fix MTDM test
[ardour.git] / gtk2_ardour / editor_summary.cc
index d86117a415f9d6340d15691d86a50fbe5d9c5e76..cc9f1a6783b683bd121f8fc60a0eac61a22b7e0c 100644 (file)
@@ -19,6 +19,9 @@
 
 #include "ardour/session.h"
 
+#include "canvas/debug.h"
+
+#include "ardour_ui.h"
 #include "time_axis_view.h"
 #include "streamview.h"
 #include "editor_summary.h"
@@ -52,16 +55,41 @@ EditorSummary::EditorSummary (Editor* e)
          _view_rectangle_x (0, 0),
          _view_rectangle_y (0, 0),
          _zoom_dragging (false),
-         _old_follow_playhead (false)
+         _old_follow_playhead (false),
+         _image (0),
+         _background_dirty (true)
 {
-       Region::RegionPropertyChanged.connect (region_property_connection, invalidator (*this), boost::bind (&CairoWidget::set_dirty, this), gui_context());
-       Route::RemoteControlIDChange.connect (route_ctrl_id_connection, invalidator (*this), boost::bind (&CairoWidget::set_dirty, this), gui_context());
-       _editor->playhead_cursor->PositionChanged.connect (position_connection, invalidator (*this), boost::bind (&EditorSummary::playhead_position_changed, this, _1), gui_context());
-
        add_events (Gdk::POINTER_MOTION_MASK|Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
        set_flags (get_flags() | Gtk::CAN_FOCUS);
+
+       ARDOUR_UI::config()->ParameterChanged.connect (sigc::mem_fun (*this, &EditorSummary::parameter_changed));
+}
+
+EditorSummary::~EditorSummary ()
+{
+       cairo_surface_destroy (_image);
 }
 
+void
+EditorSummary::parameter_changed (string p)
+{
+
+       if (p == "color-regions-using-track-color") {
+               set_background_dirty ();
+       }
+}
+
+/** Handle a size allocation.
+ *  @param alloc GTK allocation.
+ */
+void
+EditorSummary::on_size_allocate (Gtk::Allocation& alloc)
+{
+       CairoWidget::on_size_allocate (alloc);
+       set_background_dirty ();
+}
+
+
 /** Connect to a session.
  *  @param s Session.
  */
@@ -78,27 +106,29 @@ EditorSummary::set_session (Session* s)
         */
 
        if (_session) {
-               _session->StartTimeChanged.connect (_session_connections, invalidator (*this), boost::bind (&CairoWidget::set_dirty, this), gui_context());
-               _session->EndTimeChanged.connect (_session_connections, invalidator (*this), boost::bind (&CairoWidget::set_dirty, this), gui_context());
+               Region::RegionPropertyChanged.connect (region_property_connection, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context());
+               Route::RemoteControlIDChange.connect (route_ctrl_id_connection, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context());
+               _editor->playhead_cursor->PositionChanged.connect (position_connection, invalidator (*this), boost::bind (&EditorSummary::playhead_position_changed, this, _1), gui_context());
+               _session->StartTimeChanged.connect (_session_connections, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context());
+               _session->EndTimeChanged.connect (_session_connections, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context());
+               _editor->selection->RegionsChanged.connect (sigc::mem_fun(*this, &EditorSummary::set_background_dirty));
        }
 }
 
-/** Render the required regions to a cairo context.
- *  @param cr Context.
- */
 void
-EditorSummary::render (cairo_t* cr)
+EditorSummary::render_background_image ()
 {
-       /* background (really just the dividing lines between tracks */
+       cairo_surface_destroy (_image); // passing NULL is safe
+       _image = cairo_image_surface_create (CAIRO_FORMAT_RGB24, get_width (), get_height ());
+
+       cairo_t* cr = cairo_create (_image);
+
+       /* background (really just the dividing lines between tracks */
 
        cairo_set_source_rgb (cr, 0, 0, 0);
        cairo_rectangle (cr, 0, 0, get_width(), get_height());
        cairo_fill (cr);
 
