Merge branch 'master' into windows
[ardour.git] / gtk2_ardour / marker.cc
index 9e77d0c9e733e10c24021ab2827de3b8edd80ecd..2492d1a3486d86aa1489cf690a73ed48ec9f3e9f 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2001 Paul Davis 
+    Copyright (C) 2001 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 */
 
 #include <sigc++/bind.h>
-#include <ardour/tempo.h>
+#include "ardour/tempo.h"
+
+#include "ardour_ui.h"
+/*
+ * ardour_ui.h include was moved to the top of the list
+ * due to a conflicting definition of 'Rect' between
+ * Apple's MacTypes.h and GTK.
+ */
 
 #include "marker.h"
 #include "public_editor.h"
 #include "utils.h"
 #include "canvas_impl.h"
-#include "ardour_ui.h"
 #include "simpleline.h"
+#include "simplerect.h"
+#include "rgb_macros.h"
+
+#include <gtkmm2ext/utils.h>
 
 #include "i18n.h"
 
+using namespace std;
 using namespace ARDOUR;
+using namespace Gtkmm2ext;
+
+PBD::Signal1<void,Marker*> Marker::CatchDeletion;
+
+Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, const string& annotation,
+               Type type, framepos_t frame, bool handle_events)
+
+       : editor (ed)
+       , _parent (&parent)
+       , _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)
+       , _label_offset (0)
 
-Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, const string& annotation, 
-               Type type, nframes_t frame, bool handle_events)
-
-       : editor (ed), _parent(&parent), _type(type)
 {
-       double label_offset = 0;
-       bool annotate_left = false;
-
        /* Shapes we use:
 
          Mark:
@@ -47,8 +70,8 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
             ^        |
             |        V
            (0,5)    (6,5)
-              \    / 
-               (3,10)
+              \    /
+               (3,13)
 
 
           TempoMark:
@@ -64,17 +87,17 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
 
            Start:
 
-          0,0\ 
-                   |  \        
+          0,0\
+                   |  \
             |   \ 6,6
            |   /
             |  /
-           0,12 
+           0,12
 
           End:
 
               /12,0
-             /     | 
+             /     |
              /      |
           6,6      |
              \      |
@@ -82,51 +105,29 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
                \    |
               12,12
 
-            
-          TransportStart:
-
-            0,0
-             | \ 
-             |  \ 
-             |   \ 
-             |    \
-             |     \  
-            0,13 --- 13,13
-
-          TransportEnd:
-
-                   /13,0
-                  /   |
-                 /    |
-                /     |
-               /      |
-              /       |
-            0,13 ------ 13,13
-            
-
-            PunchIn:
+             PunchIn:
 
             0,0 ------> 13,0
              |       /
              |      /
              |     /
-             |    / 
-             |   / 
-             |  / 
+             |    /
+             |   /
+             |  /
             0,13
 
             PunchOut
 
           0,0 -->-13,0
-           \       | 
+           \       |
             \      |
              \     |
               \    |
                \   |
                 \  |
                 13,13
-            
-          
+
+
        */
 
        switch (type) {
@@ -136,12 +137,12 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
                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, 10.0));              
-               points->push_back (Gnome::Art::Point (0.0, 5.0));               
-               points->push_back (Gnome::Art::Point (0.0, 0.0));               
-               
-               shift = 3;
-               label_offset = 8.0;
+               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));
+
+               _shift = 3;
+               _label_offset = 8.0;
                break;
 
        case Tempo:
@@ -149,195 +150,201 @@ Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, con
 
                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));               
-
-               shift = 3;
-               label_offset = 8.0;
+               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));
+
+               _shift = 3;
+               _label_offset = 8.0;
                break;
 
-       case Start:
+       case SessionStart:
+       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 (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 = 0;
-               label_offset = 13.0;
+               _shift = 0;
+               _label_offset = 13.0;
                break;
 
-       case End:
+       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));               
-               
-               shift = 13;
-               label_offset = 6.0;
-               annotate_left = true;
+               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 = 13;
+               _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));               
-               
-               shift = 0;
-               label_offset = 12.0;
+               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 = 12.0;
                break;
 
