Ellpeck/MLEM
1
0
Fork 0
mirror of https://github.com/Ellpeck/MLEM.git synced 2024-12-25 01:39:23 +01:00
Code Issues Projects Releases Wiki Activity

ensure that child padding stays consistent if ScrollerSize gets updated

Browse source
This commit is contained in:
Ell 2021-11-14 20:28:53 +01:00
parent 04a206f728
commit cd48ad6e2a
1 changed files with 8 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
MLEM.Ui/Elements/Panel.cs
View file

@ -53,6 +53,7 @@ namespace MLEM.Ui.Elements {
private RenderTarget2D renderTarget;
private bool relevantChildrenDirty;
private float scrollBarChildOffset;
/// <summary>
/// Creates a new panel with the given settings.
@ -229,14 +230,16 @@ namespace MLEM.Ui.Elements {
// the max value of the scrollbar is the amount of non-scaled pixels taken up by overflowing components
var scrollBarMax = (childrenHeight - this.ChildPaddedArea.Height) / this.Scale;
if (!this.ScrollBar.MaxValue.Equals(scrollBarMax, Epsilon)) {
var wasZero = this.ScrollBar.MaxValue <= Epsilon;
this.ScrollBar.MaxValue = scrollBarMax;
if (this.ScrollBar.MaxValue <= Epsilon != wasZero) {
// update child padding based on whether the scroll bar is visible
this.ChildPadding += new Padding(0, this.ScrollerSize.Value.X + this.ScrollBarOffset, 0, 0) * (this.ScrollBar.IsHidden ? -1 : 1);
this.relevantChildrenDirty = true;
// update child padding based on whether the scroll bar is visible
var childOffset = this.ScrollBar.IsHidden ? 0 : this.ScrollerSize.Value.X + this.ScrollBarOffset;
if (!this.scrollBarChildOffset.Equals(childOffset, Epsilon)) {
this.ChildPadding += new Padding(0, -this.scrollBarChildOffset + childOffset, 0, 0);
this.scrollBarChildOffset = childOffset;
this.SetAreaDirty();
}
this.relevantChildrenDirty = true;
}
// the scroller height has the same relation to the scroll bar height as the visible area has to the total height of the panel's content