Add Toolbar disk-space widget.

gtk2_ardour/ardour_ui.cc

@@ -1771,6 +1771,7 @@ void
 ARDOUR_UI::update_disk_space()
 {
 	if (_session == 0) {
+		disk_space_indicator.set_available_disk_sec (-1);
 		return;
 	}
 
@@ -1780,14 +1781,17 @@ ARDOUR_UI::update_disk_space()
 
 	if (fr == 0) {
 		/* skip update - no SR available */
+		disk_space_indicator.set_available_disk_sec (-1);
 		return;
 	}
 
 	if (!opt_samples) {
 		/* Available space is unknown */
 		snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">Unknown</span>"));
+		disk_space_indicator.set_available_disk_sec (-1);
 	} else if (opt_samples.get_value_or (0) == max_samplecnt) {
 		snprintf (buf, sizeof (buf), "%s", _("Disk: <span foreground=\"green\">24hrs+</span>"));
+		disk_space_indicator.set_available_disk_sec (max_samplecnt);
 	} else {
 		rec_enabled_streams = 0;
 		_session->foreach_route (this, &ARDOUR_UI::count_recenabled_streams, false);
@@ -1802,6 +1806,8 @@ ARDOUR_UI::update_disk_space()
 		int mins;
 		int secs;
 
+		disk_space_indicator.set_available_disk_sec (samples / (float)fr);
+
 		hrs  = samples / (fr * 3600);
 
 		if (hrs > 24) {

gtk2_ardour/ardour_ui.h

@@ -75,6 +75,7 @@
 #include "ardour_dialog.h"
 #include "ardour_window.h"
 #include "dsp_load_indicator.h"
+#include "disk_space_indicator.h"
 #include "editing.h"
 #include "enums.h"
 #include "mini_timeline.h"
@@ -484,10 +485,11 @@ private:
 	void toggle_time_master ();
 	void toggle_video_sync ();
 
-	ShuttleControl   shuttle_box;
-	MiniTimeline     mini_timeline;
-	TimeInfoBox*     time_info_box;
-	DspLoadIndicator dsp_load_indicator;
+	ShuttleControl     shuttle_box;
+	MiniTimeline       mini_timeline;
+	TimeInfoBox*       time_info_box;
+	DspLoadIndicator   dsp_load_indicator;
+	DiskSpaceIndicator disk_space_indicator;
 
 	ArdourWidgets::ArdourButton auto_return_button;
 	ArdourWidgets::ArdourButton follow_edits_button;

gtk2_ardour/ardour_ui2.cc

@@ -198,6 +198,14 @@ ARDOUR_UI::repack_transport_hbox ()
 		dsp_load_indicator.show();
 	}
 
+	if (disk_space_indicator.get_parent()) {
+		transport_hbox.remove (disk_space_indicator);
+	}
+	if (UIConfiguration::instance().get_show_disk_space_info ()) {
+		transport_hbox.pack_start (disk_space_indicator, false, false);
+		disk_space_indicator.show();
+	}
+
 	if (editor_meter) {
 		if (meter_box.get_parent()) {
 			transport_hbox.remove (meter_box);

gtk2_ardour/ardour_ui_options.cc

@@ -472,6 +472,8 @@ ARDOUR_UI::parameter_changed (std::string p)
 		repack_transport_hbox ();
 	} else if (p == "show-dsp-load-info") {
 		repack_transport_hbox ();
+	} else if (p == "show-disk-space-info") {
+		repack_transport_hbox ();
 	} else if (p == "show-toolbar-recpunch") {
 		repack_transport_hbox ();
 	} else if (p == "show-toolbar-monitoring") {

