2 Copyright (C) 2001, 2006 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.
23 #include <gtkmm2ext/gtk_ui.h>
24 #include <gtkmm2ext/utils.h>
26 #include "ardour/playlist.h"
27 #include "ardour/region.h"
28 #include "ardour/source.h"
29 #include "ardour/track.h"
30 #include "ardour/session.h"
32 #include "streamview.h"
33 #include "global_signals.h"
34 #include "region_view.h"
35 #include "route_time_axis.h"
36 #include "canvas-waveview.h"
37 #include "canvas-simplerect.h"
38 #include "region_selection.h"
39 #include "selection.h"
40 #include "public_editor.h"
41 #include "ardour_ui.h"
42 #include "rgb_macros.h"
43 #include "gui_thread.h"
47 using namespace ARDOUR
;
49 using namespace Editing
;
51 StreamView::StreamView (RouteTimeAxisView
& tv
, ArdourCanvas::Group
* background_group
, ArdourCanvas::Group
* canvas_group
)
53 , owns_background_group (background_group
== 0)
54 , owns_canvas_group (canvas_group
== 0)
55 , _background_group (background_group
? background_group
: new ArdourCanvas::Group (*_trackview
.canvas_background()))
56 , _canvas_group (canvas_group
? canvas_group
: new ArdourCanvas::Group(*_trackview
.canvas_display()))
57 , _samples_per_unit (_trackview
.editor().get_current_zoom ())
60 , region_color(_trackview
.color())
61 , stream_base_color(0xFFFFFFFF)
63 , _layer_display (Overlaid
)
65 , last_rec_data_frame(0)
67 /* set_position() will position the group */
69 canvas_rect
= new ArdourCanvas::SimpleRect (*_background_group
);
70 canvas_rect
->property_x1() = 0.0;
71 canvas_rect
->property_y1() = 0.0;
72 canvas_rect
->property_x2() = Gtkmm2ext::physical_screen_width (_trackview
.editor().get_window());
73 canvas_rect
->property_y2() = (double) tv
.current_height();
74 canvas_rect
->raise(1); // raise above tempo lines
76 canvas_rect
->property_outline_what() = (guint32
) (0x2|0x8); // outline RHS and bottom
77 canvas_rect
->property_outline_color_rgba() = RGBA_TO_UINT (0, 0, 0, 255);
79 canvas_rect
->signal_event().connect (sigc::bind (
80 sigc::mem_fun (_trackview
.editor(), &PublicEditor::canvas_stream_view_event
),
81 canvas_rect
, &_trackview
));
83 if (_trackview
.is_track()) {
84 _trackview
.track()->DiskstreamChanged
.connect (*this, invalidator (*this), boost::bind (&StreamView::diskstream_changed
, this), gui_context());
85 _trackview
.track()->RecordEnableChanged
.connect (*this, invalidator (*this), boost::bind (&StreamView::rec_enable_changed
, this), gui_context());
87 _trackview
.session()->TransportStateChange
.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_changed
, this), gui_context());
88 _trackview
.session()->TransportLooped
.connect (*this, invalidator (*this), boost::bind (&StreamView::transport_looped
, this), gui_context());
89 _trackview
.session()->RecordStateChanged
.connect (*this, invalidator (*this), boost::bind (&StreamView::sess_rec_enable_changed
, this), gui_context());
92 ColorsChanged
.connect (sigc::mem_fun (*this, &StreamView::color_handler
));
95 StreamView::~StreamView ()
101 if (owns_background_group
) {
102 delete _background_group
;
105 if (owns_canvas_group
) {
106 delete _canvas_group
;
111 StreamView::attach ()
113 if (_trackview
