gui/StateManager.hpp

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
   6  *
   7  **************************************************************************
   8  * This file contains interface of the StateManager class
   9  **************************************************************************
  10  *
  11  * LADI Session Handler is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * LADI Session Handler is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  23  * or write to the Free Software Foundation, Inc.,
  24  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  25  */
  26
  27 #ifndef PATCHAGE_STATEMANAGER_HPP
  28 #define PATCHAGE_STATEMANAGER_HPP
  29
  30 #include "common.h"
  31 #include "PatchagePort.hpp"
  32 #include <map>
  33
  34 struct Coord {
  35   Coord(double x_=0, double y_=0) : x(x_), y(y_) {}
  36   double x;
  37   double y;
  38 };
  39
  40 class StateManager
  41 {
  42 public:
  43   StateManager();
  44
  45   void load(const std::string& filename);
  46   void save(const std::string& filename);
  47
  48   bool get_module_location(const std::string& name, ModuleType type, Coord& loc);
  49   void  set_module_location(const std::string& name, ModuleType type, Coord loc);
  50
  51   void set_module_split(const std::string& name, bool split);
  52   bool get_module_split(const std::string& name, bool default_val) const;
  53
  54   float get_zoom();
  55   void  set_zoom(float zoom);
  56
  57   int get_port_color(PortType type);
  58
  59   Coord get_window_location()          { return _window_location; }
  60   void  set_window_location(Coord loc) { _window_location = loc; }
  61   Coord get_window_size()              { return _window_size; }
  62   void  set_window_size(Coord size)    { _window_size = size; }
  63
  64 private:
  65   struct ModuleSettings {
  66     ModuleSettings() : split(false) {}
  67     bool split;
  68     boost::optional<Coord> input_location;
  69     boost::optional<Coord> output_location;
  70     boost::optional<Coord> inout_location;
  71   };
  72
  73   std::map<std::string,ModuleSettings> _module_settings;
  74   Coord _window_location;
  75   Coord _window_size;
  76   float _zoom;
  77 };
  78
  79
  80 #endif // PATCHAGE_STATEMANAGER_HPP