detect missing transitions, dont draw transitions if show off, obey audio transition...
[goodguy/cinelerra.git] / cinelerra-5.1 / cinelerra / trackcanvas.C
index 3f526fd624200e7f53594847f7e26a4c72acc084..098090a693c4d419f0ebfbf17b26ebd76fef2981 100644 (file)
@@ -210,6 +210,7 @@ int TrackCanvas::drag_cursor_motion(int cursor_x, int cursor_y,
 // Find the edit and track the cursor is over
                for(Track *track = mwindow->edl->tracks->first; track; track = track->next)
                {
+                       if( track->is_hidden() ) continue;
                        int64_t track_x, track_y, track_w, track_h;
                        track_dimensions(track, track_x, track_y, track_w, track_h);
 
@@ -407,7 +408,7 @@ int TrackCanvas::drag_stop(int *redraw)
                                                mwindow->session->edit_highlighted->length);
                                }
                                start = mwindow->edl->align_to_frame(start, 0);
-                               mwindow->insert_effects_canvas(start, length);
+                               mwindow->insert_effects_canvas(track, start, length);
                                *redraw = 1;
                        }
                        if( mwindow->session->track_highlighted )
@@ -779,12 +780,15 @@ void TrackCanvas::draw_resources(int mode,
                gui->resource_pixmaps.remove_all_objects();
 
        if(debug) PRINT_TRACE
+       if(mode != IGNORE_THREAD)
+               gui->resource_thread->reset(pane->number, indexes_only);
 
 // Search every edit
        for(Track *current = mwindow->edl->tracks->first;
                current;
                current = NEXT)
        {
+               if( current->is_hidden() ) continue;
                if(debug) PRINT_TRACE
                for(Edit *edit = current->edits->first; edit; edit = edit->next)
                {
@@ -880,6 +884,14 @@ void TrackCanvas::draw_resources(int mode,
 
                        }
                }
+               int64_t track_x, track_y, track_w, track_h;
+               track_dimensions(current,
+                       track_x, track_y, track_w, track_h);
+               set_color((~get_resources()->get_bg_color()) & 0xffffff);
+               set_opaque();
+               int x1 = track_x, x2 = x1+track_w;
+               int y1 = track_y+track_h-1;
+               draw_line(x1,y1, x2,y1, background_pixmap);
        }
 
 
@@ -1003,8 +1015,8 @@ void TrackCanvas::get_pixmap_size(Edit *edit,
 //             }
 //     }
 
-       pixmap_h = mwindow->edl->local_session->zoom_track;
        Track *track = edit->edits->track;
+       pixmap_h = track->data_h;
        if( track->show_titles() )
                pixmap_h += mwindow->theme->get_image("title_bg_data")->get_h();
 //printf("get_pixmap_size %d %d %d %d\n", edit_x, edit_w, pixmap_x, pixmap_w);
@@ -1031,7 +1043,7 @@ void TrackCanvas::edit_dimensions(Edit *edit,
        if( edit->track->show_titles() )
                edit_h += mwindow->theme->get_image("title_bg_data")->get_h();
        if( edit->track->show_assets() )
-               edit_h += resource_h();
+               edit_h += edit->track->data_h;
        h = edit_h;
 }
 
@@ -1139,7 +1151,8 @@ void TrackCanvas::draw_paste_destination()
                for(Track *dest = mwindow->session->track_highlighted;
                        dest;
                        dest = dest->next) {
-                       if(dest->record) {
+                       if( dest->is_hidden() ) continue;
+                       if(dest->is_armed()) {
 // Get source width in pixels
                                w = -1;
 // Use start of highlighted edit
@@ -1287,16 +1300,12 @@ void TrackCanvas::plugin_dimensions(Plugin *plugin, int64_t &x, int64_t &y, int6
        if( plugin->track->show_titles() )
                y += mwindow->theme->get_image("title_bg_data")->get_h();
        if( plugin->track->show_assets() )
-               y += resource_h();
+               y += plugin->track->data_h;
        y += plugin->plugin_set->get_number() *
                        mwindow->theme->get_image("plugin_bg_data")->get_h();
        h = mwindow->theme->get_image("plugin_bg_data")->get_h();
 }
 
-int TrackCanvas::resource_h()
-{
-       return mwindow->edl->local_session->zoom_track;
-}
 
 void TrackCanvas::draw_highlight_rectangle(int x, int y, int w, int h)
 {
@@ -1307,29 +1316,22 @@ void TrackCanvas::draw_highlight_rectangle(int x, int y, int w, int h)
 
        if (x + w <= 0)
        {
-               draw_triangle_left(0, y + h /6, h * 2/3, h * 2/3, BLACK, GREEN, YELLOW, RED, BLUE);
+               draw_triangle_left(0, y + h /6,
+                       h * 2/3, h * 2/3, BLACK, GREEN, YELLOW, RED, BLUE);
                return;
        } else
        if (x >= get_w())
        {
-               draw_triangle_right(get_w() - h * 2/3, y + h /6, h * 2/3, h * 2/3, BLACK, GREEN, YELLOW, RED, BLUE);
+               draw_triangle_right(get_w() - h * 2/3, y + h /6,
+                       h * 2/3, h * 2/3, BLACK, GREEN, YELLOW, RED, BLUE);
                return;
        }
 
 // Fix bug in heroines & cvs version as of 22.8.2005:
 // If we grab when zoomed in and zoom out while dragging, when edit gets really narrow strange things start happening
        if (w >= 0 && w < 3) {x -= w /2; w = 3;};
-       if(x < -10)
-       {
-               w += x - -10;
-               x = -10;
-       }
-
-       if(y < -10)
-       {
-               h += y - -10;
-               y = -10;
-       }
+       if(x < -10) { w += x - -10;  x = -10; }
+       if(y < -10) { h += y - -10;  y = -10; }
 
        w = MIN(w, get_w() + 20);
        h = MIN(h, get_h() + 20);
@@ -1385,16 +1387,8 @@ void TrackCanvas::draw_highlight_insertion(int x, int y, int w, int h)
 // Fix bug in heroines & cvs version as of 22.8.2005:
 // If we grab when zoomed in and zoom out while dragging, when edit gets really narrow strange things start happening
        if (w >= 0 && w < 3) {x -= w /2; w = 3;};
-       if(x < -10)
-       {
-               w += x - -10;
-               x = -10;
-       }
-       if(y < -10)
-       {
-               h += y - -10;
-               y = -10;
-       }
+       if(x < -10) { w += x - -10;  x = -10; }
+       if(y < -10) { h += y - -10;  y = -10; }
        w = MIN(w, get_w() + 20);
        h = MIN(h, get_h() + 20);
        set_color(mwindow->preferences->highlight_inverse);
@@ -1435,15 +1429,15 @@ void TrackCanvas::get_handle_coords(Edit *edit, int64_t &x, int64_t &y, int64_t
 void TrackCanvas::get_transition_coords(Edit *edit,
                int64_t &x, int64_t &y, int64_t &w, int64_t &h)
 {
-       int transition_w = 30, transition_h = 30;
+       int transition_w = xS(30), transition_h = yS(30);
        int has_titles = edit->track->show_titles();
        int has_assets = edit->track->show_assets();
        double title_bg_h = mwindow->theme->get_image("title_bg_data")->get_h();
-       double asset_h = resource_h();
-       double ys = has_assets ? asset_h : has_titles ? title_bg_h : 0;
+       int data_h = edit->track->data_h;
+       double ys = has_assets ? data_h : has_titles ? title_bg_h : 0;
        double dy = has_titles ?
-               ( has_assets ? title_bg_h + asset_h/2 : title_bg_h/2 ) :
-               ( has_assets ? asset_h/2 : 0) ;
+               ( has_assets ? title_bg_h + data_h/2 : title_bg_h/2 ) :
+               ( has_assets ? data_h/2 : 0) ;
        double title_h = mwindow->theme->title_h;
        if( dy < title_h / 2 ) { ys = title_h;  dy = ys / 2; }
        y += dy;
@@ -1664,6 +1658,9 @@ void TrackCanvas::draw_highlighting()
                        }
                        break;
 
+               case DRAG_SPEED:
+                       draw_speed_highlight();
+                       break;
        }
 
        if( draw_box )
@@ -1672,6 +1669,33 @@ void TrackCanvas::draw_highlighting()
        draw_selected_edits(mwindow->edl, 0, 0, GREEN+BLUE, RED);
 }
 
