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/alignment.h>
23 #include <gtkmm/frame.h>
24 #include <gtkmm/drawingarea.h>
27 #include "gtkmm2ext/visibility.h"
28 #include "gtkmm2ext/binding_proxy.h"
32 class LIBGTKMM2EXT_API BarController : public Gtk::Alignment
35 BarController (Gtk::Adjustment& adj, boost::shared_ptr<PBD::Controllable>);
37 virtual ~BarController ();
50 barStyle style() const { return _style; }
51 void set_style (barStyle);
52 void set_use_parent (bool yn);
54 void set_sensitive (bool yn);
56 void set_logarithmic (bool yn) { logarithmic = yn; }
58 sigc::signal<void> StartGesture;
59 sigc::signal<void> StopGesture;
61 /* export this to allow direct connection to button events */
63 Gtk::Widget& event_widget() { return darea; }
65 boost::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
66 void set_controllable(boost::shared_ptr<PBD::Controllable> c) { binding_proxy.set_controllable(c); }
68 /** Emitted when the adjustment spinner is activated or deactivated;
69 * the parameter is true on activation, false on deactivation.
71 sigc::signal<void, bool> SpinnerActive;
74 Gtk::Adjustment& adjustment;
75 BindingProxy binding_proxy;
76 Gtk::DrawingArea darea;
77 Glib::RefPtr<Pango::Layout> layout;
81 bool switch_on_release;
84 GdkWindow* grab_window;
85 Gtk::SpinButton spinner;
88 sigc::slot<std::string> _label_slot;
91 virtual std::string get_label (double& /*x*/) {
95 virtual bool button_press (GdkEventButton *);
96 virtual bool button_release (GdkEventButton *);
97 virtual bool motion (GdkEventMotion *);
98 virtual bool expose (GdkEventExpose *);
99 virtual bool scroll (GdkEventScroll *);
100 virtual bool entry_focus_out (GdkEventFocus*);
101 bool on_enter_notify_event (GdkEventCrossing* ev);
102 bool on_leave_notify_event (GdkEventCrossing* ev);
104 gint mouse_control (double x, GdkWindow* w, double scaling);
106 Gdk::Color get_parent_bg ();
108 gint switch_to_bar ();
109 gint switch_to_spinner ();
111 void entry_activated ();
114 int entry_input (double* new_value);
115 bool entry_output ();
124 #endif // __gtkmm2ext_bar_controller_h__