Initial import of gtk2_ardour.

git-svn-id: svn://localhost/trunk/ardour2@24 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 311 insertions, 0 deletions

diff --git a/gtk2_ardour/editor_mixer.cc b/gtk2_ardour/editor_mixer.cc
new file mode 100644
index 0000000000..b5f2ea6cc1
--- /dev/null
+++ b/gtk2_ardour/editor_mixer.cc
@@ -0,0 +1,311 @@
+/*
+    Copyright (C) 2003-2004 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.
+
+    $Id$
+*/
+
+#include <gtkmmext/utils.h>
+#include <ardour/audioengine.h>
+
+#include "editor.h"
+#include "mixer_strip.h"
+#include "ardour_ui.h"
+#include "selection.h"
+#include "audio_time_axis.h"
+
+#include "i18n.h"
+
+void
+Editor::editor_mixer_button_toggled ()
+{
+	show_editor_mixer (editor_mixer_button.get_active());
+}
+
+void
+Editor::cms_deleted ()
+{
+	current_mixer_strip = 0;
+}
+
+void
+Editor::show_editor_mixer (bool yn)
+{
+	if (yn) {
+
+		if (current_mixer_strip == 0) {
+
+			if (selection->tracks.empty()) {
+				
+				if (track_views.empty()) {
+					return;
+				}
+				
+				for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+					AudioTimeAxisView* atv;
+
+					if ((atv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
+						
+						current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
+										      *session,
+										      atv->route(), false);
+
+						current_mixer_strip->GoingAway.connect (slot (*this, &Editor::cms_deleted));						
+						break;
+					}
+				}
+
+			} else {
+				for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
+					AudioTimeAxisView* atv;
+
+					if ((atv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
+
+						current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
+										      *session,
+										      atv->route(), false);
+						current_mixer_strip->GoingAway.connect (slot (*this, &Editor::cms_deleted));						
+						break;
+					}
+				}
+
+			}
+
+			if (current_mixer_strip == 0) {
+				return;
+			}		
+		}
+		
+		if (current_mixer_strip->get_parent() == 0) {
+
+			current_mixer_strip->set_embedded (true);
+			current_mixer_strip->Hiding.connect (slot (*this, &Editor::current_mixer_strip_hidden));
+			current_mixer_strip->GoingAway.connect (slot (*this, &Editor::current_mixer_strip_removed));
+			current_mixer_strip->set_width (editor_mixer_strip_width);
+			current_mixer_strip->show_all ();
+			
+			global_hpacker.pack_start (*current_mixer_strip, false, false);
+			global_hpacker.reorder_child (*current_mixer_strip, 0);
+		}
+
+	} else {
+
+		if (current_mixer_strip) {
+			editor_mixer_strip_width = current_mixer_strip->get_width ();
+			if (current_mixer_strip->get_parent() != 0) {
+				global_hpacker.remove (*current_mixer_strip);
+			}
+		}
+	}
+}
+
+void
+Editor::set_selected_mixer_strip (TimeAxisView& view)
+{
+	AudioTimeAxisView* at;
+	bool show = false;
+
+	if (!session || (at = dynamic_cast<AudioTimeAxisView*>(&view)) == 0) {
+		return;
+	}
+	
+	if (current_mixer_strip) {
+
+		/* might be nothing to do */
+
+		if (&current_mixer_strip->route() == &at->route()) {
+			return;
+		}
+
+		if (current_mixer_strip->get_parent()) {
+			show = true;
+		}
+
+		delete current_mixer_strip;
+		current_mixer_strip = 0;
+	}
+
+	current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
+					      *session,
+					      at->route());
+	current_mixer_strip->GoingAway.connect (slot (*this, &Editor::cms_deleted));
+	
+	if (show) {
+		show_editor_mixer (true);
+	}
+}
+
+void
+Editor::update_current_screen ()
