final use of "stop_signal.h" removed
[ardour.git] / gtk2_ardour / editor_canvas.cc
index 9342387dbe210ef8f238acb541b39f1d0b0990b5..2b5e0163783c05accef923c283e3eb54b2a7cb6e 100644 (file)
@@ -36,6 +36,7 @@
 #include "simpleline_p.h"
 #include "imageframe_p.h"
 #include "canvas_impl.h"
+#include "canvas-noevent-text.h"
 #include "editing.h"
 #include "rgb_macros.h"
 #include "utils.h"
@@ -48,7 +49,6 @@
 #include "i18n.h"
 
 using namespace std;
-using namespace sigc;
 using namespace ARDOUR;
 using namespace PBD;
 using namespace Gtk;
@@ -116,7 +116,7 @@ Editor::initialize_canvas ()
 
        Pango::FontDescription* font = get_font_for_style (N_("VerboseCanvasCursor"));
 
-       verbose_canvas_cursor = new ArdourCanvas::Text (*track_canvas->root());
+       verbose_canvas_cursor = new ArdourCanvas::NoEventText (*track_canvas->root());
        verbose_canvas_cursor->property_font_desc() = *font;
        verbose_canvas_cursor->property_anchor() = ANCHOR_NW;
 
@@ -259,7 +259,7 @@ Editor::initialize_canvas ()
        zoom_rect->property_outline_pixels() = 1;
        zoom_rect->hide();
 
-       zoom_rect->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
+       zoom_rect->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
 
        // used as rubberband rect
        rubberband_rect = new ArdourCanvas::SimpleRect (*_trackview_group, 0.0, 0.0, 0.0, 0.0);
@@ -267,12 +267,12 @@ Editor::initialize_canvas ()
        rubberband_rect->property_outline_pixels() = 1;
        rubberband_rect->hide();
 
-       tempo_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
-       meter_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
-       marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
-       cd_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_cd_marker_bar_event), cd_marker_bar));
-       range_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
-       transport_marker_bar->signal_event().connect (bind (mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
+       tempo_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
+       meter_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
+       marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
+       cd_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_cd_marker_bar_event), cd_marker_bar));
+       range_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
+       transport_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
 
        playhead_cursor = new EditorCursor (*this, &Editor::canvas_playhead_cursor_event);
 
@@ -281,16 +281,16 @@ Editor::initialize_canvas ()
        }
        /* need to handle 4 specific types of events as catch-alls */
 
-       track_canvas->signal_scroll_event().connect (mem_fun (*this, &Editor::track_canvas_scroll_event));
-       track_canvas->signal_motion_notify_event().connect (mem_fun (*this, &Editor::track_canvas_motion_notify_event));
-       track_canvas->signal_button_press_event().connect (mem_fun (*this, &Editor::track_canvas_button_press_event));
-       track_canvas->signal_button_release_event().connect (mem_fun (*this, &Editor::track_canvas_button_release_event));
-       track_canvas->signal_drag_motion().connect (mem_fun (*this, &Editor::track_canvas_drag_motion));
+       track_canvas->signal_scroll_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_scroll_event));
+       track_canvas->signal_motion_notify_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_motion_notify_event));
+       track_canvas->signal_button_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_press_event));
+       track_canvas->signal_button_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_release_event));
+       track_canvas->signal_drag_motion().connect (sigc::mem_fun (*this, &Editor::track_canvas_drag_motion));
 
        track_canvas->set_name ("EditorMainCanvas");
        track_canvas->add_events (Gdk::POINTER_MOTION_HINT_MASK|Gdk::SCROLL_MASK);
-       track_canvas->signal_leave_notify_event().connect (mem_fun(*this, &Editor::left_track_canvas));
-       track_canvas->signal_enter_notify_event().connect (mem_fun(*this, &Editor::entered_track_canvas));
+       track_canvas->signal_leave_notify_event().connect (sigc::mem_fun(*this, &Editor::left_track_canvas));
+       track_canvas->signal_enter_notify_event().connect (sigc::mem_fun(*this, &Editor::entered_track_canvas));
        track_canvas->set_flags (CAN_FOCUS);
 
        /* set up drag-n-drop */
@@ -305,11 +305,11 @@ Editor::initialize_canvas ()
        target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 
        track_canvas->drag_dest_set (target_table);
-       track_canvas->signal_drag_data_received().connect (mem_fun(*this, &Editor::track_canvas_drag_data_received));
+       track_canvas->signal_drag_data_received().connect (sigc::mem_fun(*this, &Editor::track_canvas_drag_data_received));
 
