Update locations GUI more efficiently by avoiding a rebuild when a location is remove...

[ardour.git] / gtk2_ardour / location_ui.h

diff --git a/gtk2_ardour/location_ui.h b/gtk2_ardour/location_ui.h
index 3c32f02025fffa08b60fff8591beefa24b4be771..c3f07cc84d980c6298bf414b22be420e7e920328 100644 (file)
--- a/gtk2_ardour/location_ui.h
+++ b/gtk2_ardour/location_ui.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 1999-2002 Paul Davis 
+    Copyright (C) 1999-2002 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
@@ -26,19 +26,23 @@
 #include <gtkmm/table.h>
 #include <gtkmm/entry.h>
 #include <gtkmm/label.h>
+#include <gtkmm/paned.h>
+#include <gtkmm/scrolledwindow.h>
 
-#include <ardour/location.h>
-#include <ardour/session.h>
+#include "pbd/signals.h"
+
+#include "ardour/location.h"
+#include "ardour/session_handle.h"
 
 #include "ardour_dialog.h"
+#include "audio_clock.h"
 
 namespace ARDOUR {
        class LocationStack;
-       class Session;
        class Location;
 }
 
-class LocationEditRow  : public Gtk::HBox
+class LocationEditRow  : public Gtk::HBox, public ARDOUR::SessionHandlePtr
 {
   public:
        LocationEditRow (ARDOUR::Session *sess=0, ARDOUR::Location *loc=0, int32_t num=-1);
@@ -51,9 +55,9 @@ class LocationEditRow  : public Gtk::HBox
 
        void set_number (int);
        void focus_name();
-       
-       sigc::signal<void,ARDOUR::Location*> remove_requested;  
-       sigc::signal<void> redraw_ranges;  
+
+       sigc::signal<void,ARDOUR::Location*> remove_requested;
+       sigc::signal<void> redraw_ranges;
 
   protected:
 
@@ -64,23 +68,18 @@ class LocationEditRow  : public Gtk::HBox
        };
 
        ARDOUR::Location *location;
-       ARDOUR::Session  *session;
 
-       
-       
        Gtk::Table    item_table;
-       
+
        Gtk::Entry    name_entry;
        Gtk::Label    name_label;
        Gtk::Label    number_label;
-       
+
        Gtk::HBox     start_hbox;
-       Gtk::Button   start_set_button;
        Gtk::Button   start_go_button;
        AudioClock    start_clock;
 
        Gtk::HBox     end_hbox;
-       Gtk::Button   end_set_button;
        Gtk::Button   end_go_button;
        AudioClock    end_clock;
 
@@ -102,15 +101,14 @@ class LocationEditRow  : public Gtk::HBox
        Gtk::CheckButton   scms_check_button;
        Gtk::CheckButton   preemph_check_button;
 
-
        guint32 i_am_the_modifier;
        int   number;
-       
+
        void name_entry_changed ();
        void isrc_entry_changed ();
        void performer_entry_changed ();
        void composer_entry_changed ();
-              
+
        void set_button_pressed (LocationPart part);
        void go_button_pressed (LocationPart part);
 
@@ -129,40 +127,38 @@ class LocationEditRow  : public Gtk::HBox
        void name_changed (ARDOUR::Location *);
        void location_changed (ARDOUR::Location *);
        void flags_changed (ARDOUR::Location *, void *src);
-       
-       sigc::connection start_changed_connection;
-       sigc::connection end_changed_connection;
-       sigc::connection name_changed_connection;
-       sigc::connection changed_connection;
-       sigc::connection flags_changed_connection;
-       
-};
 
+       PBD::ScopedConnectionList connections;
+};
 
-class LocationUI : public ArdourDialog
+class LocationUI : public Gtk::HBox, public ARDOUR::SessionHandlePtr
 {
   public:
        LocationUI ();
        ~LocationUI ();
-
+       
        void set_session (ARDOUR::Session *);
 
-       void on_show();
+       void add_new_location();
+       void add_new_range();
+
+       void refresh_location_list ();
 
   private:
        ARDOUR::LocationStack* locations;
        ARDOUR::Location *newest_location;
-        
-       void session_gone();
+
+       void session_going_away ();
 
        Gtk::VBox  location_vpacker;
-       Gtk::HBox  location_hpacker;
 
        LocationEditRow      loop_edit_row;
        LocationEditRow      punch_edit_row;
-       
+       Gtk::VBox loop_punch_box;
+       Gtk::ScrolledWindow loop_punch_scroller;
+
        Gtk::VPaned loc_range_panes;
-       
+
        Gtk::Frame loc_frame;
        Gtk::VBox  loc_frame_box;
        Gtk::Button add_location_button;
@@ -175,7 +171,6 @@ class LocationUI : public ArdourDialog
        Gtk::ScrolledWindow  range_rows_scroller;
        Gtk::VBox            range_rows;
 
-
        /* When any location changes it start
           or end points, it sends a signal that is caught
           by one of these functions
@@ -186,20 +181,30 @@ class LocationUI : public ArdourDialog
        void location_redraw_ranges ();
 
        gint do_location_remove (ARDOUR::Location *);
-       
+
        guint32 i_am_the_modifier;
 
-       void add_new_location();
-       void add_new_range();
-       
-       void refresh_location_list ();
-       void refresh_location_list_s (ARDOUR::Change);
        void location_removed (ARDOUR::Location *);
        void location_added (ARDOUR::Location *);
+       void locations_changed (ARDOUR::Locations::Change);
        void map_locations (ARDOUR::Locations::LocationList&);
+};
+
+class LocationUIWindow : public ArdourDialog
+{
+  public:
+       LocationUIWindow ();
+       ~LocationUIWindow ();
+
+       void on_show();
+       void set_session (ARDOUR::Session *);
+
+       LocationUI& ui() { return _ui; }
 
   protected:
+       LocationUI _ui;
        bool on_delete_event (GdkEventAny*);
+       void session_going_away();
 };
 
 #endif // __ardour_location_ui_h__