merge from 2.0-ongoing @ 3581
[ardour.git] / gtk2_ardour / editor_mouse.cc
index e1d320e386f05eb1b50e7cc71cd5c8ae36e79fe9..384f40fdf6bbc8313b202a445ffb450661371230 100644 (file)
@@ -598,6 +598,25 @@ Editor::button_selection (ArdourCanvas::Item* item, GdkEvent* event, ItemType it
 bool
 Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
 {
+       Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->track_canvas->get_window();
+       
+       if (canvas_window) {
+               Glib::RefPtr<const Gdk::Window> pointer_window;
+               int x, y;
+               double wx, wy;
+               Gdk::ModifierType mask;
+
+               pointer_window = canvas_window->get_pointer (x, y, mask);
+               
+               if (pointer_window == track_canvas->get_bin_window()) {
+                       
+                       track_canvas->window_to_world (x, y, wx, wy);
+                       allow_vertical_scroll = true;
+               } else {
+                       allow_vertical_scroll = false;
+               }
+       }
+
        track_canvas->grab_focus();
 
        if (session && session->actively_recording()) {
@@ -959,7 +978,7 @@ Editor::button_press_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemTyp
 bool
 Editor::button_release_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item_type)
 {
-       nframes_t where = event_frame (event, 0, 0);
+       nframes64_t where = event_frame (event, 0, 0);
        AutomationTimeAxisView* atv = 0;
 
        /* no action if we're recording */
@@ -1705,7 +1724,7 @@ Editor::motion_handler (ArdourCanvas::Item* item, GdkEvent* event, ItemType item
                
                track_canvas->get_pointer (x, y);
        } 
-       
+
        if (current_stepping_trackview) {
                /* don't keep the persistent stepped trackview if the mouse moves */
                current_stepping_trackview = 0;
@@ -1993,15 +2012,16 @@ Editor::start_fade_in_grab (ArdourCanvas::Item* item, GdkEvent* event)
 
        AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
 
-       drag_info.pointer_frame_offset = drag_info.grab_frame - ((nframes_t) arv->audio_region()->fade_in()->back()->when + arv->region()->position()); 
+
+       drag_info.pointer_frame_offset = drag_info.grab_frame - ((nframes64_t) arv->audio_region()->fade_in()->back()->when + arv->region()->position());       
 }
 
 void
 Editor::fade_in_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 {
        AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
-       nframes_t pos;
-       nframes_t fade_length;
+       nframes64_t pos;
+       nframes64_t fade_length;
 
        if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
                pos = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
@@ -2043,8 +2063,8 @@ void
 Editor::fade_in_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event)
 {
        AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
-       nframes_t pos;
-       nframes_t fade_length;
+       nframes64_t pos;
+       nframes64_t fade_length;
 
        if (drag_info.first_move) return;
 
@@ -2101,15 +2121,15 @@ Editor::start_fade_out_grab (ArdourCanvas::Item* item, GdkEvent* event)
 
        AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
 
-       drag_info.pointer_frame_offset = drag_info.grab_frame - (arv->region()->length() - (nframes_t) arv->audio_region()->fade_out()->back()->when + arv->region()->position());      
+       drag_info.pointer_frame_offset = drag_info.grab_frame - (arv->region()->length() - (nframes64_t) arv->audio_region()->fade_out()->back()->when + arv->region()->position());    
 }
 
 void
 Editor::fade_out_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 {
        AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
-       nframes_t pos;
-       nframes_t fade_length;
+       nframes64_t pos;
+       nframes64_t fade_length;
 
        if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
                pos = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
@@ -2155,8 +2175,8 @@ Editor::fade_out_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* eve
        if (drag_info.first_move) return;
 