.is_track()) {
114 display_track (_trackview
.track ());
119 StreamView::set_position (gdouble x
, gdouble y
)
121 _canvas_group
->property_x() = x
;
122 _canvas_group
->property_y() = y
;
127 StreamView::set_height (double h
)
129 /* limit the values to something sane-ish */
130 if (h
< 10.0 || h
> 1000.0) {
134 if (canvas_rect
->property_y2() == h
) {
139 canvas_rect
->property_y2() = height
;
140 update_contents_height ();
146 StreamView::set_samples_per_unit (gdouble spp
)
148 RegionViewList::iterator i
;
154 _samples_per_unit
= spp
;
156 for (i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
157 (*i
)->set_samples_per_unit (spp
);
160 for (vector
<RecBoxInfo
>::iterator xi
= rec_rects
.begin(); xi
!= rec_rects
.end(); ++xi
) {
161 RecBoxInfo
&recbox
= (*xi
);
163 gdouble xstart
= _trackview
.editor().frame_to_pixel (recbox
.start
);
164 gdouble xend
= _trackview
.editor().frame_to_pixel (recbox
.start
+ recbox
.length
);
166 recbox
.rectangle
->property_x1() = xstart
;
167 recbox
.rectangle
->property_x2() = xend
;
170 update_coverage_frames ();
176 StreamView::add_region_view (boost::weak_ptr
<Region
> wr
)
178 boost::shared_ptr
<Region
> r (wr
.lock());
183 add_region_view_internal (r
, true);
185 if (_layer_display
== Stacked
) {
186 update_contents_height ();
191 StreamView::remove_region_view (boost::weak_ptr
<Region
> weak_r
)
193 ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view
, weak_r
)
195 boost::shared_ptr
<Region
> r (weak_r
.lock());
201 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
202 if (((*i
)->region()) == r
) {
204 region_views
.erase (i
);
210 RegionViewRemoved (); /* EMIT SIGNAL */
214 StreamView::undisplay_track ()
216 for (RegionViewList::iterator i
= region_views
.begin(); i
!= region_views
.end() ; ) {
217 RegionViewList::iterator next
= i
;
223 region_views
.clear();
227 StreamView::display_track (boost::shared_ptr
<Track
> tr
)
229 playlist_switched_connection
.disconnect();
230 playlist_switched (tr
);
231 tr
->PlaylistChanged
.connect (playlist_switched_connection
, invalidator (*this), boost::bind (&StreamView::playlist_switched
, this, boost::weak_ptr
<Track
> (tr
)), gui_context());
235 StreamView::layer_regions()
237 // In one traversal of the region view list:
238 // - Build a list of region views sorted by layer
239 // - Remove invalid views from the actual region view list
241 list
<RegionView
*>::iterator i
, tmp
;
242 for (i
= region_views
.begin(); i
!= region_views
.end(); ) {
246 if (!(*i
)->is_valid()) {
248 region_views
.erase (i
);
252 (*i
)->enable_display(true);
255 if (copy
.size() == 0) {
256 copy
.push_front((*i
));
261 RegionViewList::iterator k
= copy
.begin();
262 RegionViewList::iterator l
= copy
.end();
265 if ((*i
)->region()->layer() <= (*k
)->region()->layer()) {
266 copy
.push_front((*i
));
269 } else if ((*i
)->region()->layer() >= (*l
)->region()->layer()) {
270 copy
.push_back((*i
));
275 for (RegionViewList::iterator j
= copy
.begin(); j
!= copy
.end(); ++j
) {
276 if ((*j
)->region()->layer() >= (*i
)->region()->layer()) {
277 copy
.insert(j
, (*i
));
285 // Fix canvas layering by raising each to the top in the sorted order.
