"Use O as confirmation button" cause unavailable cancel button "X"

[RADAC]

I tried some cases.
Windows10 x64 1607 14393.321

"Use O as confirmation button"
XInput, x360.[A] as "X", x360.[B] as "O".
OK : "O" as confirmation button, "X" as cancel button.
ppsspp-v1.0.1-631-g0cbee06-windows-amd64
ppsspp-v1.0.1-865-g825662d-windows-amd64
ppsspp-v1.0.1-891-g1c67de0-windows-amd64
ppsspp-v1.0.1-2632-gdc4fb4c-windows-amd64
ppsspp-v1.0.1-2681-gaa4a33e-windows-amd64

NG : "O" and "X" as confirmation button.
ppsspp-v1.0.1-2684-gb368e79-windows-amd64
ppsspp-v1.0.1-2686-g4bdde2a-windows-amd64
ppsspp-v1.0.1-2718-g5e640a3-windows-amd64
ppsspp-v1.0.1-2739-g56e4d1d-windows-amd64
ppsspp-v1.0.1-2776-gd2a2a11-windows-amd64
ppsspp-v1.3-69-g4f655f8-windows-amd64

DirectInput, pad1.b1 as "X", pad1.b2 as "O".
OK : "O" as confirmation button, "X" as cancel button.
ppsspp-v1.0.1-2681-gaa4a33e-windows-amd64
ppsspp-v1.0.1-2684-gb368e79-windows-amd64
ppsspp-v1.3-69-g4f655f8-windows-amd64


thank you.