devicewidget, streamwidget: Show only one volume slider when channels are locked

src/devicewidget.cc

@@ -46,6 +46,7 @@ DeviceWidget::DeviceWidget(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Buil
 
     this->signal_button_press_event().connect(sigc::mem_fun(*this, &DeviceWidget::onContextTriggerEvent));
     muteToggleButton->signal_clicked().connect(sigc::mem_fun(*this, &DeviceWidget::onMuteToggleButton));
+    lockToggleButton->signal_clicked().connect(sigc::mem_fun(*this, &DeviceWidget::onLockToggleButton));
     defaultToggleButton->signal_clicked().connect(sigc::mem_fun(*this, &DeviceWidget::onDefaultToggleButton));
 
     rename.set_label(_("Rename Device..."));
@@ -94,6 +95,7 @@ void DeviceWidget::setChannelMap(const pa_channel_map &m, bool can_decibel) {
     channelWidgets[m.channels-1]->last = true;
 
     lockToggleButton->set_sensitive(m.channels > 1);
+    hideLockedChannels(lockToggleButton->get_active());
 }
 
 void DeviceWidget::setVolume(const pa_cvolume &v, bool force) {
@@ -123,6 +125,13 @@ void DeviceWidget::updateChannelVolume(int channel, pa_volume_t v) {
         timeoutConnection = Glib::signal_timeout().connect(sigc::mem_fun(*this, &DeviceWidget::timeoutEvent), 100);
 }
 
+void DeviceWidget::hideLockedChannels(bool hide) {
+    for (int i = 0; i < channelMap.channels - 1; i++)
+        channelWidgets[i]->set_visible(!hide);
+
+    channelWidgets[channelMap.channels - 1]->channelLabel->set_visible(!hide);
+}
+
 void DeviceWidget::onMuteToggleButton() {
 
     lockToggleButton->set_sensitive(!muteToggleButton->get_active());
@@ -131,6 +140,10 @@ void DeviceWidget::onMuteToggleButton() {
         channelWidgets[i]->set_sensitive(!muteToggleButton->get_active());
 }
 
+void DeviceWidget::onLockToggleButton() {
+    hideLockedChannels(lockToggleButton->get_active());
+}
+
 void DeviceWidget::onDefaultToggleButton() {
 }
 

src/devicewidget.h

@@ -37,6 +37,8 @@ public:
     void setVolume(const pa_cvolume &volume, bool force = false);
     virtual void updateChannelVolume(int channel, pa_volume_t v);
 
+    void hideLockedChannels(bool hide = true);
+
     Glib::ustring name;
     Glib::ustring description;
     uint32_t index, card_index;
@@ -52,6 +54,7 @@ public:
     ChannelWidget *channelWidgets[PA_CHANNELS_MAX];
 
     virtual void onMuteToggleButton();
+    virtual void onLockToggleButton();
     virtual void onDefaultToggleButton();
     virtual void setDefault(bool isDefault);
     virtual bool onContextTriggerEvent(GdkEventButton*);

src/minimalstreamwidget.h

@@ -36,6 +36,7 @@ public:
     bool updating;
 
     virtual void onMuteToggleButton() = 0;
+    virtual void onLockToggleButton() = 0;
     virtual void updateChannelVolume(int channel, pa_volume_t v) = 0;
 
     bool volumeMeterEnabled;

src/streamwidget.cc

@@ -41,6 +41,7 @@ StreamWidget::StreamWidget(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Buil
 
     this->signal_button_press_event().connect(sigc::mem_fun(*this, &StreamWidget::onContextTriggerEvent));
     muteToggleButton->signal_clicked().connect(sigc::mem_fun(*this, &StreamWidget::onMuteToggleButton));
+    lockToggleButton->signal_clicked().connect(sigc::mem_fun(*this, &StreamWidget::onLockToggleButton));
     deviceButton->signal_clicked().connect(sigc::mem_fun(*this, &StreamWidget::onDeviceChangePopup));
 
     terminate.set_label(_("Terminate"));
@@ -83,6 +84,7 @@ void StreamWidget::setChannelMap(const pa_channel_map &m, bool can_decibel) {
     channelWidgets[m.channels-1]->setBaseVolume(PA_VOLUME_NORM);
 
     lockToggleButton->set_sensitive(m.channels > 1);
+    hideLockedChannels(lockToggleButton->get_active());
 }
 
 void StreamWidget::setVolume(const pa_cvolume &v, bool force) {
@@ -113,6 +115,13 @@ void StreamWidget::updateChannelVolume(int channel, pa_volume_t v) {
         timeoutConnection = Glib::signal_timeout().connect(sigc::mem_fun(*this, &StreamWidget::timeoutEvent), 100);
 }
 
+void StreamWidget::hideLockedChannels(bool hide) {
+    for (int i = 0; i < channelMap.channels - 1; i++)
+        channelWidgets[i]->set_visible(!hide);
+
+    channelWidgets[channelMap.channels - 1]->channelLabel->set_visible(!hide);
+}
+
 void StreamWidget::onMuteToggleButton() {
 
     lockToggleButton->set_sensitive(!muteToggleButton->get_active());
@@ -121,6 +130,10 @@ void StreamWidget::onMuteToggleButton() {
         channelWidgets[i]->set_sensitive(!muteToggleButton->get_active());
 }
 
+void StreamWidget::onLockToggleButton() {
+    hideLockedChannels(lockToggleButton->get_active());
+}
+
 bool StreamWidget::timeoutEvent() {
     executeVolumeUpdate();
     return false;

src/streamwidget.h

@@ -37,6 +37,8 @@ public:
     void setVolume(const pa_cvolume &volume, bool force = false);
     virtual void updateChannelVolume(int channel, pa_volume_t v);
 
+    void hideLockedChannels(bool hide = true);
+
     Gtk::ToggleButton *lockToggleButton, *muteToggleButton;
     Gtk::Label *directionLabel;
     Gtk::Button *deviceButton;
@@ -48,6 +50,7 @@ public:
     ChannelWidget *channelWidgets[PA_CHANNELS_MAX];
 
     virtual void onMuteToggleButton();
+    virtual void onLockToggleButton();
     virtual void onDeviceChangePopup();
     virtual bool onContextTriggerEvent(GdkEventButton*);