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>
31 #include "streamview.h"
32 #include "region_view.h"
33 #include "route_time_axis.h"
34 #include "canvas-waveview.h"
35 #include "canvas-simplerect.h"
36 #include "region_selection.h"
37 #include "selection.h"
38 #include "public_editor.h"
39 #include "ardour_ui.h"
40 #include "rgb_macros.h"
41 #include "gui_thread.h"
44 using namespace ARDOUR;
46 using namespace Editing;
48 StreamView::StreamView (RouteTimeAxisView& tv, ArdourCanvas::Group* group)
50 , canvas_group(group ? group : new ArdourCanvas::Group(*_trackview.canvas_display))
51 , canvas_rect(new ArdourCanvas::SimpleRect (*canvas_group))
52 , _samples_per_unit(_trackview.editor.get_current_zoom())
55 , use_rec_regions(tv.editor.show_waveforms_recording())
56 , region_color(_trackview.color())
57 , stream_base_color(0xFFFFFFFF)
60 , layer_display(Overlaid)
61 , last_rec_data_frame(0)
63 /* set_position() will position the group */
65 canvas_rect = new ArdourCanvas::SimpleRect (*canvas_group);
66 canvas_rect->property_x1() = 0.0;
67 canvas_rect->property_y1() = 0.0;
68 canvas_rect->property_x2() = _trackview.editor.frame_to_pixel (max_frames);
69 canvas_rect->property_y2() = (double) tv.height;
70 canvas_rect->property_outline_what() = (guint32) (0x2|0x8); // outline RHS and bottom
71 // (Fill/Outline colours set in derived classes)
73 canvas_rect->signal_event().connect (bind (mem_fun (_trackview.editor, &PublicEditor::canvas_stream_view_event), canvas_rect, &_trackview));
75 if (_trackview.is_track()) {
76 _trackview.track()->DiskstreamChanged.connect (mem_fun (*this, &StreamView::diskstream_changed));
77 _trackview.session().TransportStateChange.connect (mem_fun (*this, &StreamView::transport_changed));
78 _trackview.session().TransportLooped.connect (mem_fun (*this, &StreamView::transport_looped));
79 _trackview.get_diskstream()->RecordEnableChanged.connect (mem_fun (*this, &StreamView::rec_enable_changed));
80 _trackview.session().RecordStateChanged.connect (mem_fun (*this, &StreamView::sess_rec_enable_changed));
83 ColorsChanged.connect (mem_fun (*this, &StreamView::color_handler));
86 StreamView::~StreamView ()
88 undisplay_diskstream ();
95 if (_trackview.is_track()) {
96 display_diskstream (_trackview.get_diskstream());
101 StreamView::set_position (gdouble x, gdouble y)
103 canvas_group->property_x() = x;
104 canvas_group->property_y() = y;
109 StreamView::set_height (double h)
111 /* limit the values to something sane-ish */
112 if (h < 10.0 || h > 1000.0) {
116 if (canvas_rect->property_y2() == h) {
121 update_contents_y_position_and_height ();
126 StreamView::set_samples_per_unit (gdouble spp)
128 RegionViewList::iterator i;
134 _samples_per_unit = spp;
136 for (i = region_views.begin(); i != region_views.end(); ++i) {
137 (*i)->set_samples_per_unit (spp);
140 for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
141 RecBoxInfo &recbox = (*xi);
143 gdouble xstart = _trackview.editor.frame_to_pixel ( recbox.start );
144 gdouble xend = _trackview.editor.frame_to_pixel ( recbox.start + recbox.length );
146 recbox.rectangle->property_x1() = xstart;
147 recbox.rectangle->property_x2() = xend;
154 StreamView::add_region_view (boost::shared_ptr<Region> r)
156 add_region_view_internal (r, true);
160 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
162 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::remove_region_view), weak_r));
164 boost::shared_ptr<Region> r (weak_r.lock());
170 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
171 if (((*i)->region()) == r) {
173 region_views.erase (i);
180 StreamView::undisplay_diskstream ()
182 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
186 region_views.clear();
190 StreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
192 playlist_change_connection.disconnect();
193 playlist_changed (ds);
194 playlist_change_connection = ds->PlaylistChanged.connect (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
198 StreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
200 boost::shared_ptr<Diskstream> sp (ds.lock());
205 playlist_modified (sp);
209 StreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
211 /* we do not allow shared_ptr<T> to be bound to slots */
212 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_modified_weak), ds));
214 /* update layers count and the y positions and heights of our regions */
215 if (ds->playlist()) {
216 layers = ds->playlist()->top_layer() + 1;
217 update_contents_y_position_and_height ();
218 redisplay_diskstream ();
223 StreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
