Mercurial > hg > openttd
changeset 17547:01aee9a39e6e draft
(svn r22311) -Add: DropDownListStringItem::NatSortFunc() which can be used as comparator function in DropDownList::sort().
author | frosch <frosch@openttd.org> |
---|---|
date | Sun, 10 Apr 2011 15:01:14 +0000 |
parents | e7d0a4f1e433 |
children | c0fce44f4000 |
files | src/widgets/dropdown.cpp src/widgets/dropdown_type.h |
diffstat | 2 files changed, 17 insertions(+), 0 deletions(-) [+] |
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--- a/src/widgets/dropdown.cpp +++ b/src/widgets/dropdown.cpp @@ -38,6 +38,21 @@ 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]);
--- a/src/widgets/dropdown_type.h +++ b/src/widgets/dropdown_type.h @@ -49,6 +49,8 @@ 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); }; /**