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UI: Keep scroll position on async load.

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For the saved scroll position in the game list.
This commit is contained in:
Unknown W. Brackets 2021-09-27 23:37:31 -07:00
parent fc78b408b2
commit 374569ce7e
1 changed files with 13 additions and 4 deletions
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17
Common/UI/ViewGroup.cpp
View File

@ -800,15 +800,21 @@ void ScrollView::Layout() {
switch (orientation_) {
case ORIENT_HORIZONTAL:
if (scrolled.w != lastViewSize_) {
ScrollTo(0.0f);
if (scrollToTopOnSizeChange_)
ScrollTo(0.0f);
else if (rememberPos_)
scrollPos_ = *rememberPos_;
lastViewSize_ = scrolled.w;
}
scrolled.x = bounds_.x - layoutScrollPos_;
scrolled.y = bounds_.y + margins.top;
break;
case ORIENT_VERTICAL:
if (scrolled.h != lastViewSize_ && scrollToTopOnSizeChange_) {
ScrollTo(0.0f);
if (scrolled.h != lastViewSize_) {
if (scrollToTopOnSizeChange_)
ScrollTo(0.0f);
else if (rememberPos_)
scrollPos_ = *rememberPos_;
lastViewSize_ = scrolled.h;
}
scrolled.x = bounds_.x + margins.left;
@ -1137,8 +1143,11 @@ void ScrollView::Update() {
if (oldPos != scrollPos_)
orientation_ == ORIENT_HORIZONTAL ? lastScrollPosX = scrollPos_ : lastScrollPosY = scrollPos_;
if (rememberPos_)
// We load some lists asynchronously, so don't update the position until it's loaded.
if (rememberPos_ && ClampedScrollPos(scrollPos_) != ClampedScrollPos(*rememberPos_)) {
*rememberPos_ = scrollPos_;
}
}
void AnchorLayout::Measure(const UIContext &dc, MeasureSpec horiz, MeasureSpec vert) {