;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
$Revision: 2384 $
LOAD_FROM_FILE equ 0
LOAD_FROM_MEM equ 1
LOAD_INDIRECT equ 2
LOAD_SYSTEM equ 3
struct BITMAPINFOHEADER
Size dd ?
Width dd ?
Height dd ?
Planes dw ?
BitCount dw ?
Compression dd ?
SizeImage dd ?
XPelsPerMeter dd ?
YPelsPerMeter dd ?
ClrUsed dd ?
ClrImportant dd ?
ends
align 4
proc init_cursor stdcall, dst:dword, src:dword
locals
rBase dd ?
pQuad dd ?
pBits dd ?
pAnd dd ?
width dd ?
height dd ?
counter dd ?
endl
mov esi, [src]
add esi, [esi+18]
mov eax, esi
cmp [esi+BITMAPINFOHEADER.BitCount], 24
je .img_24
cmp [esi+BITMAPINFOHEADER.BitCount], 8
je .img_8
cmp [esi+BITMAPINFOHEADER.BitCount], 4
je .img_4
.img_2:
add eax, [esi]
mov [pQuad], eax
add eax, 8
mov [pBits], eax
add eax, 128
mov [pAnd], eax
mov eax, [esi+4]
mov [width], eax
mov ebx, [esi+8]
shr ebx, 1
mov [height], ebx
mov edi, [dst]
add edi, 32*31*4
mov [rBase], edi
mov esi, [pQuad]
.l21:
mov ebx, [pBits]
mov ebx, [ebx]
bswap ebx
mov eax, [pAnd]
mov eax, [eax]
bswap eax
mov [counter], 32
@@:
xor edx, edx
shl eax, 1
setc dl
dec edx
xor ecx, ecx
shl ebx, 1
setc cl
mov ecx, [esi+ecx*4]
and ecx, edx
and edx, 0xFF000000
or edx, ecx
mov [edi], edx
add edi, 4
dec [counter]
jnz @B
add [pBits], 4
add [pAnd], 4
mov edi, [rBase]
sub edi, 128
mov [rBase], edi
sub [height], 1
jnz .l21
ret
.img_4:
add eax, [esi]
mov [pQuad], eax
add eax, 64
mov [pBits], eax
add eax, 0x200
mov [pAnd], eax
mov eax, [esi+4]
mov [width], eax
mov ebx, [esi+8]
shr ebx, 1
mov [height], ebx
mov edi, [dst]
add edi, 32*31*4
mov [rBase], edi
mov esi, [pQuad]
mov ebx, [pBits]
.l4:
mov eax, [pAnd]
mov eax, [eax]
bswap eax
mov [counter], 16
@@:
xor edx, edx
shl eax, 1
setc dl
dec edx
movzx ecx, byte [ebx]
and cl, 0xF0
shr ecx, 2
mov ecx, [esi+ecx]
and ecx, edx
and edx, 0xFF000000
or edx, ecx
mov [edi], edx
xor edx, edx
shl eax, 1
setc dl
dec edx
movzx ecx, byte [ebx]
and cl, 0x0F
mov ecx, [esi+ecx*4]
and ecx, edx
and edx, 0xFF000000
or edx, ecx
mov [edi+4], edx
inc ebx
add edi, 8
dec [counter]
jnz @B
add [pAnd], 4
mov edi, [rBase]
sub edi, 128
mov [rBase], edi
sub [height], 1
jnz .l4
ret
.img_8:
add eax, [esi]
mov [pQuad], eax
add eax, 1024
mov [pBits], eax
add eax, 1024
mov [pAnd], eax
mov eax, [esi+4]
mov [width], eax
mov ebx, [esi+8]
shr ebx, 1
mov [height], ebx
mov edi, [dst]
add edi, 32*31*4
mov [rBase], edi
mov esi, [pQuad]
mov ebx, [pBits]
.l81:
mov eax, [pAnd]
mov eax, [eax]
bswap eax
mov [counter], 32
@@:
xor edx, edx
shl eax, 1
setc dl
dec edx
movzx ecx, byte [ebx]
mov ecx, [esi+ecx*4]
and ecx, edx
and edx, 0xFF000000
or edx, ecx
mov [edi], edx
inc ebx
add edi, 4
dec [counter]
jnz @B
add [pAnd], 4
mov edi, [rBase]
sub edi, 128
mov [rBase], edi
sub [height], 1
jnz .l81
ret
.img_24:
add eax, [esi]
mov [pQuad], eax
add eax, 0xC00
mov [pAnd], eax
mov eax, [esi+BITMAPINFOHEADER.Width]
mov [width], eax
mov ebx, [esi+BITMAPINFOHEADER.Height]
shr ebx, 1
mov [height], ebx
mov edi, [dst]
add edi, 32*31*4
mov [rBase], edi
mov esi, [pAnd]
mov ebx, [pQuad]
.row_24:
mov eax, [esi]
bswap eax
mov [counter], 32
@@:
xor edx, edx
shl eax, 1
setc dl
dec edx
mov ecx, [ebx]
and ecx, 0x00FFFFFF
and ecx, edx
and edx, 0xFF000000
or edx, ecx
mov [edi], edx
add ebx, 3
add edi, 4
dec [counter]
jnz @B
add esi, 4
mov edi, [rBase]
sub edi, 128
mov [rBase], edi
sub [height], 1
jnz .row_24
ret
endp
align 4
proc set_cursor stdcall, hcursor:dword
mov eax, [hcursor]
cmp [eax+CURSOR.magic], 'CURS'
jne .fail
; cmp [eax+CURSOR.size], CURSOR_SIZE
; jne .fail
mov ebx, [current_slot]
xchg eax, [ebx+APPDATA.cursor]
ret
.fail:
mov eax, [def_cursor]
mov ebx, [current_slot]
xchg eax, [ebx+APPDATA.cursor]
ret
endp
; param
; eax= pid
; ebx= src
; ecx= flags
create_cursor:
.src equ esp
.flags equ esp+4
.hcursor equ esp+8
sub esp, 4 ;space for .hcursor
push ecx
push ebx
mov ebx, eax
mov eax, sizeof.CURSOR
call create_kernel_object
test eax, eax
jz .fail
mov [.hcursor], eax
xor ebx, ebx
mov [eax+CURSOR.magic], 'CURS'
mov [eax+CURSOR.destroy], destroy_cursor
mov [eax+CURSOR.hot_x], ebx
mov [eax+CURSOR.hot_y], ebx
stdcall kernel_alloc, 0x1000
test eax, eax
jz .fail
mov edi, [.hcursor]
mov [edi+CURSOR.base], eax
mov esi, [.src]
mov ebx, [.flags]
cmp bx, LOAD_INDIRECT
je .indirect
movzx ecx, word [esi+10]
movzx edx, word [esi+12]
mov [edi+CURSOR.hot_x], ecx
mov [edi+CURSOR.hot_y], edx
stdcall init_cursor, eax, esi
mov ecx, [.hcursor]
lea ecx, [ecx+CURSOR.list_next]
lea edx, [_display.cr_list.next]
pushfd
cli
list_add ecx, edx ;list_add_tail(new, head)
popfd
mov eax, [.hcursor]
.check_hw:
cmp [_display.init_cursor], 0
je .fail
push eax
call [_display.init_cursor]
add esp, 4
mov eax, [.hcursor]
.fail:
add esp, 12
ret
.indirect:
shr ebx, 16
movzx ecx, bh
movzx edx, bl
mov [eax+CURSOR.hot_x], ecx
mov [eax+CURSOR.hot_y], edx
xchg edi, eax
mov ecx, 1024
cld
rep movsd
jmp .check_hw
align 4
proc load_cursor stdcall, src:dword, flags:dword
locals
handle dd ?
