13
0
livetrax/gtk2_ardour/beatbox_gui.cc

1187 lines
34 KiB
C++

/*
Copyright (C) 2017 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 <cstdlib>
#include <ctime>
#include <boost/math/common_factor.hpp>
#include "pbd/compose.h"
#include "pbd/i18n.h"
#include "ardour/beatbox.h"
#include "ardour/parameter_descriptor.h"
#include "ardour/session.h"
#include "ardour/smf_source.h"
#include "ardour/source_factory.h"
#include "ardour/step_sequencer.h"
#include "ardour/region.h"
#include "ardour/region_factory.h"
#include "ardour/utils.h"
#include "canvas/canvas.h"
#include "canvas/grid.h"
#include "canvas/box.h"
#include "canvas/rectangle.h"
#include "canvas/polygon.h"
#include "canvas/scroll_group.h"
#include "canvas/step_button.h"
#include "canvas/text.h"
#include "canvas/widget.h"
#include "gtkmm2ext/gui_thread.h"
#include "gtkmm2ext/utils.h"
#include "gtkmm2ext/colors.h"
#include "beatbox_gui.h"
#include "floating_text_entry.h"
#include "timers.h"
#include "ui_config.h"
using namespace PBD;
using namespace ARDOUR;
using namespace Gtkmm2ext;
using namespace ArdourCanvas;
using std::cerr;
using std::endl;
const double _step_dimen = 32;
BBGUI::BBGUI (boost::shared_ptr<BeatBox> bb)
: ArdourDialog (_("BeatBox"))
, bbox (bb)
, horizontal_adjustment (0.0, 0.0, 800.0)
, vertical_adjustment (0.0, 0.0, 10.0, 400.0)
, vscrollbar (vertical_adjustment)
, mode_velocity_button (_("Velocity"))
, mode_pitch_button (_("Pitch"))
, mode_octave_button (_("Octave"))
, mode_group_button (_("Group"))
, mode_duration_button (_("Gate"))
{
_canvas_viewport = new GtkCanvasViewport (horizontal_adjustment, vertical_adjustment);
_canvas = _canvas_viewport->canvas();
_canvas->set_background_color (UIConfiguration::instance().color ("gtk_bases"));
_canvas->use_nsglview ();
_sequencer = new SequencerGrid (bbox->sequencer(), _canvas);
canvas_hbox.pack_start (*_canvas_viewport, true, true);
canvas_hbox.pack_start (vscrollbar, false, false);
get_vbox()->set_spacing (12);
get_vbox()->pack_start (mode_box, false, false);
get_vbox()->pack_start (canvas_hbox, true, true);
export_as_region_button.signal_clicked.connect (sigc::mem_fun (*this, &BBGUI::export_as_region));
get_action_area()->pack_end (export_as_region_button);
bbox->sequencer().PropertyChanged.connect (sequencer_connection, invalidator (*this), boost::bind (&BBGUI::sequencer_changed, this, _1), gui_context());
{
/* trigger initial draw */
PropertyChange pc;
sequencer_changed (pc);
}
show_all ();
}
BBGUI::~BBGUI ()
{
}
void
BBGUI::update ()
{
_sequencer->update ();
}
void
BBGUI::on_map ()
{
timer_connection = Timers::rapid_connect (sigc::mem_fun (*this, &BBGUI::update));
ArdourDialog::on_map ();
}
void
BBGUI::on_unmap ()
{
timer_connection.disconnect ();
ArdourDialog::on_unmap ();
}
#if 0
bool
BBGUI::SwitchRow::switch_event (GdkEvent* ev, int col)
{
Timecode::BBT_Time at;
const int beats_per_bar = owner.bbox->meter_beats();
at.bars = col / beats_per_bar;
at.beats = col % beats_per_bar;
at.ticks = 0;
at.bars++;
at.beats++;
Switch* s = switches[col];
if (ev->type == GDK_BUTTON_PRESS) {
/* XXX changes hould be driven by model */
if (s->button->value()) {
owner.bbox->remove_note (note, at);
s->button->set_value (0);
} else {
s->button->set_value (64);
owner.bbox->add_note (note, rint (s->button->value()), at);
}
return true;
} else if (ev->type == GDK_SCROLL) {
switch (ev->scroll.direction) {
case GDK_SCROLL_UP:
case GDK_SCROLL_RIGHT:
s->button->set_value (s->button->value() + 1);
break;
case GDK_SCROLL_DOWN:
case GDK_SCROLL_LEFT:
s->button->set_value (s->button->value() - 1);
break;
}
return true;
}
return false;
}
#endif
void
BBGUI::clear ()
{
}
void
BBGUI::export_as_region ()
{
std::string path = bbox->session().new_midi_source_path (bbox->owner()->name());
boost::shared_ptr<SMFSource> src;
/* caller must check for pre-existing file */
assert (!path.empty());
assert (!Glib::file_test (path, Glib::FILE_TEST_EXISTS));
src = boost::dynamic_pointer_cast<SMFSource>(SourceFactory::createWritable (DataType::MIDI, bbox->session(), path, false, bbox->session().sample_rate()));
try {
if (src->create (path)) {