+void TrackCanvas::draw_speed_highlight()
+{
+       FloatAuto *drag_speed = (FloatAuto*)mwindow->session->drag_auto;
+       if( !drag_speed ) return;
+       draw_speed_track(drag_speed->autos->track);
+       ArrayList<Auto*> &speed_gang = *mwindow->session->drag_auto_gang;
+       for( int i=0, sz=speed_gang.size(); i<sz; ++i ) {
+               Track *track = speed_gang[i]->autos->track;
+               if( track->is_hidden() ) continue;
+               draw_speed_track(track);
+       }
+}
+
+void TrackCanvas::draw_speed_track(Track *track)
+{
+       for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
+               int64_t x, y, w, h;
+               edit_dimensions(edit, x, y, w, h);
+               if( !MWindowGUI::visible(x, x + w, 0, get_w()) ) continue;
+               if( !MWindowGUI::visible(y, y + h, 0, get_h()) ) continue;
+               int color = 0xc00cc0;
+               set_color(color);
+               set_opaque();
+               draw_selected(x, y, w, h);
+       }
+}
+
 // x does not reliably draw a really big rectangle
 void TrackCanvas::draw_selected(int x, int y, int w, int h)
 {
@@ -1687,9 +1711,17 @@ void TrackCanvas::draw_selected(int x, int y, int w, int h)
 
 void TrackCanvas::draw_selected_edits(EDL *edl, int dx, int dy, int color0, int color1)
 {
+       int dropping = 0;
        for( Track *track=edl->tracks->first; track; track=track->next ) {
+               if( track->is_hidden() ) continue;
+               if( !track->is_armed() && color1 < 0 ) {
+                       if( dropping )
+                               dy -= track->vertical_span(mwindow->theme);
+                       continue;
+               }
                for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
                        if( !edit->is_selected ) continue;
+                       dropping = 1;
                        int64_t x, y, w, h;
                        edit_dimensions(edit, x, y, w, h);
                        x += dx;  y += dy;
@@ -1698,10 +1730,10 @@ void TrackCanvas::draw_selected_edits(EDL *edl, int dx, int dy, int color0, int
                        set_opaque();
                        int inner = color1 < 0 ? color0 : !edit->group_id ? color0 :
                                mwindow->get_group_color(edit->group_id);
-                       set_color(inner);
-                       draw_selected(x, y, w, h);
                        int outer = color1 < 0 ? color0 : !edit->group_id ? color1 : inner;
-                       set_color(outer);
+                       set_color(track->is_armed() ? inner : outer);
+                       draw_selected(x, y, w, h);
+                       set_color(track->is_armed() ? outer : inner);
                        draw_selected(x-1, y-1, w+2, h+2);
                        draw_selected(x-2, y-2, w+1, h+1);
                }
@@ -1727,6 +1759,7 @@ void TrackCanvas::draw_plugins()
                track;
                track = track->next)
        {
+               if( track->is_hidden() ) continue;
                if(track->expand_view)
                {
                        for(int i = 0; i < track->plugin_set.total; i++)
@@ -1793,7 +1826,7 @@ void TrackCanvas::draw_plugins()
                                                toggle_x = MIN(get_w() - right_margin, toggle_x);
 
 // On toggle
-                                               toggle_x -= PluginOn::calculate_w(mwindow) + 10;
+                                               toggle_x -= PluginOn::calculate_w(mwindow) + xS(10);
                                                if(toggle_x > min_x)
                                                {
                                                        if(current_on >= plugin_on_toggles.total)
@@ -1813,7 +1846,7 @@ void TrackCanvas::draw_plugins()
                                                if(plugin->plugin_type == PLUGIN_STANDALONE)
                                                {
 // Show
-                                                       toggle_x -= PluginShow::calculate_w(mwindow) + 10;
+                                                       toggle_x -= PluginShow::calculate_w(mwindow) + xS(10);
                                                        if(toggle_x > min_x)
                                                        {
                                                                if(current_show >= plugin_show_toggles.total)
@@ -1828,7 +1861,7 @@ void TrackCanvas::draw_plugins()
                                                                }
                                                                current_show++;
                                                        }
-                                                       toggle_x -= PluginPresetEdit::calculate_w(mwindow) + 10;
+                                                       toggle_x -= PluginPresetEdit::calculate_w(mwindow) + xS(10);
                                                        if(toggle_x > min_x)
                                                        {
                                                                if(current_preset >= preset_edit_buttons.total)
@@ -1893,16 +1926,19 @@ void TrackCanvas::draw_hard_edges()
        int64_t x, y, w, h;
 
        for(Track *track = mwindow->edl->tracks->first; track; track = track->next) {
+               if( track->is_hidden() ) continue;
                for(Edit *edit = track->edits->first; edit; edit = edit->next) {
                        if( !edit->hard_left && !edit->hard_right ) continue;
                        edit_dimensions(edit, x, y, w, h);
+                       if( !MWindowGUI::visible(x, x + w, 0, get_w()) ||
+                           !MWindowGUI::visible(y, y + h, 0, get_h()) ) continue;
                        set_color(GREEN);
                        set_opaque();
                        int y1 = y;
                        if( track->show_titles() )
                                y1 += mwindow->theme->get_image("title_bg_data")->get_h();
                        if( track->show_assets() )
-                               y1 += resource_h();
+                               y1 += track->data_h;
                        if( y1 == y )
                                y1 += mwindow->theme->title_h;
                        if( edit->hard_left ) {
@@ -1931,7 +1967,8 @@ void TrackCanvas::draw_inout_points()
 void TrackCanvas::draw_drag_handle()
 {
        if( mwindow->session->current_operation != DRAG_EDITHANDLE2 &&
-           mwindow->session->current_operation != DRAG_PLUGINHANDLE2 ) return;
+           mwindow->session->current_operation != DRAG_PLUGINHANDLE2 &&
+           mwindow->session->current_operation != DRAG_TRANSNHANDLE2 ) return;
        int64_t pixel1 = Units::round(mwindow->session->drag_position *
                mwindow->edl->session->sample_rate /
                mwindow->edl->local_session->zoom_sample -
@@ -1954,6 +1991,7 @@ void TrackCanvas::draw_drag_handle()
        set_line_width(3);
 
        for( Track *track=mwindow->edl->tracks->first; track; track=track->next ) {
+               if( track->is_hidden() ) continue;
                Edit *left = 0, *right = 0;
                double start = DBL_MAX, end = DBL_MIN;
                for( Edit *edit=track->edits->first; edit; edit=edit->next ) {
@@ -1974,7 +2012,10 @@ void TrackCanvas::draw_drag_handle()
                                        idxbl->get_audio_samples() :
                                edit->track->data_type == TRACK_VIDEO ?
                                        idxbl->get_video_frames() : -1;
-                       if( edit->startsource + edit->length >= source_len )
+                       int64_t speed_start = edit->startproject;
+                       int64_t speed_end = speed_start + edit->length;
+                       int64_t speed_length = track->speed_length(speed_start, speed_end);
+                       if( edit->startsource + speed_length >= source_len )
                                can_drag = 0;
                }
                else if( !edit->startsource )
@@ -1983,19 +2024,19 @@ void TrackCanvas::draw_drag_handle()
                edit_dimensions(edit, x, y, w, h);
                if( y+h < 0 || y >= get_h() ) continue;
                int edge_x = !drag_handle ? x : x + w;
-               int edge_y = y + h/2, k = 10;
+               int edge_y = y + h/2, xs10 = xS(10), ys10 = yS(10);
                if( edge_x >= 0 && edge_x < get_w() ) {
                        if( !can_drag ) {
-                               draw_line(edge_x-k,edge_y-k, edge_x+k,edge_y+k);
-                               draw_line(edge_x-k,edge_y+k, edge_x+k,edge_y-k);
+                               draw_line(edge_x-xs10,edge_y-ys10, edge_x+xs10,edge_y+ys10);
+                               draw_line(edge_x-xs10,edge_y+ys10, edge_x+xs10,edge_y-ys10);
                        }
                        else if( !drag_handle ) {
-                               draw_line(edge_x+k,edge_y-k, edge_x,edge_y);
-                               draw_line(edge_x+k,edge_y+k, edge_x,edge_y);
+                               draw_line(edge_x+xs10,edge_y-ys10, edge_x,edge_y);
+                               draw_line(edge_x+xs10,edge_y+ys10, edge_x,edge_y);
                        }
                        else {
-                               draw_line(edge_x,edge_y, edge_x-k,edge_y-k);
-                               draw_line(edge_x,edge_y, edge_x-k,edge_y+k);
+                               draw_line(edge_x,edge_y, edge_x-xs10,edge_y-ys10);
+                               draw_line(edge_x,edge_y, edge_x-xs10,edge_y+ys10);
                        }
                }
                edge_x += delta;
@@ -2010,8 +2051,10 @@ void TrackCanvas::draw_drag_handle()
 void TrackCanvas::draw_transitions()
 {
        int64_t x, y, w, h;
+       if( !mwindow->edl->session->auto_conf->transitions ) return;
 
        for(Track *track = mwindow->edl->tracks->first; track; track = track->next) {
+               if( track->is_hidden() ) continue;
                if( !track->show_transitions() ) continue;
 
                for(Edit *edit = track->edits->first; edit; edit = edit->next) {
@@ -2163,8 +2206,7 @@ int TrackCanvas::do_keyframes(int cursor_x,
 // track context menu to appear
        int result = 0;
        EDLSession *session = mwindow->edl->session;
-
-
+       int gang = session->gang_tracks != GANG_NONE || get_double_click() ? 1 : 0;
 
        static BC_Pixmap *auto_pixmaps[AUTOMATION_TOTAL] =
        {
@@ -2180,6 +2222,7 @@ int TrackCanvas::do_keyframes(int cursor_x,
        for(Track *track = mwindow->edl->tracks->first;
                track && !result;
                track = track->next) {
+               if( track->is_hidden() ) continue;
                Auto *auto_keyframe = 0;
                Automation *automation = track->automation;
 
@@ -2229,7 +2272,7 @@ int TrackCanvas::do_keyframes(int cursor_x,
                                                        auto_keyframe, grouptype);
 
