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.
21 #include "gtk2ardour-config.h"
24 #include <libgnomecanvasmm/init.h>
25 #include <libgnomecanvasmm/pixbuf.h>
26 #include <jack/types.h>
28 #include "gtkmm2ext/utils.h"
30 #include "ardour/profile.h"
31 #include "ardour/rc_configuration.h"
33 #include "ardour_ui.h"
35 #include "global_signals.h"
37 #include "simplerect.h"
38 #include "simpleline.h"
39 #include "imageframe.h"
40 #include "waveview_p.h"
41 #include "simplerect_p.h"
42 #include "simpleline_p.h"
43 #include "imageframe_p.h"
44 #include "canvas_impl.h"
45 #include "canvas-noevent-text.h"
47 #include "rgb_macros.h"
49 #include "audio_time_axis.h"
50 #include "editor_drag.h"
51 #include "region_view.h"
52 #include "editor_group_tabs.h"
53 #include "editor_summary.h"
55 #include "editor_cursors.h"
56 #include "mouse_cursors.h"
57 #include "verbose_cursor.h"
62 using namespace ARDOUR;
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;
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();
101 Editor::initialize_canvas ()
103 if (getenv ("ARDOUR_NON_AA_CANVAS")) {
104 track_canvas = new ArdourCanvas::Canvas ();
106 track_canvas = new ArdourCanvas::CanvasAA ();
109 track_canvas->set_can_default (true);
110 set_default (*track_canvas);
112 ArdourCanvas::init ();
113 ardour_canvas_type_init ();
115 /* don't try to center the canvas */
117 track_canvas->set_center_scroll_region (false);
118 track_canvas->set_dither (Gdk::RGB_DITHER_NONE);
120 gint phys_width = physical_screen_width (Glib::RefPtr<Gdk::Window>());
121 gint phys_height = physical_screen_height (Glib::RefPtr<Gdk::Window>());
123 _verbose_cursor = new VerboseCursor (this);
125 /* on the bottom, an image */
127 if (Profile->get_sae()) {
128 Image img (::get_icon (X_("saelogo")));
129 logo_item = new ArdourCanvas::Pixbuf (*track_canvas->root(), 0.0, 0.0, img.get_pixbuf());
130 // logo_item->property_height_in_pixels() = true;
131 // logo_item->property_width_in_pixels() = true;
132 // logo_item->property_height_set() = true;
133 // logo_item->property_width_set() = true;
137 /* a group to hold time (measure) lines */
138 time_line_group = new ArdourCanvas::Group (*track_canvas->root());
141 /*XXX please don't laugh. this actually improves canvas performance on osx */
142 bogus_background_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, max_canvas_coordinate/3, phys_height);
143 bogus_background_rect->property_outline_pixels() = 0;
145 transport_loop_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
146 transport_loop_range_rect->property_outline_pixels() = 1;
147 transport_loop_range_rect->hide();
149 transport_punch_range_rect = new ArdourCanvas::SimpleRect (*time_line_group, 0.0, 0.0, 0.0, phys_height);
150 transport_punch_range_rect->property_outline_pixels() = 0;
151 transport_punch_range_rect->hide();
153 _background_group = new ArdourCanvas::Group (*track_canvas->root());
154 _master_group = new ArdourCanvas::Group (*track_canvas->root());
156 _trackview_group = new ArdourCanvas::Group (*_master_group);
157 _region_motion_group = new ArdourCanvas::Group (*_trackview_group);
159 meter_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
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;
162 meter_bar->property_outline_what() = 0x8;
164 tempo_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
165 tempo_bar = new ArdourCanvas::SimpleRect (*tempo_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
166 tempo_bar->property_outline_pixels() = 1;
167 tempo_bar->property_outline_what() = 0x8;
169 range_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
170 range_marker_bar = new ArdourCanvas::SimpleRect (*range_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
171 range_marker_bar->property_outline_pixels() = 1;
