diff options
Diffstat (limited to 'FL')
| -rw-r--r-- | FL/Fl_Browser.H | 4 | ||||
| -rw-r--r-- | FL/Fl_Browser_.H | 25 |
2 files changed, 29 insertions, 0 deletions
diff --git a/FL/Fl_Browser.H b/FL/Fl_Browser.H index e0fa132c2..428bd20d2 100644 --- a/FL/Fl_Browser.H +++ b/FL/Fl_Browser.H @@ -86,6 +86,7 @@ protected: void* item_first() const ; void* item_next(void*) const ; void* item_prev(void*) const ; + void* item_last()const ; int item_selected(void*) const ; void item_select(void*, int); int item_height(void*) const ; @@ -93,6 +94,9 @@ protected: void item_draw(void*, int, int, int, int) const ; int full_height() const ; int incr_height() const ; + const char *item_text(void *item) const; + void item_swap(void *a, void *b) { swap((FL_BLINE*)a, (FL_BLINE*)b); } + void *item_at(int ix) const { return (void*)find_line(ix); } FL_BLINE* find_line(int) const ; FL_BLINE* _remove(int) ; diff --git a/FL/Fl_Browser_.H b/FL/Fl_Browser_.H index 30c62962c..f89383618 100644 --- a/FL/Fl_Browser_.H +++ b/FL/Fl_Browser_.H @@ -48,6 +48,9 @@ #define FL_HOLD_BROWSER 2 /**< type() of Fl_Hold_Browser */ #define FL_MULTI_BROWSER 3 /**< type() of Fl_Multi_Browser */ +#define FL_SORT_ASC 0 /**< sort browser items in ascending alphabetic order. */ +#define FL_SORT_DESC 1 /**< sort in descending order */ + /** This is the base for browsers. To be useful it must be subclassed and several virtual functions defined. The Forms-compatible @@ -94,6 +97,8 @@ protected: virtual void *item_next(void *) const = 0; /** This method must be provided by the subclass to return the item in the list before p. */ virtual void *item_prev(void *) const = 0; + /** This method can be provided by the subclass to return the ilast item in the list. */ + virtual void *item_last() const { return 0L; } /** This method must be provided by the subclass to return the height of the item p in pixels. Allow for two additional pixels for the list @@ -113,6 +118,18 @@ protected: and h. */ virtual void item_draw(void *,int,int,int,int) const = 0; + /** + This optional function returns a string that may be used for sorting. + */ + virtual const char *item_text(void *item) const { return 0L; } + /** + This optional function is required for sorting browser items. + */ + virtual void item_swap(void*, void*) { } + /** + Return the item a specified index. + */ + virtual void *item_at(int) const { return 0L; } // you don't have to provide these but it may help speed it up: virtual int full_width() const ; // current width of all items virtual int full_height() const ; // current height of all items @@ -271,6 +288,14 @@ public: */ void scrollbar_left() {scrollbar.align(FL_ALIGN_LEFT);} + /** + Sort the items in the browser. + item_swap(void*, void*) and item_text(void*) must be implemented for this call. + \param[in] flags no flags were defined yet. Sorting in descending order and + sorting while ignoring case come to mind. + */ + void sort(int flags=0); + }; #endif |