127 lines
2.9 KiB
C++
127 lines
2.9 KiB
C++
/*
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Copyright (C) 2002 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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#ifndef __ardour_panner_2d_h__
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#define __ardour_panner_2d_h__
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#include <sys/types.h>
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#include <map>
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#include <string>
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#include <glibmm/refptr.h>
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#include <gtkmm/drawingarea.h>
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using std::map;
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using std::string;
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namespace ARDOUR {
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class Panner;
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}
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namespace Gtk {
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class Menu;
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class CheckMenuItem;
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}
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namespace Pango {
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class Layout;
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}
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class Panner2d : public Gtk::DrawingArea
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{
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public:
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Panner2d (ARDOUR::Panner&, int32_t height);
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~Panner2d ();
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int puck_position (int which_puck, float& x, float& y);
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int target_position (int which_target, float& x, float& y);
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void allow_x_motion(bool);
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void allow_y_motion(bool);
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void allow_target_motion (bool);
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void hide_puck (int which);
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void show_puck (int which);
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int add_target (float x, float y);
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int add_puck (const char* text, float x, float y);
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void hide_target (int);
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void show_target (int);
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void remove_target (int);
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void drop_targets ();
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void drop_pucks ();
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void move_target (int, float x, float y);
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void move_puck (int, float x, float y);
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void reset (uint32_t n_inputs);
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sigc::signal<void,int> PuckMoved;
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sigc::signal<void,int> TargetMoved;
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protected:
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bool on_expose_event (GdkEventExpose *);
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bool on_button_press_event (GdkEventButton *);
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bool on_button_release_event (GdkEventButton *);
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bool on_motion_notify_event (GdkEventMotion *);
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void on_size_allocate (Gtk::Allocation& alloc);
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private:
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struct Target {
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float x;
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float y;
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bool visible;
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char* text;
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size_t textlen;
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Target (float xa, float ya, const char* txt = 0);
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~Target ();
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};
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ARDOUR::Panner& panner;
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Gtk::Menu* context_menu;
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Gtk::CheckMenuItem* bypass_menu_item;
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Glib::RefPtr<Pango::Layout> layout;
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typedef std::map<int,Target *> Targets;
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Targets targets;
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Targets pucks;
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Target *drag_target;
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int drag_index;
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bool drag_is_puck;
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bool allow_x;
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bool allow_y;
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bool allow_target;
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int width;
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int height;
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bool bypassflag;
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gint compute_x (float);
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gint compute_y (float);
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Target *find_closest_object (gdouble x, gdouble y, int& which, bool& is_puck) const;
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gint handle_motion (gint, gint, GdkModifierType);
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void toggle_bypass ();
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void show_context_menu ();
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void handle_state_change ();
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};
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#endif /* __ardour_panner_2d_h__ */
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