172 range_marker_bar->property_outline_what() = 0x8;
174 transport_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
175 transport_marker_bar = new ArdourCanvas::SimpleRect (*transport_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
176 transport_marker_bar->property_outline_pixels() = 1;
177 transport_marker_bar->property_outline_what() = 0x8;
179 marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
180 marker_bar = new ArdourCanvas::SimpleRect (*marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
181 marker_bar->property_outline_pixels() = 1;
182 marker_bar->property_outline_what() = 0x8;
184 cd_marker_bar_group = new ArdourCanvas::Group (*track_canvas->root ());
185 cd_marker_bar = new ArdourCanvas::SimpleRect (*cd_marker_bar_group, 0.0, 0.0, phys_width, (timebar_height - 1));
186 cd_marker_bar->property_outline_pixels() = 1;
187 cd_marker_bar->property_outline_what() = 0x8;
189 timebar_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
190 cursor_group = new ArdourCanvas::Group (*track_canvas->root(), 0.0, 0.0);
192 meter_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 5.0);
193 tempo_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 4.0);
194 range_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 3.0);
195 transport_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height * 2.0);
196 marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, timebar_height);
197 cd_marker_group = new ArdourCanvas::Group (*timebar_group, 0.0, 0.0);
199 cd_marker_bar_drag_rect = new ArdourCanvas::SimpleRect (*cd_marker_group, 0.0, 0.0, 100, timebar_height);
200 cd_marker_bar_drag_rect->property_outline_pixels() = 0;
201 cd_marker_bar_drag_rect->hide ();
203 range_bar_drag_rect = new ArdourCanvas::SimpleRect (*range_marker_group, 0.0, 0.0, 100, timebar_height);
204 range_bar_drag_rect->property_outline_pixels() = 0;
205 range_bar_drag_rect->hide ();
207 transport_bar_drag_rect = new ArdourCanvas::SimpleRect (*transport_marker_group, 0.0, 0.0, 100, timebar_height);
208 transport_bar_drag_rect->property_outline_pixels() = 0;
209 transport_bar_drag_rect->hide ();
211 transport_punchin_line = new ArdourCanvas::SimpleLine (*_master_group);
212 transport_punchin_line->property_x1() = 0.0;
213 transport_punchin_line->property_y1() = 0.0;
214 transport_punchin_line->property_x2() = 0.0;
215 transport_punchin_line->property_y2() = phys_height;
216 transport_punchin_line->hide ();
218 transport_punchout_line = new ArdourCanvas::SimpleLine (*_master_group);
219 transport_punchout_line->property_x1() = 0.0;
220 transport_punchout_line->property_y1() = 0.0;
221 transport_punchout_line->property_x2() = 0.0;
222 transport_punchout_line->property_y2() = phys_height;
223 transport_punchout_line->hide();
225 // used to show zoom mode active zooming
226 zoom_rect = new ArdourCanvas::SimpleRect (*_master_group, 0.0, 0.0, 0.0, 0.0);
227 zoom_rect->property_outline_pixels() = 1;
230 zoom_rect->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_zoom_rect_event), (ArdourCanvas::Item*) 0));
232 // used as rubberband rect
233 rubberband_rect = new ArdourCanvas::SimpleRect (*_trackview_group, 0.0, 0.0, 0.0, 0.0);
235 rubberband_rect->property_outline_pixels() = 1;
236 rubberband_rect->hide();
238 tempo_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_tempo_bar_event), tempo_bar));
239 meter_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_meter_bar_event), meter_bar));
240 marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_marker_bar_event), marker_bar));
241 cd_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_cd_marker_bar_event), cd_marker_bar));
242 range_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_range_marker_bar_event), range_marker_bar));