endl
xor eax, eax
cmp [create_cursor], eax
je .fail2
mov [handle], eax
cmp word [flags], LOAD_FROM_FILE
jne @F
stdcall load_file, [src]
test eax, eax
jz .fail
mov [src], eax
@@:
push ebx
push esi
push edi
mov eax, [CURRENT_TASK]
shl eax, 5
mov eax, [CURRENT_TASK+eax+4]
mov ebx, [src]
mov ecx, [flags]
call create_cursor ;eax, ebx, ecx
mov [handle], eax
cmp word [flags], LOAD_FROM_FILE
jne .exit
stdcall kernel_free, [src]
.exit:
pop edi
pop esi
pop ebx
.fail:
mov eax, [handle]
.fail2:
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
mov ebx, [CURRENT_TASK]
shl ebx, 5
mov ebx, [CURRENT_TASK+ebx+4]
cmp ebx, [esi+CURSOR.pid]
jne .fail
mov ebx, [current_slot]
cmp esi, [ebx+APPDATA.cursor]
jne @F
mov eax, [def_cursor]
mov [ebx+APPDATA.cursor], eax
@@:
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]
mov eax, [esp]
lea eax, [eax+CURSOR.list_next]
pushfd
cli
list_del eax
popfd
pop eax
call destroy_kernel_object
ret
align 4
select_cursor:
mov eax, [esp+4]
mov [_display.cursor], eax
ret 4
align 4
proc restore_24 stdcall, x:dword, y:dword
push ebx
mov ebx, [cur_saved_base]
mov edx, [cur.h]
test edx, edx
jz .ret
push esi
push edi
mov esi, cur_saved_data
mov ecx, [cur.w]
lea ecx, [ecx+ecx*2]
push ecx
@@:
mov edi, ebx
add ebx, [BytesPerScanLine]
mov ecx, [esp]
rep movsb
dec edx
jnz @B
pop ecx
pop edi
pop esi
.ret:
pop ebx
ret
endp
align 4
proc restore_32 stdcall, x:dword, y:dword
push ebx
mov ebx, [cur_saved_base]
mov edx, [cur.h]
test edx, edx
jz .ret
push esi
push edi
mov esi, cur_saved_data
@@:
mov edi, ebx
add ebx, [BytesPerScanLine]
mov ecx, [cur.w]
rep movsd
dec edx
jnz @B
pop edi
.ret:
pop esi
pop ebx
ret
endp
align 4
proc move_cursor_24 stdcall, hcursor:dword, x:dword, y:dword
locals
h 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]
lea ebx, [ecx+32-1]
mov [x], ecx
sets dl
dec edx
and ecx, edx ;clip x to 0<=x
mov [cur.left], ecx
mov edi, ecx
sub edi, [x]
mov [_dx], edi
xor edx, edx
sub eax, [esi+CURSOR.hot_y]
lea edi, [eax+32-1]
mov [y], eax
sets dl
dec edx
and eax, edx ;clip y to 0<=y
mov [cur.top], eax
mov edx, eax
sub edx, [y]
mov [_dy], edx
mul dword [BytesPerScanLine]
lea edx, [LFB_BASE+ecx*3]
add edx, eax
mov [cur_saved_base], edx
cmp ebx, [Screen_Max_X]
jbe @F
mov ebx, [Screen_Max_X]
@@:
cmp edi, [Screen_Max_Y]
jbe @F
mov edi, [Screen_Max_Y]
@@:
mov [cur.right], ebx
mov [cur.bottom], edi
sub ebx, [x]
sub edi, [y]
inc ebx
inc edi
mov [cur.w], ebx
mov [cur.h], edi
mov [h], edi
mov eax, edi
mov edi, cur_saved_data
@@:
mov esi, edx
add edx, [BytesPerScanLine]
mov ecx, [cur.w]
lea ecx, [ecx+ecx*2]
rep movsb
dec eax
jnz @B
;draw cursor
mov ebx, [cur_saved_base]
mov eax, [_dy]
shl eax, 5
add eax, [_dx]
mov esi, [hcursor]
mov esi, [esi+CURSOR.base]
lea edx, [esi+eax*4]
.row:
mov ecx, [cur.w]
mov esi, edx
mov edi, ebx
add edx, 32*4
add ebx, [BytesPerScanLine]
.pix:
lodsd
test eax, 0xFF000000
jz @F
mov [edi], ax
shr eax, 16
mov [edi+2], al
@@:
add edi, 3
dec ecx
jnz .pix
dec [h]
jnz .row
ret
endp
align 4
proc move_cursor_32 stdcall, hcursor:dword, x:dword, y:dword
locals
h dd ?
