void update_layout()
{
FixedBoxModelElement frameBounds = BoxModel.PaddedBounds(this, Padding);
Vector2f topLeft = BoxModel.GetBoxPosition(frameBounds, BoxPosition.TopLeft);
float fZ = -0.01f * Width;
if (ParametersList != null)
{
BoxModel.SetObjectPosition(ParametersList, BoxPosition.TopLeft, topLeft, fZ);
}
}
protected override void update_layout()
{
base.update_layout();
FixedBoxModelElement contentBounds = BoxModel.PaddedContentBounds(this, Padding);
Vector2f topLeft = BoxModel.GetBoxPosition(contentBounds, BoxPosition.TopLeft);
float fZ = 0.05f * Width;
Background.Shape = new HUDShape(HUDShapeType.Rectangle, this.VisibleListWidth, this.VisibleListHeight);
BoxModel.SetObjectPosition(Background, BoxPosition.TopLeft, topLeft, fZ);
}
protected virtual void update_layout()
{
FixedBoxModelElement contentBounds = BoxModel.PaddedContentBounds(this, Padding);
Vector2f topLeft = BoxModel.GetBoxPosition(contentBounds, BoxPosition.TopLeft);
Vector2f insertPos = topLeft;
int N = ListItems.Count;
int visible = 0;
float spaceRequired = 0;
for (int i = 0; i < N; ++i)
{
if (ListItems[i].IsVisible)
{
visible++;
IBoxModelElement boxelem = ListItems[i] as IBoxModelElement;
spaceRequired += (Direction == ListDirection.Vertical) ? boxelem.Size2D.y : boxelem.Size2D.x;
if (i < N - 1)
{
spaceRequired += Spacing;
}
}
}
if (Direction == ListDirection.Vertical)
{
VisibleListHeight = spaceRequired;
VisibleListWidth = Width;
}
else
{
VisibleListHeight = Height;
VisibleListWidth = spaceRequired;
}
BoxPosition sourcePos = BoxPosition.TopLeft;
if (Direction == ListDirection.Horizontal)
{
if (VertAlign == VerticalAlignment.Center)
{
sourcePos = BoxPosition.CenterLeft;
insertPos = BoxModel.GetBoxPosition(contentBounds, BoxPosition.CenterLeft);
}
else if (VertAlign == VerticalAlignment.Bottom)
{
sourcePos = BoxPosition.BottomLeft;
insertPos = BoxModel.GetBoxPosition(contentBounds, BoxPosition.BottomLeft);
}
if (HorzAlign == HorizontalAlignment.Center)
{
insertPos.x += (this.Size2D.x - spaceRequired) / 2;
}
else if (HorzAlign == HorizontalAlignment.Right)
{
insertPos.x += this.Size2D.x - spaceRequired;
}
}
else
{
if (HorzAlign == HorizontalAlignment.Center)
{
sourcePos = BoxPosition.CenterTop;
insertPos = BoxModel.GetBoxPosition(contentBounds, BoxPosition.CenterTop);
}
else if (HorzAlign == HorizontalAlignment.Right)
{
sourcePos = BoxPosition.TopRight;
insertPos = BoxModel.GetBoxPosition(contentBounds, BoxPosition.TopRight);
}
}
for (int i = 0; i < N; ++i)
{
IBoxModelElement boxelem = ListItems[i] as IBoxModelElement;
if (ListItems[i].IsVisible == false)
{
BoxModel.SetObjectPosition(boxelem, BoxPosition.TopLeft, topLeft);
continue;
}
Vector2f usePos = insertPos + ItemNudge[i].xy;
BoxModel.SetObjectPosition(boxelem, sourcePos, usePos, ItemNudge[i].z);
if (Direction == ListDirection.Vertical)
{
insertPos.y -= boxelem.Size2D.y + Spacing;
}
else
{
insertPos.x += boxelem.Size2D.x + Spacing;
}
}
is_layout_valid = true;
}
protected virtual void update_layout()
{
int N = ListItems.Count;
if (N == 0)
{
return;
}
// update initial visibility
int total_visible = 0;
for (int i = 0; i < ListItems.Count; ++i)
{
if (ListItems[i].IsVisible)
{
InternalVisibility[i] = VisibleState.WasVisible;
total_visible++;
}
else
{
InternalVisibility[i] = VisibleState.WasHidden;
}
}
// this is messy. does multiple things:
// - computes visible dimensions / required space
// - in limit-to-bounds mode, figures out how many items are visible,
// and hides items that should not be visible
// - ??
