Fix formatting samplecnt_t (aka int64_t aka long long int)
[ardour.git] / gtk2_ardour / editor_canvas.cc
index a60d3eab9ced61220b320ea8b5b0981b6b841491..aab894af98ee125ae4255fd9e9ac52d2f0bb7494 100644 (file)
@@ -1,21 +1,27 @@
 /*
-    Copyright (C) 2005 Paul Davis
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-*/
+ * Copyright (C) 2005-2017 Paul Davis <paul@linuxaudiosystems.com>
+ * Copyright (C) 2006-2015 David Robillard <d@drobilla.net>
+ * Copyright (C) 2007-2017 Tim Mayberry <mojofunk@gmail.com>
+ * Copyright (C) 2007 Doug McLain <doug@nostar.net>
+ * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
+ * Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
+ * Copyright (C) 2014-2019 Ben Loftis <ben@harrisonconsoles.com>
+ * Copyright (C) 2015-2017 Nick Mainsbridge <mainsbridge@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
 
 #ifdef WAF_BUILD
 #include "gtk2ardour-config.h"
@@ -249,11 +255,10 @@ Editor::initialize_canvas ()
 
        vector<TargetEntry> target_table;
 
-       // Drag-N-Drop from the region list can generate this target
-       target_table.push_back (TargetEntry ("regions"));
-
-       target_table.push_back (TargetEntry ("text/plain"));
+       target_table.push_back (TargetEntry ("regions")); // DnD from the region list will generate this target
+       target_table.push_back (TargetEntry ("sources")); // DnD from the source list will generate this target
        target_table.push_back (TargetEntry ("text/uri-list"));
+       target_table.push_back (TargetEntry ("text/plain"));
        target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
 
        _track_canvas->drag_dest_set (target_table);
@@ -306,7 +311,7 @@ Editor::track_canvas_viewport_size_allocated ()
        }
 
        update_fixed_rulers();
-       redisplay_tempo (false);
+       redisplay_grid (false);
        _summary->set_overlays_dirty ();
 }
 
@@ -373,8 +378,13 @@ Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context
                                         const SelectionData& data,
                                         guint info, guint time)
 {
-       if (data.get_target() == "regions") {
-               drop_regions (context, x, y, data, info, time);
+       if (!ARDOUR_UI_UTILS::engine_is_running ()) {
+               return;
+       }
+       if (data.get_target() == X_("regions")) {
+               drop_regions (context, x, y, data, info, time, true);
+       } else if (data.get_target() == X_("sources")) {
+               drop_regions (context, x, y, data, info, time, false);
        } else {
                drop_paths (context, x, y, data, info, time);
        }
@@ -522,7 +532,7 @@ Editor::maybe_autoscroll (bool allow_horiz, bool allow_vert, bool from_headers)
 
                controls_layout.get_parent()->translate_coordinates (*toplevel,
                                                                     alloc.get_x(), alloc.get_y(),
-                                                                    wx, wy);
+                                                                    wx, wy);
 
                scrolling_boundary = ArdourCanvas::Rect (wx, wy, wx + alloc.get_width(), wy + alloc.get_height());
 
@@ -577,6 +587,18 @@ Editor::maybe_autoscroll (bool allow_horiz, bool allow_vert, bool from_headers)
        }
 }
 
+bool
+Editor::drag_active () const
+{
+       return _drags->active();
+}
+
+bool
+Editor::preview_video_drag_active () const
+{
+       return _drags->preview_video ();
+}
+
 bool
 Editor::autoscroll_active () const
 {
@@ -584,24 +606,25 @@ Editor::autoscroll_active () const
 }
 
 std::pair <samplepos_t,samplepos_t>
-Editor::session_gui_extents ( bool use_extra ) const
+Editor::session_gui_extents (bool use_extra) const
 {
        if (!_session) {
                return std::pair <samplepos_t,samplepos_t>(max_samplepos,0);
        }
-       
+
        samplecnt_t session_extent_start = _session->current_start_sample();
        samplecnt_t session_extent_end = _session->current_end_sample();
 
-       //calculate the extents of all regions in every playlist
-       //NOTE:  we should listen to playlists, and cache these values so we don't calculate them every time.
+       /* calculate the extents of all regions in every playlist
+        * NOTE: we should listen to playlists, and cache these values so we don't calculate them every time.
+        */
        {
                boost::shared_ptr<RouteList> rl = _session->get_routes();
                for (RouteList::iterator r = rl->begin(); r != rl->end(); ++r) {
                        boost::shared_ptr<Track> tr = boost::dynamic_pointer_cast<Track> (*r);
                        if (tr) {
                                boost::shared_ptr<Playlist> pl = tr->playlist();
-                               if ( pl && !pl->all_regions_empty() ) {
+                               if (pl && !pl->all_regions_empty()) {
                                        pair<samplepos_t, samplepos_t> e;
                                        e = pl->get_extent();
                                        if (e.first < session_extent_start) {
@@ -615,23 +638,23 @@ Editor::session_gui_extents ( bool use_extra ) const
                }
        }
 
-       //ToDo: also incorporate automation regions (in case the session has no audio/midi but is just used for automating plugins or the like)
+       /* ToDo: also incorporate automation regions (in case the session has no audio/midi but is just used for automating plugins or the like) */
 
