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/*****************************************************************************
* gtk.c : Gtk+ plugin for vlc
*****************************************************************************
* Copyright (C) 2000-2001 VideoLAN
* $Id: gtk.c,v 1.14 2003/01/31 09:51:57 sam Exp $
*
* 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 "gtk_callbacks.h"
#include "gtk_interface.h"
#include "gtk_support.h"
#include "menu.h"
#include "display.h"
#include "common.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
*****************************************************************************/
#define TOOLTIPS_TEXT N_("show tooltips")
#define TOOLTIPS_LONGTEXT N_("Show tooltips for configuration options.")
#define PREFS_MAXH_TEXT N_("maximum height for the configuration windows")
#define PREFS_MAXH_LONGTEXT N_( \
"You can set the maximum height that the configuration windows in the " \
"preferences menu will occupy.")
vlc_module_begin();
#ifdef WIN32
int i = 90;
#else
int i = getenv( "DISPLAY" ) == NULL ? 10 : 90;
#endif
add_category_hint( N_("Gtk+"), NULL );
add_bool( "gtk-tooltips", 1, E_(GtkHideTooltips),
TOOLTIPS_TEXT, TOOLTIPS_LONGTEXT );
add_integer( "gtk-prefs-maxh", 480, NULL,
PREFS_MAXH_TEXT, PREFS_MAXH_LONGTEXT );
set_description( _("Gtk+ interface module") );
set_capability( "interface", i );
set_callbacks( Open, Close );
add_shortcut( "gtk" );
set_program( "gvlc" );
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 = malloc( sizeof( intf_sys_t ) );
if( p_intf->p_sys == NULL )
{
msg_Err( p_intf, "out of memory" );
return VLC_ENOMEM;
}
#ifdef NEED_GTK_MAIN
p_intf->p_sys->p_gtk_main = module_Need( p_this, "gtk_main", "gtk" );
if( p_intf->p_sys->p_gtk_main == NULL )
{
free( p_intf->p_sys );
return VLC_ENOMOD;
}
#endif
p_intf->pf_run = Run;
p_intf->p_sys->p_sub = msg_Subscribe( p_intf );
/* Initialize Gtk+ thread */
p_intf->p_sys->b_playing = VLC_FALSE;
p_intf->p_sys->b_deinterlace_update = VLC_FALSE;
p_intf->p_sys->b_aout_update = VLC_FALSE;
p_intf->p_sys->b_vout_update = VLC_FALSE;
p_intf->p_sys->b_popup_changed = VLC_FALSE;
p_intf->p_sys->b_window_changed = VLC_FALSE;
p_intf->p_sys->b_playlist_changed = VLC_FALSE;
p_intf->p_sys->b_program_update = VLC_FALSE;
p_intf->p_sys->b_title_update = VLC_FALSE;
p_intf->p_sys->b_chapter_update = VLC_FALSE;
p_intf->p_sys->b_spu_update = VLC_FALSE;
p_intf->p_sys->b_audio_update = VLC_FALSE;
p_intf->p_sys->p_input = NULL;
p_intf->p_sys->i_playing = -1;
p_intf->p_sys->b_slider_free = VLC_TRUE;
p_intf->p_sys->i_part = 0;
p_intf->p_sys->b_mute = VLC_FALSE;
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;
if( p_intf->p_sys->p_input )
{
vlc_object_release( p_intf->p_sys->p_input );
}
msg_Unsubscribe( p_intf, p_intf->p_sys->p_sub );
#ifdef NEED_GTK_MAIN
module_Unneed( p_intf, p_intf->p_sys->p_gtk_main );
#endif
/* Destroy structure */
free( p_intf->p_sys );
}
/*****************************************************************************
* Run: Gtk+ 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 )
{
/* The data types we are allowed to receive */
static GtkTargetEntry target_table[] =
{
{ "STRING", 0, DROP_ACCEPT_STRING },
{ "text/uri-list", 0, DROP_ACCEPT_TEXT_URI_LIST },
{ "text/plain", 0, DROP_ACCEPT_TEXT_PLAIN }
};
char *psz_sout;
GString * p_target;
#ifdef NEED_GTK_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[] = { "" };
char **pp_args = p_args;
int i_args = 1;
int i_dummy;
gtk_init( &i_args, &pp_args );
#endif
/* Create some useful widgets that will certainly be used */
p_intf->p_sys->p_window = create_intf_window();
p_intf->p_sys->p_popup = create_intf_popup();
p_intf->p_sys->p_playwin = create_intf_playlist();
p_intf->p_sys->p_messages = create_intf_messages();
p_intf->p_sys->p_tooltips = gtk_tooltips_new();
p_intf->p_sys->p_sout = create_intf_sout();
/* Set the title of the main window */
gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
VOUT_TITLE " (Gtk+ interface)");
/* Accept file drops on the main window */
gtk_drag_dest_set( GTK_WIDGET( p_intf->p_sys->p_window ),
GTK_DEST_DEFAULT_ALL, target_table,
DROP_ACCEPT_END, GDK_ACTION_COPY );
/* Accept file drops on the playlist window */
