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use rational number for step durations

This commit is contained in:
Paul Davis 2018-11-07 16:25:29 -05:00
parent 25f67e3f16
commit e1d82bce04
2 changed files with 8 additions and 7 deletions
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9
gtk2_ardour/beatbox_gui.cc
View File

@ -512,7 +512,8 @@ StepView::render (ArdourCanvas::Rect const & area, Cairo::RefPtr<Cairo::Context>
context->rectangle (origin.x + 2, origin.y + (_step_dimen - height - 2), _step_dimen - 4, height);
context->fill ();
} else if (_seq.mode() == SequencerGrid::Duration) {
const double height = (_step_dimen - 4) * (_step.duration());
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));
context->rectangle (origin.x + 2, origin.y + (_step_dimen - height - 2), _step_dimen - 4, height);
context->fill ();
@ -594,8 +595,8 @@ StepView::scroll_event (GdkEventScroll* ev)
cerr << "adjust velocity by " << amt << endl;
adjust_step_velocity (amt);
} else if (_seq.mode() == SequencerGrid::Duration) {
cerr << "adjust velocity by " << amt << endl;
adjust_step_duration (amt/32.0); /* adjust by 1/32 of the sequencer step size */
cerr << "adjust duration by " << Step::DurationRatio (amt, 32) << endl;
adjust_step_duration (Step::DurationRatio (amt, 32)); /* adjust by 1/32 of the sequencer step size */
} else if (_seq.mode() == SequencerGrid::Octave) {
adjust_step_octave (amt);
} else if (_seq.mode() == SequencerGrid::Group) {
@ -623,7 +624,7 @@ StepView::adjust_step_octave (int amt)
}
void
StepView::adjust_step_duration (double amt)
StepView::adjust_step_duration (Step::DurationRatio const & amt)
{
_step.adjust_duration (amt);
}

6
gtk2_ardour/beatbox_gui.h
View File

@ -39,6 +39,8 @@
#include "canvas/canvas.h"
#include "canvas/rectangle.h"
#include "ardour/step_sequencer.h"
#include "widgets/ardour_button.h"
#include "widgets/ardour_dropdown.h"
#include "ardour_dialog.h"
@ -59,8 +61,6 @@ class Widget;
namespace ARDOUR {
class BeatBox;
class Step;
class StepSequencer;
}
class SequencerGrid;
@ -88,7 +88,7 @@ class StepView : public ArdourCanvas::Rectangle, public sigc::trackable {
void adjust_step_pitch (int amt);
void adjust_step_velocity (int amt);
void adjust_step_duration (double);
void adjust_step_duration (ARDOUR::Step::DurationRatio const &);
void adjust_step_octave (int amt);
void step_changed (PBD::PropertyChange const &);