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edit.cpp
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edit.cpp
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/*
plexus - a launchpad cv/gate sequencer/keyboard/arpeggiator
Copyright (C) 2017 Dougall IRVING
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "edit.h"
#include "led.h"
#include "playback.h"
Sequence * edit;
void edit_start( const byte voice )
{
edit = playback[voice].sequence;
grid_led_update = true;
}
void edit_button_down ( const byte button)
{
byte coloumn = button % 8;
byte row = button / 8;
//bottom row is sequence length
if (row == 7)
{
edit->length = coloumn + 1;
}
else if (row == 6)
{
edit->steps[coloumn].gate = !(edit->steps[coloumn].gate);
}
else
{
edit->steps[coloumn].gate_length = 6 - row;
}
grid_led_update = true;
}
boolean edit_led_update()
{
//edit screen bottom row is sequence length
//second bottom is gate on
//rest of screen is bar graph of step length
for (int row = 0; row < GRID_HEIGHT; row++ )
{
for (int coloumn = 0; coloumn < GRID_WIDTH; coloumn++ )
{
int button = (row * 8) + coloumn;
if (row == 7)
{
if ((coloumn + 1) <= edit->length)
{
if (set_grid_led(button, LED_RED))
return true;
}
else
{
if (set_grid_led(button, LED_OFF))
return true;
}
}
else if (row == 6)
{
if (edit->steps[coloumn].gate)
{
if (set_grid_led(button, LED_GREEN))
return true;
}
else
{
if ( set_grid_led(button, LED_OFF))
return true;
}
}
else
{
if (edit->steps[coloumn].gate_length >= (6-row))
{
if ( set_grid_led(button, LED_YELLOW))
return true;
}
else
{
if (set_grid_led(button, LED_OFF))
return true;
}
}
}
}
return false;
}