open un-writable sessions without complaining, and desensitize all/most actions that...
[ardour.git] / gtk2_ardour / region_view.cc
index b799a1aa5df788876cc4e592f916dec4cda7541a..47d0c38ef91a553d56b87b2be0e4a73afb3ab9b2 100644 (file)
@@ -15,7 +15,6 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: regionview.cc 691 2006-07-23 12:03:19Z drobilla $
 */
 
 #include <cmath>
@@ -25,6 +24,7 @@
 #include <gtkmm.h>
 
 #include <gtkmm2ext/gtk_ui.h>
+#include <pbd/stacktrace.h>
 
 #include <ardour/playlist.h>
 #include <ardour/audioregion.h>
@@ -44,6 +44,7 @@
 #include "utils.h"
 #include "rgb_macros.h"
 #include "gui_thread.h"
+#include "ardour_ui.h"
 
 #include "i18n.h"
 
@@ -61,39 +62,65 @@ RegionView::RegionView (ArdourCanvas::Group* parent,
                         TimeAxisView&        tv,
                         boost::shared_ptr<ARDOUR::Region> r,
                         double               spu,
-                        Gdk::Color&          basic_color)
-       : TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(),
+                        Gdk::Color&          basic_color
+                                               )
+       : TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), false,
                            TimeAxisViewItem::Visibility (TimeAxisViewItem::ShowNameText|
                                                          TimeAxisViewItem::ShowNameHighlight|
                                                          TimeAxisViewItem::ShowFrame))
          , _region (r)
          , sync_mark(0)
-         , no_wave_msg(0)
+         , sync_line(0)
          , editor(0)
          , current_visible_sync_position(0.0)
          , valid(false)
          , _pixel_width(1.0)
-         , _height(1.0)
          , in_destructor(false)
          , wait_for_data(false)
 {
 }
 
+RegionView::RegionView (const RegionView& other)
+       : TimeAxisViewItem (other)
+{
+       /* derived concrete type will call init () */
+
+       _region = other._region;
+       current_visible_sync_position = other.current_visible_sync_position;
+       valid = false;
+       _pixel_width = other._pixel_width;
+}
+
+RegionView::RegionView (const RegionView& other, boost::shared_ptr<Region> other_region)
+       : TimeAxisViewItem (other)
+{
+       /* this is a pseudo-copy constructor used when dragging regions 
+          around on the canvas.
+       */
+
+       /* derived concrete type will call init () */
+
+       _region = other_region;
+       current_visible_sync_position = other.current_visible_sync_position;
+       valid = false;
+       _pixel_width = other._pixel_width;
+}
+
 RegionView::RegionView (ArdourCanvas::Group*         parent, 
                         TimeAxisView&                tv,
                         boost::shared_ptr<ARDOUR::Region> r,
                         double                       spu,
                         Gdk::Color&                  basic_color,
+                                               bool recording,
                         TimeAxisViewItem::Visibility visibility)
-       : TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), visibility)
+       : TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), recording, visibility)
        , _region (r)
        , sync_mark(0)
-       , no_wave_msg(0)
+       , sync_line(0)
        , editor(0)
        , current_visible_sync_position(0.0)
        , valid(false)
        , _pixel_width(1.0)
-       , _height(1.0)
        , in_destructor(false)
        , wait_for_data(false)
 {
@@ -105,48 +132,32 @@ RegionView::init (Gdk::Color& basic_color, bool wfd)
        editor        = 0;
        valid         = true;
        in_destructor = false;
-       _height       = 0;
        wait_for_data = wfd;
+       sync_mark     = 0;
+       sync_line     = 0;
 
        compute_colors (basic_color);
 
-       name_highlight->set_data ("regionview", this);
-
-       if (name_text) {
-               name_text->set_data ("regionview", this);
+       if (name_highlight) {
+               name_highlight->set_data ("regionview", this);
+               name_highlight->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_highlight_event), name_highlight, this));
        }
 
-       /* an equilateral triangle */
-
-       ArdourCanvas::Points shape;
-       shape.push_back (Gnome::Art::Point (-((sync_mark_width-1)/2), 1));
-       shape.push_back (Gnome::Art::Point ((sync_mark_width - 1)/2, 1));
-       shape.push_back (Gnome::Art::Point (0, sync_mark_width - 1));
-       shape.push_back (Gnome::Art::Point (-((sync_mark_width-1)/2), 1));
-
-       sync_mark =  new ArdourCanvas::Polygon (*group);
-       sync_mark->property_points() = shape;
-       sync_mark->property_fill_color_rgba() = fill_color;
-       sync_mark->hide();
+       if (name_pixbuf) {
+               name_pixbuf->set_data ("regionview", this);
+       }
 
        reset_width_dependent_items ((double) _region->length() / samples_per_unit);
 
-       set_height (trackview.height);
-
-       region_muted ();
-       region_sync_changed ();
-       region_resized (BoundsChanged);
-       region_locked ();
+       set_height (trackview.current_height());
 
        _region->StateChanged.connect (mem_fun(*this, &RegionView::region_changed));
 
        group->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_event), group, this));
-       name_highlight->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_highlight_event), name_highlight, this));
 
        set_colors ();
 
-       ColorChanged.connect (mem_fun (*this, &RegionView::color_handler));
-
+       ColorsChanged.connect (mem_fun (*this, &RegionView::color_handler));
        /* XXX sync mark drag? */
 }
 
@@ -154,8 +165,6 @@ RegionView::~RegionView ()
 {
        in_destructor = true;
 
-       RegionViewGoingAway (this); /* EMIT_SIGNAL */
-
        for (vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
                delete *g;
        }
@@ -207,7 +216,8 @@ RegionView::region_changed (Change what_changed)
                region_sync_changed ();
        }
        if (what_changed & Region::LayerChanged) {
-               region_layered ();
+               // this is handled by the playlist i believe
+               //region_layered ();
        }
        if (what_changed & Region::LockChanged) {
                region_locked ();
@@ -236,8 +246,6 @@ RegionView::region_resized (Change what_changed)
 
                unit_length = _region->length() / samples_per_unit;
                
-               reset_width_dependent_items (unit_length);
-               
                for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
 
                        (*i)->set_duration (unit_length);
@@ -258,7 +266,7 @@ RegionView::region_layered ()
 {
        RouteTimeAxisView *rtv = dynamic_cast<RouteTimeAxisView*>(&get_time_axis_view());
        assert(rtv);
-       rtv->view()->region_layered (this);
+       //rtv->view()->region_layered (this);
 }
        
 void
@@ -361,6 +369,7 @@ RegionView::set_colors ()
        
        if (sync_mark) {
                sync_mark->property_fill_color_rgba() = fill_color;
+               sync_line->property_fill_color_rgba() = fill_color;
        }
 }
 
@@ -368,14 +377,26 @@ void
 RegionView::set_frame_color ()
 {
        if (_region->opaque()) {
-               fill_opacity = 180;
+               fill_opacity = 130;
        } else {
-               fill_opacity = 100;
+               fill_opacity = 0;
        }
 
        TimeAxisViewItem::set_frame_color ();
 }
 
+void
+RegionView::fake_set_opaque (bool yn)
+{
+       if (yn) {
+               fill_opacity = 130;
+       } else {
+               fill_opacity = 0;
+       }
+       
+       set_frame_color ();
+}
+
 void
 RegionView::hide_region_editor()
 {
@@ -407,20 +428,38 @@ RegionView::region_renamed ()
 
        set_item_name (str, this);
        set_name_text (str);
+       reset_width_dependent_items (_pixel_width);
 }
 
 void
 RegionView::region_sync_changed ()
 {
-       if (sync_mark == 0) {
-               return;
-       }
-
        int sync_dir;
        nframes_t sync_offset;
 
        sync_offset = _region->sync_offset (sync_dir);
 
+       if (sync_offset == 0) {
+               /* no need for a sync mark */
+               if (sync_mark) {
+                       sync_mark->hide();
+                       sync_line->hide ();
+               }
+               return;
+       }
+
+       if (!sync_mark) {
+
+               /* points set below */
+               
+               sync_mark =  new ArdourCanvas::Polygon (*group);
+               sync_mark->property_fill_color_rgba() = fill_color;
+
+               sync_line = new ArdourCanvas::Line (*group);
+               sync_line->property_fill_color_rgba() = fill_color;
+               sync_line->property_width_pixels() = 1;
+       }
+
        /* this has to handle both a genuine change of position, a change of samples_per_unit,
           and a change in the bounds of the _region->
         */
@@ -428,8 +467,9 @@ RegionView::region_sync_changed ()
        if (sync_offset == 0) {
 
                /* no sync mark - its the start of the region */
-
+               
                sync_mark->hide();
+               sync_line->hide ();
 
        } else {
 
@@ -438,6 +478,7 @@ RegionView::region_sync_changed ()
                        /* no sync mark - its out of the bounds of the region */
 
                        sync_mark->hide();
+                       sync_line->hide ();
 
                } else {
 
@@ -453,8 +494,14 @@ RegionView::region_sync_changed ()
                        points.push_back (Gnome::Art::Point (offset, sync_mark_width - 1));
                        points.push_back (Gnome::Art::Point (offset - ((sync_mark_width-1)/2), 1));     
                        sync_mark->property_points().set_value (points);
-                       sync_mark->show();
+                       sync_mark->show ();
 
+                       points.clear ();
+                       points.push_back (Gnome::Art::Point (offset, 0));
+                       points.push_back (Gnome::Art::Point (offset, _height - NAME_HIGHLIGHT_SIZE));
+
+                       sync_line->property_points().set_value (points);
+                       sync_line->show ();
                }
        }
 }
@@ -496,3 +543,18 @@ RegionView::get_fill_color ()
        return fill_color;
 }
 
+void
+RegionView::set_height (double h)
+{
+       if (sync_line) {
+               Points points;
+               int sync_dir;
+               nframes_t sync_offset;
+               sync_offset = _region->sync_offset (sync_dir);
+               double offset = sync_offset / samples_per_unit;
+
+               points.push_back (Gnome::Art::Point (offset, 0));
+               points.push_back (Gnome::Art::Point (offset, h - NAME_HIGHLIGHT_SIZE));
+               sync_line->property_points().set_value (points);
+       }
+}