wxwindows.cpp
上传用户:riyaled888
上传日期:2009-03-27
资源大小:7338k
文件大小:12k
- /*****************************************************************************
- * wxwindows.cpp : wxWindows plugin for vlc
- *****************************************************************************
- * Copyright (C) 2000-2004 VideoLAN
- * $Id: wxwindows.cpp 8869 2004-09-30 22:17:54Z gbazin $
- *
- * Authors: Gildas Bazin <gbazin@netcourrier.com>
- *
- * 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., 59 Temple Place - Suite 330, Boston, MA 02111, 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 "wxwindows.h"
- /* Temporary hack */
- #if defined(WIN32) && defined(_WX_INIT_H_)
- #if (wxMAJOR_VERSION <= 2) && (wxMINOR_VERSION <= 5) && (wxRELEASE_NUMBER < 3)
- /* Hack to detect wxWindows 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
- #ifdef SYS_DARWIN
- int wxEntry( int argc, char *argv[] , bool enterLoop = TRUE );
- #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 * );
- /*****************************************************************************
- * 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_("Show bookmarks dialog")
- #define BOOKMARKS_LONGTEXT N_("Show bookmarks dialog when the interface "
- "starts.")
- vlc_module_begin();
- #ifdef WIN32
- int i_score = 150;
- #else
- int i_score = getenv( "DISPLAY" ) == NULL ? 15 : 150;
- #endif
- set_description( (char *) _("wxWindows interface module") );
- set_capability( "interface", i_score );
- set_callbacks( Open, Close );
- add_shortcut( "wxwindows" );
- add_shortcut( "wxwin" );
- add_shortcut( "wx" );
- set_program( "wxvlc" );
- add_bool( "wxwin-embed", 1, NULL,
- EMBED_TEXT, EMBED_LONGTEXT, VLC_FALSE );
- add_bool( "wxwin-bookmarks", 0, NULL,
- BOOKMARKS_TEXT, BOOKMARKS_LONGTEXT, VLC_FALSE );
- add_submodule();
- set_description( _("wxWindows 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 );
- /* Initialize wxWindows 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->b_slider_free = 1;
- p_intf->p_sys->i_slider_pos = p_intf->p_sys->i_slider_oldpos = 0;
- 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;
- 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;
- if( p_intf->p_sys->p_input )
- {
- vlc_object_release( p_intf->p_sys->p_input );
- }
- 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 );
- /* Destroy structure */
- free( p_intf->p_sys );
- }
- /*****************************************************************************
- * Run: wxWindows thread
- *****************************************************************************/
- #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 wxWindows */
- 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 wxWindow Instance object */
- #ifdef wxTheApp
- wxApp::SetInstance( new Instance( p_intf ) );
- #else
- wxTheApp = new Instance( p_intf );
- #endif
- #if defined( WIN32 )
- #if !defined(__BUILTIN__)
- wxEntry( hInstance/*GetModuleHandle(NULL)*/, NULL, NULL, SW_SHOW );
- #else
- wxEntry( GetModuleHandle(NULL), NULL, NULL, SW_SHOW );
- #endif
- #else
- wxEntry( i_args, p_args );
- #endif
- }
- /* following functions are local */
- /*****************************************************************************
- * Constructors.
- *****************************************************************************/
- Instance::Instance( )
- {
- }
- Instance::Instance( intf_thread_t *_p_intf )
- {
- /* Initialization */
- p_intf = _p_intf;
- }
- IMPLEMENT_APP_NO_MAIN(Instance)
- /*****************************************************************************
- * Instance::OnInit: the parent interface execution starts here
- *****************************************************************************
- * This is the "main program" equivalent, the program execution will
- * start here.
- *****************************************************************************/
- bool Instance::OnInit()
- {
- /* Initialization of i18n stuff.
- * Usefull for things we don't have any control over, like wxWindows
- * provided facilities (eg. open file dialog) */
- locale.Init( wxLANGUAGE_DEFAULT );
- /* FIXME: The stream output mrl parsing uses ',' already so we want to
- * keep the default '.' for floating point numbers. */
- setlocale( LC_NUMERIC, "C" );
- /* Make an instance of your derived frame. Passing NULL (the default value
- * of Frame's constructor is NULL) as the frame doesn't have a parent
- * since it is the first window */
- if( !p_intf->pf_show_dialog )
- {
- /* The module is used in interface mode */
- Interface *MainInterface = new Interface( p_intf );
- p_intf->p_sys->p_wxwindow = MainInterface;
- /* Show the interface */
- MainInterface->Show( TRUE );
- SetTopWindow( MainInterface );
- MainInterface->Raise();
- }
- /* Creates the dialogs provider */
- p_intf->p_sys->p_wxwindow =
- CreateDialogsProvider( p_intf, p_intf->pf_show_dialog ?
- NULL : p_intf->p_sys->p_wxwindow );
- p_intf->p_sys->pf_show_dialog = ShowDialog;
- /* OK, initialization is over */
- vlc_thread_ready( p_intf );
- /* Check if we need to start playing */
- if( !p_intf->pf_show_dialog && p_intf->b_play )
- {
- playlist_t *p_playlist =
- (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
- FIND_ANYWHERE );
- if( p_playlist )
- {
- playlist_Play( p_playlist );
- vlc_object_release( p_playlist );
- }
- }
- /* Return TRUE to tell program to continue (FALSE would terminate) */
- return TRUE;
- }
- /*****************************************************************************
- * Instance::OnExit: called when the interface execution stops
- *****************************************************************************/
- int Instance::OnExit()
- {
- if( p_intf->pf_show_dialog )
- {
- /* We need to manually clean up the dialogs class */
- if( p_intf->p_sys->p_wxwindow ) delete p_intf->p_sys->p_wxwindow;
- }
- return 0;
- }
- static void ShowDialog( intf_thread_t *p_intf, int i_dialog_event, int i_arg,
- intf_dialog_args_t *p_arg )
- {
- wxCommandEvent event( wxEVT_DIALOG, i_dialog_event );
- event.SetInt( i_arg );
- event.SetClientData( p_arg );
- #ifdef WIN32
- SendMessage( (HWND)p_intf->p_sys->p_wxwindow->GetHandle(),
- WM_CANCELMODE, 0, 0 );
- #endif
- if( i_dialog_event == INTF_DIALOG_POPUPMENU && i_arg == 0 ) return;
- /* Hack to prevent popup events to be enqueued when
- * one is already active */
- if( i_dialog_event != INTF_DIALOG_POPUPMENU ||
- !p_intf->p_sys->p_popup_menu )
- {
- p_intf->p_sys->p_wxwindow->AddPendingEvent( event );
- }
- }