Split the minimalstreamwidget into it's own file

1 files changed, 118 insertions, 0 deletions

diff --git a/src/minimalstreamwidget.cc b/src/minimalstreamwidget.cc
new file mode 100644
index 0000000..63f9b02
--- /dev/null
+++ b/src/minimalstreamwidget.cc
@@ -0,0 +1,118 @@
+/***
+  This file is part of pavucontrol.
+
+  Copyright 2006-2008 Lennart Poettering
+  Copyright 2009 Colin Guthrie
+
+  pavucontrol 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.
+
+  pavucontrol 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 pavucontrol. If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "minimalstreamwidget.h"
+
+/*** MinimalStreamWidget ***/
+MinimalStreamWidget::MinimalStreamWidget(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& x) :
+    Gtk::VBox(cobject),
+    peakProgressBar(),
+    lastPeak(0),
+    updating(false),
+    volumeMeterEnabled(false) {
+
+    x->get_widget("channelsVBox", channelsVBox);
+    x->get_widget("nameLabel", nameLabel);
+    x->get_widget("boldNameLabel", boldNameLabel);
+    x->get_widget("streamToggle", streamToggleButton);
+    x->get_widget("iconImage", iconImage);
+
+    peakProgressBar.set_size_request(-1, 10);
+    channelsVBox->pack_end(peakProgressBar, false, false);
+
+    streamToggleButton->set_active(false);
+    streamToggleButton->signal_clicked().connect(sigc::mem_fun(*this, &MinimalStreamWidget::onStreamToggleButton));
+    menu.signal_deactivate().connect(sigc::mem_fun(*this, &MinimalStreamWidget::onMenuDeactivated));
+
+    peakProgressBar.hide();
+}
+
+void MinimalStreamWidget::prepareMenu(void) {
+}
+
+void MinimalStreamWidget::onMenuDeactivated(void) {
+    streamToggleButton->set_active(false);
+}
+
+void MinimalStreamWidget::popupMenuPosition(int& x, int& y, bool& push_in G_GNUC_UNUSED) {
+    Gtk::Requisition  r;
+
+    streamToggleButton->get_window()->get_origin(x, y);
+    r = menu.size_request();
+
+    /* Align the right side of the menu with the right side of the togglebutton */
+    x += streamToggleButton->get_allocation().get_x();
+    x += streamToggleButton->get_allocation().get_width();
+    x -= r.width;
+
+    /* Align the top of the menu with the buttom of the togglebutton */
+    y += streamToggleButton->get_allocation().get_y();
+    y += streamToggleButton->get_allocation().get_height();
+}
+
+void MinimalStreamWidget::onStreamToggleButton(void) {
+    if (streamToggleButton->get_active()) {
+        prepareMenu();
+        menu.popup(sigc::mem_fun(*this, &MinimalStreamWidget::popupMenuPosition), 0, gtk_get_current_event_time());
+    }
+}
+
+bool MinimalStreamWidget::on_button_press_event (GdkEventButton* event) {
+    if (Gtk::VBox::on_button_press_event(event))
+        return TRUE;
+
+    if (event->type == GDK_BUTTON_PRESS && event->button == 3) {
+        prepareMenu();
+        menu.popup(0, event->time);
+        return TRUE;
+    }
+
+    return FALSE;
+}
+
+#define DECAY_STEP .04
+
+void MinimalStreamWidget::updatePeak(double v) {
+
+    if (lastPeak >= DECAY_STEP)
+        if (v < lastPeak - DECAY_STEP)
+            v = lastPeak - DECAY_STEP;
+
+    lastPeak = v;
+
+    if (v >= 0) {
+        peakProgressBar.set_sensitive(TRUE);
+        peakProgressBar.set_fraction(v);
+    } else {
+        peakProgressBar.set_sensitive(FALSE);
+        peakProgressBar.set_fraction(0);
+    }
+
+    enableVolumeMeter();
+}
+
+void MinimalStreamWidget::enableVolumeMeter() {
+    if (volumeMeterEnabled)
+        return;
+
+    volumeMeterEnabled = true;
+    peakProgressBar.show();
+}
+