        AudioRegionView* arv = static_cast<AudioRegionView*>(drag_info.data);
-       nframes_t pos;
-       nframes_t fade_length;
+       nframes64_t pos;
+       nframes64_t fade_length;
 
        if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
                pos = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
@@ -2239,7 +2259,7 @@ void
 Editor::cursor_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 {
        Cursor* cursor = (Cursor *) drag_info.data;
-       nframes_t adjusted_frame;
+       nframes64_t adjusted_frame;
        
        if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
                adjusted_frame = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
@@ -2362,21 +2382,21 @@ Editor::start_marker_grab (ArdourCanvas::Item* item, GdkEvent* event)
 void
 Editor::marker_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 {
-       nframes_t f_delta;      
+       nframes64_t f_delta;    
        Marker* marker = (Marker *) drag_info.data;
        Location  *real_location;
        Location  *copy_location;
        bool is_start;
        bool move_both = false;
 
-       nframes_t newframe;
+       nframes64_t newframe;
        if (drag_info.pointer_frame_offset <= drag_info.current_pointer_frame) {
                newframe = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
        } else {
                newframe = 0;
        }
 
-       nframes_t next = newframe;
+       nframes64_t next = newframe;
 
        if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
                snap_to (newframe, 0, true);
@@ -2562,7 +2582,7 @@ void
 Editor::meter_marker_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 {
        MeterMarker* marker = (MeterMarker *) drag_info.data;
-       nframes_t adjusted_frame;
+       nframes64_t adjusted_frame;
 
        if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
                adjusted_frame = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
@@ -2694,7 +2714,7 @@ void
 Editor::tempo_marker_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 {
        TempoMarker* marker = (TempoMarker *) drag_info.data;
-       nframes_t adjusted_frame;
+       nframes64_t adjusted_frame;
        
        if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
                adjusted_frame = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
@@ -2866,7 +2886,7 @@ Editor::control_point_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent*
        cy = min ((double) (cp->line().y_position() + cp->line().height()), cy);
 
        //translate cx to frames
-       nframes_t cx_frames = unit_to_frame (cx);
+       nframes64_t cx_frames = unit_to_frame (cx);
 
        if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier()) && !drag_info.x_constrained) {
                snap_to (cx_frames);
@@ -2939,7 +2959,7 @@ Editor::start_line_grab (AutomationLine* line, GdkEvent* event)
 {
        double cx;
        double cy;
-       nframes_t frame_within_region;
+       nframes64_t frame_within_region;
 
        /* need to get x coordinate in terms of parent (TimeAxisItemView)
           origin.
@@ -2948,7 +2968,7 @@ Editor::start_line_grab (AutomationLine* line, GdkEvent* event)
        cx = event->button.x;
        cy = event->button.y;
        line->parent_group().w2i (cx, cy);
-       frame_within_region = (nframes_t) floor (cx * frames_per_unit);
+       frame_within_region = (nframes64_t) floor (cx * frames_per_unit);
 
        if (!line->control_points_adjacent (frame_within_region, current_line_drag_info.before, 
                                            current_line_drag_info.after)) {
@@ -3057,7 +3077,7 @@ Editor::start_region_grab (ArdourCanvas::Item* item, GdkEvent* event)
                speed = tv->get_diskstream()->speed();
        }
        
-       drag_info.last_frame_position = (nframes_t) (clicked_regionview->region()->position() / speed);
+       drag_info.last_frame_position = (nframes64_t) (clicked_regionview->region()->position() / speed);
        drag_info.pointer_frame_offset = drag_info.grab_frame - drag_info.last_frame_position;
        drag_info.source_trackview = &clicked_regionview->get_time_axis_view();
        drag_info.dest_trackview = drag_info.source_trackview;
@@ -3106,7 +3126,7 @@ Editor::start_region_copy_grab (ArdourCanvas::Item* item, GdkEvent* event)
        
        drag_info.source_trackview = &clicked_regionview->get_time_axis_view();
        drag_info.dest_trackview = drag_info.source_trackview;
-       drag_info.last_frame_position = (nframes_t) (clicked_regionview->region()->position() / speed);
+       drag_info.last_frame_position = (nframes64_t) (clicked_regionview->region()->position() / speed);
        drag_info.pointer_frame_offset = drag_info.grab_frame - drag_info.last_frame_position;
        // we want a move threshold
        drag_info.want_move_threshold = true;
@@ -3138,7 +3158,7 @@ Editor::start_region_brush_grab (ArdourCanvas::Item* item, GdkEvent* event)
                speed = tv->get_diskstream()->speed();
        }
        
