98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
////////////////////////////////////////////////////////////
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//
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// InputModeRequest.cpp
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//
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////////////////////////////////////////////////////////////
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#include "InputModeRequest.h"
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#include "Common.h"
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bool FlxInputModeRequest::operator==(const FlxInputModeRequest &Other) const
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{
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return (Widget == Other.Widget) &&
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(Focus == Other.Focus) &&
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(ShowPointer == Other.ShowPointer) &&
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(BlockInput == Other.BlockInput) &&
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(EnableInputComponent == Other.EnableInputComponent);
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}
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bool FlxInputModeRequests::SanityCheck(const FlxInputModeRequest &Request)
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{
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if (Request.Widget == nullptr)
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{
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UE_LOG(LogLuprexIntegration, Error, TEXT("RequestEvents called with null widget."));
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return false;
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}
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return true;
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}
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void FlxInputModeRequests::SplitHighLow(View &High, View &Low)
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{
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int32 NumHigh = 0;
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while ((NumHigh < Requests.Num()) && (Requests[NumHigh].IsHighPrio())) NumHigh++;
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int32 NumLow = Requests.Num() - NumHigh;
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High = View(Requests.GetData(), NumHigh);
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Low = View(Requests.GetData() + NumHigh, NumLow);
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}
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void FlxInputModeRequests::Request(const FlxInputModeRequest &NewRequest)
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{
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bool IsHigh = NewRequest.IsHighPrio();
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// Divide the array into a high-priority slice and a low-priority slice.
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View High, Low;
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SplitHighLow(High, Low);
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// Stamp this request with a fresh sequence number.
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FlxInputModeRequest Stamped = NewRequest;
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Stamped.SequenceNumber = ++NextSequenceNumber;
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// We're going to build a new version of the requests array.
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TArray<FlxInputModeRequest> Updated;
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// Add all high priority requests to the updated array, new request first.
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if (IsHigh) Updated.Add(Stamped);
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for (const FlxInputModeRequest &Req : High)
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if (Req.Widget != NewRequest.Widget) Updated.Add(Req);
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// Add all low priority requests to the updated array, new request first.
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if (!IsHigh) Updated.Add(Stamped);
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for (const FlxInputModeRequest &Req : Low)
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if (Req.Widget != NewRequest.Widget) Updated.Add(Req);
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Swap(Requests, Updated);
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}
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void FlxInputModeRequests::SetEnableInputComponent(UUserWidget *Widget, bool EnableInputComponent)
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{
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for (FlxInputModeRequest &Req : Requests)
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{
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if (Req.Widget == Widget)
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{
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Req.EnableInputComponent = EnableInputComponent;
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return;
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}
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}
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FlxInputModeRequest NewReq;
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NewReq.Widget = Widget;
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NewReq.EnableInputComponent = EnableInputComponent;
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Request(NewReq);
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}
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void FlxInputModeRequests::Remove(UUserWidget *Widget)
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{
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Requests.RemoveAll([Widget](const FlxInputModeRequest &Entry)
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{
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return Entry.Widget == Widget;
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});
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}
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void FlxInputModeRequests::GarbageCollect()
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{
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Requests.RemoveAll([](const FlxInputModeRequest &Entry)
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{
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return !IsValid(Entry.Widget);
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});
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}
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