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/*
* This file is part of the PulseView project.
*
* Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <cassert>
#include <cstdint>
#include <QDebug>
#include <QSpinBox>
#include <libsigrokcxx/libsigrokcxx.hpp>
#include "int.hpp"
using boost::optional;
using std::max;
using std::min;
using std::pair;
namespace pv {
namespace prop {
Int::Int(QString name,
QString desc,
QString suffix,
optional< pair<int64_t, int64_t> > range,
Getter getter,
Setter setter) :
Property(name, desc, getter, setter),
suffix_(suffix),
range_(range),
spin_box_(nullptr)
{
}
QWidget* Int::get_widget(QWidget *parent, bool auto_commit)
{
int64_t range_min = 0;
uint64_t range_max = 0;
if (spin_box_)
return spin_box_;
if (!getter_)
return nullptr;
try {
value_ = getter_();
} catch (const sigrok::Error &e) {
qWarning() << tr("Querying config key %1 resulted in %2").arg(name_, e.what());
return nullptr;
}
GVariant *value = value_.gobj();
if (!value)
return nullptr;
spin_box_ = new QSpinBox(parent);
spin_box_->setSuffix(suffix_);
const GVariantType *const type = g_variant_get_type(value);
assert(type);
if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) {
range_min = 0, range_max = UINT8_MAX;
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) {
range_min = INT16_MIN, range_max = INT16_MAX;
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) {
range_min = 0, range_max = UINT16_MAX;
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) {
range_min = INT32_MIN, range_max = INT32_MAX;
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) {
range_min = 0, range_max = UINT32_MAX;
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) {
range_min = INT64_MIN, range_max = INT64_MAX;
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) {
range_min = 0, range_max = UINT64_MAX;
} else {
// Unexpected value type.
assert(false);
}
// @todo sigrok supports 64-bit quantities, but Qt does not have a
// standard widget to allow the values to be modified over the full
// 64-bit range on 32-bit machines. To solve the issue we need a
// custom widget.
range_min = max(range_min, (int64_t)INT_MIN);
range_max = min(range_max, (uint64_t)INT_MAX);
if (range_)
spin_box_->setRange((int)range_->first, (int)range_->second);
else
spin_box_->setRange((int)range_min, (int)range_max);
update_widget();
if (auto_commit)
connect(spin_box_, SIGNAL(valueChanged(int)),
this, SLOT(on_value_changed(int)));
return spin_box_;
}
void Int::update_widget()
{
if (!spin_box_)
return;
try {
value_ = getter_();
} catch (const sigrok::Error &e) {
qWarning() << tr("Querying config key %1 resulted in %2").arg(name_, e.what());
return;
}
GVariant *value = value_.gobj();
assert(value);
const GVariantType *const type = g_variant_get_type(value);
assert(type);
int64_t int_val = 0;
if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) {
int_val = g_variant_get_byte(value);
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) {
int_val = g_variant_get_int16(value);
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) {
int_val = g_variant_get_uint16(value);
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) {
int_val = g_variant_get_int32(value);
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) {
int_val = g_variant_get_uint32(value);
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) {
int_val = g_variant_get_int64(value);
} else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) {
int_val = g_variant_get_uint64(value);
} else {
// Unexpected value type.
assert(false);
}
spin_box_->setValue((int)int_val);
}
void Int::commit()
{
assert(setter_);
if (!spin_box_)
return;
GVariant *new_value = nullptr;
const GVariantType *const type = g_variant_get_type(value_.gobj());
assert(type);
if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE))
new_value = g_variant_new_byte(spin_box_->value());
else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16))
new_value = g_variant_new_int16(spin_box_->value());
else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16))
new_value = g_variant_new_uint16(spin_box_->value());
else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32))
new_value = g_variant_new_int32(spin_box_->value());
else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32))
new_value = g_variant_new_uint32(spin_box_->value());
else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64))
new_value = g_variant_new_int64(spin_box_->value());
else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64))
new_value = g_variant_new_uint64(spin_box_->value());
else {
// Unexpected value type.
assert(false);
}
assert(new_value);
value_ = Glib::VariantBase(new_value);
setter_(value_);
}
void Int::on_value_changed(int)
{
commit();
}
} // namespace prop
} // namespace pv
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