add functionality for cut tool
[ardour.git] / gtk2_ardour / marker.cc
index 2492d1a3486d86aa1489cf690a73ed48ec9f3e9f..af201286a9bd1f53997478ca92982a94ac33a781 100644 (file)
 #include <sigc++/bind.h>
 #include "ardour/tempo.h"
 
+#include "canvas/rectangle.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"
 /*
  * ardour_ui.h include was moved to the top of the list
@@ -30,9 +39,6 @@
 #include "marker.h"
 #include "public_editor.h"
 #include "utils.h"
-#include "canvas_impl.h"
-#include "simpleline.h"
-#include "simplerect.h"
 #include "rgb_macros.h"
 
 #include <gtkmm2ext/utils.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)
-       , _line (0)
+       , _track_canvas_line (0)
        , _type (type)
        , _selected (false)
        , _shown (false)
        , _line_shown (false)
-       , _canvas_height (0)
        , _color (rgba)
        , _left_label_limit (DBL_MAX)
        , _right_label_limit (DBL_MAX)
@@ -71,7 +79,7 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
             |        V
            (0,5)    (6,5)
               \    /
-               (3,13)
+               (3,marker_height)
 
 
           TempoMark:
@@ -107,25 +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
 
 
        */
@@ -134,12 +142,12 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
        case Mark:
                points = new ArdourCanvas::Points ();
 
-               points->push_back (Gnome::Art::Point (0.0, 0.0));
-               points->push_back (Gnome::Art::Point (6.0, 0.0));
-               points->push_back (Gnome::Art::Point (6.0, 5.0));
-               points->push_back (Gnome::Art::Point (3.0, 13.0));
-               points->push_back (Gnome::Art::Point (0.0, 5.0));
-               points->push_back (Gnome::Art::Point (0.0, 0.0));
+               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, marker_height));
+               points->push_back (ArdourCanvas::Duple (0.0, 5.0));
+               points->push_back (ArdourCanvas::Duple (0.0, 0.0));
 
                _shift = 3;
                _label_offset = 8.0;
@@ -149,12 +157,12 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
        case Meter:
 
                points = new ArdourCanvas::Points ();
-               points->push_back (Gnome::Art::Point (3.0, 0.0));
-               points->push_back (Gnome::Art::Point (6.0, 5.0));
-               points->push_back (Gnome::Art::Point (6.0, 10.0));
-               points->push_back (Gnome::Art::Point (0.0, 10.0));
-               points->push_back (Gnome::Art::Point (0.0, 5.0));
-               points->push_back (Gnome::Art::Point (3.0, 0.0));
+               points->push_back (ArdourCanvas::Duple (3.0, 0.0));
+               points->push_back (ArdourCanvas::Duple (6.0, 5.0));
+               points->push_back (ArdourCanvas::Duple (6.0, 10.0));
+               points->push_back (ArdourCanvas::Duple (0.0, 10.0));
+               points->push_back (ArdourCanvas::Duple (0.0, 5.0));
+               points->push_back (ArdourCanvas::Duple (3.0, 0.0));
 
                _shift = 3;
                _label_offset = 8.0;
@@ -164,33 +172,33 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
        case RangeStart:
 
                points = new ArdourCanvas::Points ();
-               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));
+               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, 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 (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));
+               points->push_back (ArdourCanvas::Duple (6.5, 6.5));
+               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 (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));
+               points->push_back (ArdourCanvas::Duple (0.0, 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 (0.0, 0.0));
 
                _shift = 0;
                _label_offset = 12.0;
@@ -198,54 +206,60 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
 
        case LoopEnd:
                points = new ArdourCanvas::Points ();
-               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));
+               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 (Gnome::Art::Point (0.0, 0.0));
-               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));
+               points->push_back (ArdourCanvas::Duple (0.0, 0.0));
+               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:
                points = new ArdourCanvas::Points ();
-               points->push_back (Gnome::Art::Point (0.0, 0.0));
-               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));
+               points->push_back (ArdourCanvas::Duple (0.0, 0.0));
+               points->push_back (ArdourCanvas::Duple (12.0, 0.0));
+               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;
 