-       drag_info.last_frame_position = (nframes_t) (clicked_regionview->region()->position() / speed);
+       drag_info.last_frame_position = (nframes64_t) (clicked_regionview->region()->position() / speed);
        drag_info.pointer_frame_offset = drag_info.grab_frame - drag_info.last_frame_position;
        drag_info.source_trackview = &clicked_regionview->get_time_axis_view();
        drag_info.dest_trackview = drag_info.source_trackview;
@@ -3164,7 +3184,7 @@ Editor::possibly_copy_regions_during_grab (GdkEvent* event)
 
                        RegionView* rv;
                        RegionView* nrv;
-                       
+
                        rv = (*i);
 
                        AudioRegionView* arv = dynamic_cast<AudioRegionView*>(rv);
@@ -3309,7 +3329,7 @@ Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
        double x_delta;
        double y_delta = 0;
        RegionView* rv = reinterpret_cast<RegionView*> (drag_info.data); 
-       nframes_t pending_region_position = 0;
+       nframes64_t pending_region_position = 0;
        int32_t pointer_y_span = 0, canvas_pointer_y_span = 0, original_pointer_order;
        int32_t visible_y_high = 0, visible_y_low = 512;  //high meaning higher numbered.. not the height on the screen
        bool clamp_y_axis = false;
@@ -3363,12 +3383,13 @@ Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
                                        tracks = tracks |= (0x01 << rtv2->order);
                                }
        
-                               height_list[rtv2->order] = (*i)->height;
+                               height_list[rtv2->order] = (*i)->current_height();
                                children = 1;
+
                                if ((children_list = rtv2->get_child_list()).size() > 0) {
                                        for (TimeAxisView::Children::iterator j = children_list.begin(); j != children_list.end(); ++j) { 
                                                tracks = tracks |= (0x01 << (rtv2->order + children));
-                                               height_list[rtv2->order + children] =  (*j)->height;                
+                                               height_list[rtv2->order + children] =  (*j)->current_height();
                                                numtracks++;
                                                children++;     
                                        }
@@ -3496,8 +3517,8 @@ Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 
                if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
 
-                       nframes_t sync_frame;
-                       nframes_t sync_offset;
+                       nframes64_t sync_frame;
+                       nframes64_t sync_offset;
                        int32_t sync_dir;
 
                        pending_region_position = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
@@ -3685,7 +3706,7 @@ Editor::region_drag_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
                  
                                                tvp2 = trackview_by_y_position (iy1 + y_delta);
                                                temp_rtv = dynamic_cast<RouteTimeAxisView*>(tvp2);
-                                               rv->set_y_position_and_height (0, temp_rtv->height);
+                                               rv->set_y_position_and_height (0, temp_rtv->current_height());
 
                                                /*   if you un-comment the following, the region colours will follow the track colours whilst dragging,
                                                     personally, i think this can confuse things, but never mind.
@@ -3837,7 +3858,7 @@ Editor::region_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event
                double speed;
                bool changed_tracks;
                bool changed_position;
-               nframes_t where;
+               nframes64_t where;
 
                if (rv->region()->locked()) {
                        ++i;
@@ -3852,11 +3873,11 @@ Editor::region_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event
                        speed = dest_rtv->get_diskstream()->speed();
                }
                
-               changed_position = (drag_info.last_frame_position != (nframes_t) (rv->region()->position()/speed));
+               changed_position = (drag_info.last_frame_position != (nframes64_t) (rv->region()->position()/speed));
                changed_tracks = (dest_tv != &rv->get_time_axis_view());
 
                if (changed_position && !drag_info.x_constrained) {
-                       where = (nframes_t) (unit_to_frame (ix1) * speed);
+                       where = (nframes64_t) (unit_to_frame (ix1) * speed);
                } else {
                        where = rv->region()->position();
                }
@@ -3869,6 +3890,7 @@ Editor::region_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event
                
                boost::shared_ptr<Region> new_region;
 
