use image cursors for left/right trim cursors

[ardour.git] / gtk2_ardour / group_tabs.h

diff --git a/gtk2_ardour/group_tabs.h b/gtk2_ardour/group_tabs.h
index 861e66f2852f89ba28c15e138ff4a1403fcdf623..dbe3174f1b2129551299bda49705f9a12a06eb13 100644 (file)
--- a/gtk2_ardour/group_tabs.h
+++ b/gtk2_ardour/group_tabs.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2009 Paul Davis 
+    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
@@ -18,6 +18,7 @@
 */
 
 #include <gtkmm/menu.h>
+#include "editor_component.h"
 #include "cairo_widget.h"
 
 namespace ARDOUR {
@@ -30,26 +31,24 @@ class Editor;
 /** Parent class for tabs which represent route groups as coloured tabs;
  *  Currently used on the left-hand side of the editor and at the top of the mixer.
  */
-class GroupTabs : public CairoWidget
+class GroupTabs : public CairoWidget, public EditorComponent
 {
 public:
-       GroupTabs ();
+       GroupTabs (Editor *);
 
        void set_session (ARDOUR::Session *);
 
 protected:
 
        struct Tab {
-               double from; ///< start coordinate
-               double to; ///< end coordinate
+               Tab () : group (0) {}
+               
+               double from;
+               double to;
                Gdk::Color colour; ///< colour
                ARDOUR::RouteGroup* group; ///< route group
-               double first_ui_size; ///< GUI size of the first route in the group
-               double last_ui_size; ///< GUI size of the last route in the group
        };
 
-       ARDOUR::Session* _session; ///< our session
-
 private:
        /** Compute all the tabs for this widget.
         *  @return Tabs.
@@ -68,31 +67,34 @@ private:
         */
        virtual double primary_coordinate (double, double) const = 0;
 
-       /** Take a list of tabs and alter the route groups to reflect the tabs.
-        *  @param tabs.
-        */
-       virtual void reflect_tabs (std::list<Tab> const & tabs) = 0;
+       virtual ARDOUR::RouteList routes_for_tab (Tab const * t) const = 0;
 
        /** @return Size of the widget along the primary axis */
        virtual double extent () const = 0;
 
-       /** @param g Route group.
+       /** @param g Route group, or 0.
          *  @return Menu to be popped up on right-click over the given route group.
         */
        virtual Gtk::Menu* get_menu (ARDOUR::RouteGroup* g) = 0;
 
+       virtual ARDOUR::RouteGroup* new_route_group () const = 0;
+
        void render (cairo_t *);
        void on_size_request (Gtk::Requisition *);
        bool on_button_press_event (GdkEventButton *);
        bool on_motion_notify_event (GdkEventMotion *);
        bool on_button_release_event (GdkEventButton *);
 
-       Tab * click_to_tab (double, Tab**, Tab**);
+       Tab * click_to_tab (double, std::list<Tab>::iterator *, std::list<Tab>::iterator *);
 
        std::list<Tab> _tabs; ///< current list of tabs
        Tab* _dragging; ///< tab being dragged, or 0
+       bool _dragging_new_tab; ///< true if we're dragging a new tab
        bool _drag_moved; ///< true if there has been movement during any current drag
-       bool _drag_from; ///< true if the drag is of the `from' end of the tab, otherwise it's the `to' end
-       double _drag_last; ///< last mouse pointer position during drag
-       double _drag_limit; ///< limit of the current drag
+       double _drag_fixed; ///< the position of the fixed end of the tab being dragged
+       double _drag_moving; ///< the position of the moving end of the tab being dragged
+       double _drag_offset; ///< offset from the mouse to the end of the tab being dragged
+       double _drag_min; ///< minimum position for drag
+       double _drag_max; ///< maximum position for drag
+       double _drag_first; ///< first mouse pointer position during drag
 };