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>
25 #include "ardour/playlist.h"
26 #include "ardour/region.h"
27 #include "ardour/source.h"
28 #include "ardour/diskstream.h"
29 #include "ardour/track.h"
30 #include "ardour/session.h"
32 #include "streamview.h"
33 #include "region_view.h"
34 #include "route_time_axis.h"
35 #include "canvas-waveview.h"
36 #include "canvas-simplerect.h"
37 #include "region_selection.h"
38 #include "selection.h"
39 #include "public_editor.h"
40 #include "ardour_ui.h"
41 #include "rgb_macros.h"
42 #include "gui_thread.h"
46 using namespace ARDOUR
;
48 using namespace Editing
;
50 StreamView::StreamView (RouteTimeAxisView
& tv
, ArdourCanvas::Group
* group
)
52 , owns_canvas_group(group
== 0)
53 , _background_group (new ArdourCanvas::Group (*_trackview
.canvas_background()))
54 , canvas_group(group
? group
: new ArdourCanvas::Group(*_trackview
.canvas_display()))
55 , _samples_per_unit (_trackview
.editor().get_current_zoom ())
58 , use_rec_regions (tv
.editor().show_waveforms_recording ())
59 , region_color(_trackview
.color())
60 , stream_base_color(0xFFFFFFFF)
62 , _layer_display (Overlaid
)
64 , last_rec_data_frame(0)
66 /* set_position() will position the group */
68 canvas_rect
= new ArdourCanvas::SimpleRect (*_background_group
);
69 canvas_rect
->property_x1() = 0.0;
70 canvas_rect
->property_y1() = 0.0;
71 canvas_rect
->property_x2() = _trackview
.editor().get_physical_screen_width ();
72 canvas_rect
->property_y2() = (double) tv
.current_height();
73 canvas_rect
->raise(1); // raise above tempo lines
75 canvas_rect
->property_outline_what() = (guint32
) (0x2|0x8); // outline RHS and bottom
77 canvas_rect
->signal_event().connect (sigc::bind (
78 sigc::mem_fun (_trackview
.editor(), &PublicEditor::canvas_stream_view_event
),
79 canvas_rect
, &_trackview
));
81 if (_trackview
.is_track()) {
82 _trackview
.track()->DiskstreamChanged
.connect (*this, boost::bind (&StreamView::diskstream_changed
, this), gui_context());
83 _trackview
.get_diskstream()->RecordEnableChanged
.connect (*this, boost::bind (&StreamView::rec_enable_changed
, this), gui_context());
85 _trackview
.session()->TransportStateChange
.connect (*this, boost::bind (&StreamView::transport_changed
, this), gui_context());
86 _trackview
.session()->TransportLooped
.connect (*this, boost::bind (&StreamView::transport_looped
, this), gui_context());
87 _trackview
.session()->RecordStateChanged
.connect (*this, boost::bind (&StreamView::sess_rec_enable_changed
, this), gui_context());
90 ColorsChanged
.connect (sigc::mem_fun (*this, &StreamView::color_handler
));
93 StreamView::~StreamView ()
95 undisplay_diskstream ();
99 if (owns_canvas_group
) {
105 StreamView::attach ()
107 if (_trackview
.is_track()) {
108 display_diskstream (_trackview
.get_diskstream());
113 StreamView::set_position (gdouble x
, gdouble y
)
115 canvas_group
->property_x() = x
;
116 canvas_group
->property_y() = y
;
121 StreamView::set_height (double h
)
123 /* limit the values to something sane-ish */
124 if (h
< 10.0 || h
> 1000.0) {
128 if (canvas_rect
->property_y2() == h
) {
133 canvas_rect
->property_y2() = height
;
134 update_contents_height ();
142 StreamView::set_samples_per_unit (gdouble spp
)
144 RegionViewList::iterator i
;
150 _samples_per_unit
= spp
;
152 for (i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
153 (*i
)->set_samples_per_unit (spp
);
156 for (vector
<RecBoxInfo
>::iterator xi
= rec_rects
.begin(); xi
!= rec_rects
.end(); ++xi
) {
157 RecBoxInfo
&recbox
= (*xi
);
159 gdouble xstart
= _trackview
.editor().frame_to_pixel (recbox
.start
);
160 gdouble xend
= _trackview
.editor().frame_to_pixel (recbox
.start
+ recbox
.length
);
162 recbox
.rectangle
->property_x1() = xstart
;
163 recbox
.rectangle
->property_x2() = xend
;
166 update_coverage_frames ();
172 StreamView::add_region_view (boost::weak_ptr
<Region
> wr
)
174 boost::shared_ptr
<Region
> r (wr
.lock());
179 add_region_view_internal (r
, true);
181 if (_layer_display
== Stacked
) {
182 update_contents_height ();
187 StreamView::remove_region_view (boost::weak_ptr
<Region
> weak_r
)
189 ENSURE_GUI_THREAD (*this, &StreamView::remove_region_view
, weak_r
)
191 boost::shared_ptr
<Region
> r (weak_r
.lock());