+
                if (drag_info.copy) {
                        /* we already made a copy */
                        new_region = rv->region();
@@ -3918,7 +3940,7 @@ Editor::region_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent* event
                        /* get the playlist where this drag started. we can't use rv->region()->playlist()
                           because we may have copied the region and it has not been attached to a playlist.
                        */
-                       
+
                        assert ((source_tv = dynamic_cast<RouteTimeAxisView*> (&rv->get_time_axis_view())));
                        assert ((ds = source_tv->get_diskstream()));
                        assert ((from_playlist = ds->playlist()));
@@ -4036,7 +4058,7 @@ Editor::create_region_drag_finished_callback (ArdourCanvas::Item* item, GdkEvent
                begin_reversible_command (_("create region"));
                XMLNode &before = mtv->playlist()->get_state();
 
-               nframes_t start = drag_info.grab_frame;
+               nframes64_t start = drag_info.grab_frame;
                snap_to (start, -1);
                const Meter& m = session->tempo_map().meter_at(start);
                const Tempo& t = session->tempo_map().tempo_at(start);
@@ -4078,28 +4100,28 @@ Editor::region_view_item_click (AudioRegionView& rv, GdkEventButton* event)
 
                        if (Keyboard::modifier_state_equals (event->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::SecondaryModifier))) {
                                
-                               align_region (rv.region(), SyncPoint, (nframes_t) (where * speed));
+                               align_region (rv.region(), SyncPoint, (nframes64_t) (where * speed));
                                
                        } else if (Keyboard::modifier_state_equals (event->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {
                                
-                               align_region (rv.region(), End, (nframes_t) (where * speed));
+                               align_region (rv.region(), End, (nframes64_t) (where * speed));
                                
                        } else {
                                
-                               align_region (rv.region(), Start, (nframes_t) (where * speed));
+                               align_region (rv.region(), Start, (nframes64_t) (where * speed));
                        }
                }
        }
 }
 
 void
-Editor::show_verbose_time_cursor (nframes_t frame, double offset, double xpos, double ypos) 
+Editor::show_verbose_time_cursor (nframes64_t frame, double offset, double xpos, double ypos) 
 {
        char buf[128];
        SMPTE::Time smpte;
        BBT_Time bbt;
        int hours, mins;
-       nframes_t frame_rate;
+       nframes64_t frame_rate;
        float secs;
 
        if (session == 0) {
@@ -4137,7 +4159,7 @@ Editor::show_verbose_time_cursor (nframes_t frame, double offset, double xpos, d
                break;
 
        default:
-               snprintf (buf, sizeof(buf), "%u", frame);
+               snprintf (buf, sizeof(buf), "%" PRIi64, frame);
                break;
        }
 
@@ -4151,14 +4173,14 @@ Editor::show_verbose_time_cursor (nframes_t frame, double offset, double xpos, d
 }
 
 void
-Editor::show_verbose_duration_cursor (nframes_t start, nframes_t end, double offset, double xpos, double ypos) 
+Editor::show_verbose_duration_cursor (nframes64_t start, nframes64_t end, double offset, double xpos, double ypos) 
 {
        char buf[128];
        SMPTE::Time smpte;
        BBT_Time sbbt;
        BBT_Time ebbt;
        int hours, mins;
-       nframes_t distance, frame_rate;
+       nframes64_t distance, frame_rate;
        float secs;
        Meter meter_at_start(session->tempo_map().meter_at(start));
 
@@ -4219,7 +4241,7 @@ Editor::show_verbose_duration_cursor (nframes_t start, nframes_t end, double off
                break;
 
        default:
-               snprintf (buf, sizeof(buf), "%u", end - start);
+               snprintf (buf, sizeof(buf), "%" PRIi64, end - start);
                break;
        }
 
