2 Copyright (C) 2004 Paul Davis
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; either version 2 of the License, or
6 (at your option) any later version.
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 #ifndef __gtkmm2ext_bar_controller_h__
20 #define __gtkmm2ext_bar_controller_h__
22 #include <gtkmm/frame.h>
23 #include <gtkmm/drawingarea.h>
26 #include "gtkmm2ext/visibility.h"
27 #include "gtkmm2ext/binding_proxy.h"
31 class LIBGTKMM2EXT_API BarController : public Gtk::Frame
34 BarController (Gtk::Adjustment& adj, boost::shared_ptr<PBD::Controllable>);
36 virtual ~BarController ();
49 barStyle style() const { return _style; }
50 void set_style (barStyle);
51 void set_use_parent (bool yn);
53 void set_sensitive (bool yn);
55 void set_logarithmic (bool yn) { logarithmic = yn; }
57 sigc::signal<void> StartGesture;
58 sigc::signal<void> StopGesture;
60 /* export this to allow direct connection to button events */
62 Gtk::Widget& event_widget() { return darea; }
64 boost::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
65 void set_controllable(boost::shared_ptr<PBD::Controllable> c) { binding_proxy.set_controllable(c); }
67 /** Emitted when the adjustment spinner is activated or deactivated;
68 * the parameter is true on activation, false on deactivation.
70 sigc::signal<void, bool> SpinnerActive;
73 Gtk::Adjustment& adjustment;
74 BindingProxy binding_proxy;
75 Gtk::DrawingArea darea;
76 Glib::RefPtr<Pango::Layout> layout;
80 bool switch_on_release;
83 GdkWindow* grab_window;
84 Gtk::SpinButton spinner;
87 sigc::slot<std::string> _label_slot;
90 virtual std::string get_label (double& /*x*/) {
94 virtual bool button_press (GdkEventButton *);
95 virtual bool button_release (GdkEventButton *);
96 virtual bool motion (GdkEventMotion *);
97 virtual bool expose (GdkEventExpose *);
98 virtual bool scroll (GdkEventScroll *);
99 virtual bool entry_focus_out (GdkEventFocus*);
100 bool on_enter_notify_event (GdkEventCrossing* ev);
101 bool on_leave_notify_event (GdkEventCrossing* ev);
103 gint mouse_control (double x, GdkWindow* w, double scaling);
105 Gdk::Color get_parent_bg ();
107 gint switch_to_bar ();
108 gint switch_to_spinner ();
110 void entry_activated ();
113 int entry_input (double* new_value);
114 bool entry_output ();
123 #endif // __gtkmm2ext_bar_controller_h__