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Don't create a scrollbar that cannot be scrolled

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Evil Eye 2025-02-23 10:48:13 +01:00
parent 07cc2a72bb
commit 3e3dfac4e0
2 changed files with 3 additions and 1 deletions
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1
CHANGELOG.md
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@ -228,6 +228,7 @@
Bug #8252: Plugin dependencies are not required to be loaded
Bug #8295: Post-processing chain is case-sensitive
Bug #8299: Crash while smoothing landscape
Bug #8364: Crash when clicking scrollbar without handle (divide by zero)
Feature #1415: Infinite fall failsafe
Feature #2566: Handle NAM9 records for manual cell references
Feature #3501: OpenMW-CS: Instance Editing - Shortcuts for axial locking

3
apps/openmw/mwgui/dialogue.cpp
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@ -666,7 +666,8 @@ namespace MWGui
else if (scrollbar)
{
mHistory->setSize(MyGUI::IntSize(mHistory->getWidth(), book->getSize().second));
size_t range = book->getSize().second - viewHeight;
// Scroll range should be >= 2 to enable scrolling and prevent a crash
size_t range = std::max(book->getSize().second - viewHeight, size_t(2));
mScrollBar->setScrollRange(range);
mScrollBar->setScrollPosition(range - 1);
mScrollBar->setTrackSize(