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Fixed letter up/down selection.

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This commit is contained in:
Pieter Hulshoff 2016-05-04 10:01:28 +02:00
parent 11afa1dad4
commit 93f6b65c1e
1 changed files with 24 additions and 8 deletions
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32
RetroFE/Source/Graphics/Component/ScrollingList.cpp
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@ -327,7 +327,7 @@ void ScrollingList::letterChange(bool increment)
notifyAllRequested_ = true;
deallocateSpritePoints();
std::string startname = items_->at(itemIndex_)->lowercaseFullTitle();
std::string startname = items_->at((itemIndex_+selectedOffsetIndex_)%items_->size())->lowercaseFullTitle();
for(unsigned int i = 0; i < items_->size(); ++i)
{
@ -335,21 +335,37 @@ void ScrollingList::letterChange(bool increment)
if(increment) index = loopIncrement(itemIndex_, i, items_->size());
else index = loopDecrement(itemIndex_, i, items_->size());
std::string endname = items_->at(index)->lowercaseFullTitle();
std::string endname = items_->at((index+selectedOffsetIndex_)%items_->size())->lowercaseFullTitle();
// check if we are changing characters from a-z, or changing from alpha character to non-alpha character
if(isalpha(startname[0]) ^ isalpha(endname[0]))
{
break;
itemIndex_ = index;
}
else if(isalpha(startname[0]) && isalpha(endname[0]) && startname[0] != endname[0])
if((isalpha(startname[0]) ^ isalpha(endname[0])) ||
(isalpha(startname[0]) && isalpha(endname[0]) && startname[0] != endname[0]))
{
itemIndex_ = index;
break;
}
}
if (!increment) // For decrement, find the first game of the new letter
{
startname = items_->at((itemIndex_+selectedOffsetIndex_)%items_->size())->lowercaseFullTitle();
for(unsigned int i = 0; i < items_->size(); ++i)
{
unsigned int index = loopDecrement(itemIndex_, i, items_->size());
std::string endname = items_->at((index+selectedOffsetIndex_)%items_->size())->lowercaseFullTitle();
// check if we are changing characters from a-z, or changing from alpha character to non-alpha character
if((isalpha(startname[0]) ^ isalpha(endname[0])) ||
(isalpha(startname[0]) && isalpha(endname[0]) && startname[0] != endname[0]))
{
itemIndex_ = loopIncrement(index,1,items_->size());
break;
}
}
}
allocateSpritePoints();
}