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 (Region *r)
163 add_region_view_internal (r, true);
167 StreamView::remove_region_view (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);
181 StreamView::remove_rec_region (Region *r)
183 ENSURE_GUI_THREAD(bind (mem_fun (*this, &StreamView::remove_rec_region), r));
185 if (!Gtkmm2ext::UI::instance()->caller_is_ui_thread()) {
186 fatal << "region deleted from non-GUI thread!" << endmsg;
190 for (list<Region *>::iterator i = rec_regions.begin(); i != rec_regions.end(); ++i) {
192 rec_regions.erase (i);
199 StreamView::undisplay_diskstream ()
201 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
205 region_views.clear();
209 StreamView::display_diskstream (Diskstream *ds)
211 playlist_change_connection.disconnect();
212 playlist_changed (ds);
213 playlist_change_connection = ds->PlaylistChanged.connect (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
217 StreamView::playlist_modified ()
219 ENSURE_GUI_THREAD (mem_fun (*this, &StreamView::playlist_modified));
221 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
227 StreamView::playlist_changed (Diskstream *ds)
229 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
231 /* disconnect from old playlist */
233 for (vector<sigc::connection>::iterator i = playlist_connections.begin(); i != playlist_connections.end(); ++i) {
237 playlist_connections.clear();
238 undisplay_diskstream ();
242 redisplay_diskstream ();
246 playlist_connections.push_back (ds->playlist()->RegionAdded.connect (mem_fun (*this, &StreamView::add_region_view)));
247 playlist_connections.push_back (ds->playlist()->RegionRemoved.connect (mem_fun (*this, &StreamView::remove_region_view)));
248 playlist_connections.push_back (ds->playlist()->StateChanged.connect (mem_fun (*this, &StreamView::playlist_state_changed)));
249 playlist_connections.push_back (ds->playlist()->Modified.connect (mem_fun (*this, &StreamView::playlist_modified)));
253 StreamView::playlist_state_changed (Change ignored)
255 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_state_changed), ignored));
257 redisplay_diskstream ();
261 StreamView::diskstream_changed ()
265 if ((t = _trackview.track()) != 0) {
266 Diskstream& ds = t->diskstream();
267 /* XXX grrr: when will SigC++ allow me to bind references? */
268 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun (*this, &StreamView::display_diskstream), &ds));
270 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::undisplay_diskstream));
275 StreamView::apply_color (Gdk::Color& color, ColorTarget target)
278 list<RegionView *>::iterator i;
282 region_color = color;
283 for (i = region_views.begin(); i != region_views.end(); ++i) {
284 (*i)->set_color (region_color);
288 case StreamBaseColor:
289 stream_base_color = RGBA_TO_UINT (
290 color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
291 canvas_rect->property_fill_color_rgba() = stream_base_color;
297 StreamView::region_layered (RegionView* rv)
299 rv->get_canvas_group()->lower_to_bottom();
301 /* don't ever leave it at the bottom, since then it doesn't
302 get events - the parent group does instead ...
305 /* this used to be + 1, but regions to the left ended up below
306 ..something.. and couldn't receive events. why? good question.
308 rv->get_canvas_group()->raise (rv->region().layer() + 2);
312 StreamView::rec_enable_changed ()
314 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
318 StreamView::sess_rec_enable_changed ()
320 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
324 StreamView::transport_changed()
326 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
330 StreamView::update_rec_box ()
332 if (rec_active && rec_rects.size() > 0) {
333 /* only update the last box */
334 RecBoxInfo & rect = rec_rects.back();
335 jack_nframes_t at = _trackview.get_diskstream()->current_capture_end();
339 switch (_trackview.track()->mode()) {
341 rect.length = at - rect.start;
342 xstart = _trackview.editor.frame_to_pixel (rect.start);
343 xend = _trackview.editor.frame_to_pixel (at);
348 xstart = _trackview.editor.frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
349 xend = _trackview.editor.frame_to_pixel (at);
353 rect.rectangle->property_x1() = xstart;
354 rect.rectangle->property_x2() = xend;
359 StreamView::find_view (const Region& region)
361 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
363 if (&(*i)->region() == ®ion) {
371 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
373 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
379 StreamView::set_selected_regionviews (RegionSelection& regions)
383 // cerr << _trackview.name() << " (selected = " << regions.size() << ")" << endl;
384 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
388 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
394 // cerr << "\tregion " << (*i)->region().name() << " selected = " << selected << endl;
395 (*i)->set_selected (selected);
400 StreamView::get_selectables (jack_nframes_t start, jack_nframes_t end, list<Selectable*>& results)
402 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
403 if ((*i)->region().coverage(start, end) != OverlapNone) {
404 results.push_back (*i);
410 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
412 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
413 if (!sel.regions.contains (*i)) {
414 results.push_back (*i);