2 * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 #include "ardour/audioengine.h"
20 #include "ardour/session.h"
21 #include "ardour/tempo.h"
23 #include "gtkmm2ext/gui_thread.h"
24 #include "gtkmm2ext/keyboard.h"
26 #include "canvas/colors.h"
27 #include "canvas/utils.h"
29 #include "ardour_ui.h"
30 #include "public_editor.h"
31 #include "main_clock.h"
32 #include "mini_timeline.h"
34 #include "ui_config.h"
38 #define BBT_BAR_CHAR "|"
40 using namespace ARDOUR;
42 MiniTimeline::MiniTimeline ()
43 : _last_update_frame (-1)
44 , _clock_mode (AudioClock::Timecode)
49 , _time_granularity (0)
50 , _time_span_samples (0)
52 _layout = Pango::Layout::create (get_pango_context());
54 UIConfiguration::instance().ColorsChanged.connect (sigc::mem_fun (*this, &MiniTimeline::set_colors));
55 UIConfiguration::instance().DPIReset.connect (sigc::mem_fun (*this, &MiniTimeline::on_name_changed));
56 UIConfiguration::instance().DPIReset.connect (sigc::mem_fun (*this, &MiniTimeline::on_name_changed));
58 set_name ("minitimeline");
60 Location::name_changed.connect (marker_connection, invalidator (*this), boost::bind (&MiniTimeline::update_minitimeline, this), gui_context ());
61 Location::end_changed.connect (marker_connection, invalidator (*this), boost::bind (&MiniTimeline::update_minitimeline, this), gui_context ());
62 Location::start_changed.connect (marker_connection, invalidator (*this), boost::bind (&MiniTimeline::update_minitimeline, this), gui_context ());
63 Location::flags_changed.connect (marker_connection, invalidator (*this), boost::bind (&MiniTimeline::update_minitimeline, this), gui_context ());
67 MiniTimeline::~MiniTimeline ()
72 MiniTimeline::session_going_away ()
74 super_rapid_connection.disconnect ();
75 session_connection.drop_connections ();
76 SessionHandlePtr::session_going_away ();
81 MiniTimeline::set_session (Session* s)
83 SessionHandlePtr::set_session (s);
88 assert (!super_rapid_connection.connected ());
89 super_rapid_connection = Timers::super_rapid_connect (
90 sigc::mem_fun (*this, &MiniTimeline::super_rapid_update)
93 _session->config.ParameterChanged.connect (session_connection,
95 boost::bind (&MiniTimeline::parameter_changed, this, _1), gui_context()
97 _session->locations()->added.connect (session_connection,
99 boost::bind (&MiniTimeline::update_minitimeline, this), gui_context()
101 _session->locations()->removed.connect (session_connection,
103 boost::bind (&MiniTimeline::update_minitimeline, this), gui_context()
105 _session->locations()->changed.connect (session_connection,
107 boost::bind (&MiniTimeline::update_minitimeline, this), gui_context()
111 calculate_time_spacing ();
112 update_minitimeline ();
116 MiniTimeline::on_style_changed (const Glib::RefPtr<Gtk::Style>& old_style)
118 CairoWidget::on_style_changed (old_style);
120 calculate_time_width ();
124 MiniTimeline::on_name_changed ()
127 calculate_time_width ();
135 MiniTimeline::set_colors ()
137 // TODO UIConfiguration::instance().color & font
141 MiniTimeline::parameter_changed (std::string const& p)
143 if (p == "minitimeline-span") {
144 calculate_time_spacing ();
145 update_minitimeline ();
150 MiniTimeline::on_size_request (Gtk::Requisition* req)
152 req->width = req->height = 0;
153 CairoWidget::on_size_request (req);
155 req->width = std::max (req->width, 1);
156 req->height = std::max (req->height, 20);
160 MiniTimeline::on_size_allocate (Gtk::Allocation& alloc)
162 CairoWidget::on_size_allocate (alloc);
163 calculate_time_spacing ();
167 MiniTimeline::super_rapid_update ()
169 if (!_session || !_session->engine().running()) {
172 framepos_t const frame = PublicEditor::instance().playhead_cursor_sample ();
173 AudioClock::Mode m = ARDOUR_UI::instance()->primary_clock->mode();
176 if (fabs ((_last_update_frame - frame) * _px_per_sample) >= 1.0) {
180 if (m != _clock_mode) {
182 calculate_time_width ();
187 _last_update_frame = frame;
188 update_minitimeline ();
193 MiniTimeline::update_minitimeline ()
195 CairoWidget::set_dirty ();
199 MiniTimeline::calculate_time_width ()
201 switch (_clock_mode) {
202 case AudioClock::Timecode:
203 _layout->set_text (" 88:88:88,888 ");
205 case AudioClock::BBT:
206 _layout->set_text ("888|88|8888");
208 case AudioClock::MinSec:
209 _layout->set_text ("88:88:88,88");
211 case AudioClock::Frames:
212 _layout->set_text ("8888888888");
215 _layout->get_pixel_size (_time_width, _time_height);
219 MiniTimeline::calculate_time_spacing ()
221 _n_labels = floor (get_width () / (_time_width * 1.15));
223 if (_n_labels == 0 || !_session) {
227 const framepos_t time_span = _session->config.get_minitimeline_span () / 2;
228 _time_span_samples = time_span * _session->nominal_frame_rate ();
229 _time_granularity = _session->nominal_frame_rate () * ceil (2. * time_span / _n_labels);
230 _px_per_sample = get_width () / (2. * _time_span_samples);
231 //_px_per_sample = 1.0 / round (1.0 / _px_per_sample);
235 MiniTimeline::format_time (framepos_t when)
237 switch (_clock_mode) {
238 case AudioClock::Timecode:
241 _session->timecode_time (when, TC);
242 // chop of leading space or minus.
