diff --git a/src/Fl_Browser_.cxx b/src/Fl_Browser_.cxx index 903479b23..736d3b345 100644 --- a/src/Fl_Browser_.cxx +++ b/src/Fl_Browser_.cxx @@ -1,5 +1,5 @@ // -// "$Id: Fl_Browser_.cxx,v 1.10.2.15 2001/01/22 15:13:39 easysw Exp $" +// "$Id: Fl_Browser_.cxx,v 1.10.2.16 2001/07/05 00:20:41 uid28863 Exp $" // // Base Browser widget class for the Fast Light Tool Kit (FLTK). // @@ -563,35 +563,36 @@ int Fl_Browser_::handle(int event) { void* l = find_item(my); whichway = 1; if (Fl::event_state(FL_CTRL)) { // toggle selection: + TOGGLE: if (l) { whichway = !item_selected(l); change = select(l, whichway, when() & FL_WHEN_CHANGED); } } else if (Fl::event_state(FL_SHIFT)) { // extend selection: - change = 0; - if (selection_ && l != selection_) { - void *m = l; - int down = 0; - whichway = item_selected(selection_); - for (m = selection_; m; m = item_next(m)) { - if (m == l) down = 1; - } - void *n; - if (down) { - m = selection_; - n = l; - } else { - m = l; - n = selection_; - } - while (m != n) { + if (l == selection_) goto TOGGLE; + // state of previous selection determines new value: + whichway = l ? !item_selected(l) : 1; + // see which of the new item or previous selection is earlier, + // by searching from the previous forward for this one: + int down; + if (!l) down = 1; + else {for (void* m = selection_; ; m = item_next(m)) { + if (m == l) {down = 1; break;} + if (!m) {down = 0; break;} + }} + if (down) { + for (void* m = selection_; m != l; m = item_next(m)) select(m, whichway, when() & FL_WHEN_CHANGED); - m = item_next(m); + } else { + void* e = selection_; + for (void* m = item_next(l); m; m = item_next(m)) { + select(m, whichway, when() & FL_WHEN_CHANGED); + if (m == e) break; } - select(n, whichway, when() & FL_WHEN_CHANGED); - select(l, whichway, when() & FL_WHEN_CHANGED); - change = 1; } + // do the clicked item last so the select box is around it: + if (l) select(l, whichway, when() & FL_WHEN_CHANGED); + change = 1; } else { // select only this item change = select_only(l, when() & FL_WHEN_CHANGED); } @@ -706,5 +707,5 @@ void Fl_Browser_::item_select(void*, int) {} int Fl_Browser_::item_selected(void* l) const {return l==selection_;} // -// End of "$Id: Fl_Browser_.cxx,v 1.10.2.15 2001/01/22 15:13:39 easysw Exp $". +// End of "$Id: Fl_Browser_.cxx,v 1.10.2.16 2001/07/05 00:20:41 uid28863 Exp $". //