|
|
|
|
.fail:
|
|
|
|
|
ret
|
|
|
|
|
endp
|
|
|
|
|
|
|
|
|
|
; param
|
|
|
|
|
; eax= cursor
|
|
|
|
|
|
|
|
|
|
align 4
|
|
|
|
|
destroy_cursor:
|
|
|
|
|
|
|
|
|
|
push eax
|
|
|
|
|
stdcall kernel_free, [eax+CURSOR.base]
|
|
|
|
|
pop eax
|
|
|
|
|
|
|
|
|
|
call destroy_kernel_object
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
align 4
|
|
|
|
|
proc init_cursors
|
|
|
|
|
cmp [SCR_MODE],word 0x13
|
|
|
|
|
jbe .fail
|
|
|
|
|
|
|
|
|
|
movzx eax, byte [ScreenBPP]
|
|
|
|
|
mov ebx, [BytesPerScanLine]
|
|
|
|
|
cmp eax, 32
|
|
|
|
|
jne @F
|
|
|
|
|
sub ebx, 128
|
|
|
|
|
jmp .init
|
|
|
|
|
@@:
|
|
|
|
|
cmp eax, 24
|
|
|
|
|
jne .fail
|
|
|
|
|
sub ebx, 96
|
|
|
|
|
.init:
|
|
|
|
|
mov [cur_def_interl], ebx
|
|
|
|
|
|
|
|
|
|
stdcall load_driver, szHwMouse
|
|
|
|
|
mov [hw_cursor], eax
|
|
|
|
|
test eax, eax
|
|
|
|
|
jz .sw_mouse
|
|
|
|
|
|
|
|
|
|
stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
|
|
|
|
|
mov [def_cursor], eax
|
|
|
|
|
ret
|
|
|
|
|
.sw_mouse:
|
|
|
|
|
mov [create_cursor], vesa_cursor
|
|
|
|
|
|
|
|
|
|
stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
|
|
|
|
|
mov [def_cursor], eax
|
|
|
|
|
|
|
|
|
|
mov ecx, [ScreenWidth]
|
|
|
|
|
mov edx, [ScreenHeight]
|
|
|
|
|
inc ecx
|
|
|
|
|
inc edx
|
|
|
|
|
mov [scr_width], ecx
|
|
|
|
|
mov [scr_height], edx
|
|
|
|
|
|
|
|
|
|
movzx ebx, byte [ScreenBPP]
|
|
|
|
|
cmp ebx, 32
|
|
|
|
|
jne @F
|
|
|
|
|
|
|
|
|
|
mov dword [set_hw_cursor], cursor_32
|
|
|
|
|
mov dword [hw_restore], restore_32
|
|
|
|
|
ret
|
|
|
|
|
@@:
|
|
|
|
|
mov dword [set_hw_cursor], cursor_24
|
|
|
|
|
mov dword [hw_restore], restore_24
|
|
|
|
|
ret
|
|
|
|
|
.fail:
|
|
|
|
|
xor eax, eax
|
|
|
|
|
mov dword [set_hw_cursor], eax
|
|
|
|
|
mov dword [hw_restore], eax
|
|
|
|
|
ret
|
|
|
|
|
endp
|
|
|
|
|
|
|
|
|
|
align 4
|
|
|
|
|
proc restore_24 stdcall, x:dword, y:dword
|
|
|
|
|
locals
|
|
|
|
|
w dd ?
|
|
|
|
|
endl
|
|
|
|
|
|
|
|
|
|
mov edi, [cur_saved_base]
|
|
|
|
|
mov edx, [cur_saved_h]
|
|
|
|
|
mov ebx, [cur_saved_interl]
|
|
|
|
|
|
|
|
|
|
mov esi, cur_saved_data
|
|
|
|
|
@@:
|
|
|
|
|
mov ecx, [cur_saved_w]
|
|
|
|
|
lea ecx, [ecx+ecx*2]
|
|
|
|
|
rep movsb
|
|
|
|
|
add edi, ebx
|
|
|
|
|
dec edx
|
|
|
|
|
jnz @B
|
|
|
|
|
ret
|
|
|
|
|
endp
|
|
|
|
|
|
|
|
|
|
align 4
|
|
|
|
|
proc restore_32 stdcall, x:dword, y:dword
|
|
|
|
|
locals
|
|
|
|
|
w dd ?
|
|
|
|
|
endl
|
|
|
|
|
|
|
|
|
|
mov edi, [cur_saved_base]
|
|
|
|
|
mov edx, [cur_saved_h]
|
|
|
|
|
mov ebx, [cur_saved_interl]
|
|
|
|
|
|
|
|
|
|
mov esi, cur_saved_data
|
|
|
|
|
@@:
|
|
|
|
|
mov ecx, [cur_saved_w]
|
|
|
|
|
rep movsd
|
|
|
|
|
add edi, ebx
|
|
|
|
|
dec edx
|
|
|
|
|
jnz @B
|
|
|
|
|
ret
|
|
|
|
|
endp
|
|
|
|
|
|
|
|
|
|
align 4
|
|
|
|
|
proc cursor_24 stdcall, hcursor:dword, x:dword, y:dword
|
|
|
|
|
locals
|
|
|
|
|
w dd ?
|
|
|
|
|
h dd ?
|
|
|
|
|
st dd ?
|
|
|
|
|
_dx dd ?
|
|
|
|
|
_dy dd ?
|
|
|
|
|
endl
|
|
|
|
|
|
|
|
|
|
mov esi, [hcursor]
|
|
|
|
|
mov ecx, [x]
|
|
|
|
|
mov eax, [y]
|
|
|
|
|
mov ebx, [BytesPerScanLine]
|
|
|
|
|
|
|
|
|
|
xor edx, edx
|
|
|
|
|
sub ecx, [esi+CURSOR.hot_x]
|
|
|
|
|
mov [x], ecx
|
|
|
|
|
sets dl
|
|
|
|
|
dec edx
|
|
|
|
|
and ecx, edx ;clip x to 0<=x
|
|
|
|
|
mov edi, ecx
|
|
|
|
|
sub edi, [x]
|
|
|
|
|
mov [_dx], edi
|
|
|
|
|
|
|
|
|
|
xor edx, edx
|
|
|
|
|
sub eax, [esi+CURSOR.hot_y]
|
|
|
|
|
mov [y], eax
|
|
|
|
|
sets dl
|
|
|
|
|
dec edx
|
|
|
|
|
and eax, edx ;clip y to 0<=y
|
|
|
|
|
mov edi, eax
|
|
|
|
|
sub edi, [y]
|
|
|
|
|
mov [_dy], edi
|
|
|
|
|
|
|
|
|
|
mul ebx
|
|
|
|
|
lea esi, [ecx+ecx*2]
|
|
|
|
|
add esi, [LFBAddress]
|
|
|
|
|
add esi, eax
|
|
|
|
|
mov [cur_saved_base],esi
|
|
|
|
|
|
|
|
|
|
mov edi, [scr_width]
|
|
|
|
|
mov edx, [scr_height]
|
|
|
|
|
mov eax, 32
|
|
|
|
|
|
|
|
|
|
sub edi, ecx
|
|
|
|
|
cmp edi, eax
|
|
|
|
|
jng @F
|
|
|
|
|
mov edi, eax
|
|
|
|
|
@@:
|
|
|
|
|
sub edi, [_dx]
|
|
|
|
|
|
|
|
|
|
sub edx, [y]
|
|
|
|
|
cmp edx, eax
|
|
|
|
|
jng @F
|
|
|
|
|
mov edx, eax
|
|
|
|
|
@@:
|
|
|
|
|
sub edx, [_dy]
|
|
|
|
|
|
|
|
|
|
mov [w], edi
|
|
|
|
|
mov [h], edx
|
|
|
|
|
mov [cur_saved_w], edi
|
|
|
|
|
mov [cur_saved_h], edx
|
|
|
|
|
|
|
|
|
|
sub eax, edi
|
|
|
|
|
shl eax, 2 ;lea eax, [eax+eax*2]
|
|
|
|
|
lea edi, [edi+edi*2]
|
|
|
|
|
sub ebx, edi
|
|
|
|
|
mov [cur_saved_interl], ebx
|
|
|
|
|
|
|
|
|
|
mov edi, cur_saved_data
|
|
|
|
|
@@:
|
|
|
|
|
mov ecx, [w]
|
|
|
|
|
lea ecx, [ecx+ecx*2]
|
|
|
|
|
rep movsb
|
|
|
|
|
add esi, ebx
|
|
|
|
|
dec edx
|
|
|
|
|
jnz @B
|
|
|
|
|
|
|
|
|
|
;draw cursor
|
|
|
|
|
mov edx, eax
|
|
|
|
|
mov edi, [cur_saved_base]
|
|
|
|
|
mov eax, [_dy]
|
|
|
|
|
shl eax, 5
|
|
|
|
|
add eax, [_dx]
|
|
|
|
|
shl eax, 2
|
|
|
|
|
|
|
|
|
|
mov esi, [hcursor]
|
|
|
|
|
mov esi, [esi+CURSOR.base]
|
|
|
|
|
add esi, eax
|
|
|
|
|
.row:
|
|
|
|
|
mov ecx, [w]
|
|
|
|
|
.pix:
|
|
|
|
|
lodsd
|
|
|
|
|
test eax, 0xFF000000
|
|
|
|
|
jz @F
|
|
|
|
|
|
|
|
|
|
mov word [edi], ax
|
|
|
|
|
shr eax, 16
|
|
|
|
|
mov [edi+2],al
|
|
|
|
|
@@:
|
|
|
|
|
add edi, 3
|
|
|
|
|
dec ecx
|
|
|
|
|
jnz .pix
|
|
|
|
|
|
|
|
|
|
add esi, edx
|
|
|
|
|
add edi, ebx
|
|
|
|
|
dec [h]
|
|
|
|
|
jnz .row
|
|
|
|
|
ret
|
|
|
|
|
endp
|
|
|
|
|
|
|
|
|
|
align 4
|
|
|
|
|
proc cursor_32 stdcall, hcursor:dword, x:dword, y:dword
|
|
|
|
|
locals
|
|
|
|
|
w dd ?