243 _layout->set_text (Timecode::timecode_format_time (TC).substr(1));
246 case AudioClock::BBT:
249 Timecode::BBT_Time BBT = _session->tempo_map().bbt_at_frame (when);
250 snprintf (buf, sizeof (buf), "%03" PRIu32 BBT_BAR_CHAR "%02" PRIu32 BBT_BAR_CHAR "%04" PRIu32,
251 BBT.bars, BBT.beats, BBT.ticks);
252 _layout->set_text (buf);
255 case AudioClock::MinSec:
258 AudioClock::print_minsec (when, buf, sizeof (buf), _session->frame_rate());
259 _layout->set_text (std::string(buf).substr(1));
262 case AudioClock::Frames:
265 snprintf (buf, sizeof (buf), "%" PRId64, when);
266 _layout->set_text (buf);
273 MiniTimeline::draw_dots (cairo_t* cr, int left, int right, int y, ArdourCanvas::Color color)
275 if (left + 1 >= right) {
278 cairo_move_to (cr, left + .5, y + .5);
279 cairo_line_to (cr, right - .5, y + .5);
280 ArdourCanvas::set_source_rgb_a(cr, color, 0.3);
281 const double dashes[] = { 0, 1 };
282 cairo_set_dash (cr, dashes, 2, 1);
283 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
284 cairo_set_line_width (cr, 1.0);
286 cairo_set_dash (cr, 0, 0, 0);
290 MiniTimeline::draw_mark (cairo_t* cr, int x0, int x1, int h, const std::string& label)
292 /* ArdourMarker shape
300 * (0,MH*.4) (6,MH*.4)
306 int w2 = (h - 1) / 4;
311 _layout->set_text (label);
312 _layout->get_pixel_size (lw, lh);
314 // TODO cache, set_colors()
315 uint32_t color = UIConfiguration::instance().color ("location marker");
317 ArdourCanvas::color_to_rgba (color, r, g, b, a);
319 int rw = std::min (x1, x0 + w2 + lw + 2);
324 cairo_rectangle (cr, x0, y, rw - x0, h);
325 cairo_set_source_rgba (cr, r, g, b, 0.5); // this should use a shaded color
326 cairo_fill_preserve (cr);
330 cairo_move_to (cr, x0 + w2, y + .5 * (h - lh));
331 cairo_set_source_rgb (cr, 0, 0, 0);
332 pango_cairo_show_layout (cr, _layout->gobj());
336 // draw marker on top
337 cairo_move_to (cr, x0 - .5, y + .5);
338 cairo_rel_line_to (cr, -w2 , 0 );
339 cairo_rel_line_to (cr, 0, h0);
340 cairo_rel_line_to (cr, w2, h1);
341 cairo_rel_line_to (cr, w2, -h1);
342 cairo_rel_line_to (cr, 0, -h0);
343 cairo_close_path (cr);
344 cairo_set_source_rgba (cr, r, g, b, 1.0);
345 cairo_set_line_width (cr, 1.0);
346 cairo_stroke_preserve (cr);
352 struct LocationMarker {
353 LocationMarker (const std::string& l, framepos_t w)
354 : label (l), when (w) {}
359 struct LocationMarkerSort {
360 bool operator() (const LocationMarker& a, const LocationMarker& b) {
361 return (a.when < b.when);
366 MiniTimeline::render (cairo_t* cr, cairo_rectangle_t*)
368 // TODO cache, set_colors()
369 ArdourCanvas::Color base = UIConfiguration::instance().color ("ruler base");
370 ArdourCanvas::Color text = UIConfiguration::instance().color ("ruler text");
372 if (_n_labels == 0) {
376 Gtkmm2ext::rounded_rectangle (cr, 0, 0, get_width(), get_height(), 4);
377 ArdourCanvas::set_source_rgba(cr, base);
380 Gtkmm2ext::rounded_rectangle (cr, 3, 3, get_width()-6, get_height()-6, 4);
389 const framepos_t p = _last_update_frame;
390 const framepos_t lower = (std::max ((framepos_t)0, (p - _time_span_samples)) / _time_granularity) * _time_granularity;
392 int dot_left = get_width() * .5 + (lower - p) * _px_per_sample;
393 for (int i = 0; i < 2 + _n_labels; ++i) {
394 framepos_t when = lower + i * _time_granularity;
395 double xpos = get_width() * .5 + (when - p) * _px_per_sample;
397 // TODO round to nearest display TC in +/- 1px
398 // prefer to display BBT |0 or .0
402 _layout->get_pixel_size (lw, lh);
