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vlc_interface.h
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/*****************************************************************************
* vlc_interface.h: interface access for other threads
* This library provides basic functions for threads to interact with user
* interface, such as message output.
*****************************************************************************
* Copyright (C) 1999, 2000 the VideoLAN team
* $Id$
*
* Authors: Vincent Seguin <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#if !defined( __LIBVLC__ )
#error You are not libvlc or one of its plugins. You cannot include this file
#endif
#ifndef _VLC_INTF_H_
#define _VLC_INTF_H_
# ifdef __cplusplus
extern "C" {
# endif
typedef struct intf_dialog_args_t intf_dialog_args_t;
/**
* \file
* This file contains structures and function prototypes for
* interface management in vlc
*/
/**
* \defgroup vlc_interface Interface
* These functions and structures are for interface management
* @{
*/
/** Describe all interface-specific data of the interface thread */
struct intf_thread_t
{
VLC_COMMON_MEMBERS
/* Thread properties and locks */
vlc_bool_t b_play;
vlc_bool_t b_should_run_on_first_thread;
/* Specific interfaces */
intf_console_t * p_console; /** console */
intf_sys_t * p_sys; /** system interface */
char * psz_intf; /** intf name specified */
/** Interface module */
module_t * p_module;
void ( *pf_run ) ( intf_thread_t * ); /** Run function */
/** Specific for dialogs providers */
void ( *pf_show_dialog ) ( intf_thread_t *, int, int,
intf_dialog_args_t * );
/** Interaction stuff */
vlc_bool_t b_interaction;
/** Video window callbacks */
void * ( *pf_request_window ) ( intf_thread_t *, vout_thread_t *,
int *, int *,
unsigned int *, unsigned int * );
void ( *pf_release_window ) ( intf_thread_t *, void * );
int ( *pf_control_window ) ( intf_thread_t *, void *, int, va_list );
/* XXX: new message passing stuff will go here */
vlc_mutex_t change_lock;
vlc_bool_t b_menu_change;
vlc_bool_t b_menu;
/* Provides the ability to switch an interface on the fly */
char *psz_switch_intf;
};
/** \brief Arguments passed to a dialogs provider
* This describes the arguments passed to the dialogs provider. They are
* mainly used with INTF_DIALOG_FILE_GENERIC.
*/
struct intf_dialog_args_t
{
intf_thread_t *p_intf;
char *psz_title;
char **psz_results;
int i_results;
void (*pf_callback) ( intf_dialog_args_t * );
void *p_arg;
/* Specifically for INTF_DIALOG_FILE_GENERIC */
char *psz_extensions;
vlc_bool_t b_save;
vlc_bool_t b_multiple;
/* Specific to INTF_DIALOG_INTERACTION */
interaction_dialog_t *p_dialog;
};
/*****************************************************************************
* Prototypes
*****************************************************************************/
#define intf_Create(a,b,c,d) __intf_Create(VLC_OBJECT(a),b,c,d)
VLC_EXPORT( intf_thread_t *, __intf_Create, ( vlc_object_t *, const char *, int, const char *const * ) );
VLC_EXPORT( int, intf_RunThread, ( intf_thread_t * ) );
VLC_EXPORT( void, intf_StopThread, ( intf_thread_t * ) );
VLC_EXPORT( void, intf_Destroy, ( intf_thread_t * ) );
