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"
52 using namespace ARDOUR;
56 using namespace Gtkmm2ext;
57 using namespace Editing;
59 /* XXX this is a hack. it ought to be the maximum value of an nframes64_t */
61 const double max_canvas_coordinate = (double) JACK_MAX_FRAMES;
66 GType gnome_canvas_simpleline_get_type(void);
67 GType gnome_canvas_simplerect_get_type(void);
68 GType gnome_canvas_waveview_get_type(void);
69 GType gnome_canvas_imageframe_get_type(void);
73 static void ardour_canvas_type_init()
75 // Map gtypes to gtkmm wrapper-creation functions:
77 Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new);
78 Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new);
79 Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new);
80 // Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new);
82 // Register the gtkmm gtypes:
84 (void) Gnome::Canvas::WaveView::get_type();
85 (void) Gnome::Canvas::SimpleLine::get_type();
86 (void) Gnome::Canvas::SimpleRect::get_type();
87 (void) Gnome::Canvas::ImageFrame::get_type();
91 Editor::initialize_canvas ()
93 if (getenv ("ARDOUR_NON_AA_CANVAS")) {
94 track_canvas = new ArdourCanvas::Canvas ();
96 track_canvas = new ArdourCanvas::CanvasAA ();
99 ArdourCanvas::init ();
100 ardour_canvas_type_init ();
102 /* don't try to center the canvas */
104 track_canvas->set_center_scroll_region (false);
105 track_canvas->set_dither (Gdk::RGB_DITHER_NONE);
107 Glib::RefPtr<Gdk::Screen> screen = get_screen();
110 screen = Gdk::Screen::get_default();
112 physical_screen_width = screen->get_width ();
113 physical_screen_height = screen->get_height ();
115 /* stuff for the verbose canvas cursor */
117 Pango::FontDescription* font = get_font_for_style (N_("VerboseCanvasCursor"));
119 verbose_canvas_cursor = new ArdourCanvas::NoEventText (*track_canvas->root());
120 verbose_canvas_cursor->property_font_desc() = *font;
121 verbose_canvas_cursor->property_anchor() = ANCHOR_NW;
125 verbose_cursor_visible = false;
127 /* on the bottom, an image */
129 if (Profile->get_sae()) {
130 Image img (::get_icon (X_("saelogo")));
131 logo_item = new ArdourCanvas::Pixbuf (*track_canvas->root(), 0.0, 0.0, img.get_pixbuf());
132 // logo_item->property_height_in_pixels() = true;
133 // logo_item->property_width_in_pixels() = true;
134 // logo_item->property_height_set() = true;
135 // logo_item->property_width_set() = true;
139 /* a group to hold time (measure) lines */
140 time_line_group = new ArdourCanvas::Group (*track_canvas->root());
143 /*XXX please don't laugh. this actually improves canvas performance on osx */
144 bogus_background_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, max_canvas_coordinate/3, physical_screen_height);
145 bogus_background_rect->property_outline_pixels() = 0;
147 transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, physical_screen_height);
148 transport_loop_range_rect->property_outline_pixels() = 1;
149 transport_loop_range_rect->hide();
151 transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, physical_screen_height);
152 transport_punch_range_rect->property_outline_pixels() = 0;
153 transport_punch_range_rect->hide();
155 _background_group = new ArdourCanvas::Group (*track_canvas->root());
156 _master_group = new ArdourCanvas::Group (*track_canvas->root());
158 _trackview_group = new ArdourCanvas::Group (*_master_group);
159 _region_motion_group = new ArdourCanvas::Group (*_trackview_group);
161 meter_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
162 if (Profile->get_sae()) {
163 meter_bar = new ArdourCanvas::SimpleRect (*meter_bar_group, 0.0, 0.0, physical_screen_width, timebar_height - 1);
164 meter_bar->property_outline_pixels() = 1;
166 meter_bar = new ArdourCanvas::SimpleRect (*meter_bar_group, 0.0, 0.0, physical_screen_width, timebar_height);
167 meter_bar->property_outline_pixels() = 0;
169 meter_bar->property_outline_what() = (0x1 | 0x8);
