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mirror of https://code.videolan.org/videolan/vlc synced 2024-07-21 07:24:15 +02:00
vlc/modules/gui/pda/pda.c
2006-10-10 08:47:43 +00:00

614 lines
24 KiB
C

/*****************************************************************************
* pda.c : PDA Gtk2 plugin for vlc
*****************************************************************************
* Copyright (C) 2002 the VideoLAN team
* $Id$
*
* Authors: Jean-Paul Saman <jpsaman _at_ videolan _dot_ org>
* Marc Ariberti <marcari@videolan.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., 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>
#include <gtk/gtk.h>
#include "pda_callbacks.h"
#include "pda_interface.h"
#include "pda_support.h"
#include "pda.h"
/*****************************************************************************
* Local prototypes.
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static void Run ( intf_thread_t * );
void GtkAutoPlayFile ( vlc_object_t * );
static int Manage ( intf_thread_t *p_intf );
void E_(GtkDisplayDate) ( GtkAdjustment *p_adj, gpointer userdata );
gint E_(GtkModeManage) ( intf_thread_t * p_intf );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
#define AUTOPLAYFILE_TEXT N_("Autoplay selected file")
#define AUTOPLAYFILE_LONGTEXT N_("Automatically play a file when selected in the "\
"file selection list")
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_description( _("PDA Linux Gtk2+ interface") );
set_category( CAT_INTERFACE );
set_subcategory( SUBCAT_INTERFACE_MAIN );
// add_bool( "pda-autoplayfile", 1, GtkAutoPlayFile, AUTOPLAYFILE_TEXT, AUTOPLAYFILE_LONGTEXT, VLC_TRUE );
set_capability( "interface", 70 );
set_callbacks( Open, Close );
add_shortcut( "pda" );
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_GTK2_MAIN
msg_Dbg( p_intf, "Using gui-helper" );
p_intf->p_sys->p_gtk_main =
module_Need( p_this, "gui-helper", "gtk2", VLC_TRUE );
if( p_intf->p_sys->p_gtk_main == NULL )
{
free( p_intf->p_sys );
return VLC_ENOMOD;
}
#endif
/* Initialize Gtk+ thread */
p_intf->p_sys->p_input = NULL;
p_intf->p_sys->b_autoplayfile = 1;
p_intf->p_sys->b_playing = 0;
p_intf->p_sys->b_slider_free = 1;
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;
if( p_intf->p_sys->p_input )
{
vlc_object_release( p_intf->p_sys->p_input );
}
#ifdef NEED_GTK2_MAIN
msg_Dbg( p_intf, "Releasing gui-helper" );
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 )
{
#ifndef NEED_GTK2_MAIN
/* 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;
#endif
playlist_t *p_playlist;
GtkCellRenderer *p_renderer = NULL;
GtkTreeViewColumn *p_column = NULL;
GtkListStore *p_filelist = NULL;
GtkListStore *p_playlist_store = NULL;
#ifndef NEED_GTK2_MAIN
gtk_set_locale ();
msg_Dbg( p_intf, "Starting pda GTK2+ interface" );
gtk_init( &i_args, &pp_args );
#else
/* Initialize Gtk+ */
msg_Dbg( p_intf, "Starting pda GTK2+ interface thread" );
gdk_threads_enter();
#endif
/* Create some useful widgets that will certainly be used */
/* FIXME: magic path */
add_pixmap_directory("share");
add_pixmap_directory("/usr/share/vlc");
/* Path for pixmaps under linupy 1.4 */
add_pixmap_directory("/usr/local/share/pixmaps/vlc");
/* Path for pixmaps under linupy 2.0 */
add_pixmap_directory("/usr/share/pixmaps/vlc");
p_intf->p_sys->p_window = create_pda();
if (p_intf->p_sys->p_window == NULL)
{
msg_Err( p_intf, "unable to create pda interface" );
}
/* 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 );
/* Set the title of the main window */
gtk_window_set_title( GTK_WINDOW(p_intf->p_sys->p_window),
VOUT_TITLE " (PDA Linux interface)");
/* Get the notebook object */
p_intf->p_sys->p_notebook = GTK_NOTEBOOK( gtk_object_get_data(
GTK_OBJECT( p_intf->p_sys->p_window ), "notebook" ) );
/* Get the slider object */
p_intf->p_sys->p_slider = (GtkHScale*) lookup_widget( p_intf->p_sys->p_window, "timeSlider" );
p_intf->p_sys->p_slider_label = (GtkLabel*) lookup_widget( p_intf->p_sys->p_window, "timeLabel" );
if (p_intf->p_sys->p_slider == NULL)
msg_Err( p_intf, "Time slider widget not found." );
