wxwidgets.cpp

uclinux 下的vlc播放器源代码

/*****************************************************************************
 * wxwidgets.cpp : wxWidgets plugin for vlc
 *****************************************************************************
 * Copyright (C) 2000-2005 the VideoLAN team
 * $Id: wxwidgets.cpp 18107 2006-11-27 13:44:11Z md $
 *
 * Authors: Gildas Bazin <[e-mail]>
 *
 * 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.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include <stdlib.h>                                      /* malloc(), free() */
#include <errno.h>                                                 /* ENOMEM */
#include <string.h>                                            /* strerror() */
#include <stdio.h>

#include <vlc/vlc.h>
#include <vlc/intf.h>

#ifdef HAVE_LOCALE_H
#   include <locale.h>
#endif

#include "interface.hpp"

/* Temporary hack */
#if defined(WIN32) && defined(_WX_INIT_H_)
#if (wxMAJOR_VERSION <= 2) && (wxMINOR_VERSION <= 5) && (wxRELEASE_NUMBER < 3)
/* Hack to detect wxWidgets 2.5 which has a different wxEntry() prototype */
extern int wxEntry( HINSTANCE hInstance, HINSTANCE hPrevInstance = NULL,
                    char *pCmdLine = NULL, int nCmdShow = SW_NORMAL );
#endif
#endif

/*****************************************************************************
 * Local prototypes.
 *****************************************************************************/
static int  Open         ( vlc_object_t * );
static void Close        ( vlc_object_t * );
static int  OpenDialogs  ( vlc_object_t * );

static void Run          ( intf_thread_t * );
static void Init         ( intf_thread_t * );

static void ShowDialog   ( intf_thread_t *, int, int, intf_dialog_args_t * );

#if (wxCHECK_VERSION(2,5,0))
void *wxClassInfo_sm_classTable_BUGGY = 0;
#endif

/*****************************************************************************
 * Local classes declarations.
 *****************************************************************************/
class Instance: public wxApp
{
public:
    Instance();
    Instance( intf_thread_t *_p_intf );

    bool OnInit();
    int  OnExit();

private:
    intf_thread_t *p_intf;
    wxLocale locale;                                /* locale we'll be using */
};

/*****************************************************************************
 * Module descriptor
 *****************************************************************************/
#define EMBED_TEXT N_("Embed video in interface")
#define EMBED_LONGTEXT N_("Embed the video inside the interface instead " \
    "of having it in a separate window.")
#define BOOKMARKS_TEXT N_("Bookmarks dialog")
#define BOOKMARKS_LONGTEXT N_("Show bookmarks dialog at startup" )
#define EXTENDED_TEXT N_("Extended GUI")
#define EXTENDED_LONGTEXT N_("Show extended GUI (equalizer, image adjust, "  \
              "video filters...) at startup"  )
#define TASKBAR_TEXT N_("Taskbar")
#define TASKBAR_LONGTEXT N_("Show VLC on the taskbar")
#define MINIMAL_TEXT N_("Minimal interface")
#define MINIMAL_LONGTEXT N_("Use minimal interface, with no toolbar and " \
                "fewer menus.")
#define SIZE_TO_VIDEO_TEXT N_("Size to video")
#define SIZE_TO_VIDEO_LONGTEXT N_("Resize VLC to match the video resolution.")
#define SYSTRAY_TEXT N_("Systray icon")
#define SYSTRAY_LONGTEXT N_("Show a systray icon for VLC")
#define LABEL_TEXT N_("Show labels in toolbar")
#define LABEL_LONGTEXT N_("Show labels below the icons in the toolbar.")