/* If the interface is in the main thread, it should listen both to
* p_intf->b_die and p_libvlc->b_die */
#define intf_ShouldDie( p_intf ) (p_intf->b_die || p_intf->p_libvlc->b_die )
#define intf_Eject(a,b) __intf_Eject(VLC_OBJECT(a),b)
VLC_EXPORT( int, __intf_Eject, ( vlc_object_t *, const char * ) );
/*@}*/
/*****************************************************************************
* Macros
*****************************************************************************/
#if defined( WIN32 ) && !defined( UNDER_CE )
# define CONSOLE_INTRO_MSG \
if( !getenv( "PWD" ) || !getenv( "PS1" ) ) /* detect cygwin shell */ \
{ \
AllocConsole(); \
freopen( "CONOUT$", "w", stdout ); \
freopen( "CONOUT$", "w", stderr ); \
freopen( "CONIN$", "r", stdin ); \
} \
msg_Info( p_intf, COPYRIGHT_MESSAGE ); \
msg_Info( p_intf, _("\nWarning: if you can't access the GUI " \
"anymore, open a command-line window, go to the " \
"directory where you installed VLC and run " \
"\"vlc -I wx\"\n") )
#else
# define CONSOLE_INTRO_MSG
#endif
/* Interface dialog ids for dialog providers */
#define INTF_DIALOG_FILE_SIMPLE 1
#define INTF_DIALOG_FILE 2
#define INTF_DIALOG_DISC 3
#define INTF_DIALOG_NET 4
#define INTF_DIALOG_CAPTURE 5
#define INTF_DIALOG_SAT 6
#define INTF_DIALOG_DIRECTORY 7
#define INTF_DIALOG_STREAMWIZARD 8
#define INTF_DIALOG_WIZARD 9
#define INTF_DIALOG_PLAYLIST 10
#define INTF_DIALOG_MESSAGES 11
#define INTF_DIALOG_FILEINFO 12
#define INTF_DIALOG_PREFS 13
#define INTF_DIALOG_BOOKMARKS 14
#define INTF_DIALOG_EXTENDED 15
#define INTF_DIALOG_POPUPMENU 20
#define INTF_DIALOG_AUDIOPOPUPMENU 21
#define INTF_DIALOG_VIDEOPOPUPMENU 22
#define INTF_DIALOG_MISCPOPUPMENU 23
#define INTF_DIALOG_FILE_GENERIC 30
#define INTF_DIALOG_INTERACTION 50
#define INTF_DIALOG_UPDATEVLC 90
#define INTF_DIALOG_VLM 91
#define INTF_DIALOG_EXIT 99
/* Useful text messages shared by interfaces */
#define INTF_ABOUT_MSG LICENSE_MSG
#define EXTENSIONS_AUDIO "*.a52;*.aac;*.ac3;*.dts;*.flac;*.m4a;*.m4p;*.mka;" \
"*.mod;*.mp1;*.mp2;*.mp3;*.ogg;*.spx;*.wav;*.wma;*.xm"
#define EXTENSIONS_VIDEO "*.asf;*.avi;*.divx;*.dv;*.flv;*.gxf;*.m1v;*.m2v;" \
"*.m4v;*.mkv;*.mov;*.mp2;*.mp4;*.mpeg;*.mpeg1;" \
"*.mpeg2;*.mpeg4;*.mpg;*.mxf;*.ogg;*.ogm;" \
"*.ps;*.ts;*.vob;*.wmv"
#define EXTENSIONS_PLAYLIST "*.asx;*.b4s;*.m3u;*.pls;*.vlc;*.xspf"
#define EXTENSIONS_MEDIA EXTENSIONS_VIDEO ";" EXTENSIONS_AUDIO ";" \
EXTENSIONS_PLAYLIST
#define EXTENSIONS_SUBTITLE "*.cdg;*.idx;*.srt;*.sub;*.utf"
/** \defgroup vlc_interaction Interaction
* \ingroup vlc_interface
* Interaction between user and modules
* @{
*/
/**
* This structure describes a piece of interaction with the user
*/
struct interaction_dialog_t
{
int i_id; ///< Unique ID
int i_type; ///< Type identifier
char *psz_title; ///< Title
char *psz_description; ///< Descriptor string
char *psz_default_button; ///< default button title (~OK)
char *psz_alternate_button;///< alternate button title (~NO)
/// other button title (optional,~Cancel)
char *psz_other_button;
char *psz_returned[1]; ///< returned responses from the user
vlc_value_t val; ///< value coming from core for dialogue
int i_timeToGo; ///< time (in sec) until shown progress is finished
vlc_bool_t b_cancelled; ///< was the dialogue cancelled ?
void * p_private; ///< Private interface data
int i_status; ///< Dialog status;
int i_action; ///< Action to perform;
int i_flags; ///< Misc flags
int i_return; ///< Return status
interaction_t *p_interaction; ///< Parent interaction object
vlc_object_t *p_parent; ///< The vlc object that asked
//for interaction
};
/**
* Possible flags . Dialog types
*/
#define DIALOG_GOT_ANSWER 0x01
#define DIALOG_YES_NO_CANCEL 0x02
#define DIALOG_LOGIN_PW_OK_CANCEL 0x04
#define DIALOG_PSZ_INPUT_OK_CANCEL 0x08
#define DIALOG_BLOCKING_ERROR 0x10
#define DIALOG_NONBLOCKING_ERROR 0x20
#define DIALOG_WARNING 0x40
#define DIALOG_USER_PROGRESS 0x80
#define DIALOG_INTF_PROGRESS 0x100
/** Possible return codes */
enum
{
DIALOG_DEFAULT,
DIALOG_OK_YES,
DIALOG_NO,
DIALOG_CANCELLED
};
/** Possible status */
enum
{
NEW_DIALOG, ///< Just created
SENT_DIALOG, ///< Sent to interface
UPDATED_DIALOG, ///< Update to send
ANSWERED_DIALOG, ///< Got "answer"
HIDING_DIALOG, ///< Hiding requested
HIDDEN_DIALOG, ///< Now hidden. Requesting destruction
DESTROYED_DIALOG, ///< Interface has destroyed it
};
/** Possible interaction types */
enum
{
INTERACT_DIALOG_ONEWAY, ///< Dialog box without feedback
INTERACT_DIALOG_TWOWAY, ///< Dialog box with feedback
};
/** Possible actions */
enum
{
INTERACT_NEW,
INTERACT_UPDATE,
INTERACT_HIDE,
INTERACT_DESTROY
};
/**
* This structure contains the active interaction dialogs, and is
* used by the manager
*/
struct interaction_t
{
VLC_COMMON_MEMBERS
int i_dialogs; ///< Number of dialogs
interaction_dialog_t **pp_dialogs; ///< Dialogs
intf_thread_t *p_intf; ///< Interface to use
int i_last_id; ///< Last attributed ID
};
/***************************************************************************
* Exported symbols
***************************************************************************/
#define intf_UserFatal( a, b, c, d, e... ) __intf_UserFatal( VLC_OBJECT(a),b,c,d, ## e )
VLC_EXPORT( int, __intf_UserFatal,( vlc_object_t*, vlc_bool_t, const char*, const char*, ...) ATTRIBUTE_FORMAT( 4, 5 ) );
#define intf_UserWarn( a, c, d, e... ) __intf_UserWarn( VLC_OBJECT(a),c,d, ## e )
VLC_EXPORT( int, __intf_UserWarn,( vlc_object_t*, const char*, const char*, ...) ATTRIBUTE_FORMAT( 3, 4 ) );
#define intf_UserLoginPassword( a, b, c, d, e... ) __intf_UserLoginPassword( VLC_OBJECT(a),b,c,d,e)
VLC_EXPORT( int, __intf_UserLoginPassword,( vlc_object_t*, const char*, const char*, char **, char **) );
#define intf_UserYesNo( a, b, c, d, e, f ) __intf_UserYesNo( VLC_OBJECT(a),b,c, d, e, f )
VLC_EXPORT( int, __intf_UserYesNo,( vlc_object_t*, const char*, const char*, const char*, const char*, const char*) );
#define intf_UserStringInput( a, b, c, d ) __intf_UserStringInput( VLC_OBJECT(a),b,c,d )
VLC_EXPORT( int, __intf_UserStringInput,(vlc_object_t*, const char*, const char*, char **) );
#define intf_IntfProgress( a, b, c ) __intf_Progress( VLC_OBJECT(a), NULL, b,c, -1 )
#define intf_UserProgress( a, b, c, d, e ) __intf_Progress( VLC_OBJECT(a),b,c,d,e )
VLC_EXPORT( int, __intf_Progress,( vlc_object_t*, const char*, const char*, float, int) );
#define intf_ProgressUpdate( a, b, c, d, e ) __intf_ProgressUpdate( VLC_OBJECT(a),b,c,d,e )
VLC_EXPORT( void, __intf_ProgressUpdate,( vlc_object_t*, int, const char*, float, int) );
#define intf_ProgressIsCancelled( a, b ) __intf_UserProgressIsCancelled( VLC_OBJECT(a),b )
VLC_EXPORT( vlc_bool_t, __intf_UserProgressIsCancelled,( vlc_object_t*, int ) );
#define intf_UserHide( a, b ) __intf_UserHide( VLC_OBJECT(a), b )
VLC_EXPORT( void, __intf_UserHide,( vlc_object_t *, int ));
/** @} */
/** @} */
# ifdef __cplusplus
}
# endif
#endif