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(svn r22311) -Add: DropDownListStringItem::NatSortFunc() which can be used as comparator function in DropDownList::sort().

This commit is contained in:
frosch 2011-04-10 15:01:14 +00:00
parent 18f0add50a
commit ea1ca5bf1e
2 changed files with 17 additions and 0 deletions
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15
src/widgets/dropdown.cpp
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@ -38,6 +38,21 @@ void DropDownListStringItem::Draw(int left, int right, int top, int bottom, bool
DrawString(left + WD_FRAMERECT_LEFT, right - WD_FRAMERECT_RIGHT, top, this->String(), sel ? TC_WHITE : TC_BLACK);
}
/**
* Natural sorting comparator function for DropDownList::sort().
* @param first Left side of comparison.
* @param second Right side of comparison.
* @return true if \a first precedes \a second.
* @warning All items in the list need to be derivates of DropDownListStringItem.
*/
/* static */ bool DropDownListStringItem::NatSortFunc(const DropDownListItem *first, const DropDownListItem *second)
{
char buffer1[512], buffer2[512];
GetString(buffer1, static_cast<const DropDownListStringItem*>(first)->String(), lastof(buffer1));
GetString(buffer2, static_cast<const DropDownListStringItem*>(second)->String(), lastof(buffer2));
return strnatcmp(buffer1, buffer2) < 0;
}
StringID DropDownListParamStringItem::String() const
{
for (uint i = 0; i < lengthof(this->decode_params); i++) SetDParam(i, this->decode_params[i]);

2
src/widgets/dropdown_type.h
View File

@ -49,6 +49,8 @@ public:
virtual uint Width() const;
virtual void Draw(int left, int right, int top, int bottom, bool sel, int bg_colour) const;
virtual StringID String() const { return this->string; }
static bool NatSortFunc(const DropDownListItem *first, const DropDownListItem *second);
};
/**