        }
 
        frame_position = frame;
-       unit_position = editor.frame_to_unit (frame);
+       unit_position = editor.sample_to_pixel (frame);
        unit_position -= _shift;
 
-       group = new Group (parent, 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 
 
-       _name_background = new ArdourCanvas::SimpleRect (*group);
-       _name_background->property_outline_pixels() = 1;
+       _name_background = new ArdourCanvas::Rectangle (group);
+#ifdef CANVAS_DEBUG
+       _name_background->name = string_compose ("Marker::_name_background for %1", annotation);
+#endif 
 
        /* adjust to properly locate the tip */
 
-       mark = new ArdourCanvas::Polygon (*group);
-       mark->property_points() = *points;
+       mark = new ArdourCanvas::Polygon (group);
+       CANVAS_DEBUG_NAME (mark, string_compose ("Marker::mark for %1", annotation));
+
+       mark->set (*points);
        set_color_rgba (rgba);
-       mark->property_width_pixels() = 1;
 
        /* setup name pixbuf sizes */
        name_font = get_font_for_style (N_("MarkerText"));
@@ -257,37 +271,41 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
 
        layout->set_font_description (name_font);
        Gtkmm2ext::get_ink_pixel_size (layout, width, name_height);
-
-       name_pixbuf = new ArdourCanvas::Pixbuf(*group);
-       name_pixbuf->property_x() = _label_offset;
-       name_pixbuf->property_y() = (13/2) - (name_height/2);
+       
+       _name_item = new ArdourCanvas::Text (group);
+       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, (marker_height / 2.0) - (name_height / 2.0) - 2.0));
 
        set_name (annotation.c_str());
 
        editor.ZoomChanged.connect (sigc::mem_fun (*this, &Marker::reposition));
 
-       mark->set_data ("marker", this);
-       _name_background->set_data ("marker", this);
+       /* events will be handled by both the group and the mark itself, so
+        * make sure they can both be used to lookup this object.
+        */
 
+       group->set_data ("marker", this);
+       mark->set_data ("marker", this);
+       
        if (handle_events) {
-               group->signal_event().connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), mark, this));
+               group->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), group, this));
        }
-
 }
 
-
 Marker::~Marker ()
 {
        CatchDeletion (this); /* EMIT SIGNAL */
 
        /* destroying the parent group destroys its contents, namely any polygons etc. that we added */
        delete group;
-       delete _line;
+       delete _track_canvas_line;
 }
 
-void Marker::reparent(ArdourCanvas::Group & parent)
+void Marker::reparent(ArdourCanvas::Container & parent)
 {
-       group->reparent (parent);
+       group->reparent (&parent);
        _parent = &parent;
 }
 
@@ -310,32 +328,27 @@ Marker::setup_line ()
 {
        if (_shown && (_selected || _line_shown)) {
 
-               if (_line == 0) {
-
-                       _line = new ArdourCanvas::SimpleLine (*group);
-                       _line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_EditPoint.get();
+               if (_track_canvas_line == 0) {
 
-                       _line->signal_event().connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), mark, this));
+                       _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));
                }
 
-                /* work out where to start the line from so that it extends from the top of the canvas */
-               double yo = 0;
-                double xo = 0;
+               ArdourCanvas::Duple g = group->canvas_origin();
+               ArdourCanvas::Duple d = _track_canvas_line->canvas_to_item (ArdourCanvas::Duple (g.x + _shift, 0));
 
-                _line->i2w (xo, yo);
-
-                _line->property_x1() = _shift;
-                _line->property_x2() = _shift;
-               _line->property_y1() = -yo; // zero in world coordinates, negative in item/parent coordinate space
-               _line->property_y2() = -yo + _canvas_height;
-
-               _line->property_color_rgba() = _selected ? ARDOUR_UI::config()->canvasvar_EditPoint.get() : _color;
-               _line->raise_to_top ();
-               _line->show ();
+               _track_canvas_line->set_x0 (d.x);
+               _track_canvas_line->set_x1 (d.x);
+               _track_canvas_line->set_y0 (d.y);
+               _track_canvas_line->set_y1 (ArdourCanvas::COORD_MAX);
+               _track_canvas_line->set_outline_color (_selected ? ARDOUR_UI::config()->get_canvasvar_EditPoint() : _color);
+               _track_canvas_line->raise_to_top ();
+               _track_canvas_line->show ();
 
