fix merge conflicts with master
[ardour.git] / gtk2_ardour / editor.cc
index a0418892e79854ad27f5125dcb3e82dbd0fc88d4..c140ef71abe341021453d7043ae4de0178c4ac72 100644 (file)
@@ -70,6 +70,9 @@
 #include "ardour/tempo.h"
 #include "ardour/utils.h"
 
+#include "canvas/debug.h"
+#include "canvas/text.h"
+
 #include "control_protocol/control_protocol.h"
 
 #include "actions.h"
@@ -81,8 +84,6 @@
 #include "audio_time_axis.h"
 #include "automation_time_axis.h"
 #include "bundle_manager.h"
-#include "canvas-noevent-text.h"
-#include "canvas_impl.h"
 #include "crossfade_edit.h"
 #include "debug.h"
 #include "editing.h"
 #include "rhythm_ferret.h"
 #include "selection.h"
 #include "sfdb_ui.h"
-#include "simpleline.h"
 #include "tempo_lines.h"
 #include "time_axis_view.h"
 #include "utils.h"
@@ -250,6 +250,10 @@ Editor::Editor ()
          */
 
        , vertical_adjustment (0.0, 0.0, 10.0, 400.0)
+       , horizontal_adjustment (0.0, 0.0, 1e16)
+       , unused_adjustment (0.0, 0.0, 10.0, 400.0)
+
+       , controls_layout (unused_adjustment, vertical_adjustment)
 
          /* tool bar related */
 
@@ -306,8 +310,8 @@ Editor::Editor ()
 
        snap_threshold = 5.0;
        bbt_beat_subdivision = 4;
-       _canvas_width = 0;
-       _canvas_height = 0;
+       _visible_canvas_width = 0;
+       _visible_canvas_height = 0;
        last_autoscroll_x = 0;
        last_autoscroll_y = 0;
        autoscroll_active = false;
@@ -359,17 +363,17 @@ Editor::Editor ()
 
        sfbrowser = 0;
 
-       location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
-       location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
-       location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
-       location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
-       location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
+       location_marker_color = ARDOUR_UI::config()->get_canvasvar_LocationMarker();
+       location_range_color = ARDOUR_UI::config()->get_canvasvar_LocationRange();
+       location_cd_marker_color = ARDOUR_UI::config()->get_canvasvar_LocationCDMarker();
+       location_loop_color = ARDOUR_UI::config()->get_canvasvar_LocationLoop();
+       location_punch_color = ARDOUR_UI::config()->get_canvasvar_LocationPunch();
 
        _edit_point = EditAtMouse;
        _internal_editing = false;
        current_canvas_cursor = 0;
 
-       frames_per_unit = 2048; /* too early to use reset_zoom () */
+       samples_per_pixel = 2048; /* too early to use reset_zoom () */
 
        _scroll_callbacks = 0;
 
@@ -467,7 +471,7 @@ Editor::Editor ()
 
        edit_controls_vbox.set_spacing (0);
        vertical_adjustment.signal_value_changed().connect (sigc::mem_fun(*this, &Editor::tie_vertical_scrolling), true);
-       track_canvas->signal_map_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_map_handler));
+       _track_canvas->signal_map_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_map_handler));
 
        HBox* h = manage (new HBox);
        _group_tabs = new EditorGroupTabs (this);
@@ -484,13 +488,14 @@ Editor::Editor ()
 
        _cursors = new MouseCursors;
 
-       ArdourCanvas::Canvas* time_pad = manage(new ArdourCanvas::Canvas());
-       ArdourCanvas::SimpleLine* pad_line_1 = manage(new ArdourCanvas::SimpleLine(*time_pad->root(),
-                       0.0, 1.0, 100.0, 1.0));
+       ArdourCanvas::GtkCanvas* time_pad = manage (new ArdourCanvas::GtkCanvas ());
 
-       pad_line_1->property_color_rgba() = 0xFF0000FF;
+       ArdourCanvas::Line* pad_line_1 = new ArdourCanvas::Line (time_pad->root());
+       pad_line_1->set (ArdourCanvas::Duple (0.0, 1.0), ArdourCanvas::Duple (100.0, 1.0));
+       pad_line_1->set_outline_color (0xFF0000FF);
        pad_line_1->show();
 
