git.sesse.net Git - vlc/blob - modules/gui/wxwidgets/video.cpp

   1 /*****************************************************************************
   2  * video.cpp : wxWidgets plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000-2004, 2003 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   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 <vlc/vlc.h>
  28 #include <vlc/vout.h>
  29 #include <vlc/intf.h>
  30
  31 #include "video.hpp"
  32 #include "interface.hpp"
  33
  34 static void *GetWindow( intf_thread_t *p_intf, vout_thread_t *,
  35                         int *pi_x_hint, int *pi_y_hint,
  36                         unsigned int *pi_width_hint,
  37                         unsigned int *pi_height_hint );
  38
  39 static void ReleaseWindow( intf_thread_t *p_intf, void *p_window );
  40
  41 static int ControlWindow( intf_thread_t *p_intf, void *p_window,
  42                           int i_query, va_list args );
  43
  44 /* IDs for the controls and the menu commands */
  45 enum
  46 {
  47     UpdateSize_Event = wxID_HIGHEST + 1,
  48     UpdateHide_Event,
  49     SetStayOnTop_Event,
  50     ID_HIDE_TIMER
  51 };
  52
  53 DEFINE_LOCAL_EVENT_TYPE( wxEVT_VLC_VIDEO );
  54
  55 BEGIN_EVENT_TABLE(VideoWindow, wxWindow)
  56     EVT_CUSTOM( wxEVT_SIZE, UpdateSize_Event, VideoWindow::UpdateSize )
  57     EVT_CUSTOM( wxEVT_SIZE, UpdateHide_Event, VideoWindow::UpdateHide )
  58     EVT_COMMAND( SetStayOnTop_Event, wxEVT_VLC_VIDEO,
  59                  VideoWindow::OnControlEvent )
  60     EVT_TIMER( ID_HIDE_TIMER, VideoWindow::OnHideTimer )
  61 END_EVENT_TABLE()
  62
  63 /*****************************************************************************
  64  * Public methods.
  65  *****************************************************************************/
  66 wxWindow *CreateVideoWindow( intf_thread_t *p_intf, wxWindow *p_parent )
  67 {
  68     return new VideoWindow( p_intf, p_parent );
  69 }
  70
  71 void UpdateVideoWindow( intf_thread_t *p_intf, wxWindow *p_window )
  72 {
  73 #if (wxCHECK_VERSION(2,5,0))
  74     if( p_window && mdate() - ((VideoWindow *)p_window)->i_creation_date < 2000000 )
  75         return; /* Hack to prevent saving coordinates if window is not yet
  76                  * properly created. Yuck :( */
  77
  78     if( p_window && p_intf->p_sys->p_video_sizer && p_window->IsShown() )
  79         p_intf->p_sys->p_video_sizer->SetMinSize( p_window->GetSize() );
  80 #endif
  81 }
  82
  83 /*****************************************************************************
  84  * Constructor.
  85  *****************************************************************************/
  86 VideoWindow::VideoWindow( intf_thread_t *_p_intf, wxWindow *_p_parent ):
  87     wxWindow( _p_parent, -1 )
  88 {
  89     /* Initializations */
  90     p_intf = _p_intf;
  91     p_parent = _p_parent;
  92
  93     vlc_mutex_init( p_intf, &lock );
  94
  95     b_auto_size = config_GetInt( p_intf, "wx-autosize" );
  96
  97     p_vout = NULL;
  98     i_creation_date = 0;
  99     m_hide_timer.SetOwner( this, ID_HIDE_TIMER );
 100
 101     p_intf->pf_request_window = ::GetWindow;
 102     p_intf->pf_release_window = ::ReleaseWindow;
 103     p_intf->pf_control_window = ::ControlWindow;
 104
 105     p_intf->p_sys->p_video_window = this;
 106
 107     wxSize child_size = wxSize(0,0);
 108     if( !b_auto_size )
 109     {
 110         WindowSettings *ws = p_intf->p_sys->p_window_settings;
 111         wxPoint p; bool b_shown;
 112
 113         // Maybe this size should be an option
 114         child_size = wxSize( wxSystemSettings::GetMetric(wxSYS_SCREEN_X) / 2,
 115                              wxSystemSettings::GetMetric(wxSYS_SCREEN_Y) / 2 );
 116
 117         ws->GetSettings( WindowSettings::ID_VIDEO, b_shown, p, child_size );
 118         SetSize( child_size );
 119     }
 120
 121     p_child_window = new wxWindow( this, -1, wxDefaultPosition, child_size );
 122
 123     if( !b_auto_size )
 124     {
 125         SetBackgroundColour( *wxBLACK );
