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https://code.videolan.org/videolan/vlc
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* modules/gui/wxwindows/preferences_widgets.*: implemented partial support for change_action_add(). * modules/access/dshow/dshow.cpp: use change_action_add() to refresh the list of devices and to add an option to configure a device.
246 lines
14 KiB
C
246 lines
14 KiB
C
/*****************************************************************************
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* configuration.h : configuration management module
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* This file describes the programming interface for the configuration module.
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* It includes functions allowing to declare, get or set configuration options.
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*****************************************************************************
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* Copyright (C) 1999, 2000 VideoLAN
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* $Id: configuration.h,v 1.35 2004/01/29 17:04:01 gbazin Exp $
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*
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* Authors: Gildas Bazin <gbazin@netcourrier.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Macros used to build the configuration structure.
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*****************************************************************************/
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/* Configuration hint types */
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#define CONFIG_HINT_END 0x0001 /* End of config */
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#define CONFIG_HINT_CATEGORY 0x0002 /* Start of new category */
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#define CONFIG_HINT_SUBCATEGORY 0x0003 /* Start of sub-category */
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#define CONFIG_HINT_SUBCATEGORY_END 0x0004 /* End of sub-category */
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#define CONFIG_HINT_USAGE 0x0005 /* Usage information */
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#define CONFIG_HINT 0x000F
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/* Configuration item types */
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#define CONFIG_ITEM_STRING 0x0010 /* String option */
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#define CONFIG_ITEM_FILE 0x0020 /* File option */
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#define CONFIG_ITEM_MODULE 0x0030 /* Module option */
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#define CONFIG_ITEM_INTEGER 0x0040 /* Integer option */
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#define CONFIG_ITEM_BOOL 0x0050 /* Bool option */
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#define CONFIG_ITEM_FLOAT 0x0060 /* Float option */
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#define CONFIG_ITEM_DIRECTORY 0x0070 /* Directory option */
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#define CONFIG_ITEM_KEY 0x0080 /* Hot key option */
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#define CONFIG_ITEM 0x00F0
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struct module_config_t
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{
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int i_type; /* Configuration type */
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char *psz_type; /* Configuration subtype */
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char *psz_name; /* Option name */
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char i_short; /* Optional short option name */
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char *psz_text; /* Short comment on the configuration option */
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char *psz_longtext; /* Long comment on the configuration option */
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char *psz_value; /* Option value */
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int i_value; /* Option value */
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float f_value; /* Option value */
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int i_min; /* Option minimum value */
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int i_max; /* Option maximum value */
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float f_min; /* Option minimum value */
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float f_max; /* Option maximum value */
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/* Function to call when commiting a change */
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vlc_callback_t pf_callback;
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void *p_callback_data;
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/* Values list */
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char **ppsz_list; /* List of possible values for the option */
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int *pi_list; /* Idem for integers */
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char **ppsz_list_text; /* Friendly names for list values */
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int i_list; /* Options list size */
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/* Actions list */
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vlc_callback_t *ppf_action; /* List of possible actions for a config */
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char **ppsz_action_text; /* Friendly names for actions */
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int i_action; /* actions list size */
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/* Misc */
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vlc_mutex_t *p_lock; /* Lock to use when modifying the config */
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vlc_bool_t b_dirty; /* Dirty flag to indicate a config change */
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vlc_bool_t b_advanced; /* Flag to indicate an advanced option */
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/* Original option values */
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char *psz_value_orig;
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int i_value_orig;
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float f_value_orig;
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};
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/*****************************************************************************
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* Prototypes - these methods are used to get, set or manipulate configuration
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* data.
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*****************************************************************************/
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VLC_EXPORT( int, __config_GetType, (vlc_object_t *, const char *) );
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VLC_EXPORT( int, __config_GetInt, (vlc_object_t *, const char *) );
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VLC_EXPORT( void, __config_PutInt, (vlc_object_t *, const char *, int) );
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VLC_EXPORT( float, __config_GetFloat, (vlc_object_t *, const char *) );
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VLC_EXPORT( void, __config_PutFloat, (vlc_object_t *, const char *, float) );
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VLC_EXPORT( char *, __config_GetPsz, (vlc_object_t *, const char *) );
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VLC_EXPORT( void, __config_PutPsz, (vlc_object_t *, const char *, const char *) );
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VLC_EXPORT( int, __config_LoadCmdLine, ( vlc_object_t *, int *, char *[], vlc_bool_t ) );
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VLC_EXPORT( char *, config_GetHomeDir, ( void ) );
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VLC_EXPORT( int, __config_LoadConfigFile, ( vlc_object_t *, const char * ) );
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VLC_EXPORT( int, __config_SaveConfigFile, ( vlc_object_t *, const char * ) );
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VLC_EXPORT( void, __config_ResetAll, ( vlc_object_t * ) );
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VLC_EXPORT( module_config_t *, config_FindConfig,( vlc_object_t *, const char * ) );
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VLC_EXPORT( module_t *, config_FindModule,( vlc_object_t *, const char * ) );
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VLC_EXPORT( void, config_Duplicate, ( module_t *, module_config_t * ) );
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void config_Free ( module_t * );
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VLC_EXPORT( void, config_SetCallbacks, ( module_config_t *, module_config_t * ) );
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VLC_EXPORT( void, config_UnsetCallbacks, ( module_config_t * ) );
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#define config_GetType(a,b) __config_GetType(VLC_OBJECT(a),b)
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#define config_GetInt(a,b) __config_GetInt(VLC_OBJECT(a),b)
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#define config_PutInt(a,b,c) __config_PutInt(VLC_OBJECT(a),b,c)
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#define config_GetFloat(a,b) __config_GetFloat(VLC_OBJECT(a),b)
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#define config_PutFloat(a,b,c) __config_PutFloat(VLC_OBJECT(a),b,c)
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#define config_GetPsz(a,b) __config_GetPsz(VLC_OBJECT(a),b)
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#define config_PutPsz(a,b,c) __config_PutPsz(VLC_OBJECT(a),b,c)
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#define config_LoadCmdLine(a,b,c,d) __config_LoadCmdLine(VLC_OBJECT(a),b,c,d)
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#define config_LoadConfigFile(a,b) __config_LoadConfigFile(VLC_OBJECT(a),b)
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#define config_SaveConfigFile(a,b) __config_SaveConfigFile(VLC_OBJECT(a),b)
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#define config_ResetAll(a) __config_ResetAll(VLC_OBJECT(a))
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/*****************************************************************************
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* Macros used to build the configuration structure.
