Method UpdateKeyboardInputs

KBotExt/imgui/imgui.cpp:8474–8590

}

static void ImGui::UpdateKeyboardInputs()
{
	ImGuiContext& g = *GImGui;
	ImGuiIO& io = g.IO;

	// Import legacy keys or verify they are not used
#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
	if (io.BackendUsingLegacyKeyArrays == 0)
	{
		// Backend used new io.AddKeyEvent() API: Good! Verify that old arrays are never written to externally.
		for (int n = 0; n < ImGuiKey_LegacyNativeKey_END; n++)
			IM_ASSERT((io.KeysDown[n] == false || IsKeyDown((ImGuiKey)n)) && "Backend needs to either only use io.AddKeyEvent(), either only fill legacy io.KeysDown[] + io.KeyMap[]. Not both!");
	}
	else
	{
		if (g.FrameCount == 0)
			for (int n = ImGuiKey_LegacyNativeKey_BEGIN; n < ImGuiKey_LegacyNativeKey_END; n++)
				IM_ASSERT(g.IO.KeyMap[n] == -1 && "Backend is not allowed to write to io.KeyMap[0..511]!");

		// Build reverse KeyMap (Named -> Legacy)
		for (int n = ImGuiKey_NamedKey_BEGIN; n < ImGuiKey_NamedKey_END; n++)
			if (io.KeyMap[n] != -1)
			{
				IM_ASSERT(IsLegacyKey((ImGuiKey)io.KeyMap[n]));
				io.KeyMap[io.KeyMap[n]] = n;
			}

		// Import legacy keys into new ones
		for (int n = ImGuiKey_LegacyNativeKey_BEGIN; n < ImGuiKey_LegacyNativeKey_END; n++)
			if (io.KeysDown[n] || io.BackendUsingLegacyKeyArrays == 1)
			{
				const ImGuiKey key = (ImGuiKey)(io.KeyMap[n] != -1 ? io.KeyMap[n] : n);
				IM_ASSERT(io.KeyMap[n] == -1 || IsNamedKey(key));
				io.KeysData[key].Down = io.KeysDown[n];
				if (key != n)
					io.KeysDown[key] = io.KeysDown[n]; // Allow legacy code using io.KeysDown[GetKeyIndex()] with old backends
				io.BackendUsingLegacyKeyArrays = 1;
			}
		if (io.BackendUsingLegacyKeyArrays == 1)
		{
			GetKeyData(ImGuiMod_Ctrl)->Down = io.KeyCtrl;
			GetKeyData(ImGuiMod_Shift)->Down = io.KeyShift;
			GetKeyData(ImGuiMod_Alt)->Down = io.KeyAlt;
			GetKeyData(ImGuiMod_Super)->Down = io.KeySuper;
		}
	}

#ifndef IMGUI_DISABLE_OBSOLETE_KEYIO
	const bool nav_gamepad_active = (io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) != 0 && (io.BackendFlags & ImGuiBackendFlags_HasGamepad) != 0;
	if (io.BackendUsingLegacyNavInputArray && nav_gamepad_active)
	{
#define MAP_LEGACY_NAV_INPUT_TO_KEY1(_KEY, _NAV1)           do { io.KeysData[_KEY].Down = (io.NavInputs[_NAV1] > 0.0f); io.KeysData[_KEY].AnalogValue = io.NavInputs[_NAV1]; } while (0)
#define MAP_LEGACY_NAV_INPUT_TO_KEY2(_KEY, _NAV1, _NAV2)    do { io.KeysData[_KEY].Down = (io.NavInputs[_NAV1] > 0.0f) || (io.NavInputs[_NAV2] > 0.0f); io.KeysData[_KEY].AnalogValue = ImMax(io.NavInputs[_NAV1], io.NavInputs[_NAV2]); } while (0)
		MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadFaceDown, ImGuiNavInput_Activate);
		MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadFaceRight, ImGuiNavInput_Cancel);
		MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadFaceLeft, ImGuiNavInput_Menu);
		MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadFaceUp, ImGuiNavInput_Input);
		MAP_LEGACY_NAV_INPUT_TO_KEY1(ImGuiKey_GamepadDpadLeft, ImGuiNavInput_DpadLeft);