                                                if( !result && buttonpress && i == AUTOMATION_SPEED )
-                                                       mwindow->speed_after(-1);
+                                                       mwindow->speed_after(-1, 0);
                                                if( result && buttonpress ) {
                                                        int color = GWindowGUI::auto_colors[i];
                                                        mwindow->gui->zoombar->update_autozoom(grouptype, color);
@@ -2271,7 +2314,7 @@ int TrackCanvas::do_keyframes(int cursor_x,
                                                if (buttonpress != 3)
                                                {
                                                        if(i == AUTOMATION_FADE || i == AUTOMATION_SPEED)
-                                                               fill_ganged_autos(get_double_click(), 0, track,
+                                                               fill_ganged_autos(gang, 0, track,
                                                                        (FloatAuto*)mwindow->session->drag_auto);
                                                        mwindow->session->current_operation = pre_auto_operations[i];
                                                        update_drag_caption();
@@ -2365,6 +2408,7 @@ void TrackCanvas::draw_keyframe_reticle()
            keyframe_hairline == HAIRLINE_DRAGGING && dragging ) ) {
                int show = dragging || keyframe_hairline == HAIRLINE_ALWAYS ? 1 : 0;
                for( Track *track = mwindow->edl->tracks->first; track; track=track->next ) {
+                       if( track->is_hidden() ) continue;
                        Automation *automation = track->automation;
                        for( int i=0; i<AUTOMATION_TOTAL; ++i ) {
                                if( !mwindow->edl->session->auto_conf->autos[i] ) continue;
@@ -2384,11 +2428,8 @@ void TrackCanvas::draw_keyframe_reticle()
        }
 }
 
-void TrackCanvas::draw_auto(Auto *current,
-       int x,
-       int y,
-       int center_pixel,
-       int zoom_track)
+void TrackCanvas::draw_auto(Auto *current, int x, int y,
+               int center_pixel, int data_h)
 {
        int x1, y1, x2, y2;
 
@@ -2397,8 +2438,8 @@ void TrackCanvas::draw_auto(Auto *current,
        y1 = center_pixel + y - HANDLE_W / 2;
        y2 = center_pixel + y + HANDLE_W / 2;
 
-       if(y1 < center_pixel + -zoom_track / 2) y1 = center_pixel + -zoom_track / 2;
-       if(y2 > center_pixel + zoom_track / 2) y2 = center_pixel + zoom_track / 2;
+       if( y1 < center_pixel - data_h/2 ) y1 = center_pixel - data_h/2;
+       if( y2 > center_pixel + data_h/2 ) y2 = center_pixel + data_h/2;
 
        draw_box(x1, y1, x2 - x1, y2 - y1);
 }
@@ -2452,22 +2493,21 @@ void TrackCanvas::draw_cropped_line(int x1,
 
 
 void TrackCanvas::draw_floatauto(FloatAuto *current,
-       int x,
-       int y,
-       int in_x,
-       int in_y,
-       int out_x,
-       int out_y,
-       int center_pixel,
-       int zoom_track,
-       int color)
+               int x_offset, int center_pixel, int data_h, int color,
+               double unit_start, double zoom_units, double yscale,
+               int autogrouptype)
 {
+       double xx, yy;
+       calculate_auto_position(1, &xx, &yy, 0, 0, 0, 0,
+               current, unit_start, zoom_units, yscale, autogrouptype);
+       int x = (int)xx + x_offset;
        int x1 = x - HANDLE_W / 2; // Center
        int x2 = x + HANDLE_W / 2;
-       int y1 = center_pixel + y - HANDLE_H / 2;
-       int y2 = center_pixel + y + HANDLE_H / 2;
-       int ymin = center_pixel - zoom_track / 2;
-       int ymax = center_pixel + zoom_track / 2;
+       int y = (int)yy + center_pixel;
+       int y1 = y - HANDLE_H / 2;
+       int y2 = y + HANDLE_H / 2;
+       int ymin = center_pixel - data_h / 2;
+       int ymax = center_pixel + data_h / 2;
        CLAMP(y1, ymin, ymax);
        CLAMP(y2, ymin, ymax);
 
@@ -2493,26 +2533,35 @@ void TrackCanvas::draw_floatauto(FloatAuto *current,
 // show bezier control points (only) if this
 // floatauto doesn't adjust it's tangents automatically
        if(current->curve_mode != FloatAuto::FREE &&
-          current->curve_mode != FloatAuto::TFREE)
+          current->curve_mode != FloatAuto::TFREE &&
+          current->curve_mode != FloatAuto::BUMP)
                return;
-
-       if(in_x != x)
-               draw_floatauto_ctrlpoint(x, y, in_x, in_y, center_pixel, zoom_track, color);
-       if(out_x != x)
-               draw_floatauto_ctrlpoint(x, y, out_x, out_y, center_pixel, zoom_track, color);
+       double in_xx, in_yy, out_xx, out_yy;
+       calculate_auto_position(1, &xx, &yy, &in_xx, &in_yy, 0, 0,
+               current, unit_start, zoom_units, yscale, autogrouptype);
+       int ix = xx, iy = yy, in_x = in_xx, in_y = in_yy;
+       if( in_x != ix )
+               draw_floatauto_ctrlpoint(ix, iy, in_x, in_y, center_pixel, data_h, color);
+       calculate_auto_position(0, &xx, &yy, 0, 0, &out_xx, &out_yy,
+               current, unit_start, zoom_units, yscale, autogrouptype);
+       int ox = xx, oy = yy, out_x = out_xx, out_y = out_yy;
+       if( out_x != ox )
+               draw_floatauto_ctrlpoint(ox, oy, out_x, out_y, center_pixel, data_h, color);
+       if( current->curve_mode == FloatAuto::BUMP && iy != oy )
+               draw_bline(ix, iy+center_pixel, ox, oy+center_pixel);
 }
 
 inline int quantize(float f) { return (int)floor(f + 0.5); }
 
 inline void TrackCanvas::draw_floatauto_ctrlpoint(
-       int x, int y, int cp_x, int cp_y, int center_pixel,
-       int zoom_track, int color)
+               int x, int y, int cp_x, int cp_y, int center_pixel,
+               int data_h, int color)
 // draw the tangent and a handle for given bézier ctrl point
 {
-       bool handle_visible = (abs(cp_y) <= zoom_track / 2);
+       bool handle_visible = (abs(cp_y) <= data_h/2);
 
        float slope = (float)(cp_y - y)/(cp_x - x);
-       CLAMP(cp_y, -zoom_track / 2, zoom_track / 2);
+       CLAMP(cp_y, -data_h/2, data_h/2);
        if(slope != 0)
                cp_x = x + quantize((cp_y - y) / slope);
 
@@ -2554,7 +2603,7 @@ inline void TrackCanvas::draw_floatauto_ctrlpoint(
 
 
 int TrackCanvas::test_auto(Auto *current,
-       int x, int y, int center_pixel, int zoom_track,
+       int x, int y, int center_pixel, int data_h,
        int cursor_x, int cursor_y, int buttonpress)
 {
        int x1, y1, x2, y2;
@@ -2564,8 +2613,8 @@ int TrackCanvas::test_auto(Auto *current,
        x2 = x + HANDLE_W / 2;
        y1 = center_pixel + y - HANDLE_H / 2;
        y2 = center_pixel + y + HANDLE_H / 2;
-       int ymin = center_pixel - zoom_track / 2;
-       int ymax = center_pixel + zoom_track / 2;
+       int ymin = center_pixel - data_h/2;
+       int ymax = center_pixel + data_h/2;
        CLAMP(y1, ymin, ymax);
        CLAMP(y2, ymin, ymax);
 
@@ -2640,18 +2689,23 @@ float TrackCanvas::value_to_percentage(float auto_value, int autogrouptype)
 
 
 
-int TrackCanvas::test_floatauto(FloatAuto *current, int x, int y, int in_x,
-       int in_y, int out_x, int out_y, int center_pixel, int zoom_track,
-       int cursor_x, int cursor_y, int buttonpress, int autogrouptype)
+int TrackCanvas::test_floatauto(FloatAuto *current, int buttonpress,
+               int center_pixel, int data_h, int cursor_x, int cursor_y,
+               double unit_start, double zoom_units, double yscale,
+               int autogrouptype)
 {
        int result = 0;
-
-       int x1 = x - HANDLE_W / 2;
-       int x2 = x + HANDLE_W / 2;
-       int y1 = center_pixel + y - HANDLE_W / 2;
-       int y2 = center_pixel + y + HANDLE_W / 2;
-       int ymin = center_pixel - zoom_track / 2;
-       int ymax = center_pixel + zoom_track / 2;
+       double xx, yy, in_xx, in_yy, out_xx, out_yy;
+       calculate_auto_position(1, &xx, &yy, &in_xx, &in_yy, 0, 0,
+               current, unit_start, zoom_units, yscale, autogrouptype);
+       int ix = xx, iy = yy, in_x = in_xx, in_y = in_yy;
+
+       int x1 = ix - HANDLE_W / 2;
+       int x2 = ix + HANDLE_W / 2;
+       int y1 = center_pixel + iy - HANDLE_W / 2;
+       int y2 = center_pixel + iy + HANDLE_W / 2;
+       int ymin = center_pixel - data_h/2;
+       int ymax = center_pixel + data_h/2;
        CLAMP(y1, ymin, ymax);
        CLAMP(y2, ymin, ymax);
 
