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 , last_rec_data_frame(0)
62 /* set_position() will position the group */
64 canvas_rect = new ArdourCanvas::SimpleRect (*canvas_group);
65 canvas_rect->property_x1() = 0.0;
66 canvas_rect->property_y1() = 0.0;
67 canvas_rect->property_x2() = _trackview.editor.frame_to_pixel (max_frames);
68 canvas_rect->property_y2() = (double) tv.height;
69 canvas_rect->property_outline_what() = (guint32) (0x1|0x2|0x8); // outline ends and bottom
70 // (Fill/Outline colours set in derived classes)
72 canvas_rect->signal_event().connect (bind (mem_fun (_trackview.editor, &PublicEditor::canvas_stream_view_event), canvas_rect, &_trackview));
74 if (_trackview.is_track()) {
75 _trackview.track()->DiskstreamChanged.connect (mem_fun (*this, &StreamView::diskstream_changed));
76 _trackview.session().TransportStateChange.connect (mem_fun (*this, &StreamView::transport_changed));
77 _trackview.get_diskstream()->RecordEnableChanged.connect (mem_fun (*this, &StreamView::rec_enable_changed));
78 _trackview.session().RecordStateChanged.connect (mem_fun (*this, &StreamView::sess_rec_enable_changed));
81 ColorChanged.connect (mem_fun (*this, &StreamView::color_handler));
84 StreamView::~StreamView ()
86 undisplay_diskstream ();
93 if (_trackview.is_track()) {
94 display_diskstream (_trackview.get_diskstream());
99 StreamView::set_position (gdouble x, gdouble y)
101 canvas_group->property_x() = x;
102 canvas_group->property_y() = y;
107 StreamView::set_height (double h)
109 /* limit the values to something sane-ish */
110 if (h < 10.0 || h > 1000.0) {
114 if (canvas_rect->property_y2() == h) {
119 update_contents_y_position_and_height ();
124 StreamView::set_samples_per_unit (gdouble spp)
126 RegionViewList::iterator i;
132 _samples_per_unit = spp;
134 for (i = region_views.begin(); i != region_views.end(); ++i) {
135 (*i)->set_samples_per_unit (spp);
138 for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
139 RecBoxInfo &recbox = (*xi);
141 gdouble xstart = _trackview.editor.frame_to_pixel ( recbox.start );
142 gdouble xend = _trackview.editor.frame_to_pixel ( recbox.start + recbox.length );
144 recbox.rectangle->property_x1() = xstart;
145 recbox.rectangle->property_x2() = xend;
152 StreamView::add_region_view (boost::shared_ptr<Region> r)
154 add_region_view_internal (r, true);
155 update_contents_y_position_and_height ();
159 StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
161 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::remove_region_view), weak_r));
163 boost::shared_ptr<Region> r (weak_r.lock());
169 for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
170 if (((*i)->region()) == r) {
172 region_views.erase (i);
179 StreamView::undisplay_diskstream ()
181 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
185 region_views.clear();
189 StreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
191 playlist_change_connection.disconnect();
192 playlist_changed (ds);
193 playlist_change_connection = ds->PlaylistChanged.connect (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
197 StreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
199 boost::shared_ptr<Diskstream> sp (ds.lock());
204 playlist_modified (sp);
208 StreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
210 /* we do not allow shared_ptr<T> to be bound to slots */
211 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_modified_weak), ds));
213 /* update layers count and the y positions and heights of our regions */
214 layers = ds->playlist()->top_layer() + 1;
215 update_contents_y_position_and_height ();
217 redisplay_diskstream ();
221 StreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
223 /* XXX: binding to a shared_ptr, is this ok? */
224 ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
226 /* disconnect from old playlist */
228 for (vector<sigc::connection>::iterator i = playlist_connections.begin(); i != playlist_connections.end(); ++i) {
232 playlist_connections.clear();
233 undisplay_diskstream ();
237 redisplay_diskstream ();
241 playlist_connections.push_back (ds->playlist()->Modified.connect (bind (mem_fun (*this, &StreamView::playlist_modified_weak), ds)));
243 /* update layers count and the y positions and heights of our regions */
244 layers = ds->playlist()->top_layer() + 1;
245 update_contents_y_position_and_height ();
249 StreamView::diskstream_changed ()
253 if ((t = _trackview.track()) != 0) {
254 Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun (*this, &StreamView::display_diskstream), t->diskstream()));
256 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::undisplay_diskstream));
261 StreamView::apply_color (Gdk::Color& color, ColorTarget target)
264 list<RegionView *>::iterator i;
268 region_color = color;
269 for (i = region_views.begin(); i != region_views.end(); ++i) {
270 (*i)->set_color (region_color);
274 case StreamBaseColor:
275 stream_base_color = RGBA_TO_UINT (
276 color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
277 canvas_rect->property_fill_color_rgba() = stream_base_color;
283 StreamView::region_layered (RegionView* rv)
285 rv->get_canvas_group()->lower_to_bottom();
287 /* don't ever leave it at the bottom, since then it doesn't
288 get events - the parent group does instead ...
291 /* this used to be + 1, but regions to the left ended up below
292 ..something.. and couldn't receive events. why? good question.
294 rv->get_canvas_group()->raise (rv->region()->layer() + 2);
298 StreamView::rec_enable_changed ()
300 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
304 StreamView::sess_rec_enable_changed ()
306 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
310 StreamView::transport_changed()
312 Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
316 StreamView::update_rec_box ()
318 if (rec_active && rec_rects.size() > 0) {
319 /* only update the last box */
320 RecBoxInfo & rect = rec_rects.back();
321 nframes_t at = _trackview.get_diskstream()->current_capture_end();
325 switch (_trackview.track()->mode()) {
327 rect.length = at - rect.start;
328 xstart = _trackview.editor.frame_to_pixel (rect.start);
329 xend = _trackview.editor.frame_to_pixel (at);
334 xstart = _trackview.editor.frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
335 xend = _trackview.editor.frame_to_pixel (at);
339 rect.rectangle->property_x1() = xstart;
340 rect.rectangle->property_x2() = xend;
345 StreamView::find_view (boost::shared_ptr<const Region> region)
347 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
349 if ((*i)->region() == region) {
357 StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
359 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
365 StreamView::set_selected_regionviews (RegionSelection& regions)
369 // cerr << _trackview.name() << " (selected = " << regions.size() << ")" << endl;
370 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
374 for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
380 // cerr << "\tregion " << (*i)->region().name() << " selected = " << selected << endl;
381 (*i)->set_selected (selected);
386 StreamView::get_selectables (nframes_t start, nframes_t end, list<Selectable*>& results)
388 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
389 if ((*i)->region()->coverage(start, end) != OverlapNone) {
390 results.push_back (*i);
396 StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
398 for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
399 if (!sel.regions.contains (*i)) {
400 results.push_back (*i);
406 StreamView::update_contents_y_position_and_height ()
408 canvas_rect->property_y2() = height;
410 const double lh = height / layers;
412 for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
413 switch (layer_display) {
415 (*i)->set_y_position_and_height (0, height);
418 double const y = (*i)->region()->layer() * lh;
419 (*i)->set_y_position_and_height (y, lh);
424 for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
425 i->rectangle->property_y2() = height - 1.0;
430 StreamView::set_layer_display (LayerDisplay d)
433 update_contents_y_position_and_height ();