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AudioUnit work.
[ardour.git] / gtk2_ardour / gain_meter.cc
diff --git a/gtk2_ardour/gain_meter.cc b/gtk2_ardour/gain_meter.cc
index 4cbb8a8f471a64b1fffb9a9ed1666deaa04381d4..5fa8c462bc3f08ccdd68cfe99413f97022858745 100644 (file)
--- a/gtk2_ardour/gain_meter.cc
+++ b/gtk2_ardour/gain_meter.cc
@@ -47,6 +47,7 @@
 #include "i18n.h"
 
 using namespace ARDOUR;
+using namespace PBD;
 using namespace Gtkmm2ext;
 using namespace Gtk;
 using namespace sigc;
@@ -78,7 +79,7 @@ GainMeter::setup_slider_pix ()
        return 0;
 }
 
-GainMeter::GainMeter (IO& io, Session& s)
+GainMeter::GainMeter (boost::shared_ptr<IO> io, Session& s)
        : _io (io),
          _session (s),
          gain_slider (0),
@@ -98,18 +99,13 @@ GainMeter::GainMeter (IO& io, Session& s)
        
        gain_slider = manage (new VSliderController (slider, rail,
                                                     &gain_adjustment,
-                                                    & _io.midi_gain_control(),
+                                                    _io->gain_control(),
                                                     false));
 
        gain_slider->signal_button_press_event().connect (mem_fun(*this, &GainMeter::start_gain_touch));
        gain_slider->signal_button_release_event().connect (mem_fun(*this, &GainMeter::end_gain_touch));
        gain_slider->set_name ("MixerGainMeter");
 
-       if (_session.midi_port()) {
-               _io.set_midi_to_gain_function (slider_position_to_gain);
-               _io.set_gain_to_midi_function (gain_to_slider_position);
-       }
-
        gain_display.set_print_func (_gain_printer, this);
 
        gain_display_box.set_spacing (2);
@@ -152,9 +148,11 @@ GainMeter::GainMeter (IO& io, Session& s)
        hbox.set_spacing (0);
        hbox.pack_start (*fader_vbox, false, false, 2);
 
+       set_width(Narrow);
+
        Route* r;
 
-       if ((r = dynamic_cast<Route*> (&_io)) != 0) {
+       if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
                /* 
                   if we don't have a route (if we're the click), 
                   pack some route-dependent stuff.
@@ -167,13 +165,13 @@ GainMeter::GainMeter (IO& io, Session& s)
                using namespace Menu_Helpers;
        
                gain_astate_menu.items().push_back (MenuElem (_("Off"), 
-                                                     bind (mem_fun (&_io, &IO::set_gain_automation_state), (AutoState) Off)));
+                                                     bind (mem_fun (*_io, &IO::set_gain_automation_state), (AutoState) Off)));
                gain_astate_menu.items().push_back (MenuElem (_("Play"),
-                                                     bind (mem_fun (&_io, &IO::set_gain_automation_state), (AutoState) Play)));
+                                                     bind (mem_fun (*_io, &IO::set_gain_automation_state), (AutoState) Play)));
                gain_astate_menu.items().push_back (MenuElem (_("Write"),
-                                                     bind (mem_fun (&_io, &IO::set_gain_automation_state), (AutoState) Write)));
+                                                     bind (mem_fun (*_io, &IO::set_gain_automation_state), (AutoState) Write)));
                gain_astate_menu.items().push_back (MenuElem (_("Touch"),
-                                                     bind (mem_fun (&_io, &IO::set_gain_automation_state), (AutoState) Touch)));
+                                                     bind (mem_fun (*_io, &IO::set_gain_automation_state), (AutoState) Touch)));
        
                gain_astyle_menu.items().push_back (MenuElem (_("Trim")));
                gain_astyle_menu.items().push_back (MenuElem (_("Abs")));
@@ -197,7 +195,7 @@ GainMeter::GainMeter (IO& io, Session& s)
        pack_start (gain_display_box,  Gtk::PACK_SHRINK);
        pack_start (hbox,  Gtk::PACK_SHRINK);
 
-       _io.gain_changed.connect (mem_fun(*this, &GainMeter::gain_changed));
+       _io->gain_changed.connect (mem_fun(*this, &GainMeter::gain_changed));
 
        meter_metric_area.signal_expose_event().connect (mem_fun(*this, &GainMeter::meter_metrics_expose));
        gain_adjustment.signal_value_changed().connect (mem_fun(*this, &GainMeter::gain_adjusted));
@@ -324,23 +322,27 @@ GainMeter::update_meters ()
        char buf[32];
        
        for (n = 0, i = meters.begin(); i != meters.end(); ++i, ++n) {
-                if ((*i).packed) {
-                        peak = _io.peak_input_power (n);
+               if ((*i).packed) {
+                       peak = _io->peak_input_power (n);
 
                        (*i).meter->set (log_meter (peak), peak);
-                       
-                        if (peak > max_peak) {
-                                max_peak = peak;
-                                /* set peak display */
-                                snprintf (buf, sizeof(buf), "%.1f", max_peak);
-                                peak_display_label.set_text (buf);
+                                               
+                       if (peak > max_peak) {
+               max_peak = peak;
+                /* set peak display */
+                               if (max_peak <= -200.0f) {
+                                       peak_display_label.set_text (_("-inf"));
+                               } else {
+                                       snprintf (buf, sizeof(buf), "%.1f", max_peak);
+                                       peak_display_label.set_text (buf);
+                               }
 