return;
}
} catch (...) {
return;
}
if (!bbox->fill_source (src)) {
return;
}
std::string region_name = region_name_from_path (src->name(), true);
PBD::PropertyList plist;
plist.add (ARDOUR::Properties::start, 0);
plist.add (ARDOUR::Properties::length, src->length (0));
plist.add (ARDOUR::Properties::name, region_name);
plist.add (ARDOUR::Properties::layer, 0);
plist.add (ARDOUR::Properties::whole_file, true);
plist.add (ARDOUR::Properties::external, false);
boost::shared_ptr<Region> region = RegionFactory::create (src, plist, true);
}
void
BBGUI::sequencer_changed (PropertyChange const &)
{
const size_t nsteps = bbox->sequencer().step_capacity ();
const size_t nsequences = bbox->sequencer().nsequences();
_width = _step_dimen * nsteps;
_height = (_step_dimen * (1+nsequences)) + SequencerGrid::mode_button_ydim;
size_t required_scroll = _height - _canvas_viewport->get_allocation().get_height();
vertical_adjustment.set_upper (required_scroll);
/* height is 1 step_dimen larger to accomodate the "step indicator"
* line at the top
*/
_canvas_viewport->set_size_request (SequencerGrid::rhs_xoffset + _width, _height);
}
/**/
Gtkmm2ext::Color SequencerGrid::current_mode_color = Gtkmm2ext::Color (0);
Gtkmm2ext::Color SequencerGrid::not_current_mode_color = Gtkmm2ext::Color (0);
double SequencerGrid::rhs_xoffset = 250.0;
double SequencerGrid::mode_button_width = 110.0;
double SequencerGrid::mode_button_height = 60.0;
double SequencerGrid::mode_button_spacing = 10;
double SequencerGrid::mode_button_xdim = mode_button_width + mode_button_spacing;
double SequencerGrid::mode_button_ydim = mode_button_height + mode_button_spacing;
SequencerGrid::SequencerGrid (StepSequencer& s, Canvas* c)
: Rectangle (c)
, _sequencer (s)
, _mode (Velocity)
, step_indicator_bg (0)
{
if (current_mode_color == 0) {
current_mode_color = UIConfiguration::instance().color ("gtk_lightest");
not_current_mode_color = contrasting_text_color (current_mode_color);
}
const Duple mode_button_center (mode_button_width/2.0, mode_button_height/2.0);
no_scroll_group = new ArdourCanvas::Container (_canvas->root());
step_indicator_box = new ArdourCanvas::HBox (no_scroll_group);
step_indicator_box->set_position (Duple (rhs_xoffset, mode_button_height + (mode_button_spacing * 2.0)));
step_indicator_box->name = "step_indicator_box";
v_scroll_group = new ScrollGroup (_canvas->root(), ScrollGroup::ScrollsVertically);
_canvas->add_scroller (*v_scroll_group);
v_scroll_group->add (this);
velocity_mode_button = new Rectangle (no_scroll_group);
velocity_mode_button->set_corner_radius (10.0);
velocity_mode_button->set_position (Duple (rhs_xoffset, mode_button_spacing));
velocity_mode_button->set (Rect (0, 0, mode_button_width, mode_button_height));
velocity_mode_button->set_fill_color (current_mode_color);
velocity_mode_text = new Text (velocity_mode_button);
velocity_mode_text->set_font_description (UIConfiguration::instance().get_LargeFont());
velocity_mode_text->set (_("Velocity"));
velocity_mode_text->set_color (contrasting_text_color (velocity_mode_button->fill_color()));
velocity_mode_text->set_position (mode_button_center.translate (Duple (-velocity_mode_text->width()/2.0, -velocity_mode_text->height()/2.0)));
pitch_mode_button = new Rectangle (no_scroll_group);
pitch_mode_button->set_corner_radius (10.0);
pitch_mode_button->set_position (Duple (rhs_xoffset + mode_button_xdim, mode_button_spacing));
pitch_mode_button->set (Rect (0, 0, mode_button_width, mode_button_height));
pitch_mode_button->set_fill_color (not_current_mode_color);
pitch_mode_text = new Text (pitch_mode_button);
pitch_mode_text->set_font_description (UIConfiguration::instance().get_LargeFont());
pitch_mode_text->set (_("Pitch"));
pitch_mode_text->set_color (contrasting_text_color (pitch_mode_button->fill_color()));
pitch_mode_text->set_position (mode_button_center.translate (Duple (-pitch_mode_text->width()/2.0, -pitch_mode_text->height()/2.0)));
gate_mode_button = new Rectangle (no_scroll_group);
gate_mode_button->set_corner_radius (10.0);
gate_mode_button->set_position (Duple (rhs_xoffset + (mode_button_xdim * 2), mode_button_spacing));
