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Absolute mouse coordinates are now calculated inside kernel instead of driver(s).

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git-svn-id: svn://kolibrios.org@4592 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr 2014-02-25 18:28:56 +00:00
parent 6ba242ab84
commit dc04bfc89f
3 changed files with 32 additions and 55 deletions
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23
kernel/trunk/drivers/usbhid/mouse.inc
View File

@ -32,13 +32,6 @@ ends
; in: ebx -> device_data from USB layer, edi -> collection
; out: eax = device-specific data or NULL on error
proc mouse_driver_add_device
; Get screen resolution so we can calculate absolute coordinates.
mov eax, 14
int 0x40
mov [screen_y], eax
and [screen_y], 0xffff
shr eax, 16
mov [screen_x], eax
; Just allocate memory; no initialization needed.
movi eax, sizeof.mouse_device_data
call Kmalloc
@ -146,24 +139,12 @@ end if
mov [edi+mouse_device_data.hwheel], edx
ret
.absolute_x:
push ebx
mov eax, [screen_x]
mul edx
mov ebx, 0x8000
div ebx
mov [edi+mouse_device_data.dx], eax
mov [edi+mouse_device_data.dx], edx
or [edi+mouse_device_data.buttons], 0x80000000
pop ebx
ret
.absolute_y:
push ebx
mov eax, [screen_y]
mul edx
mov ebx, 0x8000
div ebx
mov [edi+mouse_device_data.dy], eax
mov [edi+mouse_device_data.dy], edx
or [edi+mouse_device_data.buttons], 0x40000000
pop ebx
ret
endp

3
kernel/trunk/drivers/usbhid/usbhid.asm
View File

@ -534,9 +534,6 @@ disconnectmsg db 'K : USB HID device disconnected',13,10,0
invalid_report_msg db 'K : report descriptor is invalid',13,10,0
delimiter_note db 'K : note: alternate usage ignored',13,10,0
screen_x dd ?
screen_y dd ?
; Exported variable: kernel API version.
align 4
version dd 50005h

61
kernel/trunk/hid/mousedrv.inc
View File

@ -479,54 +479,53 @@ nodmp:
ret
;-----------------------------------------------------------------------------
align 4
proc set_mouse_data stdcall, BtnState:dword, XMoving:dword, YMoving:dword, VScroll:dword, HScroll:dword
proc set_mouse_data stdcall uses edx, BtnState:dword, XMoving:dword, YMoving:dword, VScroll:dword, HScroll:dword
mov eax, [BtnState]
and eax, 0x3FFFFFFF ; Top 2 bits are used to flag absolute movements
mov [BTN_DOWN], eax
;--------------------------------------
mov eax, [XMoving]
test [BtnState], 0x80000000
jnz @@M1
jnz .absolute_x
call mouse_acceleration
add ax, [MOUSE_X];[XCoordinate]
add ax, [MOUSE_X]
cmp ax, 0
jge @@M1
jge .check_x
mov eax, 0
jmp @@M2
jmp .set_x
.absolute_x:
mov edx, [_display.width]
mul edx
shr eax, 15
.check_x:
cmp ax, word[Screen_Max_X]
jl .set_x
mov ax, word[Screen_Max_X]
.set_x:
mov [MOUSE_X], ax
;--------------------------------------
align 4
@@M1:
cmp ax, word [Screen_Max_X];ScreenLength
jl @@M2
mov ax, word [Screen_Max_X];ScreenLength-1
;--------------------------------------
align 4
@@M2:
mov [MOUSE_X], ax;[XCoordinate]
mov eax, [YMoving]
test [BtnState], 0x40000000
jnz @@M3
jnz .absolute_y
neg eax
call mouse_acceleration
add ax, [MOUSE_Y];[YCoordinate]
add ax, [MOUSE_Y]
cmp ax, 0
jge @@M3
jge .check_y
mov ax, 0
jmp @@M4
jmp .set_y
.absolute_y:
mov edx, [_display.height]
mul edx
shr eax, 15
.check_y:
cmp ax, word[Screen_Max_Y]
jl .set_y
mov ax, word[Screen_Max_Y]
.set_y:
mov [MOUSE_Y], ax
;--------------------------------------
align 4
@@M3:
cmp ax, word [Screen_Max_Y];ScreenHeigth
jl @@M4
mov ax, word [Screen_Max_Y];ScreenHeigth-1
;--------------------------------------
align 4
@@M4:
mov [MOUSE_Y], ax;[YCoordinate]
mov eax, [VScroll]
add [MOUSE_SCROLL_V], ax