135 lines
4.0 KiB
C++
135 lines
4.0 KiB
C++
/*
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Copyright (C) 1998-99 Paul Barton-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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$Id: motionfeedback.h,v 1.1.1.1 2001/11/24 00:44:46 pbd Exp $
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*/
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#ifndef __gtkmm2ext_motion_feedback_h__
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#define __gtkmm2ext_motion_feedback_h__
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#include "pbd/signals.h"
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#include <gdkmm/pixbuf.h>
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#include <gtkmm/box.h>
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#include <gtkmm/label.h>
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#include <gtkmm/eventbox.h>
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#include "gtkmm2ext/visibility.h"
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#include "gtkmm2ext/binding_proxy.h"
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#include "gtkmm2ext/prolooks-helpers.h"
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namespace Gtk {
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class Adjustment;
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class SpinButton;
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}
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namespace Gtkmm2ext {
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class LIBGTKMM2EXT_API MotionFeedback : public Gtk::VBox
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{
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public:
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enum Type {
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Rotary,
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CenterSpring,
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Endless
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};
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MotionFeedback (Glib::RefPtr<Gdk::Pixbuf>,
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Type type,
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boost::shared_ptr<PBD::Controllable>,
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double default_value,
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double step_increment,
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double page_increment,
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const char *widget_name = NULL,
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bool with_numeric_display = true,
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int sub_image_width = 40,
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int sub_image_height = 40);
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virtual ~MotionFeedback ();
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Gtk::Widget& eventwin () { return pixwin; }
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boost::shared_ptr<PBD::Controllable> controllable() const;
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virtual void set_controllable (boost::shared_ptr<PBD::Controllable> c);
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static void set_lamp_color (const std::string&);
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static Glib::RefPtr<Gdk::Pixbuf> render_pixbuf (int size);
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void set_print_func(void (*pf)(char buf[32], const boost::shared_ptr<PBD::Controllable>&, void *),
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void *arg) {
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print_func = pf;
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print_arg = arg;
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};
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protected:
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boost::shared_ptr<PBD::Controllable> _controllable;
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Gtk::Label* value;
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double default_value;
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double step_inc;
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double page_inc;
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void pixwin_size_request (GtkRequisition *);
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bool pixwin_button_press_event (GdkEventButton *);
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bool pixwin_button_release_event (GdkEventButton *);
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bool pixwin_motion_notify_event (GdkEventMotion *);
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bool pixwin_key_press_event (GdkEventKey *);
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bool pixwin_enter_notify_event (GdkEventCrossing *);
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bool pixwin_leave_notify_event (GdkEventCrossing *);
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bool pixwin_focus_in_event (GdkEventFocus*);
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bool pixwin_focus_out_event (GdkEventFocus *);
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bool pixwin_expose_event (GdkEventExpose*);
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bool pixwin_scroll_event (GdkEventScroll*);
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/* map a display value (0.0 .. 1.0) to a control
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value (controllable->lower() .. controllable()->upper)
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*/
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virtual double to_control_value (double) = 0;
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/* map a control value (controllable->lower() .. controllable()->upper)
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to a display value (0.0 .. 1.0)
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*/
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virtual double to_display_value (double) = 0;
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virtual double adjust (double nominal_delta) = 0;
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private:
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Type type;
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Gtk::EventBox pixwin;
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Gtk::EventBox* value_packer;
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Glib::RefPtr<Gdk::Pixbuf> pixbuf;
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BindingProxy binding_proxy;
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static Gdk::Color* base_color;
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void (*print_func) (char buf[32], const boost::shared_ptr<PBD::Controllable>&, void *);
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void *print_arg;
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static void default_printer (char buf[32], const boost::shared_ptr<PBD::Controllable>&, void *);
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bool grab_is_fine;
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double grabbed_y;
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double grabbed_x;
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int subwidth;
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int subheight;
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void controllable_value_changed ();
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PBD::ScopedConnection controller_connection;
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static void core_draw (cairo_t*, int, double, double, double, double, const GdkColor* bright, const GdkColor* dark);
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};
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} /* namespace */
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#endif // __gtkmm2ext_motion_feedback_h__
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