 126         p_child_window->SetBackgroundColour( *wxBLACK );
 127     }
 128
 129     p_child_window->Show();
 130     Show();
 131     b_shown = VLC_TRUE;
 132
 133     p_intf->p_sys->p_video_sizer = new wxBoxSizer( wxHORIZONTAL );
 134 #if (wxCHECK_VERSION(2,5,3))
 135     p_intf->p_sys->p_video_sizer->Add( this, 1, wxEXPAND|wxFIXED_MINSIZE );
 136 #else
 137     p_intf->p_sys->p_video_sizer->Add( this, 1, wxEXPAND );
 138 #endif
 139
 140     ReleaseWindow( NULL );
 141 }
 142
 143 VideoWindow::~VideoWindow()
 144 {
 145     vlc_mutex_lock( &lock );
 146     if( p_vout )
 147     {
 148         if( !p_intf->psz_switch_intf )
 149         {
 150             if( vout_Control( p_vout, VOUT_CLOSE ) != VLC_SUCCESS )
 151                 vout_Control( p_vout, VOUT_REPARENT );
 152         }
 153         else
 154         {
 155             if( vout_Control( p_vout, VOUT_REPARENT ) != VLC_SUCCESS )
 156                 vout_Control( p_vout, VOUT_CLOSE );
 157         }
 158     }
 159
 160     p_intf->pf_request_window = NULL;
 161     p_intf->pf_release_window = NULL;
 162     p_intf->pf_control_window = NULL;
 163     vlc_mutex_unlock( &lock );
 164
 165     if( !b_auto_size )
 166     {
 167         WindowSettings *ws = p_intf->p_sys->p_window_settings;
 168         ws->SetSettings( WindowSettings::ID_VIDEO, true,
 169                          GetPosition(), GetSize() );
 170     }
 171
 172     vlc_mutex_destroy( &lock );
 173 }
 174
 175 /*****************************************************************************
 176  * Private methods.
 177  *****************************************************************************/
 178 static void *GetWindow( intf_thread_t *p_intf, vout_thread_t *p_vout,
 179                         int *pi_x_hint, int *pi_y_hint,
 180                         unsigned int *pi_width_hint,
 181                         unsigned int *pi_height_hint )
 182 {
 183     return p_intf->p_sys->p_video_window->GetWindow( p_vout,
 184                                                      pi_x_hint, pi_y_hint,
 185                                                      pi_width_hint,
 186                                                      pi_height_hint );
 187 }
 188
 189 /* Part of the hack to get the X11 window handle from the GtkWidget */
 190 #ifdef __WXGTK__
 191 extern "C" {
 192 #ifdef __WXGTK20__
 193     int gdk_x11_drawable_get_xid( void * );
 194 #endif
 195     void *gtk_widget_get_parent_window( void * );
 196 }
 197 #endif
 198
 199 void *VideoWindow::GetWindow( vout_thread_t *_p_vout,
 200                               int *pi_x_hint, int *pi_y_hint,
 201                               unsigned int *pi_width_hint,
 202                               unsigned int *pi_height_hint )
 203 {
 204 #if defined(__WXGTK__) || defined(WIN32)
 205     vlc_mutex_lock( &lock );
 206
 207     if( p_vout )
 208     {
 209         vlc_mutex_unlock( &lock );
 210         msg_Dbg( p_intf, "Video window already in use" );
 211         return NULL;
 212     }
 213
 214     p_vout = _p_vout;
 215
 216     wxSizeEvent event( wxSize(*pi_width_hint, *pi_height_hint),
 217                        UpdateSize_Event );
 218     AddPendingEvent( event );
 219     vlc_mutex_unlock( &lock );
 220
 221 #ifdef __WXGTK__
 222     GtkWidget *p_widget = p_child_window->GetHandle();
 223
 224 #ifdef __WXGTK20__
 225     return (void *)gdk_x11_drawable_get_xid(
 226                gtk_widget_get_parent_window( p_widget ) );
 227 #elif defined(__WXGTK__)
 228     return (void *)*(int *)( (char *)gtk_widget_get_parent_window( p_widget )
 229                + 2 * sizeof(void *) );
 230 #endif
 231
 232 #elif defined(WIN32)
 233     return (void*)GetHandle();
 234
 235 #endif
 236
 237 #else // defined(__WXGTK__) || defined(WIN32)
 238     return NULL;
 239
 240 #endif
 241 }
 242
 243 static void ReleaseWindow( intf_thread_t *p_intf, void *p_window )
 244 {
 245     return p_intf->p_sys->p_video_window->ReleaseWindow( p_window );
 246 }
 247
 248 void VideoWindow::ReleaseWindow( void *p_window )
 249 {