#define PLAYLIST_TEXT N_("Playlist view" )
#define PLAYLIST_LONGTEXT N_("There are two possible playlist views in the " \
                "interface : the normal playlist (separate window), or an " \
                "embedded playlist (within the main interface, but with " \
                "less features). You can select which one will be available " \
                "on the toolbar (or both)." )

static int pi_playlist_views[] = { 0,1,2 };
static char *psz_playlist_views[] = { N_("Normal" ), N_("Embedded" ) ,
                                      N_("Both") };

vlc_module_begin();
#ifdef WIN32
    int i_score = 150;
#else
    int i_score = getenv( "DISPLAY" ) == NULL ? 15 : 150;
#endif
    set_shortname( (char*) "wxWidgets" );
    set_description( (char *) _("wxWidgets interface module") );
    set_category( CAT_INTERFACE );
    set_subcategory( SUBCAT_INTERFACE_MAIN );
    set_capability( "interface", i_score );
    set_callbacks( Open, Close );
    add_shortcut( "wxwindows" );
    add_shortcut( "wxwin" );
    add_shortcut( "wx" );
    add_shortcut( "wxwidgets" );
    set_program( "wxvlc" );

    add_bool( "wx-embed", 1, NULL,
              EMBED_TEXT, EMBED_LONGTEXT, VLC_FALSE );
    add_deprecated( "wxwin-enbed", VLC_FALSE); /*Deprecated since 0.8.4*/
    add_bool( "wx-bookmarks", 0, NULL,
              BOOKMARKS_TEXT, BOOKMARKS_LONGTEXT, VLC_FALSE );
    add_deprecated( "wxwin-bookmarks", VLC_FALSE); /*Deprecated since 0.8.4*/
    add_bool( "wx-taskbar", 1, NULL,
              TASKBAR_TEXT, TASKBAR_LONGTEXT, VLC_FALSE );
    add_deprecated( "wxwin-taskbar", VLC_FALSE); /*Deprecated since 0.8.4*/
    add_bool( "wx-extended", 0, NULL,
              EXTENDED_TEXT, EXTENDED_LONGTEXT, VLC_FALSE );
    add_bool( "wx-minimal", 0, NULL,
              MINIMAL_TEXT, MINIMAL_LONGTEXT, VLC_TRUE );
    add_deprecated( "wxwin-minimal", VLC_FALSE); /*Deprecated since 0.8.4*/
    add_bool( "wx-autosize", 1, NULL,
              SIZE_TO_VIDEO_TEXT, SIZE_TO_VIDEO_LONGTEXT, VLC_TRUE );
    add_integer( "wx-playlist-view", 0, NULL, PLAYLIST_TEXT, PLAYLIST_LONGTEXT,
             VLC_FALSE );
        change_integer_list( pi_playlist_views, psz_playlist_views, 0 );
    add_deprecated( "wxwin-autosize", VLC_FALSE); /*Deprecated since 0.8.4*/
/* wxCocoa pretends to support this, but at least 2.6.x doesn't */
#ifndef __APPLE__
#ifdef wxHAS_TASK_BAR_ICON
    add_bool( "wx-systray", 0, NULL,
              SYSTRAY_TEXT, SYSTRAY_LONGTEXT, VLC_FALSE );
    add_deprecated( "wxwin-systray", VLC_FALSE); /*Deprecated since 0.8.4*/
#endif
#endif
    add_bool( "wx-labels", 0, NULL, LABEL_TEXT, LABEL_LONGTEXT, VLC_TRUE);
    add_string( "wx-config-last", NULL, NULL,
                N_("last config"), N_("last config"), VLC_TRUE );
        change_autosave();
    add_deprecated( "wxwin-config-last", VLC_FALSE); /*Deprecated since 0.8.4*/

    add_submodule();
    set_description( _("wxWidgets dialogs provider") );
    set_capability( "dialogs provider", 50 );
    set_callbacks( OpenDialogs, Close );

#if !defined(WIN32)
    linked_with_a_crap_library_which_uses_atexit();
#endif
vlc_module_end();

/*****************************************************************************
 * Open: initialize and create window
 *****************************************************************************/
static int Open( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;