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*
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* Note that internally we support only 3 types of config data: int , float
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* and string.
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* The other types declared here just map to one of these 3 basic types but
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* have the advantage of also providing very good hints to a configuration
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* interface so as to make it more user friendly.
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* The configuration structure also includes category hints. These hints can
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* provide a configuration interface with some very useful data and again
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* allow for a more user friendly interface.
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*****************************************************************************/
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#define add_category_hint( text, longtext, advc ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_HINT_CATEGORY, NULL, NULL, '\0', text, longtext }; p_config[ i_config ] = tmp; p_config[i_config].b_advanced = advc; }
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#define add_subcategory_hint( text, longtext ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_HINT_SUBCATEGORY, NULL, NULL, '\0', text, longtext }; p_config[ i_config ] = tmp; }
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#define end_subcategory_hint \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_HINT_SUBCATEGORY_END, NULL, NULL, '\0' }; p_config[ i_config ] = tmp; }
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#define add_usage_hint( text ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_HINT_USAGE, NULL, NULL, '\0', text }; p_config[ i_config ] = tmp; }
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#define add_string( name, psz_value, p_callback, text, longtext, advc ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_ITEM_STRING, NULL, name, '\0', text, longtext, psz_value }; tmp.b_advanced = advc; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; }
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#define add_file( name, psz_value, p_callback, text, longtext, advc ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_ITEM_FILE, NULL, name, '\0', text, longtext, psz_value, 0, 0 }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
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#define add_directory( name, psz_value, p_callback, text, longtext, advc ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_ITEM_DIRECTORY, NULL, name, '\0', text, longtext, psz_value, 0, 0 }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
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#define add_module( name, psz_caps, psz_value, p_callback, text, longtext, advc ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_ITEM_MODULE, psz_caps, name, '\0', text, longtext, psz_value }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
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#define add_integer( name, i_value, p_callback, text, longtext, advc ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_ITEM_INTEGER, NULL, name, '\0', text, longtext, NULL, i_value }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
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#define add_key( name, i_value, p_callback, text, longtext, advc ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_ITEM_KEY, NULL, name, '\0', text, longtext, NULL, i_value }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
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#define add_integer_with_range( name, i_value, i_min, i_max, p_callback, text, longtext, advc ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_ITEM_INTEGER, NULL, name, '\0', text, longtext, NULL, i_value, 0, i_min, i_max }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
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#define add_float( name, f_value, p_callback, text, longtext, advc ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_ITEM_FLOAT, NULL, name, '\0', text, longtext, NULL, 0, f_value }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
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#define add_float_with_range( name, f_value, f_min, f_max, p_callback, text, longtext, advc ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_ITEM_FLOAT, NULL, name, '\0', text, longtext, NULL, 0, f_value, 0, 0, f_min, f_max }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
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#define add_bool( name, b_value, p_callback, text, longtext, advc ) \
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i_config++; \
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if(!(i_config%10)) p_config = (module_config_t* )realloc(p_config, \
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(i_config+11) * sizeof(module_config_t)); \
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{ static module_config_t tmp = { CONFIG_ITEM_BOOL, NULL, name, '\0', text, longtext, NULL, b_value }; p_config[ i_config ] = tmp; p_config[ i_config ].pf_callback = p_callback; p_config[i_config].b_advanced = advc; }
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/* Modifier macros for the config options (used for fine tuning) */
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#define change_short( ch ) \
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p_config[i_config].i_short = ch;
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#define change_string_list( list, list_text, list_update_func ) \
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p_config[i_config].i_list = sizeof(list)/sizeof(char *); \
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p_config[i_config].ppsz_list = list; \
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p_config[i_config].ppsz_list_text = list_text;
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#define change_integer_list( list, list_text, list_update_func ) \
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p_config[i_config].i_list = sizeof(list)/sizeof(int); \
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p_config[i_config].pi_list = list; \
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p_config[i_config].ppsz_list_text = list_text;
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#define change_action_add( pf_action, action_text ) \
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if( !p_config[i_config].i_action ) \
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{ p_config[i_config].ppsz_action_text = 0; \
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p_config[i_config].ppf_action = 0; } \
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p_config[i_config].ppf_action = (vlc_callback_t *) \
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realloc( p_config[i_config].ppf_action, \
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(p_config[i_config].i_action + 1) * sizeof(void *) ); \
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p_config[i_config].ppsz_action_text = (char **)\
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realloc( p_config[i_config].ppsz_action_text, \
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(p_config[i_config].i_action + 1) * sizeof(void *) ); \
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p_config[i_config].ppf_action[p_config[i_config].i_action] = pf_action; \
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p_config[i_config].ppsz_action_text[p_config[i_config].i_action] = \
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action_text; \
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p_config[i_config].i_action++;
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