171 tempo_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
172 if (Profile->get_sae()) {
173 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, physical_screen_width, (timebar_height - 1));
174 tempo_bar->property_outline_pixels() = 1;
176 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, physical_screen_width, (timebar_height));
177 tempo_bar->property_outline_pixels() = 0;
179 tempo_bar->property_outline_what() = (0x1 | 0x8);
181 range_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
182 if (Profile->get_sae()) {
183 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, physical_screen_width, (timebar_height - 1));
184 range_marker_bar->property_outline_pixels() = 1;
186 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, physical_screen_width, (timebar_height));
187 range_marker_bar->property_outline_pixels() = 0;
189 range_marker_bar->property_outline_what() = (0x1 | 0x8);
191 transport_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
192 if (Profile->get_sae()) {
193 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, physical_screen_width, (timebar_height - 1));
194 transport_marker_bar->property_outline_pixels() = 1;
196 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, physical_screen_width, (timebar_height));
197 transport_marker_bar->property_outline_pixels() = 0;
199 transport_marker_bar->property_outline_what() = (0x1 | 0x8);
201 marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
202 if (Profile->get_sae()) {
203 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, physical_screen_width, (timebar_height - 1));
204 marker_bar->property_outline_pixels() = 1;
206 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, physical_screen_width, (timebar_height));
207 marker_bar->property_outline_pixels() = 0;
209 marker_bar->property_outline_what() = (0x1 | 0x8);
211 cd_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
212 if (Profile->get_sae()) {
213 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, physical_screen_width, (timebar_height - 1));
214 cd_marker_bar->property_outline_pixels() = 1;
216 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, physical_screen_width, (timebar_height));
217 cd_marker_bar->property_outline_pixels() = 0;
219 cd_marker_bar->property_outline_what() = (0x1 | 0x8);
221 timebar_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
222 cursor_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
224 meter_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 5.0);
225 tempo_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 4.0);
226 range_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 3.0);
227 transport_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 2.0);
228 marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height);
229 cd_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, 0.0);
231 cd_marker_bar_drag_rect = new ArdourCanvas::SimpleRect (*cd_marker_group, 0.0, 0.0, 100, timebar_height);
232 cd_marker_bar_drag_rect->property_outline_pixels() = 0;
233 cd_marker_bar_drag_rect->hide ();
235 range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, 100, timebar_height);
236 range_bar_drag_rect->property_outline_pixels() = 0;
237 range_bar_drag_rect->hide ();
239 transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, 100, timebar_height);
240 transport_bar_drag_rect->property_outline_pixels() = 0;
241 transport_bar_drag_rect->hide ();
243 transport_punchin_line = new ArdourCanvas::SimpleLine (*_master_group);
244 transport_punchin_line->property_x1() = 0.0;
245 transport_punchin_line->property_y1() = 0.0;
246 transport_punchin_line->property_x2() = 0.0;
247 transport_punchin_line->property_y2() = physical_screen_height;
248 transport_punchin_line->hide ();
250 transport_punchout_line = new ArdourCanvas::SimpleLine (*_master_group);
251 transport_punchout_line->property_x1() = 0.0;
252 transport_punchout_line->property_y1() = 0.0;
253 transport_punchout_line->property_x2() = 0.0;
254 transport_punchout_line->property_y2() = physical_screen_height;
255 transport_punchout_line->hide();
257 // used to show zoom mode active zooming
258 zoom_rect = new ArdourCanvas::SimpleRect (*_master_group, 0.0, 0.0, 0.0, 0.0);
259 zoom_rect->property_outline_pixels() = 1;
262 zoom_rect->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
264 // used as rubberband rect
265 rubberband_rect = new ArdourCanvas::SimpleRect (*_trackview_group, 0.0, 0.0, 0.0, 0.0);
267 rubberband_rect->property_outline_pixels() = 1;
268 rubberband_rect->hide();
270 tempo_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
271 meter_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
272 marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
273 cd_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_cd_marker_bar_event), cd_marker_bar));
274 range_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
275 transport_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
277 playhead_cursor = new EditorCursor (*this, &Editor::canvas_playhead_cursor_event);
280 logo_item->lower_to_bottom ();
282 /* need to handle 4 specific types of events as catch-alls */
284 track_canvas->signal_scroll_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_scroll_event));
285 track_canvas->signal_motion_notify_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_motion_notify_event));
286 track_canvas->signal_button_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_press_event));
287 track_canvas->signal_button_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_release_event));
288 track_canvas->signal_drag_motion().connect (sigc::mem_fun (*this, &Editor::track_canvas_drag_motion));
290 track_canvas->set_name ("EditorMainCanvas");
291 track_canvas->add_events (Gdk::POINTER_MOTION_HINT_MASK|Gdk::SCROLL_MASK);
292 track_canvas->signal_leave_notify_event().connect (sigc::mem_fun(*this, &Editor::left_track_canvas));
293 track_canvas->signal_enter_notify_event().connect (sigc::mem_fun(*this, &Editor::entered_track_canvas));
294 track_canvas->set_flags (CAN_FOCUS);
296 /* set up drag-n-drop */
298 vector<TargetEntry> target_table;
300 // Drag-N-Drop from the region list can generate this target
301 target_table.push_back (TargetEntry ("regions"));
303 target_table.push_back (TargetEntry ("text/plain"));
304 target_table.push_back (TargetEntry ("text/uri-list"));
305 target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
307 track_canvas->drag_dest_set (target_table);
308 track_canvas->signal_drag_data_received().connect (sigc::mem_fun(*this, &Editor::track_canvas_drag_data_received));
310 track_canvas->signal_size_allocate().connect (sigc::mem_fun(*this, &Editor::track_canvas_allocate));
312 ColorsChanged.connect (sigc::mem_fun (*this, &Editor::color_handler));
318 Editor::track_canvas_allocate (Gtk::Allocation alloc)
320 canvas_allocation = alloc;
321 track_canvas_size_allocated ();
325 Editor::track_canvas_size_allocated ()
327 bool height_changed = _canvas_height != canvas_allocation.get_height();
329 _canvas_width = canvas_allocation.get_width();
330 _canvas_height = canvas_allocation.get_height();
333 TrackViewList::iterator i;
336 for (i = track_views.begin(); i != track_views.end(); ++i) {
337 height += (*i)->effective_height ();
338 (*i)->clip_to_viewport ();
341 full_canvas_height = height + canvas_timebars_vsize;
344 if (height_changed) {
345 if (playhead_cursor) {
346 playhead_cursor->set_length (_canvas_height);
349 for (MarkerSelection::iterator x = selection->markers.begin(); x != selection->markers.end(); ++x) {
350 (*x)->set_line_vpos (0, _canvas_height);
353 vertical_adjustment.set_page_size (_canvas_height);
354 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
355 if ((vertical_adjustment.get_value() + _canvas_height) >= vertical_adjustment.get_upper()) {
357 We're increasing the size of the canvas while the bottom is visible.
358 We scroll down to keep in step with the controls layout.
360 vertical_adjustment.set_value (full_canvas_height - _canvas_height);
364 handle_new_duration ();
365 update_fixed_rulers();
366 redisplay_tempo (false);
367 _summary->set_overlays_dirty ();
369 Resized (); /* EMIT_SIGNAL */
375 Editor::controls_layout_size_request (Requisition* req)
378 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
379 pos += (*i)->effective_height ();
380 (*i)->clip_to_viewport ();
383 gint height = min ((gint) pos, (gint) (physical_screen_height - 600));
385 bool changed = false;
387 gint w = edit_controls_vbox.get_width();
388 if (_group_tabs->is_mapped()) {
389 w += _group_tabs->get_width ();
392 gint width = max (w, controls_layout.get_width());
394 /* don't get too big. the fudge factors here are just guesses */
396 width = min (width, (gint) (physical_screen_width - 300));
398 if ((req->width != width) || (req->height != height)) {
400 controls_layout_size_request_connection.disconnect ();
403 if (req->width != width) {
404 gint vbox_width = edit_controls_vbox.get_width();
405 if (_group_tabs->is_mapped()) {
406 vbox_width += _group_tabs->get_width();
410 /* this one is important: it determines how big the layout thinks it really is, as
411 opposed to what it displays on the screen
413 controls_layout.property_width () = vbox_width;
414 controls_layout.property_width_request () = vbox_width;
416 // time_button_event_box.property_width_request () = vbox_width;
417 // zoom_box.property_width_request () = vbox_width;
420 if (req->height != height) {
421 req->height = height;
422 controls_layout.property_height () = (guint) floor (pos);
423 controls_layout.property_height_request () = height;
427 controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
429 //cerr << "sizes = " << req->width << " " << edit_controls_vbox.get_width() << " " << controls_layout.get_width() << " " << zoom_box.get_width() << " " << time_button_frame.get_width() << endl;//DEBUG
433 Editor::track_canvas_map_handler (GdkEventAny* /*ev*/)
435 if (current_canvas_cursor) {
436 track_canvas->get_window()->set_cursor (*current_canvas_cursor);
442 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
444 const SelectionData& data,
445 guint info, guint time)
447 if (data.get_target() == "regions") {
448 drop_regions (context, x, y, data, info, time);
450 drop_paths (context, x, y, data, info, time);
455 Editor::idle_drop_paths (vector<ustring> paths, nframes64_t frame, double ypos)
457 drop_paths_part_two (paths, frame, ypos);
462 Editor::drop_paths_part_two (const vector<ustring>& paths, nframes64_t frame, double ypos)
464 RouteTimeAxisView* tv;
466 std::pair<TimeAxisView*, int> const tvp = trackview_by_y_position (ypos);
467 if (tvp.first == 0) {
469 /* drop onto canvas background: create new tracks */
473 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
474 do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsTrack, SrcBest, frame);
476 do_embed (paths, Editing::ImportDistinctFiles, ImportAsTrack, frame);
479 } else if ((tv = dynamic_cast<RouteTimeAxisView*> (tvp.first)) != 0) {
481 /* check that its an audio track, not a bus */
483 if (tv->get_diskstream()) {
484 /* select the track, then embed/import */
487 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
488 do_import (paths, Editing::ImportSerializeFiles, Editing::ImportToTrack, SrcBest, frame);
490 do_embed (paths, Editing::ImportSerializeFiles, ImportToTrack, frame);
497 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
499 const SelectionData& data,
500 guint info, guint time)
502 vector<ustring> paths;
509 if (convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
511 /* D-n-D coordinates are window-relative, so convert to "world" coordinates
514 track_canvas->window_to_world (x, y, wx, wy);
516 ev.type = GDK_BUTTON_RELEASE;
520 frame = event_frame (&ev, 0, &cy);
525 /* We are not allowed to call recursive main event loops from within
526 the main event loop with GTK/Quartz. Since import/embed wants
527 to push up a progress dialog, defer all this till we go idle.
529 Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (*this, &Editor::idle_drop_paths), paths, frame, cy));
531 drop_paths_part_two (paths, frame, cy);
535 context->drag_finish (true, false, time);
539 Editor::drop_regions (const RefPtr<Gdk::DragContext>& /*context*/,
540 int /*x*/, int /*y*/,
541 const SelectionData& /*data*/,
542 guint /*info*/, guint /*time*/)
544 _drags->end_grab (0);
548 Editor::maybe_autoscroll (GdkEventMotion* event, bool allow_vert)
550 nframes64_t rightmost_frame = leftmost_frame + current_page_frames();
551 pair<nframes64_t, nframes64_t> frames = _drags->extent ();
552 bool startit = false;
556 if (event->y < canvas_timebars_vsize && allow_vert) {
559 } else if (event->y > _canvas_height) {
564 if (frames.second > rightmost_frame) {
566 if (rightmost_frame < max_frames) {
571 } else if (frames.first < leftmost_frame) {
572 if (leftmost_frame > 0) {
579 if (!allow_vertical_scroll) {
583 if ((autoscroll_x != last_autoscroll_x) || (autoscroll_y != last_autoscroll_y) || (autoscroll_x == 0 && autoscroll_y == 0)) {
584 stop_canvas_autoscroll ();
587 if (startit && autoscroll_timeout_tag < 0) {
588 start_canvas_autoscroll (autoscroll_x, autoscroll_y);
591 last_autoscroll_x = autoscroll_x;
592 last_autoscroll_y = autoscroll_y;
596 Editor::_autoscroll_canvas (void *arg)
598 return ((Editor *) arg)->autoscroll_canvas ();
602 Editor::autoscroll_canvas ()
604 nframes64_t new_frame;
605 nframes64_t limit = max_frames - current_page_frames();
610 if (autoscroll_x_distance != 0) {
612 pair<nframes64_t, nframes64_t> const e = _drags->extent ();
614 if (autoscroll_x > 0) {
615 autoscroll_x_distance = (e.second - (leftmost_frame + current_page_frames())) / 3;
616 } else if (autoscroll_x < 0) {
617 autoscroll_x_distance = (leftmost_frame - e.first) / 3;
622 if (autoscroll_y_distance != 0) {
623 if (autoscroll_y > 0) {
624 autoscroll_y_distance = (_drags->current_pointer_y() - (get_trackview_group_vertical_offset() + _canvas_height)) / 3;
625 } else if (autoscroll_y < 0) {
627 autoscroll_y_distance = (vertical_adjustment.get_value () - _drags->current_pointer_y()) / 3;
631 if (autoscroll_x < 0) {
632 if (leftmost_frame < autoscroll_x_distance) {
635 new_frame = leftmost_frame - autoscroll_x_distance;
637 } else if (autoscroll_x > 0) {
638 if (leftmost_frame > limit - autoscroll_x_distance) {
641 new_frame = leftmost_frame + autoscroll_x_distance;
644 new_frame = leftmost_frame;
647 double vertical_pos = vertical_adjustment.get_value();
649 if (autoscroll_y < 0) {
651 if (vertical_pos < autoscroll_y_distance) {
654 new_pixel = vertical_pos - autoscroll_y_distance;
657 target_pixel = _drags->current_pointer_y() - autoscroll_y_distance;
658 target_pixel = max (target_pixel, 0.0);
660 } else if (autoscroll_y > 0) {
662 double top_of_bottom_of_canvas = full_canvas_height - _canvas_height;
664 if (vertical_pos > full_canvas_height - autoscroll_y_distance) {
665 new_pixel = full_canvas_height;
667 new_pixel = vertical_pos + autoscroll_y_distance;
670 new_pixel = min (top_of_bottom_of_canvas, new_pixel);
672 target_pixel = _drags->current_pointer_y() + autoscroll_y_distance;
674 /* don't move to the full canvas height because the item will be invisible
675 (its top edge will line up with the bottom of the visible canvas.
678 target_pixel = min (target_pixel, full_canvas_height - 10);
681 target_pixel = _drags->current_pointer_y();
682 new_pixel = vertical_pos;
685 if ((new_frame == 0 || new_frame == limit) && (new_pixel == 0 || new_pixel == DBL_MAX)) {
690 if (new_frame != leftmost_frame) {
691 reset_x_origin (new_frame);
694 vertical_adjustment.set_value (new_pixel);
698 Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->track_canvas->get_window();
700 Gdk::ModifierType mask;
701 canvas_window->get_pointer (x, y, mask);
702 ev.type = GDK_MOTION_NOTIFY;
703 ev.state = Gdk::BUTTON1_MASK;
707 motion_handler (0, (GdkEvent*) &ev, true);
711 if (autoscroll_cnt == 1) {
713 /* connect the timeout so that we get called repeatedly */
715 autoscroll_timeout_tag = g_idle_add ( _autoscroll_canvas, this);
724 Editor::start_canvas_autoscroll (int dx, int dy)
726 if (!_session || autoscroll_active) {
730 stop_canvas_autoscroll ();
732 autoscroll_active = true;
735 autoscroll_x_distance = (nframes64_t) floor (current_page_frames()/50.0);
736 autoscroll_y_distance = fabs (dy * 5); /* pixels */
739 /* do it right now, which will start the repeated callbacks */
741 autoscroll_canvas ();
745 Editor::stop_canvas_autoscroll ()
748 if (autoscroll_timeout_tag >= 0) {
749 g_source_remove (autoscroll_timeout_tag);
750 autoscroll_timeout_tag = -1;
753 autoscroll_active = false;
757 Editor::left_track_canvas (GdkEventCrossing */*ev*/)
759 set_entered_track (0);
760 set_entered_regionview (0);
761 reset_canvas_action_sensitivity (false);
766 Editor::entered_track_canvas (GdkEventCrossing */*ev*/)
768 reset_canvas_action_sensitivity (true);
773 Editor::tie_vertical_scrolling ()
775 scroll_canvas_vertically ();
777 /* this will do an immediate redraw */
779 controls_layout.get_vadjustment()->set_value (vertical_adjustment.get_value());
781 if (pending_visual_change.idle_handler_id < 0) {
782 _summary->set_overlays_dirty ();
787 Editor::scroll_canvas_horizontally ()
