src/calf/gui_config.h

   1 #ifndef CALF_GUI_CONFIG_H
   2 #define CALF_GUI_CONFIG_H
   3
   4 #include <glib.h>
   5 #include <string>
   6 #include <vector>
   7
   8 namespace calf_utils {
   9
  10 struct config_exception: public std::exception
  11 {
  12     std::string content;
  13     const char *content_ptr;
  14     config_exception(const std::string &text) : content(text) { content_ptr = content.c_str(); }
  15     virtual const char *what() const throw() { return content_ptr; }
  16     virtual ~config_exception() throw() { }
  17 };
  18
  19 struct config_listener_iface
  20 {
  21     virtual void on_config_change() = 0;
  22     virtual ~config_listener_iface() {}
  23 };
  24
  25 struct config_notifier_iface
  26 {
  27     virtual ~config_notifier_iface() {}
  28 };
  29
  30 struct config_db_iface
  31 {
  32     virtual bool has_dir(const char *key) = 0;
  33     virtual bool get_bool(const char *key, bool def_value) = 0;
  34     virtual int get_int(const char *key, int def_value) = 0;
  35     virtual std::string get_string(const char *key, const std::string &def_value) = 0;
  36     virtual void set_bool(const char *key, bool value) = 0;
  37     virtual void set_int(const char *key, int value) = 0;
  38     virtual void set_string(const char *key, const std::string &value) = 0;
  39     virtual void save() = 0;
  40     virtual config_notifier_iface *add_listener(config_listener_iface *listener) = 0;
  41     virtual ~config_db_iface() {}
  42 };
  43
  44 class gkeyfile_config_db: public config_db_iface
  45 {
  46 protected:
  47     class notifier: public config_notifier_iface
  48     {
  49     protected:
  50         gkeyfile_config_db *parent;
  51         config_listener_iface *listener;
  52         notifier(gkeyfile_config_db *_parent, config_listener_iface *_listener);
  53         virtual ~notifier();
  54         friend class gkeyfile_config_db;
  55     };
  56 protected:
  57     GKeyFile *keyfile;
  58     std::string filename;
  59     std::string section;
  60     std::vector<notifier *> notifiers;
  61
  62     void handle_error(GError *error);
  63     void remove_notifier(notifier *n);
  64     friend class notifier;
  65 public:
  66     gkeyfile_config_db(GKeyFile *kf, const char *filename, const char *section);
  67     virtual bool has_dir(const char *key);
  68     virtual bool get_bool(const char *key, bool def_value);
  69     virtual int get_int(const char *key, int def_value);
  70     virtual std::string get_string(const char *key, const std::string &def_value);
  71     virtual void set_bool(const char *key, bool value);
  72     virtual void set_int(const char *key, int value);
  73     virtual void set_string(const char *key, const std::string &value);
  74     virtual void save();
  75     virtual config_notifier_iface *add_listener(config_listener_iface *listener);
  76     virtual ~gkeyfile_config_db();
  77 };
  78
  79 struct gui_config
  80 {
  81     int rack_float, float_size;
  82     bool rack_ears;
  83     bool vu_meters;
  84
  85     gui_config();
  86     ~gui_config();
  87     void load(config_db_iface *db);
  88     void save(config_db_iface *db);
  89 };
  90
  91 };
  92
  93 #endif