+       // CAIROCANVAS
        time_pad->show();
 
        time_canvas_vbox.set_size_request (-1, (int)(timebar_height * visible_timebars) + 2);
@@ -500,15 +505,9 @@ Editor::Editor ()
        ruler_label_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
        ruler_label_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 
-       time_button_event_box.add (time_button_vbox);
-       time_button_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
-       time_button_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
-
-       /* these enable us to have a dedicated window (for cursor setting, etc.)
-          for the canvas areas.
-       */
-
-       track_canvas_event_box.add (*track_canvas);
+       time_bars_event_box.add (time_bars_vbox);
+       time_bars_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
+       time_bars_event_box.signal_button_release_event().connect (sigc::mem_fun(*this, &Editor::ruler_label_button_release));
 
        time_canvas_event_box.add (time_canvas_vbox);
        time_canvas_event_box.set_events (Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK|Gdk::POINTER_MOTION_MASK);
@@ -521,14 +520,16 @@ Editor::Editor ()
 
        /* labels for the rulers */
        edit_packer.attach (ruler_label_event_box,   1, 2, 0, 1,    FILL,        SHRINK, 0, 0);
-       /* labels for the marker "tracks" */
-       edit_packer.attach (time_button_event_box,   1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
+       /* labels for the marker "tracks" (time bars) */
+       edit_packer.attach (time_bars_event_box,     1, 2, 1, 2,    FILL,        SHRINK, 0, 0);
        /* the rulers */
        edit_packer.attach (time_canvas_event_box,   2, 3, 0, 1,    FILL|EXPAND, FILL, 0, 0);
        /* track controls */
        edit_packer.attach (controls_layout,         0, 2, 2, 3,    FILL,        FILL|EXPAND, 0, 0);
-       /* main canvas */
-       edit_packer.attach (track_canvas_event_box,  2, 3, 1, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
+       /* time bars canvas */
+       edit_packer.attach (*_time_bars_canvas_viewport, 2, 3, 1, 2,    FILL,    FILL, 0, 0);
+       /* track canvas */
+       edit_packer.attach (*_track_canvas_viewport,  2, 3, 2, 3,    FILL|EXPAND, FILL|EXPAND, 0, 0);
 
        bottom_hbox.set_border_width (2);
        bottom_hbox.set_spacing (3);
@@ -761,7 +762,8 @@ Editor::~Editor()
         delete button_bindings;
        delete _routes;
        delete _route_groups;
-       delete track_canvas;
+       delete _time_bars_canvas_viewport;
+       delete _track_canvas_viewport;
        delete _drags;
 }
 
@@ -910,11 +912,11 @@ Editor::zoom_adjustment_changed ()
                return;
        }
 
-       double fpu = zoom_range_clock->current_duration() / _canvas_width;
-       bool clamped = clamp_frames_per_unit (fpu);
+       framecnt_t fpu = llrintf (zoom_range_clock->current_duration() / _visible_canvas_width);
+       bool clamped = clamp_samples_per_pixel (fpu);
        
        if (clamped) {
-               zoom_range_clock->set ((framepos_t) floor (fpu * _canvas_width));
+               zoom_range_clock->set ((framepos_t) floor (fpu * _visible_canvas_width));
        }
 
        temporal_zoom (fpu);
@@ -1015,7 +1017,7 @@ Editor::control_scroll (float fraction)
                return;
        }
 
-       double step = fraction * current_page_frames();
+       double step = fraction * current_page_samples();
 
        /*
                _control_scroll_target is an optional<T>
@@ -1036,7 +1038,7 @@ Editor::control_scroll (float fraction)
        if ((fraction < 0.0f) && (*_control_scroll_target < (framepos_t) fabs(step))) {
                *_control_scroll_target = 0;
        } else if ((fraction > 0.0f) && (max_framepos - *_control_scroll_target < step)) {
-               *_control_scroll_target = max_framepos - (current_page_frames()*2); // allow room for slop in where the PH is on the screen
+               *_control_scroll_target = max_framepos - (current_page_samples()*2); // allow room for slop in where the PH is on the screen
        } else {
                *_control_scroll_target += (framepos_t) floor (step);
        }
@@ -1046,9 +1048,9 @@ Editor::control_scroll (float fraction)
        playhead_cursor->set_position (*_control_scroll_target);
        UpdateAllTransportClocks (*_control_scroll_target);
 
-       if (*_control_scroll_target > (current_page_frames() / 2)) {
+       if (*_control_scroll_target > (current_page_samples() / 2)) {
                /* try to center PH in window */
-               reset_x_origin (*_control_scroll_target - (current_page_frames()/2));
+               reset_x_origin (*_control_scroll_target - (current_page_samples()/2));
        } else {
                reset_x_origin (0);
        }
@@ -1121,7 +1123,7 @@ Editor::map_position_change (framepos_t frame)
 void
 Editor::center_screen (framepos_t frame)
 {
-       double page = _canvas_width * frames_per_unit;
+       framecnt_t const page = _visible_canvas_width * samples_per_pixel;
 
