Logo Search packages:      
Sourcecode: ardour version File versions  Download package

slider_controller.cc

/*
    Copyright (C) 1998-99 Paul Davis
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

    $Id: slider_controller.cc,v 1.9 2005/04/09 13:38:13 pauld Exp $
*/

#include <string>
#include <climits>

#include <midi++/controllable.h>

#include <gtkmmext/gtk_ui.h>
#include <gtkmmext/slider_controller.h>
#include <gtkmmext/pix.h>

#include "i18n.h"

using namespace Gtkmmext;

SliderController::SliderController (Pix *pixset,
                            Gtk::Adjustment *adj,
                            MIDI::Controllable *mc,
                            bool with_numeric)

      : PixScroller (*adj, *pixset),
        spin (*adj, 0, 2),
        prompter (GTK_WIN_POS_MOUSE, 30000, false),
        midi_control (mc),
        bind_button (2),
        bind_statemask (GDK_CONTROL_MASK)

{                   
      pixset->generate (0, 0);

      button_press_event.connect (slot (this, &SliderController::button_press));
      spin.set_name ("SliderControllerValue");
      spin.set_usize (70,-1); // should be based on font size somehow
      spin.set_numeric (true);
      spin.set_snap_to_ticks (false);

      prompter.unmap_event.connect (slot (*this, &SliderController::prompter_hiding));
      
      prompting = false;
      unprompting = false;
      
      if (mc) {
            mc->learning_started.connect (slot (*this, &SliderController::midicontrol_prompt));
            mc->learning_stopped.connect (slot (*this, &SliderController::midicontrol_unprompt));
      }
}

void
SliderController::set_value (float v)
{
      adj.set_value (v);
}

void
SliderController::set_bind_button_state (guint button, guint statemask)
{
      bind_button = button;
      bind_statemask = statemask;
}

void
SliderController::get_bind_button_state (guint &button, guint &statemask)
{
      button = bind_button;
      statemask = bind_statemask;
}

void
SliderController::midi_learn()
{
      if (midi_control) {
            prompting = true;
            midi_control->learn_about_external_control ();
      }
}

gint
SliderController::button_press (GdkEventButton *ev)
{
      if ((ev->state & bind_statemask) && ev->button == bind_button) { 
            midi_learn ();
            return TRUE;
      }

      return FALSE;
}

void
SliderController::midicontrol_set_tip ()

{
      if (midi_control) {
            // Gtkmmext::UI::instance()->set_tip (this, midi_control->control_description());
      }
}

gint
SliderController::prompter_hiding (GdkEventAny *ev)
{
      if (unprompting) {
            if (midi_control) {
                  midi_control->stop_learning();
            }
            unprompting = false;
      }
      
      return FALSE;
}

void
SliderController::midicontrol_prompt ()

{
      if (prompting) {

            string prompt = _("operate MIDI controller now");
            prompter.set_text (prompt);
            Gtkmmext::UI::instance()->touch_display (&prompter);

            unprompting = true;
            prompting = false;
      }
}

void
SliderController::midicontrol_unprompt ()

{
      if (unprompting) {
            Gtkmmext::UI::instance()->touch_display (&prompter);
            unprompting = false;
      }
}


VSliderController::VSliderController (Pix *pixset,
                              Gtk::Adjustment *adj,
                              MIDI::Controllable *mcontrol,
                              bool with_numeric)

      : SliderController (pixset, adj, mcontrol, with_numeric)
{
      if (with_numeric) {
            spin_frame.add (spin);
            spin_frame.set_shadow_type (GTK_SHADOW_IN);
            spin_frame.set_name ("BaseFrame");
            spin_hbox.pack_start (spin_frame, false, true);
            // pack_start (spin_hbox, false, false);
      }
}

HSliderController::HSliderController (Pix *pixset,
                              Gtk::Adjustment *adj,
                              MIDI::Controllable *mcontrol,
                              bool with_numeric)
      
      : SliderController (pixset, adj, mcontrol, with_numeric)
{
      if (with_numeric) {
            spin_frame.add (spin);
            //spin_frame.set_shadow_type (GTK_SHADOW_IN);
            spin_frame.set_name ("BaseFrame");
            spin_hbox.pack_start (spin_frame, false, true);
            // pack_start (spin_hbox, false, false);
      }
}

Generated by  Doxygen 1.6.0   Back to index