243 transport_marker_bar->signal_event().connect (sigc::bind (sigc::mem_fun (*this, &Editor::canvas_transport_marker_bar_event), transport_marker_bar));
245 playhead_cursor = new EditorCursor (*this, &Editor::canvas_playhead_cursor_event);
248 logo_item->lower_to_bottom ();
250 /* need to handle 4 specific types of events as catch-alls */
252 track_canvas->signal_scroll_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_scroll_event));
253 track_canvas->signal_motion_notify_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_motion_notify_event));
254 track_canvas->signal_button_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_press_event));
255 track_canvas->signal_button_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_button_release_event));
256 track_canvas->signal_drag_motion().connect (sigc::mem_fun (*this, &Editor::track_canvas_drag_motion));
257 track_canvas->signal_key_press_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_key_press));
258 track_canvas->signal_key_release_event().connect (sigc::mem_fun (*this, &Editor::track_canvas_key_release));
260 track_canvas->set_name ("EditorMainCanvas");
261 track_canvas->add_events (Gdk::POINTER_MOTION_HINT_MASK | Gdk::SCROLL_MASK | Gdk::KEY_PRESS_MASK | Gdk::KEY_RELEASE_MASK);
262 track_canvas->signal_leave_notify_event().connect (sigc::mem_fun(*this, &Editor::left_track_canvas), false);
263 track_canvas->signal_enter_notify_event().connect (sigc::mem_fun(*this, &Editor::entered_track_canvas), false);
264 track_canvas->set_flags (CAN_FOCUS);
266 /* set up drag-n-drop */
268 vector<TargetEntry> target_table;
270 // Drag-N-Drop from the region list can generate this target
271 target_table.push_back (TargetEntry ("regions"));
273 target_table.push_back (TargetEntry ("text/plain"));
274 target_table.push_back (TargetEntry ("text/uri-list"));
275 target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
277 track_canvas->drag_dest_set (target_table);
278 track_canvas->signal_drag_data_received().connect (sigc::mem_fun(*this, &Editor::track_canvas_drag_data_received));
280 track_canvas->signal_size_allocate().connect (sigc::mem_fun(*this, &Editor::track_canvas_allocate));
282 ColorsChanged.connect (sigc::mem_fun (*this, &Editor::color_handler));
288 Editor::track_canvas_allocate (Gtk::Allocation alloc)
290 canvas_allocation = alloc;
291 track_canvas_size_allocated ();
295 Editor::track_canvas_size_allocated ()
297 bool height_changed = _canvas_height != canvas_allocation.get_height();
299 _canvas_width = canvas_allocation.get_width();
300 _canvas_height = canvas_allocation.get_height();
303 TrackViewList::iterator i;
305 for (i = track_views.begin(); i != track_views.end(); ++i) {
306 (*i)->clip_to_viewport ();
310 if (height_changed) {
311 if (playhead_cursor) {
312 playhead_cursor->set_length (_canvas_height);
315 for (LocationMarkerMap::iterator i = location_markers.begin(); i != location_markers.end(); ++i) {
316 i->second->canvas_height_set (_canvas_height);
319 vertical_adjustment.set_page_size (_canvas_height);
320 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
321 if ((vertical_adjustment.get_value() + _canvas_height) >= vertical_adjustment.get_upper()) {
323 We're increasing the size of the canvas while the bottom is visible.
324 We scroll down to keep in step with the controls layout.
326 vertical_adjustment.set_value (full_canvas_height - _canvas_height);
330 update_fixed_rulers();
331 redisplay_tempo (false);
332 _summary->set_overlays_dirty ();
338 Editor::reset_controls_layout_width ()
343 edit_controls_vbox.size_request (req);
346 if (_group_tabs->is_mapped()) {
347 _group_tabs->size_request (req);
351 /* the controls layout has no horizontal scrolling, its visible
352 width is always equal to the total width of its contents.