@@ -2662,6 +2716,9 @@ int TrackCanvas::test_floatauto(FloatAuto *current, int x, int y, int in_x,
        CLAMP(in_y1, ymin, ymax);
        CLAMP(in_y2, ymin, ymax);
 
+       calculate_auto_position(0, &xx, &yy, 0, 0, &out_xx, &out_yy,
+               current, unit_start, zoom_units, yscale, autogrouptype);
+       int ox = xx, oy = yy, out_x = out_xx, out_y = out_yy;
        int out_x1 = out_x - HANDLE_W / 2;
        int out_x2 = out_x + HANDLE_W / 2;
        int out_y1 = center_pixel + out_y - HANDLE_W / 2;
@@ -2719,13 +2776,14 @@ int TrackCanvas::test_floatauto(FloatAuto *current, int x, int y, int in_x,
                float lever = 0.0; // we use the tangent as a draggable lever. 1.0 is at the ctrl point
 
 // Test in control
-               if( in_x != x && current->position > 0 &&
+               if( in_x != ix && current->position > 0 &&
                        (FloatAuto::FREE == current->curve_mode ||
-                        FloatAuto::TFREE == current->curve_mode))
+                        FloatAuto::TFREE == current->curve_mode ||
+                        FloatAuto::BUMP == current->curve_mode))
 // act on in control handle only if
 // tangent is significant and is editable (not automatically choosen)
                {
-                       lever = test_curve_line(x, y, in_x, in_y, cursor_x, cursor_y-center_pixel);
+                       lever = test_curve_line(ix, iy, in_x, in_y, cursor_x, cursor_y-center_pixel);
  // either cursor in ctrl-point handle or cursor on tangent line
                        if( WITHIN(in_x1,in_x2,in_y1,in_y2) || lever > 0.0 ) {
                                result = 1;
@@ -2741,12 +2799,13 @@ int TrackCanvas::test_floatauto(FloatAuto *current, int x, int y, int in_x,
                }
 
 // Test out control
-               if(out_x != x &&
+               if(out_x != ox &&
                        (FloatAuto::FREE == current->curve_mode ||
-                        FloatAuto::TFREE == current->curve_mode))
+                        FloatAuto::TFREE == current->curve_mode ||
+                        FloatAuto::BUMP == current->curve_mode))
 // act on out control only if tangent is significant and is editable
                {
-                       lever = test_curve_line(x, y, out_x, out_y, cursor_x, cursor_y-center_pixel);
+                       lever = test_curve_line(ox, oy, out_x, out_y, cursor_x, cursor_y-center_pixel);
                        if(WITHIN(out_x1,out_x2,out_y1,out_y2) || lever > 0.0 ) {
                                result = 1;
                                if(buttonpress && (buttonpress != 3)) {
@@ -2774,32 +2833,41 @@ int TrackCanvas::test_floatauto(FloatAuto *current, int x, int y, int in_x,
        if(buttonpress && (buttonpress != 3) && result)
        {
                mwindow->undo->update_undo_before();
+               double position = current->autos->track->from_units(current->position);
+               mwindow->edl->local_session->set_selectionstart(position);
+               mwindow->edl->local_session->set_selectionend(position);
        }
 
        return result;
 }
 
+static int is_linear(FloatAuto *prev, FloatAuto *next)
+{
+       if( !prev || !next ) return 0;
+       if( prev->curve_mode == FloatAuto::LINEAR ) return 1;
+       int64_t ipos = prev->get_control_in_position();
+       int64_t opos = prev->get_control_out_position();
+       if( !ipos && !opos ) return 1;
+       if( !ipos || !opos ) return 0;
+       float ival = next->get_control_in_value();
+       float oval = prev->get_control_out_value();
+       float cval = prev->get_value(0), nval = next->get_value(1);
+       if( !ival && !oval && EQUIV(cval, nval) ) return 1;
+       float ig = ival / ipos, og = oval / opos;
+       int64_t cpos = prev->position, npos = next->position;
+       float g = (nval - cval) / (npos - cpos);
+       if( !EQUIV(g, 0) && EQUIV(ig, g) && EQUIV(og, g) ) return 1;
+       return 0;
+}
 
 // Get the float value & y for position x on the canvas
 #define X_TO_FLOATLINE(x) \
-       int64_t position1 = (int64_t)(unit_start + x * zoom_units); \
-       int64_t position2 = (int64_t)(unit_start + x * zoom_units) + 1; \
+       double position = unit_start + x * zoom_units; \
+       int64_t position1 = (int64_t)position, position2 = position1 + 1; \
 /* Call by reference fails for some reason here */ \
        float value1 = autos->get_value(position1, PLAY_FORWARD, previous1, next1); \
        float value2 = autos->get_value(position2, PLAY_FORWARD, previous1, next1); \
-       double position = unit_start + x * zoom_units; \
-       double value = 0; \
-       if(position2 > position1) \
-       { \
-               value = value1 + \
-                       (value2 - value1) * \
-                       (position - position1) / \
-                       (position2 - position1); \
-       } \
-       else \
-       { \
-               value = value1; \
-       } \
+       double value = value1 + (value2 - value1) * (position - position1); \
        AUTOMATIONCLAMPS(value, autogrouptype); \
        int y = center_pixel + \
                (int)(((value - automation_min) / automation_range - 0.5) * -yscale);
@@ -2811,45 +2879,53 @@ void TrackCanvas::draw_floatline(int center_pixel,
        int x1, int y1, int x2, int y2,
        int color, int autogrouptype)
 {
+       int ytop = center_pixel - yscale / 2;
+       int ybot = center_pixel + yscale / 2 - 1;
+       y1 += center_pixel;  y2 += center_pixel;
+       if( (y1 < ytop && y1 >= ybot) && (y2 < ytop || y2 >= ybot) ) return;
+// check for line draw
+       if( is_linear(previous, next) ) {
+               if( previous && previous->curve_mode == FloatAuto::BUMP ) {
+                       double ax, ay;
+                       calculate_auto_position(0, &ax, &ay, 0, 0, 0, 0, previous,
+                               unit_start, zoom_units, yscale, autogrouptype);
+                       x1 = ax;  y1 = ay;  y1 += center_pixel;
+               }
+               draw_line(x1, y1, x2, y2);
+               return;
+       }
+
 // Solve bezier equation for either every pixel or a certain large number of
 // points.
 
 // Not using slope intercept
        x1 = MAX(0, x1);
-       int prev_y = y1 + center_pixel;
-
+       draw_pixel(x1, y1);
+       int prev_y = y1;
 
 // Call by reference fails for some reason here
        FloatAuto *previous1 = previous, *next1 = next;
        float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
        float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
        float automation_range = automation_max - automation_min;
-
-       for(int x = x1; x < x2; x++)
-       {
+       if( autogrouptype == AUTOGROUPTYPE_SPEED && automation_range < SPEED_MIN )
+               automation_range = SPEED_MIN;
+       for( int x=x1; x<x2; ++x ) {
 // Interpolate value between frames
                X_TO_FLOATLINE(x)
 
-               if(/* x > x1 && */
-                       y >= center_pixel - yscale / 2 &&
-                       y < center_pixel + yscale / 2 - 1)
-               {
-// printf("TrackCanvas::draw_floatline y=%d min=%d max=%d\n",
-// y,
-// (int)(center_pixel - yscale / 2),
-// (int)(center_pixel + yscale / 2 - 1));
-
-//printf("draw_line(%d,%d,  %d,%d)\n", x - 1, prev_y  , x, y);
-                       draw_line(x - 1, prev_y  , x, y   );
+               if( /* x > x1 && */ y >= ytop && y < ybot ) {
+                       int x1 = x-1, y1 = prev_y, x2 = x, y2 = y;
+                       if( abs(y2-y1) < 2 )
+                               draw_pixel(x2, y2);
+                       else
+                               draw_bline(x1, y1, x2, y2);
                }
                prev_y = y;
        }
 }
 
 
-
-
-
 int TrackCanvas::test_floatline(int center_pixel,
                FloatAutos *autos,
                double unit_start,
@@ -2868,6 +2944,8 @@ int TrackCanvas::test_floatline(int center_pixel,
        float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
        float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
        float automation_range = automation_max - automation_min;
+       if( autogrouptype == AUTOGROUPTYPE_SPEED && automation_range < SPEED_MIN )
+               automation_range = SPEED_MIN;
        FloatAuto *previous1 = 0, *next1 = 0;
        X_TO_FLOATLINE(cursor_x);
 
@@ -2906,39 +2984,43 @@ int TrackCanvas::test_floatline(int center_pixel,
        return result;
 }
 
