diff options
author | Carl Hetherington <carl@carlh.net> | 2011-05-02 13:38:16 +0000 |
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committer | Carl Hetherington <carl@carlh.net> | 2011-05-02 13:38:16 +0000 |
commit | 988348185ece58b9af4ecc3a919e7f4862fa9a54 (patch) | |
tree | 7e5af4a639509127d075fd50c03b76261dd20d0a /gtk2_ardour/verbose_cursor.cc | |
parent | 5711425f187573caa53b040a81d39e3cca9f61f1 (diff) |
Separate verbose cursor out into its own class and clean up the API. Fixes #4010.
git-svn-id: svn://localhost/ardour2/branches/3.0@9455 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'gtk2_ardour/verbose_cursor.cc')
-rw-r--r-- | gtk2_ardour/verbose_cursor.cc | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/gtk2_ardour/verbose_cursor.cc b/gtk2_ardour/verbose_cursor.cc new file mode 100644 index 0000000000..9380b36c1a --- /dev/null +++ b/gtk2_ardour/verbose_cursor.cc @@ -0,0 +1,258 @@ +/* + Copyright (C) 2000-2011 Paul Davis + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + +*/ + +#include <string> +#include <gtkmm/enums.h> +#include "ardour/profile.h" +#include "editor.h" +#include "ardour_ui.h" +#include "verbose_cursor.h" +#include "utils.h" +#include "editor_drag.h" + +#include "i18n.h" + +using namespace std; +using namespace ARDOUR; + +VerboseCursor::VerboseCursor (Editor* editor) + : _editor (editor) + , _visible (false) +{ + Pango::FontDescription* font = get_font_for_style (N_("VerboseCanvasCursor")); + + _canvas_item = new ArdourCanvas::NoEventText (*_editor->track_canvas->root()); + _canvas_item->property_font_desc() = *font; + _canvas_item->property_anchor() = Gtk::ANCHOR_NW; + + delete font; +} + +ArdourCanvas::Item * +VerboseCursor::canvas_item () const +{ + return _canvas_item; +} + +void +VerboseCursor::set (string const & text, double x, double y) +{ + set_text (text); + set_position (x, y); +} + +void +VerboseCursor::set_text (string const & text) +{ + _canvas_item->property_text() = text.c_str(); +} + +void +VerboseCursor::show () +{ + _canvas_item->raise_to_top (); + _canvas_item->show (); + _visible = true; +} + +void +VerboseCursor::hide () +{ + _canvas_item->hide (); + _visible = false; +} + +double +VerboseCursor::clamp_x (double x) +{ + if (x < 0) { + x = 0; + } else { + x = min (_editor->_canvas_width - 200.0, x); + } + return x; +} + +double +VerboseCursor::clamp_y (double y) +{ + if (y < _editor->canvas_timebars_vsize) { + y = _editor->canvas_timebars_vsize; + } else { + y = min (_editor->_canvas_height - 50, y); + } + return y; +} + +void +VerboseCursor::set_time (framepos_t frame, double x, double y) +{ + char buf[128]; + Timecode::Time timecode; + Timecode::BBT_Time bbt; + int hours, mins; + framepos_t frame_rate; + float secs; + + if (_editor->_session == 0) { + return; + } + + AudioClock::Mode m; + + if (Profile->get_sae() || Profile->get_small_screen()) { + m = ARDOUR_UI::instance()->primary_clock.mode(); + } else { + m = ARDOUR_UI::instance()->secondary_clock.mode(); + } + + switch (m) { + case AudioClock::BBT: + _editor->_session->bbt_time (frame, bbt); + snprintf (buf, sizeof (buf), "%02" PRIu32 "|%02" PRIu32 "|%02" PRIu32, bbt.bars, bbt.beats, bbt.ticks); + break; + + case AudioClock::Timecode: + _editor->_session->timecode_time (frame, timecode); + snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%02" PRId32 ":%02" PRId32, timecode.hours, timecode.minutes, timecode.seconds, timecode.frames); + break; + + case AudioClock::MinSec: + /* XXX this is copied from show_verbose_duration_cursor() */ + frame_rate = _editor->_session->frame_rate(); + hours = frame / (frame_rate * 3600); + frame = frame % (frame_rate * 3600); + mins = frame / (frame_rate * 60); + frame = frame % (frame_rate * 60); + secs = (float) frame / (float) frame_rate; + snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%07.4f", hours, mins, secs); + break; + + default: + snprintf (buf, sizeof(buf), "%" PRIi64, frame); + break; + } + + set (buf, x, y); +} + +void +VerboseCursor::set_duration (framepos_t start, framepos_t end, double x, double y) +{ + char buf[128]; + Timecode::Time timecode; + Timecode::BBT_Time sbbt; + Timecode::BBT_Time ebbt; + int hours, mins; + framepos_t distance, frame_rate; + float secs; + Meter meter_at_start (_editor->_session->tempo_map().meter_at(start)); + + if (_editor->_session == 0) { + return; + } + + AudioClock::Mode m; + + if (Profile->get_sae() || Profile->get_small_screen()) { + m = ARDOUR_UI::instance()->primary_clock.mode (); + } else { + m = ARDOUR_UI::instance()->secondary_clock.mode (); + } + + switch (m) { + case AudioClock::BBT: + { + _editor->_session->bbt_time (start, sbbt); + _editor->_session->bbt_time (end, ebbt); + + /* subtract */ + /* XXX this computation won't work well if the + user makes a selection that spans any meter changes. + */ + + /* use signed integers for the working values so that + we can underflow. + */ + + int ticks = ebbt.ticks; + int beats = ebbt.beats; + int bars = ebbt.bars; + + ticks -= sbbt.ticks; + if (ticks < 0) { + ticks += int (Timecode::BBT_Time::ticks_per_beat); + --beats; + } + + beats -= sbbt.beats; + if (beats < 0) { + beats += int (meter_at_start.beats_per_bar()); + --bars; + } + + bars -= sbbt.bars; + + snprintf (buf, sizeof (buf), "%02" PRIu32 "|%02" PRIu32 "|%02" PRIu32, bars, beats, ticks); + break; + } + + case AudioClock::Timecode: + _editor->_session->timecode_duration (end - start, timecode); + snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%02" PRId32 ":%02" PRId32, timecode.hours, timecode.minutes, timecode.seconds, timecode.frames); + break; + + case AudioClock::MinSec: + /* XXX this stuff should be elsewhere.. */ + distance = end - start; + frame_rate = _editor->_session->frame_rate(); + hours = distance / (frame_rate * 3600); + distance = distance % (frame_rate * 3600); + mins = distance / (frame_rate * 60); + distance = distance % (frame_rate * 60); + secs = (float) distance / (float) frame_rate; + snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%07.4f", hours, mins, secs); + break; + + default: + snprintf (buf, sizeof(buf), "%" PRIi64, end - start); + break; + } + + set (buf, x, y); +} + +void +VerboseCursor::set_color (uint32_t color) +{ + _canvas_item->property_fill_color_rgba() = color; +} + +void +VerboseCursor::set_position (double x, double y) +{ + _canvas_item->property_x() = clamp_x (x); + _canvas_item->property_y() = clamp_y (y); +} + +bool +VerboseCursor::visible () const +{ + return _visible; +} |