diff options
Diffstat (limited to 'src/Fl_Tree.cxx')
| -rw-r--r-- | src/Fl_Tree.cxx | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/src/Fl_Tree.cxx b/src/Fl_Tree.cxx index 03e0a1364..b5f427a0c 100644 --- a/src/Fl_Tree.cxx +++ b/src/Fl_Tree.cxx @@ -415,7 +415,11 @@ int Fl_Tree::handle(int e) { case FL_PUSH: { // clicked on tree last_my = Fl::event_y(); // save for dragging direction.. if (Fl::visible_focus() && handle(FL_FOCUS)) Fl::focus(this); +#if FLTK_ABI_VERSION >= 10303 + Fl_Tree_Item *item = _root->find_clicked(_prefs, 0); +#else Fl_Tree_Item *item = _root->find_clicked(_prefs); +#endif if ( !item ) { // clicked, but not on an item? _lastselect = 0; switch ( _prefs.selectmode() ) { @@ -494,7 +498,11 @@ int Fl_Tree::handle(int e) { // During drag, only interested in left-mouse operations. // if ( Fl::event_button() != FL_LEFT_MOUSE ) break; - Fl_Tree_Item *item = _root->find_clicked(_prefs, 1); // item we're on, vertically +#if FLTK_ABI_VERSION >= 10303 + Fl_Tree_Item *item = _root->find_clicked(_prefs, 1); // item we're on, vertically +#else + Fl_Tree_Item *item = _root->find_clicked(_prefs); // item we're on, vertically +#endif if ( !item ) break; // not near item? ignore drag event ret |= 1; // acknowledge event set_item_focus(item); // becomes new focus item @@ -1047,6 +1055,28 @@ int Fl_Tree::item_pathname(char *pathname, int pathnamelen, const Fl_Tree_Item * return(0); } +#if FLTK_ABI_VERSION >= 10303 +/// Find the item that was last clicked on. +/// You should use callback_item() instead, which is fast, +/// and is meant to be used within a callback to determine the item clicked. +/// +/// This method walks the entire tree looking for the first item that is +/// under the mouse. (The value of the \p 'yonly' flag affects whether +/// both x and y events are checked, or just y) +/// +/// Use this method /only/ if you've subclassed Fl_Tree, and are receiving +/// events before Fl_Tree has been able to process and update callback_item(). +/// +/// \param[in] yonly -- 0: check both event's X and Y values. +/// -- 1: only check event's Y value, don't care about X. +/// \returns The item clicked, or NULL if no item was under the current event. +/// \version 1.3.0, added yonly parameter as a 1.3.3 ABI feature. +/// +const Fl_Tree_Item* Fl_Tree::find_clicked(int yonly) const { + if ( ! _root ) return(NULL); + return(_root->find_clicked(_prefs, yonly)); +} +#else /// Find the item that was last clicked on. /// You should use callback_item() instead, which is fast, /// and is meant to be used within a callback to determine the item clicked. @@ -1057,12 +1087,14 @@ int Fl_Tree::item_pathname(char *pathname, int pathnamelen, const Fl_Tree_Item * /// Use this method /only/ if you've subclassed Fl_Tree, and are receiving /// events before Fl_Tree has been able to process and update callback_item(). /// -/// \returns The item clicked, or 0 if no item was under the current event. +/// \returns The item clicked, or NULL if no item was under the current event. +/// \version 1.3.0 /// const Fl_Tree_Item* Fl_Tree::find_clicked() const { if ( ! _root ) return(NULL); return(_root->find_clicked(_prefs)); } +#endif /// Set the item that was last clicked. /// Should only be used by subclasses needing to change this value. |