git.sesse.net Git - vlc/blob - modules/gui/wxwindows/timer.cpp

   1 /*****************************************************************************
   2  * timer.cpp : wxWindows plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000-2001 VideoLAN
   5  * $Id: timer.cpp,v 1.26 2003/07/17 17:30:40 gbazin Exp $
   6  *
   7  * Authors: Gildas Bazin <gbazin@netcourrier.com>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include <stdlib.h>                                      /* malloc(), free() */
  28 #include <errno.h>                                                 /* ENOMEM */
  29 #include <string.h>                                            /* strerror() */
  30 #include <stdio.h>
  31
  32 #include <vlc/vlc.h>
  33 #include <vlc/aout.h>
  34
  35 #ifdef WIN32                                                 /* mingw32 hack */
  36 #undef Yield
  37 #undef CreateDialog
  38 #endif
  39
  40 /* Let vlc take care of the i18n stuff */
  41 #define WXINTL_NO_GETTEXT_MACRO
  42
  43 #include <wx/wxprec.h>
  44 #include <wx/wx.h>
  45 #include <wx/timer.h>
  46
  47 #include <vlc/intf.h>
  48
  49 #include "wxwindows.h"
  50
  51 void DisplayStreamDate( wxControl *, intf_thread_t *, int );
  52
  53 /* Callback prototype */
  54 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
  55                        vlc_value_t old_val, vlc_value_t new_val, void *param );
  56
  57 /*****************************************************************************
  58  * Constructor.
  59  *****************************************************************************/
  60 Timer::Timer( intf_thread_t *_p_intf, Interface *_p_main_interface )
  61 {
  62     p_intf = _p_intf;
  63     p_main_interface = _p_main_interface;
  64     i_old_playing_status = PAUSE_S;
  65     i_old_rate = DEFAULT_RATE;
  66
  67     /* Register callback for the intf-popupmenu variable */
  68     playlist_t *p_playlist =
  69         (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  70                                        FIND_ANYWHERE );
  71     if( p_playlist != NULL )
  72     {
  73         var_AddCallback( p_playlist, "intf-popupmenu", PopupMenuCB, p_intf );
  74         vlc_object_release( p_playlist );
  75     }
  76
  77     Start( 100 /*milliseconds*/, wxTIMER_CONTINUOUS );
  78 }
  79
  80 Timer::~Timer()
  81 {
  82 }
  83
  84 /*****************************************************************************
  85  * Private methods.
  86  *****************************************************************************/
  87
  88 /*****************************************************************************
  89  * Manage: manage main thread messages
  90  *****************************************************************************
  91  * In this function, called approx. 10 times a second, we check what the
  92  * main program wanted to tell us.
  93  *****************************************************************************/
  94 void Timer::Notify()
  95 {
  96     vlc_bool_t b_pace_control;
  97
  98     vlc_mutex_lock( &p_intf->change_lock );
  99
 100     /* If the "display popup" flag has changed */
 101     if( p_intf->p_sys->b_popup_change )
 102     {
 103         wxPoint mousepos = wxGetMousePosition();
 104
 105         wxMouseEvent event = wxMouseEvent( wxEVT_RIGHT_UP );
 106         event.m_x = p_main_interface->ScreenToClient(mousepos).x;
 107         event.m_y = p_main_interface->ScreenToClient(mousepos).y;
 108
 109         p_main_interface->AddPendingEvent(event);
 110
 111         p_intf->p_sys->b_popup_change = VLC_FALSE;
 112     }
 113
 114     /* Update the input */
 115     if( p_intf->p_sys->p_input == NULL )
 116     {
 117         p_intf->p_sys->p_input = (input_thread_t *)vlc_object_find( p_intf,
 118                                                        VLC_OBJECT_INPUT,
 119                                                        FIND_ANYWHERE );
 120
 121         /* Show slider */
 122         if( p_intf->p_sys->p_input )
 123         {
 124             //if( p_intf->p_sys->p_input->stream.b_seekable )
 125             {
 126                 p_main_interface->slider_frame->Show();
 127                 p_main_interface->frame_sizer->Show(
 128                     p_main_interface->slider_frame );
 129                 p_main_interface->frame_sizer->Layout();
 130                 p_main_interface->frame_sizer->Fit( p_main_interface );
 131             }
 132
 133             p_main_interface->statusbar->SetStatusText(
 134                 wxU(p_intf->p_sys->p_input->psz_source), 2 );
 135
 136             p_main_interface->TogglePlayButton( PLAYING_S );
 137             i_old_playing_status = PLAYING_S;
 138
 139             /* Take care of the volume */
 140             audio_volume_t i_volume;
 141             aout_VolumeGet( p_intf, &i_volume );
 142             p_main_interface->volctrl->SetValue( i_volume * 200 /
 143                                                  AOUT_VOLUME_MAX );
 144             p_main_interface->volctrl->SetToolTip(
 145                 wxString::Format((wxString)wxU(_("Volume")) + wxT(" %d"),
 146                 i_volume * 200 / AOUT_VOLUME_MAX ) );
 147
 148             /* control buttons for free pace streams */
 149             b_pace_control = p_intf->p_sys->p_input->stream.b_pace_control;
 150         }
 151     }
 152     else if( p_intf->p_sys->p_input->b_dead )
 153     {
 154         /* Hide slider */
 155         //if( p_intf->p_sys->p_input->stream.b_seekable )
 156         {
 157             p_main_interface->slider_frame->Hide();
 158             p_main_interface->frame_sizer->Hide(
 159                 p_main_interface->slider_frame );
