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FullscreenUI: Remove diagonal navigation

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Removing diagonal navigation makes moving across titles feel smoother and works closer to Steam's big picture mode.
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jasaaved authored and Ty committed 2026-06-13 15:34:27 -04:00
1 parent 5fbc79c466
commit 2c8ecc3ea7
1 file changed
+47 -2
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pcsx2/ImGui/ImGuiManager.cpp
+47 -2
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@@ -1217,6 +1217,21 @@ bool ImGuiManager::ProcessGenericInputEvent(GenericInputBinding key, InputLayout
if (static_cast<u32>(key) >= std::size(key_map) || key_map[static_cast<u32>(key)] == ImGuiKey_None)
return false;
// Ignore diagonal D-pad input — neither direction fires when both axes are held simultaneously.
static bool s_dpad_h_held = false, s_dpad_v_held = false;
const bool is_dpad_h = (key == GenericInputBinding::DPadLeft || key == GenericInputBinding::DPadRight);
const bool is_dpad_v = (key == GenericInputBinding::DPadUp || key == GenericInputBinding::DPadDown);
if (is_dpad_h || is_dpad_v)
{
if (is_dpad_h)
s_dpad_h_held = (value > 0.0f);
else
s_dpad_v_held = (value > 0.0f);
if (s_dpad_h_held && s_dpad_v_held)
return false;
}
MTGS::RunOnGSThread(
[key = key_map[static_cast<u32>(key)], value, layout]() mutable {
if (s_gamepad_swap_noth_west)
@@ -1238,11 +1253,41 @@ void ImGuiManager::ProcessGenericAxisEvent(GenericInputBinding negative_key, Gen
{
static constexpr float DEADZONE = 0.25f;
// Ignore diagonal analog stick input — neither axis fires when both exceed the deadzone.
static float s_left_stick_x = 0.0f, s_left_stick_y = 0.0f;
static float s_right_stick_x = 0.0f, s_right_stick_y = 0.0f;
float suppressed_value = value;
if (negative_key == GenericInputBinding::LeftStickLeft)
{
s_left_stick_x = value;
if (std::abs(s_left_stick_y) > DEADZONE)
suppressed_value = 0.0f;
}
else if (negative_key == GenericInputBinding::LeftStickUp)
{
s_left_stick_y = value;
if (std::abs(s_left_stick_x) > DEADZONE)
suppressed_value = 0.0f;
}
else if (negative_key == GenericInputBinding::RightStickLeft)
{
s_right_stick_x = value;
if (std::abs(s_right_stick_y) > DEADZONE)
suppressed_value = 0.0f;
}
else if (negative_key == GenericInputBinding::RightStickUp)
{
s_right_stick_y = value;
if (std::abs(s_right_stick_x) > DEADZONE)
suppressed_value = 0.0f;
}
// Treat as binary like the D-pad: either fully pressed or released, with a deadzone.
if (negative_key != GenericInputBinding::Unknown)
ProcessGenericInputEvent(negative_key, layout, (value < -DEADZONE) ? 1.0f : 0.0f);
ProcessGenericInputEvent(negative_key, layout, (suppressed_value < -DEADZONE) ? 1.0f : 0.0f);
if (positive_key != GenericInputBinding::Unknown)
ProcessGenericInputEvent(positive_key, layout, (value > DEADZONE) ? 1.0f : 0.0f);
ProcessGenericInputEvent(positive_key, layout, (suppressed_value > DEADZONE) ? 1.0f : 0.0f);
}
void ImGuiManager::SwapGamepadNorthWest(bool value)