@@ -4331,8 +4353,8 @@ Editor::cancel_selection ()
 void
 Editor::start_selection_op (ArdourCanvas::Item* item, GdkEvent* event, SelectionOp op)
 {
-       nframes_t start = 0;
-       nframes_t end = 0;
+       nframes64_t start = 0;
+       nframes64_t end = 0;
 
        if (session == 0) {
                return;
@@ -4389,10 +4411,10 @@ Editor::start_selection_op (ArdourCanvas::Item* item, GdkEvent* event, Selection
 void
 Editor::drag_selection (ArdourCanvas::Item* item, GdkEvent* event)
 {
-       nframes_t start = 0;
-       nframes_t end = 0;
-       nframes_t length;
-       nframes_t pending_position;
+       nframes64_t start = 0;
+       nframes64_t end = 0;
+       nframes64_t length;
+       nframes64_t pending_position;
 
        if (drag_info.current_pointer_frame > drag_info.pointer_frame_offset) {
                pending_position = drag_info.current_pointer_frame - drag_info.pointer_frame_offset;
@@ -4550,9 +4572,9 @@ Editor::start_trim (ArdourCanvas::Item* item, GdkEvent* event)
                speed = tv->get_diskstream()->speed();
        }
        
-       nframes_t region_start = (nframes_t) (clicked_regionview->region()->position() / speed);
-       nframes_t region_end = (nframes_t) (clicked_regionview->region()->last_frame() / speed);
-       nframes_t region_length = (nframes_t) (clicked_regionview->region()->length() / speed);
+       nframes64_t region_start = (nframes64_t) (clicked_regionview->region()->position() / speed);
+       nframes64_t region_end = (nframes64_t) (clicked_regionview->region()->last_frame() / speed);
+       nframes64_t region_length = (nframes64_t) (clicked_regionview->region()->length() / speed);
 
        //drag_info.item = clicked_regionview->get_name_highlight();
        drag_info.item = item;
@@ -4591,7 +4613,7 @@ void
 Editor::trim_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 {
        RegionView* rv = clicked_regionview;
-       nframes_t frame_delta = 0;
+       nframes64_t frame_delta = 0;
        bool left_direction;
        bool obey_snap = !Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier());
 
@@ -4676,7 +4698,7 @@ Editor::trim_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
                }
                
        case EndTrim:
-               if ((left_direction == true) && (drag_info.current_pointer_frame > (nframes_t) (rv->region()->last_frame()/speed))) {
+               if ((left_direction == true) && (drag_info.current_pointer_frame > (nframes64_t) (rv->region()->last_frame()/speed))) {
                        break;
                } else {
                        for (list<RegionView*>::const_iterator i = selection->regions.by_layer().begin(); i != selection->regions.by_layer().end(); ++i) {
@@ -4704,10 +4726,10 @@ Editor::trim_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 
        switch (trim_op) {
        case StartTrim:
-               show_verbose_time_cursor((nframes_t) (rv->region()->position()/speed), 10);     
+               show_verbose_time_cursor((nframes64_t) (rv->region()->position()/speed), 10);   
                break;
        case EndTrim:
-               show_verbose_time_cursor((nframes_t) (rv->region()->last_frame()/speed), 10);   
+               show_verbose_time_cursor((nframes64_t) (rv->region()->last_frame()/speed), 10); 
                break;
        case ContentsTrim:
                show_verbose_time_cursor(drag_info.current_pointer_frame, 10);  
@@ -4719,7 +4741,7 @@ Editor::trim_motion_callback (ArdourCanvas::Item* item, GdkEvent* event)
 }
 
 void
-Editor::single_contents_trim (RegionView& rv, nframes_t frame_delta, bool left_direction, bool swap_direction, bool obey_snap)
+Editor::single_contents_trim (RegionView& rv, nframes64_t frame_delta, bool left_direction, bool swap_direction, bool obey_snap)
 {
        boost::shared_ptr<Region> region (rv.region());
 
@@ -4727,7 +4749,7 @@ Editor::single_contents_trim (RegionView& rv, nframes_t frame_delta, bool left_d
                return;
        }
 
-       nframes_t new_bound;
+       nframes64_t new_bound;
 
        double speed = 1.0;
        TimeAxisView* tvp = clicked_axisview;
@@ -4739,27 +4761,27 @@ Editor::single_contents_trim (RegionView& rv, nframes_t frame_delta, bool left_d
        
        if (left_direction) {
                if (swap_direction) {
-                       new_bound = (nframes_t) (region->position()/speed) + frame_delta;
+                       new_bound = (nframes64_t) (region->position()/speed) + frame_delta;
                } else {
-                       new_bound = (nframes_t) (region->position()/speed) - frame_delta;
+                       new_bound = (nframes64_t) (region->position()/speed) - frame_delta;
                }
        } else {
                if (swap_direction) {
-                       new_bound = (nframes_t) (region->position()/speed) - frame_delta;
+                       new_bound = (nframes64_t) (region->position()/speed) - frame_delta;
                } else {
-                       new_bound = (nframes_t) (region->position()/speed) + frame_delta;
+                       new_bound = (nframes64_t) (region->position()/speed) + frame_delta;
                }
        }
 
        if (obey_snap) {
                snap_to (new_bound);
        }
-       region->trim_start ((nframes_t) (new_bound * speed), this);     
+       region->trim_start ((nframes64_t) (new_bound * speed), this);   
        rv.region_changed (StartChanged);
 }
 
 void
-Editor::single_start_trim (RegionView& rv, nframes_t frame_delta, bool left_direction, bool obey_snap)
+Editor::single_start_trim (RegionView& rv, nframes64_t frame_delta, bool left_direction, bool obey_snap)
 {
        boost::shared_ptr<Region> region (rv.region()); 
 
@@ -4767,7 +4789,7 @@ Editor::single_start_trim (RegionView& rv, nframes_t frame_delta, bool left_dire
                return;
        }
 
-       nframes_t new_bound;
+       nframes64_t new_bound;
 
        double speed = 1.0;
        TimeAxisView* tvp = clicked_axisview;
@@ -4778,22 +4800,22 @@ Editor::single_start_trim (RegionView& rv, nframes_t frame_delta, bool left_dire
        }
        
        if (left_direction) {
-               new_bound = (nframes_t) (region->position()/speed) - frame_delta;
+               new_bound = (nframes64_t) (region->position()/speed) - frame_delta;
        } else {
-               new_bound = (nframes_t) (region->position()/speed) + frame_delta;
+               new_bound = (nframes64_t) (region->position()/speed) + frame_delta;
        }
 
        if (obey_snap) {
                snap_to (new_bound, (left_direction ? 0 : 1));  
        }
 
-       region->trim_front ((nframes_t) (new_bound * speed), this);
+       region->trim_front ((nframes64_t) (new_bound * speed), this);
 
        rv.region_changed (Change (LengthChanged|PositionChanged|StartChanged));
 }
 
 void
-Editor::single_end_trim (RegionView& rv, nframes_t frame_delta, bool left_direction, bool obey_snap)
+Editor::single_end_trim (RegionView& rv, nframes64_t frame_delta, bool left_direction, bool obey_snap)
 {
        boost::shared_ptr<Region> region (rv.region());
 
@@ -4801,7 +4823,7 @@ Editor::single_end_trim (RegionView& rv, nframes_t frame_delta, bool left_direct
                return;
        }
 
-       nframes_t new_bound;
+       nframes64_t new_bound;
 
        double speed = 1.0;
        TimeAxisView* tvp = clicked_axisview;
@@ -4812,15 +4834,15 @@ Editor::single_end_trim (RegionView& rv, nframes_t frame_delta, bool left_direct
        }
        
        if (left_direction) {
-               new_bound = (nframes_t) ((region->last_frame() + 1)/speed) - frame_delta;
+               new_bound = (nframes64_t) ((region->last_frame() + 1)/speed) - frame_delta;
        } else {
-               new_bound = (nframes_t) ((region->last_frame() + 1)/speed) + frame_delta;
+               new_bound = (nframes64_t) ((region->last_frame() + 1)/speed) + frame_delta;
        }
 
        if (obey_snap) {
                snap_to (new_bound);
        }
-       region->trim_end ((nframes_t) (new_bound * speed), this);
+       region->trim_end ((nframes64_t) (new_bound * speed), this);
        rv.region_changed (LengthChanged);
 }
        
