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#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "microui.h"
#include "widget.h"
#include "unit.h"
#include "engine.h"
#include "ui.h"
#define nelem(arr) (sizeof(arr)/sizeof(arr[0]))
static const char *const volume_units[] = {"cc", "l", "ci"};
static const VolumeMaker volume_makers[nelem(volume_units)] = {
cubic_centimetre, litre, cubic_inch,
};
static const VolumeReader volume_readers[nelem(volume_units)] = {
as_cubic_centimetre, as_litre, as_cubic_inch,
};
static const char *const pressure_units[] = {"mbar", "kPa", "bar", "psi"};
static const PressureMaker pressure_makers[nelem(pressure_units)] = {
millibar, kilopascal, bar, psi,
};
static const char *const volume_flow_rate_units[] = {"m³/s", "CFM"};
static VolumeFlowRateReader volume_flow_rate_readers[nelem(volume_flow_rate_units)] = {
as_cubic_metre_per_sec, as_cubic_foot_per_min,
};
void
init_ui(UI *ui) {
w_init_field(&ui->displacement);
w_init_select(&ui->displacement_unit, nelem(volume_units), volume_units);
ui->npoints = 1;
w_init_field(&ui->rpm[0]);
w_init_field(&ui->map[0]);
w_init_select(&ui->map_unit, nelem(pressure_units), pressure_units);
w_init_field(&ui->ve[0]);
init_engine(&ui->points[0]);
w_init_select(&ui->volume_flow_rate_unit, nelem(volume_flow_rate_units), volume_flow_rate_units);
w_init_label(ui->volume_flow_rate[0]);
}
void
set_displacement(UI *ui) {
int idx, i;
VolumeMaker convert;
Volume disp;
idx = ui->displacement_unit.idx;
assert(idx >= 0 && (long unsigned int) idx < nelem(volume_units));
convert = volume_makers[idx];
disp = convert(ui->displacement.value);
for (i = 0; i < ui->npoints; i++) {
ui->points[i].displacement = disp;
}
}
void
set_displacement_unit(UI *ui) {
VolumeMaker maker;
Volume disp;
VolumeReader reader;
maker = volume_makers[ui->displacement_unit.oldidx];
disp = maker(ui->displacement.value);
reader = volume_readers[ui->displacement_unit.idx];
w_set_field(&ui->displacement, reader(disp));
}
void
set_map(UI *ui, int idx) {
int unit_idx;
PressureMaker convert;
Pressure p;
unit_idx = ui->map_unit.idx;
assert(unit_idx >= 0 && (long unsigned int) unit_idx < nelem(pressure_units));
convert = pressure_makers[unit_idx];
p = convert(ui->map[idx].value);
ui->points[idx].map = p;
}
void
set_ve(UI *ui, int idx) {
ui->points[idx].ve = percent(ui->ve[idx].value);
}
void
set_volume_flow_rate(UI *ui, int idx) {
int unit_idx;
VolumeFlowRateReader convert;
VolumeFlowRate v;
unit_idx = ui->volume_flow_rate_unit.idx;
assert(unit_idx >= 0 && (long unsigned int) unit_idx < nelem(volume_flow_rate_units));
convert = volume_flow_rate_readers[unit_idx];
v = convert(volume_flow_rate(&ui->points[idx]));
snprintf(ui->volume_flow_rate[idx], sizeof(ui->volume_flow_rate[idx]), "%f", v);
}
void
set_all_volume_flow_rate(UI *ui) {
int i;
for (i = 0; i < ui->npoints; i++) {
set_volume_flow_rate(ui, i);
}
}
void
insert_point(UI *ui, int idx) {
int i;
if (idx < 0 || idx >= ui->npoints || ui->npoints >= MAX_POINTS) {
return;
}
for (i = ui->npoints; i > idx; i--) {
memmove(&ui->rpm[i], &ui->rpm[i-1], sizeof(ui->rpm[i-1]));
memmove(&ui->map[i], &ui->map[i-1], sizeof(ui->map[i-1]));
memmove(&ui->ve[i], &ui->ve[i-1], sizeof(ui->ve[i-1]));
memmove(&ui->points[i], &ui->points[i-1], sizeof(ui->points[i-1]));
memmove(&ui->volume_flow_rate[i], &ui->volume_flow_rate[i-1], sizeof(ui->volume_flow_rate[i-1]));
}
ui->npoints++;
}
void
remove_point(UI *ui, int idx) {
if (idx < 0 || idx >= ui->npoints || ui->npoints <= 1) {
return;
}
for (; idx < ui->npoints-1; idx++) {
memmove(&ui->rpm[idx], &ui->rpm[idx+1], sizeof(ui->rpm[idx]));
memmove(&ui->map[idx], &ui->map[idx+1], sizeof(ui->map[idx]));
memmove(&ui->ve[idx], &ui->ve[idx+1], sizeof(ui->ve[idx]));
memmove(&ui->points[idx], &ui->points[idx+1], sizeof(ui->points[idx]));
memmove(&ui->volume_flow_rate[idx], &ui->volume_flow_rate[idx+1], sizeof(ui->volume_flow_rate[idx]));
}
ui->npoints--;
}
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