X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fwidgets%2Fdevicetoolbutton.cpp;fp=pv%2Fwidgets%2Fdevicetoolbutton.cpp;h=27ba31a62120d5e97a2085fed6e4337d204116b6;hb=079d39ea735015597a65390e4c5cacc7d272f78c;hp=0000000000000000000000000000000000000000;hpb=168888e25af380e62280acec3e3f316bbfed09d9;p=pulseview.git

diff --git a/pv/widgets/devicetoolbutton.cpp b/pv/widgets/devicetoolbutton.cpp
new file mode 100644
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+++ b/pv/widgets/devicetoolbutton.cpp
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+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2015 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
+ */
+
+#include <cassert>
+
+#include <libsigrok/libsigrok.hpp>
+
+#include <pv/devicemanager.hpp>
+
+#include "devicetoolbutton.hpp"
+
+using std::list;
+using std::shared_ptr;
+using std::string;
+using std::weak_ptr;
+using std::vector;
+
+using sigrok::Device;
+
+namespace pv {
+namespace widgets {
+
+DeviceToolButton::DeviceToolButton(QWidget *parent,
+	DeviceManager &device_manager,
+	QAction *connect_action) :
+	QToolButton(parent),
+	device_manager_(device_manager),
+	connect_action_(connect_action),
+	menu_(this),
+	mapper_(this),
+	devices_()
+{
+	setPopupMode(QToolButton::MenuButtonPopup);
+	setMenu(&menu_);
+	setDefaultAction(connect_action_);
+	setMinimumWidth(QFontMetrics(font()).averageCharWidth() * 24);
+
+	connect(&mapper_, SIGNAL(mapped(QObject*)),
+		this, SLOT(on_action(QObject*)));
+}
+
+shared_ptr<Device> DeviceToolButton::selected_device()
+{
+	return selected_device_;
+}
+
+void DeviceToolButton::set_device_list(
+	const list< shared_ptr<Device> > &devices, shared_ptr<Device> selected)
+{
+	selected_device_ = selected;
+	setText(QString::fromStdString(
+		device_manager_.get_display_name(selected)));
+	devices_ = vector< weak_ptr<Device> >(devices.begin(), devices.end());
+	update_device_list();
+}
+
+void DeviceToolButton::update_device_list()
+{
+	menu_.clear();
+	menu_.addAction(connect_action_);
+	menu_.setDefaultAction(connect_action_);
+	menu_.addSeparator();
+
+	for (weak_ptr<Device> dev_weak_ptr : devices_) {
+		shared_ptr<Device> dev(dev_weak_ptr);
+		if (!dev)
+			continue;
+
+		QAction *const a = new QAction(QString::fromStdString(
+			device_manager_.get_display_name(dev)), this);
+		a->setCheckable(true);
+		a->setChecked(selected_device_ == dev);
+		a->setData(qVariantFromValue((void*)dev.get()));
+		mapper_.setMapping(a, a);
+
+		connect(a, SIGNAL(triggered()), &mapper_, SLOT(map()));
+
+		menu_.addAction(a);
+	}
+}
+
+void DeviceToolButton::on_action(QObject *action)
+{
+	assert(action);
+
+	Device *const dev = (Device*)((QAction*)action)->data().value<void*>();
+	for (weak_ptr<Device> dev_weak_ptr : devices_) {
+		shared_ptr<Device> dev_ptr(dev_weak_ptr);
+		if (dev_ptr.get() == dev) {
+			selected_device_ = shared_ptr<Device>(dev_ptr);
+			break;
+		}
+	}
+
+	update_device_list();
+	setText(QString::fromStdString(
+		device_manager_.get_display_name(selected_device_)));
+
+	device_selected();
+}
+
+} // widgets
+} // pv