-       if (_session == 0) {
-               return;
-       }
-
        /* compute start and end points for the summary */
 
        framecnt_t const session_length = _session->current_end_frame() - _session->current_start_frame ();
@@ -167,13 +197,39 @@ EditorSummary::render (cairo_t* cr)
        const double p = (_session->current_start_frame() - _start) * _x_scale;
        cairo_move_to (cr, p, 0);
        cairo_line_to (cr, p, get_height());
-       cairo_stroke (cr);
 
        double const q = (_session->current_end_frame() - _start) * _x_scale;
        cairo_move_to (cr, q, 0);
        cairo_line_to (cr, q, get_height());
        cairo_stroke (cr);
 
+       cairo_destroy (cr);
+}
+
+/** Render the required regions to a cairo context.
+ *  @param cr Context.
+ */
+void
+EditorSummary::render (cairo_t* cr, cairo_rectangle_t*)
+{
+
+       if (_session == 0) {
+               return;
+       }
+
+       if (!_image || _background_dirty) {
+               render_background_image ();
+               _background_dirty = false;
+       }
+
+       cairo_push_group (cr);
+       
+       /* Fill with the background image */
+
+       cairo_rectangle (cr, 0, 0, get_width(), get_height());
+       cairo_set_source_surface (cr, _image, 0, 0);
+       cairo_fill (cr);
+
        /* Render the view rectangle.  If there is an editor visual pending, don't update
           the view rectangle now --- wait until the expose event that we'll get after
           the visual change.  This prevents a flicker.
@@ -183,11 +239,9 @@ EditorSummary::render (cairo_t* cr)
                get_editor (&_view_rectangle_x, &_view_rectangle_y);
        }
 
-       cairo_move_to (cr, _view_rectangle_x.first, _view_rectangle_y.first);
-       cairo_line_to (cr, _view_rectangle_x.second, _view_rectangle_y.first);
-       cairo_line_to (cr, _view_rectangle_x.second, _view_rectangle_y.second);
-       cairo_line_to (cr, _view_rectangle_x.first, _view_rectangle_y.second);
-       cairo_line_to (cr, _view_rectangle_x.first, _view_rectangle_y.first);
+       int32_t width = _view_rectangle_x.second - _view_rectangle_x.first;
+       int32_t height = _view_rectangle_y.second - _view_rectangle_y.first;
+       cairo_rectangle (cr, _view_rectangle_x.first, _view_rectangle_y.first, width, height); 
        cairo_set_source_rgba (cr, 1, 1, 1, 0.25);
        cairo_fill_preserve (cr);
        cairo_set_line_width (cr, 1);
@@ -200,10 +254,12 @@ EditorSummary::render (cairo_t* cr)
        /* XXX: colour should be set from configuration file */
        cairo_set_source_rgba (cr, 1, 0, 0, 1);
 
-       const double ph= playhead_frame_to_position (_editor->playhead_cursor->current_frame);
+       const double ph= playhead_frame_to_position (_editor->playhead_cursor->current_frame());
        cairo_move_to (cr, ph, 0);
        cairo_line_to (cr, ph, get_height());
        cairo_stroke (cr);
+       cairo_pop_group_to_source (cr);
+       cairo_paint (cr);
        _last_playhead = ph;
 
 }
@@ -234,6 +290,13 @@ EditorSummary::render_region (RegionView* r, cairo_t* cr, double y) const
        cairo_stroke (cr);
 }
 