+{
+	if (session && engine.running()) {
+
+		jack_nframes_t frame;
+
+		frame = session->audible_frame();
+
+		/* only update if the playhead is on screen or we are following it */
+
+		if (_follow_playhead) {
+
+			gtk_canvas_item_show (playhead_cursor->canvas_item);
+
+			if (frame != last_update_frame) {
+
+				if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
+					
+					if (session->transport_speed() < 0) {
+						if (frame > (current_page_frames()/2)) {
+							center_screen (frame-(current_page_frames()/2));
+						} else {
+							center_screen (current_page_frames()/2);
+						}
+					} else {
+						center_screen (frame+(current_page_frames()/2));
+					}
+				}
+
+				playhead_cursor->set_position (frame);
+			}
+
+		} else {
+			
+			if (frame != last_update_frame) {
+				if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
+					gtk_canvas_item_hide (playhead_cursor->canvas_item);
+				} else {
+					playhead_cursor->set_position (frame);
+				}
+			}
+		}
+
+		last_update_frame = frame;
+
+		if (current_mixer_strip) {
+			current_mixer_strip->fast_update ();
+		}
+		
+	}
+}
+
+void
+Editor::update_slower ()
+{
+		if (current_mixer_strip) {
+			current_mixer_strip->update ();
+		}
+}
+
+void
+Editor::current_mixer_strip_removed ()
+{
+	if (current_mixer_strip) {
+		/* it is being deleted */
+		current_mixer_strip = 0;
+	}
+}
+
+void
+Editor::current_mixer_strip_hidden ()
+{
+	for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
+		
+		AudioTimeAxisView* tmp;
+		
+		if ((tmp = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
+			if (&(tmp->route()) == &(current_mixer_strip->route())) {
+				(*i)->set_selected (false);
+				break;
+			}
+		}
+	}
+	global_hpacker.remove (*current_mixer_strip);
+}
+
+void
+Editor::session_going_away ()
+{
+	for (vector<SigC::Connection>::iterator i = session_connections.begin(); i != session_connections.end(); ++i) {
+		(*i).disconnect ();
+	}
+
+	stop_scrolling ();
+	selection->clear ();
+	cut_buffer->clear ();
+
+	clicked_regionview = 0;
+	clicked_trackview = 0;
+	clicked_audio_trackview = 0;
+	clicked_crossfadeview = 0;
+	entered_regionview = 0;
+	entered_track = 0;
+	latest_regionview = 0;
+	region_list_display_drag_region = 0;
+	last_update_frame = 0;
+	drag_info.item = 0;
+	last_audition_region = 0;
+	region_list_button_region = 0;
+
+	/* hide all tracks */
+
+	hide_all_tracks (false);
+
+	/* rip everything out of the list displays */
+
+	region_list_clear (); // no clear() method in gtkmm 1.2 
+	route_list.clear ();
+	named_selection_display.clear ();
+	edit_group_list.clear ();
+
+	edit_cursor_clock.set_session (0);
+	selection_start_clock.set_session (0);
+	selection_end_clock.set_session (0);
+	zoom_range_clock.set_session (0);
+	nudge_clock.set_session (0);
+
+	/* put editor/mixer toggle button in off position and disable until a new session is loaded */
+
+	editor_mixer_button.set_active(false);
+	editor_mixer_button.set_sensitive(false);
+	/* clear tempo/meter rulers */
+
+	remove_metric_marks ();
+	hide_measures ();
+	clear_marker_display ();
+
+	if (current_bbt_points) {
+		delete current_bbt_points;
+		current_bbt_points = 0;
+	}
+
+	if (embed_audio_item) {
+		embed_audio_item->set_sensitive (false);
+	} 
+
+	if (import_audio_item) {
+		import_audio_item->set_sensitive (false);
+	}
+
+	/* mixer strip will be deleted all by itself 
+	   when its route is deleted.
+	*/
+
+	current_mixer_strip = 0;
+
+	set_title (_("ardour: editor"));
+
+	session = 0;
+}