gtk2_ardour/editor_hscroller.cc

   1 /*
   2     Copyright (C) 2002 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include "editor.h"
  21
  22 #include <ardour/session.h>
  23
  24 using namespace std;
  25 using namespace ARDOUR;
  26 using namespace PBD;
  27
  28 void
  29 Editor::hscrollbar_allocate (Gtk::Allocation &alloc)
  30 {
  31 }
  32
  33 bool
  34 Editor::hscrollbar_button_press (GdkEventButton *ev)
  35 {
  36         _dragging_hscrollbar = true;
  37         return false;
  38 }
  39
  40 bool
  41 Editor::hscrollbar_button_release (GdkEventButton *ev)
  42 {
  43         _dragging_hscrollbar = false;
  44
  45         if (session) {
  46
  47         }
  48
  49         return false;
  50 }
  51
  52 void
  53 Editor::reset_hscrollbar_stepping ()
  54 {
  55         horizontal_adjustment.set_step_increment ((current_page_frames() / 5)/frames_per_unit); /* 5 clicks to scroll the entire page */
  56         horizontal_adjustment.set_page_increment (current_page_frames()/frames_per_unit);
  57 }