Make Dropdown menus at least as wide as the button
[ardour.git] / gtk2_ardour / meterbridge.cc
index 3042ba1d0e68eda91cec0746a43565fe89ae9a43..02350c92bf114345012bfc95a092c4b30a1b5219 100644 (file)
 #include "route_sorter.h"
 #include "actions.h"
 #include "gui_thread.h"
-#include "global_signals.h"
 #include "meter_patterns.h"
+#include "timers.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace ARDOUR;
+using namespace ARDOUR_UI_UTILS;
 using namespace PBD;
 using namespace Gtk;
 using namespace Glib;
@@ -78,24 +79,6 @@ Meterbridge::instance ()
        return _instance;
 }
 
-/* copy from gtk2_ardour/mixer_ui.cc -- TODO consolidate
- * used by Meterbridge::set_session() below
- */
-struct SignalOrderRouteSorter {
-       bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
-               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))
@@ -119,11 +102,13 @@ Meterbridge::Meterbridge ()
        Gdk::Geometry geom;
        geom.max_width = 1<<16;
        geom.max_height = max_height;
+       geom.min_width = 40;
+       geom.min_height = -1;
        geom.height_inc = 16;
        geom.width_inc = 1;
-       set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MAX_SIZE | Gdk::HINT_RESIZE_INC);
+       assert(max_height % 16 == 0);
+       set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MIN_SIZE | Gdk::HINT_MAX_SIZE | Gdk::HINT_RESIZE_INC);
 
-       set_keep_above (true);
        set_border_width (0);
 
        metrics_vpacker_left.pack_start (metrics_left, true, true);
@@ -138,7 +123,6 @@ Meterbridge::Meterbridge ()
 
        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());
        MeterStrip::MetricChanged.connect (*this, invalidator (*this), boost::bind(&Meterbridge::resync_order, this), gui_context());
        MeterStrip::ConfigurationChanged.connect (*this, invalidator (*this), boost::bind(&Meterbridge::queue_resize, this), gui_context());
@@ -187,8 +171,8 @@ Meterbridge::Meterbridge ()
        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));
+       UIConfiguration::instance().ColorsChanged.connect (sigc::mem_fun (*this, &Meterbridge::on_theme_changed));
+       UIConfiguration::instance().DPIReset.connect (sigc::mem_fun (*this, &Meterbridge::on_theme_changed));
 }
 
 Meterbridge::~Meterbridge ()
@@ -270,7 +254,7 @@ Meterbridge::on_key_press_event (GdkEventKey* ev)
        if (gtk_window_propagate_key_event (GTK_WINDOW(gobj()), ev)) {
                return true;
        }
-       return forward_key_press (ev);
+       return relay_key_press (ev, this);
 }
 
 bool
@@ -340,28 +324,18 @@ Meterbridge::on_size_request (Gtk::Requisition* r)
        Gtk::Requisition mr = meterarea.size_request();
 
        geom.max_width = mr.width + metrics_left.get_width() + metrics_right.get_width();
+       geom.max_width = std::max(50, geom.max_width);
        geom.max_height = max_height;
 
-       const Gtk::Scrollbar * hsc = scroller.get_hscrollbar();
-       Glib::RefPtr<Gdk::Screen> screen = get_screen ();
-       Gdk::Rectangle monitor_rect;
-       screen->get_monitor_geometry (0, monitor_rect);
-       const int scr_w = monitor_rect.get_width() - 44;
-
-       if (cur_max_width < geom.max_width
-                       && cur_max_width < scr_w
-                       && !(scroller.get_hscrollbar_visible() && hsc)) {
-               int h = r->height;
-               *r = Gtk::Requisition();
-               r->width = geom.max_width;
-               r->height = h;
-       }
-
        if (cur_max_width != geom.max_width) {
                cur_max_width = geom.max_width;
+               /* height resizes are 'heavy' since the metric areas and meter-patterns
+                * are re-generated. limit to 16px steps. */
                geom.height_inc = 16;
                geom.width_inc = 1;
-               set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MAX_SIZE | Gdk::HINT_RESIZE_INC);
+               geom.min_width = 40;
+               geom.min_height = -1;
+               set_geometry_hints(*((Gtk::Window*) this), geom, Gdk::HINT_MIN_SIZE | Gdk::HINT_MAX_SIZE | Gdk::HINT_RESIZE_INC);
        }
 }
 
