forked from KolibriOS/kolibrios
141 lines
3.5 KiB
NASM
141 lines
3.5 KiB
NASM
pb equ [esp + 4 + 8*4]
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align 16
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progressbar_draw:
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pushad
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; draw frame
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mov eax, pb
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mov edx, [eax + PB_FRAME_COLOR]
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mov ebx, [eax + PB_LEFT]
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mov edi, [eax + PB_TOP]
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mov ebp, [eax + PB_WIDTH]
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mov esi, [eax + PB_HEIGHT]
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add ebp, ebx
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add esi, edi
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dec ebp
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dec esi
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mov eax, SF_DRAW_LINE
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shl ebx, 16
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mov bx, bp
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shrd ecx, edi, 16
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mov cx, di
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int 64
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shrd ecx, esi, 16
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mov cx, si
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int 64
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shld esi, ebx, 16
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mov bx, si
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shrd ecx, edi, 16
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int 64
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shrd ebx, ebp, 16
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mov bx, bp
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int 64
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; if min > max then .skip
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mov eax, pb
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mov edx, [eax + PB_MAX]
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mov ecx, [eax + PB_MIN]
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cmp ecx, edx
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; jg .skip
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jne .min_no_eq_max
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dec edx
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.min_no_eq_max:
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; draw all progress rectangle
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call get_progress_width
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mov edi, eax
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mov eax, pb
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mov ebx, [eax + PB_LEFT]
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mov ecx, [eax + PB_TOP]
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mov edx, [eax + PB_PROGRESS_COLOR]
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inc ebx
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inc ecx
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shl ebx, 16
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shl ecx, 16
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add ebx, edi
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add ecx, [eax + PB_HEIGHT]
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dec ecx
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mov eax, SF_DRAW_RECT
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dec ecx
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int 64
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; draw last part of non-progress rectangle
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; edi = pW, esi = W - 2
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sub esi, edi ; width
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shr ebx, 16
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add ebx, edi
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shl ebx, 16
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add ebx, esi
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mov esi, pb
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mov edx, [esi + PB_BACK_COLOR]
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int 64
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; .skip:
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popad
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ret 4
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align 16
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get_progress_width:
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; pW = (W-2)(value - min) / (max - min)
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mov esi, [eax + PB_WIDTH]
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mov eax, [eax + PB_VALUE]
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dec esi
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sub eax, ecx
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dec esi
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neg ecx
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add ecx, edx
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mul esi
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div ecx
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ret
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align 16
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progressbar_progress:
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pushad
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; if min > max then .skip
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mov eax, pb
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mov edx, [eax + PB_MAX]
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mov ecx, [eax + PB_MIN]
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cmp ecx, edx
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; jg .skip
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jne .min_no_eq_max1
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dec edx
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.min_no_eq_max1:
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call get_progress_width
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mov edi, eax
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; increase value
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mov eax, pb
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mov ecx, [eax + PB_VALUE]
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mov edx, [eax + PB_MAX]
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inc ecx
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; if value > max then value = max
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cmp ecx, edx
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jng .next
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mov ecx, edx
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.next:
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mov [eax + PB_VALUE], ecx
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; draw new part of progress rectangle
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mov eax, pb
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mov ecx, [eax + PB_MIN]
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cmp ecx, edx
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jne .min_no_eq_max2
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dec edx
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.min_no_eq_max2:
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call get_progress_width
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mov esi, eax
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; edi = last pW, esi = new pW
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mov eax, pb
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mov ebx, [eax + PB_LEFT]
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mov ecx, [eax + PB_TOP]
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mov edx, [eax + PB_PROGRESS_COLOR]
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inc ebx
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inc ecx
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add ebx, edi
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shl ecx, 16
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shl ebx, 16
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add ecx, [eax + PB_HEIGHT]
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add ebx, esi
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dec ecx
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sub ebx, edi
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mov eax, SF_DRAW_RECT
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dec ecx
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int 64
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; .skip:
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popad
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ret 4
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restore pb
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