add functionality for cut tool
[ardour.git] / gtk2_ardour / marker.cc
index 652a43657e1ebe273fe3765329d9d19c04f92541..af201286a9bd1f53997478ca92982a94ac33a781 100644 (file)
 #include "ardour/tempo.h"
 
 #include "canvas/rectangle.h"
-#include "canvas/group.h"
+#include "canvas/container.h"
 #include "canvas/line.h"
 #include "canvas/polygon.h"
 #include "canvas/text.h"
 #include "canvas/canvas.h"
+#include "canvas/scroll_group.h"
 #include "canvas/debug.h"
 
 #include "ardour_ui.h"
 
 using namespace std;
 using namespace ARDOUR;
+using namespace ARDOUR_UI_UTILS;
 using namespace Gtkmm2ext;
 
 PBD::Signal1<void,Marker*> Marker::CatchDeletion;
 
-Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, const string& annotation,
+static const double marker_height = 13.0;
+
+Marker::Marker (PublicEditor& ed, ArdourCanvas::Container& parent, guint32 rgba, const string& annotation,
                Type type, framepos_t frame, bool handle_events)
 
        : editor (ed)
        , _parent (&parent)
-       , _time_bars_line (0)
        , _track_canvas_line (0)
        , _type (type)
        , _selected (false)
@@ -76,7 +79,7 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
             |        V
            (0,5)    (6,5)
               \    /
-               (3,13)
+               (3,marker_height)
 
 
           TempoMark:
@@ -112,25 +115,25 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
 
              PunchIn:
 
-            0,0 ------> 13,0
+            0,0 ------> marker_height,0
              |       /
              |      /
              |     /
              |    /
              |   /
              |  /
-            0,13
+            0,marker_height
 
             PunchOut
 
-          0,0 -->-13,0
+          0,0 -->-marker_height,0
            \       |
             \      |
              \     |
               \    |
                \   |
                 \  |
-                13,13
+                marker_height,marker_height
 
 
        */
@@ -142,7 +145,7 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
                points->push_back (ArdourCanvas::Duple (0.0, 0.0));
                points->push_back (ArdourCanvas::Duple (6.0, 0.0));
                points->push_back (ArdourCanvas::Duple (6.0, 5.0));
-               points->push_back (ArdourCanvas::Duple (3.0, 13.0));
+               points->push_back (ArdourCanvas::Duple (3.0, marker_height));
                points->push_back (ArdourCanvas::Duple (0.0, 5.0));
                points->push_back (ArdourCanvas::Duple (0.0, 0.0));
 
@@ -171,30 +174,30 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
                points = new ArdourCanvas::Points ();
                points->push_back (ArdourCanvas::Duple (0.0, 0.0));
                points->push_back (ArdourCanvas::Duple (6.5, 6.5));
-               points->push_back (ArdourCanvas::Duple (0.0, 13.0));
+               points->push_back (ArdourCanvas::Duple (0.0, marker_height));
                points->push_back (ArdourCanvas::Duple (0.0, 0.0));
 
                _shift = 0;
-               _label_offset = 13.0;
+               _label_offset = marker_height;
                break;
 
        case SessionEnd:
        case RangeEnd:
                points = new ArdourCanvas::Points ();
                points->push_back (ArdourCanvas::Duple (6.5, 6.5));
-               points->push_back (ArdourCanvas::Duple (13.0, 0.0));
-               points->push_back (ArdourCanvas::Duple (13.0, 13.0));
+               points->push_back (ArdourCanvas::Duple (marker_height, 0.0));
+               points->push_back (ArdourCanvas::Duple (marker_height, marker_height));
                points->push_back (ArdourCanvas::Duple (6.5, 6.5));
 
-               _shift = 13;
+               _shift = marker_height;
                _label_offset = 6.0;
                break;
 
        case LoopStart:
                points = new ArdourCanvas::Points ();
                points->push_back (ArdourCanvas::Duple (0.0, 0.0));
-               points->push_back (ArdourCanvas::Duple (13.0, 13.0));
-               points->push_back (ArdourCanvas::Duple (0.0, 13.0));
+               points->push_back (ArdourCanvas::Duple (marker_height, marker_height));
+               points->push_back (ArdourCanvas::Duple (0.0, marker_height));
                points->push_back (ArdourCanvas::Duple (0.0, 0.0));
 