if (p_intf->p_sys->p_slider_label == NULL)
msg_Err( p_intf, "Time label widget not found." );
/* Connect the date display to the slider */
p_intf->p_sys->p_adj = gtk_range_get_adjustment( GTK_RANGE(p_intf->p_sys->p_slider) );
if (p_intf->p_sys->p_adj == NULL)
msg_Err( p_intf, "Adjustment range not found." );
g_signal_connect( GTK_OBJECT( p_intf->p_sys->p_adj ), "value_changed",
G_CALLBACK( E_(GtkDisplayDate) ), p_intf );
p_intf->p_sys->f_adj_oldvalue = 0;
p_intf->p_sys->i_adj_oldvalue = 0;
/* BEGIN OF FILEVIEW GTK_TREE_VIEW */
p_intf->p_sys->p_tvfile = NULL;
p_intf->p_sys->p_tvfile = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window,
"tvFileList");
if (NULL == p_intf->p_sys->p_tvfile)
msg_Err(p_intf, "Error obtaining pointer to File List");
/* Insert columns 0 */
p_renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 0, (gchar *) N_("Filename"), p_renderer, NULL);
p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 0 );
gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
gtk_tree_view_column_set_sort_column_id(p_column, 0);
/* Insert columns 1 */
p_renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 1, (gchar *) N_("Permissions"), p_renderer, NULL);
p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 1 );
gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
gtk_tree_view_column_set_sort_column_id(p_column, 1);
/* Insert columns 2 */
p_renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 2, (gchar *) N_("Size"), p_renderer, NULL);
p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 2 );
gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
gtk_tree_view_column_set_sort_column_id(p_column, 2);
/* Insert columns 3 */
p_renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 3, (gchar *) N_("Owner"), p_renderer, NULL);
p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 3 );
gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 3 );
gtk_tree_view_column_set_sort_column_id(p_column, 3);
/* Insert columns 4 */
p_renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvfile, 4, (gchar *) N_("Group"), p_renderer, NULL);
p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvfile, 4 );
gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 4 );
gtk_tree_view_column_set_sort_column_id(p_column, 4);
/* Get new directory listing */
p_filelist = gtk_list_store_new (5,
G_TYPE_STRING, /* Filename */
G_TYPE_STRING, /* permissions */
G_TYPE_UINT64, /* File size */
G_TYPE_STRING, /* Owner */
G_TYPE_STRING);/* Group */
ReadDirectory(p_intf, p_filelist, ".");
gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile), GTK_TREE_MODEL(p_filelist));
g_object_unref(p_filelist); /* Model will be released by GtkTreeView */
gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile)),GTK_SELECTION_MULTIPLE);
/* Column properties */
gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvfile, TRUE);
gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvfile);
gtk_tree_view_set_headers_clickable(GTK_TREE_VIEW(p_intf->p_sys->p_tvfile),TRUE);
/* END OF FILEVIEW GTK_TREE_VIEW */
/* BEGIN OF PLAYLIST GTK_TREE_VIEW */
p_intf->p_sys->p_tvplaylist = NULL;
p_intf->p_sys->p_tvplaylist = (GtkTreeView *) lookup_widget( p_intf->p_sys->p_window, "tvPlaylist");
if (NULL == p_intf->p_sys->p_tvplaylist)
msg_Err(p_intf, "Error obtaining pointer to Play List");
/* Columns 1 */
p_renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 0, (gchar *) N_("Filename"), p_renderer, NULL);
p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 0 );
gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 0 );
gtk_tree_view_column_set_sort_column_id(p_column, 0);
/* Column 2 */
p_renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 1, (gchar *) N_("Time"), p_renderer, NULL);
p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 1 );
gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 1 );
gtk_tree_view_column_set_sort_column_id(p_column, 1);
#if 0
/* Column 3 - is a hidden column used for reliable deleting items from the underlying playlist */
