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>
36 class Panner2d : public Gtk::DrawingArea
39 Panner2d (ARDOUR::Panner&, int32_t width, int32_t height);
42 int puck_position (int which_puck, float& x, float& y);
43 int target_position (int which_target, float& x, float& y);
45 void allow_x_motion(bool);
46 void allow_y_motion(bool);
47 void allow_target_motion (bool);
49 void hide_puck (int which);
50 void show_puck (int which);
51 int add_target (float x, float y);
52 int add_puck (const char* text, float x, float y);
53 void hide_target (int);
54 void show_target (int);
55 void remove_target (int);
58 void move_target (int, float x, float y);
59 void move_puck (int, float x, float y);
60 void reset (uint32_t n_inputs);
62 sigc::signal<void,int> PuckMoved;
63 sigc::signal<void,int> TargetMoved;
66 bool on_expose_event (GdkEventExpose *);
67 bool on_button_press_event (GdkEventButton *);
68 bool on_button_release_event (GdkEventButton *);
69 bool on_motion_notify_event (GdkEventMotion *);
70 void on_size_allocate (Gtk::Allocation alloc);
80 Target (float xa, float ya, const char* txt = 0);
84 ARDOUR::Panner& panner;
85 Gtk::Menu* context_menu;
86 Gtk::CheckMenuItem* bypass_menu_item;
87 Glib::RefPtr<Pango::Layout> layout;
89 typedef std::map<int,Target *> Targets;
104 gint compute_x (float);
105 gint compute_y (float);
107 Target *find_closest_object (gdouble x, gdouble y, int& which, bool& is_puck) const;
109 gint handle_motion (gint, gint, GdkModifierType);
111 void toggle_bypass ();
112 void show_context_menu ();
113 void handle_state_change ();
116 #endif /* __ardour_panner_2d_h__ */