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"
45 using namespace ARDOUR;
47 using namespace Editing;
49 StreamView::StreamView (RouteTimeAxisView& tv)
51 , canvas_group(new ArdourCanvas::Group(*_trackview.canvas_display))
52 , canvas_rect(new ArdourCanvas::SimpleRect (*canvas_group))
53 , _samples_per_unit(_trackview.editor.get_current_zoom())
56 , use_rec_regions(tv.editor.show_waveforms_recording())
57 , region_color(_trackview.color())
58 , stream_base_color(0xFFFFFFFF)
60 /* set_position() will position the group */
62 canvas_rect = new ArdourCanvas::SimpleRect (*canvas_group);
63 canvas_rect->property_x1() = 0.0;
64 canvas_rect->property_y1() = 0.0;
65 canvas_rect->property_x2() = 1000000.0;
66 canvas_rect->property_y2() = (double) tv.height;
67 canvas_rect->property_outline_what() = (guint32) (0x1|0x2|0x8); // outline ends and bottom
68 // (Fill/Outline colours set in derived classes)
70 canvas_rect->signal_event().connect (bind (mem_fun (_trackview.editor, &PublicEditor::canvas_stream_view_event), canvas_rect, &_trackview));
72 if (_trackview.is_track()) {
73 _trackview.track()->DiskstreamChanged.connect (mem_fun (*this, &StreamView::diskstream_changed));
74 _trackview.session().TransportStateChange.connect (mem_fun (*this, &StreamView::transport_changed));
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 ColorChanged.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 canvas_rect->property_y2() = h;
116 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
117 (*i)->set_height (h);
120 /*for (CrossfadeViewList::iterator i = crossfade_views.begin(); i != crossfade_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::shared_ptr<Region> r)
169 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::remove_region_view), r));
171 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
172 if (((*i)->region()) == r) {
174 region_views.erase (i);
183 StreamView::remove_rec_region (boost::shared_ptr<Region> r)
185 ENSURE_GUI_THREAD(bind (mem_fun (*this, &StreamView::remove_rec_region), r));
187 if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
188 fatal << "region deleted from non-GUI thread!" << endmsg;
192 for (list<boost::shared_ptr<Region> >::iterator i = rec_regions.begin(); i != rec_regions.end(); ++i) {
194 rec_regions.erase (i);
202 StreamView::undisplay_diskstream ()
204 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
208 region_views.clear();
212 StreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
214 playlist_change_connection.disconnect();
215 playlist_changed (ds);
216 playlist_change_connection = ds->PlaylistChanged.connect (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
220 StreamView::playlist_modified ()
222 ENSURE_GUI_THREAD (mem_fun (*this, &StreamView::playlist_modified));
224 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
230 StreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
232 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
234 /* disconnect from old playlist */
236 for (vector<sigc::connection>::iterator i = playlist_connections.begin(); i != playlist_connections.end(); ++i) {
240 playlist_connections.clear();
241 undisplay_diskstream ();
245 redisplay_diskstream ();
249 playlist_connections.push_back (ds->playlist()->RegionAdded.connect (mem_fun (*this, &StreamView::add_region_view)));
250 playlist_connections.push_back (ds->playlist()->RegionRemoved.connect (mem_fun (*this, &StreamView::remove_region_view)));
251 playlist_connections.push_back (ds->playlist()->StateChanged.connect (mem_fun (*this, &StreamView::playlist_state_changed)));
252 playlist_connections.push_back (ds->playlist()->Modified.connect (mem_fun (*this, &StreamView::playlist_modified)));
256 StreamView::playlist_state_changed (Change ignored)
258 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_state_changed), ignored));
260 redisplay_diskstream ();
264 StreamView::diskstream_changed ()
268 if ((t = _trackview.track()) != 0) {
269 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun (*this, &StreamView::display_diskstream), t->diskstream()));
271 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::undisplay_diskstream));
276 StreamView::apply_color (Gdk::Color& color, ColorTarget target)
279 list<RegionView *>::iterator i;
283 region_color = color;
284 for (i = region_views.begin(); i != region_views.end(); ++i) {
285 (*i)->set_color (region_color);
289 case StreamBaseColor:
290 stream_base_color = RGBA_TO_UINT (
291 color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
292 canvas_rect->property_fill_color_rgba() = stream_base_color;
298 StreamView::region_layered (RegionView* rv)
300 rv->get_canvas_group()->lower_to_bottom();
302 /* don't ever leave it at the bottom, since then it doesn't
303 get events - the parent group does instead ...
306 /* this used to be + 1, but regions to the left ended up below
307 ..something.. and couldn't receive events. why? good question.
309 rv->get_canvas_group()->raise (rv->region()->layer() + 2);
313 StreamView::rec_enable_changed ()
315 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
319 StreamView::sess_rec_enable_changed ()
321 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
325 StreamView::transport_changed()
327 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
331 StreamView::update_rec_box ()
333 if (rec_active && rec_rects.size() > 0) {
334 /* only update the last box */
335 RecBoxInfo & rect = rec_rects.back();
336 nframes_t at = _trackview.get_diskstream()->current_capture_end();
340 switch (_trackview.track()->mode()) {
342 rect.length = at - rect.start;
343 xstart = _trackview.editor.frame_to_pixel (rect.start);
344 xend = _trackview.editor.frame_to_pixel (at);
349 xstart = _trackview.editor.frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
350 xend = _trackview.editor.frame_to_pixel (at);
354 rect.rectangle->property_x1() = xstart;
355 rect.rectangle->property_x2() = xend;
360 StreamView::find_view (boost::shared_ptr<const Region> region)
362 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
364 if ((*i)->region() == region) {
372 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
374 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
380 StreamView::set_selected_regionviews (RegionSelection& regions)
384 // cerr << _trackview.name() << " (selected = " << regions.size() << ")" << endl;
385 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
389 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
395 // cerr << "\tregion " << (*i)->region().name() << " selected = " << selected << endl;
396 (*i)->set_selected (selected);
401 StreamView::get_selectables (nframes_t start, nframes_t end, list<Selectable*>& results)
403 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
404 if ((*i)->region()->coverage(start, end) != OverlapNone) {
405 results.push_back (*i);
411 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
413 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
414 if (!sel.regions.contains (*i)) {
415 results.push_back (*i);