Add 'delta edit cursor' option to primary and secondary clocks. When in this mode, the clocks display the absolute difference between the playhead and the edit cursor

git-svn-id: svn://localhost/ardour2/trunk@1838 d708f5d6-7413-0410-9779-e7cbd77b26cf

10 files changed, 82 insertions, 14 deletions

diff --git a/gtk2_ardour/ardour.colors b/gtk2_ardour/ardour.colors
index 0bc9565c8a..181896589f 100644
--- a/gtk2_ardour/ardour.colors
+++ b/gtk2_ardour/ardour.colors
@@ -105,6 +105,6 @@ cTrimHandleLockedStart 0.92 0.06 0.06 0.16
 cTrimHandleLockedEnd 0.92 0.06 0.06 0.16
 cTrimHandleStart 0.10 0.00 1.00 0.27
 cTrimHandleEnd 0.10 0.00 1.00 0.27
-cEditCursor	0.00 0.00 1.00 1.00
-cPlayHead	1.00 0.00 0.00 1.00
+cPlayHead 1.00 0.00 0.00 1.00
+cEditCursor 0.00 0.00 1.00 1.00
 
diff --git a/gtk2_ardour/ardour.menus b/gtk2_ardour/ardour.menus
index 635def7794..2c40704e4e 100644
--- a/gtk2_ardour/ardour.menus
+++ b/gtk2_ardour/ardour.menus
@@ -354,6 +354,9 @@
                <menuitem action='StopTransportAtEndOfSession'/>
                <menuitem action='GainReduceFastTransport'/>
 	       <separator/>
+				<menuitem action='PrimaryClockDeltaEditCursor'/>
+				<menuitem action='SecondaryClockDeltaEditCursor'/>
+			<separator/>
          </menu>
 	 <menu name='Help' action='Help'>
 	     <menuitem action='About'/>
diff --git a/gtk2_ardour/ardour2_ui.rc b/gtk2_ardour/ardour2_ui.rc
index 82da69ebf5..d16e8fbe20 100644
--- a/gtk2_ardour/ardour2_ui.rc
+++ b/gtk2_ardour/ardour2_ui.rc
@@ -85,6 +85,7 @@ style "time_axis_view_item_name"
 
 style "default_base" = "medium_text"
 {
+  
   GtkWidget::cursor_color =  {1.0, 1.0, 1.0 }
   GtkButton::default_border = { 0, 0, 0, 0 }
   GtkButton::default_outside_border = { 0, 0, 0, 0 }
@@ -144,7 +145,7 @@ style "transport_base" = "medium_bold_text"
 /*
 style "black_mackie_menu_bar"
 {
-  font_name = "sans bold 9"
+  font_name = "sans bold 8"
   fg[NORMAL] = { 1.0, 1.0, 1.0 }
   bg[NORMAL] = { 0, 0, 0 }
 }
@@ -664,6 +665,11 @@ style "transport_clock_display"
        bg[ACTIVE] = { 0.0, 0.0, 0.0 }
 }
 
+style "transport_clock_display_delta" = "transport_clock_display"
+{
+	fg[NORMAL] = { 0.30, 0.30, 1.0 }
+}
+
 style "tempo_meter_clock_display"
 {
 	font_name = "sans 7"
@@ -1282,6 +1288,8 @@ widget "*BigClockNonRecording" style:highest "non_recording_big_clock_display"
 widget "*BigClockRecording" style:highest "recording_big_clock_display"
 widget "*TransportClockDisplay" style:highest "transport_clock_display"
 widget "*SecondaryClockDisplay" style:highest "transport_clock_display"
+widget "*TransportClockDisplayDelta" style:highest "transport_clock_display_delta"
+widget "*SecondaryClockDisplayDelta" style:highest "transport_clock_display_delta"
 widget "*AudioClockFramesUpperInfo" style:highest "tempo_meter_clock_display"
 widget "*AudioClockFramesLowerInfo" style:highest "tempo_meter_clock_display"
 widget "*AudioClockSMPTEUpperInfo" style:highest "tempo_meter_clock_display"
diff --git a/gtk2_ardour/ardour_ui.cc b/gtk2_ardour/ardour_ui.cc
index a38196d642..e3c476a854 100644
--- a/gtk2_ardour/ardour_ui.cc
+++ b/gtk2_ardour/ardour_ui.cc
@@ -94,7 +94,7 @@ ARDOUR_UI *ARDOUR_UI::theArdourUI = 0;
 sigc::signal<void,bool> ARDOUR_UI::Blink;
 sigc::signal<void>      ARDOUR_UI::RapidScreenUpdate;
 sigc::signal<void>      ARDOUR_UI::SuperRapidScreenUpdate;
-sigc::signal<void,nframes_t> ARDOUR_UI::Clock;
+sigc::signal<void,nframes_t, bool, nframes_t> ARDOUR_UI::Clock;
 
 ARDOUR_UI::ARDOUR_UI (int *argcp, char **argvp[], string rcfile)
 
@@ -1520,7 +1520,7 @@ void
 ARDOUR_UI::update_clocks ()
 {
 	if (!editor || !editor->dragging_playhead()) {
-		Clock (session->audible_frame()); /* EMIT_SIGNAL */
+		Clock (session->audible_frame(), false, editor->edit_cursor_position(false)); /* EMIT_SIGNAL */
 	}
 }
 
@@ -2654,8 +2654,17 @@ ARDOUR_UI::use_config ()
 void
 ARDOUR_UI::update_transport_clocks (nframes_t pos)
 {
-	primary_clock.set (pos);
-	secondary_clock.set (pos);
+	if (Config->get_primary_clock_delta_edit_cursor()) {
+		primary_clock.set (pos, false, editor->edit_cursor_position(false), 1);
+	} else {
+		primary_clock.set (pos, 0, true);
+	}
+
+	if (Config->get_secondary_clock_delta_edit_cursor()) {
+		secondary_clock.set (pos, false, editor->edit_cursor_position(false), 2);
+	} else {
+		secondary_clock.set (pos);
+	}
 
 	if (big_clock_window) {
 		big_clock.set (pos);
diff --git a/gtk2_ardour/ardour_ui.h b/gtk2_ardour/ardour_ui.h
index d0c1e7194a..920cb97f44 100644
--- a/gtk2_ardour/ardour_ui.h
+++ b/gtk2_ardour/ardour_ui.h
@@ -156,7 +156,7 @@ class ARDOUR_UI : public Gtkmm2ext::UI
 	static sigc::signal<void,bool> Blink;
 	static sigc::signal<void>      RapidScreenUpdate;
 	static sigc::signal<void>      SuperRapidScreenUpdate;
-	static sigc::signal<void,nframes_t> Clock;
+	static sigc::signal<void,nframes_t, bool, nframes_t> Clock;
 
 	/* this is a helper function to centralize the (complex) logic for
 	   blinking rec-enable buttons.
@@ -690,6 +690,8 @@ class ARDOUR_UI : public Gtkmm2ext::UI
 	void toggle_ShowSoloMutes();
 	void toggle_LatchedRecordEnable ();
 	void toggle_RegionEquivalentsOverlap ();
+	void toggle_PrimaryClockDeltaEditCursor ();
+	void toggle_SecondaryClockDeltaEditCursor ();
 
 	void mtc_port_changed ();
 	void map_solo_model ();
diff --git a/gtk2_ardour/ardour_ui2.cc b/gtk2_ardour/ardour_ui2.cc
index f3e8b6e344..806ee8999e 100644
--- a/gtk2_ardour/ardour_ui2.cc
+++ b/gtk2_ardour/ardour_ui2.cc
@@ -271,8 +271,8 @@ ARDOUR_UI::setup_transport ()
 
