ugly hacks to make the peak display widget not act like a text entry widget. This...
[ardour.git] / gtk2_ardour / gain_meter.cc
index 36ed5e918e8c494c374b8bd4fbc4504274c20be7..00c64d02f650163625b835f5514ac6ad52611c01 100644 (file)
@@ -30,9 +30,7 @@
 #include <gdkmm/color.h>
 #include <gtkmm2ext/utils.h>
 #include <gtkmm2ext/fastmeter.h>
-#include <gtkmm2ext/barcontroller.h>
 #include <gtkmm2ext/gtk_ui.h>
-#include "midi++/manager.h"
 #include "pbd/fastlog.h"
 #include "pbd/stacktrace.h"
 
 #include "i18n.h"
 
 using namespace ARDOUR;
+using namespace ARDOUR_UI_UTILS;
 using namespace PBD;
 using namespace Gtkmm2ext;
 using namespace Gtk;
 using namespace std;
 using Gtkmm2ext::Keyboard;
+using namespace ArdourMeter;
+
+
+static void
+reset_cursor_to_default (Gtk::Entry* widget)
+{
+       Glib::RefPtr<Gdk::Window> win = widget->get_text_window ();
+       if (win) {
+               /* C++ doesn't provide a pointer argument version of this
+                  (i.e. you cannot set to NULL to get the default/parent
+                  cursor)
+               */
+               gdk_window_set_cursor (win->gobj(), 0);
+       }
+}
+
+static void
+reset_cursor_to_default_state (Gtk::StateType, Gtk::Entry* widget)
+{
+       reset_cursor_to_default (widget);
+}
 
 GainMeterBase::GainMeterBase (Session* s, bool horizontal, int fader_length, int fader_girth)
        : gain_adjustment (gain_to_slider_position_with_max (1.0, Config->get_max_gain()), 0.0, 1.0, 0.01, 0.1)
@@ -78,19 +98,20 @@ GainMeterBase::GainMeterBase (Session* s, bool horizontal, int fader_length, int
        _width = Wide;
 
        if (horizontal) {
-               gain_slider = manage (new HSliderController (&gain_adjustment, fader_length, fader_girth, false));
+               gain_slider = manage (new HSliderController (&gain_adjustment, fader_length, fader_girth));
        } else {
-               gain_slider = manage (new VSliderController (&gain_adjustment, fader_length, fader_girth, false));
+               gain_slider = manage (new VSliderController (&gain_adjustment, fader_length, fader_girth));
        }
 
-       level_meter = new LevelMeter(_session);
+       level_meter = new LevelMeterHBox(_session);
 
        level_meter->ButtonPress.connect_same_thread (_level_meter_connection, boost::bind (&GainMeterBase::level_meter_button_press, this, _1));
        meter_metric_area.signal_button_press_event().connect (sigc::mem_fun (*this, &GainMeterBase::level_meter_button_press));
        meter_metric_area.add_events (Gdk::BUTTON_PRESS_MASK);
 
-       gain_slider->signal_button_press_event().connect (sigc::mem_fun(*this, &GainMeter::gain_slider_button_press), false);
-       gain_slider->signal_button_release_event().connect (sigc::mem_fun(*this, &GainMeter::gain_slider_button_release), false);
+       gain_slider->set_tweaks (PixFader::Tweaks(PixFader::NoButtonForward | PixFader::NoVerticalScroll));
+       gain_slider->StartGesture.connect (sigc::mem_fun (*this, &GainMeter::amp_start_touch));
+       gain_slider->StopGesture.connect (sigc::mem_fun (*this, &GainMeter::amp_stop_touch));
        gain_slider->set_name ("GainFader");
 
        gain_display.set_name ("MixerStripGainDisplay");
@@ -98,12 +119,22 @@ GainMeterBase::GainMeterBase (Session* s, bool horizontal, int fader_length, int
        gain_display.signal_activate().connect (sigc::mem_fun (*this, &GainMeter::gain_activated));
        gain_display.signal_focus_in_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
        gain_display.signal_focus_out_event().connect (sigc::mem_fun (*this, &GainMeter::gain_focused), false);
+       gain_display.set_alignment(0.5);
 