|
|
|
|
|
h dd ?
|
|
|
|
|
st dd ?
|
|
|
|
|
_dx dd ?
|
|
|
|
|
_dy dd ?
|
|
|
|
|
endl
|
|
|
|
|
|
|
|
|
|
mov esi, [hcursor]
|
|
|
|
|
mov ecx, [x]
|
|
|
|
|
mov eax, [y]
|
|
|
|
|
mov ebx, [BytesPerScanLine]
|
|
|
|
|
|
|
|
|
|
xor edx, edx
|
|
|
|
|
sub ecx, [esi+CURSOR.hot_x]
|
|
|
|
|
mov [x], ecx
|
|
|
|
|
sets dl
|
|
|
|
|
dec edx
|
|
|
|
|
and ecx, edx ;clip x to 0<=x
|
|
|
|
|
mov edi, ecx
|
|
|
|
|
sub edi, [x]
|
|
|
|
|
mov [_dx], edi
|
|
|
|
|
|
|
|
|
|
xor edx, edx
|
|
|
|
|
sub eax, [esi+CURSOR.hot_y]
|
|
|
|
|
mov [y], eax
|
|
|
|
|
sets dl
|
|
|
|
|
dec edx
|
|
|
|
|
and eax, edx ;clip y to 0<=y
|
|
|
|
|
mov edi, eax
|
|
|
|
|
sub edi, [y]
|
|
|
|
|
mov [_dy], edi
|
|
|
|
|
|
|
|
|
|
mul ebx
|
|
|
|
|
lea esi, [eax+ecx*4]
|
|
|
|
|
add esi, [LFBAddress]
|
|
|
|
|
mov [cur_saved_base],esi
|
|
|
|
|
|
|
|
|
|
mov edi, [scr_width]
|
|
|
|
|
mov edx, [scr_height]
|
|
|
|
|
mov eax, 32
|
|
|
|
|
|
|
|
|
|
sub edi, ecx
|
|
|
|
|
cmp edi, eax
|
|
|
|
|
jng @F
|
|
|
|
|
mov edi, eax
|
|
|
|
|
@@:
|
|
|
|
|
sub edi, [_dx]
|
|
|
|
|
|
|
|
|
|
sub edx, [y]
|
|
|
|
|
cmp edx, eax
|
|
|
|
|
jng @F
|
|
|
|
|
mov edx, eax
|
|
|
|
|
@@:
|
|
|
|
|
sub edx, [_dy]
|
|
|
|
|
|
|
|
|
|
mov [w], edi
|
|
|
|
|
mov [h], edx
|
|
|
|
|
mov [cur_saved_w], edi
|
|
|
|
|
mov [cur_saved_h], edx
|
|
|
|
|
|
|
|
|
|
sub eax, edi
|
|
|
|
|
shl eax, 2
|
|
|
|
|
shl edi, 2
|
|
|
|
|
sub ebx, edi
|
|
|
|
|
mov [cur_saved_interl], ebx
|
|
|
|
|
|
|
|
|
|
mov edi, cur_saved_data
|
|
|
|
|
@@:
|
|
|
|
|
mov ecx, [w]
|
|
|
|
|
rep movsd
|
|
|
|
|
add esi, ebx
|
|
|
|
|
dec edx
|
|
|
|
|
jnz @B
|
|
|
|
|
|
|
|
|
|
;draw cursor
|
|
|
|
|
mov edx, eax
|
|
|
|
|
mov edi, [cur_saved_base]
|
|
|
|
|
mov eax, [_dy]
|
|
|
|
|
shl eax, 5
|
|
|
|
|
add eax, [_dx]
|
|
|
|
|
shl eax, 2
|
|
|
|
|
|
|
|
|
|
mov esi, [hcursor]
|
|
|
|
|
mov esi, [esi+CURSOR.base]
|
|
|
|
|
add esi, eax
|
|
|
|
|
.row:
|
|
|
|
|
mov ecx, [w]
|
|
|
|
|
.pix:
|
|
|
|
|
lodsd
|
|
|
|
|
test eax, 0xFF000000
|
|
|
|
|
jz @F
|
|
|
|
|
mov [edi], eax
|
|
|
|
|
@@:
|
|
|
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add edi, 4
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dec ecx
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jnz .pix
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add esi, edx
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add edi, ebx
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dec [h]
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jnz .row
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ret
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endp
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align 4
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def_arrow:
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file 'arrow.cur'
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