fixed selecting bug

effects/crossdissolvetransition.cpp

@@ -4,6 +4,7 @@
 
 CrossDissolveTransition::CrossDissolveTransition() {
     name = "Cross Dissolve";
+    id = VIDEO_DISSOLVE_TRANSITION;
 }
 
 void CrossDissolveTransition::process_transition(float progress) {

effects/transition.cpp

@@ -2,6 +2,7 @@
 
 Transition::Transition() {
     length = 30;
+    link = NULL;
 }
 
 Transition* Transition::copy() {

effects/transition.h

@@ -3,12 +3,24 @@
 
 #include <QString>
 
+enum VideoTransitions {
+    VIDEO_DISSOLVE_TRANSITION,
+    VIDEO_TRANSITION_COUNT
+};
+
+enum AudioTransitions {
+    AUDIO_LINEAR_FADE_TRANSITION,
+    AUDIO_TRANSITION_COUNT
+};
+
 class Transition
 {
 public:
     Transition();
+    int id;
     int length;
     QString name;
+    Transition* link;
     virtual void process_transition(float);
     virtual Transition* copy();
 };