catch markers as they go away, to avoid selection corruption; add select-range-betwee...
[ardour.git] / gtk2_ardour / marker.cc
index 79ae58a98d02cccd9daedd4939b20c40ca9e237b..505e577c4288d5ae8356efebd1de462400ee4db4 100644 (file)
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id$
 */
 
+#include <sigc++/bind.h>
 #include <ardour/tempo.h>
 
 #include "marker.h"
 #include "public_editor.h"
-#include "canvas-simpleline.h"
 #include "utils.h"
+#include "canvas_impl.h"
+#include "ardour_ui.h"
 
 #include "i18n.h"
 
 Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, const string& annotation, 
-               Type type, gint (*callback)(ArdourCanvas::Item *, GdkEvent *, gpointer), jack_nframes_t frame)
+               Type type, nframes_t frame, bool handle_events)
 
        : editor (ed), _type(type)
 {
        double label_offset = 0;
+       bool annotate_left = false;
 
        /* Shapes we use:
 
@@ -59,63 +61,67 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
 
            Start:
 
-          0,0  -> 5,0 
-                   |          \
-            |          10,5
-           |          /
-           0,10 -> 5,10
+          0,0\ 
+                   |  \        
+            |   \ 6,6
+           |   /
+            |  /
+           0,12 
 
           End:
 
-            5,0 -> 10,0
-             /       |
-          0,5       |
-             \       |
-            5,10 <-10,10
+              /12,0
+             /     | 
+             /      |
+          6,6      |
+             \      |
+              \     |
+               \    |
+              12,12
 
             
           TransportStart:
 
-            0,0->3,0
-             |    |
-             |    |
-             |    |
-             |   3,8 -> 7,8
-             |           |
-            0,11 ------ 7,11
+            0,0
+             | 
+             |  
+             |   
+             |    \
+             |     \  
+            0,13 --- 13,13
 
           TransportEnd:
 
-                     4,0->7,0
-                      |    |
-                      |    |
-                      |    |
-            0,8 ---- 4,8   |
-             |             |
-            0,11 -------- 7,11
+                   /13,0
+                  /   |
+                 /    |
+                    |
+               /      |
+              /       |
+            0,13 ------ 13,13
             
 
             PunchIn:
 
-            0,0 ------> 8,0
+            0,0 ------> 13,0
              |       /
              |      /
-             |    4,5
-             |     |
-             |     |
-             |     |
-            0,11->4,11
+             |     /
+             |    
+             |   
+             |  
+            0,13
 
             PunchOut
 
-          0,0 -->-8,0
+          0,0 -->-13,0
            \       | 
             \      |
-            4,5    |
-                 |
-             |     |
-             |     |
-            4,11->8,11
+             \     |
+              \    |
+               \   |
+                \  |
+                13,13
             
           
        */
@@ -152,82 +158,71 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
 
        case Start:
                points = new ArdourCanvas::Points ();
-               points->push_back (Gnome::Art::Point (0.0, 0.0)); 
-               points->push_back (Gnome::Art::Point (5.0, 0.0));               
-               points->push_back (Gnome::Art::Point (10.0, 5.0));              
-               points->push_back (Gnome::Art::Point (5.0, 10.0));              
-               points->push_back (Gnome::Art::Point (0.0, 10.0));              
+               points->push_back (Gnome::Art::Point (0.0, 0.0));               
+               points->push_back (Gnome::Art::Point (6.5, 6.5));               
+               points->push_back (Gnome::Art::Point (0.0, 13.0));              
                points->push_back (Gnome::Art::Point (0.0, 0.0));       
 
-               shift = 10;
-               label_offset = 12.0;
+               shift = 0;
+               label_offset = 13.0;
                break;
 
        case End:
                points = new ArdourCanvas::Points ();
-               points->push_back (Gnome::Art::Point (5.0, 0.0));
-               points->push_back (Gnome::Art::Point (10.0, 0.0));              
-               points->push_back (Gnome::Art::Point (10.0, 10.0));             
-               points->push_back (Gnome::Art::Point (5.0, 10.0));              
-               points->push_back (Gnome::Art::Point (0.0, 5.0));               
-               points->push_back (Gnome::Art::Point (5.0, 0.0));               
+               points->push_back (Gnome::Art::Point (6.5, 6.5));
+               points->push_back (Gnome::Art::Point (13.0, 0.0));              
+               points->push_back (Gnome::Art::Point (13.0, 13.0));                     
+               points->push_back (Gnome::Art::Point (6.5, 6.5));               
                