355 controls_layout.property_width() = w;
356 controls_layout.property_width_request() = w;
360 Editor::reset_controls_layout_height (int32_t h)
362 /* set the height of the scrollable area (i.e. the sum of all contained widgets)
365 controls_layout.property_height() = h;
367 /* size request is set elsewhere, see ::track_canvas_allocate() */
371 Editor::track_canvas_map_handler (GdkEventAny* /*ev*/)
373 if (current_canvas_cursor) {
374 set_canvas_cursor (current_canvas_cursor);
379 /** This is called when something is dropped onto the track canvas */
381 Editor::track_canvas_drag_data_received (const RefPtr<Gdk::DragContext>& context,
383 const SelectionData& data,
384 guint info, guint time)
386 if (data.get_target() == "regions") {
387 drop_regions (context, x, y, data, info, time);
389 drop_paths (context, x, y, data, info, time);
394 Editor::idle_drop_paths (vector<string> paths, framepos_t frame, double ypos)
396 drop_paths_part_two (paths, frame, ypos);
401 Editor::drop_paths_part_two (const vector<string>& paths, framepos_t frame, double ypos)
403 RouteTimeAxisView* tv;
405 std::pair<TimeAxisView*, int> const tvp = trackview_by_y_position (ypos);
406 if (tvp.first == 0) {
408 /* drop onto canvas background: create new tracks */
412 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
413 do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsTrack, SrcBest, frame);
415 do_embed (paths, Editing::ImportDistinctFiles, ImportAsTrack, frame);
418 } else if ((tv = dynamic_cast<RouteTimeAxisView*> (tvp.first)) != 0) {
420 /* check that its an audio track, not a bus */
423 /* select the track, then embed/import */
426 if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
427 do_import (paths, Editing::ImportSerializeFiles, Editing::ImportToTrack, SrcBest, frame);
429 do_embed (paths, Editing::ImportSerializeFiles, ImportToTrack, frame);
436 Editor::drop_paths (const RefPtr<Gdk::DragContext>& context,
438 const SelectionData& data,
439 guint info, guint time)
441 vector<string> paths;
448 if (convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
450 /* D-n-D coordinates are window-relative, so convert to "world" coordinates
453 track_canvas->window_to_world (x, y, wx, wy);
455 ev.type = GDK_BUTTON_RELEASE;
459 frame = event_frame (&ev, 0, &cy);
464 /* We are not allowed to call recursive main event loops from within
465 the main event loop with GTK/Quartz. Since import/embed wants
466 to push up a progress dialog, defer all this till we go idle.
468 Glib::signal_idle().connect (sigc::bind (sigc::mem_fun (*this, &Editor::idle_drop_paths), paths, frame, cy));
470 drop_paths_part_two (paths, frame, cy);
474 context->drag_finish (true, false, time);
478 Editor::drop_regions (const RefPtr<Gdk::DragContext>& /*context*/,
479 int /*x*/, int /*y*/,
480 const SelectionData& /*data*/,
481 guint /*info*/, guint /*time*/)
483 _drags->end_grab (0);
486 /** If the editor window is arranged such that the edge of the trackview is right up
487 * against the edge of the screen, autoscroll will not work very well. In this situation,
488 * we start autoscrolling some distance in from the right-hand-side of the screen edge;
489 * this is the distance at which that happens.
492 Editor::autoscroll_fudge_threshold () const
494 return current_page_frames() / 6;
497 /** @param allow_horiz true to allow horizontal autoscroll, otherwise false.
498 * @param allow_vert true to allow vertical autoscroll, otherwise false.
499 * @param moving_left true if we are moving left, so we only want to autoscroll on the left of the canvas,
500 * otherwise false, so we only want to autoscroll on the right of the canvas.
501 * @param moving_up true if we are moving up, so we only want to autoscroll at the top of the canvas,
502 * otherwise false, so we only want to autoscroll at the bottom of the canvas.
505 Editor::maybe_autoscroll (bool allow_horiz, bool allow_vert, bool moving_left, bool moving_up)
507 if (!Config->get_autoscroll_editor ()) {
511 bool startit = false;
513 /* Work out the distance between the right hand edge of the trackview and the edge of
514 the monitor that it is on.
