2 Copyright (C) 2005 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <libgnomecanvasmm/init.h>
21 #include <libgnomecanvasmm/pixbuf.h>
22 #include <jack/types.h>
23 #include <gtkmm2ext/utils.h>
25 #include "ardour/profile.h"
26 #include "ardour/rc_configuration.h"
28 #include "ardour_ui.h"
31 #include "simplerect.h"
32 #include "simpleline.h"
33 #include "imageframe.h"
34 #include "waveview_p.h"
35 #include "simplerect_p.h"
36 #include "simpleline_p.h"
37 #include "imageframe_p.h"
38 #include "canvas_impl.h"
39 #include "canvas-noevent-text.h"
41 #include "rgb_macros.h"
43 #include "audio_time_axis.h"
44 #include "editor_drag.h"
45 #include "region_view.h"
46 #include "editor_group_tabs.h"
47 #include "editor_routes.h"
48 #include "editor_summary.h"
53 using namespace ARDOUR;
57 using namespace Gtkmm2ext;
58 using namespace Editing;
60 /* XXX this is a hack. it ought to be the maximum value of an nframes64_t */
62 const double max_canvas_coordinate = (double) JACK_MAX_FRAMES;
67 GType gnome_canvas_simpleline_get_type(void);
68 GType gnome_canvas_simplerect_get_type(void);
69 GType gnome_canvas_waveview_get_type(void);
70 GType gnome_canvas_imageframe_get_type(void);
74 static void ardour_canvas_type_init()
76 // Map gtypes to gtkmm wrapper-creation functions:
78 Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new);
79 Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new);
80 Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new);
81 // Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new);
83 // Register the gtkmm gtypes:
85 (void) Gnome::Canvas::WaveView::get_type();
86 (void) Gnome::Canvas::SimpleLine::get_type();
87 (void) Gnome::Canvas::SimpleRect::get_type();
88 (void) Gnome::Canvas::ImageFrame::get_type();
92 Editor::initialize_canvas ()
94 if (getenv ("ARDOUR_NON_AA_CANVAS")) {
95 track_canvas = new ArdourCanvas::Canvas ();
97 track_canvas = new ArdourCanvas::CanvasAA ();
100 ArdourCanvas::init ();
101 ardour_canvas_type_init ();
103 /* don't try to center the canvas */
105 track_canvas->set_center_scroll_region (false);
106 track_canvas->set_dither (Gdk::RGB_DITHER_NONE);
108 gint phys_width = physical_screen_width (Glib::RefPtr<Gdk::Window>());
109 gint phys_height = physical_screen_height (Glib::RefPtr<Gdk::Window>());
111 /* stuff for the verbose canvas cursor */
113 Pango::FontDescription* font = get_font_for_style (N_("VerboseCanvasCursor"));
115 verbose_canvas_cursor = new ArdourCanvas::NoEventText (*track_canvas->root());
116 verbose_canvas_cursor->property_font_desc() = *font;
117 verbose_canvas_cursor->property_anchor() = ANCHOR_NW;
121 verbose_cursor_visible = false;
123 /* on the bottom, an image */
125 if (Profile->get_sae()) {
126 Image img (::get_icon (X_("saelogo")));
127 logo_item = new ArdourCanvas::Pixbuf (*track_canvas->root(), 0.0, 0.0, img.get_pixbuf());
128 // logo_item->property_height_in_pixels() = true;
129 // logo_item->property_width_in_pixels() = true;
130 // logo_item->property_height_set() = true;
131 // logo_item->property_width_set() = true;
135 /* a group to hold time (measure) lines */
136 time_line_group = new ArdourCanvas::Group (*track_canvas->root());
139 /*XXX please don't laugh. this actually improves canvas performance on osx */
140 bogus_background_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, max_canvas_coordinate/3, phys_height);
141 bogus_background_rect->property_outline_pixels() = 0;
143 transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
144 transport_loop_range_rect->property_outline_pixels() = 1;
145 transport_loop_range_rect->hide();
147 transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
148 transport_punch_range_rect->property_outline_pixels() = 0;
149 transport_punch_range_rect->hide();
151 _background_group = new ArdourCanvas::Group (*track_canvas->root());
152 _master_group = new ArdourCanvas::Group (*track_canvas->root());