 	/* clocks, etc. */
 
-	ARDOUR_UI::Clock.connect (bind (mem_fun (primary_clock, &AudioClock::set), false));
-	ARDOUR_UI::Clock.connect (bind (mem_fun (secondary_clock, &AudioClock::set), false));
+	ARDOUR_UI::Clock.connect (bind (mem_fun (primary_clock, &AudioClock::set), 1));
+	ARDOUR_UI::Clock.connect (bind (mem_fun (secondary_clock, &AudioClock::set), 2));
 
 	primary_clock.ValueChanged.connect (mem_fun(*this, &ARDOUR_UI::primary_clock_value_changed));
 	secondary_clock.ValueChanged.connect (mem_fun(*this, &ARDOUR_UI::secondary_clock_value_changed));
diff --git a/gtk2_ardour/ardour_ui_ed.cc b/gtk2_ardour/ardour_ui_ed.cc
index 22ef689a0b..d4a7a183e4 100644
--- a/gtk2_ardour/ardour_ui_ed.cc
+++ b/gtk2_ardour/ardour_ui_ed.cc
@@ -412,6 +412,8 @@ ARDOUR_UI::install_actions ()
 	ActionManager::register_toggle_action (option_actions, X_("GainReduceFastTransport"), _("-12dB gain reduce ffwd/rewind"), mem_fun (*this, &ARDOUR_UI::toggle_GainReduceFastTransport));
 	ActionManager::register_toggle_action (option_actions, X_("LatchedRecordEnable"), _("Rec-enable stays engaged at stop"), mem_fun (*this, &ARDOUR_UI::toggle_LatchedRecordEnable));
 	ActionManager::register_toggle_action (option_actions, X_("RegionEquivalentsOverlap"), _("Region equivalents overlap"), mem_fun (*this, &ARDOUR_UI::toggle_RegionEquivalentsOverlap));
+	ActionManager::register_toggle_action (option_actions, X_("PrimaryClockDeltaEditCursor"), _("Primary Clock delta to edit cursor"), mem_fun (*this, &ARDOUR_UI::toggle_PrimaryClockDeltaEditCursor));
+	ActionManager::register_toggle_action (option_actions, X_("SecondaryClockDeltaEditCursor"), _("Secondary Clock delta to edit cursor"), mem_fun (*this, &ARDOUR_UI::toggle_SecondaryClockDeltaEditCursor));	
 
 	act = ActionManager::register_toggle_action (option_actions, X_("DoNotRunPluginsWhileRecording"), _("Do not run plugins while recording"), mem_fun (*this, &ARDOUR_UI::toggle_DoNotRunPluginsWhileRecording));
 	ActionManager::session_sensitive_actions.push_back (act);
diff --git a/gtk2_ardour/ardour_ui_options.cc b/gtk2_ardour/ardour_ui_options.cc
index 34431aeafb..d456e30146 100644
--- a/gtk2_ardour/ardour_ui_options.cc
+++ b/gtk2_ardour/ardour_ui_options.cc
@@ -435,6 +435,18 @@ ARDOUR_UI::toggle_ShowSoloMutes()
 }
 
 void
+ARDOUR_UI::toggle_PrimaryClockDeltaEditCursor()
+{
+	ActionManager::toggle_config_state ("options", "PrimaryClockDeltaEditCursor", &Configuration::set_primary_clock_delta_edit_cursor, &Configuration::get_primary_clock_delta_edit_cursor);
+}
+
+void
+ARDOUR_UI::toggle_SecondaryClockDeltaEditCursor()
+{
+	ActionManager::toggle_config_state ("options", "SecondaryClockDeltaEditCursor", &Configuration::set_secondary_clock_delta_edit_cursor, &Configuration::get_secondary_clock_delta_edit_cursor);
+}
+
+void
 ARDOUR_UI::mtc_port_changed ()
 {
 	bool have_mtc;
@@ -962,7 +974,11 @@ ARDOUR_UI::parameter_changed (const char* parameter_name)
 		}
 	} else if (PARAM_IS ("use-overlap-equivalency")) {
 		ActionManager::map_some_state ("options", "RegionEquivalentsOverlap", &Configuration::get_use_overlap_equivalency);
-	}
+	} else if (PARAM_IS ("primary-clock-delta-edit-cursor")) {
+		ActionManager::map_some_state ("options",  "PrimaryClockDeltaEditCursor", &Configuration::get_primary_clock_delta_edit_cursor);
+	} else if (PARAM_IS ("secondary-clock-delta-edit-cursor")) {
+		ActionManager::map_some_state ("options",  "SecondaryClockDeltaEditCursor", &Configuration::get_secondary_clock_delta_edit_cursor);
+	} 
 			   
 
 #undef PARAM_IS
diff --git a/gtk2_ardour/audio_clock.cc b/gtk2_ardour/audio_clock.cc
index 28505ab46d..a86b51d1fb 100644
--- a/gtk2_ardour/audio_clock.cc
+++ b/gtk2_ardour/audio_clock.cc
@@ -77,6 +77,8 @@ AudioClock::AudioClock (std::string clock_name, bool transient, std::string widg
 {
 	session = 0;
 	last_when = 0;
+	last_pdelta = 0;
+	last_sdelta = 0;
 	key_entry_state = 0;
 	ops_menu = 0;
 	dragging = false;
@@ -383,17 +385,41 @@ AudioClock::on_realize ()
 }
 
 void
-AudioClock::set (nframes_t when, bool force)
+AudioClock::set (nframes_t when, bool force, nframes_t offset, int which)
 {
 
  	if ((!force && !is_visible()) || session == 0) {
 		return;
 	}
 	
-	if (when == last_when && !force) {
+	if (when == last_when && !offset && !force) {
 		return;
 	}
 
+	bool pdelta = Config->get_primary_clock_delta_edit_cursor();
+	bool sdelta = Config->get_secondary_clock_delta_edit_cursor();
+
+	if (offset && which == 1 && pdelta) {
+		when = (when > offset) ? when - offset : offset - when;
+	} else if (offset && which == 2 && sdelta) {
+		when = (when > offset) ? when - offset : offset - when;
+	}
+
+	if (which == 1 && pdelta && !last_pdelta) {
+		cout << "set_widget_name() called" << endl;
+		set_widget_name("TransportClockDisplayDelta");
+		last_pdelta = true;
+	} else if (which == 1 && !pdelta && last_pdelta) {
+		set_widget_name("TransportClockDisplay");
+		last_pdelta = false;
+	} else if (which == 2  && sdelta && !last_sdelta) {
+		set_widget_name("SecondaryClockDisplayDelta");
+		last_sdelta = true;
+	} else if (which == 2 && !sdelta && last_sdelta) {
+		set_widget_name("SecondaryClockDisplay");
+		last_sdelta = false;
+	}
+
 	switch (_mode) {
 	case SMPTE:
 		set_smpte (when, force);
diff --git a/gtk2_ardour/audio_clock.h b/gtk2_ardour/audio_clock.h
index f0790dcbc8..d0c5afb658 100644
--- a/gtk2_ardour/audio_clock.h
+++ b/gtk2_ardour/audio_clock.h
@@ -46,7 +46,7 @@ class AudioClock : public Gtk::HBox
 
 	Mode mode() const { return _mode; }
 	
-	void set (nframes_t, bool force = false);
+	void set (nframes_t, bool force = false, nframes_t offset = 0, int which = 0);
 	void set_mode (Mode);
 	
 	void set_widget_name (std::string);
@@ -149,6 +149,8 @@ class AudioClock : public Gtk::HBox
 	Gtk::Frame     clock_frame;
 
 	nframes_t last_when;
+	bool last_pdelta;
+	bool last_sdelta;
 
 	uint32_t last_hrs;
 	uint32_t last_mins;