286 for (RegionViewList::iterator i
= copy
.begin(); i
!= copy
.end(); ++i
) {
287 (*i
)->get_canvas_group()->raise_to_top ();
292 StreamView::playlist_layered (boost::weak_ptr
<Track
> wtr
)
294 boost::shared_ptr
<Track
> tr (wtr
.lock());
300 /* update layers count and the y positions and heights of our regions */
301 if (tr
->playlist()) {
302 _layers
= tr
->playlist()->top_layer() + 1;
305 if (_layer_display
== Stacked
) {
306 update_contents_height ();
307 update_coverage_frames ();
309 /* layering has probably been modified. reflect this in the canvas. */
315 StreamView::playlist_switched (boost::weak_ptr
<Track
> wtr
)
317 boost::shared_ptr
<Track
> tr (wtr
.lock());
323 /* disconnect from old playlist */
325 playlist_connections
.drop_connections ();
328 /* update layers count and the y positions and heights of our regions */
329 _layers
= tr
->playlist()->top_layer() + 1;
330 update_contents_height ();
331 update_coverage_frames ();
333 tr
->playlist()->set_explicit_relayering (_layer_display
== Stacked
);
341 tr
->playlist()->LayeringChanged
.connect (playlist_connections
, invalidator (*this), boost::bind (&StreamView::playlist_layered
, this, boost::weak_ptr
<Track
> (tr
)), gui_context());
342 tr
->playlist()->RegionAdded
.connect (playlist_connections
, invalidator (*this), ui_bind (&StreamView::add_region_view
, this, _1
), gui_context());
343 tr
->playlist()->RegionRemoved
.connect (playlist_connections
, invalidator (*this), ui_bind (&StreamView::remove_region_view
, this, _1
), gui_context());
344 tr
->playlist()->ContentsChanged
.connect (playlist_connections
, invalidator (*this), ui_bind (&StreamView::update_coverage_frames
, this), gui_context());
348 StreamView::diskstream_changed ()
350 boost::shared_ptr
<Track
> t
;
352 if ((t
= _trackview
.track()) != 0) {
353 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::display_track
, this, t
));
355 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::undisplay_track
, this));
360 StreamView::apply_color (Gdk::Color
& color
, ColorTarget target
)
362 list
<RegionView
*>::iterator i
;
366 region_color
= color
;
367 for (i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
368 (*i
)->set_color (region_color
);
372 case StreamBaseColor
:
373 stream_base_color
= RGBA_TO_UINT (
374 color
.get_red_p(), color
.get_green_p(), color
.get_blue_p(), 255);
375 canvas_rect
->property_fill_color_rgba() = stream_base_color
;
381 StreamView::region_layered (RegionView
* rv
)
383 /* don't ever leave it at the bottom, since then it doesn't
384 get events - the parent group does instead ...
386 rv
->get_canvas_group()->raise (rv
->region()->layer());
390 StreamView::rec_enable_changed ()
396 StreamView::sess_rec_enable_changed ()
402 StreamView::transport_changed()
408 StreamView::transport_looped()
410 // to force a new rec region
412 Gtkmm2ext::UI::instance()->call_slot (invalidator (*this), boost::bind (&StreamView::setup_rec_box
, this));
416 StreamView::update_rec_box ()
418 if (rec_active
&& rec_rects
.size() > 0) {
419 /* only update the last box */
420 RecBoxInfo
& rect
= rec_rects
.back();
421 framepos_t
const at
= _trackview
.track()->current_capture_end ();
425 switch (_trackview
.track()->mode()) {
429 rect
.length
= at
- rect
.start
;
430 xstart
= _trackview
.editor().frame_to_pixel (rect
.start
);
431 xend
= _trackview
.editor().frame_to_pixel (at
);
436 xstart
= _trackview
.editor().frame_to_pixel (_trackview
.track()->current_capture_start());
437 xend
= _trackview
.editor().frame_to_pixel (at
);
441 rect
.rectangle
->property_x1() = xstart
;
442 rect
.rectangle
->property_x2() = xend
;
447 StreamView::find_view (boost::shared_ptr
<const Region
> region
)
449 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
451 if ((*i
)->region() == region
) {
459 StreamView::num_selected_regionviews () const
463 for (list
<RegionView
*>::const_iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
464 if ((*i
)->get_selected()) {
472 StreamView::foreach_regionview (sigc::slot
<void,RegionView
*> slot
)
474 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
480 StreamView::foreach_selected_regionview (sigc::slot
<void,RegionView
*> slot
)
482 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
483 if ((*i
)->get_selected()) {
490 StreamView::set_selected_regionviews (RegionSelection
& regions
)
494 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
498 for (RegionSelection::iterator ii
= regions
.begin(); ii
!= regions
.end(); ++ii
) {
505 (*i
)->set_selected (selected
);
510 /** Get selectable things within a given range.
