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Copyright (C) 2004 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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#ifndef __gtkmm2ext_bar_controller_h__
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#define __gtkmm2ext_bar_controller_h__
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#include <gtkmm/frame.h>
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#include <gtkmm/drawingarea.h>
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#include <gtkmm2ext/binding_proxy.h>
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class BarController : public Gtk::Frame
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BarController (Gtk::Adjustment& adj, boost::shared_ptr<PBD::Controllable>);
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virtual ~BarController ();
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barStyle style() const { return _style; }
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void set_style (barStyle);
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void set_use_parent (bool yn);
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void set_sensitive (bool yn);
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void set_logarithmic (bool yn) { logarithmic = yn; }
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sigc::signal<void> StartGesture;
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sigc::signal<void> StopGesture;
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/* export this to allow direct connection to button events */
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Gtk::Widget& event_widget() { return darea; }
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boost::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
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void set_controllable(boost::shared_ptr<PBD::Controllable> c) { binding_proxy.set_controllable(c); }
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/** Emitted when the adjustment spinner is activated or deactivated;
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* the parameter is true on activation, false on deactivation.
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sigc::signal<void, bool> SpinnerActive;
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Gtk::Adjustment& adjustment;
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BindingProxy binding_proxy;
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Gtk::DrawingArea darea;
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Glib::RefPtr<Pango::Layout> layout;
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bool switch_on_release;
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GdkWindow* grab_window;
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Gtk::SpinButton spinner;
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sigc::slot<std::string> _label_slot;
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virtual std::string get_label (double& /*x*/) {
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void create_patterns();
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Cairo::RefPtr<Cairo::Pattern> pattern;
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Cairo::RefPtr<Cairo::Pattern> shine_pattern;
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virtual bool button_press (GdkEventButton *);
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virtual bool button_release (GdkEventButton *);
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virtual bool motion (GdkEventMotion *);
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virtual bool expose (GdkEventExpose *);
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virtual bool scroll (GdkEventScroll *);
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virtual bool entry_focus_out (GdkEventFocus*);
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gint mouse_control (double x, GdkWindow* w, double scaling);
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gint switch_to_bar ();
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gint switch_to_spinner ();
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void entry_activated ();
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int entry_input (double* new_value);
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bool entry_output ();
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#endif // __gtkmm2ext_bar_controller_h__