number/name on meterbridge
[ardour.git] / gtk2_ardour / meterbridge.cc
index 1c06fb593a3b1ddee6948b64fe570d1a7318eba6..d6f1fee0ad2dff149126e56e3606e095740ad555 100644 (file)
@@ -43,6 +43,7 @@
 
 #include "meterbridge.h"
 
+#include "keyboard.h"
 #include "monitor_section.h"
 #include "public_editor.h"
 #include "ardour_ui.h"
@@ -50,6 +51,8 @@
 #include "route_sorter.h"
 #include "actions.h"
 #include "gui_thread.h"
+#include "global_signals.h"
+#include "meter_patterns.h"
 
 #include "i18n.h"
 
@@ -92,64 +95,96 @@ struct SignalOrderRouteSorter {
        }
 };
 
-/* modified version of above
- * used in Meterbridge::sync_order_keys()
- */
-struct MeterOrderRouteSorter {
-       bool operator() (MeterStrip *ma, MeterStrip *mb) {
-               boost::shared_ptr<Route> a = ma->route();
-               boost::shared_ptr<Route> b = mb->route();
-               if (a->is_master() || a->is_monitor()) {
-                       /* "a" is a special route (master, monitor, etc), and comes
-                        * last in the mixer ordering
-                        */
-                       return false;
-               } else if (b->is_master() || b->is_monitor()) {
-                       /* everything comes before b */
-                       return true;
-               }
-               return a->order_key (MixerSort) < b->order_key (MixerSort);
-       }
-};
-
-
 Meterbridge::Meterbridge ()
        : Window (Gtk::WINDOW_TOPLEVEL)
        , VisibilityTracker (*((Gtk::Window*) this))
        , _visible (false)
        , _show_busses (false)
+       , metrics_left (1)
+       , metrics_right (2)
+       , cur_max_width (-1)
 {
        set_name ("Meter Bridge");
 
+       m_width = default_width;
+       m_height = default_height;
+       m_root_x = 1;
+       m_root_y = 1;
+
        update_title ();
 
        set_wmclass (X_("ardour_mixer"), PROGRAM_NAME);
 
        Gdk::Geometry geom;
        geom.max_width = 1<<16;
-       geom.max_height = 1024; // XXX see FastMeter::max_pattern_metric_size
+       geom.max_height = max_height;
        set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MAX_SIZE);
 
-       /* disable "maximize" button because it overrides size hint from above,
-        * this also keeps window on top..
-        */
-       set_type_hint(Gdk::WINDOW_TYPE_HINT_UTILITY);
+       set_keep_above (true);
+       set_border_width (0);
+
+       metrics_vpacker_left.pack_start (metrics_left, true, true);
+       metrics_vpacker_left.pack_start (metrics_spacer_left, false, false);
+       metrics_spacer_left.set_size_request(-1, 0);
+       metrics_spacer_left.set_spacing(0);
+
+       metrics_vpacker_right.pack_start (metrics_right, true, true);
+       metrics_vpacker_right.pack_start (metrics_spacer_right, false, false);
+       metrics_spacer_right.set_size_request(-1, 0);
+       metrics_spacer_right.set_spacing(0);
 
        signal_delete_event().connect (sigc::mem_fun (*this, &Meterbridge::hide_window));
        signal_configure_event().connect (sigc::mem_fun (*ARDOUR_UI::instance(), &ARDOUR_UI::configure_handler));
        Route::SyncOrderKeys.connect (*this, invalidator (*this), boost::bind (&Meterbridge::sync_order_keys, this, _1), gui_context());
-
        MeterStrip::CatchDeletion.connect (*this, invalidator (*this), boost::bind (&Meterbridge::remove_strip, this, _1), gui_context());
-
-       global_hpacker.set_spacing(3);
-       scroller.add (global_hpacker);
+       MeterStrip::MetricChanged.connect_same_thread (*this, boost::bind(&Meterbridge::update_metrics, this));
+
+       /* work around ScrolledWindowViewport alignment mess Part one */
+       Gtk::HBox * yspc = manage (new Gtk::HBox());
+       yspc->set_size_request(-1, 1);
+       Gtk::VBox * xspc = manage (new Gtk::VBox());
+       xspc->pack_start(meterarea, true, true);
+       xspc->pack_start(*yspc, false, false);
+       yspc->show();
+       xspc->show();
+
+       meterarea.set_spacing(0);
+       scroller.set_shadow_type(Gtk::SHADOW_NONE);
+       scroller.set_border_width(0);
+       scroller.add (*xspc);
        scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_NEVER);
-       global_vpacker.pack_start (scroller, true, true);
+
+       global_hpacker.pack_start (metrics_vpacker_left, false, false);
+       global_hpacker.pack_start (scroller, true, true);
+       global_hpacker.pack_start (metrics_vpacker_right, false, false);
+
+       global_vpacker.pack_start (global_hpacker, true, true);
        add (global_vpacker);
 