154 _trackview_group = new ArdourCanvas::Group (*_master_group);
155 _region_motion_group = new ArdourCanvas::Group (*_trackview_group);
157 meter_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
158 if (Profile->get_sae()) {
159 meter_bar = new ArdourCanvas::SimpleRect (*meter_bar_group, 0.0, 0.0, phys_width, timebar_height - 1);
160 meter_bar->property_outline_pixels() = 1;
162 meter_bar = new ArdourCanvas::SimpleRect (*meter_bar_group, 0.0, 0.0, phys_width, timebar_height);
163 meter_bar->property_outline_pixels() = 0;
165 meter_bar->property_outline_what() = (0x1 | 0x8);
167 tempo_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
168 if (Profile->get_sae()) {
169 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
170 tempo_bar->property_outline_pixels() = 1;
172 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, phys_width, (timebar_height));
173 tempo_bar->property_outline_pixels() = 0;
175 tempo_bar->property_outline_what() = (0x1 | 0x8);
177 range_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
178 if (Profile->get_sae()) {
179 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
180 range_marker_bar->property_outline_pixels() = 1;
182 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
183 range_marker_bar->property_outline_pixels() = 0;
185 range_marker_bar->property_outline_what() = (0x1 | 0x8);
187 transport_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
188 if (Profile->get_sae()) {
189 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
190 transport_marker_bar->property_outline_pixels() = 1;
192 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
193 transport_marker_bar->property_outline_pixels() = 0;
195 transport_marker_bar->property_outline_what() = (0x1 | 0x8);
197 marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
198 if (Profile->get_sae()) {
199 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
200 marker_bar->property_outline_pixels() = 1;
202 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
203 marker_bar->property_outline_pixels() = 0;
205 marker_bar->property_outline_what() = (0x1 | 0x8);
207 cd_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
208 if (Profile->get_sae()) {
209 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
210 cd_marker_bar->property_outline_pixels() = 1;
212 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
213 cd_marker_bar->property_outline_pixels() = 0;
215 cd_marker_bar->property_outline_what() = (0x1 | 0x8);
217 timebar_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
218 cursor_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
220 meter_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 5.0);
221 tempo_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 4.0);
222 range_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 3.0);
223 transport_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 2.0);
224 marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height);
225 cd_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, 0.0);
227 cd_marker_bar_drag_rect = new ArdourCanvas::SimpleRect (*cd_marker_group, 0.0, 0.0, 100, timebar_height);
228 cd_marker_bar_drag_rect->property_outline_pixels() = 0;
229 cd_marker_bar_drag_rect->hide ();
231 range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, 100, timebar_height);
232 range_bar_drag_rect->property_outline_pixels() = 0;
233 range_bar_drag_rect->hide ();
235 transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, 100, timebar_height);
236 transport_bar_drag_rect->property_outline_pixels() = 0;
237 transport_bar_drag_rect->hide ();
239 transport_punchin_line = new ArdourCanvas::SimpleLine (*_master_group);
240 transport_punchin_line->property_x1() = 0.0;
241 transport_punchin_line->property_y1() = 0.0;
242 transport_punchin_line->property_x2() = 0.0;
243 transport_punchin_line->property_y2() = phys_height;
244 transport_punchin_line->hide ();
246 transport_punchout_line = new ArdourCanvas::SimpleLine (*_master_group);
247 transport_punchout_line->property_x1() = 0.0;
248 transport_punchout_line->property_y1() = 0.0;
249 transport_punchout_line->property_x2() = 0.0;
250 transport_punchout_line->property_y2() = phys_height;
251 transport_punchout_line->hide();
253 // used to show zoom mode active zooming
254 zoom_rect = new ArdourCanvas::SimpleRect (*_master_group, 0.0, 0.0, 0.0, 0.0);
255 zoom_rect->property_outline_pixels() = 1;
258 zoom_rect->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
260 // used as rubberband rect
261 rubberband_rect = new ArdourCanvas::SimpleRect (*_trackview_group, 0.0, 0.0, 0.0, 0.0);
263 rubberband_rect->property_outline_pixels() = 1;
264 rubberband_rect->hide();
266 tempo_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
267 meter_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
268 marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
269 cd_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_cd_marker_bar_event), cd_marker_bar));
270 range_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
271 transport_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
273 playhead_cursor = new EditorCursor (*this, &Editor::canvas_playhead_cursor_event);
276 logo_item->lower_to_bottom ();
278 /* need to handle 4 specific types of events as catch-alls */
280 track_canvas->signal_scroll_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_scroll_event));
281 track_canvas->signal_motion_notify_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_motion_notify_event));
282 track_canvas->signal_button_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_press_event));
283 track_canvas->signal_button_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_release_event));
284 track_canvas->signal_drag_motion().connect (sigc::mem_fun (*this, &Editor::track_canvas_drag_motion));
286 track_canvas->set_name ("EditorMainCanvas");
287 track_canvas->add_events (Gdk::POINTER_MOTION_HINT_MASK|Gdk::SCROLL_MASK);
288 track_canvas->signal_leave_notify_event().connect (sigc::mem_fun(*this, &Editor::left_track_canvas));
289 track_canvas->signal_enter_notify_event().connect (sigc::mem_fun(*this, &Editor::entered_track_canvas));
290 track_canvas->set_flags (CAN_FOCUS);
292 /* set up drag-n-drop */
294 vector<TargetEntry> target_table;
296 // Drag-N-Drop from the region list can generate this target
297 target_table.push_back (TargetEntry ("regions"));
299 target_table.push_back (TargetEntry ("text/plain"));
300 target_table.push_back (TargetEntry ("text/uri-list"));
301 target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
303 track_canvas->drag_dest_set (target_table);
304 track_canvas->signal_drag_data_received().connect (sigc::mem_fun(*this, &Editor::track_canvas_drag_data_received));
306 track_canvas->signal_size_allocate().connect (sigc::mem_fun(*this, &Editor::track_canvas_allocate));
308 ColorsChanged.connect (sigc::mem_fun (*this, &Editor::color_handler));
314 Editor::track_canvas_allocate (Gtk::Allocation alloc)
316 canvas_allocation = alloc;
317 track_canvas_size_allocated ();
321 Editor::track_canvas_size_allocated ()
323 bool height_changed = _canvas_height != canvas_allocation.get_height();
325 _canvas_width = canvas_allocation.get_width();
326 _canvas_height = canvas_allocation.get_height();
329 TrackViewList::iterator i;
331 for (i = track_views.begin(); i != track_views.end(); ++i) {
332 (*i)->clip_to_viewport ();
336 if (height_changed) {
337 if (playhead_cursor) {
338 playhead_cursor->set_length (_canvas_height);
341 for (MarkerSelection::iterator x = selection->markers.begin(); x != selection->markers.end(); ++x) {
342 (*x)->set_line_vpos (0, _canvas_height);
345 vertical_adjustment.set_page_size (_canvas_height);
346 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
347 if ((vertical_adjustment.get_value() + _canvas_height) >= vertical_adjustment.get_upper()) {
349 We're increasing the size of the canvas while the bottom is visible.
350 We scroll down to keep in step with the controls layout.
352 vertical_adjustment.set_value (full_canvas_height - _canvas_height);
356 update_fixed_rulers();
357 redisplay_tempo (false);
358 _summary->set_overlays_dirty ();
360 Resized (); /* EMIT_SIGNAL */
366 Editor::controls_layout_size_request (Requisition* req)
369 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
370 pos += (*i)->effective_height ();
373 gint height = min ((gint) pos, (gint) (physical_screen_height(get_window()) - 600));
375 bool changed = false;
377 gint w = edit_controls_vbox.get_width();
378 if (_group_tabs->is_mapped()) {
379 w += _group_tabs->get_width ();
382 gint width = max (w, controls_layout.get_width());
384 /* don't get too big. the fudge factors here are just guesses */
386 width = min (width, (gint) (physical_screen_width(get_window()) - 300));
388 if ((req->width != width) || (req->height != height)) {
390 controls_layout_size_request_connection.disconnect ();
393 if (req->width != width) {
394 gint vbox_width = edit_controls_vbox.get_width();
395 if (_group_tabs->is_mapped()) {
396 vbox_width += _group_tabs->get_width();
400 /* this one is important: it determines how big the layout thinks it really is, as
401 opposed to what it displays on the screen
403 controls_layout.property_width () = vbox_width;
404 controls_layout.property_width_request () = vbox_width;
406 // time_button_event_box.property_width_request () = vbox_width;
407 // zoom_box.property_width_request () = vbox_width;
410 if (req->height != height) {
411 req->height = height;
412 controls_layout.property_height () = (guint) floor (pos);
413 controls_layout.property_height_request () = height;
417 controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
419 //cerr << "sizes = " << req->width << " " << edit_controls_vbox.get_width() << " " << controls_layout.get_width() << " " << zoom_box.get_width() << " " << time_button_frame.get_width() << endl;//DEBUG
423 Editor::track_canvas_map_handler (GdkEventAny* /*ev*/)
425 if (current_canvas_cursor) {
426 track_canvas->get_window()->set_cursor (*current_canvas_cursor);
431 /** This is called when something is dropped onto the track canvas */
433 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
435 const SelectionData& data,
436 guint info, guint time)
438 if (data.get_target() == "regions") {
439 drop_regions (context, x, y, data, info, time);
441 drop_paths (context, x, y, data, info, time);
446 Editor::idle_drop_paths (vector<ustring> paths, nframes64_t frame, double ypos)
448 drop_paths_part_two (paths, frame, ypos);
453 Editor::drop_paths_part_two (const vector<ustring>& paths, nframes64_t frame, double ypos)
455 RouteTimeAxisView* tv;
457 std::pair<TimeAxisView*, int> const tvp = trackview_by_y_position (ypos);
458 if (tvp.first == 0) {
460 /* drop onto canvas background: create new tracks */
464 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
465 do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsTrack, SrcBest, frame);
467 do_embed (paths, Editing::ImportDistinctFiles, ImportAsTrack, frame);
470 } else if ((tv = dynamic_cast<RouteTimeAxisView*> (tvp.first)) != 0) {
472 /* check that its an audio track, not a bus */
475 /* select the track, then embed/import */
478 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
479 do_import (paths, Editing::ImportSerializeFiles, Editing::ImportToTrack, SrcBest, frame);
481 do_embed (paths, Editing::ImportSerializeFiles, ImportToTrack, frame);
488 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
490 const SelectionData& data,
491 guint info, guint time)
493 vector<ustring> paths;
500 if (convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
502 /* D-n-D coordinates are window-relative, so convert to "world" coordinates
505 track_canvas->window_to_world (x, y, wx, wy);
507 ev.type = GDK_BUTTON_RELEASE;
511 frame = event_frame (&ev, 0, &cy);
516 /* We are not allowed to call recursive main event loops from within
517 the main event loop with GTK/Quartz. Since import/embed wants
518 to push up a progress dialog, defer all this till we go idle.
520 Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (*this, &Editor::idle_drop_paths), paths, frame, cy));
522 drop_paths_part_two (paths, frame, cy);
526 context->drag_finish (true, false, time);
530 Editor::drop_regions (const RefPtr<Gdk::DragContext>& /*context*/,
531 int /*x*/, int /*y*/,
532 const SelectionData& /*data*/,
533 guint /*info*/, guint /*time*/)
535 _drags->end_grab (0);
539 Editor::maybe_autoscroll (bool allow_horiz, bool allow_vert)
541 nframes64_t rightmost_frame = leftmost_frame + current_page_frames();
542 bool startit = false;
544 double ty = _drags->current_pointer_y() - get_trackview_group_vertical_offset ();
548 if (ty < canvas_timebars_vsize && allow_vert) {
551 } else if (ty > _canvas_height && allow_vert) {
556 if (_drags->current_pointer_frame() > rightmost_frame && allow_horiz) {
557 if (rightmost_frame < max_frames) {
561 } else if (_drags->current_pointer_frame() < leftmost_frame && allow_horiz) {
562 if (leftmost_frame > 0) {
568 if ((autoscroll_x != last_autoscroll_x) || (autoscroll_y != last_autoscroll_y) || (autoscroll_x == 0 && autoscroll_y == 0)) {
569 stop_canvas_autoscroll ();
572 if (startit && autoscroll_timeout_tag < 0) {
573 start_canvas_autoscroll (autoscroll_x, autoscroll_y);
576 last_autoscroll_x = autoscroll_x;
577 last_autoscroll_y = autoscroll_y;
581 Editor::_autoscroll_canvas (void *arg)
583 return ((Editor *) arg)->autoscroll_canvas ();
587 Editor::autoscroll_canvas ()
589 nframes64_t new_frame;
590 nframes64_t limit = max_frames - current_page_frames();
595 if (autoscroll_x_distance != 0) {
597 if (autoscroll_x > 0) {
598 autoscroll_x_distance = (_drags->current_pointer_frame() - (leftmost_frame + current_page_frames())) / 3;
599 } else if (autoscroll_x < 0) {
600 autoscroll_x_distance = (leftmost_frame - _drags->current_pointer_frame()) / 3;
605 if (autoscroll_y_distance != 0) {
606 if (autoscroll_y > 0) {
607 autoscroll_y_distance = (_drags->current_pointer_y() - (get_trackview_group_vertical_offset() + _canvas_height)) / 3;
608 } else if (autoscroll_y < 0) {
610 autoscroll_y_distance = (vertical_adjustment.get_value () - _drags->current_pointer_y()) / 3;
614 if (autoscroll_x < 0) {
615 if (leftmost_frame < autoscroll_x_distance) {
618 new_frame = leftmost_frame - autoscroll_x_distance;
620 } else if (autoscroll_x > 0) {
621 if (leftmost_frame > limit - autoscroll_x_distance) {
624 new_frame = leftmost_frame + autoscroll_x_distance;
627 new_frame = leftmost_frame;
630 double vertical_pos = vertical_adjustment.get_value();
632 if (autoscroll_y < 0) {
634 if (vertical_pos < autoscroll_y_distance) {
637 new_pixel = vertical_pos - autoscroll_y_distance;
640 target_pixel = _drags->current_pointer_y() - autoscroll_y_distance;
641 target_pixel = max (target_pixel, 0.0);
643 } else if (autoscroll_y > 0) {
645 double top_of_bottom_of_canvas = full_canvas_height - _canvas_height;
647 if (vertical_pos > full_canvas_height - autoscroll_y_distance) {
648 new_pixel = full_canvas_height;
650 new_pixel = vertical_pos + autoscroll_y_distance;
653 new_pixel = min (top_of_bottom_of_canvas, new_pixel);
655 target_pixel = _drags->current_pointer_y() + autoscroll_y_distance;
657 /* don't move to the full canvas height because the item will be invisible
658 (its top edge will line up with the bottom of the visible canvas.
661 target_pixel = min (target_pixel, full_canvas_height - 10);
664 target_pixel = _drags->current_pointer_y();
665 new_pixel = vertical_pos;
668 if ((new_frame == 0 || new_frame == limit) && (new_pixel == 0 || new_pixel == DBL_MAX)) {
673 if (new_frame != leftmost_frame) {
674 reset_x_origin (new_frame);
677 vertical_adjustment.set_value (new_pixel);
681 Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->track_canvas->get_window();
683 Gdk::ModifierType mask;
684 canvas_window->get_pointer (x, y, mask);
685 ev.type = GDK_MOTION_NOTIFY;
686 ev.state = Gdk::BUTTON1_MASK;
690 motion_handler (0, (GdkEvent*) &ev, true);
694 if (autoscroll_cnt == 1) {
696 /* connect the timeout so that we get called repeatedly */
698 autoscroll_timeout_tag = g_idle_add ( _autoscroll_canvas, this);
707 Editor::start_canvas_autoscroll (int dx, int dy)
709 if (!_session || autoscroll_active) {
713 stop_canvas_autoscroll ();
715 autoscroll_active = true;
718 autoscroll_x_distance = (nframes64_t) floor (current_page_frames()/50.0);
719 autoscroll_y_distance = fabs (dy * 5); /* pixels */
722 /* do it right now, which will start the repeated callbacks */
724 autoscroll_canvas ();
728 Editor::stop_canvas_autoscroll ()
730 if (autoscroll_timeout_tag >= 0) {
731 g_source_remove (autoscroll_timeout_tag);
732 autoscroll_timeout_tag = -1;
735 autoscroll_active = false;
739 Editor::left_track_canvas (GdkEventCrossing */*ev*/)
742 set_entered_track (0);
743 set_entered_regionview (0);
744 reset_canvas_action_sensitivity (false);
749 Editor::entered_track_canvas (GdkEventCrossing */*ev*/)
751 reset_canvas_action_sensitivity (true);
756 Editor::tie_vertical_scrolling ()
758 scroll_canvas_vertically ();