197 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
198 if (((*i
)->region()) == r
) {
200 region_views
.erase (i
);
208 StreamView::undisplay_diskstream ()
210 for (RegionViewList::iterator i
= region_views
.begin(); i
!= region_views
.end() ; ) {
211 RegionViewList::iterator next
= i
;
217 region_views
.clear();
221 StreamView::display_diskstream (boost::shared_ptr
<Diskstream
> ds
)
223 playlist_switched_connection
.disconnect();
224 playlist_switched (ds
);
225 ds
->PlaylistChanged
.connect (playlist_switched_connection
, boost::bind (&StreamView::playlist_switched
, this, boost::weak_ptr
<Diskstream
> (ds
)), gui_context());
229 StreamView::layer_regions()
231 // In one traversal of the region view list:
232 // - Build a list of region views sorted by layer
233 // - Remove invalid views from the actual region view list
235 list
<RegionView
*>::iterator i
, tmp
;
236 for (i
= region_views
.begin(); i
!= region_views
.end(); ) {
240 if (!(*i
)->is_valid()) {
242 region_views
.erase (i
);
246 (*i
)->enable_display(true);
249 if (copy
.size() == 0) {
250 copy
.push_front((*i
));
255 RegionViewList::iterator k
= copy
.begin();
256 RegionViewList::iterator l
= copy
.end();
259 if ((*i
)->region()->layer() <= (*k
)->region()->layer()) {
260 copy
.push_front((*i
));
263 } else if ((*i
)->region()->layer() >= (*l
)->region()->layer()) {
264 copy
.push_back((*i
));
269 for (RegionViewList::iterator j
= copy
.begin(); j
!= copy
.end(); ++j
) {
270 if ((*j
)->region()->layer() >= (*i
)->region()->layer()) {
271 copy
.insert(j
, (*i
));
279 // Fix canvas layering by raising each to the top in the sorted order.
280 for (RegionViewList::iterator i
= copy
.begin(); i
!= copy
.end(); ++i
) {
281 (*i
)->get_canvas_group()->raise_to_top ();
286 StreamView::playlist_layered (boost::weak_ptr
<Diskstream
> wds
)
288 boost::shared_ptr
<Diskstream
> ds (wds
.lock());
294 /* update layers count and the y positions and heights of our regions */
295 if (ds
->playlist()) {
296 _layers
= ds
->playlist()->top_layer() + 1;
299 if (_layer_display
== Stacked
) {
300 update_contents_height ();
301 update_coverage_frames ();
303 /* layering has probably been modified. reflect this in the canvas. */
309 StreamView::playlist_switched (boost::weak_ptr
<Diskstream
> wds
)
311 boost::shared_ptr
<Diskstream
> ds (wds
.lock());
317 /* disconnect from old playlist */
319 playlist_connections
.drop_connections ();
320 undisplay_diskstream ();
322 /* update layers count and the y positions and heights of our regions */
323 _layers
= ds
->playlist()->top_layer() + 1;
324 update_contents_height ();
325 update_coverage_frames ();
327 ds
->playlist()->set_explicit_relayering (_layer_display
== Stacked
);
331 redisplay_diskstream ();
335 ds
->playlist()->LayeringChanged
.connect (playlist_connections
, boost::bind (&StreamView::playlist_layered
, this, boost::weak_ptr
<Diskstream
>(ds
)), gui_context());
336 ds
->playlist()->RegionAdded
.connect (playlist_connections
, ui_bind (&StreamView::add_region_view
, this, _1
), gui_context());
337 ds
->playlist()->RegionRemoved
.connect (playlist_connections
, ui_bind (&StreamView::remove_region_view
, this, _1
), gui_context());
338 // ds->playlist()->ContentsChanged.connect (playlist_connections, boost::bind (&StreamView::redisplay_diskstream, this), gui_context());
342 StreamView::diskstream_changed ()
344 boost::shared_ptr
<Track
> t
;
346 if ((t
= _trackview
.track()) != 0) {
347 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::display_diskstream
, this, t
->diskstream()));
349 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::undisplay_diskstream
, this));
354 StreamView::apply_color (Gdk::Color
& color
, ColorTarget target
)
357 list
<RegionView
*>::iterator i
;
361 region_color
= color
;
362 for (i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
363 (*i
)->set_color (region_color
);
367 case StreamBaseColor
:
368 stream_base_color
= RGBA_TO_UINT (
369 color
.get_red_p(), color
.get_green_p(), color
.get_blue_p(), 255);
370 canvas_rect
->property_fill_color_rgba() = stream_base_color
;
376 StreamView::region_layered (RegionView
* rv
)
378 /* don't ever leave it at the bottom, since then it doesn't
379 get events - the parent group does instead ...