 160             p_main_interface->frame_sizer->Layout();
 161             p_main_interface->frame_sizer->Fit( p_main_interface );
 162
 163             p_main_interface->TogglePlayButton( PAUSE_S );
 164             i_old_playing_status = PAUSE_S;
 165         }
 166
 167         p_main_interface->statusbar->SetStatusText( wxT(""), 2 );
 168
 169         vlc_object_release( p_intf->p_sys->p_input );
 170         p_intf->p_sys->p_input = NULL;
 171     }
 172
 173
 174
 175     if( p_intf->p_sys->p_input )
 176     {
 177         input_thread_t *p_input = p_intf->p_sys->p_input;
 178
 179         vlc_mutex_lock( &p_input->stream.stream_lock );
 180
 181         if( !p_input->b_die )
 182         {
 183             /* New input or stream map change */
 184             p_intf->p_sys->b_playing = 1;
 185 #if 0
 186             if( p_input->stream.b_changed )
 187             {
 188                 wxModeManage( p_intf );
 189                 wxSetupMenus( p_intf );
 190                 p_intf->p_sys->b_playing = 1;
 191
 192                 p_main_interface->TogglePlayButton( PLAYING_S );
 193                 i_old_playing_status = PLAYING_S;
 194             }
 195 #endif
 196
 197             /* Manage the slider */
 198             if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 199             {
 200                 stream_position_t position;
 201
 202                 /* Update the slider if the user isn't dragging it. */
 203                 if( p_intf->p_sys->b_slider_free )
 204                 {
 205                     /* Update the value */
 206                     vlc_mutex_unlock( &p_input->stream.stream_lock );
 207                     input_Tell( p_input, &position );
 208                     vlc_mutex_lock( &p_input->stream.stream_lock );
 209                     if( position.i_size )
 210                     {
 211                         p_intf->p_sys->i_slider_pos =
 212                         ( SLIDER_MAX_POS * position.i_tell ) / position.i_size;
 213
 214                         p_main_interface->slider->SetValue(
 215                             p_intf->p_sys->i_slider_pos );
 216
 217                         DisplayStreamDate( p_main_interface->slider_box,p_intf,
 218                                            p_intf->p_sys->i_slider_pos );
 219                     }
 220                 }
 221             }
 222
 223             /* Manage Playing status */
 224             if( i_old_playing_status != p_input->stream.control.i_status )
 225             {
 226                 if( p_input->stream.control.i_status == PAUSE_S )
 227                 {
 228                     p_main_interface->TogglePlayButton( PAUSE_S );
 229                 }
 230                 else
 231                 {
 232                     p_main_interface->TogglePlayButton( PLAYING_S );
 233                 }
 234                 i_old_playing_status = p_input->stream.control.i_status;
 235             }
 236
 237             /* Manage Speed status */
 238             if( i_old_rate != p_input->stream.control.i_rate )
 239             {
 240                 p_main_interface->statusbar->SetStatusText(
 241                     wxString::Format(wxT("x%.2f"),
 242                     1000.0 / p_input->stream.control.i_rate), 1 );
 243                 i_old_rate = p_input->stream.control.i_rate;
 244             }
 245         }
 246
 247         vlc_mutex_unlock( &p_input->stream.stream_lock );
 248     }
 249     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 250     {
 251         p_intf->p_sys->b_playing = 0;
 252         p_main_interface->TogglePlayButton( PAUSE_S );
 253         i_old_playing_status = PAUSE_S;
 254     }
 255
 256     if( p_intf->b_die )
 257     {
 258         vlc_mutex_unlock( &p_intf->change_lock );
 259
 260         /* Prepare to die, young Skywalker */
 261         p_main_interface->Close(TRUE);
 262         return;
 263     }
 264
 265     vlc_mutex_unlock( &p_intf->change_lock );
 266 }
 267
 268 /*****************************************************************************
 269  * DisplayStreamDate: display stream date
 270  *****************************************************************************
 271  * This function displays the current date related to the position in
 272  * the stream. It is called whenever the slider changes its value.
 273  * The lock has to be taken before you call the function.
 274  *****************************************************************************/
 275 void DisplayStreamDate( wxControl *p_slider_frame, intf_thread_t * p_intf ,
 276                         int i_pos )
 277 {
 278     if( p_intf->p_sys->p_input )
 279     {
 280 #define p_area p_intf->p_sys->p_input->stream.p_selected_area
 281         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 282
 283         p_slider_frame->SetLabel(
 284             wxU(input_OffsetToTime( p_intf->p_sys->p_input,
 285                     psz_time, p_area->i_size * i_pos / SLIDER_MAX_POS )) );
 286 #undef p_area
 287      }
 288 }
 289
 290 /*****************************************************************************
 291  * PopupMenuCB: callback triggered by the intf-popupmenu playlist variable.
 292  *  We don't show the menu directly here because we don't want the
 293  *  caller to block for a too long time.
 294  *****************************************************************************/
 295 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
 296                         vlc_value_t old_val, vlc_value_t new_val, void *param )
 297 {
 298     intf_thread_t *p_intf = (intf_thread_t *)param;
 299
 300     p_intf->p_sys->b_popup_change = VLC_TRUE;
 301
 302     return VLC_SUCCESS;
 303 }