p_renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(p_intf->p_sys->p_tvplaylist, 2, (gchar *) N_("Index"), p_renderer, NULL);
p_column = gtk_tree_view_get_column(p_intf->p_sys->p_tvplaylist, 2 );
gtk_tree_view_column_add_attribute(p_column, p_renderer, "text", 2 );
gtk_tree_view_column_set_sort_column_id(p_column, 2);
#endif
/* update the playlist */
p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
p_playlist_store = gtk_list_store_new (3,
G_TYPE_STRING, /* Filename */
G_TYPE_STRING, /* Time */
G_TYPE_UINT); /* Hidden index */
PlaylistRebuildListStore(p_playlist_store, p_playlist);
gtk_tree_view_set_model(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist), GTK_TREE_MODEL(p_playlist_store));
g_object_unref(p_playlist_store);
vlc_object_release(p_playlist); /* Free the playlist */
gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(p_intf->p_sys->p_tvplaylist)),GTK_SELECTION_MULTIPLE);
/* Column properties */
gtk_tree_view_set_headers_visible(p_intf->p_sys->p_tvplaylist, TRUE);
gtk_tree_view_columns_autosize(p_intf->p_sys->p_tvplaylist);
gtk_tree_view_set_headers_clickable(p_intf->p_sys->p_tvplaylist, TRUE);
/* END OF PLAYLIST GTK_TREE_VIEW */
/* Hide the Preference TAB for now. */
GtkWidget *p_preference_tab = NULL;
p_preference_tab = gtk_notebook_get_nth_page(p_intf->p_sys->p_notebook,5);
if (p_preference_tab != NULL)
gtk_widget_hide(p_preference_tab);
/* Show the control window */
gtk_widget_show( p_intf->p_sys->p_window );
#ifdef NEED_GTK2_MAIN
msg_Dbg( p_intf, "Manage GTK keyboard events using threads" );
while( !intf_ShouldDie( p_intf ) )
{
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();
if (p_intf->p_libvlc_global->i_cpu & CPU_CAPABILITY_FPU)
msleep( INTF_IDLE_SLEEP );
else
msleep( 1000 );
gdk_threads_enter();
}
#else
msg_Dbg( p_intf, "Manage GTK keyboard events using timeouts" );
/* Sleep to avoid using all CPU - since some interfaces needs to access
* keyboard events, a 1000ms delay is a good compromise */
if (p_intf->p_libvlc_global->i_cpu & CPU_CAPABILITY_FPU)
i_dummy = gtk_timeout_add( INTF_IDLE_SLEEP / 1000, (GtkFunction)Manage, p_intf );
else
i_dummy = gtk_timeout_add( 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
}
/*****************************************************************************
* GtkAutoplayFile: Autoplay file depending on configuration settings
*****************************************************************************/
void GtkAutoPlayFile( vlc_object_t *p_this )
{
GtkWidget *cbautoplay;
intf_thread_t *p_intf;
int i_index;
vlc_list_t *p_list = vlc_list_find( p_this, VLC_OBJECT_INTF,
FIND_ANYWHERE );
for( i_index = 0; i_index < p_list->i_count; i_index++ )
{
p_intf = (intf_thread_t *)p_list->p_values[i_index].p_object ;
if( strcmp( MODULE_STRING, p_intf->p_module->psz_object_name ) )
{
continue;
}
cbautoplay = GTK_WIDGET( gtk_object_get_data(
GTK_OBJECT( p_intf->p_sys->p_window ),
"cbautoplay" ) );
if( !config_GetInt( p_this, "pda-autoplayfile" ) )
{
p_intf->p_sys->b_autoplayfile = VLC_FALSE;
}
else
{
p_intf->p_sys->b_autoplayfile = VLC_TRUE;
}
gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON( cbautoplay ),
p_intf->p_sys->b_autoplayfile );
}
vlc_list_release( p_list );
}
/* 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 )
{
GtkListStore *p_liststore;
vlc_mutex_lock( &p_intf->change_lock );
/* 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;
int64_t i_time = 0, i_length = 0;
vlc_mutex_lock( &p_input->object_lock );
if( !p_input->b_die )
{
playlist_t *p_playlist;
E_(GtkModeManage)( p_intf );
p_intf->p_sys->b_playing = 1;
/* update playlist interface */
p_playlist = (playlist_t *) vlc_object_find(
p_intf, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
if (p_playlist != NULL)
{
p_liststore = gtk_list_store_new (3,
G_TYPE_STRING,
G_TYPE_STRING,
G_TYPE_UINT); /* Hidden index */
PlaylistRebuildListStore(p_liststore, p_playlist);
gtk_tree_view_set_model(p_intf->p_sys->p_tvplaylist, (GtkTreeModel*) p_liststore);
g_object_unref(p_liststore);
vlc_object_release( p_playlist );
}
/* Manage the slider */
i_time = var_GetTime( p_intf->p_sys->p_input, "time" );
i_length = var_GetTime( p_intf->p_sys->p_input, "length" );
if (p_intf->p_libvlc_global->i_cpu & CPU_CAPABILITY_FPU)
{
/* Manage the slider for CPU_CAPABILITY_FPU hardware */
if( p_intf->p_sys->b_playing )
{
float newvalue = p_intf->p_sys->p_adj->value;
/* 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 * i_time ) / i_length;
g_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 */
else if( p_intf->p_sys->b_slider_free )
{
double f_pos = (double)newvalue / 100.0;
/* release the lock to be able to seek */
vlc_mutex_unlock( &p_input->object_lock );
var_SetFloat( p_input, "position", f_pos );
vlc_mutex_lock( &p_input->object_lock );
/* Update the old value */
p_intf->p_sys->f_adj_oldvalue = newvalue;
}
}
}
else
{
/* Manage the slider without CPU_CAPABILITY_FPU hardware */
if( p_intf->p_sys->b_playing )
{
off_t newvalue = p_intf->p_sys->p_adj->value;
/* 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->i_adj_oldvalue )
{
/* Update the value */
p_intf->p_sys->p_adj->value =
p_intf->p_sys->i_adj_oldvalue =
( 100 * i_time ) / i_length;
g_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 */
else if( p_intf->p_sys->b_slider_free )
{
double f_pos = (double)newvalue / 100.0;
/* release the lock to be able to seek */
vlc_mutex_unlock( &p_input->object_lock );
var_SetFloat( p_input, "position", f_pos );
vlc_mutex_lock( &p_input->object_lock );
/* Update the old value */
p_intf->p_sys->i_adj_oldvalue = newvalue;
}
}
}
}
vlc_mutex_unlock( &p_input->object_lock );
}
else if( p_intf->p_sys->b_playing && !intf_ShouldDie( p_intf ) )
{
E_(GtkModeManage)( p_intf );
p_intf->p_sys->b_playing = 0;
}
#ifndef NEED_GTK2_MAIN
if( intf_ShouldDie( p_intf ) )
{
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;
}
/*****************************************************************************
* GtkDisplayDate: display stream date
*****************************************************************************
* This function displays the current date related to the position in
* the stream. It is called whenever the slider changes its value.
* The lock has to be taken before you call the function.
*****************************************************************************/
void E_(GtkDisplayDate)( GtkAdjustment *p_adj, gpointer userdata )
{
intf_thread_t *p_intf;
p_intf = (intf_thread_t*) userdata;
if (p_intf == NULL)
return;
if( p_intf->p_sys->p_input )
{
char psz_time[ MSTRTIME_MAX_SIZE ];
int64_t i_seconds;
i_seconds = var_GetTime( p_intf->p_sys->p_input, "time" ) / I64C(1000000 );
secstotimestr( psz_time, i_seconds );
gtk_label_set_text( GTK_LABEL( p_intf->p_sys->p_slider_label ),
psz_time );
}
}
/*****************************************************************************
* GtkModeManage: actualize the aspect of the interface whenever the input
* changes.
*****************************************************************************
* The lock has to be taken before you call the function.
*****************************************************************************/
gint E_(GtkModeManage)( intf_thread_t * p_intf )
{
GtkWidget * p_slider = NULL;
vlc_bool_t b_control;
if ( p_intf->p_sys->p_window == NULL )
msg_Err( p_intf, "Main widget not found" );
p_slider = lookup_widget( p_intf->p_sys->p_window, "timeSlider");
if (p_slider == NULL)
msg_Err( p_intf, "Slider widget not found" );
/* controls unavailable */
b_control = 0;
/* show the box related to current input mode */
if( p_intf->p_sys->p_input )
{
/* initialize and show slider for seekable streams */
{
gtk_widget_show( GTK_WIDGET( p_slider ) );
}
/* control buttons for free pace streams */
b_control = p_intf->p_sys->p_input->b_can_pace_control;
msg_Dbg( p_intf, "stream has changed, refreshing interface" );
}
/* set control items */
gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbRewind"), b_control );
gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbPause"), b_control );
gtk_widget_set_sensitive( lookup_widget( p_intf->p_sys->p_window, "tbForward"), b_control );
return TRUE;
}