2 Copyright (C) 2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <gtkmm/menu.h>
21 #include "editor_component.h"
22 #include "gtkmm2ext/cairo_widget.h"
31 /** Parent class for tabs which represent route groups as colored tabs;
32 * Currently used on the left-hand side of the editor and at the top of the mixer.
34 * This class also contains a fair bit of code to handle changes to route
35 * group colours; it seems a bit out of place, but I could not really think
36 * of a better place to put it.
38 class GroupTabs : public CairoWidget, public ARDOUR::SessionHandlePtr
42 virtual ~GroupTabs ();
44 void set_session (ARDOUR::Session *);
46 /** @param g Route group, or 0.
47 * @return Menu to be popped up on right-click over the given route group.
49 Gtk::Menu* get_menu (ARDOUR::RouteGroup* g);
51 void run_new_group_dialog (ARDOUR::RouteList const &);
53 static void set_group_color (ARDOUR::RouteGroup *, Gdk::Color);
54 static std::string group_gui_id (ARDOUR::RouteGroup *);
55 static Gdk::Color group_color (ARDOUR::RouteGroup *);
64 Gdk::Color color; ///< color
65 ARDOUR::RouteGroup* group; ///< route group
69 static void emit_gui_changed_for_members (ARDOUR::RouteGroup *);
71 /** Compute all the tabs for this widget.
74 virtual std::list<Tab> compute_tabs () const = 0;
77 * @param cr Cairo context.
80 virtual void draw_tab (cairo_t* cr, Tab const & t) const = 0;
82 /** @param x x coordinate
83 * @param y y coordinate
84 * @return x or y, depending on which is the primary coordinate for this widget.
86 virtual double primary_coordinate (double, double) const = 0;
88 virtual ARDOUR::RouteList routes_for_tab (Tab const * t) const = 0;
90 /** @return Size of the widget along the primary axis */
91 virtual double extent () const = 0;
93 virtual void add_menu_items (Gtk::Menu *, ARDOUR::RouteGroup *) {}
94 virtual PBD::PropertyList default_properties () const = 0;
95 virtual ARDOUR::RouteSortOrderKey order_key () const = 0;
96 virtual ARDOUR::RouteList selected_routes () const = 0;
97 virtual void sync_order_keys () = 0;
99 void new_from_selection ();
100 void new_from_rec_enabled ();
101 void new_from_soloed ();
102 ARDOUR::RouteGroup* create_and_add_group () const;
103 void collect (ARDOUR::RouteGroup *);
104 void set_activation (ARDOUR::RouteGroup *, bool);
105 void edit_group (ARDOUR::RouteGroup *);
106 void subgroup (ARDOUR::RouteGroup *, bool, ARDOUR::Placement);
107 void un_subgroup (ARDOUR::RouteGroup *);
108 void activate_all ();
110 void remove_group (ARDOUR::RouteGroup *);
112 void render (cairo_t *);
113 void on_size_request (Gtk::Requisition *);
114 bool on_button_press_event (GdkEventButton *);
115 bool on_motion_notify_event (GdkEventMotion *);
116 bool on_button_release_event (GdkEventButton *);
118 Tab * click_to_tab (double, std::list<Tab>::iterator *, std::list<Tab>::iterator *);
120 void route_group_property_changed (ARDOUR::RouteGroup *);
121 void route_added_to_route_group (ARDOUR::RouteGroup *, boost::weak_ptr<ARDOUR::Route>);
122 void route_removed_from_route_group (ARDOUR::RouteGroup *, boost::weak_ptr<ARDOUR::Route>);
125 std::list<Tab> _tabs; ///< current list of tabs
126 Tab* _dragging; ///< tab being dragged, or 0
127 /** routes that were in the tab that is being dragged when the drag started */
128 ARDOUR::RouteList _initial_dragging_routes;
129 bool _dragging_new_tab; ///< true if we're dragging a new tab
130 bool _drag_moved; ///< true if there has been movement during any current drag
131 double _drag_fixed; ///< the position of the fixed end of the tab being dragged
132 double _drag_moving; ///< the position of the moving end of the tab being dragged
133 double _drag_offset; ///< offset from the mouse to the end of the tab being dragged
134 double _drag_min; ///< minimum position for drag
135 double _drag_max; ///< maximum position for drag
136 double _drag_first; ///< first mouse pointer position during drag
138 /** colors that have been used for new route group tabs */
139 static std::list<Gdk::Color> _used_colors;