-
-void TrackCanvas::fill_ganged_autos(int all, float change, Track *skip, FloatAuto *fauto)
+// gang=-1 for keyframepopup update, all tracks where fautos exist
+// gang=0 for trackcanvas drag update, all gang matching tracks, create new fautos if needed
+// gang=1 for trackcanvas drag update, all gang tracks, create new fautos if needed
+void TrackCanvas::fill_ganged_autos(int gang, float change, Track *skip, FloatAuto *fauto)
 {
-       if( !skip->gang ) return;
+       if( !skip->is_ganged() ) return;
 // Handles the special case of modifying a fadeauto
 // when there are ganged faders on several tracks
        double position = skip->from_units(fauto->position);
        int autoidx = fauto->autos->autoidx;
-
+       PatchGUI *patch = gang < 0 ? pane->patchbay->get_patch_of(skip) : 0;
+       int edge = patch ? patch->edge : 0;
+       int span = patch ? patch->span : 0;
        for(Track *current = mwindow->edl->tracks->first; current; current = NEXT) {
-               if( (all || current->data_type == skip->data_type) &&
-                   current->gang && current->record && current != skip ) {
+               if( current == skip || !current->is_armed() ) continue;
+               if( !gang && current->data_type != skip->data_type ) continue;
+               if( skip->armed_gang(current) || get_double_click() ) {
                        FloatAutos *fade_autos = (FloatAutos*)current->automation->autos[autoidx];
-                       float auto_min = mwindow->edl->local_session->automation_mins[fade_autos->autogrouptype];
-                       float auto_max = mwindow->edl->local_session->automation_maxs[fade_autos->autogrouptype];
-                       int64_t current_position = current->to_units(position, 1);
                        FloatAuto *keyframe = (FloatAuto*)fade_autos->get_auto_at_position(position);
+                       int64_t current_position = current->to_units(position, 1);
                        if( keyframe ) {
 // keyframe exists, just change it
-                               float value = keyframe->get_value();
-                               float new_value = value + change;
-                               CLAMP(new_value, auto_min, auto_max);
-                               keyframe->adjust_to_new_coordinates(current_position, new_value);
+                               keyframe->bump_update(current_position, change, edge, span);
                        }
-                       else {
+                       else if( gang >= 0 ) {
 // create keyframe on neighbouring track at the point in time given by fauto
                                FloatAuto *previous = 0, *next = 0;
                                float value = fade_autos->get_value(current_position, PLAY_FORWARD, previous, next);
                                float new_value = value + change;
-                               CLAMP(new_value, auto_min, auto_max);
+                               float auto_min = mwindow->edl->local_session->automation_mins[fade_autos->autogrouptype];
+                               float auto_max = mwindow->edl->local_session->automation_maxs[fade_autos->autogrouptype];
+                               bclamp(new_value, auto_min, auto_max);
                                keyframe = (FloatAuto*)fade_autos->insert_auto(current_position);
-                               keyframe->set_value(new_value);
+                               keyframe->set_value(new_value, edge);
                        }
+                       else
+                               continue;
                        mwindow->session->drag_auto_gang->append((Auto *)keyframe);
                }
        }
@@ -2951,11 +3033,9 @@ void TrackCanvas::update_ganged_autos(float change, Track *skip, FloatAuto *faut
        for (int i = 0; i < mwindow->session->drag_auto_gang->total; i++) {
                FloatAuto *keyframe = (FloatAuto *)mwindow->session->drag_auto_gang->values[i];
                int64_t keyframe_position = keyframe->autos->track->to_units(position, 1);
-               float new_value = keyframe->get_value() + change;
-               CLAMP(new_value,
-                     mwindow->edl->local_session->automation_mins[keyframe->autos->autogrouptype],
-                     mwindow->edl->local_session->automation_maxs[keyframe->autos->autogrouptype]);
-               keyframe->adjust_to_new_coordinates(keyframe_position, new_value);
+               keyframe->bump_update(keyframe_position, change, 0, 0);
+               keyframe->set_control_in_value(fauto->get_control_in_value());
+               keyframe->set_control_out_value(fauto->get_control_out_value());
        }
 }
 
@@ -3062,12 +3142,12 @@ void TrackCanvas::calculate_viewport(Track *track,
        int has_titles = track->show_titles();
        int has_assets = track->show_assets();
        double title_bg_h = mwindow->theme->get_image("title_bg_data")->get_h();
-       double asset_h = resource_h();
        double title_h = mwindow->theme->title_h;
-       double ys = has_assets ? asset_h : has_titles ? title_bg_h : 0;
+       double data_h = track->data_h;
+       double ys = has_assets ? data_h : has_titles ? title_bg_h : 0;
        double dy = has_titles ?
-               ( has_assets ? title_bg_h + asset_h/2 : title_bg_h/2) :
-               ( has_assets ? asset_h/2 : 0) ;
+               ( has_assets ? title_bg_h + data_h/2 : title_bg_h/2) :
+               ( has_assets ? data_h/2 : 0) ;
        if( dy < title_h/2 ) { ys = title_h;  dy = ys / 2; }
        yscale = ys;
        center_pixel = y + dy;
@@ -3107,7 +3187,7 @@ float TrackCanvas::percentage_to_value(float percentage,
 }
 
 
-void TrackCanvas::calculate_auto_position(double *x, double *y,
+void TrackCanvas::calculate_auto_position(int edge, double *x, double *y,
        double *in_x, double *in_y, double *out_x, double *out_y,
        Auto *current, double unit_start, double zoom_units, double yscale,
        int autogrouptype)
@@ -3115,9 +3195,11 @@ void TrackCanvas::calculate_auto_position(double *x, double *y,
        float automation_min = mwindow->edl->local_session->automation_mins[autogrouptype];
        float automation_max = mwindow->edl->local_session->automation_maxs[autogrouptype];
        float automation_range = automation_max - automation_min;
+       if( autogrouptype == AUTOGROUPTYPE_SPEED && automation_range < SPEED_MIN )
+               automation_range = SPEED_MIN;
        FloatAuto *ptr = (FloatAuto*)current;
        *x = (double)(ptr->position - unit_start) / zoom_units;
-       *y = ((ptr->get_value() - automation_min) / automation_range - 0.5) * -yscale;
+       *y = ((ptr->get_value(edge) - automation_min) / automation_range - 0.5) * -yscale;
 
        if(in_x) {
 //             *in_x = EQUIV(ptr->control_in_value, 0.0) ? *x : *x - mwindow->theme->control_pixels;
@@ -3125,7 +3207,7 @@ void TrackCanvas::calculate_auto_position(double *x, double *y,
        }
 
        if(in_y) {
-               *in_y = (((ptr->get_value() + ptr->get_control_in_value()) -
+               *in_y = (((ptr->get_value(edge) + ptr->get_control_in_value()) -
                                automation_min) / automation_range - 0.5) * -yscale;
        }
 
@@ -3135,7 +3217,7 @@ void TrackCanvas::calculate_auto_position(double *x, double *y,
        }
 
        if(out_y) {
-               *out_y = (((ptr->get_value() + ptr->get_control_out_value()) -
+               *out_y = (((ptr->get_value(edge) + ptr->get_control_out_value()) -
                                 automation_min) / automation_range - 0.5) * -yscale;
        }
 }
@@ -3150,7 +3232,6 @@ int TrackCanvas::do_float_autos(Track *track, Autos *autos, int cursor_x, int cu
        double view_start, unit_start;
        double view_end, unit_end, yscale;
        double zoom_sample, zoom_units;
-       double in_x2, in_y2, out_x2, out_y2;
        double slope;
        //int skip = 0;
 
@@ -3173,7 +3254,7 @@ int TrackCanvas::do_float_autos(Track *track, Autos *autos, int cursor_x, int cu
 
        double ax = 0, ay = 0, ax2 = 0, ay2 = 0;
        if( first_auto ) {
-               calculate_auto_position(&ax, &ay, 0, 0, 0, 0,
+               calculate_auto_position(0, &ax, &ay, 0, 0, 0, 0,
                        first_auto, unit_start, zoom_units, yscale, autogrouptype);
        }
        if( current )
@@ -3188,7 +3269,7 @@ int TrackCanvas::do_float_autos(Track *track, Autos *autos, int cursor_x, int cu
                draw_auto = 1;
 
                if(current) {
-                       calculate_auto_position(&ax2, &ay2, &in_x2, &in_y2, &out_x2, &out_y2,
+                       calculate_auto_position(1, &ax2, &ay2, 0, 0, 0, 0,
                                current, unit_start, zoom_units, yscale, autogrouptype);
                }
                else {
@@ -3212,24 +3293,22 @@ int TrackCanvas::do_float_autos(Track *track, Autos *autos, int cursor_x, int cu
 
 // Draw or test handle
                if( current && !result && current != autos->default_auto ) {
-                       if( !draw && track->record ) {
-                               result = test_floatauto((FloatAuto*)current, (int)ax2, (int)ay2,
-                                       (int)in_x2, (int)in_y2, (int)out_x2, (int)out_y2,
+                       if( !draw && track->is_armed() ) {
+                               result = test_floatauto((FloatAuto*)current, buttonpress,
                                        (int)center_pixel, (int)yscale, cursor_x, cursor_y,
-                                       buttonpress, autogrouptype);
+                                       unit_start, zoom_units, yscale, autogrouptype);
                                if( result )
                                        auto_instance = current;
                        }
                        if( draw && draw_auto ) {
-                               draw_floatauto((FloatAuto*)current, (int)ax2 + x_offset, (int)ay2,
-                                       (int)in_x2 + x_offset, (int)in_y2,
-                                       (int)out_x2 + x_offset, (int)out_y2,
-                                       (int)center_pixel + y_offset, (int)yscale, color);
+                               draw_floatauto((FloatAuto*)current, x_offset,
+                                       (int)center_pixel + y_offset, (int)yscale, color,
+                                       unit_start, zoom_units, yscale, autogrouptype);
                        }
                }
 