-       global_hpacker.show();
+       metrics_left.show();
+       metrics_right.show();
+
+       metrics_vpacker_left.show();
+       metrics_spacer_left.show();
+       metrics_vpacker_right.show();
+       metrics_spacer_right.show();
+
+       meterarea.show();
        global_vpacker.show();
+       global_hpacker.show();
        scroller.show();
+
+       /* the return of the ScrolledWindowViewport mess:
+        * remove shadow from scrollWindow's viewport
+        * see http://www.mail-archive.com/gtkmm-list@gnome.org/msg03509.html
+        */
+       Gtk::Viewport* viewport = (Gtk::Viewport*) scroller.get_child();
+       viewport->set_shadow_type(Gtk::SHADOW_NONE);
+       viewport->set_border_width(0);
+
+       UI::instance()->theme_changed.connect (sigc::mem_fun(*this, &Meterbridge::on_theme_changed));
+       ColorsChanged.connect (sigc::mem_fun (*this, &Meterbridge::on_theme_changed));
+       DPIReset.connect (sigc::mem_fun (*this, &Meterbridge::on_theme_changed));
 }
 
 Meterbridge::~Meterbridge ()
@@ -200,7 +235,9 @@ void
 Meterbridge::set_window_pos_and_size ()
 {
        resize (m_width, m_height);
-       move (m_root_x, m_root_y);
+       if (m_root_x >= 0 && m_root_y >= 0) {
+               move (m_root_x, m_root_y);
+       }
 }
 
 void
@@ -213,6 +250,7 @@ Meterbridge::get_window_pos_and_size ()
 bool
 Meterbridge::hide_window (GdkEventAny *ev)
 {
+       if (!_visible) return 0;
        get_window_pos_and_size();
        _visible = false;
        return just_hide_it(ev, static_cast<Gtk::Window *>(this));
@@ -237,6 +275,85 @@ Meterbridge::on_key_release_event (GdkEventKey* ev)
        return true;
 }
 
+bool
+Meterbridge::on_scroll_event (GdkEventScroll* ev)
+{
+       switch (ev->direction) {
+       case GDK_SCROLL_LEFT:
+               scroll_left ();
+               return true;
+       case GDK_SCROLL_UP:
+               if (ev->state & Keyboard::TertiaryModifier) {
+                       scroll_left ();
+                       return true;
+               }
+               return false;
+
+       case GDK_SCROLL_RIGHT:
+               scroll_right ();
+               return true;
+
+       case GDK_SCROLL_DOWN:
+               if (ev->state & Keyboard::TertiaryModifier) {
+                       scroll_right ();
+                       return true;
+               }
+               return false;
+       }
+
+       return false;
+}
+
+void
+Meterbridge::scroll_left ()
+{
+       Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
+       /* stupid GTK: can't rely on clamping across versions */
+       scroller.get_hscrollbar()->set_value (max (adj->get_lower(), adj->get_value() - adj->get_step_increment()));
+}
+
+void
+Meterbridge::scroll_right ()
+{
+       Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
+       /* stupid GTK: can't rely on clamping across versions */
+       scroller.get_hscrollbar()->set_value (min (adj->get_upper(), adj->get_value() + adj->get_step_increment()));
+}
+
+void
+Meterbridge::on_size_request (Gtk::Requisition* r)
+{
+       Gtk::Window::on_size_request(r);
+
+       Gdk::Geometry geom;
+       geom.max_width = meterarea.get_width() + metrics_left.get_width() + metrics_right.get_width();
+       geom.max_height = max_height;
+
+       if (cur_max_width != geom.max_width) {
+               cur_max_width = geom.max_width;
+               set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MAX_SIZE);
+       }
+}
+
+void
+Meterbridge::on_size_allocate (Gtk::Allocation& a)
+{
+       const Gtk::Scrollbar * hsc = scroller.get_hscrollbar();
+
+       if (scroller.get_hscrollbar_visible() && hsc) {
+               gint scrollbar_spacing;
+               gtk_widget_style_get (GTK_WIDGET (scroller.gobj()),
+                               "scrollbar-spacing", &scrollbar_spacing, NULL);
+               const int h = hsc->get_height() + scrollbar_spacing + 1;
+               metrics_spacer_left.set_size_request(-1, h);
+               metrics_spacer_right.set_size_request(-1, h);
+       } else {
+               metrics_spacer_left.set_size_request(-1, 0);
+               metrics_spacer_right.set_size_request(-1, 0);
+       }
+       Gtk::Window::on_size_allocate(a);
+}
+
 void
 Meterbridge::set_session (Session* s)
 {
@@ -246,13 +363,18 @@ Meterbridge::set_session (Session* s)
                return;
        }
 