+void
+EditorSummary::set_background_dirty ()
+{
+       _background_dirty = true;
+       set_dirty ();
+}
+
 /** Set the summary so that just the overlays (viewbox, playhead etc.) will be re-rendered */
 void
 EditorSummary::set_overlays_dirty ()
@@ -316,7 +379,7 @@ EditorSummary::on_key_press_event (GdkEventKey* key)
                if (key->keyval == set_playhead_accel.accel_key && (int) key->state == set_playhead_accel.accel_mods) {
                        if (_session) {
                                get_pointer (x, y);
-                               _session->request_locate ((framepos_t) x / _x_scale, _session->transport_rolling());
+                               _session->request_locate (_start + (framepos_t) x / _x_scale, _session->transport_rolling());
                                return true;
                        }
                }
@@ -397,6 +460,8 @@ EditorSummary::on_button_press_event (GdkEventButton* ev)
                        _moved = false;
                        _editor->_dragging_playhead = true;
                        _editor->set_follow_playhead (false);
+
+                       ArdourCanvas::checkpoint ("sum", "------------------ summary move drag starts.\n");
                }
        }
 
@@ -432,11 +497,11 @@ EditorSummary::get_editor (pair<double, double>* x, pair<double, double>* y) con
 
                /* Otherwise query the editor for its actual position */
 
-               x->first = (_editor->leftmost_position () - _start) * _x_scale;
-               x->second = x->first + _editor->current_page_frames() * _x_scale;
+               x->first = (_editor->leftmost_sample () - _start) * _x_scale;
+               x->second = x->first + _editor->current_page_samples() * _x_scale;
                
                y->first = editor_y_to_summary (_editor->vertical_adjustment.get_value ());
-               y->second = editor_y_to_summary (_editor->vertical_adjustment.get_value () + _editor->canvas_height() - _editor->get_canvas_timebars_vsize());
+               y->second = editor_y_to_summary (_editor->vertical_adjustment.get_value () + _editor->visible_canvas_height() - _editor->get_trackview_group()->canvas_origin().y);
        }
 }
 
@@ -563,7 +628,7 @@ EditorSummary::on_motion_notify_event (GdkEventMotion* ev)
                }
 
                set_editor (x, y);
-               set_cursor (_start_position);
+               // set_cursor (_start_position);
 
        } else if (_zoom_dragging) {
 
@@ -623,45 +688,55 @@ EditorSummary::on_scroll_event (GdkEventScroll* ev)
        double x = xr.first;
        double y = yr.first;
 
-       double amount = 8;
-
-       if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
-               amount = 64;
-       } else if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
-               amount = 1;
-       }
-
-       if (Keyboard::modifier_state_equals (ev->state, Keyboard::SecondaryModifier)) {
-
-               /* secondary-wheel == left-right scrolling */
-
-               if (ev->direction == GDK_SCROLL_UP) {
-                       x -= amount;
-               } else if (ev->direction == GDK_SCROLL_DOWN) {
-                       x += amount;
-               }
-
-       } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
-
-               /* primary-wheel == zoom */
-               
-               if (ev->direction == GDK_SCROLL_UP) {
-                       _editor->temporal_zoom_step (false);
-               } else {
-                       _editor->temporal_zoom_step (true);
-               }
-
-       } else {
-
-               if (ev->direction == GDK_SCROLL_DOWN) {
-                       y += amount;
-               } else if (ev->direction == GDK_SCROLL_UP) {
-                       y -= amount;
-               } else if (ev->direction == GDK_SCROLL_LEFT) {
-                       x -= amount;
-               } else if (ev->direction == GDK_SCROLL_RIGHT) {
-                       x += amount;
-               }
+       switch (ev->direction) {
+               case GDK_SCROLL_UP:
+                       if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
+                               x -= 64;
+                       } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomHorizontalModifier)) {
+                               _editor->temporal_zoom_step (false);
+                       } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
+                               yr.first  += 4;
+                               yr.second -= 4;
+                               set_editor (xr, yr);
+                               return true;
+                       } else {
+                               y -= 8;
+                       }
+                       break;
+               case GDK_SCROLL_DOWN:
+                       if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollHorizontalModifier)) {
+                               x += 64;
+                       } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomHorizontalModifier)) {
+                               _editor->temporal_zoom_step (true);
+                       } else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ScrollZoomVerticalModifier)) {
+                               yr.first  -= 4;
+                               yr.second += 4;
+                               set_editor (xr, yr);
+                               return true;
+                       } else {
+                               y += 8;
+                       }
+                       break;
+               case GDK_SCROLL_LEFT:
+                       if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
+                               x -= 64;
+                       } else if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
+                               x -= 1;
+                       } else {
+                               x -= 8;
+                       }
+                       break;
+               case GDK_SCROLL_RIGHT:
+                       if (Keyboard::modifier_state_contains (ev->state, Keyboard::SecondaryModifier)) {
+                               x += 64;
+                       } else if (Keyboard::modifier_state_contains (ev->state, Keyboard::TertiaryModifier)) {
+                               x += 1;
+                       } else {
+                               x += 8;
+                       }
+                       break;
+               default:
+                       break;
        }
 
