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fix potential crash-causing coding errors when removing regionviews from the selection 

git-svn-id: svn://localhost/ardour2/trunk@1693 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2007-04-10 11:46:12 +00:00
parent 39059bf339
commit 3b885c3126
1 changed files with 13 additions and 9 deletions
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22
gtk2_ardour/region_selection.cc
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@ -114,31 +114,33 @@ RegionSelection::remove_it (RegionView *rv)
bool
RegionSelection::remove (RegionView* rv)
{
RegionSelection::iterator i;
RegionSelection::iterator r;
if ((i = find (begin(), end(), rv)) != end()) {
erase (i);
if ((r = find (begin(), end(), rv)) != end()) {
// remove from layer sorted list
_bylayer.remove (rv);
if (empty()) {
if (size() == 1) {
/* this is the last one, so when we delete it
we will be empty.
*/
_current_start = 0;
_current_end = 0;
} else {
boost::shared_ptr<Region> region ((*i)->region());
boost::shared_ptr<Region> region ((*r)->region());
if (region->first_frame() == _current_start) {
/* reset current start */
nframes_t ref = max_frames;
for (i = begin (); i != end(); ++i) {
for (RegionSelection::iterator i = begin (); i != end(); ++i) {
if (region->first_frame() < ref) {
ref = region->first_frame();
}
@ -154,7 +156,7 @@ RegionSelection::remove (RegionView* rv)
nframes_t ref = 0;
for (i = begin (); i != end(); ++i) {
for (RegionSelection::iterator i = begin (); i != end(); ++i) {
if (region->first_frame() > ref) {
ref = region->first_frame();
}
@ -164,6 +166,8 @@ RegionSelection::remove (RegionView* rv)
}
}
erase (r);
return true;
}