Set mixbufs count in the case of a panner being used, as
[ardour2.git] / gtk2_ardour / editor_canvas.cc
blobf761cfd42b9d927b07693d5a6d49131e75065bc9
1 /*
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 #ifdef WAF_BUILD
21 #include "gtk2ardour-config.h"
22 #endif
24 #include <libgnomecanvasmm/init.h>
25 #include <libgnomecanvasmm/pixbuf.h>
26 #include <jack/types.h>
27 #include <gtkmm2ext/utils.h>
29 #include "ardour/profile.h"
30 #include "ardour/rc_configuration.h"
32 #include "ardour_ui.h"
33 #include "editor.h"
34 #include "global_signals.h"
35 #include "waveview.h"
36 #include "simplerect.h"
37 #include "simpleline.h"
38 #include "imageframe.h"
39 #include "waveview_p.h"
40 #include "simplerect_p.h"
41 #include "simpleline_p.h"
42 #include "imageframe_p.h"
43 #include "canvas_impl.h"
44 #include "canvas-noevent-text.h"
45 #include "editing.h"
46 #include "rgb_macros.h"
47 #include "utils.h"
48 #include "audio_time_axis.h"
49 #include "editor_drag.h"
50 #include "region_view.h"
51 #include "editor_group_tabs.h"
52 #include "editor_routes.h"
53 #include "editor_summary.h"
54 #include "keyboard.h"
55 #include "editor_cursors.h"
56 #include "mouse_cursors.h"
57 #include "verbose_cursor.h"
59 #include "i18n.h"
61 using namespace std;
62 using namespace ARDOUR;
63 using namespace PBD;
64 using namespace Gtk;
65 using namespace Glib;
66 using namespace Gtkmm2ext;
67 using namespace Editing;
69 /* XXX this is a hack. it ought to be the maximum value of an framepos_t */
71 const double max_canvas_coordinate = (double) JACK_MAX_FRAMES;
73 extern "C"
76 GType gnome_canvas_simpleline_get_type(void);
77 GType gnome_canvas_simplerect_get_type(void);
78 GType gnome_canvas_waveview_get_type(void);
79 GType gnome_canvas_imageframe_get_type(void);
83 static void ardour_canvas_type_init()
85 // Map gtypes to gtkmm wrapper-creation functions:
87 Glib::wrap_register(gnome_canvas_simpleline_get_type(), &Gnome::Canvas::SimpleLine_Class::wrap_new);
88 Glib::wrap_register(gnome_canvas_simplerect_get_type(), &Gnome::Canvas::SimpleRect_Class::wrap_new);
89 Glib::wrap_register(gnome_canvas_waveview_get_type(), &Gnome::Canvas::WaveView_Class::wrap_new);
90 // Glib::wrap_register(gnome_canvas_imageframe_get_type(), &Gnome::Canvas::ImageFrame_Class::wrap_new);
92 // Register the gtkmm gtypes:
94 (void) Gnome::Canvas::WaveView::get_type();
95 (void) Gnome::Canvas::SimpleLine::get_type();
96 (void) Gnome::Canvas::SimpleRect::get_type();
97 (void) Gnome::Canvas::ImageFrame::get_type();
100 void
101 Editor::initialize_canvas ()
103 if (getenv ("ARDOUR_NON_AA_CANVAS")) {
104 track_canvas = new ArdourCanvas::Canvas ();
105 } else {
106 track_canvas = new ArdourCanvas::CanvasAA ();
109 ArdourCanvas::init ();
110 ardour_canvas_type_init ();
112 /* don't try to center the canvas */
114 track_canvas->set_center_scroll_region (false);
115 track_canvas->set_dither (Gdk::RGB_DITHER_NONE);
117 gint phys_width = physical_screen_width (Glib::RefPtr<Gdk::Window>());
118 gint phys_height = physical_screen_height (Glib::RefPtr<Gdk::Window>());
120 _verbose_cursor = new VerboseCursor (this);
122 /* on the bottom, an image */
124 if (Profile->get_sae()) {
125 Image img (::get_icon (X_("saelogo")));
126 logo_item = new ArdourCanvas::Pixbuf (*track_canvas->root(), 0.0, 0.0, img.get_pixbuf());
127 // logo_item->property_height_in_pixels() = true;
128 // logo_item->property_width_in_pixels() = true;
129 // logo_item->property_height_set() = true;
130 // logo_item->property_width_set() = true;
131 logo_item->show ();
134 /* a group to hold time (measure) lines */
135 time_line_group = new ArdourCanvas::Group (*track_canvas->root());
137 #ifdef GTKOSX
138 /*XXX please don't laugh. this actually improves canvas performance on osx */
139 bogus_background_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, max_canvas_coordinate/3, phys_height);
140 bogus_background_rect->property_outline_pixels() = 0;
141 #endif
142 transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
143 transport_loop_range_rect->property_outline_pixels() = 1;
144 transport_loop_range_rect->hide();
146 transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
147 transport_punch_range_rect->property_outline_pixels() = 0;
148 transport_punch_range_rect->hide();
150 _background_group = new ArdourCanvas::Group (*track_canvas->root());
151 _master_group = new ArdourCanvas::Group (*track_canvas->root());
153 _trackview_group = new ArdourCanvas::Group (*_master_group);
154 _region_motion_group = new ArdourCanvas::Group (*_trackview_group);
156 meter_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
157 meter_bar = new ArdourCanvas::SimpleRect (*meter_bar_group, 0.0, 0.0, phys_width, timebar_height - 1);
158 meter_bar->property_outline_pixels() = 1;
159 meter_bar->property_outline_what() = 0x8;
161 tempo_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
162 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
163 tempo_bar->property_outline_pixels() = 1;
164 tempo_bar->property_outline_what() = 0x8;
166 range_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
167 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
168 range_marker_bar->property_outline_pixels() = 1;
169 range_marker_bar->property_outline_what() = 0x8;
171 transport_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
172 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
173 transport_marker_bar->property_outline_pixels() = 1;
174 transport_marker_bar->property_outline_what() = 0x8;
176 marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
177 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
178 marker_bar->property_outline_pixels() = 1;
179 marker_bar->property_outline_what() = 0x8;
181 cd_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
182 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
183 cd_marker_bar->property_outline_pixels() = 1;
184 cd_marker_bar->property_outline_what() = 0x8;
186 timebar_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
187 cursor_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
189 meter_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 5.0);
190 tempo_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 4.0);
191 range_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 3.0);
192 transport_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 2.0);
193 marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height);
194 cd_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, 0.0);
196 cd_marker_bar_drag_rect = new ArdourCanvas::SimpleRect (*cd_marker_group, 0.0, 0.0, 100, timebar_height);
197 cd_marker_bar_drag_rect->property_outline_pixels() = 0;
198 cd_marker_bar_drag_rect->hide ();
200 range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, 100, timebar_height);
201 range_bar_drag_rect->property_outline_pixels() = 0;
202 range_bar_drag_rect->hide ();
204 transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, 100, timebar_height);
205 transport_bar_drag_rect->property_outline_pixels() = 0;
206 transport_bar_drag_rect->hide ();
208 transport_punchin_line = new ArdourCanvas::SimpleLine (*_master_group);
209 transport_punchin_line->property_x1() = 0.0;
210 transport_punchin_line->property_y1() = 0.0;
211 transport_punchin_line->property_x2() = 0.0;
212 transport_punchin_line->property_y2() = phys_height;
213 transport_punchin_line->hide ();
215 transport_punchout_line = new ArdourCanvas::SimpleLine (*_master_group);
216 transport_punchout_line->property_x1() = 0.0;
217 transport_punchout_line->property_y1() = 0.0;
218 transport_punchout_line->property_x2() = 0.0;
219 transport_punchout_line->property_y2() = phys_height;
220 transport_punchout_line->hide();
222 // used to show zoom mode active zooming
223 zoom_rect = new ArdourCanvas::SimpleRect (*_master_group, 0.0, 0.0, 0.0, 0.0);
224 zoom_rect->property_outline_pixels() = 1;
225 zoom_rect->hide();
227 zoom_rect->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
229 // used as rubberband rect
230 rubberband_rect = new ArdourCanvas::SimpleRect (*_trackview_group, 0.0, 0.0, 0.0, 0.0);
232 rubberband_rect->property_outline_pixels() = 1;
233 rubberband_rect->hide();
235 tempo_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