        /* if we're off the page, then scroll.
         */
@@ -1251,7 +1253,7 @@ Editor::set_session (Session *t)
 
        /* catch up with the playhead */
 
-       _session->request_locate (playhead_cursor->current_frame);
+       _session->request_locate (playhead_cursor->current_frame ());
        _pending_initial_locate = true;
 
        update_title ();
@@ -1277,7 +1279,7 @@ Editor::set_session (Session *t)
        _session->locations()->StateChanged.connect (_session_connections, invalidator (*this), boost::bind (&Editor::refresh_location_display, this), gui_context());
        _session->history().Changed.connect (_session_connections, invalidator (*this), boost::bind (&Editor::history_changed, this), gui_context());
 
-       playhead_cursor->canvas_item.show ();
+       playhead_cursor->show ();
 
        boost::function<void (string)> pc (boost::bind (&Editor::parameter_changed, this, _1));
        Config->map_parameters (pc);
@@ -1288,7 +1290,7 @@ Editor::set_session (Session *t)
        _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks);
 
        for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
-               (static_cast<TimeAxisView*>(*i))->set_samples_per_unit (frames_per_unit);
+               (static_cast<TimeAxisView*>(*i))->set_samples_per_pixel (samples_per_pixel);
        }
 
        super_rapid_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (
@@ -2104,9 +2106,9 @@ Editor::set_snap_to (SnapType st)
                ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_begin;
                ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_end;
                
-               compute_current_bbt_points (leftmost_frame, leftmost_frame + current_page_frames(),
+               compute_current_bbt_points (leftmost_frame, leftmost_frame + current_page_samples(),
                                            current_bbt_points_begin, current_bbt_points_end);
-               compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_frames(),
+               compute_bbt_ruler_scale (leftmost_frame, leftmost_frame + current_page_samples(),
                                         current_bbt_points_begin, current_bbt_points_end);
                update_tempo_based_rulers (current_bbt_points_begin, current_bbt_points_end);
                break;
@@ -2262,9 +2264,11 @@ Editor::set_state (const XMLNode& node, int /*version*/)
        }
 
        if ((prop = node.property ("zoom"))) {
-               reset_zoom (PBD::atof (prop->value()));
+               /* older versions of ardour used floating point samples_per_pixel */
+               double f = PBD::atof (prop->value());
+               reset_zoom (llrintf (f));
        } else {
-               reset_zoom (frames_per_unit);
+               reset_zoom (samples_per_pixel);
        }
 
        if ((prop = node.property ("snap-to"))) {
@@ -2484,7 +2488,8 @@ Editor::get_state ()
        maybe_add_mixer_strip_width (*node);
 
        node->add_property ("zoom-focus", enum_2_string (zoom_focus));
-       snprintf (buf, sizeof(buf), "%f", frames_per_unit);
+
+       snprintf (buf, sizeof(buf), "%" PRId64, samples_per_pixel);
        node->add_property ("zoom", buf);
        node->add_property ("snap-to", enum_2_string (_snap_type));
        node->add_property ("snap-mode", enum_2_string (_snap_mode));
@@ -2494,7 +2499,7 @@ Editor::get_state ()
        node->add_property ("pre-internal-snap-mode", enum_2_string (pre_internal_snap_mode));
        node->add_property ("edit-point", enum_2_string (_edit_point));
 
-       snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame);
+       snprintf (buf, sizeof (buf), "%" PRIi64, playhead_cursor->current_frame ());
        node->add_property ("playhead", buf);
        snprintf (buf, sizeof (buf), "%" PRIi64, leftmost_frame);
        node->add_property ("left-frame", buf);
@@ -2816,12 +2821,12 @@ Editor::snap_to_internal (framepos_t& start, int32_t direction, bool for_mark)
        case SnapMagnetic:
 
                if (presnap > start) {
-                       if (presnap > (start + unit_to_frame(snap_threshold))) {
+                       if (presnap > (start + pixel_to_sample(snap_threshold))) {
                                start = presnap;
                        }
 
                } else if (presnap < start) {
-                       if (presnap < (start - unit_to_frame(snap_threshold))) {
+                       if (presnap < (start - pixel_to_sample(snap_threshold))) {
                                start = presnap;
                        }
                }
@@ -3702,8 +3707,14 @@ Editor::set_show_measures (bool yn)
                        if (tempo_lines) {
                                tempo_lines->show();
                        }
-                       (void) redraw_measures ();
-               }
+
+                       ARDOUR::TempoMap::BBTPointList::const_iterator begin;
+                       ARDOUR::TempoMap::BBTPointList::const_iterator end;
+                       
+                       compute_current_bbt_points (leftmost_frame, leftmost_frame + current_page_samples(), begin, end);
+                       draw_measures (begin, end);
+               } 
+
                instant_save ();
        }
 }
@@ -4108,16 +4119,16 @@ Editor::reset_y_origin (double y)
 }
 
 void
-Editor::reset_zoom (double fpu)
+Editor::reset_zoom (framecnt_t spp)
 {
-       clamp_frames_per_unit (fpu);
+       clamp_samples_per_pixel (spp);
 
