Don't disable or hide the visual tools while video is playing. Updates #1336.

Originally committed to SVN as r6168.

aegisub/src/video_context.cpp

@@ -229,13 +229,9 @@ void VideoContext::Reload() {
 void VideoContext::OnSubtitlesCommit() {
 	if (!IsLoaded()) return;
 
-	bool wasPlaying = IsPlaying();
-	Stop();
-
 	provider->LoadSubtitles(context->ass);
+	if (!IsPlaying())
 		GetFrameAsync(frame_n);
-
-	if (wasPlaying) Play();
 }
 
 void VideoContext::OnSubtitlesSave() {

aegisub/src/video_display.cpp

@@ -211,10 +211,8 @@ void VideoDisplay::Render() try {
 		}
 	}
 
-	if (mouse_pos || alwaysShowTools->GetBool()) {
-		if (!con->videoController->IsPlaying())
+	if (mouse_pos || alwaysShowTools->GetBool())
 		tool->Draw();
-	}
 
 	SwapBuffers();
 }
@@ -355,9 +353,6 @@ void VideoDisplay::OnSizeEvent(wxSizeEvent &event) {
 void VideoDisplay::OnMouseEvent(wxMouseEvent& event) {
 	assert(w > 0);
 
-	// Disable when playing
-	if (con->videoController->IsPlaying()) return;
-
 	if (event.ButtonDown())
 		SetFocus();
 

aegisub/src/visual_tool.cpp

@@ -102,11 +102,11 @@ void VisualToolBase::OnSeek(int new_frame) {
 	if (frame_number == new_frame) return;
 
 	frame_number = new_frame;
-	dragging = false;
 	OnFrameChanged();
 
 	AssDialogue *new_line = GetActiveDialogueLine();
 	if (new_line != active_line) {
+		dragging = false;
 		active_line = new_line;
 		OnLineChanged();
 	}

aegisub/src/visual_tool_drag.cpp

@@ -140,14 +140,13 @@ void VisualToolDrag::OnFrameChanged() {
 		else {
 			// Remove all features for this line (if any)
 			while (feat != end && feat->line == diag) {
+				if (feat == active_feature) active_feature = features.end();
 				feat->line = 0;
 				RemoveSelection(feat);
 				feat = features.erase(feat);
 			}
 		}
 	}
-
-	active_feature = features.end();
 }
 
 void VisualToolDrag::OnSelectedSetChanged(const Selection &added, const Selection &removed) {