/***************************************************************************** * gtk2.c : Gtk2 plugin for vlc ***************************************************************************** * Copyright (C) 2003 VideoLAN * $Id: gtk2.c 10101 2005-03-02 16:47:31Z robux4 $ * * Authors: Samuel Hocevar <sam@zoy.org> * * 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>#include <gtk/gtk.h>#include "gtk2_callbacks.h"#include "gtk2_interface.h"#include "gtk2_support.h"/***************************************************************************** * Local prototypes. *****************************************************************************/static int  Open         ( vlc_object_t * );static void Close        ( vlc_object_t * );static void Run          ( intf_thread_t * );static int  Manage       ( intf_thread_t * );/***************************************************************************** * Module descriptor *****************************************************************************/vlc_module_begin();    int i = getenv( "DISPLAY" ) == NULL ? 15 : 95;    set_category( CAT_INTERFACE );    set_subcategory( SUBCAT_INTERFACE_GENERAL );    set_description( _("Gtk2 interface") );    set_capability( "interface", i );    set_callbacks( Open, Close );    set_program( "gvlc" );vlc_module_end();/***************************************************************************** * intf_sys_t *****************************************************************************/struct intf_sys_t{    module_t *p_gui_helper;    GtkWidget *p_window;};/***************************************************************************** * 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 = malloc( sizeof( intf_sys_t ) );    if( p_intf->p_sys == NULL )    {        msg_Err( p_intf, "out of memory" );        return VLC_ENOMEM;    }#ifdef NEED_GTK2_MAIN    p_intf->p_sys->p_gui_helper =        module_Need( p_this, "gui-helper", "gtk2", VLC_TRUE );    if( p_intf->p_sys->p_gui_helper == NULL )    {        free( p_intf->p_sys );        return VLC_ENOMOD;    }#endif    p_intf->pf_run = Run;    return VLC_SUCCESS;}/***************************************************************************** * Close: destroy interface window *****************************************************************************/static void Close( vlc_object_t *p_this ){    intf_thread_t *p_intf = (intf_thread_t *)p_this;#ifdef NEED_GTK2_MAIN    module_Unneed( p_intf, p_intf->p_sys->p_gui_helper );#endif    /* Destroy structure */    free( p_intf->p_sys );}/***************************************************************************** * Run: Gtk2 thread ***************************************************************************** * this part of the interface is in a separate thread so that we can call * gtk_main() from within it without annoying the rest of the program. *****************************************************************************/static void Run( intf_thread_t *p_intf ){#ifdef NEED_GTK2_MAIN    gdk_threads_enter();#else    /* gtk_init needs to know the command line. We don't care, so we     * give it an empty one */    char  *p_args[] = { "", NULL };    char **pp_args  = p_args;    int    i_args   = 1;    int    i_dummy;    gtk_set_locale();    gtk_init( &i_args, &pp_args );#endif    /* Create some useful widgets that will certainly be used */    p_intf->p_sys->p_window = create_window1();    /* Set the title of the main window */    gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),                          VOUT_TITLE " (Gtk2 interface)");    /* Show the control window */    gtk_widget_show( p_intf->p_sys->p_window );#ifdef NEED_GTK2_MAIN    while( !p_intf->b_die )    {        Manage( p_intf );        /* Sleep to avoid using all CPU - since some interfaces need to         * access keyboard events, a 100ms delay is a good compromise */        gdk_threads_leave();        msleep( INTF_IDLE_SLEEP );        gdk_threads_enter();    }#else    /* Sleep to avoid using all CPU - since some interfaces needs to access     * keyboard events, a 100ms delay is a good compromise */    i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage,                               p_intf );    /* Enter Gtk mode */    gtk_main();    /* Remove the timeout */    gtk_timeout_remove( i_dummy );#endif    gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );#ifdef NEED_GTK2_MAIN    gdk_threads_leave();#endif}/* following functions are local *//***************************************************************************** * Manage: manage main thread messages ***************************************************************************** * In this function, called approx. 10 times a second, we check what the * main program wanted to tell us. *****************************************************************************/static int Manage( intf_thread_t *p_intf ){#ifndef NEED_GTK2_MAIN    if( p_intf->b_die )    {        gtk_main_quit();        return FALSE;    }#endif    return TRUE;}