| 1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
| 2 | * Mupen64plus-core - api/callbacks.c * |
| 3 | * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ * |
| 4 | * Copyright (C) 2009 Richard Goedeken * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the * |
| 18 | * Free Software Foundation, Inc., * |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
| 20 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 21 | |
| 22 | /* This file contains the Core functions for handling callbacks to the |
| 23 | * front-end application |
| 24 | */ |
| 25 | |
| 26 | #include <stdlib.h> |
| 27 | #include <stdio.h> |
| 28 | #include <stdarg.h> |
| 29 | |
| 30 | #include "m64p_types.h" |
| 31 | #include "callbacks.h" |
| 32 | |
| 33 | /* local variables */ |
| 34 | static ptr_DebugCallback pDebugFunc = NULL; |
| 35 | static ptr_StateCallback pStateFunc = NULL; |
| 36 | static void * DebugContext = NULL; |
| 37 | static void * StateContext = NULL; |
| 38 | |
| 39 | /* global Functions for use by the Core */ |
| 40 | m64p_error SetDebugCallback(ptr_DebugCallback pFunc, void *Context) |
| 41 | { |
| 42 | pDebugFunc = pFunc; |
| 43 | DebugContext = Context; |
| 44 | return M64ERR_SUCCESS; |
| 45 | } |
| 46 | |
| 47 | m64p_error SetStateCallback(ptr_StateCallback pFunc, void *Context) |
| 48 | { |
| 49 | pStateFunc = pFunc; |
| 50 | StateContext = Context; |
| 51 | return M64ERR_SUCCESS; |
| 52 | } |
| 53 | |
| 54 | void DebugMessage(int level, const char *message, ...) |
| 55 | { |
| 56 | char msgbuf[256]; |
| 57 | va_list args; |
| 58 | |
| 59 | if (pDebugFunc == NULL) |
| 60 | return; |
| 61 | |
| 62 | va_start(args, message); |
| 63 | vsprintf(msgbuf, message, args); |
| 64 | |
| 65 | (*pDebugFunc)(DebugContext, level, msgbuf); |
| 66 | |
| 67 | va_end(args); |
| 68 | } |
| 69 | |
| 70 | void StateChanged(m64p_core_param param_type, int new_value) |
| 71 | { |
| 72 | if (pStateFunc == NULL) |
| 73 | return; |
| 74 | |
| 75 | (*pStateFunc)(StateContext, param_type, new_value); |
| 76 | } |
| 77 | |
| 78 | |