pulseview/pv/widgets/devicetoolbutton.hpp

116 lines
2.6 KiB
C++

/*
* This file is part of the PulseView project.
*
* Copyright (C) 2014 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/>.
*/
#ifndef PULSEVIEW_PV_WIDGETS_DEVICETOOLBUTTON_HPP
#define PULSEVIEW_PV_WIDGETS_DEVICETOOLBUTTON_HPP
#include <list>
#include <memory>
#include <vector>
#include <QAction>
#include <QMenu>
#include <QSignalMapper>
#include <QToolButton>
using std::list;
using std::shared_ptr;
using std::vector;
using std::weak_ptr;
struct srd_decoder;
namespace pv {
class DeviceManager;
namespace devices {
class Device;
}
namespace widgets {
class DeviceToolButton : public QToolButton
{
Q_OBJECT;
public:
/**
* Constructor
* @param parent the parent widget.
* @param device_manager the device manager.
* @param connect_action the connect-to-device action.
*/
DeviceToolButton(QWidget *parent, DeviceManager &device_manager,
QAction *connect_action);
/**
* Returns a reference to the selected device.
*/
shared_ptr<devices::Device> selected_device();
/**
* Sets the current list of devices.
* @param device the list of devices.
* @param selected_device the currently active device.
*/
void set_device_list(
const list< shared_ptr<devices::Device> > &devices,
shared_ptr<devices::Device> selected);
/**
* Sets the current device to "no device". Useful for when a selected
* device fails to open.
*/
void reset();
private:
/**
* Repopulates the menu from the device list.
*/
void update_device_list();
private Q_SLOTS:
void on_action(QObject *action);
void on_menu_hovered(QAction *action);
void on_menu_hover_timeout();
Q_SIGNALS:
void device_selected();
private:
DeviceManager &device_manager_;
QAction *const connect_action_;
QMenu menu_;
QSignalMapper mapper_;
shared_ptr<devices::Device> selected_device_;
vector< weak_ptr<devices::Device> > devices_;
QString device_tooltip_;
};
} // namespace widgets
} // namespace pv
#endif // PULSEVIEW_PV_WIDGETS_DEVICETOOLBUTTON_HPP