 // Draw or test joining line
-               if( !draw && !result && track->record /* && buttonpress != 3 */ ) {
+               if( !draw && !result && track->is_armed() /* && buttonpress != 3 */ ) {
                        result = test_floatline(center_pixel,
                                (FloatAutos*)autos, unit_start, zoom_units, yscale,
 // Exclude auto coverage from the end of the line.  The auto overlaps
@@ -3244,15 +3323,16 @@ int TrackCanvas::do_float_autos(Track *track, Autos *autos, int cursor_x, int cu
 
                if( current ) {
                        previous = current;
+                       calculate_auto_position(0, &ax2, &ay2, 0, 0, 0, 0, previous,
+                               unit_start, zoom_units, yscale, autogrouptype);
                        current = NEXT;
                }
-
                ax = ax2;  ay = ay2;
        } while( current && current->position <= unit_end && !result );
 
        if( ax < get_w() && !result ) {
                ax2 = get_w();  ay2 = ay;
-               if(!draw && track->record /* && buttonpress != 3 */ ) {
+               if(!draw && track->is_armed() /* && buttonpress != 3 */ ) {
                        result = test_floatline(center_pixel,
                                (FloatAutos*)autos, unit_start, zoom_units, yscale,
                                (int)ax, (int)ax2, cursor_x, cursor_y,
@@ -3357,7 +3437,7 @@ int TrackCanvas::do_int_autos(Track *track,
                        {
                                if(!draw)
                                {
-                                       if(track->record)
+                                       if(track->is_armed())
                                        {
                                                result = test_auto(current,
                                                        (int)ax2,
@@ -3386,7 +3466,7 @@ int TrackCanvas::do_int_autos(Track *track,
                {
                        if(!result)
                        {
-                               if(track->record /* && buttonpress != 3 */)
+                               if(track->is_armed() /* && buttonpress != 3 */)
                                {
                                        result = test_toggleline(autos,
                                                center_pixel,
@@ -3417,7 +3497,7 @@ int TrackCanvas::do_int_autos(Track *track,
                ay2 = ay;
                if(!draw)
                {
-                       if(track->record /* && buttonpress != 3 */)
+                       if(track->is_armed() /* && buttonpress != 3 */)
                        {
                                result = test_toggleline(autos,
                                        center_pixel,
@@ -3568,7 +3648,7 @@ int TrackCanvas::do_plugin_autos(Track *track, int cursor_x, int cursor_y,
                if( track->show_titles() )
                        center_pixel += mwindow->theme->get_image("title_bg_data")->get_h();
                if( track->show_assets() )
-                       center_pixel += resource_h();
+                       center_pixel += track->data_h;
                center_pixel += (i + 0.5) * mwindow->theme->get_image("plugin_bg_data")->get_h();
 
                for(Plugin *plugin = (Plugin*)plugin_set->first;
@@ -3659,7 +3739,7 @@ int TrackCanvas::draw_hairline(Auto *auto_keyframe, int color, int show)
                return 0;
 
        double ax = 0, ay = 0;
-       calculate_auto_position(&ax, &ay, 0, 0, 0, 0,
+       calculate_auto_position(0, &ax, &ay, 0, 0, 0, 0,
                auto_keyframe, unit_start, zoom_units, yscale, autogrouptype);
 
        set_color(color);
@@ -3680,8 +3760,8 @@ int TrackCanvas::draw_hairline(Auto *auto_keyframe, int color, int show)
        }
        if( show ) {
                int font = MEDIUMFONT;
-               int tw = get_text_width(font, text)  + TOOLTIP_MARGIN * 2;
-               int th = get_text_height(font, text) + TOOLTIP_MARGIN * 2;
+               int tw = get_text_width(font, text)  + xS(TOOLTIP_MARGIN) * 2;
+               int th = get_text_height(font, text) + yS(TOOLTIP_MARGIN) * 2;
                set_color(get_resources()->tooltip_bg_color);
                ax += HANDLE_W/2;
                ay += center_pixel + HANDLE_W/2;
@@ -3689,8 +3769,8 @@ int TrackCanvas::draw_hairline(Auto *auto_keyframe, int color, int show)
                set_color(BLACK);
                draw_rectangle(ax, ay, tw, th);
                set_font(font);
-               ax += TOOLTIP_MARGIN;
-               ay += TOOLTIP_MARGIN + get_text_ascent(font);
+               ax += xS(TOOLTIP_MARGIN);
+               ay += yS(TOOLTIP_MARGIN) + get_text_ascent(font);
                draw_text(ax, ay, text);
        }
        return 0;
@@ -3701,13 +3781,7 @@ void TrackCanvas::draw_overlays()
        int new_cursor, update_cursor, rerender;
 
 // Move background pixmap to foreground pixmap
-       draw_pixmap(background_pixmap,
-               0,
-               0,
-               get_w(),
-               get_h(),
-               0,
-               0);
+       draw_pixmap(background_pixmap, 0, 0, get_w(), get_h(), 0, 0);
 
 // In/Out points
        draw_inout_points();
@@ -3774,14 +3848,8 @@ void TrackCanvas::update_drag_handle()
        double new_position;
        int cursor_x = get_cursor_x();
 
-       new_position =
-               (double)(cursor_x +
-               mwindow->edl->local_session->view_start[pane->number]) *
-               mwindow->edl->local_session->zoom_sample /
-               mwindow->edl->session->sample_rate;
-
-       new_position =
-               mwindow->edl->align_to_frame(new_position, 0);
+       new_position = mwindow->edl->get_cursor_position(cursor_x, pane->number);
+       new_position = mwindow->edl->align_to_frame(new_position, 0);
 
        if( ctrl_down() && alt_down() ) {
 #define snapper(v) do { \
@@ -3883,16 +3951,20 @@ int TrackCanvas::render_handle_frame(EDL *edl, int64_t pos, int mode)
                        !vrender->process_buffer(&vlt, left, 0) &&
                        !vrender->process_buffer(&vrt, pos , 0) ? 0 : 1;
                delete render_engine;
-               delete video_cache;
+               video_cache->remove_user();
                mwindow->cwindow->gui->lock_window("TrackCanvas::render_handle_frame 0");
                Canvas *canvas = mwindow->cwindow->gui->canvas;
-               int w = canvas->w, h = canvas->h, w2 = w/2, h2 = h/2;
-               int lx = 0, ly = h2/2, rx = w2, ry = h2/2;
+               float ox1, oy1, ox2, oy2, cx1, cy1, cx2, cy2;
+               canvas->get_transfers(edl, ox1, oy1, ox2, oy2, cx1, cy1, cx2, cy2);
+               float cw = canvas->w/2, ch = canvas->h/2;
+               float cdx = (cx2 - cx1)/2, cdy = (cy2 - cy1)/2;
+               int cx = cx1/2, cy = cy1/2 + ch/2;
+               int ow = ox2 - ox2, oh = oy2 - oy1;
                BC_WindowBase *window = canvas->get_canvas();
                window->set_color(BLACK);
                window->clear_box(0,0, window->get_w(),window->get_h());
-               window->draw_vframe(&vlt, lx,ly, w2,h2, 0,0,vlt.get_w(),vlt.get_h());
-               window->draw_vframe(&vrt, rx,ry, w2,h2, 0,0,vrt.get_w(),vrt.get_h());
+               window->draw_vframe(&vlt, cx,cy, cdx,cdy, ox1,oy1, ow,oh);  cx += cw;
+               window->draw_vframe(&vrt, cx,cy, cdx,cdy, ox1,oy1, ow,oh);
                window->flash(1);
                mwindow->cwindow->gui->unlock_window();
                break; }
@@ -3933,7 +4005,7 @@ int TrackCanvas::get_drag_values(float *percentage,
        *percentage = 0;
        *position = 0;
 
-       if(!current->autos->track->record) return 1;
+       if(!current->autos->track->is_armed()) return 1;
        double view_start;
        double unit_start;
        double view_end;
@@ -3969,7 +4041,7 @@ int TrackCanvas::get_drag_values(float *percentage,
 
 #define UPDATE_DRAG_HEAD(do_clamp) \
        int result = 0, center_pixel; \
-       if(!current->autos->track->record) return 0; \
+       if(!current->autos->track->is_armed()) return 0; \
        double view_start, unit_start, view_end, unit_end; \
        double yscale, zoom_sample, zoom_units; \
  \
@@ -4000,7 +4072,8 @@ int TrackCanvas::update_drag_floatauto(int cursor_x, int cursor_y)
 // not really editing the node, rather start editing the curve
 // tangent is editable and drag movement is significant
                if( (FloatAuto::FREE == current->curve_mode ||
-                    FloatAuto::TFREE==current->curve_mode) &&
+                    FloatAuto::TFREE==current->curve_mode ||
+                    FloatAuto::BUMP==current->curve_mode) &&
                    (fabs(x) > HANDLE_W / 2 || fabs(y) > HANDLE_W / 2))
                        mwindow->session->drag_handle = x < 0 ? 1 : 2;
        }
@@ -4010,28 +4083,27 @@ int TrackCanvas::update_drag_floatauto(int cursor_x, int cursor_y)
 // Snap to nearby values
                old_value = current->get_value();
                if(shift_down()) {
-                       double value1, value2, distance1=-1, distance2=-1;
-
+                       double distance1=-1, distance2=-1;
                        if(current->previous) {
                                int autogrouptype = current->previous->autos->autogrouptype;
                                value = percentage_to_value(percentage, 0, 0, autogrouptype);
-                               value1 = ((FloatAuto*)current->previous)->get_value();
+                               double value1 = ((FloatAuto*)current->previous)->get_value(0);
                                distance1 = fabs(value - value1);
-                               current->set_value(value1);
+                               current->set_value(value1, 1);
                        }
 
