fix stuck input when window loses focus

[b6d4a82c15 297]

Release all held keys on WM_ACTIVATEAPP deactivation so movement, attack, and camera controls don't remain stuck.

 Srcs/Client/UserInterface/PythonApplicationProcedure.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Srcs/Client/UserInterface/PythonApplicationProcedure.cpp b/Srcs/Client/UserInterface/PythonApplicationProcedure.cpp
index 50bdfb3a..a83ffdbe 100644
--- a/Srcs/Client/UserInterface/PythonApplicationProcedure.cpp
+++ b/Srcs/Client/UserInterface/PythonApplicationProcedure.cpp
@@ -95,6 +95,14 @@ LRESULT CPythonApplication::WindowProcedure(HWND hWnd, UINT uiMsg, WPARAM wParam
 					{
 						__MinimizeFullScreenWindow(hWnd, m_dwWidth, m_dwHeight);
 					}
+
+					// Release all held keys so movement/attack/camera don't stick.
+					for (int i = 0; i < 256; ++i)
+					{
+						if (IsPressed(i))
+							KeyUp(i);
+					}
+					memset(ms_diks, 0, sizeof(ms_diks));
 				}
 			}
 			break;