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kolibrios-gitea/kernel/trunk/hid/mousedrv.inc
Doczom 69f5ec5ac7 [KERNEL] Graphics subsystem has been redesigned: 
- removed the old cursor and the code for its operation
 - minor fixes in other kernel modules
 - new fields have been added to the display_t structure for further refactoring of the graphics subsystem.

git-svn-id: svn://kolibrios.org@9941 a494cfbc-eb01-0410-851d-a64ba20cac60
2023-09-22 16:31:40 +00:00

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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2023. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
$Revision$
; check mouse
;
;
; FB00 -> FB0F mouse memory 00 chunk count - FB0A-B x - FB0C-D y
; FB10 -> FB17 mouse color mem
; FB21 x move
; FB22 y move
; FB30 color temp
; FB28 high bits temp
; FB4A -> FB4D FB4A-B x-under - FB4C-D y-under
; FC00 -> FCFE com1/ps2 buffer
; FCFF com1/ps2 buffer count starting from FC00
uglobal
;--------------------------------------
align 4
mousecount dd ?
mousedata dd ?
Y_UNDER_sub_CUR_hot_y_add_curh dw ?
Y_UNDER_subtraction_CUR_hot_y dw ?
X_UNDER_sub_CUR_hot_x_add_curh dw ?
X_UNDER_subtraction_CUR_hot_x dw ?
endg
iglobal
;--------------------------------------
align 4
mouse_speed_factor dw 4
mouse_delay db 3
mouse_doubleclick_delay db 64
endg
;-----------------------------------------------------------------------------
align 4
draw_mouse_under:
; return old picture
cmp [_display.restore_cursor], 0
je @F
pushad
movzx eax, word [X_UNDER]
movzx ebx, word [Y_UNDER]
stdcall [_display.restore_cursor], eax, ebx
popad
@@:
ret
;-----------------------------------------------------------------------------
align 4
save_draw_mouse:
cmp [_display.move_cursor], 0
je .exit
pushad
mov [X_UNDER], ax
mov [Y_UNDER], bx
movzx eax, word [MOUSE_Y]
movzx ebx, word [MOUSE_X]
push eax
push ebx
mov eax, [d_width_calc_area + eax*4]
add eax, [_display.win_map]
movzx edx, byte [ebx + eax]
shl edx, BSF sizeof.WDATA
; edx - thread slot of window under cursor
mov esi, [window_data + edx + WDATA.cursor] ; cursor of window under cursor
; if cursor of window under cursor already equal to the
; current_cursor then just draw it
cmp esi, [current_cursor]
je .draw
; eax = thread slot of current active window
mov eax, [thread_count]
movzx eax, word [WIN_POS + eax*2]
shl eax, BSF sizeof.WDATA
; window under cursor == active window ?
cmp eax, edx
je @f
; check whether active window is being resized now:
mov bl, [mouse.active_sys_window.action]
and bl, mouse.WINDOW_RESIZE_S_FLAG or mouse.WINDOW_RESIZE_W_FLAG or mouse.WINDOW_RESIZE_E_FLAG
test bl, bl
jz .active_isnt_resizing
mov esi, [window_data + eax + WDATA.cursor] ; esi = cursor of active window, it is resizing cursor
jmp @f
.active_isnt_resizing:
; if cursor of window under the cursor is resizing cursor then draw it.
cmp esi, [def_cursor_hresize]
je @f
cmp esi, [def_cursor_vresize]
je @f
cmp esi, [def_cursor_dresize1]
je @f
cmp esi, [def_cursor_dresize2]
je @f
; set cursor of window under cursor
mov esi, [window_data + edx + WDATA.cursor]
cmp esi, [current_cursor]
je .draw
@@:
cmp [_display.select_cursor], 0
jz .error
stdcall [_display.select_cursor], esi
mov [current_cursor], esi
;--------------------------------------
align 4
.draw:
stdcall [_display.move_cursor], esi
popad
ret
;--------------------------------------
;align 4
;.fail:
; mov ecx, [def_cursor]
; mov [window_data + edx + WDATA.cursor], ecx
; stdcall [_display.move_cursor], ecx ; stdcall: [esp]=ebx,eax
; popad
; ret
;--------------------------------------
align 4
.error:
popad
.exit:
ret
;-----------------------------------------------------------------------------
align 4
__sys_draw_pointer:
pushad
movzx ecx, word [X_UNDER]
movzx edx, word [Y_UNDER]
movzx ebx, word [MOUSE_Y]
movzx eax, word [MOUSE_X]
cmp [redrawmouse_unconditional], 0
je @f
mov [redrawmouse_unconditional], 0
jmp .redrawmouse
@@:
cmp eax, ecx
jne .redrawmouse
cmp ebx, edx
je .nodmp
;--------------------------------------
align 4
.redrawmouse:
pushfd
cli
call draw_mouse_under
call save_draw_mouse
cmp [_display.select_cursor], select_cursor
jne @f
xor eax, eax
mov esi, [current_cursor]
mov ax, [Y_UNDER]
sub eax, [esi + CURSOR.hot_y]
mov [Y_UNDER_subtraction_CUR_hot_y], ax
add eax, [cur.h]
mov [Y_UNDER_sub_CUR_hot_y_add_curh], ax
mov ax, [X_UNDER]
sub eax, [esi + CURSOR.hot_x]
mov [X_UNDER_subtraction_CUR_hot_x], ax
add eax, [cur.w]
mov [X_UNDER_sub_CUR_hot_x_add_curh], ax
@@:
popfd
.nodmp:
popad
ret
;-----------------------------------------------------------------------------
align 4
proc set_mouse_data stdcall uses ecx 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 .absolute_x
test eax, eax
jz @f
call mouse_acceleration
add ax, [MOUSE_X]
jns .check_x
xor eax, eax
jmp .set_x
.absolute_x:
mov edx, [_display.width]
mul edx
shr eax, 15
.check_x:
cmp ax, word[_display.width]
jl .set_x
mov ax, word[_display.width]
dec ax
.set_x:
mov [MOUSE_X], ax
;--------------------------------------
@@:
mov eax, [YMoving]
test [BtnState], 0x40000000
jnz .absolute_y
test eax, eax
jz @f
neg eax
call mouse_acceleration
add ax, [MOUSE_Y]
jns .check_y
xor eax, eax
jmp .set_y
.absolute_y:
mov edx, [_display.height]
mul edx
shr eax, 15
.check_y:
cmp ax, word[_display.height]
jl .set_y
mov ax, word[_display.height]
dec ax
.set_y:
mov [MOUSE_Y], ax
;--------------------------------------
@@:
mov eax, [VScroll]
test eax, eax
jz @f
add [MOUSE_SCROLL_V], ax
bts word [BTN_DOWN], 15
@@:
mov eax, [HScroll]
test eax, eax
jz @f
add [MOUSE_SCROLL_H], ax
bts dword [BTN_DOWN], 23
@@:
mov [mouse_active], 1
call wakeup_osloop
ret
endp
;-----------------------------------------------------------------------------
mouse_acceleration:
neg ax
jl mouse_acceleration
add al, [mouse_delay]
mul al
mov cx, [mouse_speed_factor]
dec ax
shr ax, cl
inc ax
test eax, eax
jns @f
neg ax
@@:
ret
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