511 * @param start Start time in session frames.
512 * @param end End time in session frames.
513 * @param top Top y range, in trackview coordinates (ie 0 is the top of the track view)
514 * @param bot Bottom y range, in trackview coordinates (ie 0 is the top of the track view)
515 * @param result Filled in with selectable things.
519 StreamView::get_selectables (framepos_t start
, framepos_t end
, double top
, double bottom
, list
<Selectable
*>& results
)
521 layer_t min_layer
= 0;
522 layer_t max_layer
= 0;
524 if (_layer_display
== Stacked
) {
525 double const c
= child_height ();
526 min_layer
= _layers
- ((bottom
- _trackview
.y_position()) / c
);
527 max_layer
= _layers
- ((top
- _trackview
.y_position()) / c
);
530 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
532 bool layer_ok
= true;
534 if (_layer_display
== Stacked
) {
535 layer_t
const l
= (*i
)->region()->layer ();
536 layer_ok
= (min_layer
<= l
&& l
<= max_layer
);
539 if ((*i
)->region()->coverage (start
, end
) != OverlapNone
&& layer_ok
) {
540 results
.push_back (*i
);
546 StreamView::get_inverted_selectables (Selection
& sel
, list
<Selectable
*>& results
)
548 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
549 if (!sel
.regions
.contains (*i
)) {
550 results
.push_back (*i
);
555 /** @return height of a child region view, depending on stacked / overlaid mode */
557 StreamView::child_height () const
559 if (_layer_display
== Stacked
) {
560 return height
/ _layers
;
567 StreamView::update_contents_height ()
569 const double h
= child_height ();
571 for (RegionViewList::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
572 switch (_layer_display
) {
577 (*i
)->set_y (height
- ((*i
)->region()->layer() + 1) * h
);
581 (*i
)->set_height (h
);
584 for (vector
<RecBoxInfo
>::iterator i
= rec_rects
.begin(); i
!= rec_rects
.end(); ++i
) {
585 switch (_layer_display
) {
587 i
->rectangle
->property_y2() = height
;
590 /* In stacked displays, the recregion is always at the top */
591 i
->rectangle
->property_y1() = 0;
592 i
->rectangle
->property_y2() = h
;
599 StreamView::set_layer_display (LayerDisplay d
)
602 update_contents_height ();
603 update_coverage_frames ();
604 _trackview
.track()->playlist()->set_explicit_relayering (_layer_display
== Stacked
);
608 StreamView::update_coverage_frames ()
610 for (RegionViewList::iterator i
= region_views
.begin (); i
!= region_views
.end (); ++i
) {
611 (*i
)->update_coverage_frames (_layer_display
);
616 StreamView::check_record_layers (boost::shared_ptr
<Region
> region
, framepos_t to
)
618 if (_new_rec_layer_time
< to
) {
619 /* The region being recorded has overlapped the start of a top-layered region, so
620 `fake' a new visual layer for the recording. This is only a visual thing for now,
621 as the proper layering will get sorted out when the recorded region is added to
625 /* Stop this happening again */
626 _new_rec_layer_time
= max_framepos
;
628 /* Make space in the view for the new layer */
631 /* Set the temporary region to the correct layer so that it gets drawn correctly */
632 region
->set_layer (_layers
- 1);
634 /* and reset the view */
635 update_contents_height ();
640 StreamView::setup_new_rec_layer_time (boost::shared_ptr
<Region
> region
)
642 /* If we are in Stacked mode, we may need to (visually) create a new layer to put the
643 recorded region in. To work out where this needs to happen, find the start of the next
644 top-layered region after the start of the region we are recording and make a note of it.
646 if (_layer_display
== Stacked
) {
647 _new_rec_layer_time
= _trackview
.track()->playlist()->find_next_top_layer_position (region
->start());
649 _new_rec_layer_time
= max_framepos
;
654 StreamView::enter_internal_edit_mode ()
656 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
662 StreamView::leave_internal_edit_mode ()
664 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {