2 Copyright (C) 2002 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.
21 #ifndef __ardour_panner_2d_h__
22 #define __ardour_panner_2d_h__
24 #include <sys/types.h>
28 #include <glibmm/refptr.h>
29 #include <gtkmm/drawingarea.h>
47 class Panner2d : public Gtk::DrawingArea
50 Panner2d (ARDOUR::Panner&, int32_t width, int32_t height);
53 int puck_position (int which_puck, float& x, float& y);
54 int target_position (int which_target, float& x, float& y);
56 void allow_x_motion(bool);
57 void allow_y_motion(bool);
58 void allow_target_motion (bool);
60 void hide_puck (int which);
61 void show_puck (int which);
62 int add_target (float x, float y);
63 int add_puck (const char* text, float x, float y);
64 void hide_target (int);
65 void show_target (int);
66 void remove_target (int);
69 void move_target (int, float x, float y);
70 void move_puck (int, float x, float y);
71 void reset (uint32_t n_inputs);
73 sigc::signal<void,int> PuckMoved;
74 sigc::signal<void,int> TargetMoved;
77 bool on_expose_event (GdkEventExpose *);
78 bool on_button_press_event (GdkEventButton *);
79 bool on_button_release_event (GdkEventButton *);
80 bool on_motion_notify_event (GdkEventMotion *);
81 void on_size_allocate (Gtk::Allocation& alloc);
91 Target (float xa, float ya, const char* txt = 0);
95 ARDOUR::Panner& panner;
96 Gtk::Menu* context_menu;
97 Gtk::CheckMenuItem* bypass_menu_item;
98 Glib::RefPtr<Pango::Layout> layout;
100 typedef std::map<int,Target *> Targets;
115 gint compute_x (float);
116 gint compute_y (float);
118 Target *find_closest_object (gdouble x, gdouble y, int& which, bool& is_puck) const;
120 gint handle_motion (gint, gint, GdkModifierType);
122 void toggle_bypass ();
123 void show_context_menu ();
124 void handle_state_change ();
127 #endif /* __ardour_panner_2d_h__ */