140 lines
4.7 KiB
C++
140 lines
4.7 KiB
C++
/*
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Copyright (C) 2009 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <gtkmm/menu.h>
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#include "editor_component.h"
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#include "gtkmm2ext/cairo_widget.h"
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namespace ARDOUR {
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class Session;
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class RouteGroup;
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}
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class Editor;
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/** Parent class for tabs which represent route groups as colored tabs;
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* Currently used on the left-hand side of the editor and at the top of the mixer.
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*
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* This class also contains a fair bit of code to handle changes to route
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* group colours; it seems a bit out of place, but I could not really think
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* of a better place to put it.
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*/
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class GroupTabs : public CairoWidget, public ARDOUR::SessionHandlePtr
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{
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public:
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GroupTabs ();
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virtual ~GroupTabs ();
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void set_session (ARDOUR::Session *);
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/** @param g Route group, or 0.
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* @return Menu to be popped up on right-click over the given route group.
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*/
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Gtk::Menu* get_menu (ARDOUR::RouteGroup* g);
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void run_new_group_dialog (ARDOUR::RouteList const &);
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static void set_group_color (ARDOUR::RouteGroup *, uint32_t);
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static std::string group_gui_id (ARDOUR::RouteGroup *);
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static uint32_t group_color (ARDOUR::RouteGroup *);
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protected:
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struct Tab {
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Tab () : group (0) {}
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double from;
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double to;
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uint32_t color; ///< color
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ARDOUR::RouteGroup* group; ///< route group
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};
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private:
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static void emit_gui_changed_for_members (ARDOUR::RouteGroup *);
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/** Compute all the tabs for this widget.
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* @return Tabs.
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*/
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virtual std::list<Tab> compute_tabs () const = 0;
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/** Draw a tab.
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* @param cr Cairo context.
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* @param t Tab.
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*/
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virtual void draw_tab (cairo_t* cr, Tab const & t) const = 0;
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/** @param x x coordinate
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* @param y y coordinate
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* @return x or y, depending on which is the primary coordinate for this widget.
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*/
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virtual double primary_coordinate (double, double) const = 0;
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virtual ARDOUR::RouteList routes_for_tab (Tab const * t) const = 0;
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/** @return Size of the widget along the primary axis */
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virtual double extent () const = 0;
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virtual void add_menu_items (Gtk::Menu *, ARDOUR::RouteGroup *) {}
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virtual PBD::PropertyList default_properties () const = 0;
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virtual ARDOUR::RouteList selected_routes () const = 0;
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virtual void sync_order_keys () = 0;
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void new_from_selection ();
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void new_from_rec_enabled ();
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void new_from_soloed ();
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ARDOUR::RouteGroup* create_and_add_group () const;
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void collect (ARDOUR::RouteGroup *);
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void set_activation (ARDOUR::RouteGroup *, bool);
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void edit_group (ARDOUR::RouteGroup *);
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void subgroup (ARDOUR::RouteGroup *, bool, ARDOUR::Placement);
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void un_subgroup (ARDOUR::RouteGroup *);
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void activate_all ();
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void disable_all ();
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void remove_group (ARDOUR::RouteGroup *);
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void render (cairo_t *, cairo_rectangle_t*);
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void on_size_request (Gtk::Requisition *);
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bool on_button_press_event (GdkEventButton *);
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bool on_motion_notify_event (GdkEventMotion *);
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bool on_button_release_event (GdkEventButton *);
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Tab * click_to_tab (double, std::list<Tab>::iterator *, std::list<Tab>::iterator *);
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void route_group_property_changed (ARDOUR::RouteGroup *);
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void route_added_to_route_group (ARDOUR::RouteGroup *, boost::weak_ptr<ARDOUR::Route>);
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void route_removed_from_route_group (ARDOUR::RouteGroup *, boost::weak_ptr<ARDOUR::Route>);
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Gtk::Menu* _menu;
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std::list<Tab> _tabs; ///< current list of tabs
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Tab* _dragging; ///< tab being dragged, or 0
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/** routes that were in the tab that is being dragged when the drag started */
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ARDOUR::RouteList _initial_dragging_routes;
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bool _dragging_new_tab; ///< true if we're dragging a new tab
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bool _drag_moved; ///< true if there has been movement during any current drag
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double _drag_fixed; ///< the position of the fixed end of the tab being dragged
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double _drag_moving; ///< the position of the moving end of the tab being dragged
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double _drag_offset; ///< offset from the mouse to the end of the tab being dragged
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double _drag_min; ///< minimum position for drag
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double _drag_max; ///< maximum position for drag
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double _drag_first; ///< first mouse pointer position during drag
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/** colors that have been used for new route group tabs */
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static std::list<Gdk::Color> _used_colors;
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};
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