gate_mode_button->set (Rect (0, 0, mode_button_width, mode_button_height));
gate_mode_button->set_fill_color (not_current_mode_color);
gate_mode_text = new Text (gate_mode_button);
gate_mode_text->set_font_description (UIConfiguration::instance().get_LargeFont());
gate_mode_text->set (_("Gate"));
gate_mode_text->set_color (contrasting_text_color (gate_mode_button->fill_color()));
gate_mode_text->set_position (mode_button_center.translate (Duple (-gate_mode_text->width()/2.0, -gate_mode_text->height()/2.0)));
octave_mode_button = new Rectangle (no_scroll_group);
octave_mode_button->set_corner_radius (10.0);
octave_mode_button->set_position (Duple (rhs_xoffset + (mode_button_xdim * 3), mode_button_spacing));
octave_mode_button->set (Rect (0, 0, mode_button_width, mode_button_height));
octave_mode_button->set_fill_color (not_current_mode_color);
octave_mode_text = new Text (octave_mode_button);
octave_mode_text->set_font_description (UIConfiguration::instance().get_LargeFont());
octave_mode_text->set (_("Octave"));
octave_mode_text->set_color (contrasting_text_color (octave_mode_button->fill_color()));
octave_mode_text->set_position (mode_button_center.translate (Duple (-octave_mode_text->width()/2.0, -octave_mode_text->height()/2.0)));
timing_mode_button = new Rectangle (no_scroll_group);
timing_mode_button->set_corner_radius (10.0);
timing_mode_button->set_position (Duple (rhs_xoffset + (mode_button_xdim * 4), mode_button_spacing));
timing_mode_button->set (Rect (0, 0, mode_button_width, mode_button_height));
timing_mode_button->set_fill_color (not_current_mode_color);
timing_mode_text = new Text (timing_mode_button);
timing_mode_text->set_font_description (UIConfiguration::instance().get_LargeFont());
timing_mode_text->set (_("Timing"));
timing_mode_text->set_color (contrasting_text_color (timing_mode_button->fill_color()));
timing_mode_text->set_position (mode_button_center.translate (Duple (-timing_mode_text->width()/2.0, -timing_mode_text->height()/2.0)));
/* place "us", the rectangle that contains/defines/draws the grid */
set_position (Duple (rhs_xoffset, _step_dimen + mode_button_ydim + mode_button_spacing));
octave_mode_button->Event.connect (sigc::bind (sigc::mem_fun (*this, &SequencerGrid::mode_button_event), Octave));
gate_mode_button->Event.connect (sigc::bind (sigc::mem_fun (*this, &SequencerGrid::mode_button_event), Duration));
pitch_mode_button->Event.connect (sigc::bind (sigc::mem_fun (*this, &SequencerGrid::mode_button_event), Pitch));
velocity_mode_button->Event.connect (sigc::bind (sigc::mem_fun (*this, &SequencerGrid::mode_button_event), Velocity));
timing_mode_button->Event.connect (sigc::bind (sigc::mem_fun (*this, &SequencerGrid::mode_button_event), Timing));
_sequencer.PropertyChanged.connect (sequencer_connection, invalidator (*this), boost::bind (&SequencerGrid::sequencer_changed, this, _1), gui_context());
{
/* trigger initial draw */
PropertyChange pc;
sequencer_changed (pc);
}
}
bool
SequencerGrid::mode_button_event (GdkEvent* ev, Mode m)
{
switch (ev->type) {
case GDK_BUTTON_RELEASE:
set_mode (m);
return true;
default:
break;
}
return false;
}
void
SequencerGrid::update ()
{
bool running = true;
size_t step = _sequencer.last_step ();
if (!running) {
for (StepIndicators::iterator s = step_indicators.begin(); s != step_indicators.end(); ++s) {
(*s)->set_current (false);
}
} else {
size_t n = 0;
for (StepIndicators::iterator s = step_indicators.begin(); s != step_indicators.end(); ++s, ++n) {
if (n == step) {
(*s)->set_current (true);
} else {
(*s)->set_current (false);
}
}
}
}
void
SequencerGrid::sequencer_changed (PropertyChange const &)
{
const size_t nsteps = _sequencer.step_capacity ();
const size_t nsequences = _sequencer.nsequences();
_width = _step_dimen * nsteps;
_height = _step_dimen * nsequences;
set (Rect (0, 0, _width, _height));
delete step_indicator_bg;
step_indicator_bg = new ArdourCanvas::Rectangle (no_scroll_group);
step_indicator_bg->set_fill_color (HSV (UIConfiguration::instance().color ("gtk_bases")).lighter (0.1));