int Nstop = -1;
int actual_visible = 0;
float spaceRequired = 0;
float otherDimMax = 0;
float availableSpace = (Direction == ListDirection.Vertical) ? Height : Width;
int li = 0;
if (size_mode == SizeModes.FixedSize_LimitItemsToBounds)
{
// skip first scroll_index items
int items_hidden = 0;
while (li < N && items_hidden < scroll_index)
{
if (InternalVisibility[li] == VisibleState.WasVisible)
{
InternalVisibility[li] = VisibleState.WasVisible_SetHidden;
ListItems[li].IsVisible = false;
items_hidden++;
}
li++;
}
}
while (li < N)
{
if (InternalVisibility[li] == VisibleState.WasHidden)
{
li++;
continue;
}
if (Nstop >= 0)
{
InternalVisibility[li] = VisibleState.WasVisible_SetHidden;
ListItems[li].IsVisible = false;
li++;
continue;
}
actual_visible++;
IBoxModelElement boxelem = ListItems[li] as IBoxModelElement;
Vector2f elemSize = boxelem.Size2D;
if (Direction == ListDirection.Vertical)
{
spaceRequired += elemSize.y;
otherDimMax = Math.Max(otherDimMax, elemSize.x);
}
else
{
spaceRequired += elemSize.x;
otherDimMax = Math.Max(otherDimMax, elemSize.y);
}
if (size_mode == SizeModes.FixedSize_LimitItemsToBounds && spaceRequired > availableSpace)
{
InternalVisibility[li] = VisibleState.WasVisible_SetHidden;
ListItems[li].IsVisible = false;
Nstop = li;
spaceRequired = availableSpace;
actual_visible--;
}
else if (li < N - 1)
{
spaceRequired += Spacing;
}
++li;
}
if (Direction == ListDirection.Vertical)
{
VisibleListHeight = spaceRequired;
VisibleListWidth = otherDimMax;
}
else
{
VisibleListHeight = otherDimMax;
VisibleListWidth = spaceRequired;
}
// in auto-size mode, we can auto-size now that we know dimensions
if (SizeMode == SizeModes.AutoSizeToFit)
{
float auto_width = VisibleListWidth + 2 * Padding;
float auto_height = VisibleListHeight + 2 * Padding;
if (Math.Abs(Width - auto_width) > 0.001f || Math.Abs(Height - auto_height) > 0.001f)
{
Width = VisibleListWidth + 2 * Padding;
Height = VisibleListHeight + 2 * Padding;
}
}
// track number of items that fit in bounds
scroll_items = 0;
if (size_mode == SizeModes.FixedSize_LimitItemsToBounds)
{
scroll_items = total_visible - actual_visible;
}
// now do actual layout
FixedBoxModelElement contentBounds = BoxModel.PaddedContentBounds(this, Padding);
Vector2f topLeft = BoxModel.GetBoxPosition(contentBounds, BoxPosition.TopLeft);
Vector2f insertPos = topLeft;
// compute insertion position based on alignment settings
BoxPosition sourcePos = BoxPosition.TopLeft;
if (Direction == ListDirection.Horizontal)
{
if (VertAlign == VerticalAlignment.Center)
{
sourcePos = BoxPosition.CenterLeft;
insertPos = BoxModel.GetBoxPosition(contentBounds, BoxPosition.CenterLeft);
}
else if (VertAlign == VerticalAlignment.Bottom)
{
sourcePos = BoxPosition.BottomLeft;
insertPos = BoxModel.GetBoxPosition(contentBounds, BoxPosition.BottomLeft);
}
if (HorzAlign == HorizontalAlignment.Center)
{
insertPos.x += (this.Size2D.x - spaceRequired) / 2;
}
else if (HorzAlign == HorizontalAlignment.Right)
{
insertPos.x += this.Size2D.x - spaceRequired;
}
}
else
{
if (HorzAlign == HorizontalAlignment.Center)
{
sourcePos = BoxPosition.CenterTop;
insertPos = BoxModel.GetBoxPosition(contentBounds, BoxPosition.CenterTop);
}
else if (HorzAlign == HorizontalAlignment.Right)
{
sourcePos = BoxPosition.TopRight;
insertPos = BoxModel.GetBoxPosition(contentBounds, BoxPosition.TopRight);
}
}
// position visible elements
for (int i = 0; i < N; ++i)
{
IBoxModelElement boxelem = ListItems[i] as IBoxModelElement;
if (ListItems[i].IsVisible == false)
{
BoxModel.SetObjectPosition(boxelem, BoxPosition.TopLeft, topLeft);
continue;
}
Vector2f usePos = insertPos + ItemNudge[i].xy;
BoxModel.SetObjectPosition(boxelem, sourcePos, usePos, ItemNudge[i].z);
if (Direction == ListDirection.Vertical)
{
insertPos.y -= boxelem.Size2D.y + Spacing;
}
else
{
insertPos.x += boxelem.Size2D.x + Spacing;
}
}
is_layout_valid = true;
}
