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make tree recurse without recursive functions

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Matthew 2025-09-13 16:43:35 +10:00
parent 9f8e4aff59
commit 27f14e99c2
1 changed files with 56 additions and 28 deletions
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84
src/editor/ui.d
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@ -446,75 +446,103 @@ DrawNodes(UIItem* item)
void
CalcFixedSizes(UIItem* item)
{
if (!Nil(item))
for(UIItem* i = item; !Nil(i); i = Recurse(i))
{
static foreach(axis; A2D.min .. A2D.max)
{
if (item.size_info[axis].type == ST.Pixels)
if (i.size_info[axis].type == ST.Pixels)
{
item.size.v[axis] = item.size_info[axis].value + item.adjustment.v[axis];
i.size.v[axis] = i.size_info[axis].value + i.adjustment.v[axis];
}
}
CalcFixedSizes(item.first);
CalcFixedSizes(item.next);
}
}
void
CalcPercentageSizes(UIItem* item)
{
if (!Nil(item))
for(UIItem* i = item; !Nil(i); i = Recurse(i))
{
static foreach(axis; A2D.min .. A2D.max)
{
if (item.size_info[axis].type == ST.Percentage)
if (i.size_info[axis].type == ST.Percentage)
{
item.size.v[axis] = (item.parent.size.v[axis]*item.size_info[axis].value) + item.adjustment.v[axis];
i.size.v[axis] = (i.parent.size.v[axis]*i.size_info[axis].value) + i.adjustment.v[axis];
}
}
CalcPercentageSizes(item.first);
CalcPercentageSizes(item.next);
}
}
void
CalcPositions(alias axis)(UIItem* item, f32 pos = 0.0)
CalcPositions(alias axis)(UIItem* item)
{
if (!Nil(item))
f32 pos = 0.0;
for(UIItem* i = item; !Nil(i);)
{
f32 end_pos = pos + item.size.v[axis];
item.rect.vec0.v[axis] = pos;
item.rect.vec1.v[axis] = end_pos;
f32 end_pos = pos + i.size.v[axis];
i.rect.vec0.v[axis] = pos;
i.rect.vec1.v[axis] = end_pos;
f32 next_pos = item.parent.layout_axis == axis ? end_pos : pos;
f32 next_pos = i.parent.layout_axis == axis ? end_pos : pos;
CalcPositions!(axis)(item.first, pos);
CalcPositions!(axis)(item.next, next_pos);
if (!Nil(i.first))
{
i = i.first;
}
else if (!Nil(i.next))
{
i = i.next;
pos = next_pos;
}
else if (!Nil(i.parent.next))
{
i = i.parent.next;
pos = i.parent.layout_axis == axis ? i.prev.rect.vec1.v[axis] : i.prev.rect.vec0.v[axis];
}
else
{
break;
}
}
}
void
DrawUI(UICtx* ctx, UIItem* item)
{
if (!Nil(item))
for(UIItem* i = item; !Nil(i); i = Recurse(i))
{
if (item.flags & UIF.DrawBackground)
if (i.flags & UIF.DrawBackground)
{
DrawRect(ctx, item);
DrawRect(ctx, i);
}
if (item.flags & UIF.DrawText)
if (i.flags & UIF.DrawText)
{
DrawLine(item);
DrawLine(i);
}
DrawUI(ctx, item.first);
DrawUI(ctx, item.next);
}
}
UIItem*
Recurse(UIItem* item)
{
UIItem* result = g_UI_NIL;
if (!Nil(item.first))
{
result = item.first;
}
else if (!Nil(item.next))
{
result = item.next;
}
else if (!Nil(item.parent.next))
{
result = item.parent.next;
}
return result;
}
void
BuildItem(UIItem* item, UISize size_x, UISize size_y, UIFlags properties)
{