225 /* XXX: binding to a shared_ptr, is this ok? */
226 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
228 /* disconnect from old playlist */
230 for (vector<sigc::connection>::iterator i = playlist_connections.begin(); i != playlist_connections.end(); ++i) {
234 playlist_connections.clear();
235 undisplay_diskstream ();
237 /* update layers count and the y positions and heights of our regions */
238 layers = ds->playlist()->top_layer() + 1;
239 update_contents_y_position_and_height ();
242 redisplay_diskstream ();
246 playlist_connections.push_back (ds->playlist()->Modified.connect (bind (mem_fun (*this, &StreamView::playlist_modified_weak), ds)));
250 StreamView::diskstream_changed ()
252 boost::shared_ptr<Track> t;
254 if ((t = _trackview.track()) != 0) {
255 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun (*this, &StreamView::display_diskstream), t->diskstream()));
257 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::undisplay_diskstream));
262 StreamView::apply_color (Gdk::Color& color, ColorTarget target)
265 list<RegionView *>::iterator i;
269 region_color = color;
270 for (i = region_views.begin(); i != region_views.end(); ++i) {
271 (*i)->set_color (region_color);
275 case StreamBaseColor:
276 stream_base_color = RGBA_TO_UINT (
277 color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
278 canvas_rect->property_fill_color_rgba() = stream_base_color;
284 StreamView::region_layered (RegionView* rv)
286 rv->get_canvas_group()->lower_to_bottom();
288 /* don't ever leave it at the bottom, since then it doesn't
289 get events - the parent group does instead ...
292 /* this used to be + 1, but regions to the left ended up below
293 ..something.. and couldn't receive events. why? good question.
295 /* and now it's + 3 for midi note separator lines */
296 rv->get_canvas_group()->raise (rv->region()->layer() + 3);
300 StreamView::rec_enable_changed ()
302 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
306 StreamView::sess_rec_enable_changed ()
308 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
312 StreamView::transport_changed()
314 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
318 StreamView::transport_looped()
320 // to force a new rec region
322 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
326 StreamView::update_rec_box ()
328 if (rec_active && rec_rects.size() > 0) {
329 /* only update the last box */
330 RecBoxInfo & rect = rec_rects.back();
331 nframes_t at = _trackview.get_diskstream()->current_capture_end();
335 switch (_trackview.track()->mode()) {
337 rect.length = at - rect.start;
338 xstart = _trackview.editor.frame_to_pixel (rect.start);
339 xend = _trackview.editor.frame_to_pixel (at);
344 xstart = _trackview.editor.frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
345 xend = _trackview.editor.frame_to_pixel (at);
349 rect.rectangle->property_x1() = xstart;
350 rect.rectangle->property_x2() = xend;
355 StreamView::find_view (boost::shared_ptr<const Region> region)
357 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
359 if ((*i)->region() == region) {
367 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
369 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
375 StreamView::set_selected_regionviews (RegionSelection& regions)
379 // cerr << _trackview.name() << " (selected = " << regions.size() << ")" << endl;
380 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
384 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
390 // cerr << "\tregion " << (*i)->region().name() << " selected = " << selected << endl;
391 (*i)->set_selected (selected);
396 StreamView::get_selectables (nframes_t start, nframes_t end, list<Selectable*>& results)
398 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
399 if ((*i)->region()->coverage(start, end) != OverlapNone) {
400 results.push_back (*i);
406 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
408 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
409 if (!sel.regions.contains (*i)) {
410 results.push_back (*i);
416 StreamView::update_contents_y_position_and_height ()
418 canvas_rect->property_y2() = height;
420 const double lh = height / layers;
422 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
423 switch (layer_display) {
425 (*i)->set_y_position_and_height (0, height);
428 double const y = (*i)->region()->layer() * lh;
429 (*i)->set_y_position_and_height (y, lh);
434 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
435 i->rectangle->property_y2() = height - 1.0;
440 StreamView::set_layer_display (LayerDisplay d)
443 update_contents_y_position_and_height ();