-       track_canvas->signal_size_allocate().connect (mem_fun(*this, &Editor::track_canvas_allocate));
+       track_canvas->signal_size_allocate().connect (sigc::mem_fun(*this, &Editor::track_canvas_allocate));
 
-       ColorsChanged.connect (mem_fun (*this, &Editor::color_handler));
+       ColorsChanged.connect (sigc::mem_fun (*this, &Editor::color_handler));
        color_handler();
 
 }
@@ -329,7 +329,7 @@ Editor::track_canvas_size_allocated ()
        _canvas_width = canvas_allocation.get_width();
        _canvas_height = canvas_allocation.get_height();
 
-       if (session) {
+       if (_session) {
                TrackViewList::iterator i;
                double height = 0;
 
@@ -361,8 +361,6 @@ Editor::track_canvas_size_allocated ()
                }
        }
 
-       handle_new_duration ();
-       reset_hscrollbar_stepping ();
        update_fixed_rulers();
        redisplay_tempo (false);
        _summary->set_overlays_dirty ();
@@ -425,7 +423,7 @@ Editor::controls_layout_size_request (Requisition* req)
        }
 
        if (changed) {
-               controls_layout_size_request_connection = controls_layout.signal_size_request().connect (mem_fun (*this, &Editor::controls_layout_size_request));
+               controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
        }
        //cerr << "sizes = " << req->width << " " << edit_controls_vbox.get_width() << " " << controls_layout.get_width() << " " << zoom_box.get_width() << " " << time_button_frame.get_width() << endl;//DEBUG
 }
@@ -439,6 +437,7 @@ Editor::track_canvas_map_handler (GdkEventAny* /*ev*/)
        return false;
 }
 
+/** This is called when something is dropped onto the track canvas */
 void
 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
                                         int x, int y,
@@ -481,7 +480,7 @@ Editor::drop_paths_part_two (const vector<ustring>& paths, nframes64_t frame, do
 
                /* check that its an audio track, not a bus */
 
-               if (tv->get_diskstream()) {
+               if (tv->track()) {
                        /* select the track, then embed/import */
                        selection->set (tv);
 
@@ -527,7 +526,7 @@ Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
                   the main event loop with GTK/Quartz. Since import/embed wants
                   to push up a progress dialog, defer all this till we go idle.
                */
-               Glib::signal_idle().connect (bind (mem_fun (*this, &Editor::idle_drop_paths), paths, frame, cy));
+               Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (*this, &Editor::idle_drop_paths), paths, frame, cy));
 #else
                drop_paths_part_two (paths, frame, cy);
 #endif
@@ -542,17 +541,13 @@ Editor::drop_regions (const RefPtr<Gdk::DragContext>& /*context*/,
                      const SelectionData& /*data*/,
                      guint /*info*/, guint /*time*/)
 {
-       assert (_drag);
-       _drag->end_grab (0);
-       delete _drag;
-       _drag = 0;
+       _drags->end_grab (0);
 }
 
 void
 Editor::maybe_autoscroll (GdkEventMotion* event, bool allow_vert)
 {
        nframes64_t rightmost_frame = leftmost_frame + current_page_frames();
-       nframes64_t frame = _drag->current_pointer_frame();
        bool startit = false;
 
        autoscroll_y = 0;
@@ -565,19 +560,16 @@ Editor::maybe_autoscroll (GdkEventMotion* event, bool allow_vert)
                startit = true;
        }
 
-       if (frame > rightmost_frame) {
-
+       if (_drags->current_pointer_frame() > rightmost_frame) {
                if (rightmost_frame < max_frames) {
                        autoscroll_x = 1;
                        startit = true;
                }
-
-       } else if (frame < leftmost_frame) {
+       } else if (_drags->current_pointer_frame() < leftmost_frame) {
                if (leftmost_frame > 0) {
                        autoscroll_x = -1;
                        startit = true;
                }
-
        }
 
        if (!allow_vertical_scroll) {
@@ -611,23 +603,22 @@ Editor::autoscroll_canvas ()
        double new_pixel;
        double target_pixel;
 
-       assert (_drag);
-
        if (autoscroll_x_distance != 0) {
+
                if (autoscroll_x > 0) {
-                       autoscroll_x_distance = (unit_to_frame (_drag->current_pointer_x()) - (leftmost_frame + current_page_frames())) / 3;
+                       autoscroll_x_distance = (_drags->current_pointer_frame() - (leftmost_frame + current_page_frames())) / 3;
                } else if (autoscroll_x < 0) {
-                       autoscroll_x_distance = (leftmost_frame - unit_to_frame (_drag->current_pointer_x())) / 3;
+                       autoscroll_x_distance = (leftmost_frame - _drags->current_pointer_frame()) / 3;
 