gtk2_ardour/disk_space_indicator.cc

@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
+ *
+ * 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 Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include "ardour_ui.h"
+#include "dsp_load_indicator.h"
+
+#include "pbd/i18n.h"
+
+#define PADDING 3
+
+DiskSpaceIndicator::DiskSpaceIndicator ()
+	: ArdourGauge (">24h")
+	, _sec (-1)
+{
+}
+
+void
+DiskSpaceIndicator::set_available_disk_sec (float sec)
+{
+	if (_sec == sec) {
+		return;
+	}
+	_sec = sec;
+
+	if (sec < 0) {
+		update (_("N/A"));
+		return;
+	}
+
+	char buf[64];
+	if (_sec > 86400) {
+		update (_(">24h"));
+		return;
+	} else if (_sec > 32400 /* 9 hours */) {
+		snprintf (buf, sizeof (buf), "%.0fh", _sec / 3600.f);
+	} else if (_sec > 5940 /* 99 mins */) {
+		snprintf (buf, sizeof (buf), "%.1fh", _sec / 3600.f);
+	} else {
+		snprintf (buf, sizeof (buf), "%.0fm", _sec / 60.f);
+	}
+	update (std::string (buf));
+}
+
+float
+DiskSpaceIndicator::level () const {
+	static const float lm = 6.f * 3600.f;
+	if (_sec < 0) return 0;
+	if (_sec > lm) return 1.0;
+	return _sec / lm;
+}
+
+bool
+DiskSpaceIndicator::alert () const
+{
+	return _sec >=0 && _sec < 60.f * 10.f;
+}
+
+ArdourGauge::Status
+DiskSpaceIndicator::indicator () const
+{
+	if (_sec > 3600.f) {
+		return ArdourGauge::Level_OK;
+	} else if (_sec > 1800.f) {
+		return ArdourGauge::Level_WARN;
+	}
+	return ArdourGauge::Level_CRIT;
+}
+
+std::string
+DiskSpaceIndicator::tooltip_text ()
+{
+	if (_sec < 0) {
+		return _("Unkown");
+	}
+
+	int sec = floor (_sec);
+	char buf[64];
+	int hrs  = sec / 3600;
+	int mins = (sec / 60) % 60;
+	int secs = sec % 60;
+
+	snprintf (buf, sizeof(buf), _("%02dh:%02dm:%02ds"), hrs, mins, secs);
+	return _("Available capture disk-space: ") + std::string (buf);
+}

gtk2_ardour/disk_space_indicator.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
+ *
+ * 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 Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef __gtkardour_disk_space_indicator_h__
+#define __gtkardour_disk_space_indicator_h__
+
+#include <pangomm.h>
+
+#include "ardour_gauge.h"
+
+class DiskSpaceIndicator : public ArdourGauge
+{
+public:
+	DiskSpaceIndicator ();
+
+	void set_available_disk_sec (float);
+
+protected:
+	bool alert () const;
+	ArdourGauge::Status indicator () const;
+	float level () const;
+	std::string tooltip_text ();
+
+private:
+	float _sec;
+};
+
+#endif

gtk2_ardour/rc_option_editor.cc

@@ -3804,6 +3804,14 @@ RCOptionEditor::RCOptionEditor ()
 		     sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_show_dsp_load_info)
 		     ));
 
+	add_option (_("Appearance/Toolbar"),
+	     new BoolOption (
+		     "show-disk-space-info",
+		     _("Display Disk Space Information"),
+		     sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::get_show_disk_space_info),
+		     sigc::mem_fun (UIConfiguration::instance(), &UIConfiguration::set_show_disk_space_info)
+		     ));
+
 	add_option (_("Appearance/Toolbar"),
 	     new BoolOption (
 		     "show-mini-timeline",

gtk2_ardour/ui_config_vars.h

@@ -83,6 +83,7 @@ UI_CONFIG_VARIABLE (bool, show_toolbar_monitoring, "show-toolbar-monitoring", fa
 UI_CONFIG_VARIABLE (bool, show_toolbar_selclock, "show-toolbar-selclock", false)
 UI_CONFIG_VARIABLE (bool, show_mini_timeline, "show-mini-timeline", true)
 UI_CONFIG_VARIABLE (bool, show_dsp_load_info, "show-dsp-load-info", true)
+UI_CONFIG_VARIABLE (bool, show_disk_space_info, "show-disk-space-info", true)
 UI_CONFIG_VARIABLE (bool, show_secondary_clock, "show-secondary-clock", true)
 UI_CONFIG_VARIABLE (double, waveform_clip_level, "waveform-clip-level", -0.0933967) /* units of dB */
 UI_CONFIG_VARIABLE (bool, hiding_groups_deactivates_groups, "hiding-groups-deactivates-groups", true)

gtk2_ardour/wscript

@@ -65,6 +65,7 @@ gtk2_ardour_sources = [
         'cursor_context.cc',
         'curvetest.cc',
         'debug.cc',
+        'disk_space_indicator.cc',
         'duplicate_routes_dialog.cc',
         'dsp_load_indicator.cc',
         'edit_note_dialog.cc',