change the way buttons work in declarativewatchlets

2 files changed, 36 insertions, 5 deletions

diff --git a/libsowatch/declarativewatchwrapper.cpp b/libsowatch/declarativewatchwrapper.cpp
index d972d86..122545f 100644
--- a/libsowatch/declarativewatchwrapper.cpp
+++ b/libsowatch/declarativewatchwrapper.cpp
@@ -25,17 +25,27 @@ bool DeclarativeWatchWrapper::active() const
 
 QList<QObject*> DeclarativeWatchWrapper::notifications() const
 {
-	// TODO: Figure a better way for this; QAbstractListModel, etc.
+	// TODO: Figure out a better way for this; QAbstractListModel, etc.
 	QList<Notification*> nl = _server->liveNotifications();
 	QList<QObject*> ol;
 	foreach (Notification* n, nl) {
 		QObject * o = n;
 		ol.append(o);
 	}
-	qDebug() << "notifications declarative: " << ol;
+	qDebug() << "notifications to declarative: " << ol;
 	return ol;
 }
 
+void DeclarativeWatchWrapper::useButton(int button)
+{
+	if (!_usedButtons.contains(button)) {
+		_usedButtons.insert(button);
+		if (_active) {
+			_watch->grabButton(button);
+		}
+	}
+}
+
 void DeclarativeWatchWrapper::vibrate(int msecs)
 {
 	if (_active) {
@@ -46,12 +56,22 @@ void DeclarativeWatchWrapper::vibrate(int msecs)
 void DeclarativeWatchWrapper::activate()
 {
 	if (!_active) {
+		_active = true;
+
+		// Grab all of the buttons used by this watchlet
+		foreach (int button, _usedButtons) {
+			_watch->grabButton(button);
+		}
+
+		// Forward the button signals
 		connect(_watch, SIGNAL(buttonPressed(int)), this, SIGNAL(buttonPressed(int)));
 		connect(_watch, SIGNAL(buttonReleased(int)), this, SIGNAL(buttonReleased(int)));
-		_active = true;
+
+		// Emit the active signal
 		emit activeChanged();
+
 		// Since a notification currently causes the active watchlet to be deactivated,
-		// we can assume notifications only change when we are deactivated.
+		// we can assume the notifications list only changes when we are deactivated.
 		emit notificationsChanged();
 	}
 }
@@ -59,8 +79,17 @@ void DeclarativeWatchWrapper::activate()
 void DeclarativeWatchWrapper::deactivate()
 {
 	if (_active) {
-		disconnect(_watch, 0, this, 0);
 		_active = false;
+
+		// Stop forwarding button presses
+		disconnect(_watch, 0, this, 0);
+
+		// Ungrab all the buttons used by this watchlet
+		foreach (int button, _usedButtons) {
+			_watch->ungrabButton(button);
+		}
+
+		// Emit the deactivated signal
 		emit activeChanged();
 	}
 }
diff --git a/libsowatch/declarativewatchwrapper.h b/libsowatch/declarativewatchwrapper.h
index 8d4fd7d..5a827ab 100644
--- a/libsowatch/declarativewatchwrapper.h
+++ b/libsowatch/declarativewatchwrapper.h
@@ -28,6 +28,7 @@ public:
 	QList<QObject*> notifications() const;
 
 public slots:
+	void useButton(int button);
 	void vibrate(int msecs);
 
 signals:
@@ -41,6 +42,7 @@ private:
 	WatchServer *_server;
 	Watch* _watch;
 	bool _active;
+	QSet<int> _usedButtons;
 
 	void activate();
 	void deactivate();