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InputModeRequests now use less-than operator to sort

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This commit is contained in:
jyelon
2026-04-21 04:24:35 -04:00
parent 9787522ef6
commit ec983951fe
2 changed files with 67 additions and 48 deletions
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96
Source/Integration/InputModeRequest.cpp
View File

@@ -7,6 +7,15 @@
#include "InputModeRequest.h"
#include "Common.h"
bool FlxInputModeRequest::operator<(const FlxInputModeRequest &Other) const
{
// The highest priority request goes to the front of the array.
// Therefore, in this context, 'less than' means 'higher priority'.
// It's a little confusing.
if (ShowPointer != Other.ShowPointer) return ShowPointer > Other.ShowPointer;
return SequenceNumber > Other.SequenceNumber;
}
bool FlxInputModeRequest::operator==(const FlxInputModeRequest &Other) const
{
return (Widget == Other.Widget) &&
@@ -26,57 +35,68 @@ bool FlxInputModeRequests::SanityCheck(const FlxInputModeRequest &Request)
return true;
}
void FlxInputModeRequests::SplitHighLow(View &High, View &Low)
int32 FlxInputModeRequests::FindWidget(UUserWidget *Widget)
{
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);
for (const FlxInputModeRequest &Req : Requests)
{
if (Req.Widget == Widget) return &Req - Requests.GetData();
}
return Requests.Num();
}
void FlxInputModeRequests::Request(const FlxInputModeRequest &NewRequest)
void FlxInputModeRequests::BubbleItem(int32 Index)
{
bool IsHigh = NewRequest.IsHighPrio();
while ((Index > 0) && (Requests[Index] < Requests[Index - 1]))
{
Swap(Requests[Index], Requests[Index - 1]);
--Index;
}
while ((Index < Requests.Num() - 1) && (Requests[Index + 1] < Requests[Index]))
{
Swap(Requests[Index], Requests[Index + 1]);
++Index;
}
}
// Divide the array into a high-priority slice and a low-priority slice.
View High, Low;
SplitHighLow(High, Low);
void FlxInputModeRequests::Request(const FlxInputModeRequest &NewRequest, bool UpdateSequence)
{
int32 Index = FindWidget(NewRequest.Widget);
// Stamp this request with a fresh sequence number.
FlxInputModeRequest Stamped = NewRequest;
Stamped.SequenceNumber = ++NextSequenceNumber;
if (Index == Requests.Num())
{
Requests.Emplace(NewRequest);
Requests[Index].SequenceNumber = ++NextSequenceNumber;
}
else
{
int32 SequenceNumber = Requests[Index].SequenceNumber;
if (UpdateSequence) SequenceNumber = ++NextSequenceNumber;
Requests[Index] = NewRequest;
Requests[Index].SequenceNumber = SequenceNumber;
}
// 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);
BubbleItem(Index);
}
void FlxInputModeRequests::SetEnableInputComponent(UUserWidget *Widget, bool EnableInputComponent)
{
for (FlxInputModeRequest &Req : Requests)
int32 Index = FindWidget(Widget);
if (Index == Requests.Num())
{
if (Req.Widget == Widget)
{
Req.EnableInputComponent = EnableInputComponent;
return;
}
FlxInputModeRequest NewReq;
NewReq.Widget = Widget;
NewReq.EnableInputComponent = EnableInputComponent;
NewReq.SequenceNumber = ++NextSequenceNumber;
Requests.Emplace(NewReq);
}
FlxInputModeRequest NewReq;
NewReq.Widget = Widget;
NewReq.EnableInputComponent = EnableInputComponent;
Request(NewReq);
else
{
Requests[Index].EnableInputComponent = EnableInputComponent;
}
BubbleItem(Index);
}
void FlxInputModeRequests::Remove(UUserWidget *Widget)