MultiMedia/radium/common/undo_reltempomax.c

   1 /* Copyright 2000 Kjetil S. Matheussen
   2
   3 This program is free software; you can redistribute it and/or
   4 modify it under the terms of the GNU General Public License
   5 as published by the Free Software Foundation; either version 2
   6 of the License, or (at your option) any later version.
   7
   8 This program is distributed in the hope that it will be useful,
   9 but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 GNU General Public License for more details.
  12
  13 You should have received a copy of the GNU General Public License
  14 along with this program; if not, write to the Free Software
  15 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */
  16
  17
  18
  19
  20
  21
  22
  23 #include "nsmtracker.h"
  24 #include "undo.h"
  25 #include "temponodes_proc.h"
  26
  27 #include "undo_reltempomax_proc.h"
  28
  29
  30 struct Undo_RelTempoMax{
  31         float reltempomax;
  32 };
  33
  34 void *Undo_Do_RelTempoMax(
  35         struct Tracker_Windows *window,
  36         struct WBlocks *wblock,
  37         struct WTracks *wtrack,
  38         int realline,
  39         void *pointer
  40 );
  41
  42 void Undo_RelTempoMax(
  43         struct Tracker_Windows *window,
  44         struct WBlocks *wblock
  45 ){
  46         struct Undo_RelTempoMax *u_rt=talloc_atomic(sizeof(struct Undo_RelTempoMax));
  47         u_rt->reltempomax=wblock->reltempomax;
  48
  49         Undo_New(
  50                 window->l.num,
  51                 wblock->l.num,
  52                 wblock->wtrack->l.num,
  53                 wblock->curr_realline,
  54                 u_rt,
  55                 Undo_Do_RelTempoMax
  56         );
  57
  58 }
  59
  60 void *Undo_Do_RelTempoMax(
  61         struct Tracker_Windows *window,
  62         struct WBlocks *wblock,
  63         struct WTracks *wtrack,
  64         int realline,
  65         void *pointer
  66 ){
  67         struct Undo_RelTempoMax *u_rt=(struct Undo_RelTempoMax *)pointer;
  68         float reltempomax=wblock->reltempomax;
  69
  70         wblock->reltempomax=u_rt->reltempomax;
  71         UpdateWTempoNodes(window,wblock);
  72
  73         u_rt->reltempomax=reltempomax;
  74
  75         return u_rt;
  76 }
  77
  78