ardour/gtk2_ardour/editor_hscroller.cc

58 lines
1.4 KiB
C++

/*
Copyright (C) 2002 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 "editor.h"
#include <ardour/session.h>
using namespace std;
using namespace ARDOUR;
using namespace PBD;
void
Editor::hscrollbar_allocate (Gtk::Allocation &alloc)
{
}
bool
Editor::hscrollbar_button_press (GdkEventButton *ev)
{
_dragging_hscrollbar = true;
return false;
}
bool
Editor::hscrollbar_button_release (GdkEventButton *ev)
{
_dragging_hscrollbar = false;
if (session) {
}
return false;
}
void
Editor::reset_hscrollbar_stepping ()
{
horizontal_adjustment.set_step_increment ((current_page_frames() / 5)/frames_per_unit); /* 5 clicks to scroll the entire page */
horizontal_adjustment.set_page_increment (current_page_frames()/frames_per_unit);
}