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When you move window, background is restored only to the old position is now. Some speedup!

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git-svn-id: svn://kolibrios.org@2514 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Marat Zakiyanov (Mario79) 2012-03-28 13:26:34 +00:00
parent 659824c952
commit 370072a7fd
1 changed files with 8 additions and 36 deletions
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40
kernel/trunk/gui/window.inc
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@ -1351,43 +1351,15 @@ window._.invalidate_screen: ;//////////////////////////////////////////////////
; TODO: do we really need `draw_limits`?
; Yes, they are used by background drawing code.
mov ecx, [eax + BOX.left]
mov edx, [ebx + BOX.left]
cmp ecx, edx
jle @f
mov ecx, edx
;--------------------------------------
align 4
@@:
; we need only to restore the background windows at the old place!
mov ecx, [ebx + BOX.left]
mov [draw_limits.left], ecx
mov ecx, [eax + BOX.left]
add ecx, [eax + BOX.width]
add edx, [ebx + BOX.width]
cmp ecx, edx
jae @f
mov ecx, edx
;--------------------------------------
align 4
@@:
add ecx, [ebx + BOX.width]
mov [draw_limits.right], ecx
mov ecx, [eax + BOX.top]
mov edx, [ebx + BOX.top]
cmp ecx, edx
jle @f
mov ecx, edx
;--------------------------------------
align 4
@@:
mov ecx, [ebx + BOX.top]
mov [draw_limits.top], ecx
mov ecx, [eax + BOX.top]
add ecx, [eax + BOX.height]
add edx, [ebx + BOX.height]
cmp ecx, edx
jae @f
mov ecx, edx
;--------------------------------------
align 4
@@:
add ecx, [ebx + BOX.height]
mov [draw_limits.bottom], ecx
; recalculate screen buffer at old position
push ebx