gtk_drag_dest_set( GTK_WIDGET( lookup_widget( p_intf->p_sys->p_playwin,
"playlist_clist") ),
GTK_DEST_DEFAULT_ALL, target_table,
DROP_ACCEPT_END, GDK_ACTION_COPY );
/* Get the slider object */
p_intf->p_sys->p_slider_frame = GTK_FRAME( gtk_object_get_data(
GTK_OBJECT( p_intf->p_sys->p_window ), "slider_frame" ) );
/* Configure the log window */
p_intf->p_sys->p_messages_text = GTK_TEXT( gtk_object_get_data(
GTK_OBJECT(p_intf->p_sys->p_messages ), "messages_textbox" ) );
gtk_text_set_line_wrap( p_intf->p_sys->p_messages_text, TRUE);
gtk_text_set_word_wrap( p_intf->p_sys->p_messages_text, FALSE);
/* Get the interface labels */
#define P_LABEL( name ) GTK_LABEL( gtk_object_get_data( \
GTK_OBJECT( p_intf->p_sys->p_window ), name ) )
p_intf->p_sys->p_label_title = P_LABEL( "title_label" );
p_intf->p_sys->p_label_chapter = P_LABEL( "chapter_label" );
#undef P_LABEL
/* Connect the date display to the slider */
#define P_SLIDER GTK_RANGE( gtk_object_get_data( \
GTK_OBJECT( p_intf->p_sys->p_window ), "slider" ) )
p_intf->p_sys->p_adj = gtk_range_get_adjustment( P_SLIDER );
gtk_signal_connect ( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
GTK_SIGNAL_FUNC( E_(GtkDisplayDate) ), NULL );
p_intf->p_sys->f_adj_oldvalue = 0;
#undef P_SLIDER
/* We don't create these ones yet because we perhaps won't need them */
p_intf->p_sys->p_about = NULL;
p_intf->p_sys->p_modules = NULL;
p_intf->p_sys->p_open = NULL;
p_intf->p_sys->p_jump = NULL;
/* Hide tooltips if the option is set */
if( !config_GetInt( p_intf, "gtk-tooltips" ) )
{
gtk_tooltips_disable( p_intf->p_sys->p_tooltips );
}
/* Store p_intf to keep an eye on it */
gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_window),
"p_intf", p_intf );
gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_popup),
"p_intf", p_intf );
gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_playwin ),
"p_intf", p_intf );
gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_messages ),
"p_intf", p_intf );
gtk_object_set_data( GTK_OBJECT(p_intf->p_sys->p_adj),
"p_intf", p_intf );
gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
"p_intf", p_intf );
psz_sout = config_GetPsz( p_intf, "sout" );
p_target = g_string_new( psz_sout ? psz_sout : "" );
if( psz_sout ) free( psz_sout );
gtk_entry_set_text( gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ), "sout_entry_target" ), p_target->str );
g_string_free( p_target, TRUE );
/* FIXME it's to be sure that only file entry is selected */
gtk_toggle_button_set_active( gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
"sout_access_udp" ), TRUE );
gtk_toggle_button_set_active( gtk_object_get_data( GTK_OBJECT( p_intf->p_sys->p_sout ),
"sout_access_file" ), TRUE );
/* Show the control window */
gtk_widget_show( p_intf->p_sys->p_window );
#ifdef NEED_GTK_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
/* Destroy the Tooltips structure */
gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_tooltips) );
gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_messages) );
gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_playwin) );
gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_popup) );
gtk_object_destroy( GTK_OBJECT(p_intf->p_sys->p_window) );
#ifdef NEED_GTK_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 )
{
int i_start, i_stop;
vlc_mutex_lock( &p_intf->change_lock );
/* If the "display popup" flag has changed */
if( p_intf->b_menu_change )
{
if( !GTK_IS_WIDGET( p_intf->p_sys->p_popup ) )
{
p_intf->p_sys->p_popup = create_intf_popup();
gtk_object_set_data( GTK_OBJECT( p_intf->p_sys->p_popup ),
"p_intf", p_intf );
}
gtk_menu_popup( GTK_MENU( p_intf->p_sys->p_popup ),
NULL, NULL, NULL, NULL, 0, GDK_CURRENT_TIME );
p_intf->b_menu_change = 0;
}
/* Update the log window */
vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
i_stop = *p_intf->p_sys->p_sub->pi_stop;
vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
if( p_intf->p_sys->p_sub->i_start != i_stop )
{
static GdkColor white = { 0, 0xffff, 0xffff, 0xffff };
static GdkColor gray = { 0, 0xaaaa, 0xaaaa, 0xaaaa };
static GdkColor yellow = { 0, 0xffff, 0xffff, 0x6666 };
static GdkColor red = { 0, 0xffff, 0x6666, 0x6666 };
