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Improve shift-selection behaviour in processor box.

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git-svn-id: svn://localhost/ardour2/branches/3.0@8073 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2010-11-23 14:31:09 +00:00
parent 601d6bb3bf
commit e6665809fb
1 changed files with 43 additions and 5 deletions
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48
libs/gtkmm2ext/gtkmm2ext/dndvbox.h
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@ -252,14 +252,52 @@ private:
}
if (ev->button == 1 || ev->button == 3) {
if (!selected (child)) {
if ((ev->state & Gdk::CONTROL_MASK) == 0) {
clear_selection ();
}
if (child) {
add_to_selection (child);
if ((ev->state & Gdk::SHIFT_MASK) && !_selection.empty()) {
/* Shift-click; select all between the clicked child and any existing selections */
bool selecting = false;
bool done = false;
for (typename std::list<T*>::const_iterator i = _children.begin(); i != _children.end(); ++i) {
bool const was_selected = selected (*i);
if (selecting && !was_selected) {
add_to_selection (*i);
}
if (!selecting && !done) {
if (selected (*i)) {
selecting = true;
} else if (*i == child) {
selecting = true;
add_to_selection (child);
}
} else if (selecting) {
if (was_selected || *i == child) {
selecting = false;
done = true;
}
}
}
} else {
if ((ev->state & Gdk::CONTROL_MASK) == 0) {
clear_selection ();
}
if (child) {
add_to_selection (child);
}
}
SelectionChanged (); /* EMIT SIGNAL */
} else {
/* XXX THIS NEEDS GENERALIZING FOR OS X */
if (ev->button == 1 && (ev->state & Gdk::CONTROL_MASK)) {