517 Glib::RefPtr<Gdk::Window> gdk_window = get_window ();
518 Gdk::Rectangle window_rect;
519 gdk_window->get_frame_extents (window_rect);
521 Glib::RefPtr<Gdk::Screen> screen = get_screen ();
522 Gdk::Rectangle root_rect;
523 screen->get_root_window()->get_frame_extents (root_rect);
525 Gtk::Allocation editor_list = _the_notebook.get_allocation ();
527 framecnt_t distance = pixel_to_frame (root_rect.get_x() + root_rect.get_width() - window_rect.get_x() - window_rect.get_width());
528 if (_the_notebook.is_visible ()) {
529 distance += pixel_to_frame (editor_list.get_width());
532 /* Note whether we're fudging the autoscroll (see autoscroll_fudge_threshold) */
533 _autoscroll_fudging = (distance < autoscroll_fudge_threshold ());
535 double const ty = _drags->current_pointer_y() - get_trackview_group_vertical_offset ();
539 if (ty < canvas_timebars_vsize && moving_up && allow_vert) {
542 } else if (ty > _canvas_height && !moving_up && allow_vert) {
547 framepos_t rightmost_frame = leftmost_frame + current_page_frames();
548 if (_autoscroll_fudging) {
549 rightmost_frame -= autoscroll_fudge_threshold ();
552 if (_drags->current_pointer_frame() > rightmost_frame && allow_horiz) {
553 if (rightmost_frame < max_framepos && !moving_left) {
557 } else if (_drags->current_pointer_frame() < leftmost_frame && allow_horiz) {
558 if (leftmost_frame > 0 && moving_left) {
564 if (autoscroll_active && ((autoscroll_x != last_autoscroll_x) || (autoscroll_y != last_autoscroll_y) || (autoscroll_x == 0 && autoscroll_y == 0))) {
565 stop_canvas_autoscroll ();
568 if (startit && autoscroll_timeout_tag < 0) {
569 start_canvas_autoscroll (autoscroll_x, autoscroll_y);
572 last_autoscroll_x = autoscroll_x;
573 last_autoscroll_y = autoscroll_y;
577 Editor::_autoscroll_canvas (void *arg)
579 return ((Editor *) arg)->autoscroll_canvas ();
583 Editor::autoscroll_canvas ()
585 framepos_t new_frame;
586 framepos_t limit = max_framepos - current_page_frames();
591 if (autoscroll_x_distance != 0) {
593 if (autoscroll_x > 0) {
594 autoscroll_x_distance = (_drags->current_pointer_frame() - (leftmost_frame + current_page_frames())) / 3;
595 if (_autoscroll_fudging) {
596 autoscroll_x_distance += autoscroll_fudge_threshold () / 3;
598 } else if (autoscroll_x < 0) {
599 autoscroll_x_distance = (leftmost_frame - _drags->current_pointer_frame()) / 3;
604 if (autoscroll_y_distance != 0) {
605 if (autoscroll_y > 0) {
606 autoscroll_y_distance = (_drags->current_pointer_y() - (get_trackview_group_vertical_offset() + _canvas_height)) / 3;
607 } else if (autoscroll_y < 0) {
609 autoscroll_y_distance = (vertical_adjustment.get_value () - _drags->current_pointer_y()) / 3;
613 if (autoscroll_x < 0) {
614 if (leftmost_frame < autoscroll_x_distance) {
617 new_frame = leftmost_frame - autoscroll_x_distance;
619 } else if (autoscroll_x > 0) {
620 if (leftmost_frame > limit - autoscroll_x_distance) {
623 new_frame = leftmost_frame + autoscroll_x_distance;
626 new_frame = leftmost_frame;
629 double vertical_pos = vertical_adjustment.get_value();
631 if (autoscroll_y < 0) {
633 if (vertical_pos < autoscroll_y_distance) {
636 new_pixel = vertical_pos - autoscroll_y_distance;
639 target_pixel = _drags->current_pointer_y() - autoscroll_y_distance;
640 target_pixel = max (target_pixel, 0.0);
642 } else if (autoscroll_y > 0) {
644 double top_of_bottom_of_canvas = full_canvas_height - _canvas_height;
646 if (vertical_pos > full_canvas_height - autoscroll_y_distance) {
647 new_pixel = full_canvas_height;
649 new_pixel = vertical_pos + autoscroll_y_distance;
652 new_pixel = min (top_of_bottom_of_canvas, new_pixel);
654 target_pixel = _drags->current_pointer_y() + autoscroll_y_distance;
656 /* don't move to the full canvas height because the item will be invisible
657 (its top edge will line up with the bottom of the visible canvas.
