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Invalidate windows beneath hidden WS_EX_TRANSPARENT windows

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Fixes stuck items in Diablo 1 character creation menu.
This commit is contained in:
narzoul 2021-01-21 19:17:43 +01:00
parent 0e7f397863
commit c5a867bac5
1 changed files with 10 additions and 2 deletions
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12
DDrawCompat/Gdi/Window.cpp
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@ -17,6 +17,7 @@ namespace
struct UpdateWindowContext
{
Gdi::Region obscuredRegion;
Gdi::Region invalidatedRegion;
Gdi::Region virtualScreenRegion;
DWORD processId;
};
@ -96,7 +97,7 @@ namespace
}
void updatePosition(Window& window, const RECT& oldWindowRect, const RECT& oldClientRect,
const Gdi::Region& oldVisibleRegion)
const Gdi::Region& oldVisibleRegion, const Gdi::Region& invalidatedRegion)
{
const bool isClientOriginChanged =
window.clientRect.left - window.windowRect.left != oldClientRect.left - oldWindowRect.left ||
@ -155,6 +156,8 @@ namespace
preservedRegion -= updateRegion;
}
preservedRegion -= invalidatedRegion;
if (!isFrameInvalidated)
{
bltWindow(window.windowRect, oldWindowRect, preservedRegion);
@ -256,7 +259,12 @@ namespace
{
if (!it->second.visibleRegion.isEmpty())
{
updatePosition(it->second, wi.rcWindow, wi.rcClient, visibleRegion);
updatePosition(it->second, wi.rcWindow, wi.rcClient, visibleRegion, context.invalidatedRegion);
}
if (exStyle & WS_EX_TRANSPARENT)
{
context.invalidatedRegion |= visibleRegion - it->second.visibleRegion;
}
if (isVisible && !it->second.isVisibleRegionChanged)