-       //add additional time to the ui extents ( user-defined in config )
+       /* add additional time to the ui extents (user-defined in config) */
        if (use_extra) {
                samplecnt_t const extra = UIConfiguration::instance().get_extra_ui_extents_time() * 60 * _session->nominal_sample_rate();
                session_extent_end += extra;
                session_extent_start -= extra;
        }
-                       
-       //range-check
+
+       /* range-check */
        if (session_extent_end > max_samplepos) {
                session_extent_end = max_samplepos;
        }
        if (session_extent_start < 0) {
                session_extent_start = 0;
        }
-       
+
        std::pair <samplepos_t,samplepos_t> ret (session_extent_start, session_extent_end);
        return ret;
 }
@@ -667,7 +690,7 @@ Editor::autoscroll_canvas ()
                        dx += 10 + (2 * (autoscroll_cnt/2));
 
                        dx = pixel_to_sample (dx);
-                       
+
                        dx *= UIConfiguration::instance().get_draggable_playhead_speed();
 
                        if (_leftmost_sample < max_samplepos - dx) {
@@ -1044,7 +1067,7 @@ Editor::color_handler()
        _track_canvas->queue_draw ();
 
 /*
-       redisplay_tempo (true);
+       redisplay_grid (true);
 
        if (_session)
              _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
@@ -1148,26 +1171,6 @@ Editor::pop_canvas_cursor ()
        }
 }
 
-Gdk::Cursor*
-Editor::which_grabber_cursor () const
-{
-       Gdk::Cursor* c = _cursors->grabber;
-
-       switch (_edit_point) {
-       case EditAtMouse:
-               c = _cursors->grabber_edit_point;
-               break;
-       default:
-               boost::shared_ptr<Movable> m = _movable.lock();
-               if (m && m->locked()) {
-                       c = _cursors->speaker;
-               }
-               break;
-       }
-
-       return c;
-}
-
 Gdk::Cursor*
 Editor::which_trim_cursor (bool left) const
 {
@@ -1178,7 +1181,6 @@ Editor::which_trim_cursor (bool left) const
        Trimmable::CanTrim ct = entered_regionview->region()->can_trim ();
 
        if (left) {
-
                if (ct & Trimmable::FrontTrimEarlier) {
                        return _cursors->left_side_trim;
                } else {
@@ -1267,7 +1269,7 @@ Editor::which_track_cursor () const
        switch (_join_object_range_state) {
        case JOIN_OBJECT_RANGE_NONE:
        case JOIN_OBJECT_RANGE_OBJECT:
-               cursor = which_grabber_cursor ();
+               cursor = _cursors->grabber;
                break;
        case JOIN_OBJECT_RANGE_RANGE:
                cursor = _cursors->selector;
@@ -1299,29 +1301,19 @@ Editor::which_canvas_cursor(ItemType type) const
            mouse_mode == MouseContent) {
 
                /* find correct cursor to use in object/smart mode */
-
                switch (type) {
                case RegionItem:
                /* We don't choose a cursor for these items on top of a region view,
                   because this would push a new context on the enter stack which
                   means switching the region context for things like smart mode
                   won't actualy change the cursor. */
-               // case RegionViewNameHighlight:
-               // case RegionViewName:
                // case WaveItem:
                case StreamItem:
                case AutomationTrackItem:
                        cursor = which_track_cursor ();
                        break;
                case PlayheadCursorItem:
-                       switch (_edit_point) {
-                       case EditAtMouse:
-                               cursor = _cursors->grabber_edit_point;
-                               break;
-                       default:
-                               cursor = _cursors->grabber;
-                               break;
-                       }
+                       cursor = _cursors->grabber;
                        break;
                case SelectionItem:
                        cursor = _cursors->selector;
@@ -1363,17 +1355,31 @@ Editor::which_canvas_cursor(ItemType type) const
                        cursor = _cursors->cross_hair;
                        break;
                case LeftFrameHandle:
-                       if ( effective_mouse_mode() == MouseObject )  // (smart mode): if the user is in the btm half, show the trim cursor
+                       if (effective_mouse_mode() == MouseObject) // (smart mode): if the user is in the btm half, show the trim cursor
                                cursor = which_trim_cursor (true);
                        else
-                               cursor = _cursors->selector;  // (smart mode): in the top half, just show the selection (range) cursor
+                               cursor = _cursors->selector; // (smart mode): in the top half, just show the selection (range) cursor
                        break;
                case RightFrameHandle:
-                       if ( effective_mouse_mode() == MouseObject )  //see above
+                       if (effective_mouse_mode() == MouseObject) // see above
                                cursor = which_trim_cursor (false);
                        else
                                cursor = _cursors->selector;
                        break;
+               case RegionViewName:
+               case RegionViewNameHighlight:
+                       /* the trim bar is used for trimming, but we have to determine if we are on the left or right side of the region */
+                       cursor = MouseCursors::invalid_cursor ();
+                       if (entered_regionview) {
+                               samplepos_t where;
+                               bool in_track_canvas;
+                               if (mouse_sample (where, in_track_canvas)) {
+                                       samplepos_t start = entered_regionview->region()->first_sample();
+                                       samplepos_t end = entered_regionview->region()->last_sample();
+                                       cursor = which_trim_cursor ((where - start) < (end - where));
+                               }
+                       }
+                       break;
                case StartCrossFadeItem:
                        cursor = _cursors->fade_in;
                        break;
@@ -1431,7 +1437,7 @@ Editor::which_canvas_cursor(ItemType type) const
        case VideoBarItem:
        case TransportMarkerBarItem:
        case DropZoneItem:
-               cursor = which_grabber_cursor();
+               cursor = _cursors->grabber;
                break;
 
        default: