Mix group tabs in the mixer.

git-svn-id: svn://localhost/ardour2/branches/3.0@5228 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/ardour.menus.in

@@ -393,7 +393,7 @@
                <menuitem action='ToggleMeasureVisibility'/>
                <menuitem action='ToggleWaveformsWhileRecording'/>
                <menuitem action='ToggleSummary'/>
-               <menuitem action='ToggleEditGroupTabs'/>
+               <menuitem action='ToggleGroupTabs'/>
         </menu>
         <menu name='JACK' action='JACK'>
                <menuitem action='JACKDisconnect'/>

gtk2_ardour/editor.h

@@ -345,7 +345,7 @@ class Editor : public PublicEditor
 	void toggle_zero_line_visibility ();
 	void toggle_waveforms_while_recording ();
 	void set_summary ();
-	void set_edit_group_tabs ();
+	void set_group_tabs ();
 	void toggle_measure_visibility ();
 	void toggle_logo_visibility ();
 

gtk2_ardour/editor_actions.cc

@@ -810,7 +810,7 @@ Editor::register_actions ()
 
 	ActionManager::register_toggle_action (editor_actions, X_("ToggleSummary"), _("Show Summary"), mem_fun (*this, &Editor::set_summary));
 
-	ActionManager::register_toggle_action (editor_actions, X_("ToggleEditGroupTabs"), _("Show Edit Group Tabs"), mem_fun (*this, &Editor::set_edit_group_tabs));
+	ActionManager::register_toggle_action (editor_actions, X_("ToggleGroupTabs"), _("Show Group Tabs"), mem_fun (*this, &Editor::set_group_tabs));
 	
 	ActionManager::register_toggle_action (editor_actions, X_("ToggleMeasureVisibility"), _("Show Measures"), mem_fun (*this, &Editor::toggle_measure_visibility));
 	
@@ -899,12 +899,12 @@ Editor::set_summary ()
 }
 
 void
-Editor::set_edit_group_tabs ()
+Editor::set_group_tabs ()
 {
-	Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleEditGroupTabs"));
+	Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleGroupTabs"));
 	if (act) {
 		Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
-		session->config.set_show_edit_group_tabs (tact->get_active ());
+		session->config.set_show_group_tabs (tact->get_active ());
 	}
 }
 
@@ -1302,16 +1302,16 @@ Editor::parameter_changed (std::string p)
 				tact->set_active (s);
 			}
 		}
-	} else if (p == "show-edit-group-tabs") {
+	} else if (p == "show-group-tabs") {
 
-		bool const s = session->config.get_show_edit_group_tabs ();
+		bool const s = session->config.get_show_group_tabs ();
 		if (s) {
 			_group_tabs->show ();
 		} else {
 			_group_tabs->hide ();
 		}
 
-		Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleEditGroupTabs"));
+		Glib::RefPtr<Action> act = ActionManager::get_action (X_("Editor"), X_("ToggleGroupTabs"));
 		if (act) {
 			Glib::RefPtr<ToggleAction> tact = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
 			if (tact->get_active () != s) {

gtk2_ardour/editor_mixer.cc

@@ -120,7 +120,7 @@ Editor::show_editor_mixer (bool yn)
 			current_mixer_strip->set_route (r);
 
 			if (created) {
-				current_mixer_strip->set_width (editor_mixer_strip_width, (void*) this);
+				current_mixer_strip->set_width_enum (editor_mixer_strip_width, (void*) this);
 			}
 		}
 		
@@ -213,7 +213,7 @@ Editor::set_selected_mixer_strip (TimeAxisView& view)
 	}
 	
 	if (created) {
-		current_mixer_strip->set_width (editor_mixer_strip_width, (void*) this);
+		current_mixer_strip->set_width_enum (editor_mixer_strip_width, (void*) this);
 	}
 
 	current_mixer_strip->set_route (at->route());

gtk2_ardour/mixer_group_tabs.cc

@@ -0,0 +1,146 @@
+/*
+    Copyright (C) 2009 Paul Davis 
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "ardour/route_group.h"
+#include "ardour/session.h"
+#include "mixer_group_tabs.h"
+#include "mixer_strip.h"
+#include "mixer_ui.h"
+#include "utils.h"
+
+using namespace std;
+using namespace ARDOUR;
+
+MixerGroupTabs::MixerGroupTabs (Mixer_UI* m)
+	: _mixer (m)
+{
+	
+}
+
+void
+MixerGroupTabs::set_session (Session* s)
+{
+	s->RouteMixGroupChanged.connect (mem_fun (*this, &MixerGroupTabs::set_dirty));
+}
+
+
+/** Handle a size request.
+ *  @param req GTK requisition
+ */
+void
+MixerGroupTabs::on_size_request (Gtk::Requisition *req)
+{
+	/* Use a dummy, small width and the actual height that we want */
+	req->width = 16;
+	req->height = 16;
+}
+
+
+void
+MixerGroupTabs::render (cairo_t* cr)
+{
+	/* background */
+	
+	cairo_set_source_rgb (cr, 0, 0, 0);
+	cairo_rectangle (cr, 0, 0, _width, _height);
+	cairo_fill (cr);
+
+	int32_t curr_start = 0;
+	RouteGroup* curr_group = 0;
+	Gdk::Color curr_colour;
+
+	int32_t x = 0;
+	for (list<MixerStrip*>::iterator i = _mixer->strips.begin(); i != _mixer->strips.end(); ++i) {
+
+		if ((*i)->route()->is_master() || (*i)->route()->is_control()) {
+			continue;
+		}
+		
+		RouteGroup* g = (*i)->mix_group ();
+
+		if (g != curr_group) {
+			if (curr_group) {
+				draw_group (cr, curr_start, x, curr_group, curr_colour);
+			}
+
+			curr_start = x;
+			curr_group = g;
+			curr_colour = (*i)->color ();
+		}
+
+		x += (*i)->get_width ();
+	}
+
+	if (curr_group) {
+		draw_group (cr, curr_start, x, curr_group, curr_colour);
+	}
+}
+
+void
+MixerGroupTabs::draw_group (cairo_t* cr, int32_t x1, int32_t x2, RouteGroup* g, Gdk::Color const & colour)
+{
+	double const arc_radius = _height;
+
+	if (g->is_active()) {
+		cairo_set_source_rgba (cr, colour.get_red_p (), colour.get_green_p (), colour.get_blue_p (), 1);
+	} else {
+		cairo_set_source_rgba (cr, 1, 1, 1, 0.2);
+	}
+	
+	cairo_arc (cr, x1 + arc_radius, _height, arc_radius, M_PI, 3 * M_PI / 2);
+	cairo_line_to (cr, x2 - arc_radius, 0);
+	cairo_arc (cr, x2 - arc_radius, _height, arc_radius, 3 * M_PI / 2, 2 * M_PI);
+	cairo_line_to (cr, x1, _height);
+	cairo_fill (cr);
+
+	pair<string, double> const f = fit_to_pixels (cr, g->name(), x2 - x1 - arc_radius * 2);
+
+	cairo_text_extents_t ext;
+	cairo_text_extents (cr, g->name().c_str(), &ext);
+
+	cairo_set_source_rgb (cr, 1, 1, 1);
+	cairo_move_to (cr, x1 + (x2 - x1 - f.second) / 2, _height - ext.height / 2);
+	cairo_save (cr);
+	cairo_show_text (cr, f.first.c_str());
+	cairo_restore (cr);
+}
+
+bool
+MixerGroupTabs::on_button_press_event (GdkEventButton* ev)
+{
+	int32_t x = 0;
+	list<MixerStrip*>::iterator i = _mixer->strips.begin();
+	while (x < ev->x && i != _mixer->strips.end()) {
+		x += (*i)->get_width ();
+		if (x < ev->x) {
+			++i;
+		}
+	}
+
+	if (i == _mixer->strips.end()) {
+		return false;
+	}
+	
+	RouteGroup* g = (*i)->mix_group ();
+	if (g) {
+		g->set_active (!g->is_active (), this);
+	}
+
+	return true;
+}

gtk2_ardour/mixer_group_tabs.h

@@ -0,0 +1,38 @@
+/*
+    Copyright (C) 2009 Paul Davis 
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "cairo_widget.h"
+
+class Mixer_UI;
+
+class MixerGroupTabs : public CairoWidget
+{
+public:
+	MixerGroupTabs (Mixer_UI *);
+
+	void set_session (ARDOUR::Session *);
+
+private:
+	void on_size_request (Gtk::Requisition *);
+	bool on_button_press_event (GdkEventButton *);
+	void render (cairo_t *);
+	void draw_group (cairo_t *, int32_t, int32_t, ARDOUR::RouteGroup* , Gdk::Color const &);
+	
+	Mixer_UI* _mixer;
+};

gtk2_ardour/mixer_strip.cc

@@ -58,6 +58,7 @@
 #include "io_selector.h"
 #include "utils.h"
 #include "gui_thread.h"
+#include "route_group_dialog.h"
 
 #include "i18n.h"
 
@@ -501,7 +502,7 @@ MixerStrip::set_stuff_from_route ()
 	/* if width is not set, it will be set by the MixerUI or editor */
 
 	if ((prop = xml_node->property ("strip-width")) != 0) {
-		set_width (Width (string_2_enum (prop->value(), _width)), this);
+		set_width_enum (Width (string_2_enum (prop->value(), _width)), this);
 	}
 
 	if ((prop = xml_node->property ("shown-mixer")) != 0) {
@@ -517,7 +518,7 @@ MixerStrip::set_stuff_from_route ()
 }
 
 void
-MixerStrip::set_width (Width w, void* owner)
+MixerStrip::set_width_enum (Width w, void* owner)
 {
 	/* always set the gpm width again, things may be hidden */
 
@@ -952,14 +953,14 @@ void
 MixerStrip::input_changed (IOChange change, void *src)
 {
 	Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_input_display));
-	set_width(_width, this);
+	set_width_enum (_width, this);
 }
 
 void
 MixerStrip::output_changed (IOChange change, void *src)
 {
 	Gtkmm2ext::UI::instance()->call_slot (mem_fun(*this, &MixerStrip::update_output_display));
-	set_width(_width, this);
+	set_width_enum (_width, this);
 }
 
 
@@ -1099,6 +1100,11 @@ MixerStrip::select_mix_group (GdkEventButton *ev)
 	case 1:
 
 		items.clear ();
+		
+		items.push_back (MenuElem (_("New group..."), mem_fun (*this, &MixerStrip::set_mix_group_to_new)));
+		
+		items.push_back (SeparatorElem ());
+		
 		items.push_back (RadioMenuElem (group, _("No group"), bind (mem_fun(*this, &MixerStrip::set_mix_group), (RouteGroup *) 0)));
 
 		_session.foreach_mix_group (bind (mem_fun (*this, &MixerStrip::add_mix_group_to_menu), &group));
@@ -1258,10 +1264,10 @@ MixerStrip::width_clicked ()
 {
 	switch (_width) {
 	case Wide:
-		set_width (Narrow, this);
+		set_width_enum (Narrow, this);
 		break;
 	case Narrow:
-		set_width (Wide, this);
+		set_width_enum (Wide, this);
 		break;
 	}
 }
@@ -1408,7 +1414,7 @@ MixerStrip::meter_changed (void *src)
 	gpm.setup_meters ();
 	// reset peak when meter point changes
 	gpm.reset_peak_display();
-	set_width(_width, this);
+	set_width_enum (_width, this);
 }
 
 void
@@ -1477,3 +1483,19 @@ MixerStrip::revert_to_default_display ()
 	panner_ui().setup_pan ();
 }
 
+void
+MixerStrip::set_mix_group_to_new ()
+{
+	RouteGroup* g = new RouteGroup (_session, "", RouteGroup::Active);
+	g->set_active (true, this);
+
+	RouteGroupDialog d (g);
+	int const r = d.do_run ();
+
+	if (r == Gtk::RESPONSE_OK) {
+		_session.add_mix_group (g);
+		_route->set_mix_group (g, this);
+	} else {
+		delete g;
+	}
+}

gtk2_ardour/mixer_strip.h

@@ -84,9 +84,9 @@ class MixerStrip : public RouteUI, public Gtk::EventBox
 	MixerStrip (Mixer_UI&, ARDOUR::Session&, bool in_mixer = true);
 	~MixerStrip ();
 
-	void set_width (Width, void* owner);
-	Width get_width() const { return _width; }
-	void* width_owner() const { return _width_owner; }
+	void set_width_enum (Width, void* owner);
+	Width get_width_enum () const { return _width; }
+	void* width_owner () const { return _width_owner; }
 
 	GainMeter& gain_meter() { return gpm; }
 	PannerUI&  panner_ui()  { return panners; }
@@ -257,6 +257,8 @@ class MixerStrip : public RouteUI, public Gtk::EventBox
 	boost::shared_ptr<ARDOUR::Delivery> _current_delivery;
 	void revert_to_default_display ();
 
+	void set_mix_group_to_new ();
+
 	static int scrollbar_height;
 };
 

gtk2_ardour/mixer_ui.cc

@@ -46,6 +46,7 @@
 #include "utils.h"
 #include "actions.h"
 #include "gui_thread.h"
+#include "mixer_group_tabs.h"
 
 #include "i18n.h"
 
@@ -81,7 +82,13 @@ Mixer_UI::Mixer_UI ()
 	// add as last item of strip packer
 	strip_packer.pack_end (scroller_base, true, true);
 
-	scroller.add (strip_packer);
+	_group_tabs = new MixerGroupTabs (this);
+	VBox* b = manage (new VBox);
+	b->pack_start (*_group_tabs, PACK_SHRINK);
+	b->pack_start (strip_packer);
+	b->show_all ();
+
+	scroller.add (*b);
 	scroller.set_policy (Gtk::POLICY_ALWAYS, Gtk::POLICY_AUTOMATIC);
 
 	track_model = ListStore::create (track_columns);
@@ -281,7 +288,7 @@ Mixer_UI::show_window ()
 		
 		for (ri = rows.begin(); ri != rows.end(); ++ri) {
 			ms = (*ri)[track_columns.strip];
-			ms->set_width (ms->get_width(), ms->width_owner());
+			ms->set_width_enum (ms->get_width_enum (), ms->width_owner());
 		}
 	}
 	_visible = true;
@@ -322,7 +329,7 @@ Mixer_UI::add_strip (RouteList& routes)
 		Config->get_default_narrow_ms() ? _strip_width = Narrow : _strip_width = Wide;
 
 		if (strip->width_owner() != strip) {
-			strip->set_width (_strip_width, this);
+			strip->set_width_enum (_strip_width, this);
 		}
 
 		show_strip (strip);
@@ -463,7 +470,6 @@ Mixer_UI::strip_button_release_event (GdkEventButton *ev, MixerStrip *strip)
 void
 Mixer_UI::connect_to_session (Session* sess)
 {
-
 	session = sess;
 
 	XMLNode* node = ARDOUR_UI::instance()->mixer_settings();
@@ -481,6 +487,7 @@ Mixer_UI::connect_to_session (Session* sess)
 	session->RouteAdded.connect (mem_fun(*this, &Mixer_UI::add_strip));
 	session->mix_group_added.connect (mem_fun(*this, &Mixer_UI::add_mix_group));
 	session->mix_group_removed.connect (mem_fun(*this, &Mixer_UI::mix_groups_changed));
+	session->config.ParameterChanged.connect (mem_fun (*this, &Mixer_UI::parameter_changed));
 
 	mix_groups_changed ();
 	
@@ -490,6 +497,8 @@ Mixer_UI::connect_to_session (Session* sess)
 	       show_window();
 	}
 
+	_group_tabs->set_session (sess);
+
 	start_updating ();
 }
 
@@ -768,6 +777,8 @@ Mixer_UI::redisplay_track_list ()
 	
 	if (auto_rebinding)
 		auto_rebind_midi_controls ();
+
+	_group_tabs->set_dirty ();
 }
 
 #ifdef GTKOSX
@@ -1296,7 +1307,7 @@ Mixer_UI::set_strip_width (Width w)
 	_strip_width = w;
 
 	for (list<MixerStrip*>::iterator i = strips.begin(); i != strips.end(); ++i) {
-		(*i)->set_width (w, this);
+		(*i)->set_width_enum (w, this);
 	}
 }
 