-               shift = 0;
-               label_offset = 12.0;
+               shift = 13;
+               label_offset = 6.0;
+               annotate_left = true;
                break;
 
        case LoopStart:
                points = new ArdourCanvas::Points ();
-               points->push_back (Gnome::Art::Point (0.0, 0.0));
-               points->push_back (Gnome::Art::Point (4.0, 0.0));               
-               points->push_back (Gnome::Art::Point (4.0, 8.0));               
-               points->push_back (Gnome::Art::Point (8.0, 8.0));               
-               points->push_back (Gnome::Art::Point (8.0, 11.0));              
-               points->push_back (Gnome::Art::Point (0.0, 11.0));              
+               points->push_back (Gnome::Art::Point (0.0, 0.0));       
+               points->push_back (Gnome::Art::Point (13.0, 13.0));             
+               points->push_back (Gnome::Art::Point (0.0, 13.0));              
                points->push_back (Gnome::Art::Point (0.0, 0.0));               
                
                shift = 0;
-               label_offset = 11.0;
+               label_offset = 12.0;
                break;
 
        case LoopEnd:
                points = new ArdourCanvas::Points ();
-               points->push_back (Gnome::Art::Point (8.0,  0.0));
-               points->push_back (Gnome::Art::Point (8.0, 11.0));      
-               points->push_back (Gnome::Art::Point (0.0, 11.0));              
-               points->push_back (Gnome::Art::Point (0.0, 8.0));
-               points->push_back (Gnome::Art::Point (4.0, 8.0));
-               points->push_back (Gnome::Art::Point (4.0, 0.0));       
-               points->push_back (Gnome::Art::Point (8.0, 0.0));
+               points->push_back (Gnome::Art::Point (13.0,  0.0));
+               points->push_back (Gnome::Art::Point (13.0, 13.0));     
+               points->push_back (Gnome::Art::Point (0.0, 13.0));              
+               points->push_back (Gnome::Art::Point (13.0, 0.0));
                
-               shift = 8;
-               label_offset = 11.0;
+               shift = 13;
+               label_offset = 0.0;
+               annotate_left = true;
                break;
 
        case  PunchIn:
                points = new ArdourCanvas::Points ();
                points->push_back (Gnome::Art::Point (0.0, 0.0));
-               points->push_back (Gnome::Art::Point (8.0, 0.0));               
-               points->push_back (Gnome::Art::Point (4.0, 4.0));       
-               points->push_back (Gnome::Art::Point (4.0, 11.0));      
-               points->push_back (Gnome::Art::Point (0.0, 11.0));      
+               points->push_back (Gnome::Art::Point (13.0, 0.0));              
+               points->push_back (Gnome::Art::Point (0.0, 13.0));      
                points->push_back (Gnome::Art::Point (0.0, 0.0));       
 
                shift = 0;
-               label_offset = 10.0;
+               label_offset = 13.0;
                break;
                
        case  PunchOut:
                points = new ArdourCanvas::Points ();
                points->push_back (Gnome::Art::Point (0.0, 0.0));
-               points->push_back (Gnome::Art::Point (8.0, 0.0));               
-               points->push_back (Gnome::Art::Point (8.0, 11.0));              
-               points->push_back (Gnome::Art::Point (4.0, 11.0));              
-               points->push_back (Gnome::Art::Point (4.0, 4.0));               
+               points->push_back (Gnome::Art::Point (12.0, 0.0));                      
+               points->push_back (Gnome::Art::Point (12.0, 12.0));             
                points->push_back (Gnome::Art::Point (0.0, 0.0));               
 
-               shift = 8;
-               label_offset = 11.0;
+               shift = 13;
+               label_offset = 0.0;
+               annotate_left = true;
                break;
                
        }
@@ -239,50 +234,122 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
 
        unit_position -= shift;
 
-       group = &parent;
-       group->set_property ("x", unit_position);
-       group->set_property ("y", 1.0);
-       // cerr << "set mark al points, nc = " << points->num_points << endl;
-       mark = new ArdourCanvas::Polygon (*group);
-       mark->set_property ("points", points);
-       mark->set_property ("fill_color_rgba", rgba);
-       mark->set_property ("outline_color", Gdk::Color ("black"));
-
-       Pango::FontDescription font = get_font_for_style (N_("MarkerText"));
-
-       text = new ArdourCanvas::Text (*group);
-       text->set_property ("text", annotation.c_str());
-       text->set_property ("x", label_offset);
-       text->set_property ("y", 0.0);
-       text->set_property ("fontdesc", font);
-       text->set_property ("anchor", Gtk::ANCHOR_NW);
-       text->set_property ("fill_color", Gdk::Color ("black"));
-
-       group->signal_event().connect() (bind (mem_fun (editor, &PublicEditor::reposition), group, this));
+       group = new Group (parent, unit_position, 1.0);
+
+       mark = new Polygon (*group);
+       mark->property_points() = *points;
+       mark->property_fill_color_rgba() = rgba;
+       mark->property_outline_color_rgba() = rgba;
+       mark->property_width_pixels() = 1;
+       Pango::FontDescription* font = get_font_for_style (N_("MarkerText"));
+       
+       text = new Text (*group);
+       text->property_text() = annotation.c_str();
+       text->property_font_desc() = *font;
+
+       delete font;
+       
+       if (annotate_left) {
+               text->property_x() = -(text->property_text_width());
+       } else {
+               text->property_x() = label_offset;
+       }
+       text->property_y() = 0.0;
+       text->property_anchor() = Gtk::ANCHOR_NW;
+       text->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerLabel.get();
+
+       editor.ZoomChanged.connect (mem_fun (*this, &Marker::reposition));
+
+       mark->set_data ("marker", this);
+
+       if (handle_events) {
+               group->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_marker_event), mark, this));
+       }
+
+       line = 0;
+       line_points = 0;
+
 }
 