236 meter_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
237 marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
238 cd_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_cd_marker_bar_event), cd_marker_bar));
239 range_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
240 transport_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
242 playhead_cursor = new EditorCursor (*this, &Editor::canvas_playhead_cursor_event);
244 if (logo_item) {
245 logo_item->lower_to_bottom ();
247 /* need to handle 4 specific types of events as catch-alls */
249 track_canvas->signal_scroll_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_scroll_event));
250 track_canvas->signal_motion_notify_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_motion_notify_event));
251 track_canvas->signal_button_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_press_event));
252 track_canvas->signal_button_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_release_event));
253 track_canvas->signal_drag_motion().connect (sigc::mem_fun (*this, &Editor::track_canvas_drag_motion));
254 track_canvas->signal_key_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_key_press));
255 track_canvas->signal_key_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_key_release));
257 track_canvas->set_name ("EditorMainCanvas");
258 track_canvas->add_events (Gdk::POINTER_MOTION_HINT_MASK | Gdk::SCROLL_MASK | Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
259 track_canvas->signal_leave_notify_event().connect (sigc::mem_fun(*this, &Editor::left_track_canvas));
260 track_canvas->signal_enter_notify_event().connect (sigc::mem_fun(*this, &Editor::entered_track_canvas));
261 track_canvas->set_flags (CAN_FOCUS);
263 /* set up drag-n-drop */
265 vector<TargetEntry> target_table;
267 // Drag-N-Drop from the region list can generate this target
268 target_table.push_back (TargetEntry ("regions"));
270 target_table.push_back (TargetEntry ("text/plain"));
271 target_table.push_back (TargetEntry ("text/uri-list"));
272 target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
274 track_canvas->drag_dest_set (target_table);
275 track_canvas->signal_drag_data_received().connect (sigc::mem_fun(*this, &Editor::track_canvas_drag_data_received));
277 track_canvas->signal_size_allocate().connect (sigc::mem_fun(*this, &Editor::track_canvas_allocate));
279 ColorsChanged.connect (sigc::mem_fun (*this, &Editor::color_handler));
280 color_handler();
284 void
285 Editor::track_canvas_allocate (Gtk::Allocation alloc)
287 canvas_allocation = alloc;
288 track_canvas_size_allocated ();
291 bool
292 Editor::track_canvas_size_allocated ()
294 bool height_changed = _canvas_height != canvas_allocation.get_height();
296 _canvas_width = canvas_allocation.get_width();
297 _canvas_height = canvas_allocation.get_height();
299 if (_session) {
300 TrackViewList::iterator i;
302 for (i = track_views.begin(); i != track_views.end(); ++i) {
303 (*i)->clip_to_viewport ();
307 if (height_changed) {
308 if (playhead_cursor) {
309 playhead_cursor->set_length (_canvas_height);
312 for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
313 i->second->canvas_height_set (_canvas_height);
316 vertical_adjustment.set_page_size (_canvas_height);
317 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
318 if ((vertical_adjustment.get_value() + _canvas_height) >= vertical_adjustment.get_upper()) {
320 We're increasing the size of the canvas while the bottom is visible.
321 We scroll down to keep in step with the controls layout.
323 vertical_adjustment.set_value (full_canvas_height - _canvas_height);
327 update_fixed_rulers();
328 redisplay_tempo (false);
329 _summary->set_overlays_dirty ();
331 return false;
334 void
335 Editor::reset_controls_layout_width ()
337 GtkRequisition req;
338 gint w;
340 edit_controls_vbox.size_request (req);
341 w = req.width;
343 if (_group_tabs->is_mapped()) {
344 _group_tabs->size_request (req);
345 w += req.width;
348 /* the controls layout has no horizontal scrolling, its visible
349 width is always equal to the total width of its contents.
352 controls_layout.property_width() = w;
353 controls_layout.property_width_request() = w;
356 void
357 Editor::reset_controls_layout_height (int32_t h)
359 /* set the height of the scrollable area (i.e. the sum of all contained widgets)
362 controls_layout.property_height() = h;
364 /* size request is set elsewhere, see ::track_canvas_allocate() */
367 bool
368 Editor::track_canvas_map_handler (GdkEventAny* /*ev*/)
370 if (current_canvas_cursor) {
371 set_canvas_cursor (current_canvas_cursor);
373 return false;
376 /** This is called when something is dropped onto the track canvas */
377 void
378 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
379 int x, int y,
380 const SelectionData& data,
381 guint info, guint time)
383 if (data.get_target() == "regions") {
384 drop_regions (context, x, y, data, info, time);
385 } else {
386 drop_paths (context, x, y, data, info, time);
390 bool
391 Editor::idle_drop_paths (vector<string> paths, framepos_t frame, double ypos)
393 drop_paths_part_two (paths, frame, ypos);
394 return false;
397 void
398 Editor::drop_paths_part_two (const vector<string>& paths, framepos_t frame, double ypos)
400 RouteTimeAxisView* tv;
402 std::pair<TimeAxisView*, int> const tvp = trackview_by_y_position (ypos);
403 if (tvp.first == 0) {
405 /* drop onto canvas background: create new tracks */
407 frame = 0;
409 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
410 do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsTrack, SrcBest, frame);
411 } else {
412 do_embed (paths, Editing::ImportDistinctFiles, ImportAsTrack, frame);
415 } else if ((tv = dynamic_cast<RouteTimeAxisView*> (tvp.first)) != 0) {
417 /* check that its an audio track, not a bus */
419 if (tv->track()) {
420 /* select the track, then embed/import */
421 selection->set (tv);
423 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
424 do_import (paths, Editing::ImportSerializeFiles, Editing::ImportToTrack, SrcBest, frame);
425 } else {
426 do_embed (paths, Editing::ImportSerializeFiles, ImportToTrack, frame);
432 void
433 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
434 int x, int y,
435 const SelectionData& data,
436 guint info, guint time)
438 vector<string> paths;
439 GdkEvent ev;
440 framepos_t frame;
441 double wx;
442 double wy;
443 double cy;
445 if (convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
447 /* D-n-D coordinates are window-relative, so convert to "world" coordinates
450 track_canvas->window_to_world (x, y, wx, wy);
452 ev.type = GDK_BUTTON_RELEASE;
453 ev.button.x = wx;
454 ev.button.y = wy;
456 frame = event_frame (&ev, 0, &cy);
458 snap_to (frame);
460 #ifdef GTKOSX
461 /* We are not allowed to call recursive main event loops from within
462 the main event loop with GTK/Quartz. Since import/embed wants
463 to push up a progress dialog, defer all this till we go idle.
465 Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (*this, &Editor::idle_drop_paths), paths, frame, cy));
466 #else
467 drop_paths_part_two (paths, frame, cy);
468 #endif
471 context->drag_finish (true, false, time);
474 void
475 Editor::drop_regions (const RefPtr<Gdk::DragContext>& /*context*/,
476 int /*x*/, int /*y*/,
477 const SelectionData& /*data*/,
478 guint /*info*/, guint /*time*/)
480 _drags->end_grab (0);
483 void
484 Editor::maybe_autoscroll (bool allow_horiz, bool allow_vert)
486 framepos_t rightmost_frame = leftmost_frame + current_page_frames();
487 bool startit = false;
489 double const ty = _drags->current_pointer_y() - get_trackview_group_vertical_offset ();
491 autoscroll_y = 0;
492 autoscroll_x = 0;
493 if (ty < canvas_timebars_vsize && allow_vert) {
494 autoscroll_y = -1;
495 startit = true;
496 } else if (ty > _canvas_height && allow_vert) {
497 autoscroll_y = 1;
498 startit = true;
501 if (_drags->current_pointer_frame() > rightmost_frame && allow_horiz) {
502 if (rightmost_frame < max_framepos) {
503 autoscroll_x = 1;
504 startit = true;
506 } else if (_drags->current_pointer_frame() < leftmost_frame && allow_horiz) {
507 if (leftmost_frame > 0) {
508 autoscroll_x = -1;
509 startit = true;
513 if (autoscroll_active && ((autoscroll_x != last_autoscroll_x) || (autoscroll_y != last_autoscroll_y) || (autoscroll_x == 0 && autoscroll_y == 0))) {
514 stop_canvas_autoscroll ();
517 if (startit && autoscroll_timeout_tag < 0) {
518 start_canvas_autoscroll (autoscroll_x, autoscroll_y);
521 last_autoscroll_x = autoscroll_x;
522 last_autoscroll_y = autoscroll_y;
525 gint
526 Editor::_autoscroll_canvas (void *arg)
528 return ((Editor *) arg)->autoscroll_canvas ();
531 bool
532 Editor::autoscroll_canvas ()
534 framepos_t new_frame;
535 framepos_t limit = max_framepos - current_page_frames();
536 GdkEventMotion ev;
537 double new_pixel;
538 double target_pixel;
540 if (autoscroll_x_distance != 0) {
542 if (autoscroll_x > 0) {
543 autoscroll_x_distance = (_drags->current_pointer_frame() - (leftmost_frame + current_page_frames())) / 3;
544 } else if (autoscroll_x < 0) {
545 autoscroll_x_distance = (leftmost_frame - _drags->current_pointer_frame()) / 3;
550 if (autoscroll_y_distance != 0) {
551 if (autoscroll_y > 0) {
552 autoscroll_y_distance = (_drags->current_pointer_y() - (get_trackview_group_vertical_offset() + _canvas_height)) / 3;
553 } else if (autoscroll_y < 0) {
555 autoscroll_y_distance = (vertical_adjustment.get_value () - _drags->current_pointer_y()) / 3;
559 if (autoscroll_x < 0) {
560 if (leftmost_frame < autoscroll_x_distance) {
561 new_frame = 0;
562 } else {
563 new_frame = leftmost_frame - autoscroll_x_distance;
565 } else if (autoscroll_x > 0) {
566 if (leftmost_frame > limit - autoscroll_x_distance) {
567 new_frame = limit;
568 } else {
569 new_frame = leftmost_frame + autoscroll_x_distance;
571 } else {
572 new_frame = leftmost_frame;
575 double vertical_pos = vertical_adjustment.get_value();
577 if (autoscroll_y < 0) {
579 if (vertical_pos < autoscroll_y_distance) {
580 new_pixel = 0;
581 } else {
582 new_pixel = vertical_pos - autoscroll_y_distance;
585 target_pixel = _drags->current_pointer_y() - autoscroll_y_distance;
586 target_pixel = max (target_pixel, 0.0);
588 } else if (autoscroll_y > 0) {
590 double top_of_bottom_of_canvas = full_canvas_height - _canvas_height;
592 if (vertical_pos > full_canvas_height - autoscroll_y_distance) {
593 new_pixel = full_canvas_height;
594 } else {
595 new_pixel = vertical_pos + autoscroll_y_distance;
598 new_pixel = min (top_of_bottom_of_canvas, new_pixel);
600 target_pixel = _drags->current_pointer_y() + autoscroll_y_distance;
602 /* don't move to the full canvas height because the item will be invisible
603 (its top edge will line up with the bottom of the visible canvas.
606 target_pixel = min (target_pixel, full_canvas_height - 10);
608 } else {
609 target_pixel = _drags->current_pointer_y();
610 new_pixel = vertical_pos;
613 if ((new_frame == 0 || new_frame == limit) && (new_pixel == 0 || new_pixel == DBL_MAX)) {
614 /* we are done */
615 return false;
618 if (new_frame != leftmost_frame) {
619 reset_x_origin (new_frame);
622 vertical_adjustment.set_value (new_pixel);
624 /* fake an event. */
626 Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->track_canvas->get_window();
627 gint x, y;
628 Gdk::ModifierType mask;
629 canvas_window->get_pointer (x, y, mask);
630 ev.type = GDK_MOTION_NOTIFY;
631 ev.state = Gdk::BUTTON1_MASK;
632 ev.x = x;
633 ev.y = y;
635 motion_handler (0, (GdkEvent*) &ev, true);
637 autoscroll_cnt++;
639 if (autoscroll_cnt == 1) {
641 /* connect the timeout so that we get called repeatedly */
643 autoscroll_timeout_tag = g_idle_add ( _autoscroll_canvas, this);
644 return false;
648 return true;
651 void
652 Editor::start_canvas_autoscroll (int dx, int dy)
654 if (!_session || autoscroll_active) {
655 return;
658 stop_canvas_autoscroll ();
660 autoscroll_active = true;
661 autoscroll_x = dx;
662 autoscroll_y = dy;
663 autoscroll_x_distance = (framepos_t) floor (current_page_frames()/50.0);
664 autoscroll_y_distance = fabs (dy * 5); /* pixels */
665 autoscroll_cnt = 0;
667 /* do it right now, which will start the repeated callbacks */
669 autoscroll_canvas ();
672 void
673 Editor::stop_canvas_autoscroll ()
675 if (autoscroll_timeout_tag >= 0) {
676 g_source_remove (autoscroll_timeout_tag);
677 autoscroll_timeout_tag = -1;
680 autoscroll_active = false;
683 bool
684 Editor::left_track_canvas (GdkEventCrossing */*ev*/)
686 DropDownKeys ();
687 set_entered_track (0);
688 set_entered_regionview (0);
689 reset_canvas_action_sensitivity (false);
690 return false;
693 bool
694 Editor::entered_track_canvas (GdkEventCrossing */*ev*/)
696 reset_canvas_action_sensitivity (true);
697 return FALSE;
700 void
701 Editor::tie_vertical_scrolling ()
703 scroll_canvas_vertically ();
705 /* this will do an immediate redraw */
707 controls_layout.get_vadjustment()->set_value (vertical_adjustment.get_value());
709 if (pending_visual_change.idle_handler_id < 0) {
710 _summary->set_overlays_dirty ();
714 void
715 Editor::set_horizontal_position (double p)
717 /* horizontal scrolling only */
718 double x1, y1, x2, y2, x_delta;
719 _master_group->get_bounds (x1, y1, x2, y2);
721 x_delta = - (x1 + p);
723 _master_group->move (x_delta, 0);
724 timebar_group->move (x_delta, 0);
725 time_line_group->move (x_delta, 0);
726 cursor_group->move (x_delta, 0);
728 leftmost_frame = (framepos_t) floor (p * frames_per_unit);
730 update_fixed_rulers ();
731 redisplay_tempo (true);
733 if (pending_visual_change.idle_handler_id < 0) {
734 _summary->set_overlays_dirty ();
737 HorizontalPositionChanged (); /* EMIT SIGNAL */
739 #ifndef GTKOSX
740 if (!autoscroll_active && !_stationary_playhead) {
741 /* force rulers and canvas to move in lock step */
742 while (gtk_events_pending ()) {
743 gtk_main_iteration ();
746 #endif
750 void
751 Editor::scroll_canvas_vertically ()
753 /* vertical scrolling only */
755 double y_delta;
757 y_delta = last_trackview_group_vertical_offset - get_trackview_group_vertical_offset ();
758 _trackview_group->move (0, y_delta);
759 _background_group->move (0, y_delta);
761 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
762 (*i)->clip_to_viewport ();
764 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
765 /* required to keep the controls_layout in lock step with the canvas group */
766 update_canvas_now ();
769 void
770 Editor::color_handler()
772 playhead_cursor->canvas_item.property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_PlayHead.get();
773 _verbose_cursor->set_color (ARDOUR_UI::config()->canvasvar_VerboseCanvasCursor.get());
775 meter_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MeterBar.get();
776 meter_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
778 tempo_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TempoBar.get();
779 tempo_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
781 marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBar.get();
782 marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
784 cd_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_CDMarkerBar.get();
785 cd_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
787 range_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeMarkerBar.get();
788 range_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
790 transport_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportMarkerBar.get();
791 transport_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
793 cd_marker_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
794 cd_marker_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
796 range_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
797 range_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
799 transport_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
800 transport_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
802 transport_loop_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
803 transport_loop_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
805 transport_punch_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
806 transport_punch_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
808 transport_punchin_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
809 transport_punchout_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
811 zoom_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
812 zoom_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
814 rubberband_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
815 rubberband_rect->property_fill_color_rgba() = (guint32) ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
817 location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
818 location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
819 location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
820 location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
821 location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
823 refresh_location_display ();
825 redisplay_tempo (true);
827 if (_session)
828 _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
832 void
833 Editor::flush_canvas ()
835 if (is_mapped()) {
836 update_canvas_now ();
837 // gdk_window_process_updates (GTK_LAYOUT(track_canvas->gobj())->bin_window, true);
841 void
842 Editor::update_canvas_now ()
844 /* GnomeCanvas has a bug whereby if its idle handler is not scheduled between
845 two calls to update_now, an assert will trip. This wrapper works around
846 that problem by only calling update_now if the assert will not trip.
848 I think the GC bug is due to the fact that its code will reset need_update
849 and need_redraw to FALSE without checking to see if an idle handler is scheduled.
850 If one is scheduled, GC should probably remove it.
853 GnomeCanvas* c = track_canvas->gobj ();
854 if (c->need_update || c->need_redraw) {
855 track_canvas->update_now ();
859 double
860 Editor::horizontal_position () const
862 return frame_to_unit (leftmost_frame);
864 void
865 Editor::set_canvas_cursor (Gdk::Cursor* cursor, bool save)
867 if (save) {
868 current_canvas_cursor = cursor;
871 if (is_drawable()) {
872 track_canvas->get_window()->set_cursor (*cursor);
876 bool
877 Editor::track_canvas_key_press (GdkEventKey* event)
879 /* XXX: event does not report the modifier key pressed down, AFAICS, so use the Keyboard object instead */
880 if (mouse_mode == Editing::MouseZoom && Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
881 set_canvas_cursor (_cursors->zoom_out, true);
884 return false;
887 bool
888 Editor::track_canvas_key_release (GdkEventKey* event)
890 if (mouse_mode == Editing::MouseZoom && !Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
891 set_canvas_cursor (_cursors->zoom_in, true);
894 return false;