                _shift = 0;
@@ -203,24 +206,24 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
 
        case LoopEnd:
                points = new ArdourCanvas::Points ();
-               points->push_back (ArdourCanvas::Duple (13.0,  0.0));
-               points->push_back (ArdourCanvas::Duple (13.0, 13.0));
-               points->push_back (ArdourCanvas::Duple (0.0, 13.0));
-               points->push_back (ArdourCanvas::Duple (13.0, 0.0));
+               points->push_back (ArdourCanvas::Duple (marker_height,  0.0));
+               points->push_back (ArdourCanvas::Duple (marker_height, marker_height));
+               points->push_back (ArdourCanvas::Duple (0.0, marker_height));
+               points->push_back (ArdourCanvas::Duple (marker_height, 0.0));
 
-               _shift = 13;
+               _shift = marker_height;
                _label_offset = 0.0;
                break;
 
        case  PunchIn:
                points = new ArdourCanvas::Points ();
                points->push_back (ArdourCanvas::Duple (0.0, 0.0));
-               points->push_back (ArdourCanvas::Duple (13.0, 0.0));
-               points->push_back (ArdourCanvas::Duple (0.0, 13.0));
+               points->push_back (ArdourCanvas::Duple (marker_height, 0.0));
+               points->push_back (ArdourCanvas::Duple (0.0, marker_height));
                points->push_back (ArdourCanvas::Duple (0.0, 0.0));
 
                _shift = 0;
-               _label_offset = 13.0;
+               _label_offset = marker_height;
                break;
 
        case  PunchOut:
@@ -230,7 +233,7 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
                points->push_back (ArdourCanvas::Duple (12.0, 12.0));
                points->push_back (ArdourCanvas::Duple (0.0, 0.0));
 
-               _shift = 13;
+               _shift = marker_height;
                _label_offset = 0.0;
                break;
 
@@ -240,7 +243,7 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
        unit_position = editor.sample_to_pixel (frame);
        unit_position -= _shift;
 
-       group = new ArdourCanvas::Group (&parent, ArdourCanvas::Duple (unit_position, 0));
+       group = new ArdourCanvas::Container (&parent, ArdourCanvas::Duple (unit_position, 0));
 #ifdef CANVAS_DEBUG
        group->name = string_compose ("Marker::group for %1", annotation);
 #endif 
@@ -273,7 +276,7 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
        CANVAS_DEBUG_NAME (_name_item, string_compose ("Marker::_name_item for %1", annotation));
        _name_item->set_font_description (name_font);
        _name_item->set_color (RGBA_TO_UINT (0,0,0,255));
-       _name_item->set_position (ArdourCanvas::Duple (_label_offset, (13.0 / 2.0) - (name_height / 2.0) - 2.0));
+       _name_item->set_position (ArdourCanvas::Duple (_label_offset, (marker_height / 2.0) - (name_height / 2.0) - 2.0));
 
        set_name (annotation.c_str());
 
@@ -297,11 +300,10 @@ Marker::~Marker ()
 
        /* destroying the parent group destroys its contents, namely any polygons etc. that we added */
        delete group;
-       delete _time_bars_line;
        delete _track_canvas_line;
 }
 
-void Marker::reparent(ArdourCanvas::Group & parent)
+void Marker::reparent(ArdourCanvas::Container & parent)
 {
        group->reparent (&parent);
        _parent = &parent;
@@ -326,29 +328,16 @@ Marker::setup_line ()
 {
        if (_shown && (_selected || _line_shown)) {
 
-               if (_time_bars_line == 0) {
+               if (_track_canvas_line == 0) {
 
-                       _time_bars_line = new ArdourCanvas::Line (editor.get_time_bars_group());
-                       _time_bars_line->set_outline_color (ARDOUR_UI::config()->get_canvasvar_EditPoint());
-                       _time_bars_line->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), group, this));
-                       
-                       _track_canvas_line = new ArdourCanvas::Line (editor.get_track_canvas_group());
+                       _track_canvas_line = new ArdourCanvas::Line (editor.get_hscroll_group());
                        _track_canvas_line->set_outline_color (ARDOUR_UI::config()->get_canvasvar_EditPoint());
                        _track_canvas_line->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), group, this));
                }
 
-               ArdourCanvas::Duple g = group->item_to_canvas (ArdourCanvas::Duple (0, 0));
-               ArdourCanvas::Duple d = _time_bars_line->canvas_to_item (ArdourCanvas::Duple (g.x + _shift, 0));
+               ArdourCanvas::Duple g = group->canvas_origin();
+               ArdourCanvas::Duple d = _track_canvas_line->canvas_to_item (ArdourCanvas::Duple (g.x + _shift, 0));
 