381 rv
->get_canvas_group()->raise (rv
->region()->layer());
385 StreamView::rec_enable_changed ()
391 StreamView::sess_rec_enable_changed ()
397 StreamView::transport_changed()
403 StreamView::transport_looped()
405 // to force a new rec region
407 Gtkmm2ext::UI::instance()->call_slot (boost::bind (&StreamView::setup_rec_box
, this));
411 StreamView::update_rec_box ()
413 if (rec_active
&& rec_rects
.size() > 0) {
414 /* only update the last box */
415 RecBoxInfo
& rect
= rec_rects
.back();
416 nframes_t at
= _trackview
.get_diskstream()->current_capture_end();
420 switch (_trackview
.track()->mode()) {
424 rect
.length
= at
- rect
.start
;
425 xstart
= _trackview
.editor().frame_to_pixel (rect
.start
);
426 xend
= _trackview
.editor().frame_to_pixel (at
);
431 xstart
= _trackview
.editor().frame_to_pixel (_trackview
.get_diskstream()->current_capture_start());
432 xend
= _trackview
.editor().frame_to_pixel (at
);
436 rect
.rectangle
->property_x1() = xstart
;
437 rect
.rectangle
->property_x2() = xend
;
442 StreamView::find_view (boost::shared_ptr
<const Region
> region
)
444 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
446 if ((*i
)->region() == region
) {
454 StreamView::num_selected_regionviews () const
458 for (list
<RegionView
*>::const_iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
459 if ((*i
)->get_selected()) {
467 StreamView::foreach_regionview (sigc::slot
<void,RegionView
*> slot
)
469 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
475 StreamView::foreach_selected_regionview (sigc::slot
<void,RegionView
*> slot
)
477 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
478 if ((*i
)->get_selected()) {
485 StreamView::set_selected_regionviews (RegionSelection
& regions
)
489 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
493 for (RegionSelection::iterator ii
= regions
.begin(); ii
!= regions
.end(); ++ii
) {
500 (*i
)->set_selected (selected
);
505 StreamView::get_selectables (nframes_t start
, nframes_t end
, double top
, double bottom
, list
<Selectable
*>& results
)
507 layer_t min_layer
= 0;
508 layer_t max_layer
= 0;
510 if (_layer_display
== Stacked
) {
511 double const c
= child_height ();
512 min_layer
= _layers
- ((bottom
- _trackview
.y_position()) / c
);
513 max_layer
= _layers
- ((top
- _trackview
.y_position()) / c
);
516 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
518 bool layer_ok
= true;
520 if (_layer_display
== Stacked
) {
521 layer_t
const l
= (*i
)->region()->layer ();
522 layer_ok
= (min_layer
<= l
&& l
<= max_layer
);
525 if ((*i
)->region()->coverage (start
, end
) != OverlapNone
&& layer_ok
) {
526 results
.push_back (*i
);
532 StreamView::get_inverted_selectables (Selection
& sel
, list
<Selectable
*>& results
)
534 for (list
<RegionView
*>::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
535 if (!sel
.regions
.contains (*i
)) {
536 results
.push_back (*i
);
541 /** @return height of a child region view, depending on stacked / overlaid mode */
543 StreamView::child_height () const
545 if (_layer_display
== Stacked
) {
546 return height
/ _layers
;
553 StreamView::update_contents_height ()
555 const double h
= child_height ();
557 for (RegionViewList::iterator i
= region_views
.begin(); i
!= region_views
.end(); ++i
) {
558 switch (_layer_display
) {
563 (*i
)->set_y (height
- ((*i
)->region()->layer() + 1) * h
);
567 (*i
)->set_height (h
);
570 for (vector
<RecBoxInfo
>::iterator i
= rec_rects
.begin(); i
!= rec_rects
.end(); ++i
) {
571 i
->rectangle
->property_y2() = height
- 1.0;
576 StreamView::set_layer_display (LayerDisplay d
)
579 update_contents_height ();
580 update_coverage_frames ();
581 _trackview
.get_diskstream()->playlist()->set_explicit_relayering (_layer_display
== Stacked
);
585 StreamView::update_coverage_frames ()
587 for (RegionViewList::iterator i
= region_views
.begin (); i
!= region_views
.end (); ++i
) {
588 (*i
)->update_coverage_frames (_layer_display
);