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Backends: Win32: fixed an issue where a viewport destroyed while clicking would hog mouse tracking and temporary lead to incorrect update of HoveredWindow. (#7971)

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# Conflicts:
#	backends/imgui_impl_win32.cpp
#	docs/CHANGELOG.txt
This commit is contained in:
ocornut 2024-09-16 17:22:31 +02:00
parent 1ac162f2b0
commit 08b1496b7e
1 changed files with 11 additions and 1 deletions
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12
backends/imgui_impl_win32.cpp
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@ -107,7 +107,7 @@ struct ImGui_ImplWin32_Data
{ {
HWND hWnd; HWND hWnd;
HWND MouseHwnd; HWND MouseHwnd;
int MouseTrackedArea; // 0: not tracked, 1: client are, 2: non-client area int MouseTrackedArea; // 0: not tracked, 1: client area, 2: non-client area
int MouseButtonsDown; int MouseButtonsDown;
INT64 Time; INT64 Time;
INT64 TicksPerSecond; INT64 TicksPerSecond;
@ -629,6 +629,16 @@ IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hwnd, UINT msg, WPARA
} }
return 0; return 0;
} }
case WM_DESTROY:
if (bd->MouseHwnd == hwnd && bd->MouseTrackedArea != 0)
{
TRACKMOUSEEVENT tme_cancel = { sizeof(tme_cancel), TME_CANCEL, hwnd, 0 };
::TrackMouseEvent(&tme_cancel);
bd->MouseHwnd = nullptr;
bd->MouseTrackedArea = 0;
io.AddMousePosEvent(-FLT_MAX, -FLT_MAX);
}
return 0;
case WM_LBUTTONDOWN: case WM_LBUTTONDBLCLK: case WM_LBUTTONDOWN: case WM_LBUTTONDBLCLK:
case WM_RBUTTONDOWN: case WM_RBUTTONDBLCLK: case WM_RBUTTONDOWN: case WM_RBUTTONDBLCLK:
case WM_MBUTTONDOWN: case WM_MBUTTONDBLCLK: case WM_MBUTTONDOWN: case WM_MBUTTONDBLCLK: