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"
54 using namespace ARDOUR;
58 using namespace Gtkmm2ext;
59 using namespace Editing;
61 /* XXX this is a hack. it ought to be the maximum value of an framepos_t */
63 const double max_canvas_coordinate = (double) JACK_MAX_FRAMES;
68 GType gnome_canvas_simpleline_get_type(void);
69 GType gnome_canvas_simplerect_get_type(void);
70 GType gnome_canvas_waveview_get_type(void);
71 GType gnome_canvas_imageframe_get_type(void);
75 static void ardour_canvas_type_init()
77 // Map gtypes to gtkmm wrapper-creation functions:
79 Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new);
80 Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new);
81 Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new);
82 // Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new);
84 // Register the gtkmm gtypes:
86 (void) Gnome::Canvas::WaveView::get_type();
87 (void) Gnome::Canvas::SimpleLine::get_type();
88 (void) Gnome::Canvas::SimpleRect::get_type();
89 (void) Gnome::Canvas::ImageFrame::get_type();
93 Editor::initialize_canvas ()
95 if (getenv ("ARDOUR_NON_AA_CANVAS")) {
96 track_canvas = new ArdourCanvas::Canvas ();
98 track_canvas = new ArdourCanvas::CanvasAA ();
101 ArdourCanvas::init ();
102 ardour_canvas_type_init ();
104 /* don't try to center the canvas */
106 track_canvas->set_center_scroll_region (false);
107 track_canvas->set_dither (Gdk::RGB_DITHER_NONE);
109 gint phys_width = physical_screen_width (Glib::RefPtr<Gdk::Window>());
110 gint phys_height = physical_screen_height (Glib::RefPtr<Gdk::Window>());
112 /* stuff for the verbose canvas cursor */
114 Pango::FontDescription* font = get_font_for_style (N_("VerboseCanvasCursor"));
116 verbose_canvas_cursor = new ArdourCanvas::NoEventText (*track_canvas->root());
117 verbose_canvas_cursor->property_font_desc() = *font;
118 verbose_canvas_cursor->property_anchor() = ANCHOR_NW;
122 verbose_cursor_visible = false;
124 /* on the bottom, an image */
126 if (Profile->get_sae()) {
127 Image img (::get_icon (X_("saelogo")));
128 logo_item = new ArdourCanvas::Pixbuf (*track_canvas->root(), 0.0, 0.0, img.get_pixbuf());
129 // logo_item->property_height_in_pixels() = true;
130 // logo_item->property_width_in_pixels() = true;
131 // logo_item->property_height_set() = true;
132 // logo_item->property_width_set() = true;
136 /* a group to hold time (measure) lines */
137 time_line_group = new ArdourCanvas::Group (*track_canvas->root());
140 /*XXX please don't laugh. this actually improves canvas performance on osx */
141 bogus_background_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, max_canvas_coordinate/3, phys_height);
142 bogus_background_rect->property_outline_pixels() = 0;
144 transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
145 transport_loop_range_rect->property_outline_pixels() = 1;
146 transport_loop_range_rect->hide();
148 transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
149 transport_punch_range_rect->property_outline_pixels() = 0;
150 transport_punch_range_rect->hide();
152 _background_group = new ArdourCanvas::Group (*track_canvas->root());
153 _master_group = new ArdourCanvas::Group (*track_canvas->root());
155 _trackview_group = new ArdourCanvas::Group (*_master_group);
156 _region_motion_group = new ArdourCanvas::Group (*_trackview_group);
158 meter_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
159 if (Profile->get_sae()) {
160 meter_bar = new ArdourCanvas::SimpleRect (*meter_bar_group, 0.0, 0.0, phys_width, timebar_height - 1);
161 meter_bar->property_outline_pixels() = 1;
163 meter_bar = new ArdourCanvas::SimpleRect (*meter_bar_group, 0.0, 0.0, phys_width, timebar_height);
164 meter_bar->property_outline_pixels() = 0;
166 meter_bar->property_outline_what() = (0x1 | 0x8);
168 tempo_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
169 if (Profile->get_sae()) {
170 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
171 tempo_bar->property_outline_pixels() = 1;
173 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, phys_width, (timebar_height));
174 tempo_bar->property_outline_pixels() = 0;
176 tempo_bar->property_outline_what() = (0x1 | 0x8);
178 range_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
179 if (Profile->get_sae()) {
180 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
181 range_marker_bar->property_outline_pixels() = 1;
183 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
184 range_marker_bar->property_outline_pixels() = 0;
186 range_marker_bar->property_outline_what() = (0x1 | 0x8);
188 transport_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
189 if (Profile->get_sae()) {
190 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
191 transport_marker_bar->property_outline_pixels() = 1;
193 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
194 transport_marker_bar->property_outline_pixels() = 0;
196 transport_marker_bar->property_outline_what() = (0x1 | 0x8);
198 marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
199 if (Profile->get_sae()) {
200 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
201 marker_bar->property_outline_pixels() = 1;
203 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
204 marker_bar->property_outline_pixels() = 0;
206 marker_bar->property_outline_what() = (0x1 | 0x8);
208 cd_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
209 if (Profile->get_sae()) {
210 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
211 cd_marker_bar->property_outline_pixels() = 1;
213 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height));
214 cd_marker_bar->property_outline_pixels() = 0;
216 cd_marker_bar->property_outline_what() = (0x1 | 0x8);
218 timebar_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
219 cursor_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
221 meter_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 5.0);
222 tempo_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 4.0);
223 range_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 3.0);
224 transport_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 2.0);
225 marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height);
226 cd_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, 0.0);
228 cd_marker_bar_drag_rect = new ArdourCanvas::SimpleRect (*cd_marker_group, 0.0, 0.0, 100, timebar_height);
229 cd_marker_bar_drag_rect->property_outline_pixels() = 0;
230 cd_marker_bar_drag_rect->hide ();
232 range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, 100, timebar_height);
233 range_bar_drag_rect->property_outline_pixels() = 0;
234 range_bar_drag_rect->hide ();
236 transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, 100, timebar_height);
237 transport_bar_drag_rect->property_outline_pixels() = 0;
238 transport_bar_drag_rect->hide ();
240 transport_punchin_line = new ArdourCanvas::SimpleLine (*_master_group);
241 transport_punchin_line->property_x1() = 0.0;
242 transport_punchin_line->property_y1() = 0.0;
243 transport_punchin_line->property_x2() = 0.0;
244 transport_punchin_line->property_y2() = phys_height;
245 transport_punchin_line->hide ();
247 transport_punchout_line = new ArdourCanvas::SimpleLine (*_master_group);
248 transport_punchout_line->property_x1() = 0.0;
249 transport_punchout_line->property_y1() = 0.0;
250 transport_punchout_line->property_x2() = 0.0;
251 transport_punchout_line->property_y2() = phys_height;
252 transport_punchout_line->hide();
254 // used to show zoom mode active zooming
255 zoom_rect = new ArdourCanvas::SimpleRect (*_master_group, 0.0, 0.0, 0.0, 0.0);
256 zoom_rect->property_outline_pixels() = 1;
259 zoom_rect->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
261 // used as rubberband rect
262 rubberband_rect = new ArdourCanvas::SimpleRect (*_trackview_group, 0.0, 0.0, 0.0, 0.0);
264 rubberband_rect->property_outline_pixels() = 1;
265 rubberband_rect->hide();
267 tempo_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
268 meter_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
269 marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
270 cd_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_cd_marker_bar_event), cd_marker_bar));
271 range_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
272 transport_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
274 playhead_cursor = new EditorCursor (*this, &Editor::canvas_playhead_cursor_event);
277 logo_item->lower_to_bottom ();
279 /* need to handle 4 specific types of events as catch-alls */
281 track_canvas->signal_scroll_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_scroll_event));
282 track_canvas->signal_motion_notify_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_motion_notify_event));
283 track_canvas->signal_button_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_press_event));
284 track_canvas->signal_button_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_release_event));
285 track_canvas->signal_drag_motion().connect (sigc::mem_fun (*this, &Editor::track_canvas_drag_motion));
286 track_canvas->signal_key_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_key_press));
287 track_canvas->signal_key_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_key_release));
289 track_canvas->set_name ("EditorMainCanvas");
290 track_canvas->add_events (Gdk::POINTER_MOTION_HINT_MASK | Gdk::SCROLL_MASK | Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
291 track_canvas->signal_leave_notify_event().connect (sigc::mem_fun(*this, &Editor::left_track_canvas));
292 track_canvas->signal_enter_notify_event().connect (sigc::mem_fun(*this, &Editor::entered_track_canvas));
293 track_canvas->set_flags (CAN_FOCUS);
295 /* set up drag-n-drop */
297 vector<TargetEntry> target_table;
299 // Drag-N-Drop from the region list can generate this target
300 target_table.push_back (TargetEntry ("regions"));
302 target_table.push_back (TargetEntry ("text/plain"));
303 target_table.push_back (TargetEntry ("text/uri-list"));
304 target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
306 track_canvas->drag_dest_set (target_table);
307 track_canvas->signal_drag_data_received().connect (sigc::mem_fun(*this, &Editor::track_canvas_drag_data_received));
309 track_canvas->signal_size_allocate().connect (sigc::mem_fun(*this, &Editor::track_canvas_allocate));
311 ColorsChanged.connect (sigc::mem_fun (*this, &Editor::color_handler));
317 Editor::track_canvas_allocate (Gtk::Allocation alloc)
319 canvas_allocation = alloc;
320 track_canvas_size_allocated ();
324 Editor::track_canvas_size_allocated ()
326 bool height_changed = _canvas_height != canvas_allocation.get_height();
328 _canvas_width = canvas_allocation.get_width();
329 _canvas_height = canvas_allocation.get_height();
332 TrackViewList::iterator i;
334 for (i = track_views.begin(); i != track_views.end(); ++i) {
335 (*i)->clip_to_viewport ();
339 if (height_changed) {
340 if (playhead_cursor) {
341 playhead_cursor->set_length (_canvas_height);
344 for (MarkerSelection::iterator x = selection->markers.begin(); x != selection->markers.end(); ++x) {
345 (*x)->set_line_vpos (0, _canvas_height);
348 vertical_adjustment.set_page_size (_canvas_height);
349 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
350 if ((vertical_adjustment.get_value() + _canvas_height) >= vertical_adjustment.get_upper()) {
352 We're increasing the size of the canvas while the bottom is visible.
353 We scroll down to keep in step with the controls layout.
355 vertical_adjustment.set_value (full_canvas_height - _canvas_height);
359 update_fixed_rulers();
360 redisplay_tempo (false);
361 _summary->set_overlays_dirty ();
363 Resized (); /* EMIT_SIGNAL */
369 Editor::controls_layout_size_request (Requisition* req)
372 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
373 pos += (*i)->effective_height ();
376 gint height = min ((gint) pos, (gint) (physical_screen_height(get_window()) - 600));
378 bool changed = false;
380 gint w = edit_controls_vbox.get_width();
381 if (_group_tabs->is_mapped()) {
382 w += _group_tabs->get_width ();
385 gint width = max (w, controls_layout.get_width());
387 /* don't get too big. the fudge factors here are just guesses */
389 width = min (width, (gint) (physical_screen_width(get_window()) - 300));
391 if ((req->width != width) || (req->height != height)) {
393 controls_layout_size_request_connection.disconnect ();
396 if (req->width != width) {
397 gint vbox_width = edit_controls_vbox.get_width();
398 if (_group_tabs->is_mapped()) {
399 vbox_width += _group_tabs->get_width();
403 /* this one is important: it determines how big the layout thinks it really is, as
404 opposed to what it displays on the screen
406 controls_layout.property_width () = vbox_width;
407 controls_layout.property_width_request () = vbox_width;
409 // time_button_event_box.property_width_request () = vbox_width;
410 // zoom_box.property_width_request () = vbox_width;
413 if (req->height != height) {
414 req->height = height;
415 controls_layout.property_height () = (guint) floor (pos);
416 controls_layout.property_height_request () = height;
420 controls_layout_size_request_connection = controls_layout.signal_size_request().connect (sigc::mem_fun (*this, &Editor::controls_layout_size_request));
422 //cerr << "sizes = " << req->width << " " << edit_controls_vbox.get_width() << " " << controls_layout.get_width() << " " << zoom_box.get_width() << " " << time_button_frame.get_width() << endl;//DEBUG
426 Editor::track_canvas_map_handler (GdkEventAny* /*ev*/)
428 if (current_canvas_cursor) {
429 set_canvas_cursor (current_canvas_cursor);
434 /** This is called when something is dropped onto the track canvas */
436 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
438 const SelectionData& data,
439 guint info, guint time)
441 if (data.get_target() == "regions") {
442 drop_regions (context, x, y, data, info, time);
444 drop_paths (context, x, y, data, info, time);
449 Editor::idle_drop_paths (vector<string> paths, framepos_t frame, double ypos)
451 drop_paths_part_two (paths, frame, ypos);
456 Editor::drop_paths_part_two (const vector<string>& paths, framepos_t frame, double ypos)
458 RouteTimeAxisView* tv;
460 std::pair<TimeAxisView*, int> const tvp = trackview_by_y_position (ypos);
461 if (tvp.first == 0) {
463 /* drop onto canvas background: create new tracks */
467 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
468 do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsTrack, SrcBest, frame);
470 do_embed (paths, Editing::ImportDistinctFiles, ImportAsTrack, frame);
473 } else if ((tv = dynamic_cast<RouteTimeAxisView*> (tvp.first)) != 0) {
475 /* check that its an audio track, not a bus */
478 /* select the track, then embed/import */
481 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
482 do_import (paths, Editing::ImportSerializeFiles, Editing::ImportToTrack, SrcBest, frame);
484 do_embed (paths, Editing::ImportSerializeFiles, ImportToTrack, frame);
491 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
493 const SelectionData& data,
494 guint info, guint time)
496 vector<string> paths;
503 if (convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
505 /* D-n-D coordinates are window-relative, so convert to "world" coordinates
508 track_canvas->window_to_world (x, y, wx, wy);
510 ev.type = GDK_BUTTON_RELEASE;
514 frame = event_frame (&ev, 0, &cy);
519 /* We are not allowed to call recursive main event loops from within
520 the main event loop with GTK/Quartz. Since import/embed wants
521 to push up a progress dialog, defer all this till we go idle.
523 Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (*this, &Editor::idle_drop_paths), paths, frame, cy));
525 drop_paths_part_two (paths, frame, cy);
529 context->drag_finish (true, false, time);
533 Editor::drop_regions (const RefPtr<Gdk::DragContext>& /*context*/,
534 int /*x*/, int /*y*/,
535 const SelectionData& /*data*/,
536 guint /*info*/, guint /*time*/)
538 _drags->end_grab (0);
542 Editor::maybe_autoscroll (bool allow_horiz, bool allow_vert)
544 framepos_t rightmost_frame = leftmost_frame + current_page_frames();
545 bool startit = false;
547 double ty = _drags->current_pointer_y() - get_trackview_group_vertical_offset ();
551 if (ty < canvas_timebars_vsize && allow_vert) {
554 } else if (ty > _canvas_height && allow_vert) {
559 if (_drags->current_pointer_frame() > rightmost_frame && allow_horiz) {
560 if (rightmost_frame < max_framepos) {
564 } else if (_drags->current_pointer_frame() < leftmost_frame && allow_horiz) {
565 if (leftmost_frame > 0) {
571 if (autoscroll_active && ((autoscroll_x != last_autoscroll_x) || (autoscroll_y != last_autoscroll_y) || (autoscroll_x == 0 && autoscroll_y == 0))) {
572 stop_canvas_autoscroll ();
575 if (startit && autoscroll_timeout_tag < 0) {
576 start_canvas_autoscroll (autoscroll_x, autoscroll_y);
579 last_autoscroll_x = autoscroll_x;
580 last_autoscroll_y = autoscroll_y;
584 Editor::_autoscroll_canvas (void *arg)
586 return ((Editor *) arg)->autoscroll_canvas ();
590 Editor::autoscroll_canvas ()
592 framepos_t new_frame;
593 framepos_t limit = max_framepos - current_page_frames();
598 if (autoscroll_x_distance != 0) {
600 if (autoscroll_x > 0) {
601 autoscroll_x_distance = (_drags->current_pointer_frame() - (leftmost_frame + current_page_frames())) / 3;
602 } else if (autoscroll_x < 0) {
603 autoscroll_x_distance = (leftmost_frame - _drags->current_pointer_frame()) / 3;
608 if (autoscroll_y_distance != 0) {
609 if (autoscroll_y > 0) {
610 autoscroll_y_distance = (_drags->current_pointer_y() - (get_trackview_group_vertical_offset() + _canvas_height)) / 3;
611 } else if (autoscroll_y < 0) {
613 autoscroll_y_distance = (vertical_adjustment.get_value () - _drags->current_pointer_y()) / 3;
617 if (autoscroll_x < 0) {
618 if (leftmost_frame < autoscroll_x_distance) {
621 new_frame = leftmost_frame - autoscroll_x_distance;
623 } else if (autoscroll_x > 0) {
624 if (leftmost_frame > limit - autoscroll_x_distance) {
627 new_frame = leftmost_frame + autoscroll_x_distance;
630 new_frame = leftmost_frame;
633 double vertical_pos = vertical_adjustment.get_value();
635 if (autoscroll_y < 0) {
637 if (vertical_pos < autoscroll_y_distance) {
640 new_pixel = vertical_pos - autoscroll_y_distance;
643 target_pixel = _drags->current_pointer_y() - autoscroll_y_distance;
644 target_pixel = max (target_pixel, 0.0);
646 } else if (autoscroll_y > 0) {
648 double top_of_bottom_of_canvas = full_canvas_height - _canvas_height;
650 if (vertical_pos > full_canvas_height - autoscroll_y_distance) {
651 new_pixel = full_canvas_height;
653 new_pixel = vertical_pos + autoscroll_y_distance;
656 new_pixel = min (top_of_bottom_of_canvas, new_pixel);
658 target_pixel = _drags->current_pointer_y() + autoscroll_y_distance;
660 /* don't move to the full canvas height because the item will be invisible
661 (its top edge will line up with the bottom of the visible canvas.
664 target_pixel = min (target_pixel, full_canvas_height - 10);
667 target_pixel = _drags->current_pointer_y();
668 new_pixel = vertical_pos;
671 if ((new_frame == 0 || new_frame == limit) && (new_pixel == 0 || new_pixel == DBL_MAX)) {
676 if (new_frame != leftmost_frame) {
677 reset_x_origin (new_frame);
680 vertical_adjustment.set_value (new_pixel);
684 Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->track_canvas->get_window();
686 Gdk::ModifierType mask;
687 canvas_window->get_pointer (x, y, mask);
688 ev.type = GDK_MOTION_NOTIFY;
689 ev.state = Gdk::BUTTON1_MASK;
693 motion_handler (0, (GdkEvent*) &ev, true);
697 if (autoscroll_cnt == 1) {
699 /* connect the timeout so that we get called repeatedly */
701 autoscroll_timeout_tag = g_idle_add ( _autoscroll_canvas, this);
710 Editor::start_canvas_autoscroll (int dx, int dy)
712 if (!_session || autoscroll_active) {
716 stop_canvas_autoscroll ();
718 autoscroll_active = true;
721 autoscroll_x_distance = (framepos_t) floor (current_page_frames()/50.0);
722 autoscroll_y_distance = fabs (dy * 5); /* pixels */
725 /* do it right now, which will start the repeated callbacks */
727 autoscroll_canvas ();
731 Editor::stop_canvas_autoscroll ()
733 if (autoscroll_timeout_tag >= 0) {
734 g_source_remove (autoscroll_timeout_tag);
735 autoscroll_timeout_tag = -1;
738 autoscroll_active = false;
742 Editor::left_track_canvas (GdkEventCrossing */*ev*/)
745 set_entered_track (0);
746 set_entered_regionview (0);
747 reset_canvas_action_sensitivity (false);
752 Editor::entered_track_canvas (GdkEventCrossing */*ev*/)
754 reset_canvas_action_sensitivity (true);
759 Editor::tie_vertical_scrolling ()
761 scroll_canvas_vertically ();
763 /* this will do an immediate redraw */
765 controls_layout.get_vadjustment()->set_value (vertical_adjustment.get_value());
767 if (pending_visual_change.idle_handler_id < 0) {
768 _summary->set_overlays_dirty ();
773 Editor::set_horizontal_position (double p)
775 /* horizontal scrolling only */
776 double x1, y1, x2, y2, x_delta;
777 _master_group->get_bounds (x1, y1, x2, y2);
779 x_delta = - (x1 + p);
781 _master_group->move (x_delta, 0);
782 timebar_group->move (x_delta, 0);
783 time_line_group->move (x_delta, 0);
784 cursor_group->move (x_delta, 0);
786 leftmost_frame = (framepos_t) floor (p * frames_per_unit);
788 update_fixed_rulers ();
789 redisplay_tempo (true);
791 if (pending_visual_change.idle_handler_id < 0) {
792 _summary->set_overlays_dirty ();
796 if (!autoscroll_active && !_stationary_playhead) {
797 /* force rulers and canvas to move in lock step */
798 while (gtk_events_pending ()) {
799 gtk_main_iteration ();
807 Editor::scroll_canvas_vertically ()
809 /* vertical scrolling only */
813 y_delta = last_trackview_group_vertical_offset - get_trackview_group_vertical_offset ();
814 _trackview_group->move (0, y_delta);
815 _background_group->move (0, y_delta);
817 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
818 (*i)->clip_to_viewport ();
820 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
821 /* required to keep the controls_layout in lock step with the canvas group */
822 update_canvas_now ();
826 Editor::color_handler()
828 playhead_cursor->canvas_item.property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_PlayHead.get();
829 verbose_canvas_cursor->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_VerboseCanvasCursor.get();
831 meter_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MeterBar.get();
832 meter_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
834 tempo_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TempoBar.get();
835 tempo_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
837 marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBar.get();
838 marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
840 cd_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_CDMarkerBar.get();
841 cd_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
843 range_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeMarkerBar.get();
844 range_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
846 transport_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportMarkerBar.get();
847 transport_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
849 cd_marker_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
850 cd_marker_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
852 range_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
853 range_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
855 transport_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
856 transport_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
858 transport_loop_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
859 transport_loop_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
861 transport_punch_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
862 transport_punch_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
864 transport_punchin_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
865 transport_punchout_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
867 zoom_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
868 zoom_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
870 rubberband_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
871 rubberband_rect->property_fill_color_rgba() = (guint32) ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
873 location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
874 location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
875 location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
876 location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
877 location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
879 refresh_location_display ();
881 redisplay_tempo (true);
884 _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
889 Editor::flush_canvas ()
892 update_canvas_now ();
893 // gdk_window_process_updates (GTK_LAYOUT(track_canvas->gobj())->bin_window, true);
898 Editor::update_canvas_now ()
900 /* GnomeCanvas has a bug whereby if its idle handler is not scheduled between
901 two calls to update_now, an assert will trip. This wrapper works around
902 that problem by only calling update_now if the assert will not trip.
904 I think the GC bug is due to the fact that its code will reset need_update
905 and need_redraw to FALSE without checking to see if an idle handler is scheduled.
906 If one is scheduled, GC should probably remove it.
909 GnomeCanvas* c = track_canvas->gobj ();
910 if (c->need_update || c->need_redraw) {
911 track_canvas->update_now ();
916 Editor::horizontal_position () const
918 return frame_to_unit (leftmost_frame);
921 Editor::set_canvas_cursor (Gdk::Cursor* cursor, bool save)
924 current_canvas_cursor = cursor;
928 track_canvas->get_window()->set_cursor (*cursor);
933 Editor::track_canvas_key_press (GdkEventKey* event)
935 /* XXX: event does not report the modifier key pressed down, AFAICS, so use the Keyboard object instead */
936 if (mouse_mode == Editing::MouseZoom && Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
937 set_canvas_cursor (zoom_out_cursor);
944 Editor::track_canvas_key_release (GdkEventKey* event)
946 if (mouse_mode == Editing::MouseZoom && !Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
947 set_canvas_cursor (zoom_in_cursor);