        peak_display.set_name ("MixerStripPeakDisplay");
        set_size_request_to_display_given_text (peak_display, "-80.g", 2, 6); /* note the descender */
        max_peak = minus_infinity();
-       peak_display.set_label (_("-inf"));
+       peak_display.set_text (_("-inf"));
+       peak_display.set_alignment(0.5);
+       
+       /* stuff related to the fact that the peak display is not, in
+          fact, supposed to be a text entry. 
+       */
+       peak_display.set_events (peak_display.get_events() & ~(Gdk::EventMask (Gdk::LEAVE_NOTIFY_MASK|Gdk::ENTER_NOTIFY_MASK|Gdk::POINTER_MOTION_MASK)));
+       peak_display.signal_map().connect (sigc::bind (sigc::ptr_fun (reset_cursor_to_default), &peak_display));
+       peak_display.signal_state_changed().connect (sigc::bind (sigc::ptr_fun (reset_cursor_to_default_state), &peak_display));
        peak_display.unset_flags (Gtk::CAN_FOCUS);
+       peak_display.set_editable (false);
 
        gain_automation_style_button.set_name ("mixer strip button");
        gain_automation_state_button.set_name ("mixer strip button");
@@ -135,16 +166,6 @@ GainMeterBase::GainMeterBase (Session* s, bool horizontal, int fader_length, int
        UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &GainMeterBase::on_theme_changed));
        ColorsChanged.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), false));
        DPIReset.connect (sigc::bind(sigc::mem_fun (*this, &GainMeterBase::color_handler), true));
-       
-//     PBD::ScopedConnection _config_connection;
-//     Config->ParameterChanged.connect ( _config_connection, MISSING_INVALIDATOR, boost::bind(&GainMeterBase::set_flat_buttons, this, _1), gui_context() );
-}
-
-void
-GainMeterBase::set_flat_buttons ()
-{
-printf("set_flat_butt\n");
-//     gain_slider->set_flat_buttons( ARDOUR_UI::config()->flat_buttons.get() );
 }
 
 GainMeterBase::~GainMeterBase ()
@@ -274,19 +295,29 @@ void
 GainMeterBase::setup_meters (int len)
 {
        int meter_width = 5;
+       uint32_t meter_channels = 0;
+       if (_meter) {
+               meter_channels = _meter->input_streams().n_total();
+       } else if (_route) {
+               meter_channels = _route->shared_peak_meter()->input_streams().n_total();
+       }
 
        switch (_width) {
                case Wide:
-                       meter_ticks1_area.show();
-                       meter_ticks2_area.show();
-                       if (_route && _route->shared_peak_meter()->input_streams().n_total() == 1) {
+                       //meter_ticks1_area.show();
+                       //meter_ticks2_area.show();
+                       meter_metric_area.show();
+                       if (meter_channels == 1) {
                                meter_width = 10;
                        }
                        break;
                case Narrow:
-                       meter_width = 2;
-                       meter_ticks1_area.hide();
-                       meter_ticks2_area.hide();
+                       if (meter_channels > 1) {
+                               meter_width = 4;
+                       }
+                       //meter_ticks1_area.hide();
+                       //meter_ticks2_area.hide();
+                       meter_metric_area.hide();
                        break;
        }
        level_meter->setup_meters(len, meter_width);
@@ -303,7 +334,15 @@ GainMeter::setup_meters (int len)
 {
        switch (_width) {
                case Wide:
-                       hbox.set_homogeneous(true);
+                       {
+                               uint32_t meter_channels = 0;
+                               if (_meter) {
+                                       meter_channels = _meter->input_streams().n_total();
+                               } else if (_route) {
+                                       meter_channels = _route->shared_peak_meter()->input_streams().n_total();
+                               }
+                               hbox.set_homogeneous(meter_channels < 7 ? true : false);
+                       }
                        break;
                case Narrow:
                        hbox.set_homogeneous(false);
@@ -353,7 +392,7 @@ GainMeterBase::reset_peak_display ()
        _meter->reset_max();
        level_meter->clear_meters();
        max_peak = -INFINITY;
-       peak_display.set_label (_("-inf"));
+       peak_display.set_text (_("-inf"));
        peak_display.set_name ("MixerStripPeakDisplay");
 }
 