                        if(current->next) {
                                int autogrouptype = current->next->autos->autogrouptype;
                                value = percentage_to_value(percentage, 0, 0, autogrouptype);
-                               value2 = ((FloatAuto*)current->next)->get_value();
+                               double value2 = ((FloatAuto*)current->next)->get_value(1);
                                distance2 = fabs(value - value2);
                                if(!current->previous || distance2 < distance1) {
-                                       current->set_value(value2);
+                                       current->set_value(value2, 0);
                                }
                        }
 
                        if(!current->previous && !current->next) {
-                               current->set_value( ((FloatAutos*)current->autos)->default_);
+                               current->set_value(((FloatAutos*)current->autos)->default_, 0);
                        }
                        value = current->get_value();
                }
@@ -4245,42 +4317,46 @@ int TrackCanvas::cursor_update(int in_motion)
        {
                case DRAG_EDITHANDLE1:
 // Outside threshold.  Upgrade status
-                       if(active)
-                       {
-                               if(labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W)
-                               {
-                                       mwindow->session->current_operation = DRAG_EDITHANDLE2;
-                                       update_overlay = 1;
-                               }
+                       if( !active ) break;
+                       if( labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W ) {
+                               mwindow->session->current_operation = DRAG_EDITHANDLE2;
+                               update_overlay = 1;
                        }
                        break;
-
                case DRAG_EDITHANDLE2:
-                       if(active)
-                       {
-                               update_drag_handle();
-                               update_overlay = 1;
-                       }
+                       if( !active ) break;
+                       update_drag_handle();
+                       update_overlay = 1;
                        break;
 
                case DRAG_PLUGINHANDLE1:
-                       if(active)
-                       {
-                               if(labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W)
-                               {
-                                       mwindow->session->current_operation = DRAG_PLUGINHANDLE2;
-                                       update_overlay = 1;
-                               }
+                       if( !active ) break;
+                       if( labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W ) {
+                               mwindow->session->current_operation = DRAG_PLUGINHANDLE2;
+                               update_overlay = 1;
                        }
                        break;
-
                case DRAG_PLUGINHANDLE2:
-                       if(active)
-                       {
-                               update_drag_handle();
+                       if( !active ) break;
+                       update_drag_handle();
+                       update_overlay = 1;
+                       break;
+
+               case DRAG_TRANSNHANDLE1:
+                       if( !active ) break;
+                       if( labs(get_cursor_x() - mwindow->session->drag_origin_x) > HANDLE_W ) {
+                               mwindow->session->current_operation = DRAG_TRANSNHANDLE2;
                                update_overlay = 1;
                        }
                        break;
+               case DRAG_TRANSNHANDLE2: {
+                       if( !active ) break;
+                       position = mwindow->edl->get_cursor_position(get_cursor_x(), pane->number);
+                       position = mwindow->edl->align_to_frame(position, 1);
+                       drag_transition_handle(position);
+                       rerender = 1;
+                       update_overlay = 1;
+                       break; }
 
 // Rubber band curves
                case DRAG_FADE:
@@ -4296,7 +4372,7 @@ int TrackCanvas::cursor_update(int in_motion)
                        if(active) rerender = update_overlay =
                                update_drag_floatauto(get_cursor_x(), get_cursor_y());
                        if( rerender && mwindow->session->current_operation == DRAG_SPEED )
-                               mwindow->speed_after(!in_motion ? 1 : 0);
+                               mwindow->speed_after(!in_motion ? 1 : 0, 0);
                        break;
 
                case DRAG_PLAY:
@@ -4403,6 +4479,8 @@ int TrackCanvas::cursor_update(int in_motion)
                                                0, new_cursor, update_cursor)) break;
                                if(do_keyframes(get_cursor_x(), get_cursor_y(),
                                        0, 0, new_cursor, update_cursor, rerender)) break;
+                               if(do_transition_handles(get_cursor_x(), get_cursor_y(),
+                                       0, rerender, update_overlay, new_cursor, update_cursor)) break;
                                if(do_edit_handles(get_cursor_x(), get_cursor_y(),
                                        0, rerender, update_overlay, new_cursor, update_cursor)) break;
 // Plugin boundaries
@@ -4602,9 +4680,23 @@ int TrackCanvas::button_release_event()
                        result = 1;
                        break;
 
+               case DRAG_TRANSNHANDLE2:
+                       mwindow->session->current_operation = NO_OPERATION;
+                       drag_scroll = 0;
+                       result = 1;
+
+                       end_transnhandle_selection();
+                       break;
+
+               case DRAG_TRANSNHANDLE1:
+                       mwindow->session->current_operation = NO_OPERATION;
+                       drag_scroll = 0;
+                       result = 1;
+                       break;
+
                case DRAG_SPEED:
                        redraw = FORCE_REDRAW;
-                       load_flags |= LOAD_EDITS;
+                       load_flags |= LOAD_EDITS | LOAD_TIMEBAR;
                case DRAG_FADE:
 // delete the drag_auto_gang first and remove out of order keys
                        clear_ganged_autos();
@@ -4721,6 +4813,7 @@ int TrackCanvas::do_edit_handles(int cursor_x, int cursor_y, int button_press,
        int result = 0;
 
        for( Track *track=mwindow->edl->tracks->first; track && !result; track=track->next) {
+               if( track->is_hidden() ) continue;
                for( Edit *edit=track->edits->first; edit && !result; edit=edit->next ) {
                        int64_t edit_x, edit_y, edit_w, edit_h;
                        edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
@@ -4801,7 +4894,7 @@ int TrackCanvas::do_edit_handles(int cursor_x, int cursor_y, int button_press,
                        update_overlay = 1;
                }
        }
-       else if( result < 0 ) {
+       else if( result < 0 && !edit_result->silence() ) {
                mwindow->undo->update_undo_before();
                if( !shift_down() ) {
                        if( handle_result == 0 )
@@ -4817,6 +4910,7 @@ int TrackCanvas::do_edit_handles(int cursor_x, int cursor_y, int button_press,
                        if( handle_result == 1 ) edit_edge += edit_result->length;
                        double edge_position = edit_result->track->from_units(edit_edge);
                        for( Track *track=mwindow->edl->tracks->first; track!=0; track=track->next ) {
+                               if( track->is_hidden() ) continue;
                                int64_t track_position = track->to_units(edge_position, 1);
                                Edit *left_edit = track->edits->editof(track_position, PLAY_FORWARD, 0);
                                if( left_edit ) {
@@ -4863,6 +4957,7 @@ int TrackCanvas::do_plugin_handles(int cursor_x,
        for(Track *track = mwindow->edl->tracks->first;
                track && !result;
                track = track->next) {
+               if( track->is_hidden() ) continue;
                for(int i = 0; i < track->plugin_set.total && !result; i++) {
                        PluginSet *plugin_set = track->plugin_set.values[i];
                        for(Plugin *plugin = (Plugin*)plugin_set->first;
@@ -4921,6 +5016,95 @@ int TrackCanvas::do_plugin_handles(int cursor_x,
        return result;
 }
 
