/*
- 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
*/
#include <gtkmm/menu.h>
+#include "editor_component.h"
#include "cairo_widget.h"
namespace ARDOUR {
class Editor;
-class GroupTabs : public CairoWidget
+/** 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, public EditorComponent
{
public:
- GroupTabs ();
+ GroupTabs (Editor *);
void set_session (ARDOUR::Session *);
protected:
struct Tab {
+ Tab () : group (0) {}
+
double from;
double to;
- Gdk::Color colour;
- ARDOUR::RouteGroup* group;
- double first_ui_size;
- double last_ui_size;
+ Gdk::Color colour; ///< colour
+ ARDOUR::RouteGroup* group; ///< route group
};
- ARDOUR::Session* _session;
-
private:
+ /** Compute all the tabs for this widget.
+ * @return Tabs.
+ */
virtual std::list<Tab> compute_tabs () const = 0;
- virtual void draw_tab (cairo_t *, Tab const &) const = 0;
+
+ /** Draw a tab.
+ * @param cr Cairo context.
+ * @param t Tab.
+ */
+ virtual void draw_tab (cairo_t* cr, Tab const & t) const = 0;
+
+ /** @param x x coordinate
+ * @param y y coordinate
+ * @return x or y, depending on which is the primary coordinate for this widget.
+ */
virtual double primary_coordinate (double, double) const = 0;
- virtual void reflect_tabs (std::list<Tab> const &) = 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;
- virtual Gtk::Menu* get_menu (ARDOUR::RouteGroup *) = 0;
+
+ /** @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_motion_notify_event (GdkEventMotion *);
bool on_button_release_event (GdkEventButton *);
- Tab * click_to_tab (double, Tab**, Tab**);
-
- std::list<Tab> _tabs;
- Tab* _dragging;
- bool _drag_moved;
- bool _drag_from;
- double _drag_last;
- double _drag_limit;
+ 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
+ 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
};