-                _time_bars_line->set_x0 (d.x);
-                _time_bars_line->set_x1 (d.x);
-               _time_bars_line->set_y0 (d.y);
-               _time_bars_line->set_y1 (ArdourCanvas::COORD_MAX);
-               _time_bars_line->set_outline_color (_selected ? ARDOUR_UI::config()->get_canvasvar_EditPoint() : _color);
-               _time_bars_line->raise_to_top ();
-               _time_bars_line->show ();
-
-                d = _track_canvas_line->canvas_to_item (ArdourCanvas::Duple (g.x + _shift, 0));
                _track_canvas_line->set_x0 (d.x);
                _track_canvas_line->set_x1 (d.x);
                _track_canvas_line->set_y0 (d.y);
@@ -358,8 +347,7 @@ Marker::setup_line ()
                _track_canvas_line->show ();
 
        } else {
-               if (_time_bars_line) {
-                       _time_bars_line->hide ();
+               if (_track_canvas_line) {
                        _track_canvas_line->hide ();
                }
        }
@@ -408,28 +396,29 @@ Marker::setup_name_display ()
        int name_width = min ((double) pixel_width (_name, name_font) + 2, limit);
 
        if (name_width == 0) {
-               name_width = 1;
-       }
-
-       if (label_on_left ()) {
-               _name_item->set_x_position (-name_width);
-       }
-
-       _name_item->set (_name);
-
-       // CAIROCANVAS
-       // need to "clip" name to name_width and name_height
-
-       if (label_on_left ()) {
-               _name_background->set_x0 (_name_item->position().x - 2);
-               _name_background->set_x1 (_name_item->position().x + name_width + _shift);
+               _name_item->hide ();
        } else {
-               _name_background->set_x0 (_name_item->position().x - _label_offset + 2);
-               _name_background->set_x1 (_name_item->position().x + name_width);
+               _name_item->show ();
+
+               if (label_on_left ()) {
+                       _name_item->set_x_position (-name_width);
+               }
+                       
+               _name_item->clamp_width (name_width);
+               _name_item->set (_name);
+               
+               if (label_on_left ()) {
+                       _name_background->set_x0 (_name_item->position().x - 2);
+                       _name_background->set_x1 (_name_item->position().x + name_width + _shift);
+               } else {
+                       _name_background->set_x0 (_name_item->position().x - _label_offset + 2);
+                       _name_background->set_x1 (_name_item->position().x + name_width);
+               }
        }
 
        _name_background->set_y0 (0);
-       _name_background->set_y1 (13);
+       /* unfortunate hard coding - this has to * match the marker bars height */
+       _name_background->set_y1 (marker_height + 1.0); 
 }
 
 void
@@ -472,8 +461,7 @@ Marker::set_color_rgba (uint32_t c)
        mark->set_fill_color (_color);
        mark->set_outline_color (_color);
 
-       if (_time_bars_line && !_selected) {
-               _time_bars_line->set_outline_color (_color);
+       if (_track_canvas_line && !_selected) {
                _track_canvas_line->set_outline_color (_color);
        }
 
@@ -487,7 +475,7 @@ void
 Marker::set_left_label_limit (double p)
 {
        /* Account for the size of the marker */
-       _left_label_limit = p - 13;
+       _left_label_limit = p - marker_height;
        if (_left_label_limit < 0) {
                _left_label_limit = 0;
        }
@@ -502,7 +490,7 @@ void
 Marker::set_right_label_limit (double p)
 {
        /* Account for the size of the marker */
-       _right_label_limit = p - 13;
+       _right_label_limit = p - marker_height;
        if (_right_label_limit < 0) {
                _right_label_limit = 0;
        }
@@ -514,7 +502,7 @@ Marker::set_right_label_limit (double p)
 
 /***********************************************************************/
 
-TempoMarker::TempoMarker (PublicEditor& editor, ArdourCanvas::Group& parent, guint32 rgba, const string& text,
+TempoMarker::TempoMarker (PublicEditor& editor, ArdourCanvas::Container& parent, guint32 rgba, const string& text,
                          ARDOUR::TempoSection& temp)
        : Marker (editor, parent, rgba, text, Tempo, 0, false),
          _tempo (temp)
@@ -529,7 +517,7 @@ TempoMarker::~TempoMarker ()
 
 /***********************************************************************/
 
-MeterMarker::MeterMarker (PublicEditor& editor, ArdourCanvas::Group& parent, guint32 rgba, const string& text,
+MeterMarker::MeterMarker (PublicEditor& editor, ArdourCanvas::Container& parent, guint32 rgba, const string& text,
                          ARDOUR::MeterSection& m)
        : Marker (editor, parent, rgba, text, Meter, 0, false),
          _meter (m)