-       if (fpu == frames_per_unit) {
+       if (spp == samples_per_pixel) {
                return;
        }
 
        pending_visual_change.add (VisualChange::ZoomLevel);
-       pending_visual_change.frames_per_unit = fpu;
+       pending_visual_change.samples_per_pixel = spp;
        ensure_visual_change_idle_handler ();
 }
 
@@ -4147,7 +4158,7 @@ Editor::current_visual_state (bool with_tracks)
 {
        VisualState* vs = new VisualState (with_tracks);
        vs->y_position = vertical_adjustment.get_value();
-       vs->frames_per_unit = frames_per_unit;
+       vs->samples_per_pixel = samples_per_pixel;
        vs->leftmost_frame = leftmost_frame;
        vs->zoom_focus = zoom_focus;
 
@@ -4209,7 +4220,7 @@ Editor::use_visual_state (VisualState& vs)
        vertical_adjustment.set_value (vs.y_position);
 
        set_zoom_focus (vs.zoom_focus);
-       reposition_and_zoom (vs.leftmost_frame, vs.frames_per_unit);
+       reposition_and_zoom (vs.leftmost_frame, vs.samples_per_pixel);
        
        if (vs.gui_state) {
                *ARDOUR_UI::instance()->gui_object_state = *vs.gui_state;
@@ -4228,19 +4239,20 @@ Editor::use_visual_state (VisualState& vs)
  *  @param fpu New frames per unit; should already have been clamped so that it is sensible.
  */
 void
-Editor::set_frames_per_unit (double fpu)
+Editor::set_samples_per_pixel (framecnt_t spp)
 {
+       clamp_samples_per_pixel (spp);
+       samples_per_pixel = spp;
+
        if (tempo_lines) {
                tempo_lines->tempo_map_changed();
        }
 
-       frames_per_unit = fpu;
-
        /* convert fpu to frame count */
 
-       framepos_t frames = (framepos_t) floor (frames_per_unit * _canvas_width);
+       framepos_t frames = samples_per_pixel * _visible_canvas_width;
 
-       if (frames_per_unit != zoom_range_clock->current_duration()) {
+       if (samples_per_pixel != zoom_range_clock->current_duration()) {
                zoom_range_clock->set (frames);
        }
 
@@ -4257,7 +4269,7 @@ Editor::set_frames_per_unit (double fpu)
        //reset_scrolling_region ();
 
        if (playhead_cursor) {
-               playhead_cursor->set_position (playhead_cursor->current_frame);
+               playhead_cursor->set_position (playhead_cursor->current_frame ());
        }
 
        refresh_location_display();
@@ -4286,6 +4298,7 @@ Editor::ensure_visual_change_idle_handler ()
 {
        if (pending_visual_change.idle_handler_id < 0) {
                pending_visual_change.idle_handler_id = g_idle_add (_idle_visual_changer, this);
+               pending_visual_change.being_handled = false;
        }
 }
 
@@ -4316,27 +4329,26 @@ Editor::idle_visual_changer ()
 
        double const last_time_origin = horizontal_position ();
 
+
        if (p & VisualChange::ZoomLevel) {
-               set_frames_per_unit (pending_visual_change.frames_per_unit);
+               set_samples_per_pixel (pending_visual_change.samples_per_pixel);
 
                compute_fixed_ruler_scale ();
 
                ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_begin;
                ARDOUR::TempoMap::BBTPointList::const_iterator current_bbt_points_end;
                
-               compute_current_bbt_points (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames(),
+               compute_current_bbt_points (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_samples(),
                                            current_bbt_points_begin, current_bbt_points_end);
-               compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_frames(),
+               compute_bbt_ruler_scale (pending_visual_change.time_origin, pending_visual_change.time_origin + current_page_samples(),
                                         current_bbt_points_begin, current_bbt_points_end);
                update_tempo_based_rulers (current_bbt_points_begin, current_bbt_points_end);
-       }
 