step_indicator_bg->set_outline (false);
step_indicator_bg->set_position (Duple (rhs_xoffset, mode_button_height + (mode_button_spacing * 2.0)));
step_indicator_bg->set (Rect (0, 0, _width, _step_dimen));
step_indicator_bg->lower_to_bottom ();
/* indicator row */
while (step_indicators.size() > nsteps) {
SequencerStepIndicator* ssi = step_indicators.back();
step_indicators.pop_back();
delete ssi;
}
size_t n = step_indicators.size();
while (step_indicators.size() < nsteps) {
SequencerStepIndicator* ssi = new SequencerStepIndicator (*this, canvas(), n);
ssi->set (Rect (0.0, 0.0, _step_dimen - 3.0, _step_dimen - 3.0));
step_indicator_box->pack_start (ssi);
step_indicators.push_back (ssi);
++n;
}
/* step views, one per step per sequence */
clear (true);
step_views.clear ();
while (sequence_headers.size() > nsequences) {
SequenceHeader* sh = sequence_headers.back ();
sequence_headers.pop_back ();
delete sh;
}
n = sequence_headers.size();
while (sequence_headers.size() < nsequences) {
SequenceHeader* sh = new SequenceHeader (*this, _sequencer.sequence (n), v_scroll_group);
sh->set_position (Duple (0, (mode_button_ydim + mode_button_spacing) + ((n+1) * _step_dimen)));
sh->set (Rect (1, 1, rhs_xoffset - 2, _step_dimen - 2));
sh->set_fill_color (UIConfiguration::instance().color ("gtk_bright_color"));
sequence_headers.push_back (sh);
++n;
}
for (size_t s = 0; s < nsequences; ++s) {
for (size_t n = 0; n < nsteps; ++n) {
StepView* sv = new StepView (*this, _sequencer.sequence (s).step (n), this);
sv->set_position (Duple (n * _step_dimen, s * _step_dimen));
sv->set (Rect (0, 0, _step_dimen - 1, _step_dimen - 1));
step_views.push_back (sv);
}
}
}
void
SequencerGrid::set_mode (Mode m)
{
if (_mode == m) {
return;
}
_mode = m;
switch (_mode) {
case Octave:
octave_mode_button->set_fill_color (current_mode_color);
octave_mode_text->set_color (contrasting_text_color (current_mode_color));
timing_mode_button->set_fill_color (not_current_mode_color);
velocity_mode_button->set_fill_color (not_current_mode_color);
gate_mode_button->set_fill_color (not_current_mode_color);
pitch_mode_button->set_fill_color (not_current_mode_color);
pitch_mode_text->set_color (contrasting_text_color (not_current_mode_color));
gate_mode_text->set_color (pitch_mode_text->color ());
velocity_mode_text->set_color (pitch_mode_text->color());
timing_mode_text->set_color (pitch_mode_text->color());
break;
case Duration:
gate_mode_button->set_fill_color (current_mode_color);
gate_mode_text->set_color (contrasting_text_color (current_mode_color));
timing_mode_button->set_fill_color (not_current_mode_color);
velocity_mode_button->set_fill_color (not_current_mode_color);
octave_mode_button->set_fill_color (not_current_mode_color);
pitch_mode_button->set_fill_color (not_current_mode_color);
pitch_mode_text->set_color (contrasting_text_color (not_current_mode_color));
octave_mode_text->set_color (pitch_mode_text->color ());
velocity_mode_text->set_color (pitch_mode_text->color());
timing_mode_text->set_color (pitch_mode_text->color());
break;
case Pitch:
pitch_mode_button->set_fill_color (current_mode_color);
pitch_mode_text->set_color (contrasting_text_color (current_mode_color));
timing_mode_button->set_fill_color (not_current_mode_color);
velocity_mode_button->set_fill_color (not_current_mode_color);
octave_mode_button->set_fill_color (not_current_mode_color);
gate_mode_button->set_fill_color (not_current_mode_color);
gate_mode_text->set_color (contrasting_text_color (not_current_mode_color));
octave_mode_text->set_color (gate_mode_text->color ());
velocity_mode_text->set_color (gate_mode_text->color());
timing_mode_text->set_color (gate_mode_text->color());
break;
case Velocity:
velocity_mode_button->set_fill_color (current_mode_color);
velocity_mode_text->set_color (contrasting_text_color (current_mode_color));
timing_mode_button->set_fill_color (not_current_mode_color);
pitch_mode_button->set_fill_color (not_current_mode_color);
octave_mode_button->set_fill_color (not_current_mode_color);
gate_mode_button->set_fill_color (not_current_mode_color);
pitch_mode_text->set_color (contrasting_text_color (not_current_mode_color));
octave_mode_text->set_color (pitch_mode_text->color ());
gate_mode_text->set_color (pitch_mode_text->color());
timing_mode_text->set_color (pitch_mode_text->color());
break;
case Timing:
timing_mode_button->set_fill_color (current_mode_color);
timing_mode_text->set_color (contrasting_text_color (current_mode_color));
velocity_mode_button->set_fill_color (not_current_mode_color);
pitch_mode_button->set_fill_color (not_current_mode_color);
octave_mode_button->set_fill_color (not_current_mode_color);
gate_mode_button->set_fill_color (not_current_mode_color);
pitch_mode_text->set_color (contrasting_text_color (not_current_mode_color));
octave_mode_text->set_color (pitch_mode_text->color ());
gate_mode_text->set_color (pitch_mode_text->color());
velocity_mode_text->set_color (gate_mode_text->color());
default:
break;
}
for (StepViews::iterator s = step_views.begin(); s != step_views.end(); ++s) {
(*s)->view_mode_changed ();
}
redraw ();}
void
SequencerGrid::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
{
/* might do more one day */
Rectangle::render (area, context);
render_children (area, context);
}
SequenceHeader&
SequencerGrid::sequence_header (size_t n) const
{
assert (n < sequence_headers.size());
return *sequence_headers[n];
}
/**/
Gtkmm2ext::Color SequencerStepIndicator::other_color = Gtkmm2ext::Color (0);
Gtkmm2ext::Color SequencerStepIndicator::current_color = Gtkmm2ext::Color (0);
Gtkmm2ext::Color SequencerStepIndicator::other_text_color = Gtkmm2ext::Color (0);
Gtkmm2ext::Color SequencerStepIndicator::current_text_color = Gtkmm2ext::Color (0);
Gtkmm2ext::Color SequencerStepIndicator::bright_outline_color = Gtkmm2ext::Color (0);
int SequencerStepIndicator::dragging = 0;
SequencerStepIndicator::SequencerStepIndicator (SequencerGrid& s, Canvas* c, size_t n)
: Rectangle (c)
, grid (s)
, number (n)
, being_dragged (false)
{
if (current_color == 0) { /* zero alpha? not set */
other_color = UIConfiguration::instance().color ("gtk_bases");
current_color = UIConfiguration::instance().color ("gtk_bright_color");
other_text_color = contrasting_text_color (other_color);
current_text_color = contrasting_text_color (current_color);
bright_outline_color = UIConfiguration::instance().color ("gtk_bright_indicator");
}
set_fill (false);
set_outline (false);
poly = new Polygon (this);
Points points;
points.push_back (Duple (0, 0));
points.push_back (Duple (_step_dimen - 4.0, 0));
points.push_back (Duple (_step_dimen - 4.0, (_step_dimen - 4.0)/2.0));
points.push_back (Duple ((_step_dimen - 4.0)/2.0, _step_dimen - 4.0));
points.push_back (Duple (0, (_step_dimen - 4.0)/2.0));
poly->set (points);
poly->set_fill_color (current_color);
poly->set_outline_color (other_color);
poly->set_ignore_events (true);
poly->move (Duple (0.5, 0.5));
text = new Text (this);
set_text ();
text->set_font_description (UIConfiguration::instance ().get_NormalFont ());
text->set_position (Duple ((_step_dimen/2.0) - (text->width()/2.0), 5.0));
text->set_color (other_text_color);
text->set_ignore_events (true);
Event.connect (sigc::mem_fun (*this, &SequencerStepIndicator::on_event));
grid.sequencer().PropertyChanged.connect (sequencer_connection, invalidator (*this), boost::bind (&SequencerStepIndicator::sequencer_changed, this, _1), gui_context());
}
void
SequencerStepIndicator::sequencer_changed (PropertyChange const &)
{
set_text ();
}
void
SequencerStepIndicator::set_text ()
{
if (number == grid.sequencer().end_step() - 1) {
text->set ("\u21a9");
} else if (number == grid.sequencer().start_step()) {
text->set ("\u21aa");
} else {
text->set (string_compose ("%1", number+1));
}
}
bool
SequencerStepIndicator::on_event (GdkEvent* ev)
{
bool ret = false;
switch (ev->type) {
case GDK_ENTER_NOTIFY:
switch (dragging) {
case 1: /* end */
poly->set_outline_color (bright_outline_color);
poly->set_fill_color (current_color);
being_dragged = true;
break;
case -1:
poly->set_outline_color (bright_outline_color);
poly->set_fill_color (current_color);
being_dragged = true;
break;
default:
poly->set_outline_color (other_color);
