Fixed #510 (detached video closing)

Originally committed to SVN as r1686.

aegisub/dialog_detached_video.cpp

@@ -79,8 +79,6 @@ DialogDetachedVideo::DialogDetachedVideo(FrameMain *par)
 /////////////
 // Destructor
 DialogDetachedVideo::~DialogDetachedVideo() {
-	parent->detachedVideo = NULL;
-	parent->SetDisplayMode(1,-1);
 }
 
 
@@ -88,6 +86,7 @@ DialogDetachedVideo::~DialogDetachedVideo() {
 // Event table
 BEGIN_EVENT_TABLE(DialogDetachedVideo,wxDialog)
 	EVT_KEY_DOWN(DialogDetachedVideo::OnKey)
+	EVT_CLOSE(DialogDetachedVideo::OnClose)
 END_EVENT_TABLE()
 
 
@@ -98,3 +97,13 @@ void DialogDetachedVideo::OnKey(wxKeyEvent &event) {
 	event.Skip();
 	GetParent()->AddPendingEvent(event);
 }
+
+
+////////////////
+// Close window
+void DialogDetachedVideo::OnClose(wxCloseEvent &event) {
+	FrameMain *par = parent;
+	Destroy();
+	par->detachedVideo = NULL;
+	par->SetDisplayMode(1,-1);
+}

aegisub/dialog_detached_video.h

@@ -54,6 +54,7 @@ private:
 	FrameMain *parent;
 
 	void OnKey(wxKeyEvent &event);
+	void OnClose(wxCloseEvent &event);
 
 public:
 	DialogDetachedVideo(FrameMain *parent);