        } else {
-               if (_line) {
-                       _line->hide ();
+               if (_track_canvas_line) {
+                       _track_canvas_line->hide ();
                }
        }
 }
@@ -350,7 +363,7 @@ Marker::canvas_height_set (double h)
 ArdourCanvas::Item&
 Marker::the_item() const
 {
-       return *mark;
+       return *group;
 }
 
 void
@@ -381,36 +394,40 @@ Marker::setup_name_display ()
 
        /* Work out how wide the name can be */
        int name_width = min ((double) pixel_width (_name, name_font) + 2, limit);
-       if (name_width == 0) {
-               name_width = 1;
-       }
-
-       if (label_on_left ()) {
-               name_pixbuf->property_x() = -name_width;
-       }
-
-       name_pixbuf->property_pixbuf() = pixbuf_from_string (_name, name_font, name_width, name_height, Gdk::Color ("#000000"));
 
-       if (label_on_left ()) {
-               _name_background->property_x1() = name_pixbuf->property_x() - 2;
-               _name_background->property_x2() = name_pixbuf->property_x() + name_width + _shift;
+       if (name_width == 0) {
+               _name_item->hide ();
        } else {
-               _name_background->property_x1() = name_pixbuf->property_x() - _label_offset + 2;
-               _name_background->property_x2() = name_pixbuf->property_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->property_y1() = 0;
-       _name_background->property_y2() = 13;
+       _name_background->set_y0 (0);
+       /* unfortunate hard coding - this has to * match the marker bars height */
+       _name_background->set_y1 (marker_height + 1.0); 
 }
 
 void
 Marker::set_position (framepos_t frame)
 {
-       double new_unit_position = editor.frame_to_unit (frame);
-       new_unit_position -= _shift;
-       group->move (new_unit_position - unit_position, 0.0);
+       unit_position = editor.sample_to_pixel (frame) - _shift;
+       group->set_x_position (unit_position);
+       setup_line ();
        frame_position = frame;
-       unit_position = new_unit_position;
 }
 
 void
@@ -441,16 +458,16 @@ void
 Marker::set_color_rgba (uint32_t c)
 {
        _color = c;
-       mark->property_fill_color_rgba() = _color;
-       mark->property_outline_color_rgba() = _color;
+       mark->set_fill_color (_color);
+       mark->set_outline_color (_color);
 
-       if (_line && !_selected) {
-               _line->property_color_rgba() = _color;
+       if (_track_canvas_line && !_selected) {
+               _track_canvas_line->set_outline_color (_color);
        }
 
-       _name_background->property_fill() = true;
-       _name_background->property_fill_color_rgba() = UINT_RGBA_CHANGE_A (_color, 0x70);
-       _name_background->property_outline_color_rgba() = _color;
+       _name_background->set_fill (true);
+       _name_background->set_fill_color (UINT_RGBA_CHANGE_A (_color, 0x70));
+       _name_background->set_outline_color (_color);
 }
 
 /** Set the number of pixels that are available for a label to the left of the centre of this marker */
@@ -458,7 +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;
        }
@@ -473,7 +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;
        }
@@ -485,13 +502,13 @@ 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)
 {
        set_position (_tempo.frame());
-       group->signal_event().connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_tempo_marker_event), mark, this));
+       group->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_tempo_marker_event), group, this));
 }
 
 TempoMarker::~TempoMarker ()
@@ -500,13 +517,13 @@ 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)
 {
        set_position (_meter.frame());
-       group->signal_event().connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_meter_marker_event), mark, this));
+       group->Event.connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_meter_marker_event), group, this));
 }
 
 MeterMarker::~MeterMarker ()