+int TrackCanvas::do_transition_handles(int cursor_x, int cursor_y, int button_press,
+               int &rerender, int &update_overlay, int &new_cursor, int &update_cursor)
+{
+       Transition *trans_result = 0;
+       int result = 0;
+
+       Track *track = mwindow->edl->tracks->first;
+       for( ; track && !result; track=track->next) {
+               if( track->is_hidden() ) continue;
+               Edit *edit = track->edits->first;
+               for( ; edit && !result; edit=edit->next ) {
+                       Transition *trans = edit->transition;
+                       if( !trans ) continue;
+                       int64_t x, y, w, h;
+                       edit_dimensions(edit, x, y, w, h);
+                       int strip_x = x, edit_y = y;
+                       get_transition_coords(edit, x, y, w, h);
+                       VFrame *strip = mwindow->theme->get_image("plugin_bg_data");
+                       int strip_y = y - strip->get_h();
+                       if( track->show_assets() && track->show_titles() )
+                               edit_y += mwindow->theme->get_image("title_bg_data")->get_h();
+                       if( strip_y < edit_y ) strip_y = edit_y;
+                       int strip_w = Units::round(edit->track->from_units(edit->transition->length) *
+                               mwindow->edl->session->sample_rate / mwindow->edl->local_session->zoom_sample);
+                       int x1 = strip_x + strip_w - HANDLE_W/2, x2 = x1 + HANDLE_W;
+                       int y1 = strip_y + strip->get_h()/2 - HANDLE_H/2, y2 = y1 + HANDLE_W;
+                       if( cursor_x >= x1 && cursor_x < x2 &&
+                           cursor_y >= y1 && cursor_y < y2 ) {
+                               trans_result = trans;
+                               result = 1;
+                       }
+               }
+       }
+
+       if( result ) {
+               if( button_press ) {
+                       mwindow->session->drag_transition = trans_result;
+                       mwindow->session->drag_handle = 1;
+                       mwindow->session->drag_button = get_buttonpress() - 1;
+                       int64_t trans_end = trans_result->edit->startproject + trans_result->length;
+                       double position = trans_result->edit->track->from_units(trans_end);
+                       mwindow->session->drag_position = position;
+                       mwindow->session->drag_start = position;
+                       mwindow->session->current_operation = DRAG_TRANSNHANDLE1;
+                       mwindow->session->drag_origin_x = get_cursor_x();
+                       mwindow->session->drag_origin_y = get_cursor_y();
+                       update_cursor = 1;
+               }
+               new_cursor = RIGHT_CURSOR;
+               update_overlay = 1;
+       }
+
+       return result;
+}
+
+int TrackCanvas::drag_transition_handle(double position)
+{
+       Transition *transition = mwindow->session->drag_transition;
+       if( !transition ) return 1;
+       mwindow->session->drag_position = position;
+       mwindow->edl->local_session->set_selectionstart(position);
+       mwindow->edl->local_session->set_selectionend(position);
+       char string[BCSTRLEN];
+       int64_t length = transition->length;
+       Track *track = transition->edit->track;
+       int64_t start_pos = track->to_units(mwindow->session->drag_start, 0);
+       int64_t end_pos = track->to_units(mwindow->session->drag_position, 0);
+       length += end_pos - start_pos;
+       if( length < 0 ) length = 0;
+       double time = track->from_units(length);
+       Units::totext(string, time,
+               mwindow->edl->session->time_format,
+               mwindow->edl->session->sample_rate,
+               mwindow->edl->session->frame_rate,
+               mwindow->edl->session->frames_per_foot);
+       mwindow->gui->show_message(string);
+       if( mwindow->gui->transition_menu->length_thread->running() ) {
+               TransitionLengthDialog *dialog = (TransitionLengthDialog *)
+                        mwindow->gui->transition_menu->length_thread->get_gui();
+               if( dialog ) {
+                       dialog->lock_window("TrackCanvas::drag_transition_handle");
+                       dialog->update_text(time);
+                       dialog->thread->new_length = time;
+                       dialog->unlock_window();
+               }
+       }
+       return 0;
+}
+
 
 int TrackCanvas::do_tracks(int cursor_x, int cursor_y, int button_press)
 {
@@ -4965,6 +5149,7 @@ int TrackCanvas::do_edits(int cursor_x, int cursor_y, int button_press, int drag
        int result = 0;
 
        for(Track *track = mwindow->edl->tracks->first; track && !result; track = track->next) {
+               if( track->is_hidden() ) continue;
                for(Edit *edit = track->edits->first; edit && !result; edit = edit->next) {
                        int64_t edit_x, edit_y, edit_w, edit_h;
                        edit_dimensions(edit, edit_x, edit_y, edit_w, edit_h);
@@ -4976,9 +5161,7 @@ int TrackCanvas::do_edits(int cursor_x, int cursor_y, int button_press, int drag
                                if( button_press && get_buttonpress() == LEFT_BUTTON ) {
                                        if( get_double_click() ) {
                                                mwindow->edl->tracks->clear_selected_edits();
-                                               mwindow->edl->tracks->select_affected_edits(
-                                                       edit->track->from_units(edit->startproject),
-                                                       edit->track, 1);
+                                               edit->select_affected_edits(1, -1);
                                                double start = edit->track->from_units(edit->startproject);
                                                start = mwindow->edl->align_to_frame(start, 0);
                                                mwindow->edl->local_session->set_selectionstart(start);
@@ -4997,7 +5180,7 @@ int TrackCanvas::do_edits(int cursor_x, int cursor_y, int button_press, int drag
                                                update_cursor = -1;
                                        }
                                }
-                               else if( drag_start && track->record ) {
+                               else if( drag_start && track->is_armed() ) {
                                        mwindow->session->drag_edit = edit;
                                        mwindow->session->drag_origin_x = cursor_x;
                                        mwindow->session->drag_origin_y = cursor_y;
@@ -5014,9 +5197,7 @@ int TrackCanvas::do_edits(int cursor_x, int cursor_y, int button_press, int drag
                                                        edit->set_selected(1);
                                                }
                                                else
-                                                       mwindow->edl->tracks->select_affected_edits(
-                                                               edit->track->from_units(edit->startproject),
-                                                               edit->track, 1);
+                                                       edit->select_affected_edits(1, -1);
                                                drag_start = 1;
                                        }
 // Construct list of all affected edits
@@ -5058,25 +5239,29 @@ int TrackCanvas::do_edits(int cursor_x, int cursor_y, int button_press, int drag
        return result;
 }
 
-
+// returns -1=doesnt fit, 1=fits, 0=fits but overwrites
 int TrackCanvas::test_track_group(EDL *group, Track *first_track, double &pos)
 {
+       int intersects = 0;
        Track *src = group->tracks->first;
        for( Track *track=first_track; track && src; track=track->next ) {
-               if( !track->record ) continue;
+               if( !track->is_armed() ) return -1;
                if( src->data_type != track->data_type ) return -1;
                for( Edit *src_edit=src->edits->first; src_edit; src_edit=src_edit->next ) {
                        if( src_edit->silence() ) continue;
-                       if( edit_intersects(track, src_edit, pos) ) return 0;
+                       if( !intersects && edit_intersects(track, src_edit, pos) )
+                               intersects = 1;
                }
                src = src->next;
        }
-       return !src ? 1 : 0;
+       return src ? -1 : !intersects ? 1 : 0;
 }
 
 int TrackCanvas::edit_intersects(Track *track, Edit *src_edit, double &pos)
 {
        if( pos < 0 ) { pos = 0;  return 1; }
+       int pane_no = pane->number;
+       int cur_pix = track->edl->get_position_cursorx(pos, pane_no);
        int64_t src_start = src_edit->startproject;
        int64_t src_end = src_start + src_edit->length;
        double new_start = src_edit->track->from_units(src_start) + pos;
@@ -5089,6 +5274,7 @@ int TrackCanvas::edit_intersects(Track *track, Edit *src_edit, double &pos)
                if( edit_start >= trk_end ) continue;
                int64_t edit_end = edit_start + edit->length;
                if( trk_start >= edit_end ) continue;
+
                int64_t lt_dist = labs(trk_end - edit_start);
                int64_t rt_dist = labs(edit_end - trk_start);
                int64_t position;
@@ -5106,7 +5292,10 @@ int TrackCanvas::edit_intersects(Track *track, Edit *src_edit, double &pos)
                        if( lt_dist > rt_dist )
                                position -= src_end;
                }
-               pos = edit->track->from_units(position);
+               double new_pos = edit->track->from_units(position);
+               int new_pix = track->edl->get_position_cursorx(new_pos, pane_no);
+               if( abs(new_pix-cur_pix) < HANDLE_W )
+                       pos = new_pos;
                return 1;
        }
        return 0;
@@ -5176,7 +5365,7 @@ int TrackCanvas::do_plugins(int cursor_x, int cursor_y, int drag_start,
                }
                else
 // Move plugin
-               if( drag_start && plugin->track->record && !plugin->silence() ) {
+               if( drag_start && plugin->track->is_armed() && !plugin->silence() ) {
                        if( mwindow->edl->session->editing_mode == EDITING_ARROW ) {
                                if( plugin->track->data_type == TRACK_AUDIO )
                                        mwindow->session->current_operation = DRAG_AEFFECT_COPY;
@@ -5236,6 +5425,7 @@ int TrackCanvas::do_transitions(int cursor_x, int cursor_y,
 
 
        for( Track *track = mwindow->edl->tracks->first; track && !result; track = track->next ) {
+               if( track->is_hidden() ) continue;
                if( !track->show_transitions() ) continue;
 
                for( Edit *edit = track->edits->first; edit; edit = edit->next ) {
@@ -5336,6 +5526,10 @@ int TrackCanvas::button_press_event()
                                        0, get_buttonpress(), new_cursor,
                                        update_cursor, rerender) ) break;
                                update_message = 1;
+
+                               if( do_transition_handles(cursor_x, cursor_y,
+                                       1, rerender, update_overlay, new_cursor,
+                                       update_cursor) ) break;
 // Test edit boundaries
                                if( do_edit_handles(cursor_x, cursor_y,
                                        1, rerender, update_overlay, new_cursor,
@@ -5372,6 +5566,8 @@ int TrackCanvas::button_press_event()
                                        break;
                                }
                                update_message = 1;
+                               if( do_transition_handles(cursor_x, cursor_y,
+                                       1, rerender, update_overlay, new_cursor, update_cursor) ) break;
 // Test edit boundaries
                                if( do_edit_handles(cursor_x, cursor_y,
                                        1, rerender, update_overlay, new_cursor, update_cursor) ) break;
@@ -5468,11 +5664,19 @@ int TrackCanvas::start_selection(double position)
 void TrackCanvas::end_edithandle_selection()
 {
        mwindow->modify_edithandles();
+       mwindow->session->drag_edit = 0;
 }
 
 void TrackCanvas::end_pluginhandle_selection()
 {
        mwindow->modify_pluginhandles();
+       mwindow->session->drag_plugin = 0;
+}
+
+void TrackCanvas::end_transnhandle_selection()
+{
+       mwindow->modify_transnhandles();
+       mwindow->session->drag_transition = 0;
 }