+       metrics_left.set_session(s);
+       metrics_right.set_session(s);
+
        XMLNode* node = _session->instant_xml(X_("Meterbridge"));
        if (node) {
                set_state (*node);
        }
 
        update_title ();
-       _show_busses = _session->config.get_show_busses_in_meterbridge();
+       _show_busses = _session->config.get_show_busses_on_meterbridge();
+       _show_master = _session->config.get_show_master_on_meterbridge();
+       _show_midi = _session->config.get_show_midi_on_meterbridge();
 
        SignalOrderRouteSorter sorter;
        boost::shared_ptr<RouteList> routes = _session->get_routes();
@@ -265,6 +387,7 @@ Meterbridge::set_session (Session* s)
        _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::update_title, this), gui_context());
        _session->StateSaved.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::update_title, this), gui_context());
        _session->config.ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Meterbridge::parameter_changed, this, _1), gui_context());
+       Config->ParameterChanged.connect (*this, invalidator (*this), ui_bind (&Meterbridge::parameter_changed, this, _1), gui_context());
 
        if (_visible) {
                show_window();
@@ -278,8 +401,8 @@ Meterbridge::session_going_away ()
 {
        ENSURE_GUI_THREAD (*this, &Meterbridge::session_going_away);
 
-       for (list<MeterStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
-               delete (*i);
+       for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
+               delete ((*i).s);
        }
 
        strips.clear ();
@@ -393,8 +516,9 @@ Meterbridge::fast_update_strips ()
        if (!is_mapped () || !_session) {
                return;
        }
-       for (list<MeterStrip *>::iterator i = strips.begin(); i != strips.end(); ++i) {
-               (*i)->fast_update ();
+       for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
+               if (!(*i).visible) continue;
+               (*i).s->fast_update ();
        }
 }
 
@@ -411,14 +535,16 @@ Meterbridge::add_strips (RouteList& routes)
                        continue;
                }
 
-               strip = new MeterStrip (*this, _session, route);
-               strips.push_back (strip);
+               strip = new MeterStrip (_session, route);
+               strips.push_back (MeterBridgeStrip(strip));
+               route->active_changed.connect (*this, invalidator (*this), boost::bind (&Meterbridge::resync_order, this), gui_context ());
 
-               global_hpacker.pack_start (*strip, false, false);
+               meterarea.pack_start (*strip, false, false);
                strip->show();
        }
 
-       sync_order_keys(MixerSort);
+       resync_order();
+       update_metrics();
 }
 
 void
@@ -428,63 +554,140 @@ Meterbridge::remove_strip (MeterStrip* strip)
                return;
        }
 
-       list<MeterStrip *>::iterator i;
-       if ((i = find (strips.begin(), strips.end(), strip)) != strips.end()) {
-               strips.erase (i);
+       list<MeterBridgeStrip>::iterator i;
+       for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
+               if ( (*i).s == strip) {
+                       strips.erase (i);
+                       break;
+               }
+       }
+       update_metrics();
+}
+
+void
+Meterbridge::update_metrics ()
+{
+       bool have_midi = false;
+       for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
+               if ( (*i).s->has_midi() && (*i).visible) {
+                       have_midi = true;
+                       break;
+               }
+       }
+       if (have_midi) {
+               metrics_right.set_metric_mode(2);
+       } else {
+               metrics_right.set_metric_mode(3);
        }
 }
 
 void
 Meterbridge::sync_order_keys (RouteSortOrderKey src)
 {
+       Glib::Threads::Mutex::Lock lm (_resync_mutex);
+
        MeterOrderRouteSorter sorter;
-       std::list<MeterStrip *> copy (strips);
-       copy.sort(sorter);
+       strips.sort(sorter);
 
        int pos = 0;
-       for (list<MeterStrip *>::iterator i = copy.begin(); i != copy.end(); ++i) {
+       int vis = 0;
 
