lv2_programs.h

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/*
  LV2 Programs Extension
  Copyright 2012 Filipe Coelho <falktx@falktx.com>
 
  Permission to use, copy, modify, and/or distribute this software for any
  purpose with or without fee is hereby granted, provided that the above
  copyright notice and this permission notice appear in all copies.
 
  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/

 
#ifndef LV2_PROGRAMS_H
#define LV2_PROGRAMS_H
 
#include "lv2.h"
#include "ui.h"
 
#define LV2_PROGRAMS_URI    "http://kxstudio.sf.net/ns/lv2ext/programs"
#define LV2_PROGRAMS_PREFIX LV2_PROGRAMS_URI "#"
 
#define LV2_PROGRAMS__Host        LV2_PROGRAMS_PREFIX "Host"
#define LV2_PROGRAMS__Interface   LV2_PROGRAMS_PREFIX "Interface"
#define LV2_PROGRAMS__UIInterface LV2_PROGRAMS_PREFIX "UIInterface"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef void* LV2_Programs_Handle;
 
typedef struct _LV2_Program_Descriptor {

    uint32_t bank;

    uint32_t program;

    const char * name;
 
} LV2_Program_Descriptor;

typedef struct _LV2_Programs_Interface {
    const LV2_Program_Descriptor *(*get_program)(LV2_Handle handle,
                                                 uint32_t index);

    void (*select_program)(LV2_Handle handle,
                           uint32_t bank,
                           uint32_t program);
 
} LV2_Programs_Interface;

typedef struct _LV2_Programs_UI_Interface {
    void (*select_program)(LV2UI_Handle handle,
                           uint32_t bank,
                           uint32_t program);
 
} LV2_Programs_UI_Interface;

typedef struct _LV2_Programs_Host {
    LV2_Programs_Handle handle;

    void (*program_changed)(LV2_Programs_Handle handle,
                            int32_t index);
 
} LV2_Programs_Host;
 
#ifdef __cplusplus
} /* extern "C" */
#endif
 
#endif /* LV2_PROGRAMS_H */