        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, 13.0));
+               points->push_back (Gnome::Art::Point (0.0, 13.0));
                points->push_back (Gnome::Art::Point (13.0, 0.0));
-               
-               shift = 13;
-               label_offset = 0.0;
-               annotate_left = true;
+
+               _shift = 13;
+               _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 (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 = 13.0;
+               _shift = 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 (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 (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 = 13;
-               label_offset = 0.0;
-               annotate_left = true;
+               _shift = 13;
+               _label_offset = 0.0;
                break;
-               
+
        }
 
        frame_position = frame;
        unit_position = editor.frame_to_unit (frame);
+       unit_position -= _shift;
 
-       /* adjust to properly locate the tip */
+       group = new Group (parent, unit_position, 0);
 
-       unit_position -= shift;
+       _name_background = new ArdourCanvas::SimpleRect (*group);
+       _name_background->property_outline_pixels() = 1;
 
-       group = new Group (parent, unit_position, 1.0);
+       /* adjust to properly locate the tip */
 
-       mark = new Polygon (*group);
+       mark = new ArdourCanvas::Polygon (*group);
        mark->property_points() = *points;
-       mark->property_fill_color_rgba() = rgba;
-       mark->property_outline_color_rgba() = rgba;
+       set_color_rgba (rgba);
        mark->property_width_pixels() = 1;
-       Pango::FontDescription* font = get_font_for_style (N_("MarkerText"));
-       //cerr << " font->get_size() = " << font->get_size() << " is_absolute = " << pango_font_description_get_size_is_absolute(font->gobj()) << " to_string = " << font->to_string() << endl;
-       text = new Text (*group);
-       text->property_font_desc() = *font;
-       text->property_text() = annotation.c_str();
-
-       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));
+       /* setup name pixbuf sizes */
+       name_font = get_font_for_style (N_("MarkerText"));
+
+       Gtk::Label foo;
+
+       Glib::RefPtr<Pango::Layout> layout = foo.create_pango_layout (X_("Hg")); /* ascender + descender */
+       int width;
+
+       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);
+
+       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);
 
        if (handle_events) {
-               group->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_marker_event), mark, this));
+               group->signal_event().connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), mark, this));
        }
 
-       line = 0;
-
 }
 
 
 Marker::~Marker ()
 {
-       drop_references ();
+       CatchDeletion (this); /* EMIT SIGNAL */
 
        /* destroying the parent group destroys its contents, namely any polygons etc. that we added */
-       delete text;
-       delete mark;
-       delete points;
-
-       if (line) {
-               delete line;
-               line = 0;
-       }
+       delete group;
+       delete _line;
 }
 
 void Marker::reparent(ArdourCanvas::Group & parent)
 {
-       group->reparent(parent);
+       group->reparent (parent);
        _parent = &parent;
 }
 
+void
+Marker::set_selected (bool s)
+{
+       _selected = s;
+       setup_line ();
+}
 
 void
-Marker::set_line_vpos (double pos, double height)
+Marker::set_show_line (bool s)
 {
-       if (line) {
-               line->property_y1() = pos;
-               line->property_y2() = pos + height;
-       }
+       _line_shown = s;
+       setup_line ();
 }
 
 void
-Marker::add_line (ArdourCanvas::Group* group, double y_origin, double initial_height)
+Marker::setup_line ()
 {
-       if (!line) {
+       if (_shown && (_selected || _line_shown)) {
 
-               line = new ArdourCanvas::SimpleLine (*group);
-               line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_EditPoint.get();
-               line->property_x1() = unit_position + shift;
-               line->property_y1() = y_origin;
-               line->property_x2() = unit_position + shift;
-               line->property_y2() = y_origin + initial_height;
+               if (_line == 0) {
 
-               line->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_marker_event), mark, this));
-       }
+                       _line = new ArdourCanvas::SimpleLine (*group);
+                       _line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_EditPoint.get();
 
-       show_line ();
-}
+                       _line->signal_event().connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_marker_event), mark, this));
+               }
 
-void
-Marker::show_line ()
-{
-       if (line) {
-               line->raise_to_top();
-               line->show ();
+                /* work out where to start the line from so that it extends from the top of the canvas */
+               double yo = 0;
+                double xo = 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 ();
+
+       } else {
+               if (_line) {
+                       _line->hide ();
+               }
        }
 }
 
-void 
-Marker::hide_line ()
+void
+Marker::canvas_height_set (double h)
 {
-       if (line) {
-               line->hide ();
-       }
+       _canvas_height = h;
+       setup_line ();
 }
 