@@ -370,7 +344,12 @@ Meterbridge::on_size_allocate (Gtk::Allocation& a)
 {
        const Gtk::Scrollbar * hsc = scroller.get_hscrollbar();
 
+       /* switch left/right edge patterns depending on horizontal scroll-position */
        if (scroller.get_hscrollbar_visible() && hsc) {
+               if (!scroll_connection.connected()) {
+                       scroll_connection = scroller.get_hscrollbar()->get_adjustment()->signal_value_changed().connect(sigc::mem_fun (*this, &Meterbridge::on_scroll));
+                       scroller.get_hscrollbar()->get_adjustment()->signal_changed().connect(sigc::mem_fun (*this, &Meterbridge::on_scroll));
+               }
                gint scrollbar_spacing;
                gtk_widget_style_get (GTK_WIDGET (scroller.gobj()),
                                "scrollbar-spacing", &scrollbar_spacing, NULL);
@@ -384,6 +363,57 @@ Meterbridge::on_size_allocate (Gtk::Allocation& a)
        Gtk::Window::on_size_allocate(a);
 }
 
+void
+Meterbridge::on_scroll()
+{
+       if (!scroller.get_hscrollbar()) return;
+
+       Adjustment* adj = scroller.get_hscrollbar()->get_adjustment();
+       int leftend = adj->get_value();
+       int rightend = scroller.get_width() + leftend;
+
+       int mm_left = _mm_left;
+       int mm_right = _mm_right;
+       ARDOUR::MeterType mt_left = _mt_left;
+       ARDOUR::MeterType mt_right = _mt_right;
+
+       for (unsigned int i = 0; i < _metrics.size(); ++i) {
+               int sx, dx = 0, dy = 0;
+               int mm = _metrics[i]->get_metric_mode();
+               sx = (mm & 2) ? _metrics[i]->get_width() : 0;
+
+               _metrics[i]->translate_coordinates(meterarea, sx, 0, dx, dy);
+
+               if (dx < leftend && !(mm&2)) {
+                       mm_left = mm;
+                       mt_left = _metrics[i]->meter_type();
+               }
+               if (dx > rightend && (mm&2)) {
+                       mm_right = mm;
+                       mt_right = _metrics[i]->meter_type();
+                       break;
+               }
+       }
+       metrics_left.set_metric_mode(mm_left, mt_left);
+       metrics_right.set_metric_mode(mm_right, mt_right);
+}
+
+struct PresentationInfoRouteSorter
+{
+       bool operator() (boost::shared_ptr<Route> a, boost::shared_ptr<Route> b) {
+               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->presentation_info().order() < b->presentation_info().order();
+       }
+};
+
 void
 Meterbridge::set_session (Session* s)
 {
@@ -406,12 +436,11 @@ Meterbridge::set_session (Session* s)
        _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();
 
-       RouteList copy(*routes);
-       copy.sort(sorter);
-       add_strips(copy);
+       RouteList copy (*routes);
+       copy.sort (PresentationInfoRouteSorter());
+       add_strips (copy);
 
        _session->RouteAdded.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::add_strips, this, _1), gui_context());
        _session->DirtyChanged.connect (_session_connections, invalidator (*this), boost::bind (&Meterbridge::update_title, this), gui_context());
@@ -421,7 +450,7 @@ Meterbridge::set_session (Session* s)
 
        if (_visible) {
                show_window();
-               ActionManager::check_toggleaction ("<Actions>/Common/toggle-meterbridge");
+               present ();
        }
        start_updating ();
 }
@@ -447,7 +476,7 @@ Meterbridge::session_going_away ()
 int
 Meterbridge::set_state (const XMLNode& node)
 {
-       const XMLProperty* prop;
+       XMLProperty const * prop;
        XMLNode* geometry;
 
        m_width = default_width;
@@ -457,7 +486,7 @@ Meterbridge::set_state (const XMLNode& node)
 
        if ((geometry = find_named_node (node, "geometry")) != 0) {
 
-               XMLProperty* prop;
+               XMLProperty const * prop;
 
                if ((prop = geometry->property("x_size")) == 0) {
                        prop = geometry->property ("x-size");
@@ -527,7 +556,7 @@ Meterbridge::get_state (void)
 gint
 Meterbridge::start_updating ()
 {
-       fast_screen_update_connection = ARDOUR_UI::instance()->SuperRapidScreenUpdate.connect (sigc::mem_fun(*this, &Meterbridge::fast_update_strips));
+       fast_screen_update_connection = Timers::super_rapid_connect (sigc::mem_fun(*this, &Meterbridge::fast_update_strips));
        return 0;
 }
 
@@ -588,10 +617,12 @@ Meterbridge::remove_strip (MeterStrip* strip)
                        break;
                }
        }
+
+       resync_order();
 }
 
 void
-Meterbridge::sync_order_keys (RouteSortOrderKey src)
+Meterbridge::sync_order_keys ()
 {
        Glib::Threads::Mutex::Lock lm (_resync_mutex);
 
@@ -600,6 +631,7 @@ Meterbridge::sync_order_keys (RouteSortOrderKey src)
 
        int pos = 0;
        int vis = 0;
+       MeterStrip * last = 0;
 
        unsigned int metrics = 0;
        MeterType lmt = MeterPeak;
@@ -651,14 +683,24 @@ Meterbridge::sync_order_keys (RouteSortOrderKey src)
                                vis++;
                }
 
+               (*i).s->set_tick_bar(0);
+
                MeterType nmt = (*i).s->meter_type();
                if (nmt == MeterKrms) nmt = MeterPeak; // identical metrics
+               if (vis == 1) {
+                       (*i).s->set_tick_bar(1);
+               }
 
-               if ((*i).visible && nmt != lmt && pos == 0) {
+               if ((*i).visible && nmt != lmt && vis == 1) {
                        lmt = nmt;
                        metrics_left.set_metric_mode(1, lmt);
                } else if ((*i).visible && nmt != lmt) {
 
+                       if (last) {
+                               last->set_tick_bar(last->get_tick_bar() | 2);
+                       }
+                       (*i).s->set_tick_bar((*i).s->get_tick_bar() | 1);
+
                        if (_metrics.size() <= metrics) {
                                _metrics.push_back(new MeterStrip(have_midi ? 2 : 3, lmt));
                                meterarea.pack_start (*_metrics[metrics], false, false);
@@ -690,6 +732,13 @@ Meterbridge::sync_order_keys (RouteSortOrderKey src)
                }
 
                meterarea.reorder_child(*((*i).s), pos++);
+               if ((*i).visible) {
+                       last = (*i).s;
+               }
+       }
+
+       if (last) {
+               last->set_tick_bar(last->get_tick_bar() | 2);
        }
 
        metrics_right.set_metric_mode(have_midi ? 2 : 3, lmt);
@@ -699,13 +748,20 @@ Meterbridge::sync_order_keys (RouteSortOrderKey src)
                delete (_metrics.back());
                _metrics.pop_back();
        }
+
+       _mm_left = metrics_left.get_metric_mode();
+       _mt_left = metrics_left.meter_type();
+       _mm_right = metrics_right.get_metric_mode();
+       _mt_right = metrics_right.meter_type();
+
+       on_scroll();
        queue_resize();
 }
 
 void
 Meterbridge::resync_order()
 {
-       sync_order_keys(MixerSort);
+       sync_order_keys();
 }
 
 void
@@ -738,6 +794,15 @@ Meterbridge::parameter_changed (std::string const & p)
        else if (p == "show-name-on-meterbridge") {
                scroller.queue_resize();
        }
+       else if (p == "meterbridge-label-height") {
+               scroller.queue_resize();
+       }
+       else if (p == "show-monitor-on-meterbridge") {
+               scroller.queue_resize();
+       }
+       else if (p == "track-name-number") {
+               scroller.queue_resize();
+       }
 }
 
 void