X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Fvideo_waveform_plot.h;h=7e9dbf70999691da6ca2ee793a2bae1c8814d3cc;hb=40755a826d9f28be8ac69cfbab48a5ad1ad18961;hp=c5cc498f6273a07bcf3e1482b258ee620762180f;hpb=3828baf56467224f5d44049bf1e7a7ed11f43a05;p=dcpomatic.git

diff --git a/src/wx/video_waveform_plot.h b/src/wx/video_waveform_plot.h
index c5cc498f6..7e9dbf709 100644
--- a/src/wx/video_waveform_plot.h
+++ b/src/wx/video_waveform_plot.h
@@ -29,23 +29,33 @@ namespace dcp {
 
 class PlayerVideo;
 class Image;
+class Film;
 class FilmViewer;
 
 class VideoWaveformPlot : public wxPanel
 {
 public:
-	VideoWaveformPlot (wxWindow* parent, FilmViewer* viewer);
+	VideoWaveformPlot (wxWindow* parent, boost::weak_ptr<const Film> film, FilmViewer* viewer);
 
 	void set_enabled (bool e);
 	void set_component (int c);
 	void set_contrast (int b);
 
+	/** Emitted when the mouse is moved over the waveform.  The parameters
+	    are:
+	    - (int, int): image x range
+	    - (int, int): component value range
+	*/
+	boost::signals2::signal<void (int, int, int, int)> MouseMoved;
+
 private:
 	void paint ();
 	void sized (wxSizeEvent &);
 	void create_waveform ();
 	void set_image (boost::weak_ptr<PlayerVideo>);
+	void mouse_moved (wxMouseEvent &);
 
+	boost::weak_ptr<const Film> _film;
 	boost::shared_ptr<dcp::OpenJPEGImage> _image;
 	boost::shared_ptr<const Image> _waveform;
 	bool _dirty;
@@ -54,6 +64,8 @@ private:
 	int _contrast;
 
 	static int const _vertical_margin;
+	static int const _pixel_values;
+	static int const _x_axis_width;
 
 	boost::signals2::connection _viewer_connection;
 };