@@ -525,9 +564,12 @@ GainMeterBase::gain_changed ()
 void
 GainMeterBase::set_meter_strip_name (const char * name)
 {
+       char tmp[256];
        meter_metric_area.set_name (name);
-       meter_ticks1_area.set_name (name);
-       meter_ticks2_area.set_name (name);
+       sprintf(tmp, "Mark%sLeft", name);
+       meter_ticks1_area.set_name (tmp);
+       sprintf(tmp, "Mark%sRight", name);
+       meter_ticks2_area.set_name (tmp);
 }
 
 void
@@ -677,25 +719,16 @@ GainMeterBase::meter_point_clicked ()
        }
 }
 
-bool
-GainMeterBase::gain_slider_button_press (GdkEventButton* ev)
+void
+GainMeterBase::amp_start_touch ()
 {
-       switch (ev->type) {
-       case GDK_BUTTON_PRESS:
-               _amp->gain_control()->start_touch (_amp->session().transport_frame());
-               break;
-       default:
-               return false;
-       }
-
-       return false;
+       _amp->gain_control()->start_touch (_amp->session().transport_frame());
 }
 
-bool
-GainMeterBase::gain_slider_button_release (GdkEventButton*)
+void
+GainMeterBase::amp_stop_touch ()
 {
        _amp->gain_control()->stop_touch (false, _amp->session().transport_frame());
-       return false;
 }
 
 gint
@@ -840,6 +873,12 @@ GainMeterBase::gain_automation_state_changed ()
        }
 }
 
+const ChanCount
+GainMeterBase::meter_channels() const
+{
+               if (_meter) { return _meter->input_streams(); }
+               else { return ChanCount(); }
+}
 void
 GainMeterBase::update_meters()
 {
@@ -849,10 +888,10 @@ GainMeterBase::update_meters()
        if (mpeak > max_peak) {
                max_peak = mpeak;
                if (mpeak <= -200.0f) {
-                       peak_display.set_label (_("-inf"));
+                       peak_display.set_text (_("-inf"));
                } else {
                        snprintf (buf, sizeof(buf), "%.1f", mpeak);
-                       peak_display.set_label (buf);
+                       peak_display.set_text (buf);
                }
        }
        if (mpeak >= Config->get_meter_peak()) {
@@ -860,7 +899,7 @@ GainMeterBase::update_meters()
        }
 }
 
-void GainMeterBase::color_handler(bool dpi)
+void GainMeterBase::color_handler(bool /*dpi*/)
 {
        setup_meters();
 }
@@ -900,6 +939,11 @@ GainMeter::GainMeter (Session* s, int fader_length)
        }
        gain_display_box.pack_start (gain_display, true, true);
 
+       if (peak_display.get_parent()) {
+               peak_display.get_parent()->remove (gain_display);
+       }
+       gain_display_box.pack_start (peak_display, true, true);
+
        meter_metric_area.set_name ("AudioTrackMetrics");
        meter_metric_area.set_size_request(24, -1);
 
@@ -949,6 +993,8 @@ GainMeter::GainMeter (Session* s, int fader_length)
        meter_hbox.pack_start (meter_metric_area, false, false);
 }
 
+GainMeter::~GainMeter () { }
+
 void
 GainMeter::set_controls (boost::shared_ptr<Route> r,
                         boost::shared_ptr<PeakMeter> meter,
@@ -976,6 +1022,10 @@ GainMeter::set_controls (boost::shared_ptr<Route> r,
        }
 