-#if 0 // TODO subscribe to route active,inactive changes, merge w/ bus
-               if (! (*i)->route()->active()) {
-                       (*i)->hide();
-               } else {
-                       (*i)->show();
-               }
-#endif
+       for (list<MeterBridgeStrip>::iterator i = strips.begin(); i != strips.end(); ++i) {
 
-               // TODO simplyfy, abstract ->is_bus()
-               if ((*i)->route()->is_master()) {
-                       /* always show master */
-                       (*i)->show();
+               if (! (*i).s->route()->active()) {
+                       (*i).s->hide();
+                       (*i).visible = false;
                }
-               else if (boost::dynamic_pointer_cast<AudioTrack>((*i)->route()) == 0
-                               && boost::dynamic_pointer_cast<MidiTrack>((*i)->route()) == 0
+               else if ((*i).s->route()->is_master()) {
+                       if (_show_master) {
+                               (*i).s->show();
+                               (*i).visible = true;
+                               vis++;
+                       } else {
+                               (*i).s->hide();
+                               (*i).visible = false;
+                       }
+               }
+               else if (boost::dynamic_pointer_cast<AudioTrack>((*i).s->route()) == 0
+                               && boost::dynamic_pointer_cast<MidiTrack>((*i).s->route()) == 0
                                ) {
                        /* non-master bus */
                        if (_show_busses) {
-                               (*i)->show();
+                               (*i).s->show();
+                               (*i).visible = true;
+                               vis++;
                        } else {
-                               (*i)->hide();
+                               (*i).s->hide();
+                               (*i).visible = false;
                        }
                }
-               else {
-                       (*i)->show();
+               else if (boost::dynamic_pointer_cast<MidiTrack>((*i).s->route())) {
+                       if (_show_midi) {
+                               (*i).s->show();
+                               (*i).visible = true;
+                               vis++;
+                       } else {
+                               (*i).s->hide();
+                               (*i).visible = false;
+                       }
                }
-
-               if (pos == 0) {
-                       (*i)->display_metrics(true);
-               } else {
-                       (*i)->display_metrics(false);
+               else {
+                       (*i).s->show();
+                       (*i).visible = true;
+                               vis++;
                }
-               global_hpacker.reorder_child(*(*i), pos++);
+               (*i).s->set_pos(vis);
+               meterarea.reorder_child(*((*i).s), pos++);
        }
 }
 
+void
+Meterbridge::resync_order()
+{
+       sync_order_keys(MixerSort);
+}
+
 void
 Meterbridge::parameter_changed (std::string const & p)
 {
-       if (p == "show-busses-in-meterbridge") {
-               _show_busses = _session->config.get_show_busses_in_meterbridge();
-               sync_order_keys(MixerSort);
+       if (p == "show-busses-on-meterbridge") {
+               _show_busses = _session->config.get_show_busses_on_meterbridge();
+               resync_order();
+               update_metrics();
+       }
+       else if (p == "show-master-on-meterbridge") {
+               _show_master = _session->config.get_show_master_on_meterbridge();
+               resync_order();
+               update_metrics();
+       }
+       else if (p == "show-midi-on-meterbridge") {
+               _show_midi = _session->config.get_show_midi_on_meterbridge();
+               resync_order();
+               update_metrics();
+       }
+       else if (p == "meter-line-up-level") {
+               meter_clear_pattern_cache();
+               update_metrics();
+       }
+       else if (p == "show-rec-on-meterbridge") {
+               scroller.queue_resize();
+       }
+       else if (p == "show-mute-on-meterbridge") {
+               scroller.queue_resize();
        }
+       else if (p == "show-solo-on-meterbridge") {
+               scroller.queue_resize();
+       }
+       else if (p == "show-name-on-meterbridge") {
+               scroller.queue_resize();
+       }
+       else if (p == "show-id-on-meterbridge") {
+               scroller.queue_resize();
+       }
+}
+
+void
+Meterbridge::on_theme_changed ()
+{
+       meter_clear_pattern_cache();
 }