-       if (p & VisualChange::ZoomLevel) {
                update_video_timeline();
        }
 
        if (p & VisualChange::TimeOrigin) {
-               set_horizontal_position (pending_visual_change.time_origin / frames_per_unit);
+               set_horizontal_position (pending_visual_change.time_origin / samples_per_pixel);
        }
 
        if (p & VisualChange::YOrigin) {
@@ -4380,7 +4392,7 @@ Editor::get_preferred_edit_position (bool ignore_playhead, bool from_context_men
        EditPoint ep = _edit_point;
 
        if (from_context_menu && (ep == EditAtMouse)) {
-               return  event_frame (&context_click_event, 0, 0);
+               return  window_event_frame (&context_click_event, 0, 0);
        }
 
        if (entered_marker) {
@@ -4760,7 +4772,6 @@ Editor::idle_resize ()
        }
 
        _pending_resize_amount = 0;
-       flush_canvas ();
        _group_tabs->set_dirty ();
        resize_idle_id = -1;
 
@@ -4844,10 +4855,10 @@ Editor::add_routes (RouteList& routes)
                DataType dt = route->input()->default_type();
 
                if (dt == ARDOUR::DataType::AUDIO) {
-                       rtv = new AudioTimeAxisView (*this, _session, *track_canvas);
+                       rtv = new AudioTimeAxisView (*this, _session, *_track_canvas);
                        rtv->set_route (route);
                } else if (dt == ARDOUR::DataType::MIDI) {
-                       rtv = new MidiTimeAxisView (*this, _session, *track_canvas);
+                       rtv = new MidiTimeAxisView (*this, _session, *_track_canvas);
                        rtv->set_route (route);
                } else {
                        throw unknown_type();
@@ -5150,16 +5161,16 @@ Editor::scroll_release ()
 void
 Editor::reset_x_origin_to_follow_playhead ()
 {
-       framepos_t const frame = playhead_cursor->current_frame;
+       framepos_t const frame = playhead_cursor->current_frame ();
 
-       if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
+       if (frame < leftmost_frame || frame > leftmost_frame + current_page_samples()) {
 
                if (_session->transport_speed() < 0) {
 
-                       if (frame > (current_page_frames() / 2)) {
-                               center_screen (frame-(current_page_frames()/2));
+                       if (frame > (current_page_samples() / 2)) {
+                               center_screen (frame-(current_page_samples()/2));
                        } else {
-                               center_screen (current_page_frames()/2);
+                               center_screen (current_page_samples()/2);
                        }
 
                } else {
@@ -5170,10 +5181,10 @@ Editor::reset_x_origin_to_follow_playhead ()
                                /* moving left */
                                if (_session->transport_rolling()) {
                                        /* rolling; end up with the playhead at the right of the page */
-                                       l = frame - current_page_frames ();
+                                       l = frame - current_page_samples ();
                                } else {
                                        /* not rolling: end up with the playhead 1/4 of the way along the page */
-                                       l = frame - current_page_frames() / 4;
+                                       l = frame - current_page_samples() / 4;
                                }
                        } else {
                                /* moving right */
@@ -5182,7 +5193,7 @@ Editor::reset_x_origin_to_follow_playhead ()
                                        l = frame;
                                } else {
                                        /* not rolling: end up with the playhead 3/4 of the way along the page */
-                                       l = frame - 3 * current_page_frames() / 4;
+                                       l = frame - 3 * current_page_samples() / 4;
                                }
                        }
 
@@ -5190,7 +5201,7 @@ Editor::reset_x_origin_to_follow_playhead ()
                                l = 0;
                        }
                        
-                       center_screen_internal (l + (current_page_frames() / 2), current_page_frames ());
+                       center_screen_internal (l + (current_page_samples() / 2), current_page_samples ());
                }
        }
 }
@@ -5261,11 +5272,11 @@ Editor::super_rapid_screen_update ()
                        */
 #if 0
                        // FIXME DO SOMETHING THAT WORKS HERE - this is 2.X code
-                       double target = ((double)frame - (double)current_page_frames()/2.0) / frames_per_unit;
+                       double target = ((double)frame - (double)current_page_samples()/2.0) / samples_per_pixel;
                        if (target <= 0.0) {
                                target = 0.0;
                        }
-                       if (fabs(target - current) < current_page_frames() / frames_per_unit) {
+                       if (fabs(target - current) < current_page_samples() / samples_per_pixel) {
                                target = (target * 0.15) + (current * 0.85);
                        } else {
                                /* relax */
@@ -5300,7 +5311,7 @@ Editor::session_going_away ()
        last_update_frame = 0;
        _drags->abort ();
 
-       playhead_cursor->canvas_item.hide ();
+       playhead_cursor->hide ();
 
        /* rip everything out of the list displays */