poly->set_fill_color (other_color);
}
break;
case GDK_LEAVE_NOTIFY:
if (dragging) {
poly->set_outline_color (other_color);
poly->set_fill_color (other_color);
being_dragged = false;
}
break;
case GDK_MOTION_NOTIFY:
ret = motion_event (&ev->motion);
break;
case GDK_BUTTON_PRESS:
ret = button_press_event (&ev->button);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_event (&ev->button);
break;
default:
break;
}
return ret;
}
bool
SequencerStepIndicator::motion_event (GdkEventMotion* ev)
{
return true;
}
bool
SequencerStepIndicator::button_press_event (GdkEventButton* ev)
{
if (number == grid.sequencer().end_step() - 1) {
dragging = 1;
} else if (number == grid.sequencer().start_step()) {
dragging = -1;
}
return true;
}
bool
SequencerStepIndicator::button_release_event (GdkEventButton* ev)
{
switch (dragging) {
case 1:
grid.sequencer().set_end_step (number+1);
break;
case -1:
grid.sequencer().set_start_step (number);
break;
default:
break;
}
dragging = 0;
being_dragged = false;
return true;
}
void
SequencerStepIndicator::set_current (bool yn)
{
if (being_dragged) {
return;
}
if (yn) {
poly->set_fill_color (current_color);
text->set_color (current_text_color);
} else {
poly->set_fill_color (other_color);
text->set_color (other_text_color);
}
}
void
SequencerStepIndicator::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
{
Rectangle::render (area, context);
render_children (area, context);
}
Gtkmm2ext::Color StepView::on_fill_color = Gtkmm2ext::Color (0);
Gtkmm2ext::Color StepView::off_fill_color = Gtkmm2ext::Color (0);
StepView::StepView (SequencerGrid& sg, Step& s, ArdourCanvas::Item* parent)
: ArdourCanvas::Rectangle (parent)
, _step (s)
, _seq (sg)
, text (new Text (this))
, grabbed (false)
{
if (on_fill_color == 0) {
on_fill_color = UIConfiguration::instance().color ("gtk_bases");
off_fill_color = HSV (on_fill_color).lighter (0.1);
}
set_fill_color (off_fill_color);
set_outline_color (UIConfiguration::instance().color ("gtk_bright_color"));
set_outline (false);
text->set_color (contrasting_text_color (fill_color()));
text->set_font_description (UIConfiguration::instance ().get_SmallFont ());
text->hide ();
Event.connect (sigc::mem_fun (*this, &StepView::on_event));
_step.PropertyChanged.connect (step_connection, invalidator (*this), boost::bind (&StepView::step_changed, this, _1), gui_context());
}
void
StepView::view_mode_changed ()
{
/* this should leave the text to the last text-displaying mode */
switch (_seq.mode()) {
case SequencerGrid::Octave:
set_octave_text ();
break;
case SequencerGrid::Group:
set_group_text ();
break;
case SequencerGrid::Timing:
set_timing_text ();
break;
default:
text->hide ();
}
}
void
StepView::set_group_text ()
{
text->set ("-");
}
void
StepView::set_octave_text ()
{
if (_step.octave_shift() > 0) {
text->set (string_compose ("+%1", _step.octave_shift()));
text->show ();
} else if (_step.octave_shift() == 0) {
text->hide ();
} else {
text->set (string_compose ("%1", _step.octave_shift()));
text->show ();
}
if (text->self_visible()) {
const double w = text->width();
const double h = text->height();
text->set_position (Duple (_step_dimen/2 - (w/2), _step_dimen/2 - (h/2)));
}
}
void
StepView::set_timing_text ()
{
if (!_step.velocity()) {
text->hide ();
return;
}
if (_step.offset() == Temporal::Beats()) {
text->set (X_("0"));
} else {
const int64_t gcd = boost::math::gcd (_step.offset().to_ticks(), int64_t (1920));
const int64_t n = _step.offset().to_ticks() / gcd;
const int64_t d = 1920 / gcd;
text->set (string_compose ("%1/%2", n, d));
text->show ();
}
if (text->self_visible()) {
const double w = text->width();
const double h = text->height();
text->set_position (Duple (_step_dimen/2 - (w/2), _step_dimen/2 - (h/2)));
}
}
void
StepView::step_changed (PropertyChange const &)
{
if (_seq.mode() == SequencerGrid::Octave) {
set_octave_text ();
} else if (_seq.mode() == SequencerGrid::Timing) {
set_timing_text ();
}
if (_step.velocity()) {
set_fill_color (on_fill_color);
} else {
set_fill_color (off_fill_color);
}
redraw ();
}
void
StepView::render (ArdourCanvas::Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
{
Rectangle::render (area, context);
if (_seq.mode() == SequencerGrid::Velocity) {
if (_step.velocity()) {
const double height = (_step_dimen - 4) * _step.velocity();
const Duple origin = item_to_window (Duple (0, 0));
set_source_rgba (context, outline_color());
context->rectangle (origin.x + 2, origin.y + (_step_dimen - height - 2), _step_dimen - 4, height);
context->fill ();
}
} else if (_seq.mode() == SequencerGrid::Pitch) {
if (_step.velocity()) {
const double height = (_step_dimen - 4) * (_step.note() / 128.0);
const Duple origin = item_to_window (Duple (0, 0));
set_source_rgba (context, outline_color());
context->rectangle (origin.x + 2, origin.y + (_step_dimen - height - 2), _step_dimen - 4, height);
context->fill ();
}
} else if (_seq.mode() == SequencerGrid::Duration) {
if (_step.velocity()) {
const Step::DurationRatio d (_step.duration());
const double height = ((_step_dimen - 4.0) * d.numerator()) / d.denominator();
const Duple origin = item_to_window (Duple (0, 0));
set_source_rgba (context, outline_color());
context->rectangle (origin.x + 2, origin.y + (_step_dimen - height - 2), _step_dimen - 4, height);
context->fill ();
}
} else if (_seq.mode() == SequencerGrid::Timing) {
if (_step.velocity()) {
Temporal::Beats offset = _step.offset ();
const double fract = offset.to_ticks() / (double) _seq.sequencer().step_size().to_ticks();
const double width = ((_step_dimen - 4.0)/2.0) * fract;
const Duple origin = item_to_window (Duple (_step_dimen / 2.0, 0.0));
/* draw sideways "bars" from center" to indicate extent
* of time displacement from nominal time for this step
*/
set_source_rgba (context, outline_color());
context->rectangle (origin.x + 2.0, origin.y + 2.0, width, _step_dimen - 4.0);
context->fill ();
}
}
/* now deal with any children (e.g. text) */
render_children (area, context);
}
bool
StepView::on_event (GdkEvent *ev)
{
bool ret = false;
switch (ev->type) {
case GDK_MOTION_NOTIFY:
ret = motion_event (&ev->motion);
break;
case GDK_BUTTON_PRESS:
ret = button_press_event (&ev->button);
break;
case GDK_BUTTON_RELEASE:
ret = button_release_event (&ev->button);
break;
case GDK_SCROLL:
ret = scroll_event (&ev->scroll);
default:
break;
}
return ret;
}
bool
StepView::motion_event (GdkEventMotion* ev)
{
if (!grabbed) {
return false;
}
double distance;
switch (_seq.mode()) {
case SequencerGrid::Timing:
distance = ev->x - last_motion.first;
break;
default:
distance = last_motion.second - ev->y;
break;
}
if ((ev->state & GDK_MOD1_MASK) || _seq.mode() == SequencerGrid::Pitch) {
adjust_step_pitch (distance);
} else if (_seq.mode() == SequencerGrid::Velocity) {
adjust_step_velocity (distance);
} else if (_seq.mode() == SequencerGrid::Duration) {
adjust_step_duration (Step::DurationRatio (distance, 32)); /* adjust by 1/32 of the sequencer step size */
} else if (_seq.mode() == SequencerGrid::Octave) {
adjust_step_octave (distance);
} else if (_seq.mode() == SequencerGrid::Timing) {
adjust_step_timing (distance/(_step_dimen / 2.0));
} else if (_seq.mode() == SequencerGrid::Group) {
}
last_motion = std::make_pair (ev->x, ev->y);
return true;
}
bool
StepView::button_press_event (GdkEventButton* ev)
{
grab_at = std::make_pair (ev->x, ev->y);
last_motion = grab_at;
grab ();
grabbed = true;
return true;
}
bool
StepView::button_release_event (GdkEventButton* ev)
{
if (grabbed) {
ungrab ();
grabbed = false;
int distance_moved;
switch (_seq.mode()) {
case SequencerGrid::Timing:
distance_moved = grab_at.first - last_motion.first;
break;
default:
distance_moved = last_motion.second - grab_at.second;
break;
}
if (::abs (distance_moved) < 4) {
/* just a click */
/* in all modes except octave, turn step on if it is off */
if (_seq.mode() == SequencerGrid::Octave) {
if (_step.velocity()) {
_step.set_octave_shift (0);
} else {
_step.set_velocity (0.8);
}
} else {
if (_step.velocity()) {
_step.set_velocity (0.0);
} else {
_step.set_velocity (0.8);
}
}
}
}
return true;
}
bool
StepView::scroll_event (GdkEventScroll* ev)
{
int amt = 0;
switch (ev->direction) {
case GDK_SCROLL_UP:
amt = 1;
break;
case GDK_SCROLL_LEFT:
amt = -1;
break;
case GDK_SCROLL_RIGHT:
amt = 1;
break;
case GDK_SCROLL_DOWN:
amt = -1;
break;
}
if ((ev->state & GDK_MOD1_MASK) || _seq.mode() == SequencerGrid::Pitch) {
adjust_step_pitch (amt);
} else if (_seq.mode() == SequencerGrid::Velocity) {
adjust_step_velocity (amt);
} else if (_seq.mode() == SequencerGrid::Duration) {
/* adjust by 1/32 of the sequencer step size */
adjust_step_duration (Step::DurationRatio (amt, 32));
} else if (_seq.mode() == SequencerGrid::Octave) {
adjust_step_octave (amt);
} else if (_seq.mode() == SequencerGrid::Timing) {
adjust_step_timing (amt);
} else if (_seq.mode() == SequencerGrid::Group) {
}
return true;
}
void
StepView::adjust_step_timing (double fract)
{
_step.adjust_offset (fract);
}
void
StepView::adjust_step_pitch (int amt)
{
_step.adjust_pitch (amt);
}
void
StepView::adjust_step_velocity (int amt)
{
_step.adjust_velocity (amt);
}
void
StepView::adjust_step_octave (int amt)
{
_step.adjust_octave (amt);
}
void
StepView::adjust_step_duration (Step::DurationRatio const & amt)
{
_step.adjust_duration (amt);
}
/**/
SequenceHeader::SequenceHeader (SequencerGrid& sg, StepSequence& sq, Item* parent)
: Rectangle (parent)
, grid (sg)
, sequence (sq)
{
number_display = new Rectangle (this);
number_display->set_position (Duple (4.0, 4.0));
number_display->set_corner_radius (5);
number_text = new Text (number_display);
number_text->set_font_description (UIConfiguration::instance().get_LargeFont());
number_text->set ("88"); // likely widest number label
number_display->set (Rect (0.0, 0.0, number_text->width() + 8.0, _step_dimen - 8.0));
number_text->set (string_compose ("%1", sequence.index() + 1));
number_text->set_position (Duple ((number_display->width()/2.0) - (number_text->width()/2.0), ((_step_dimen - 8.0) / 2.0) - (number_text->height() / 2.0)));
number_text->set_color (contrasting_text_color (number_display->fill_color()));
name_text = new Text (this);
name_text->set (_("Snare"));
name_text->set_font_description (UIConfiguration::instance().get_LargeFont());
name_text->set_position (Duple (number_display->width() + 5.0, (_step_dimen/2.0) - (name_text->height() / 2.0)));
name_text->set_color (contrasting_text_color (fill_color()));
name_text->Event.connect (sigc::mem_fun (*this, &SequenceHeader::name_text_event));
root_display = new Rectangle (this);
root_display->set_position (Duple (180, 4.0));
root_display->set (Rect (0.0, 0.0, _step_dimen * 1.5, _step_dimen - 8.0));
root_display->set_corner_radius (5);
root_text = new Text (root_display);
root_text->set (ParameterDescriptor::midi_note_name (sequence.root()));
root_text->set_font_description (UIConfiguration::instance().get_LargeFont());
root_text->set_position (Duple (4.0, ((_step_dimen - 8.0) / 2.0) - (root_text->height() / 2.0)));
root_text->set_color (contrasting_text_color (root_display->fill_color()));
}
bool
SequenceHeader::name_text_event (GdkEvent *ev)
{
switch (ev->type) {
case GDK_2BUTTON_PRESS:
edit_name ();
return true;
default:
break;
}
return false;
}
void
SequenceHeader::edit_name ()
{
GtkCanvas* gc = dynamic_cast<GtkCanvas*> (name_text->canvas());
assert (gc);
Gtk::Window* toplevel = (Gtk::Window*) gc->get_toplevel();
assert (toplevel);
floating_entry = new FloatingTextEntry (toplevel, name_text->text());
floating_entry->use_text.connect (sigc::mem_fun (*this, &SequenceHeader::name_edited));
floating_entry->set_name (X_("LargeTextEntry"));
/* move fte top left corner to top left corner of name text */
Duple wc = name_text->item_to_window (Duple (0,0));
int x, y;
int wx, wy;
gc->translate_coordinates (*toplevel, wc.x, wc.y, x, y);
toplevel->get_window()->get_origin (wx, wy);
floating_entry->move (wx + x, wy + y);
floating_entry->present ();
}
void
SequenceHeader::name_edited (std::string str, int next)
{
name_text->set (str);
switch (next) {
case 0:
break;
case 1:
if (sequence.index() < grid.sequencer().nsequences() - 1) {
grid.sequence_header (sequence.index() + 1).edit_name();
}
break;
case -1:
if (sequence.index() > 0) {
grid.sequence_header (sequence.index() - 1).edit_name();
}
break;
}
}