        set_editor (x, y);
@@ -676,7 +751,7 @@ EditorSummary::on_scroll_event (GdkEventScroll* ev)
 void
 EditorSummary::set_editor (double const x, double const y)
 {
-       if (_editor->pending_visual_change.idle_handler_id >= 0) {
+       if (_editor->pending_visual_change.idle_handler_id >= 0 && _editor->pending_visual_change.being_handled == true) {
 
                /* As a side-effect, the Editor's visual change idle handler processes
                   pending GTK events.  Hence this motion notify handler can be called
@@ -688,7 +763,7 @@ EditorSummary::set_editor (double const x, double const y)
                   as it also means that we won't change these variables if an idle handler
                   is merely pending but not executing.  But c'est la vie.
                */
-
+               
                return;
        }
 
@@ -774,7 +849,7 @@ EditorSummary::set_editor_x (pair<double, double> x)
                
                double const nx = (
                        ((x.second - x.first) / _x_scale) /
-                       _editor->frame_to_unit (_editor->current_page_frames())
+                       _editor->sample_to_pixel (_editor->current_page_samples())
                        );
                
                if (nx != _editor->get_current_zoom ()) {
@@ -791,10 +866,10 @@ void
 EditorSummary::set_editor_y (double const y)
 {
        double y1 = summary_y_to_editor (y);
-       double const eh = _editor->canvas_height() - _editor->get_canvas_timebars_vsize ();
+       double const eh = _editor->visible_canvas_height() - _editor->get_trackview_group()->canvas_origin().y;
        double y2 = y1 + eh;
 
-       double const full_editor_height = _editor->full_canvas_height - _editor->get_canvas_timebars_vsize();
+       double const full_editor_height = _editor->_full_canvas_height;
 
        if (y2 > full_editor_height) {
                y1 -= y2 - full_editor_height;
@@ -871,7 +946,7 @@ EditorSummary::set_editor_y (pair<double, double> const y)
        /* Height that we will use for scaling; use the whole editor height unless there are not
           enough tracks to fill it.
        */
-       double const ch = min (total_height, _editor->canvas_height() - _editor->get_canvas_timebars_vsize());
+       double const ch = min (total_height, _editor->visible_canvas_height());
 
        /* hence required scale factor of the complete tracks to fit the required y range;
           the amount of space they should take up divided by the amount they currently take up.
@@ -967,18 +1042,18 @@ EditorSummary::routes_added (list<RouteTimeAxisView*> const & r)
                (*i)->route()->gui_changed.connect (*this, invalidator (*this), boost::bind (&EditorSummary::route_gui_changed, this, _1), gui_context ());
                boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> ((*i)->route ());
                if (tr) {
-                       tr->PlaylistChanged.connect (*this, invalidator (*this), boost::bind (&CairoWidget::set_dirty, this), gui_context ());
+                       tr->PlaylistChanged.connect (*this, invalidator (*this), boost::bind (&EditorSummary::set_background_dirty, this), gui_context ());
                }
        }
 
-       set_dirty ();
+       set_background_dirty ();
 }
 
 void
 EditorSummary::route_gui_changed (string c)
 {
        if (c == "color") {
-               set_dirty ();
+               set_background_dirty ();
        }
 }