sdrangel/sdrgui/gui/accessiblevaluedialz.h

106 wiersze
3.6 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2023 Jon Beniston, M7RCE //
// //
// 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 as 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 V3 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#ifndef GUI_ACCESSIBLEVALUEDIALZ_H
#define GUI_ACCESSIBLEVALUEDIALZ_H
#include <QAccessibleWidget>
#include "gui/valuedialz.h"
class SDRGUI_API AccessibleValueDialZ : public QAccessibleWidget, public QAccessibleValueInterface {
public:
AccessibleValueDialZ(ValueDialZ *valueDialZ) :
QAccessibleWidget(valueDialZ)
{
addControllingSignal(QLatin1String("changed(qint64)"));
}
void *interface_cast(QAccessible::InterfaceType t) override
{
if (t == QAccessible::ValueInterface)
return static_cast<QAccessibleValueInterface*>(this);
return QAccessibleWidget::interface_cast(t);
}
QAccessible::Role role() const override
{
//return QAccessible::Dial; // This results in reader saying "custom" and not reading the value
return QAccessible::Slider;
}
QString text(QAccessible::Text t) const override
{
switch (t)
{
case QAccessible::Name:
return valueDialZ()->toolTip(); // Use tooltip until accessibleName field is set to something in .ui files
case QAccessible::Value:
return QString::number(valueDialZ()->getValueNew());
default:
return QAccessibleWidget::text(t);
}
}
static QAccessibleInterface* factory(const QString &classname, QObject *object)
{
QAccessibleInterface *iface = nullptr;
if (classname == QLatin1String("ValueDialZ") && object && object->isWidgetType()) {
iface = static_cast<QAccessibleInterface*>(new AccessibleValueDialZ(static_cast<ValueDialZ *>(object)));
}
return iface;
}
// QAccessibleValueInterface
QVariant currentValue() const override
{
return valueDialZ()->getValueNew();
}
void setCurrentValue(const QVariant &value) override
{
valueDialZ()->setValue(value.toInt());
}
QVariant maximumValue() const override
{
return valueDialZ()->m_valueMax;
}
QVariant minimumValue() const override
{
return valueDialZ()->m_valueMin;
}
QVariant minimumStepSize() const override
{
return 1;
}
protected:
ValueDialZ *valueDialZ() const
{
return static_cast<ValueDialZ*>(object());
}
};
#endif /* GUI_ACCESSIBLEVALUEDIALZ_H */