 Marker::~Marker ()
 {
-       /* destroying the group destroys its contents */
+       drop_references ();
+
+       /* destroying the parent group destroys its contents, namely any polygons etc. that we added */
        delete text;
        delete mark;
        delete points;
+
+       if (line) {
+               delete line;
+               delete line_points;
+       }
+}
+
+void
+Marker::add_line (ArdourCanvas::Group* group, double initial_height)
+{
+       if (!line) {
+
+               line_points = new ArdourCanvas::Points ();
+               line_points->push_back (Gnome::Art::Point (unit_position + shift, 0.0));
+               line_points->push_back (Gnome::Art::Point (unit_position + shift, initial_height));                     
+               
+               line = new ArdourCanvas::Line (*group);
+               line->property_width_pixels() = 1;
+               line->property_points() = *line_points;
+               line->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_EditPoint.get();
+       }
+
+       show_line ();
+}
+
+void
+Marker::show_line ()
+{
+       if (line) {
+               line->raise_to_top();
+               line->show ();
+       }
+}
+
+void 
+Marker::hide_line ()
+{
+       if (line) {
+               line->hide ();
+       }
+}
+
+ArdourCanvas::Item&
+Marker::the_item() const
+{
+       return *mark;
 }
 
 void
 Marker::set_name (const string& name)
 {
-       text->set_property ("text", name.c_str());
+       text->property_text() = name.c_str();
+       if (_type == End) {
+         text->property_x() = -(text->property_text_width());
+       }
 }
 
 void
-Marker::set_position (jack_nframes_t frame)
+Marker::set_position (nframes_t frame)
 {
        double new_unit_position = editor.frame_to_unit (frame);
        new_unit_position -= shift;
        group->move (new_unit_position - unit_position, 0.0);
        frame_position = frame;
        unit_position = new_unit_position;
+
+       if (line) {
+               (*line_points)[0].set_x (unit_position + shift);
+               (*line_points)[1].set_x (unit_position + shift);
+               line->property_points() = *line_points;
+       }
 }
 
 void
@@ -306,19 +373,18 @@ Marker::hide ()
 void
 Marker::set_color_rgba (uint32_t color)
 {
-       mark->set_property ("fill_color_rgba", color);
+       mark->property_fill_color_rgba() = color;
 }
 
 /***********************************************************************/
 
 TempoMarker::TempoMarker (PublicEditor& editor, ArdourCanvas::Group& parent, guint32 rgba, const string& text, 
-                         ARDOUR::TempoSection& temp, 
-                         gint (*callback)(ArdourCanvas::Item *, GdkEvent *, gpointer))
-       : Marker (editor, parent, rgba, text, Tempo, callback, 0),
+                         ARDOUR::TempoSection& temp)
+       : Marker (editor, parent, rgba, text, Tempo, 0, false),
          _tempo (temp)
 {
        set_position (_tempo.frame());
-       group->set_data ("tempo_marker", this);
+       group->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_tempo_marker_event), mark, this));
 }
 
 TempoMarker::~TempoMarker ()
@@ -328,15 +394,15 @@ TempoMarker::~TempoMarker ()
 /***********************************************************************/
 
 MeterMarker::MeterMarker (PublicEditor& editor, ArdourCanvas::Group& parent, guint32 rgba, const string& text, 
-                         ARDOUR::MeterSection& m, 
-                         gint (*callback)(ArdourCanvas::Item *, GdkEvent *, gpointer))
-       : Marker (editor, parent, rgba, text, Meter, callback, 0),
+                         ARDOUR::MeterSection& m) 
+       : Marker (editor, parent, rgba, text, Meter, 0, false),
          _meter (m)
 {
        set_position (_meter.frame());
-       gtk_object_set_data (GTK_OBJECT(group), "meter_marker", this);
+       group->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_meter_marker_event), mark, this));
 }
 
 MeterMarker::~MeterMarker ()
 {
 }
+