static const char * ppsz_type[4] = { ": ", " error: ", " warning: ",
" debug: " };
static GdkColor * pp_color[4] = { &white, &red, &yellow, &gray };
for( i_start = p_intf->p_sys->p_sub->i_start;
i_start != i_stop;
i_start = (i_start+1) % VLC_MSG_QSIZE )
{
/* Append all messages to log window */
gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
NULL, p_intf->p_sys->p_sub->p_msg[i_start].psz_module, -1 );
gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
NULL, ppsz_type[p_intf->p_sys->p_sub->p_msg[i_start].i_type],
-1 );
gtk_text_insert( p_intf->p_sys->p_messages_text, NULL,
pp_color[p_intf->p_sys->p_sub->p_msg[i_start].i_type], NULL,
p_intf->p_sys->p_sub->p_msg[i_start].psz_msg, -1 );
gtk_text_insert( p_intf->p_sys->p_messages_text, NULL, &gray,
NULL, "\n", -1 );
}
vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
p_intf->p_sys->p_sub->i_start = i_start;
vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
gtk_text_set_point( p_intf->p_sys->p_messages_text,
gtk_text_get_length( p_intf->p_sys->p_messages_text ) );
}
/* Update the playlist */
GtkPlayListManage( p_intf );
/* Update the input */
if( p_intf->p_sys->p_input == NULL )
{
p_intf->p_sys->p_input = vlc_object_find( p_intf, VLC_OBJECT_INPUT,
FIND_ANYWHERE );
}
else if( p_intf->p_sys->p_input->b_dead )
{
vlc_object_release( p_intf->p_sys->p_input );
p_intf->p_sys->p_input = NULL;
}
if( p_intf->p_sys->p_input )
{
input_thread_t *p_input = p_intf->p_sys->p_input;
aout_instance_t *p_aout = NULL;
vout_thread_t *p_vout = NULL;
vlc_bool_t b_need_menus = VLC_FALSE;
vlc_mutex_lock( &p_input->stream.stream_lock );
if( !p_input->b_die )
{
/* New input or stream map change */
if( p_input->stream.b_changed )
{
E_(GtkModeManage)( p_intf );
GtkSetupMenus( p_intf );
p_intf->p_sys->b_playing = 1;
}
/* Manage the slider */
if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
{
float newvalue = p_intf->p_sys->p_adj->value;
#define p_area p_input->stream.p_selected_area
/* If the user hasn't touched the slider since the last time,
* then the input can safely change it */
if( newvalue == p_intf->p_sys->f_adj_oldvalue )
{
/* Update the value */
p_intf->p_sys->p_adj->value =
p_intf->p_sys->f_adj_oldvalue =
( 100. * p_area->i_tell ) / p_area->i_size;
gtk_signal_emit_by_name( GTK_OBJECT( p_intf->p_sys->p_adj ),
"value_changed" );
}
/* Otherwise, send message to the input if the user has
* finished dragging the slider.
* Beware, the hack below is needed by the dvdplay plugin! */
else if( p_intf->p_sys->b_slider_free
/* hack -> */ && (p_intf->p_sys->f_adj_oldvalue <= 100.) )
{
off_t i_seek = ( newvalue * p_area->i_size ) / 100;
/* release the lock to be able to seek */
vlc_mutex_unlock( &p_input->stream.stream_lock );
input_Seek( p_input, i_seek, INPUT_SEEK_SET );
vlc_mutex_lock( &p_input->stream.stream_lock );
/* Update the old value */
p_intf->p_sys->f_adj_oldvalue = newvalue;
}
#undef p_area
}
if( p_intf->p_sys->i_part !=
p_input->stream.p_selected_area->i_part )
{
p_intf->p_sys->b_chapter_update = 1;
b_need_menus = VLC_TRUE;
}
/* Does the audio output require to update the menus ? */
p_aout = (aout_instance_t *)vlc_object_find( p_intf, VLC_OBJECT_AOUT,
FIND_ANYWHERE );
if( p_aout != NULL )
{
vlc_value_t val;
if( var_Get( (vlc_object_t *)p_aout, "intf-change", &val ) >= 0
&& val.b_bool )
{
p_intf->p_sys->b_aout_update = 1;
b_need_menus = 1;
}
vlc_object_release( (vlc_object_t *)p_aout );
}
/* Does the video output require to update the menus ? */
p_vout = (vout_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_VOUT,
FIND_ANYWHERE );
if( p_vout != NULL )
{
vlc_value_t val;
if( var_Get( (vlc_object_t *)p_vout, "intf-change", &val ) >= 0
&& val.b_bool )
{
p_intf->p_sys->b_vout_update = 1;
b_need_menus = 1;
}
vlc_object_release( (vlc_object_t *)p_vout );
}
if( b_need_menus )
{
GtkSetupMenus( p_intf );
}
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
}
else if( p_intf->p_sys->b_playing && !p_intf->b_die )
{
E_(GtkModeManage)( p_intf );
p_intf->p_sys->b_playing = 0;
}
#ifndef NEED_GTK_MAIN
if( p_intf->b_die )
{
vlc_mutex_unlock( &p_intf->change_lock );
/* Prepare to die, young Skywalker */
gtk_main_quit();
return FALSE;
}
#endif
vlc_mutex_unlock( &p_intf->change_lock );
return TRUE;
}