                }
        }
 
        if (autoscroll_y_distance != 0) {
                if (autoscroll_y > 0) {
-                       autoscroll_y_distance = (_drag->current_pointer_y() - (get_trackview_group_vertical_offset() + _canvas_height)) / 3;
+                       autoscroll_y_distance = (_drags->current_pointer_y() - (get_trackview_group_vertical_offset() + _canvas_height)) / 3;
                } else if (autoscroll_y < 0) {
 
-                       autoscroll_y_distance = (vertical_adjustment.get_value () - _drag->current_pointer_y()) / 3;
+                       autoscroll_y_distance = (vertical_adjustment.get_value () - _drags->current_pointer_y()) / 3;
                }
        }
 
@@ -657,7 +648,7 @@ Editor::autoscroll_canvas ()
                        new_pixel = vertical_pos - autoscroll_y_distance;
                }
 
-               target_pixel = _drag->current_pointer_y() - autoscroll_y_distance;
+               target_pixel = _drags->current_pointer_y() - autoscroll_y_distance;
                target_pixel = max (target_pixel, 0.0);
 
        } else if (autoscroll_y > 0) {
@@ -672,7 +663,7 @@ Editor::autoscroll_canvas ()
 
                new_pixel = min (top_of_bottom_of_canvas, new_pixel);
 
-               target_pixel = _drag->current_pointer_y() + autoscroll_y_distance;
+               target_pixel = _drags->current_pointer_y() + autoscroll_y_distance;
 
                /* don't move to the full canvas height because the item will be invisible
                   (its top edge will line up with the bottom of the visible canvas.
@@ -681,7 +672,7 @@ Editor::autoscroll_canvas ()
                target_pixel = min (target_pixel, full_canvas_height - 10);
 
        } else {
-               target_pixel = _drag->current_pointer_y();
+               target_pixel = _drags->current_pointer_y();
                new_pixel = vertical_pos;
        }
 
@@ -703,11 +694,11 @@ Editor::autoscroll_canvas ()
        Gdk::ModifierType mask;
        canvas_window->get_pointer (x, y, mask);
        ev.type = GDK_MOTION_NOTIFY;
-       ev.state &= Gdk::BUTTON1_MASK;
+       ev.state = Gdk::BUTTON1_MASK;
        ev.x = x;
        ev.y = y;
 
-       motion_handler (_drag->item(), (GdkEvent*) &ev, true);
+       motion_handler (0, (GdkEvent*) &ev, true);
 
        autoscroll_cnt++;
 
@@ -726,7 +717,7 @@ Editor::autoscroll_canvas ()
 void
 Editor::start_canvas_autoscroll (int dx, int dy)
 {
-       if (!session || autoscroll_active) {
+       if (!_session || autoscroll_active) {
                return;
        }
 
@@ -759,6 +750,7 @@ Editor::stop_canvas_autoscroll ()
 bool
 Editor::left_track_canvas (GdkEventCrossing */*ev*/)
 {
+        DropDownKeys ();
        set_entered_track (0);
        set_entered_regionview (0);
        reset_canvas_action_sensitivity (false);
@@ -787,20 +779,20 @@ Editor::tie_vertical_scrolling ()
 }
 
 void
-Editor::scroll_canvas_horizontally ()
+Editor::set_horizontal_position (double p)
 {
        /* horizontal scrolling only */
        double x1, y1, x2, y2, x_delta;
        _master_group->get_bounds (x1, y1, x2, y2);
 
-       x_delta = - (x1 +  horizontal_adjustment.get_value());
+       x_delta = - (x1 + p);
 
        _master_group->move (x_delta, 0);
        timebar_group->move (x_delta, 0);
        time_line_group->move (x_delta, 0);
        cursor_group->move (x_delta, 0);
 
-       leftmost_frame = (nframes64_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
+       leftmost_frame = (nframes64_t) floor (p * frames_per_unit);
 
        update_fixed_rulers ();
        redisplay_tempo (true);
@@ -810,7 +802,7 @@ Editor::scroll_canvas_horizontally ()
        }
 
 #ifndef GTKOSX
-       if (!autoscroll_active) {
+       if (!autoscroll_active && !_stationary_playhead) {
                /* force rulers and canvas to move in lock step */
                while (gtk_events_pending ()) {
                        gtk_main_iteration ();
@@ -897,8 +889,8 @@ Editor::color_handler()
 /*
        redisplay_tempo (true);
 
-       if (session)
-               session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
+       if (_session)
+             _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
 */
 }
 
@@ -928,3 +920,9 @@ Editor::update_canvas_now ()
                track_canvas->update_now ();
        }
 }
+
+double
+Editor::horizontal_position () const
+{
+       return frame_to_unit (leftmost_frame);
+}