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editor_keyboard.cc

/*
    Copyright (C) 2004 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.

*/

#include <ardour/audioregion.h>
#include <ardour/playlist.h>
#include <ardour/location.h>

#include <pbd/memento_command.h>

#include "editor.h"
#include "region_view.h"
#include "selection.h"
#include "keyboard.h"

#include "i18n.h"

using namespace ARDOUR;

void
Editor::kbd_driver (sigc::slot<void,GdkEvent*> theslot, bool use_track_canvas, bool use_time_canvas, bool can_select)
{
      gint x, y;
      double worldx, worldy;
      GdkEvent ev;
      Gdk::ModifierType mask;
      Glib::RefPtr<Gdk::Window> evw = track_canvas.get_window()->get_pointer (x, y, mask);
      bool doit = false;

      if (use_track_canvas && track_canvas_event_box.get_window()->get_pointer(x, y, mask) != 0) {
            doit = true;
      } else if (use_time_canvas && time_canvas_event_box.get_window()->get_pointer(x, y, mask)!= 0) {
            doit = true;
      }

      /* any use of "keyboard mouse buttons" invalidates an existing grab
      */
      
      if (drag_info.item) {
            drag_info.item->ungrab (GDK_CURRENT_TIME);
            drag_info.item = 0;
      }

      if (doit) {

            if (entered_regionview && can_select) {
                  selection->set (entered_regionview);
            }

            track_canvas.window_to_world (x, y, worldx, worldy);
            worldx += horizontal_adjustment.get_value();
            worldy += vertical_adjustment.get_value();

            ev.type = GDK_BUTTON_PRESS;
            ev.button.x = worldx;
            ev.button.y = worldy;
            ev.button.state = 0;  /* XXX correct? */

            theslot (&ev);
      }
}

void
Editor::kbd_mute_unmute_region ()
{
      if (entered_regionview) {
            begin_reversible_command (_("mute region"));
            XMLNode &before = entered_regionview->region()->playlist()->get_state();
            
            entered_regionview->region()->set_muted (!entered_regionview->region()->muted());
            
            XMLNode &after = entered_regionview->region()->playlist()->get_state();
            session->add_command (new MementoCommand<ARDOUR::Playlist>(*(entered_regionview->region()->playlist()), &before, &after));
            commit_reversible_command();
      }
}

void
Editor::kbd_do_brush (GdkEvent *ev)
{
      brush (event_frame (ev, 0, 0));
}

void
Editor::kbd_brush ()
{
      kbd_driver (mem_fun(*this, &Editor::kbd_do_brush), true, true, false);
}


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