    /* Allocate instance and initialize some members */
    p_intf->p_sys = (intf_sys_t *)malloc( sizeof( intf_sys_t ) );
    if( p_intf->p_sys == NULL )
    {
        msg_Err( p_intf, "out of memory" );
        return VLC_ENOMEM;
    }
    memset( p_intf->p_sys, 0, sizeof( intf_sys_t ) );

    p_intf->pf_run = Run;

    p_intf->p_sys->p_sub = msg_Subscribe( p_intf, MSG_QUEUE_NORMAL );

    /* Initialize wxWidgets thread */
    p_intf->p_sys->b_playing = 0;

    p_intf->p_sys->p_input = NULL;
    p_intf->p_sys->i_playing = -1;

    p_intf->p_sys->p_popup_menu = NULL;
    p_intf->p_sys->p_video_window = NULL;

    p_intf->pf_show_dialog = NULL;

    /* We support play on start */
    p_intf->b_play = VLC_TRUE;

    p_intf->p_sys->b_video_autosize =
        config_GetInt( p_intf, "wx-autosize" );

    return VLC_SUCCESS;
}

static int OpenDialogs( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;
    int i_ret = Open( p_this );

    p_intf->pf_show_dialog = ShowDialog;

    return i_ret;
}

/*****************************************************************************
 * Close: destroy interface window
 *****************************************************************************/
static void Close( vlc_object_t *p_this )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;

    vlc_mutex_lock( &p_intf->object_lock );
    p_intf->b_dead = VLC_TRUE;
    vlc_mutex_unlock( &p_intf->object_lock );

    if( p_intf->pf_show_dialog )
    {
        /* We must destroy the dialogs thread */
        wxCommandEvent event( wxEVT_DIALOG, INTF_DIALOG_EXIT );
        p_intf->p_sys->p_wxwindow->AddPendingEvent( event );
        vlc_thread_join( p_intf );
    }

    msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );

    /* */
    delete p_intf->p_sys->p_window_settings;

#if (wxCHECK_VERSION(2,5,0))
    wxClassInfo::sm_classTable = (wxHashTable*)wxClassInfo_sm_classTable_BUGGY;
#endif

    /* Destroy structure */
    free( p_intf->p_sys );
}

/*****************************************************************************
 * Run: wxWidgets thread
 *****************************************************************************/

//when is this called?
#if !defined(__BUILTIN__) && defined( WIN32 )
HINSTANCE hInstance = 0;
extern "C" BOOL WINAPI
DllMain (HANDLE hModule, DWORD fdwReason, LPVOID lpReserved)
{
    hInstance = (HINSTANCE)hModule;
    return TRUE;
}
#endif

static void Run( intf_thread_t *p_intf )
{
    if( p_intf->pf_show_dialog )
    {
        /* The module is used in dialog provider mode */

        /* Create a new thread for wxWidgets */
        if( vlc_thread_create( p_intf, "Skins Dialogs Thread",
                               Init, 0, VLC_TRUE ) )
        {
            msg_Err( p_intf, "cannot create Skins Dialogs Thread" );
            p_intf->pf_show_dialog = NULL;
        }
    }
    else
    {
        /* The module is used in interface mode */
        Init( p_intf );
    }
}

static void Init( intf_thread_t *p_intf )
{
#if !defined( WIN32 )
    static char  *p_args[] = { "" };
    int i_args = 1;
#endif

    /* Hack to pass the p_intf pointer to the new wxWidgets Instance object */
#ifdef wxTheApp
    wxApp::SetInstance( new Instance( p_intf ) );
#else
    wxTheApp = new Instance( p_intf );
#endif

#if defined( WIN32 )
#if !defined(__BUILTIN__)

    //because no one knows when DllMain is called
    if (hInstance == NULL)
      hInstance = GetModuleHandle(NULL);

    wxEntry( hInstance/*GetModuleHandle(NULL)*/, NULL, NULL, SW_SHOW );
#else
    wxEntry( GetModuleHandle(NULL), NULL, NULL, SW_SHOW );
#endif
#else
    wxEntry( i_args, p_args );
#endif