789 /* horizontal scrolling only */
790 double x1, y1, x2, y2, x_delta;
791 _master_group->get_bounds (x1, y1, x2, y2);
793 x_delta = - (x1 + horizontal_adjustment.get_value());
795 _master_group->move (x_delta, 0);
796 timebar_group->move (x_delta, 0);
797 time_line_group->move (x_delta, 0);
798 cursor_group->move (x_delta, 0);
800 leftmost_frame = (nframes64_t) floor (horizontal_adjustment.get_value() * frames_per_unit);
802 update_fixed_rulers ();
803 redisplay_tempo (true);
805 if (pending_visual_change.idle_handler_id < 0) {
806 _summary->set_overlays_dirty ();
810 if (!autoscroll_active) {
811 /* force rulers and canvas to move in lock step */
812 while (gtk_events_pending ()) {
813 gtk_main_iteration ();
821 Editor::scroll_canvas_vertically ()
823 /* vertical scrolling only */
827 y_delta = last_trackview_group_vertical_offset - get_trackview_group_vertical_offset ();
828 _trackview_group->move (0, y_delta);
829 _background_group->move (0, y_delta);
831 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
832 (*i)->clip_to_viewport ();
834 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
835 /* required to keep the controls_layout in lock step with the canvas group */
836 update_canvas_now ();
840 Editor::color_handler()
842 playhead_cursor->canvas_item.property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_PlayHead.get();
843 verbose_canvas_cursor->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_VerboseCanvasCursor.get();
845 meter_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MeterBar.get();
846 meter_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
848 tempo_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TempoBar.get();
849 tempo_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
851 marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBar.get();
852 marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
854 cd_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_CDMarkerBar.get();
855 cd_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
857 range_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeMarkerBar.get();
858 range_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
860 transport_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportMarkerBar.get();
861 transport_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
863 cd_marker_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
864 cd_marker_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
866 range_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
867 range_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
869 transport_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
870 transport_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
872 transport_loop_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
873 transport_loop_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
875 transport_punch_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
876 transport_punch_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
878 transport_punchin_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
879 transport_punchout_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
881 zoom_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
882 zoom_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
884 rubberband_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
885 rubberband_rect->property_fill_color_rgba() = (guint32) ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
887 location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
888 location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
889 location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
890 location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
891 location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
893 refresh_location_display ();
895 redisplay_tempo (true);
898 _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
903 Editor::flush_canvas ()
906 update_canvas_now ();
907 // gdk_window_process_updates (GTK_LAYOUT(track_canvas->gobj())->bin_window, true);
912 Editor::update_canvas_now ()
914 /* GnomeCanvas has a bug whereby if its idle handler is not scheduled between
915 two calls to update_now, an assert will trip. This wrapper works around
916 that problem by only calling update_now if the assert will not trip.
918 I think the GC bug is due to the fact that its code will reset need_update
919 and need_redraw to FALSE without checking to see if an idle handler is scheduled.
920 If one is scheduled, GC should probably remove it.
923 GnomeCanvas* c = track_canvas->gobj ();
924 if (c->need_update || c->need_redraw) {
925 track_canvas->update_now ();