@@ -1491,3 +1502,17 @@ Mixer_UI::on_key_press_event (GdkEventKey* ev)
 {
 	return key_press_focus_accelerator_handler (*this, ev);
 }
+
+void
+Mixer_UI::parameter_changed (string const & p)
+{
+	if (p == "show-group-tabs") {
+		bool const s = session->config.get_show_group_tabs ();
+		if (s) {
+			_group_tabs->show ();
+		} else {
+			_group_tabs->hide ();
+		}
+	}
+}
+		

gtk2_ardour/mixer_ui.h

@@ -48,6 +48,7 @@ namespace ARDOUR {
 
 class MixerStrip;
 class PluginSelector;
+class MixerGroupTabs;
 
 class Mixer_UI : public Gtk::Window
 {
@@ -105,6 +106,8 @@ class Mixer_UI : public Gtk::Window
 	Gtk::HBox				out_packer;
 	Gtk::HPaned				list_hpane;
 
+	MixerGroupTabs* _group_tabs;
+
 	// for restoring window geometry.
 	int m_root_x, m_root_y, m_width, m_height;
 	
@@ -249,8 +252,12 @@ class Mixer_UI : public Gtk::Window
 	bool strip_redisplay_does_not_sync_order_keys;
 	bool ignore_sync;
 
+	void parameter_changed (std::string const &);
+
 	static const int32_t default_width = 478;
 	static const int32_t default_height = 765;
+
+	friend class MixerGroupTabs;
 };
 
 #endif /* __ardour_mixer_ui_h__ */

gtk2_ardour/wscript

@@ -159,6 +159,7 @@ def build(bld):
 		midi_scroomer.cc
 		midi_streamview.cc
 		midi_time_axis.cc
+		mixer_group_tabs.cc
 		mixer_strip.cc
 		mixer_ui.cc
 		nag.cc

libs/ardour/ardour/session.h

@@ -378,6 +378,7 @@ class Session : public PBD::StatefulDestructible, public boost::noncopyable
 
 	sigc::signal<void,RouteList&> RouteAdded;
 	sigc::signal<void> RouteEditGroupChanged;
+	sigc::signal<void> RouteMixGroupChanged;
 
 	void request_roll_at_and_return (nframes_t start, nframes_t return_to);
 	void request_bounded_roll (nframes_t start, nframes_t end);
@@ -1489,6 +1490,7 @@ class Session : public PBD::StatefulDestructible, public boost::noncopyable
 	int load_regions (const XMLNode& node);
 
 	void route_edit_group_changed ();
+	void route_mix_group_changed ();
 
 	/* SOURCES */
 

libs/ardour/ardour/session_configuration_vars.h

@@ -46,4 +46,4 @@ CONFIG_VARIABLE (bool, jack_time_master, "jack-time-master", true)
 CONFIG_VARIABLE (bool, use_video_sync, "use-video-sync", false)
 CONFIG_VARIABLE (float, video_pullup, "video-pullup", 0.0f)
 CONFIG_VARIABLE (bool, show_summary, "show-summary", true)
-CONFIG_VARIABLE (bool, show_edit_group_tabs, "show-edit-group-tabs", true)
+CONFIG_VARIABLE (bool, show_group_tabs, "show-group-tabs", true)

libs/ardour/route.cc

@@ -2004,7 +2004,6 @@ Route::drop_edit_group (void *src)
 
 void
 Route::set_mix_group (RouteGroup *mg, void *src)
-
 {
 	if (mg == _mix_group) {
 		return;

libs/ardour/session.cc

@@ -2083,6 +2083,7 @@ Session::add_routes (RouteList& new_routes, bool save)
 		(*x)->output()->changed.connect (mem_fun (*this, &Session::set_worst_io_latencies_x));
 		(*x)->processors_changed.connect (bind (mem_fun (*this, &Session::update_latency_compensation), false, false));
 		(*x)->edit_group_changed.connect (hide (mem_fun (*this, &Session::route_edit_group_changed)));
+		(*x)->mix_group_changed.connect (hide (mem_fun (*this, &Session::route_mix_group_changed)));
 
 		if ((*x)->is_master()) {
 			_master_out = (*x);
@@ -4254,3 +4255,9 @@ Session::route_edit_group_changed ()
 {
 	RouteEditGroupChanged (); /* EMIT SIGNAL */
 }
+
+void
+Session::route_mix_group_changed ()
+{
+	RouteMixGroupChanged (); /* EMIT SIGNAL */
+}