660 target_pixel = min (target_pixel, full_canvas_height - 10);
663 target_pixel = _drags->current_pointer_y();
664 new_pixel = vertical_pos;
667 if ((new_frame == 0 || new_frame == limit) && (new_pixel == 0 || new_pixel == DBL_MAX)) {
672 if (new_frame != leftmost_frame) {
673 reset_x_origin (new_frame);
676 vertical_adjustment.set_value (new_pixel);
680 Glib::RefPtr<Gdk::Window> canvas_window = const_cast<Editor*>(this)->track_canvas->get_window();
682 Gdk::ModifierType mask;
683 canvas_window->get_pointer (x, y, mask);
684 ev.type = GDK_MOTION_NOTIFY;
685 ev.state = Gdk::BUTTON1_MASK;
689 motion_handler (0, (GdkEvent*) &ev, true);
693 if (autoscroll_cnt == 1) {
695 /* connect the timeout so that we get called repeatedly */
697 autoscroll_timeout_tag = g_idle_add ( _autoscroll_canvas, this);
706 Editor::start_canvas_autoscroll (int dx, int dy)
708 if (!_session || autoscroll_active) {
712 stop_canvas_autoscroll ();
714 autoscroll_active = true;
717 autoscroll_x_distance = (framepos_t) floor (current_page_frames()/50.0);
718 autoscroll_y_distance = fabs (dy * 5); /* pixels */
721 /* do it right now, which will start the repeated callbacks */
723 autoscroll_canvas ();
727 Editor::stop_canvas_autoscroll ()
729 if (autoscroll_timeout_tag >= 0) {
730 g_source_remove (autoscroll_timeout_tag);
731 autoscroll_timeout_tag = -1;
734 autoscroll_active = false;
738 Editor::left_track_canvas (GdkEventCrossing */*ev*/)
741 within_track_canvas = false;
742 //cerr << "left track canvas\n";
743 set_entered_track (0);
744 set_entered_regionview (0);
745 reset_canvas_action_sensitivity (false);
750 Editor::entered_track_canvas (GdkEventCrossing */*ev*/)
752 //cerr << "entered track canvas\n";
753 within_track_canvas = true;
754 reset_canvas_action_sensitivity (true);
759 Editor::ensure_time_axis_view_is_visible (const TimeAxisView& tav)
761 double begin = tav.y_position();
763 double v = vertical_adjustment.get_value ();
765 if (begin < v || begin + tav.current_height() > v + _canvas_height - canvas_timebars_vsize) {
766 /* try to put the TimeAxisView roughly central */
767 if (begin >= _canvas_height/2.0) {
768 begin -= _canvas_height/2.0;
770 vertical_adjustment.set_value (begin);
775 Editor::tie_vertical_scrolling ()
777 scroll_canvas_vertically ();
779 /* this will do an immediate redraw */
781 controls_layout.get_vadjustment()->set_value (vertical_adjustment.get_value());
783 if (pending_visual_change.idle_handler_id < 0) {
784 _summary->set_overlays_dirty ();
789 Editor::set_horizontal_position (double p)
791 /* horizontal scrolling only */
792 double x1, y1, x2, y2, x_delta;
793 _master_group->get_bounds (x1, y1, x2, y2);
795 x_delta = - (x1 + p);
797 _master_group->move (x_delta, 0);
798 timebar_group->move (x_delta, 0);
799 time_line_group->move (x_delta, 0);
800 cursor_group->move (x_delta, 0);
802 leftmost_frame = (framepos_t) floor (p * frames_per_unit);
804 update_fixed_rulers ();
805 redisplay_tempo (true);
807 if (pending_visual_change.idle_handler_id < 0) {
808 _summary->set_overlays_dirty ();
811 HorizontalPositionChanged (); /* EMIT SIGNAL */
814 if (!autoscroll_active && !_stationary_playhead) {
815 /* force rulers and canvas to move in lock step */
816 while (gtk_events_pending ()) {
817 gtk_main_iteration ();
825 Editor::scroll_canvas_vertically ()
827 /* vertical scrolling only */
831 y_delta = last_trackview_group_vertical_offset - get_trackview_group_vertical_offset ();
832 _trackview_group->move (0, y_delta);
833 _background_group->move (0, y_delta);
835 for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
836 (*i)->clip_to_viewport ();
838 last_trackview_group_vertical_offset = get_trackview_group_vertical_offset ();
839 /* required to keep the controls_layout in lock step with the canvas group */
840 update_canvas_now ();
844 Editor::color_handler()
846 playhead_cursor->canvas_item.property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_PlayHead.get();
847 _verbose_cursor->set_color (ARDOUR_UI::config()->canvasvar_VerboseCanvasCursor.get());
849 meter_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MeterBar.get();
850 meter_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
