Files
integration/Source/Integration/InputModeRequest.cpp

98 lines
2.6 KiB
C++

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