760 /* this will do an immediate redraw */
762 controls_layout.get_vadjustment()->set_value (vertical_adjustment.get_value());
764 if (pending_visual_change.idle_handler_id < 0) {
765 _summary->set_overlays_dirty ();
770 Editor::set_horizontal_position (double p)
772 /* horizontal scrolling only */
773 double x1, y1, x2, y2, x_delta;
774 _master_group->get_bounds (x1, y1, x2, y2);
776 x_delta = - (x1 + p);
778 _master_group->move (x_delta, 0);
779 timebar_group->move (x_delta, 0);
780 time_line_group->move (x_delta, 0);
781 cursor_group->move (x_delta, 0);
783 leftmost_frame = (nframes64_t) floor (p * frames_per_unit);
785 update_fixed_rulers ();
786 redisplay_tempo (true);
788 if (pending_visual_change.idle_handler_id < 0) {
789 _summary->set_overlays_dirty ();
793 if (!autoscroll_active && !_stationary_playhead) {
794 /* force rulers and canvas to move in lock step */
795 while (gtk_events_pending ()) {
796 gtk_main_iteration ();
804 Editor::scroll_canvas_vertically ()
806 /* vertical scrolling only */
810 y_delta = last_trackview_group_vertical_offset - get_trackview_group_vertical_offset ();
811 _trackview_group->move (0, y_delta);
812 _background_group->move (0, y_delta);
814 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
815 (*i)->clip_to_viewport ();
817 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
818 /* required to keep the controls_layout in lock step with the canvas group */
819 update_canvas_now ();
823 Editor::color_handler()
825 playhead_cursor->canvas_item.property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_PlayHead.get();
826 verbose_canvas_cursor->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_VerboseCanvasCursor.get();
828 meter_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MeterBar.get();
829 meter_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
831 tempo_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TempoBar.get();
832 tempo_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
834 marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBar.get();
835 marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
837 cd_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_CDMarkerBar.get();
838 cd_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
840 range_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeMarkerBar.get();
841 range_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
843 transport_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportMarkerBar.get();
844 transport_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
846 cd_marker_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
847 cd_marker_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
849 range_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
850 range_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
852 transport_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
853 transport_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
855 transport_loop_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
856 transport_loop_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
858 transport_punch_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
859 transport_punch_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
861 transport_punchin_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
862 transport_punchout_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
864 zoom_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
865 zoom_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
867 rubberband_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
868 rubberband_rect->property_fill_color_rgba() = (guint32) ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
870 location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
871 location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
872 location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
873 location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
874 location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
876 refresh_location_display ();
878 redisplay_tempo (true);
881 _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
886 Editor::flush_canvas ()
889 update_canvas_now ();
890 // gdk_window_process_updates (GTK_LAYOUT(track_canvas->gobj())->bin_window, true);
895 Editor::update_canvas_now ()
897 /* GnomeCanvas has a bug whereby if its idle handler is not scheduled between
898 two calls to update_now, an assert will trip. This wrapper works around
899 that problem by only calling update_now if the assert will not trip.
901 I think the GC bug is due to the fact that its code will reset need_update
902 and need_redraw to FALSE without checking to see if an idle handler is scheduled.
903 If one is scheduled, GC should probably remove it.
906 GnomeCanvas* c = track_canvas->gobj ();
907 if (c->need_update || c->need_redraw) {
908 track_canvas->update_now ();
913 Editor::horizontal_position () const
915 return frame_to_unit (leftmost_frame);