MainBar: Replaced device selector combo-box with a split button

[pulseview.git] / pv / widgets / devicetoolbutton.hpp

diff --git a/pv/widgets/devicetoolbutton.hpp b/pv/widgets/devicetoolbutton.hpp
new file mode 100644 (file)
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+++ b/pv/widgets/devicetoolbutton.hpp
@@ -0,0 +1,99 @@
+/*
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#ifndef PULSEVIEW_PV_WIDGETS_DEVICETOOLBUTTON_H
+#define PULSEVIEW_PV_WIDGETS_DEVICETOOLBUTTON_H
+
+#include <list>
+#include <memory>
+#include <vector>
+
+#include <QAction>
+#include <QMenu>
+#include <QSignalMapper>
+#include <QToolButton>
+
+struct srd_decoder;
+
+namespace sigrok {
+class Device;
+}
+
+namespace pv {
+
+class DeviceManager;
+
+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.
+        */
+       std::shared_ptr<sigrok::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 std::list< std::shared_ptr<sigrok::Device> > &devices,
+               std::shared_ptr<sigrok::Device> selected);
+
+private:
+       /**
+        * Repopulates the menu from the device list.
+        */
+       void update_device_list();
+
+private Q_SLOTS:
+       void on_action(QObject *action);
+
+Q_SIGNALS:
+       void device_selected();
+
+private:
+       DeviceManager &device_manager_;
+       QAction *const connect_action_;
+
+       QMenu menu_;
+       QSignalMapper mapper_;
+
+       std::shared_ptr<sigrok::Device> selected_device_;
+       std::vector< std::weak_ptr<sigrok::Device> > devices_;
+};
+
+} // widgets
+} // pv
+
+#endif // PULSEVIEW_PV_WIDGETS_DEVICETOOLBUTTON_H