Blink disk+dsp gauges on major errors ( disk out of space or xrun-while-recording )

[ardour.git] / gtk2_ardour / dsp_load_indicator.cc

diff --git a/gtk2_ardour/dsp_load_indicator.cc b/gtk2_ardour/dsp_load_indicator.cc
index bf033b7b32c11efe742f9f53fc103d9e9c805e2d..d39b610c4a1773438c4cc089300dfb8a6ceef609 100644 (file)
--- a/gtk2_ardour/dsp_load_indicator.cc
+++ b/gtk2_ardour/dsp_load_indicator.cc
@@ -16,40 +16,21 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  */
 
-#include "gtkmm2ext/utils.h"
-#include "widgets/tooltips.h"
-
 #include "ardour_ui.h"
 #include "dsp_load_indicator.h"
-#include "ui_config.h"
+
+#include "ardour/audioengine.h"
 
 #include "pbd/i18n.h"
 
 #define PADDING 3
 
 DspLoadIndicator::DspLoadIndicator ()
-       : _dsp_load (0)
+       : ArdourGauge ("00.0%")
+       , _dsp_load (0)
        , _xrun_count (0)
+       , _xrun_while_recording (false)
 {
-       _layout = Pango::Layout::create (get_pango_context ());
-       _layout->set_text ("99.9%");
-}
-
-DspLoadIndicator::~DspLoadIndicator ()
-{
-}
-
-void
-DspLoadIndicator::on_size_request (Gtk::Requisition* req)
-{
-       req->width = req->height = 0;
-       CairoWidget::on_size_request (req);
-
-       int w, h;
-       _layout->get_pixel_size (w, h);
-
-       req->width = std::max (req->width, std::max (12, h + PADDING));
-       req->height = std::max (req->height, 20 /*std::max (20, w + PADDING) */);
 }
 
 void
@@ -59,8 +40,7 @@ DspLoadIndicator::set_xrun_count (const unsigned int xruns)
                return;
        }
        _xrun_count = xruns;
-       queue_draw ();
-       update_tooltip ();
+       update ();
 }
 
 void
@@ -73,82 +53,53 @@ DspLoadIndicator::set_dsp_load (const double load)
 
        char buf[64];
        snprintf (buf, sizeof (buf), "%.1f%%", _dsp_load);
-       _layout->set_text (buf);
-
-       queue_draw ();
-       update_tooltip ();
+       update (std::string (buf));
 }
 
-void
-DspLoadIndicator::update_tooltip ()
-{
-       char buf[64];
-       if (_xrun_count == UINT_MAX) {
-               snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: ?"), _dsp_load);
-       } else if (_xrun_count > 9999) {
-               snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: >10k"), _dsp_load);
-       } else {
-               snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: %u"), _dsp_load, _xrun_count);
-       }
-       ArdourWidgets::set_tooltip (*this, buf);
+float
+DspLoadIndicator::level () const {
+       return _dsp_load / 100.f;
 }
 
-void
-DspLoadIndicator::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_t*)
+bool
+DspLoadIndicator::alert () const
 {
-       cairo_t* cr = ctx->cobj ();
-       Gtkmm2ext::Color base = UIConfiguration::instance ().color ("ruler base");
-       Gtkmm2ext::Color text = UIConfiguration::instance ().color ("ruler text");
-
-       const int width = get_width ();
-       const int height = get_height ();
-
-       Gtkmm2ext::rounded_rectangle (cr, 0, 0, width, height, PADDING + 1);
-       Gtkmm2ext::set_source_rgba (cr, base);
-       cairo_fill (cr);
-
-       if (_xrun_count > 0) {
-               Gtkmm2ext::rounded_rectangle (cr, 1, 1, width - 2, height - 2, PADDING + 1);
-               cairo_set_source_rgba (cr, 0.5, 0, 0, 1.0);
-               cairo_fill (cr);
-       }
+       bool ret = false;
+       
+       //xrun while recording
+       ret |= _xrun_while_recording;
 
-       Gtkmm2ext::rounded_rectangle (cr, PADDING, PADDING, width - PADDING - PADDING, height - PADDING - PADDING, PADDING + 1);
-       cairo_clip (cr);
-
-       int bh = (height - PADDING - PADDING) * _dsp_load / 100.f;
-       cairo_rectangle (cr, PADDING, height - PADDING - bh, width - PADDING, bh);
+       //engine OFF
+       ret |= !ARDOUR::AudioEngine::instance()->running();
+}
 
+ArdourGauge::Status
+DspLoadIndicator::indicator () const
+{
        if (_dsp_load > 90) {
-               cairo_set_source_rgba (cr, .9, 0, 0, 1.0);
+               return ArdourGauge::Level_CRIT;
        } else if (_dsp_load > 80) {
-               cairo_set_source_rgba (cr, .7, .6, 0, 1.0);
+               return ArdourGauge::Level_WARN;
        } else {
-               cairo_set_source_rgba (cr, 0, .5, 0, 1.0);
+               return ArdourGauge::Level_OK;
        }
-       cairo_fill (cr);
-
-       int w, h;
-       _layout->get_pixel_size (w, h);
-
-       cairo_save (cr);
-       cairo_new_path (cr);
-       cairo_translate (cr, width * .5, height * .5);
-       cairo_rotate (cr, M_PI * -.5);
+}
 
-       cairo_move_to (cr, w * -.5, h * -.5);
-       pango_cairo_update_layout (cr, _layout->gobj());
-       Gtkmm2ext::set_source_rgb_a (cr, base, 0.5);
-       pango_cairo_layout_path (cr, _layout->gobj());
-       cairo_set_line_width (cr, 1.5);
-       cairo_stroke (cr);
+std::string
+DspLoadIndicator::tooltip_text ()
+{
+       char buf[64];
 
-       cairo_move_to (cr, w * -.5, h * -.5);
-       pango_cairo_update_layout (cr, _layout->gobj());
-       Gtkmm2ext::set_source_rgba (cr, text);
-       pango_cairo_show_layout (cr, _layout->gobj());
+       //xruns
+       if (_xrun_count == UINT_MAX) {
+               snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: ?"), _dsp_load);
+       } else if (_xrun_count > 9999) {
+               snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: >10k"), _dsp_load);
+       } else {
+               snprintf (buf, sizeof (buf), _("DSP: %.1f%% X: %u"), _dsp_load, _xrun_count);
+       }
 
-       cairo_restore (cr);
+       return buf;
 }
 
 bool
@@ -157,6 +108,7 @@ DspLoadIndicator::on_button_release_event (GdkEventButton *ev)
        ARDOUR::Session* s = ARDOUR_UI::instance ()->the_session ();
        if (s) {
                s->reset_xrun_count ();
+               _xrun_while_recording = false;
        }
        return true;
 }