From e35621772ee93f7fbadeac5ff636d2c83eb6780f Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Tue, 23 Jan 2007 22:29:45 +0000
Subject: [PATCH] add transition_to_{roll,reverse}

git-svn-id: svn://localhost/ardour2/trunk@1376 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/ardour.bindings |  2 ++
 gtk2_ardour/ardour.menus    |  3 +++
 gtk2_ardour/ardour_ui_ed.cc | 16 ++++++++++++++++
 gtk2_ardour/editor.h        |  1 +
 gtk2_ardour/editor_ops.cc   | 24 ++++++++++++++++++++++++
 gtk2_ardour/public_editor.h |  1 +
 6 files changed, 47 insertions(+)

diff --git a/gtk2_ardour/ardour.bindings b/gtk2_ardour/ardour.bindings
index 6ebd9b284c..1297a98266 100644
--- a/gtk2_ardour/ardour.bindings
+++ b/gtk2_ardour/ardour.bindings
@@ -257,6 +257,8 @@
 ; (gtk_accel_path "<Actions>/Main/Snapshot" "")
 ; (gtk_accel_path "<Actions>/Transport/ToggleVideoSync" "")
 (gtk_accel_path "<Actions>/Transport/ToggleRoll" "space")
+(gtk_accel_path "<Actions>/Transport/TransitionToRoll" "<Ctrl>uparrow")
+(gtk_accel_path "<Actions>/Transport/TransitionToReverse" "<Ctrl>downarrow")
 ; (gtk_accel_path "<Actions>/RegionList/SortBySourceFilesystem" "")
 (gtk_accel_path "<Actions>/Common/ToggleColorManager" "<Alt>c")
 ; (gtk_accel_path "<Actions>/Common/About" "")
diff --git a/gtk2_ardour/ardour.menus b/gtk2_ardour/ardour.menus
index 075a526693..7bb75ed94b 100644
--- a/gtk2_ardour/ardour.menus
+++ b/gtk2_ardour/ardour.menus
@@ -47,6 +47,9 @@
 	       <separator/>
                <menuitem action='Record'/>
                <separator/> 
+               <menuitem action='TransitionToRoll'/>
+               <menuitem action='TransitionToReverse'/>
+               <separator/> 
                <menuitem action='jump-forward-to-mark'/>
                <menuitem action='jump-backward-to-mark'/>
                <menuitem action='add-location-from-playhead'/>
diff --git a/gtk2_ardour/ardour_ui_ed.cc b/gtk2_ardour/ardour_ui_ed.cc
index 2ebcb765c3..c2e8740789 100644
--- a/gtk2_ardour/ardour_ui_ed.cc
+++ b/gtk2_ardour/ardour_ui_ed.cc
@@ -233,6 +233,22 @@ ARDOUR_UI::install_actions ()
 	ActionManager::register_action (transport_actions, X_("ToggleRollForgetCapture"), _("Stop + Forget Capture"), bind (mem_fun(*editor, &PublicEditor::toggle_playback), true));
 	ActionManager::session_sensitive_actions.push_back (act);
 	ActionManager::transport_sensitive_actions.push_back (act);
+
+	/* these two behave as follows:
+
+	   - if transport speed != 1.0 or != -1.0, change speed to 1.0 or -1.0 (respectively)
+	   - otherwise do nothing
+	*/
+
+	ActionManager::register_action (transport_actions, X_("TransitionToRoll"), _("Transition To Roll"), bind (mem_fun (*editor, &PublicEditor::transition_to_rolling), true));
+	ActionManager::session_sensitive_actions.push_back (act);
+	ActionManager::session_sensitive_actions.push_back (act);
+
+	ActionManager::register_action (transport_actions, X_("TransitionToReverse"), _("Transition To Reverse"), bind (mem_fun (*editor, &PublicEditor::transition_to_rolling), false));
+	ActionManager::session_sensitive_actions.push_back (act);
+	ActionManager::session_sensitive_actions.push_back (act);
+
+
 	act = ActionManager::register_action (transport_actions, X_("Loop"), _("Play Loop Range"), mem_fun(*this, &ARDOUR_UI::toggle_session_auto_loop));
 	ActionManager::session_sensitive_actions.push_back (act);
 	ActionManager::transport_sensitive_actions.push_back (act);
diff --git a/gtk2_ardour/editor.h b/gtk2_ardour/editor.h
index 94d85f976c..43f170f679 100644
--- a/gtk2_ardour/editor.h
+++ b/gtk2_ardour/editor.h
@@ -171,6 +171,7 @@ class Editor : public PublicEditor
 	void separate_region_from_selection ();
 	void separate_regions_using_location (ARDOUR::Location&);
 	void toggle_playback (bool with_abort);
+	void transition_to_rolling (bool forward);
 
 	/* undo related */
 
diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index 3b053d7042..bdae9dca66 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -1911,6 +1911,30 @@ Editor::edit_envelope ()
 
 /* PLAYBACK */
 
+void
+Editor::transition_to_rolling (bool fwd)
+{
+	if (!session) {
+		return;
+	}
+
+	switch (Config->get_slave_source()) {
+	case None:
+	case JACK:
+		break;
+	default:
+		/* transport controlled by the master */
+		return;
+	}
+
+	if (session->is_auditioning()) {
+		session->cancel_audition ();
+		return;
+	}
+	
+	session->request_transport_speed (fwd ? 1.0f : -1.0f);
+}
+
 void
 Editor::toggle_playback (bool with_abort)
 {
diff --git a/gtk2_ardour/public_editor.h b/gtk2_ardour/public_editor.h
index dcc9a3b3ab..2e00b632b7 100644
--- a/gtk2_ardour/public_editor.h
+++ b/gtk2_ardour/public_editor.h
@@ -86,6 +86,7 @@ class PublicEditor : public Gtk::Window, public PBD::StatefulThingWithGoingAway
 	virtual void new_region_from_selection () = 0;
 	virtual void separate_region_from_selection () = 0;
 	virtual void toggle_playback (bool with_abort) = 0;
+	virtual void transition_to_rolling (bool fwd) = 0;
 	virtual nframes_t unit_to_frame (double unit) = 0;
 	virtual double frame_to_unit (nframes_t frame) = 0;
 	virtual double frame_to_unit (double frame) = 0;