-                                if (max_peak >= 0.0f) {
-                                        peak_display.set_name ("MixerStripPeakDisplayPeak");
-                                }
-                        }
-                }
-        }
+                               if (max_peak >= 0.0f) {
+                                       peak_display.set_name ("MixerStripPeakDisplayPeak");
+                               }
+                       }
+               }
+       }
 }
 
 void
@@ -380,14 +382,14 @@ GainMeter::hide_all_meters ()
 void
 GainMeter::setup_meters ()
 {
-       uint32_t nmeters = _io.n_outputs();
+       uint32_t nmeters = _io->n_outputs();
        guint16 width;
 
        hide_all_meters ();
 
        Route* r;
 
-       if ((r = dynamic_cast<Route*> (&_io)) != 0) {
+       if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
 
                switch (r->meter_point()) {
                case MeterPreFader:
@@ -401,7 +403,7 @@ GainMeter::setup_meters ()
 
        } else {
 
-               nmeters = _io.n_outputs();
+               nmeters = _io->n_outputs();
 
        }
 
@@ -449,7 +451,7 @@ GainMeter::peak_button_release (GdkEventButton* ev)
                ResetAllPeakDisplays ();
        } else if (ev->button == 1 && Keyboard::modifier_state_equals (ev->state, Keyboard::Control)) {
                Route* r;
-               if ((r = dynamic_cast<Route*> (&_io)) != 0) {
+               if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
                        ResetGroupPeakDisplays (r->mix_group());
                }
        } else {
@@ -470,7 +472,7 @@ void
 GainMeter::reset_group_peak_display (RouteGroup* group)
 {
        Route* r;
-       if ((r = dynamic_cast<Route*> (&_io)) != 0) {
+       if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
                if (group == r->mix_group()) {
                        reset_peak_display ();
                }
@@ -539,14 +541,14 @@ void
 GainMeter::gain_adjusted ()
 {
        if (!ignore_toggle) {
-               _io.set_gain (slider_position_to_gain (gain_adjustment.get_value()), this);
+               _io->set_gain (slider_position_to_gain (gain_adjustment.get_value()), this);
        }
 }
 
 void
 GainMeter::effective_gain_display ()
 {
-       gfloat value = gain_to_slider_position (_io.effective_gain());
+       gfloat value = gain_to_slider_position (_io->effective_gain());
        
        if (gain_adjustment.get_value() != value) {
                ignore_toggle = true;
@@ -576,7 +578,7 @@ GainMeter::set_fader_name (const char * name)
 void
 GainMeter::update_gain_sensitive ()
 {
-       static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (!(_io.gain_automation_state() & Play));
+       static_cast<Gtkmm2ext::SliderController*>(gain_slider)->set_sensitive (!(_io->gain_automation_state() & Play));
 }
 
 
@@ -607,7 +609,7 @@ GainMeter::meter_press(GdkEventButton* ev)
 
        wait_for_release = false;
 
-       if ((_route = dynamic_cast<Route*>(&_io)) == 0) {
+       if ((_route = dynamic_cast<Route*>(_io.get())) == 0) {
                return FALSE;
        }
 
@@ -669,7 +671,7 @@ GainMeter::meter_release(GdkEventButton* ev)
        if(!ignore_toggle){
                if (wait_for_release){
                        wait_for_release = false;
-                       set_meter_point (*(dynamic_cast<Route*>(&_io)), old_meter_point);
+                       set_meter_point (*(dynamic_cast<Route*>(_io.get())), old_meter_point);
                }
        }
        return true;
@@ -698,7 +700,7 @@ GainMeter::meter_point_clicked ()
 {
        Route* r;
 
-       if ((r = dynamic_cast<Route*> (&_io)) != 0) {
+       if ((r = dynamic_cast<Route*> (_io.get())) != 0) {
 
        }
 }
@@ -706,14 +708,14 @@ GainMeter::meter_point_clicked ()
 gint
 GainMeter::start_gain_touch (GdkEventButton* ev)
 {
-       _io.start_gain_touch ();
+       _io->start_gain_touch ();
        return FALSE;
 }
 
 gint
 GainMeter::end_gain_touch (GdkEventButton* ev)
 {
-       _io.end_gain_touch ();
+       _io->end_gain_touch ();
        return FALSE;
 }
 
@@ -817,10 +819,10 @@ GainMeter::gain_automation_style_changed ()
   // Route* _route = dynamic_cast<Route*>(&_io);
        switch (_width) {
        case Wide:
-               gain_automation_style_button.set_label (astyle_string(_io.gain_automation_curve().automation_style()));
+               gain_automation_style_button.set_label (astyle_string(_io->gain_automation_curve().automation_style()));
                break;
        case Narrow:
-               gain_automation_style_button.set_label  (short_astyle_string(_io.gain_automation_curve().automation_style()));
+               gain_automation_style_button.set_label  (short_astyle_string(_io->gain_automation_curve().automation_style()));
                break;
        }
 }
@@ -835,14 +837,14 @@ GainMeter::gain_automation_state_changed ()
 
        switch (_width) {
        case Wide:
-               gain_automation_state_button.set_label (astate_string(_io.gain_automation_curve().automation_state()));
+               gain_automation_state_button.set_label (astate_string(_io->gain_automation_curve().automation_state()));
                break;
        case Narrow:
-               gain_automation_state_button.set_label (short_astate_string(_io.gain_automation_curve().automation_state()));
+               gain_automation_state_button.set_label (short_astate_string(_io->gain_automation_curve().automation_state()));
                break;
        }
 
-       x = (_io.gain_automation_state() != Off);
+       x = (_io->gain_automation_state() != Off);
        
        if (gain_automation_state_button.get_active() != x) {
                ignore_toggle = true;
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