852 tempo_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TempoBar.get();
853 tempo_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
855 marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBar.get();
856 marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
858 cd_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_CDMarkerBar.get();
859 cd_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
861 range_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeMarkerBar.get();
862 range_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
864 transport_marker_bar->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportMarkerBar.get();
865 transport_marker_bar->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MarkerBarSeparator.get();
867 cd_marker_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
868 cd_marker_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
870 range_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
871 range_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RangeDragBarRect.get();
873 transport_bar_drag_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
874 transport_bar_drag_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportDragRect.get();
876 transport_loop_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
877 transport_loop_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportLoopRect.get();
879 transport_punch_range_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
880 transport_punch_range_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_TransportPunchRect.get();
882 transport_punchin_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
883 transport_punchout_line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_PunchLine.get();
885 zoom_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
886 zoom_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_ZoomRect.get();
888 rubberband_rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
889 rubberband_rect->property_fill_color_rgba() = (guint32) ARDOUR_UI::config()->canvasvar_RubberBandRect.get();
891 location_marker_color = ARDOUR_UI::config()->canvasvar_LocationMarker.get();
892 location_range_color = ARDOUR_UI::config()->canvasvar_LocationRange.get();
893 location_cd_marker_color = ARDOUR_UI::config()->canvasvar_LocationCDMarker.get();
894 location_loop_color = ARDOUR_UI::config()->canvasvar_LocationLoop.get();
895 location_punch_color = ARDOUR_UI::config()->canvasvar_LocationPunch.get();
897 refresh_location_display ();
899 redisplay_tempo (true);
902 _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
907 Editor::flush_canvas ()
910 update_canvas_now ();
911 // gdk_window_process_updates (GTK_LAYOUT(track_canvas->gobj())->bin_window, true);
916 Editor::update_canvas_now ()
918 /* GnomeCanvas has a bug whereby if its idle handler is not scheduled between
919 two calls to update_now, an assert will trip. This wrapper works around
920 that problem by only calling update_now if the assert will not trip.
922 I think the GC bug is due to the fact that its code will reset need_update
923 and need_redraw to FALSE without checking to see if an idle handler is scheduled.
924 If one is scheduled, GC should probably remove it.
927 GnomeCanvas* c = track_canvas->gobj ();
928 if (c->need_update || c->need_redraw) {
929 track_canvas->update_now ();
934 Editor::horizontal_position () const
936 return frame_to_unit (leftmost_frame);
940 Editor::set_canvas_cursor (Gdk::Cursor* cursor, bool save)
943 current_canvas_cursor = cursor;
946 Glib::RefPtr<Gdk::Window> win = track_canvas->get_window();
949 track_canvas->get_window()->set_cursor (*cursor);
954 Editor::track_canvas_key_press (GdkEventKey*)
956 /* XXX: event does not report the modifier key pressed down, AFAICS, so use the Keyboard object instead */
957 if (mouse_mode == Editing::MouseZoom && Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
958 set_canvas_cursor (_cursors->zoom_out, true);
965 Editor::track_canvas_key_release (GdkEventKey*)
967 if (mouse_mode == Editing::MouseZoom && !Keyboard::the_keyboard().key_is_down (GDK_Control_L)) {
968 set_canvas_cursor (_cursors->zoom_in, true);