 ArdourCanvas::Item&
@@ -347,63 +354,144 @@ Marker::the_item() const
 }
 
 void
-Marker::set_name (const string& name)
+Marker::set_name (const string& new_name)
+{
+       _name = new_name;
+
+       setup_name_display ();
+}
+
+/** @return true if our label is on the left of the mark, otherwise false */
+bool
+Marker::label_on_left () const
+{
+       return (_type == SessionEnd || _type == RangeEnd || _type == LoopEnd || _type == PunchOut);
+}
+
+void
+Marker::setup_name_display ()
 {
-       text->property_text() = name.c_str();
-       if (_type == End) {
-         text->property_x() = -(text->property_text_width());
+       double limit = DBL_MAX;
+
+       if (label_on_left ()) {
+               limit = _left_label_limit;
+       } else {
+               limit = _right_label_limit;
        }
+
+       /* 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;
+       } else {
+               _name_background->property_x1() = name_pixbuf->property_x() - _label_offset + 2;
+               _name_background->property_x2() = name_pixbuf->property_x() + name_width;
+       }
+
+       _name_background->property_y1() = 0;
+       _name_background->property_y2() = 13;
 }
 
 void
-Marker::set_position (nframes_t frame)
+Marker::set_position (framepos_t frame)
 {
        double new_unit_position = editor.frame_to_unit (frame);
-       new_unit_position -= shift;
+       new_unit_position -= _shift;
        group->move (new_unit_position - unit_position, 0.0);
        frame_position = frame;
        unit_position = new_unit_position;
-
-       if (line) {
-               line->property_x1() = unit_position + shift;
-               line->property_x2() = unit_position + shift;
-       }
 }
 
 void
 Marker::reposition ()
 {
        set_position (frame_position);
-}      
+}
 
 void
 Marker::show ()
 {
-        group->show();
+       _shown = true;
+
+        group->show ();
+       setup_line ();
 }
 
 void
 Marker::hide ()
 {
-       group->hide();
+       _shown = false;
+
+       group->hide ();
+       setup_line ();
 }
 
 void
-Marker::set_color_rgba (uint32_t color)
+Marker::set_color_rgba (uint32_t c)
 {
-       mark->property_fill_color_rgba() = color;
-       mark->property_outline_color_rgba() = color;
+       _color = c;
+       mark->property_fill_color_rgba() = _color;
+       mark->property_outline_color_rgba() = _color;
+
+       if (_line && !_selected) {
+               _line->property_color_rgba() = _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;
+}
+
+/** Set the number of pixels that are available for a label to the left of the centre of this marker */
+void
+Marker::set_left_label_limit (double p)
+{
+       /* Account for the size of the marker */
+       _left_label_limit = p - 13;
+       if (_left_label_limit < 0) {
+               _left_label_limit = 0;
+       }
+
+       if (label_on_left ()) {
+               setup_name_display ();
+       }
+}
+
+/** Set the number of pixels that are available for a label to the right of the centre of this marker */
+void
+Marker::set_right_label_limit (double p)
+{
+       /* Account for the size of the marker */
+       _right_label_limit = p - 13;
+       if (_right_label_limit < 0) {
+               _right_label_limit = 0;
+       }
+
+       if (!label_on_left ()) {
+               setup_name_display ();
+       }
 }
 
 /***********************************************************************/
 
-TempoMarker::TempoMarker (PublicEditor& editor, ArdourCanvas::Group& parent, guint32 rgba, const string& text, 
+TempoMarker::TempoMarker (PublicEditor& editor, ArdourCanvas::Group& 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 (bind (mem_fun (editor, &PublicEditor::canvas_tempo_marker_event), mark, this));
+       group->signal_event().connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_tempo_marker_event), mark, this));
 }
 
 TempoMarker::~TempoMarker ()
@@ -412,13 +500,13 @@ TempoMarker::~TempoMarker ()
 
 /***********************************************************************/
 
-MeterMarker::MeterMarker (PublicEditor& editor, ArdourCanvas::Group& parent, guint32 rgba, const string& text, 
-                         ARDOUR::MeterSection& m) 
+MeterMarker::MeterMarker (PublicEditor& editor, ArdourCanvas::Group& 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 (bind (mem_fun (editor, &PublicEditor::canvas_meter_marker_event), mark, this));
+       group->signal_event().connect (sigc::bind (sigc::mem_fun (editor, &PublicEditor::canvas_meter_marker_event), mark, this));
 }
 
 MeterMarker::~MeterMarker ()