various fixes

project/clip.cpp

@@ -44,7 +44,7 @@ Clip::Clip(Sequence* s) :
 	reset();
 }
 
-Clip* Clip::copy(Sequence* s) {
+Clip* Clip::copy(Sequence* s, bool duplicate_transitions) {
 	Clip* copy = new Clip(s);
 
 	copy->enabled = enabled;
@@ -69,8 +69,10 @@ Clip* Clip::copy(Sequence* s) {
 
 	copy->cached_fr = (this->sequence == nullptr) ? cached_fr : this->sequence->frame_rate;
 
-	if (get_opening_transition() != nullptr && get_opening_transition()->secondary_clip == nullptr) copy->opening_transition = get_opening_transition()->copy(copy, nullptr);
-	if (get_closing_transition() != nullptr && get_closing_transition()->secondary_clip == nullptr) copy->closing_transition = get_closing_transition()->copy(copy, nullptr);
+	if (duplicate_transitions) {
+		if (get_opening_transition() != nullptr && get_opening_transition()->secondary_clip == nullptr) copy->opening_transition = get_opening_transition()->copy(copy, nullptr);
+		if (get_closing_transition() != nullptr && get_closing_transition()->secondary_clip == nullptr) copy->closing_transition = get_closing_transition()->copy(copy, nullptr);
+	}
 
 	copy->recalculateMaxLength();
 

project/clip.h

@@ -35,7 +35,7 @@ struct Clip
 {
 	Clip(Sequence* s);
 	~Clip();
-	Clip* copy(Sequence* s);
+	Clip* copy(Sequence* s, bool duplicate_transitions = true);
 	void reset_audio();
 	void reset();
 	void refresh();

project/undo.cpp

@@ -209,7 +209,7 @@ SetTimelineInOutCommand::SetTimelineInOutCommand(Sequence *s, bool enabled, long
 
 void SetTimelineInOutCommand::undo() {
 	seq->using_workarea = old_enabled;
-    seq->enable_workarea = old_workarea_enabled;
+	seq->enable_workarea = old_workarea_enabled;
 	seq->workarea_in = old_in;
 	seq->workarea_out = old_out;
 
@@ -226,11 +226,11 @@ void SetTimelineInOutCommand::undo() {
 
 void SetTimelineInOutCommand::redo() {
 	old_enabled = seq->using_workarea;
-    old_workarea_enabled = seq->enable_workarea;
+	old_workarea_enabled = seq->enable_workarea;
 	old_in = seq->workarea_in;
 	old_out = seq->workarea_out;
 
-    if (!seq->using_workarea) seq->enable_workarea = true;
+	if (!seq->using_workarea) seq->enable_workarea = true;
 	seq->using_workarea = new_enabled;
 	seq->workarea_in = new_in;
 	seq->workarea_out = new_out;

project/undo.h

@@ -174,7 +174,7 @@ public:
 private:
 	Sequence* seq;
 
-    bool old_workarea_enabled;
+	bool old_workarea_enabled;
 
 	bool old_enabled;
 	long old_in;