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)
50 , canvas_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)
59 /* set_position() will position the group */
61 canvas_rect = new ArdourCanvas::SimpleRect (*canvas_group);
62 canvas_rect->property_x1() = 0.0;
63 canvas_rect->property_y1() = 0.0;
64 canvas_rect->property_x2() = _trackview.editor.frame_to_pixel (max_frames);
65 canvas_rect->property_y2() = (double) tv.current_height();
66 canvas_rect->property_outline_what() = (guint32) (0x1|0x2|0x8); // outline ends and bottom
67 // (Fill/Outline colours set in derived classes)
69 canvas_rect->signal_event().connect (bind (mem_fun (_trackview.editor, &PublicEditor::canvas_stream_view_event), canvas_rect, &_trackview));
71 if (_trackview.is_track()) {
72 _trackview.track()->DiskstreamChanged.connect (mem_fun (*this, &StreamView::diskstream_changed));
73 _trackview.session().TransportStateChange.connect (mem_fun (*this, &StreamView::transport_changed));
74 _trackview.session().TransportLooped.connect (mem_fun (*this, &StreamView::transport_looped));
75 _trackview.get_diskstream()->RecordEnableChanged.connect (mem_fun (*this, &StreamView::rec_enable_changed));
76 _trackview.session().RecordStateChanged.connect (mem_fun (*this, &StreamView::sess_rec_enable_changed));
79 ColorsChanged.connect (mem_fun (*this, &StreamView::color_handler));
82 StreamView::~StreamView ()
84 undisplay_diskstream ();
91 if (_trackview.is_track()) {
92 display_diskstream (_trackview.get_diskstream());
97 StreamView::set_position (gdouble x, gdouble y)
100 canvas_group->property_x() = x;
101 canvas_group->property_y() = y;
106 StreamView::set_height (gdouble h)
108 /* limit the values to something sane-ish */
110 if (h < 10.0 || h > 1000.0) {
114 if (canvas_rect->property_y2() == h) {
118 canvas_rect->property_y2() = h;
120 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
121 (*i)->set_height (h);
124 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
125 RecBoxInfo &recbox = (*i);
126 recbox.rectangle->property_y2() = h - 1.0;
133 StreamView::set_samples_per_unit (gdouble spp)
135 RegionViewList::iterator i;
141 _samples_per_unit = spp;
143 for (i = region_views.begin(); i != region_views.end(); ++i) {
144 (*i)->set_samples_per_unit (spp);
147 for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
148 RecBoxInfo &recbox = (*xi);
150 gdouble xstart = _trackview.editor.frame_to_pixel ( recbox.start );
151 gdouble xend = _trackview.editor.frame_to_pixel ( recbox.start + recbox.length );
153 recbox.rectangle->property_x1() = xstart;
154 recbox.rectangle->property_x2() = xend;
161 StreamView::add_region_view (boost::shared_ptr<Region> r)
163 add_region_view_internal (r, true);
167 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
169 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::remove_region_view), weak_r));
171 boost::shared_ptr<Region> r (weak_r.lock());
177 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
178 if (((*i)->region()) == r) {
180 region_views.erase (i);
187 StreamView::undisplay_diskstream ()
189 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
193 region_views.clear();
197 StreamView::display_diskstream (boost::weak_ptr<Diskstream> wds)
199 boost::shared_ptr<Diskstream> ds = wds.lock();
205 playlist_change_connection.disconnect();
206 playlist_changed (wds);
207 playlist_change_connection = ds->PlaylistChanged.connect (bind (mem_fun (*this, &StreamView::playlist_changed), wds));
211 StreamView::playlist_modified ()
213 ENSURE_GUI_THREAD (mem_fun (*this, &StreamView::playlist_modified));
215 redisplay_diskstream ();
219 StreamView::playlist_changed (boost::weak_ptr<Diskstream> wptr)
221 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_changed), wptr));
223 boost::shared_ptr<Diskstream> ds = wptr.lock();
229 /* disconnect from old playlist */
231 for (vector<sigc::connection>::iterator i = playlist_connections.begin(); i != playlist_connections.end(); ++i) {
235 playlist_connections.clear();
236 undisplay_diskstream ();
240 redisplay_diskstream ();
244 playlist_connections.push_back (ds->playlist()->Modified.connect (mem_fun (*this, &StreamView::playlist_modified)));
248 StreamView::diskstream_changed ()
250 boost::shared_ptr<Track> t = _trackview.track();
253 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun (*this, &StreamView::display_diskstream), boost::weak_ptr<Diskstream> (t->diskstream())));
255 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::undisplay_diskstream));
260 StreamView::apply_color (Gdk::Color& color, ColorTarget target)
263 list<RegionView *>::iterator i;
267 region_color = color;
268 for (i = region_views.begin(); i != region_views.end(); ++i) {
269 (*i)->set_color (region_color);
273 case StreamBaseColor:
274 stream_base_color = RGBA_TO_UINT (
275 color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
276 canvas_rect->property_fill_color_rgba() = stream_base_color;
282 StreamView::region_layered (RegionView* rv)
284 rv->get_canvas_group()->lower_to_bottom();
286 /* don't ever leave it at the bottom, since then it doesn't
287 get events - the parent group does instead ...
290 /* this used to be + 1, but regions to the left ended up below
291 ..something.. and couldn't receive events. why? good question.
293 rv->get_canvas_group()->raise (rv->region()->layer() + 2);
297 StreamView::rec_enable_changed ()
299 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
303 StreamView::sess_rec_enable_changed ()
305 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
309 StreamView::transport_changed()
311 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
315 StreamView::transport_looped()
317 // to force a new rec region
319 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
323 StreamView::update_rec_box ()
325 if (rec_active && rec_rects.size() > 0) {
326 /* only update the last box */
327 RecBoxInfo & rect = rec_rects.back();
328 nframes_t at = _trackview.get_diskstream()->current_capture_end();
332 switch (_trackview.track()->mode()) {
334 rect.length = at - rect.start;
335 xstart = _trackview.editor.frame_to_pixel (rect.start);
336 xend = _trackview.editor.frame_to_pixel (at);
341 xstart = _trackview.editor.frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
342 xend = _trackview.editor.frame_to_pixel (at);
346 rect.rectangle->property_x1() = xstart;
347 rect.rectangle->property_x2() = xend;
352 StreamView::find_view (boost::shared_ptr<const Region> region)
354 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
356 if ((*i)->region() == region) {
364 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
366 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
372 StreamView::set_selected_regionviews (RegionSelection& regions)
376 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
380 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
386 (*i)->set_selected (selected);
391 StreamView::get_selectables (nframes_t start, nframes_t end, list<Selectable*>& results)
393 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
394 if ((*i)->region()->coverage(start, end) != OverlapNone) {
395 results.push_back (*i);
401 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
403 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
404 if (!sel.regions.contains (*i)) {
405 results.push_back (*i);