::find_next_event() does not need to be a pure virtual in ControlSet (it can originat...
[ardour.git] / gtk2_ardour / editor_canvas.cc
index f847a3f70722f329a84027ea7801a570a45cbedc..56571c3de886e7c36d52c6fd0bd69f784bb3c820 100644 (file)
@@ -73,6 +73,7 @@ Editor::initialize_canvas ()
        _track_canvas = _track_canvas_viewport->canvas ();
 
        _track_canvas->set_background_color (UIConfiguration::instance().color ("arrange base"));
+       _track_canvas->use_nsglview ();
 
        /* scroll group for items that should not automatically scroll
         *  (e.g verbose cursor). It shares the canvas coordinate space.
@@ -126,7 +127,7 @@ Editor::initialize_canvas ()
         * uppermost (last) group with hv_scroll_group as a parent
         */
        _drag_motion_group = new ArdourCanvas::Container (hv_scroll_group);
-        CANVAS_DEBUG_NAME (_drag_motion_group, "Canvas Drag Motion");
+       CANVAS_DEBUG_NAME (_drag_motion_group, "Canvas Drag Motion");
 
        /* TIME BAR CANVAS */
 
@@ -173,7 +174,7 @@ Editor::initialize_canvas ()
 
        cd_marker_bar = new ArdourCanvas::Rectangle (cd_marker_group, ArdourCanvas::Rect (0.0, 0.0, ArdourCanvas::COORD_MAX, timebar_height));
        CANVAS_DEBUG_NAME (cd_marker_bar, "CD Marker Bar");
-       cd_marker_bar->set_outline_what (ArdourCanvas::Rectangle::BOTTOM);
+       cd_marker_bar->set_outline_what (ArdourCanvas::Rectangle::BOTTOM);
 
        ARDOUR_UI::instance()->video_timeline = new VideoTimeLine(this, videotl_group, (timebar_height * videotl_bar_height));
 
@@ -240,6 +241,8 @@ Editor::initialize_canvas ()
        _track_canvas->signal_enter_notify_event().connect (sigc::mem_fun(*this, &Editor::entered_track_canvas), false);
        _track_canvas->set_flags (CAN_FOCUS);
 
+       _track_canvas->PreRender.connect (sigc::mem_fun(*this, &Editor::pre_render));
+
        /* set up drag-n-drop */
 
        vector<TargetEntry> target_table;
@@ -314,17 +317,17 @@ Editor::reset_controls_layout_width ()
        edit_controls_vbox.size_request (req);
        w = req.width;
 
-        if (_group_tabs->is_visible()) {
+       if (_group_tabs->is_visible()) {
                _group_tabs->size_request (req);
-                w += req.width;
-        }
+               w += req.width;
+       }
 
-        /* the controls layout has no horizontal scrolling, its visible
-           width is always equal to the total width of its contents.
-        */
+       /* the controls layout has no horizontal scrolling, its visible
+          width is always equal to the total width of its contents.
+       */
 
-        controls_layout.property_width() = w;
-        controls_layout.property_width_request() = w;
+       controls_layout.property_width() = w;
+       controls_layout.property_width_request() = w;
 }
 
 void
@@ -342,11 +345,11 @@ Editor::reset_controls_layout_height (int32_t h)
 
        h += _canvas_drop_zone->height ();
 
-        /* set the height of the scrollable area (i.e. the sum of all contained widgets)
+       /* set the height of the scrollable area (i.e. the sum of all contained widgets)
         * for the controls layout. The size request is set elsewhere.
-         */
+        */
 
-        controls_layout.property_height() = h;
+       controls_layout.property_height() = h;
 
 }
 
@@ -414,7 +417,7 @@ Editor::drop_paths_part_two (const vector<string>& paths, framepos_t frame, doub
                do_import (midi_paths, Editing::ImportDistinctFiles, ImportAsTrack, SrcBest, SMFTrackName, SMFTempoIgnore, frame, is.selected_instrument());
 
                if (UIConfiguration::instance().get_only_copy_imported_files() || copy) {
-                       do_import (audio_paths, Editing::ImportDistinctFiles, Editing::ImportAsTrack, 
+                       do_import (audio_paths, Editing::ImportDistinctFiles, Editing::ImportAsTrack,
                                   SrcBest, SMFTrackName, SMFTempoIgnore, frame);
                } else {
                        do_embed (audio_paths, Editing::ImportDistinctFiles, ImportAsTrack, frame);
@@ -429,11 +432,11 @@ Editor::drop_paths_part_two (const vector<string>& paths, framepos_t frame, doub
                        selection->set (tv);
 
                        do_import (midi_paths, Editing::ImportSerializeFiles, ImportToTrack,
-                                  SrcBest, SMFTrackName, SMFTempoIgnore, frame);
+                                  SrcBest, SMFTrackName, SMFTempoIgnore, frame);
 
                        if (UIConfiguration::instance().get_only_copy_imported_files() || copy) {
                                do_import (audio_paths, Editing::ImportSerializeFiles, Editing::ImportToTrack,
-                                          SrcBest, SMFTrackName, SMFTempoIgnore, frame);
+                                          SrcBest, SMFTrackName, SMFTempoIgnore, frame);
                        } else {
                                do_embed (audio_paths, Editing::ImportSerializeFiles, ImportToTrack, frame);
                        }
@@ -512,6 +515,16 @@ Editor::maybe_autoscroll (bool allow_horiz, bool allow_vert, bool from_headers)
 
        if (from_headers) {
                alloc = controls_layout.get_allocation ();
+
+               int wx, wy;
+
+               controls_layout.get_parent()->translate_coordinates (*toplevel,
+                                                                    alloc.get_x(), alloc.get_y(),
+                                                                    wx, wy);
+
+               scrolling_boundary = ArdourCanvas::Rect (wx, wy, wx + alloc.get_width(), wy + alloc.get_height());
+
+
        } else {
                alloc = _track_canvas_viewport->get_allocation ();
 
@@ -542,9 +555,14 @@ Editor::maybe_autoscroll (bool allow_horiz, bool allow_vert, bool from_headers)
                        alloc.set_x (alloc.get_x() + 10);
                }
 
-       }
+               int wx, wy;
+
+               _track_canvas_viewport->get_parent()->translate_coordinates (*toplevel,
+                                                                            alloc.get_x(), alloc.get_y(),
+                                                                            wx, wy);
 
-       scrolling_boundary = ArdourCanvas::Rect (alloc.get_x(), alloc.get_y(), alloc.get_x() + alloc.get_width(), alloc.get_y() + alloc.get_height());
+               scrolling_boundary = ArdourCanvas::Rect (wx, wy, wx + alloc.get_width(), wy + alloc.get_height());
+       }
 
        int x, y;
        Gdk::ModifierType mask;
@@ -563,6 +581,59 @@ Editor::autoscroll_active () const
        return autoscroll_connection.connected ();
 }
 
+std::pair <framepos_t,framepos_t>
+Editor::session_gui_extents ( bool use_extra ) const
+{
+       if (!_session) {
+               return std::pair <framepos_t,framepos_t>(max_framepos,0);
+       }
+       
+       framecnt_t session_extent_start = _session->current_start_frame();
+       framecnt_t session_extent_end = _session->current_end_frame();
+
+       //calculate the extents of all regions in every playlist
+       //NOTE:  we should listen to playlists, and cache these values so we don't calculate them every time.
+       {
+               boost::shared_ptr<RouteList> rl = _session->get_routes();
+               for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
+                       boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*r);
+                       if (tr) {
+                               boost::shared_ptr<Playlist> pl = tr->playlist();
+                               if ( pl && !pl->all_regions_empty() ) {
+                                       pair<framepos_t, framepos_t> e;
+                                       e = pl->get_extent();
+                                       if (e.first < session_extent_start) {
+                                               session_extent_start = e.first;
+                                       }
+                                       if (e.second > session_extent_end) {
+                                               session_extent_end = e.second;
+                                       }
+                               }
+                       }
+               }
+       }
+
+       //ToDo: also incorporate automation regions (in case the session has no audio/midi but is just used for automating plugins or the like)
+
+       //add additional time to the ui extents ( user-defined in config )
+       if (use_extra) {
+               framecnt_t const extra = UIConfiguration::instance().get_extra_ui_extents_time() * 60 * _session->nominal_frame_rate();
+               session_extent_end += extra;
+               session_extent_start -= extra;
+       }
+                       
+       //range-check
+       if (session_extent_end > max_framepos) {
+               session_extent_end = max_framepos;
+       }
+       if (session_extent_start < 0) {
+               session_extent_start = 0;
+       }
+       
+       std::pair <framepos_t,framepos_t> ret (session_extent_start, session_extent_end);
+       return ret;
+}
+
 bool
 Editor::autoscroll_canvas ()
 {
@@ -594,6 +665,8 @@ Editor::autoscroll_canvas ()
                        dx += 10 + (2 * (autoscroll_cnt/2));
 
                        dx = pixel_to_sample (dx);
+                       
+                       dx *= UIConfiguration::instance().get_draggable_playhead_speed();
 
                        if (leftmost_frame < max_framepos - dx) {
                                new_frame = leftmost_frame + dx;
@@ -610,6 +683,8 @@ Editor::autoscroll_canvas ()
 
                        dx = pixel_to_sample (dx);
 
+                       dx *= UIConfiguration::instance().get_draggable_playhead_speed();
+
                        if (leftmost_frame >= dx) {
                                new_frame = leftmost_frame - dx;
                        } else {
@@ -793,22 +868,46 @@ Editor::get_enter_context(ItemType type)
 }
 
 bool
-Editor::left_track_canvas (GdkEventCrossing */*ev*/)
+Editor::left_track_canvas (GdkEventCrossing* ev)
 {
+       const bool was_within = within_track_canvas;
        DropDownKeys ();
        within_track_canvas = false;
        set_entered_track (0);
        set_entered_regionview (0);
        reset_canvas_action_sensitivity (false);
+
+       if (was_within) {
+               if (ev->detail == GDK_NOTIFY_NONLINEAR ||
+                   ev->detail == GDK_NOTIFY_NONLINEAR_VIRTUAL) {
+                       /* context menu or something similar */
+                       sensitize_the_right_region_actions (false);
+               } else {
+                       sensitize_the_right_region_actions (true);
+               }
+       }
+
        return false;
 }
 
 bool
-Editor::entered_track_canvas (GdkEventCrossing */*ev*/)
+Editor::entered_track_canvas (GdkEventCrossing* ev)
 {
+       const bool was_within = within_track_canvas;
        within_track_canvas = true;
        reset_canvas_action_sensitivity (true);
-       return FALSE;
+
+       if (!was_within) {
+               if (ev->detail == GDK_NOTIFY_NONLINEAR ||
+                   ev->detail == GDK_NOTIFY_NONLINEAR_VIRTUAL) {
+                       /* context menu or something similar */
+                       sensitize_the_right_region_actions (false);
+               } else {
+                       sensitize_the_right_region_actions (true);
+               }
+       }
+
+       return false;
 }
 
 void
@@ -871,22 +970,13 @@ Editor::set_horizontal_position (double p)
        horizontal_adjustment.set_value (p);
 
        leftmost_frame = (framepos_t) floor (p * samples_per_pixel);
-
-       update_fixed_rulers ();
-       redisplay_tempo (true);
-
-       if (pending_visual_change.idle_handler_id < 0) {
-               _summary->set_overlays_dirty ();
-       }
-
-       update_video_timeline();
 }
 
 void
 Editor::color_handler()
 {
-       ArdourCanvas::Color base = UIConfiguration::instance().color ("ruler base");
-       ArdourCanvas::Color text = UIConfiguration::instance().color ("ruler text");
+       Gtkmm2ext::Color base = UIConfiguration::instance().color ("ruler base");
+       Gtkmm2ext::Color text = UIConfiguration::instance().color ("ruler text");
        timecode_ruler->set_fill_color (base);
        timecode_ruler->set_outline_color (text);
        minsec_ruler->set_fill_color (base);