@@ -4860,7 +4882,7 @@ void
 Editor::point_trim (GdkEvent* event)
 {
        RegionView* rv = clicked_regionview;
-       nframes_t new_bound = drag_info.current_pointer_frame;
+       nframes64_t new_bound = drag_info.current_pointer_frame;
 
        if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
                snap_to (new_bound);
@@ -5008,8 +5030,8 @@ Editor::start_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event, Ran
 void
 Editor::drag_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event)
 {
-       nframes_t start = 0;
-       nframes_t end = 0;
+       nframes64_t start = 0;
+       nframes64_t end = 0;
        ArdourCanvas::SimpleRect *crect;
 
        switch (range_marker_op) {
@@ -5140,8 +5162,8 @@ Editor::end_range_markerbar_op (ArdourCanvas::Item* item, GdkEvent* event)
 
                if (Keyboard::no_modifier_keys_pressed (&event->button) && range_marker_op != CreateCDMarker) {
 
-                       nframes_t start;
-                       nframes_t end;
+                       nframes64_t start;
+                       nframes64_t end;
 
                        start = session->locations()->first_mark_before (drag_info.grab_frame);
                        end = session->locations()->first_mark_after (drag_info.grab_frame);
@@ -5191,8 +5213,8 @@ Editor::start_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event)
 void
 Editor::drag_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event)
 {
-       nframes_t start;
-       nframes_t end;
+       nframes64_t start;
+       nframes64_t end;
 
        if (!Keyboard::modifier_state_contains (event->button.state, Keyboard::snap_modifier())) {
                snap_to (drag_info.current_pointer_frame);
@@ -5252,7 +5274,7 @@ Editor::end_mouse_zoom (ArdourCanvas::Item* item, GdkEvent* event)
 }
 
 void
-Editor::reposition_zoom_rect (nframes_t start, nframes_t end)
+Editor::reposition_zoom_rect (nframes64_t start, nframes64_t end)
 {
        double x1 = frame_to_pixel (start);
        double x2 = frame_to_pixel (end);
@@ -5279,8 +5301,8 @@ Editor::start_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event)
 void
 Editor::drag_rubberband_select (ArdourCanvas::Item* item, GdkEvent* event)
 {
-       nframes_t start;
-       nframes_t end;
+       nframes64_t start;
+       nframes64_t end;
        double y1;
        double y2;
 
@@ -5453,7 +5475,7 @@ Editor::end_time_fx (ArdourCanvas::Item* item, GdkEvent* event)
                return;
        }
        
-       nframes_t newlen = drag_info.last_pointer_frame - clicked_regionview->region()->position();
+       nframes64_t newlen = drag_info.last_pointer_frame - clicked_regionview->region()->position();
 
        float percentage = (double) newlen / (double) clicked_regionview->region()->length();
 
@@ -5477,7 +5499,7 @@ Editor::end_time_fx (ArdourCanvas::Item* item, GdkEvent* event)
 }
 
 void
-Editor::mouse_brush_insert_region (RegionView* rv, nframes_t pos)
+Editor::mouse_brush_insert_region (RegionView* rv, nframes64_t pos)
 {
        /* no brushing without a useful snap setting */
 
@@ -5516,7 +5538,7 @@ Editor::mouse_brush_insert_region (RegionView* rv, nframes_t pos)
        double speed = rtv->get_diskstream()->speed();
        
        XMLNode &before = playlist->get_state();
-       playlist->add_region (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (arv->audio_region())), (nframes_t) (pos * speed));
+       playlist->add_region (boost::dynamic_pointer_cast<AudioRegion> (RegionFactory::create (arv->audio_region())), (nframes64_t) (pos * speed));
        XMLNode &after = playlist->get_state();
        session->add_command(new MementoCommand<Playlist>(*playlist.get(), &before, &after));
        
@@ -5528,13 +5550,7 @@ Editor::mouse_brush_insert_region (RegionView* rv, nframes_t pos)
 gint
 Editor::track_height_step_timeout ()
 {
-       struct timeval now;
-       struct timeval delta;
-       
-       gettimeofday (&now, 0);
-       timersub (&now, &last_track_height_step_timestamp, &delta);
-       
-       if (delta.tv_sec * 1000000 + delta.tv_usec > 250000) { /* milliseconds */
+       if (get_microseconds() - last_track_height_step_timestamp < 250000) {
                current_stepping_trackview = 0;
                return false;
        }