404 int x0 = xpos - lw / 2.0;
405 int y0 = get_height() - 3 - _time_height;
407 draw_dots (cr, dot_left, x0, y0 + _time_height * .5, text);
409 cairo_move_to (cr, x0, y0);
410 ArdourCanvas::set_source_rgba(cr, text);
411 pango_cairo_show_layout (cr, _layout->gobj());
414 draw_dots (cr, dot_left, get_width(), get_height() - 3 - _time_height * .5, text);
417 framepos_t lmin = std::max ((framepos_t)0, (p - _time_span_samples));
418 framepos_t lmax = p + _time_span_samples;
421 _layout->set_text (X_("Marker@"));
422 _layout->get_pixel_size (tw, th);
424 const int mh = th + 2;
426 const int mw = (mh - 1) / 4;
428 lmin -= mw / _px_per_sample;
429 lmax += mw / _px_per_sample;
431 std::vector<LocationMarker> lm;
433 const Locations::LocationList& ll (_session->locations ()->list ());
434 for (Locations::LocationList::const_iterator l = ll.begin(); l != ll.end(); ++l) {
435 if ((*l)->is_session_range ()) {
436 framepos_t when = (*l)->start ();
437 if (when >= lmin && when <= lmax) {
438 lm.push_back (LocationMarker(_("start"), when));
441 if (when >= lmin && when <= lmax) {
442 lm.push_back (LocationMarker(_("end"), when));
447 if (!(*l)->is_mark () || (*l)->name().substr (0, 4) == "xrun") {
451 framepos_t when = (*l)->start ();
452 if (when < lmin || when > lmax) {
455 lm.push_back (LocationMarker((*l)->name(), when));
460 LocationMarkerSort location_marker_sort;
461 std::sort (lm.begin(), lm.end(), location_marker_sort);
463 for (std::vector<LocationMarker>::const_iterator l = lm.begin(); l != lm.end();) {
464 framepos_t when = (*l).when;
465 int x0 = floor (get_width() * .5 + (when - p) * _px_per_sample);
466 int x1 = get_width();
467 const std::string& label = (*l).label;
468 if (++l != lm.end()) {
469 x1 = floor (get_width() * .5 + ((*l).when - p) * _px_per_sample) - 1 - mw;
471 x1 = draw_mark (cr, x0, x1, mh, label);
472 _jumplist.push_back (JumpRange (x0 - mw, x1, when));
475 /* playhead on top */
476 int xc = get_width () * 0.5f;
477 cairo_set_line_width (cr, 1.0);
478 cairo_set_source_rgb (cr, 1, 0, 0); // playhead color
479 cairo_move_to (cr, xc - .5, 0);
480 cairo_rel_line_to (cr, 0, get_height ());
482 cairo_move_to (cr, xc - .5, get_height ());
483 cairo_rel_line_to (cr, -3, 0);
484 cairo_rel_line_to (cr, 3, -4);
485 cairo_rel_line_to (cr, 3, 4);
486 cairo_close_path (cr);
491 MiniTimeline::on_button_release_event (GdkEventButton *ev)
493 if (!_session) { return true; }
495 for (JumpList::const_iterator i = _jumplist.begin (); i != _jumplist.end(); ++i) {
496 if (i->left < ev->x && ev->x < i->right) {
497 if (ev->button == 3) {
498 PublicEditor::instance().center_screen (i->to);
499 } else if (ev->button == 1) {
500 _session->request_locate (i->to, _session->transport_rolling ());
506 if (ev->button == 1) {
507 framepos_t when = _last_update_frame + (ev->x - get_width() * .5) / _px_per_sample;
508 _session->request_locate (std::max ((framepos_t)0, when), _session->transport_rolling ());
515 MiniTimeline::on_scroll_event (GdkEventScroll *ev)
517 if (!_session) { return true; }
518 framepos_t when = _session->audible_frame ();
521 if (ev->state & Gtkmm2ext::Keyboard::GainFineScaleModifier) {
522 if (ev->state & Gtkmm2ext::Keyboard::GainExtraFineScaleModifier) {
529 switch (ev->direction) {
531 when += scale * _session->nominal_frame_rate ();
533 case GDK_SCROLL_DOWN:
534 when -= scale * _session->nominal_frame_rate ();
540 _session->request_locate (std::max ((framepos_t)0, when), _session->transport_rolling ());