diff options
Diffstat (limited to 'indra/llui/llscrolllistctrl.h')
| -rw-r--r-- | indra/llui/llscrolllistctrl.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/indra/llui/llscrolllistctrl.h b/indra/llui/llscrolllistctrl.h index d2d2379328..bfff85315d 100644 --- a/indra/llui/llscrolllistctrl.h +++ b/indra/llui/llscrolllistctrl.h @@ -73,6 +73,32 @@ public: // *TODO: Add callbacks to Params typedef boost::function<void (void)> callback_t; + + template<typename T> struct maximum
+ {
+ typedef T result_type;
+
+ template<typename InputIterator>
+ T operator()(InputIterator first, InputIterator last) const
+ {
+ // If there are no slots to call, just return the
+ // default-constructed value
+ if(first == last ) return T();
+ T max_value = *first++;
+ while (first != last) {
+ if (max_value < *first)
+ max_value = *first;
+ ++first;
+ }
+
+ return max_value;
+ }
+ };
+ + + //typedef boost::signals2::signal<void (S32,const LLScrollListItem*,const LLScrollListItem*),maximum<S32>> sort_signal_t; + //typedef boost::signals2::signal<void (S32,const LLScrollListItem*,const LLScrollListItem*)> sort_signal_t; + typedef boost::signals2::signal<S32 (S32,const LLScrollListItem*,const LLScrollListItem*),maximum<S32>> sort_signal_t; struct Params : public LLInitParam::Block<Params, LLUICtrl::Params> { @@ -362,6 +388,13 @@ public: void setNeedsSort(bool val = true) { mSorted = !val; } void dirtyColumns(); // some operation has potentially affected column layout or ordering + boost::signals2::connection setSortCallback(sort_signal_t::slot_type cb ) + { + if (!mSortCallback) mSortCallback = new sort_signal_t(); + return mSortCallback->connect(cb); + } + + protected: // "Full" interface: use this when you're creating a list that has one or more of the following: // * contains icons @@ -474,6 +507,8 @@ private: typedef std::pair<S32, BOOL> sort_column_t; std::vector<sort_column_t> mSortColumns; + + sort_signal_t* mSortCallback; }; // end class LLScrollListCtrl #endif // LL_SCROLLLISTCTRL_H |