_dx dd ?
_dy dd ?
endl
mov esi, [hcursor]
mov ecx, [x]
mov eax, [y]
xor edx, edx
sub ecx, [esi+CURSOR.hot_x]
lea ebx, [ecx+32-1]
mov [x], ecx
sets dl
dec edx
and ecx, edx ;clip x to 0<=x
mov [cur.left], ecx
mov edi, ecx
sub edi, [x]
mov [_dx], edi
xor edx, edx
sub eax, [esi+CURSOR.hot_y]
lea edi, [eax+32-1]
mov [y], eax
sets dl
dec edx
and eax, edx ;clip y to 0<=y
mov [cur.top], eax
mov edx, eax
sub edx, [y]
mov [_dy], edx
mul dword [BytesPerScanLine]
lea edx, [LFB_BASE+eax+ecx*4]
mov [cur_saved_base], edx
cmp ebx, [Screen_Max_X]
jbe @F
mov ebx, [Screen_Max_X]
@@:
cmp edi, [Screen_Max_Y]
jbe @F
mov edi, [Screen_Max_Y]
@@:
mov [cur.right], ebx
mov [cur.bottom], edi
sub ebx, [x]
sub edi, [y]
inc ebx
inc edi
mov [cur.w], ebx
mov [cur.h], edi
mov [h], edi
mov eax, edi
mov edi, cur_saved_data
@@:
mov esi, edx
add edx, [BytesPerScanLine]
mov ecx, [cur.w]
rep movsd
dec eax
jnz @B
;draw cursor
mov ebx, [cur_saved_base]
mov eax, [_dy]
shl eax, 5
add eax, [_dx]
mov esi, [hcursor]
mov esi, [esi+CURSOR.base]
lea edx, [esi+eax*4]
.row:
mov ecx, [cur.w]
mov esi, edx
mov edi, ebx
add edx, 32*4
add ebx, [BytesPerScanLine]
.pix:
lodsd
test eax, 0xFF000000
jz @F
mov [edi], eax
@@:
add edi, 4
dec ecx
jnz .pix
dec [h]
jnz .row
ret
endp
align 4
get_display:
mov eax, _display
ret
align 4
init_display:
xor eax, eax
mov edi, _display
mov [edi+display_t.init_cursor], eax
mov [edi+display_t.select_cursor], eax
mov [edi+display_t.show_cursor], eax
mov [edi+display_t.move_cursor], eax
mov [edi+display_t.restore_cursor], eax
lea ecx, [edi+display_t.cr_list.next]
mov [edi+display_t.cr_list.next], ecx
mov [edi+display_t.cr_list.prev], ecx
cmp [SCR_MODE], word 0x13
jbe .fail
test word [SCR_MODE], 0x4000
jz .fail
mov ebx, restore_32
mov ecx, move_cursor_32
movzx eax, byte [ScreenBPP]
cmp eax, 32
je @F
mov ebx, restore_24
mov ecx, move_cursor_24
cmp eax, 24
jne .fail
@@:
mov [_display.select_cursor], select_cursor
mov [_display.move_cursor], ecx
mov [_display.restore_cursor], ebx
stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
mov [def_cursor], eax
ret
.fail:
xor eax, eax
mov [_display.select_cursor], eax
mov [_display.move_cursor], eax
ret
align 4
def_arrow:
file 'arrow.cur'