From b1264f5650d4bd6cb801585ed5d1dc61226a21db Mon Sep 17 00:00:00 2001
From: Joel Holdsworth <joel@airwebreathe.org.uk>
Date: Sun, 19 May 2013 10:37:52 +0100
Subject: [PATCH] Initial working context bar

---
 pv/mainwindow.cpp          | 17 +++++++++++++++++
 pv/mainwindow.h            |  4 ++++
 pv/toolbars/contextbar.cpp | 30 ++++++++++++++++++++++++++++++
 pv/toolbars/contextbar.h   |  8 ++++++++
 4 files changed, 59 insertions(+)

diff --git a/pv/mainwindow.cpp b/pv/mainwindow.cpp
index 6b3398f2..e70ca989 100644
--- a/pv/mainwindow.cpp
+++ b/pv/mainwindow.cpp
@@ -53,10 +53,15 @@
 #include <glib.h>
 #include <libsigrok/libsigrok.h>
 
+using namespace boost;
 using namespace std;
 
 namespace pv {
 
+namespace view {
+class SelectableItem;
+}
+
 MainWindow::MainWindow(DeviceManager &device_manager,
 	const char *open_file_name,
 	QWidget *parent) :
@@ -93,6 +98,9 @@ void MainWindow::setup_ui()
 	setCentralWidget(_central_widget);
 
 	_view = new pv::view::View(_session, this);
+	connect(_view, SIGNAL(selection_changed()), this,
+		SLOT(view_selection_changed()));
+
 	_vertical_layout->addWidget(_view);
 
 	// Setup the menu bar
@@ -358,4 +366,13 @@ void MainWindow::capture_state_changed(int state)
 	_sampling_bar->set_sampling(state != SigSession::Stopped);
 }
 
+void MainWindow::view_selection_changed()
+{
+	assert(_context_bar);
+
+	const list<weak_ptr<pv::view::SelectableItem> > items(
+		_view->selected_items());
+	_context_bar->set_selected_items(items);
+}
+
 } // namespace pv
diff --git a/pv/mainwindow.h b/pv/mainwindow.h
index 51577bdb..001c28b0 100644
--- a/pv/mainwindow.h
+++ b/pv/mainwindow.h
@@ -23,6 +23,8 @@
 
 #include <list>
 
+#include <boost/weak_ptr.hpp>
+
 #include <QMainWindow>
 
 #include "sigsession.h"
@@ -97,6 +99,8 @@ private slots:
 
 	void capture_state_changed(int state);
 
+	void view_selection_changed();
+
 private:
 	DeviceManager &_device_manager;
 
diff --git a/pv/toolbars/contextbar.cpp b/pv/toolbars/contextbar.cpp
index 8e92676a..a538d64a 100644
--- a/pv/toolbars/contextbar.cpp
+++ b/pv/toolbars/contextbar.cpp
@@ -18,8 +18,16 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <stdio.h>
+
+#include <boost/shared_ptr.hpp>
+#include <boost/foreach.hpp>
+
 #include "contextbar.h"
 
+#include <pv/view/selectableitem.h>
+
+using namespace boost;
 using namespace std;
 
 namespace pv {
@@ -30,5 +38,27 @@ ContextBar::ContextBar(QWidget *parent) :
 {
 }
 
+void ContextBar::set_selected_items(const list<
+	weak_ptr<pv::view::SelectableItem> > &items)
+{
+	clear();
+
+	if (items.empty())
+		return;
+
+	if (shared_ptr<pv::view::SelectableItem> item =
+		items.front().lock()) {
+
+		assert(item);
+
+		const list<QAction*> actions(
+			item->get_context_bar_actions());
+		BOOST_FOREACH(QAction *action, actions) {
+			assert(action);
+			addAction(action);
+		}
+	}
+}
+
 } // namespace toolbars
 } // namespace pv
diff --git a/pv/toolbars/contextbar.h b/pv/toolbars/contextbar.h
index 02ff37e1..6d8e7f3f 100644
--- a/pv/toolbars/contextbar.h
+++ b/pv/toolbars/contextbar.h
@@ -21,8 +21,12 @@
 #ifndef PULSEVIEW_PV_TOOLBARS_CONTEXTBAR_H
 #define PULSEVIEW_PV_TOOLBARS_CONTEXTBAR_H
 
+#include <boost/weak_ptr.hpp>
+
 #include <QToolBar>
 
+#include <pv/view/selectableitem.h>
+
 namespace pv {
 namespace toolbars {
 
@@ -32,6 +36,10 @@ class ContextBar : public QToolBar
 
 public:
 	ContextBar(QWidget *parent);
+
+public:
+	void set_selected_items(const std::list<
+		boost::weak_ptr<pv::view::SelectableItem> > &items);
 };
 
 } // namespace toolbars
-- 
2.30.2