 
+       if (_route) {
+               _route->active_changed.connect (model_connections, invalidator (*this), boost::bind (&GainMeter::route_active_changed, this), gui_context ());
+       }
+
        /*
           if we have a non-hidden route (ie. we're not the click or the auditioner),
           pack some route-dependent stuff.
@@ -996,6 +1046,7 @@ GainMeter::get_gm_width ()
 {
        Gtk::Requisition sz;
        int min_w = 0;
+       sz.width = 0;
        meter_metric_area.size_request (sz);
        min_w += sz.width;
        level_meter->size_request (sz);
@@ -1012,19 +1063,38 @@ GainMeter::get_gm_width ()
 gint
 GainMeter::meter_metrics_expose (GdkEventExpose *ev)
 {
-       return meter_expose_metrics(ev, _types, &meter_metric_area);
+       if (!_route) {
+               if (_types.empty()) { _types.push_back(DataType::AUDIO); }
+               return meter_expose_metrics(ev, MeterPeak, _types, &meter_metric_area);
+       }
+       return meter_expose_metrics(ev, _route->meter_type(), _types, &meter_metric_area);
 }
 
 gint
 GainMeter::meter_ticks1_expose (GdkEventExpose *ev)
 {
-       return meter_expose_ticks(ev, _types, &meter_ticks1_area);
+       if (!_route) {
+               if (_types.empty()) { _types.push_back(DataType::AUDIO); }
+               return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks1_area);
+       }
+       return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks1_area);
 }
 
 gint
 GainMeter::meter_ticks2_expose (GdkEventExpose *ev)
 {
-       return meter_expose_ticks(ev, _types, &meter_ticks2_area);
+       if (!_route) {
+               if (_types.empty()) { _types.push_back(DataType::AUDIO); }
+               return meter_expose_ticks(ev, MeterPeak, _types, &meter_ticks2_area);
+       }
+       return meter_expose_ticks(ev, _route->meter_type(), _types, &meter_ticks2_area);
+}
+
+void
+GainMeter::on_style_changed (const Glib::RefPtr<Gtk::Style>&)
+{
+       gain_display.queue_draw();
+       peak_display.queue_draw();
 }
 
 boost::shared_ptr<PBD::Controllable>
@@ -1040,7 +1110,7 @@ GainMeterBase::get_controllable()
 bool
 GainMeterBase::level_meter_button_press (GdkEventButton* ev)
 {
-       return LevelMeterButtonPress (ev); /* EMIT SIGNAL */
+       return !!LevelMeterButtonPress (ev); /* EMIT SIGNAL */
 }
 
 void
@@ -1066,18 +1136,21 @@ GainMeter::meter_configuration_changed (ChanCount c)
                        set_meter_strip_name ("AudioBusMetricsInactive");
                }
        }
-       else if (type == (1 << DataType::AUDIO)) {
+       else if (
+                          (type == (1 << DataType::MIDI))
+                       || (_route && boost::dynamic_pointer_cast<MidiTrack>(_route))
+                       ) {
                if (!_route || _route->active()) {
-                       set_meter_strip_name ("AudioTrackMetrics");
+                       set_meter_strip_name ("MidiTrackMetrics");
                } else {
-                       set_meter_strip_name ("AudioTrackMetricsInactive");
+                       set_meter_strip_name ("MidiTrackMetricsInactive");
                }
        }
-       else if (type == (1 << DataType::MIDI)) {
+       else if (type == (1 << DataType::AUDIO)) {
                if (!_route || _route->active()) {
-                       set_meter_strip_name ("MidiTrackMetrics");
+                       set_meter_strip_name ("AudioTrackMetrics");
                } else {
-                       set_meter_strip_name ("MidiTrackMetricsInactive");
+                       set_meter_strip_name ("AudioTrackMetricsInactive");
                }
        } else {
                if (!_route || _route->active()) {
@@ -1086,11 +1159,23 @@ GainMeter::meter_configuration_changed (ChanCount c)
                        set_meter_strip_name ("AudioMidiTrackMetricsInactive");
                }
        }
+
+       setup_meters();
        meter_clear_pattern_cache(4);
+       on_style_changed(Glib::RefPtr<Gtk::Style>());
+}
+
+void
+GainMeter::route_active_changed ()
+{
+       if (_meter) {
+               meter_configuration_changed (_meter->input_streams ());
+       }
 }
 
 void
 GainMeter::meter_type_changed (MeterType t)
 {
        _route->set_meter_type(t);
+       RedrawMetrics();
 }