 250     vlc_mutex_lock( &lock );
 251     p_vout = NULL;
 252     vlc_mutex_unlock( &lock );
 253
 254     if( !b_auto_size ) return;
 255
 256 #if defined(__WXGTK__) || defined(WIN32)
 257     wxSizeEvent event( wxSize(0, 0), UpdateHide_Event );
 258     AddPendingEvent( event );
 259 #endif
 260 }
 261
 262 void VideoWindow::UpdateSize( wxEvent &_event )
 263 {
 264     m_hide_timer.Stop();
 265
 266     if( !b_auto_size ) return;
 267
 268     wxSizeEvent * event = (wxSizeEvent*)(&_event);
 269     if( !b_shown )
 270     {
 271         p_intf->p_sys->p_video_sizer->Show( this, TRUE );
 272         p_intf->p_sys->p_video_sizer->Layout();
 273         SetFocus();
 274         b_shown = VLC_TRUE;
 275     }
 276
 277     p_intf->p_sys->p_video_sizer->SetMinSize( event->GetSize() );
 278
 279     i_creation_date = mdate();
 280     wxCommandEvent intf_event( wxEVT_INTF, 0 );
 281     p_parent->AddPendingEvent( intf_event );
 282 }
 283
 284 void VideoWindow::UpdateHide( wxEvent &_event )
 285 {
 286     if( b_auto_size ) m_hide_timer.Start( 200, wxTIMER_ONE_SHOT );
 287 }
 288
 289 void VideoWindow::OnHideTimer( wxTimerEvent& WXUNUSED(event))
 290 {
 291     if( b_shown )
 292     {
 293         p_intf->p_sys->p_video_sizer->Show( this, FALSE );
 294         SetSize( 0, 0 );
 295         p_intf->p_sys->p_video_sizer->Layout();
 296         b_shown = VLC_FALSE;
 297     }
 298     p_intf->p_sys->p_video_sizer->SetMinSize( wxSize(0,0) );
 299
 300     wxCommandEvent intf_event( wxEVT_INTF, 0 );
 301     p_parent->AddPendingEvent( intf_event );
 302 }
 303
 304 void VideoWindow::OnControlEvent( wxCommandEvent &event )
 305 {
 306     switch( event.GetId() )
 307     {
 308     case SetStayOnTop_Event:
 309         wxCommandEvent intf_event( wxEVT_INTF, 1 );
 310         intf_event.SetInt( event.GetInt() );
 311         p_parent->AddPendingEvent( intf_event );
 312         break;
 313     }
 314 }
 315
 316 static int ControlWindow( intf_thread_t *p_intf, void *p_window,
 317                           int i_query, va_list args )
 318 {
 319     return p_intf->p_sys->p_video_window->ControlWindow( p_window, i_query,
 320                                                          args );
 321 }
 322
 323 int VideoWindow::ControlWindow( void *p_window, int i_query, va_list args )
 324 {
 325     int i_ret = VLC_EGENERIC;
 326
 327     vlc_mutex_lock( &lock );
 328
 329     switch( i_query )
 330     {
 331         case VOUT_GET_SIZE:
 332         {
 333             unsigned int *pi_width  = va_arg( args, unsigned int * );
 334             unsigned int *pi_height = va_arg( args, unsigned int * );
 335
 336             *pi_width = GetSize().GetWidth();
 337             *pi_height = GetSize().GetHeight();
 338             i_ret = VLC_SUCCESS;
 339         }
 340         break;
 341
 342         case VOUT_SET_SIZE:
 343         {
 344             if( !b_auto_size ) break;
 345
 346             unsigned int i_width  = va_arg( args, unsigned int );
 347             unsigned int i_height = va_arg( args, unsigned int );
 348
 349             vlc_mutex_lock( &lock );
 350             if( !i_width && p_vout ) i_width = p_vout->i_window_width;
 351             if( !i_height && p_vout ) i_height = p_vout->i_window_height;
 352             vlc_mutex_unlock( &lock );
 353
 354             /* Update dimensions */
 355             wxSizeEvent event( wxSize( i_width, i_height ), UpdateSize_Event );
 356
 357             AddPendingEvent( event );
 358
 359             i_ret = VLC_SUCCESS;
 360         }
 361         break;
 362
 363         case VOUT_SET_STAY_ON_TOP:
 364         {
 365             int i_arg = va_arg( args, int );
 366             wxCommandEvent event( wxEVT_VLC_VIDEO, SetStayOnTop_Event );
 367             event.SetInt( i_arg );
 368             AddPendingEvent( event );
 369
 370             i_ret = VLC_SUCCESS;
 371         }
 372         break;
 373
 374         default:
 375             msg_Dbg( p_intf, "control query not supported" );
 376             break;
 377     }
 378
 379     vlc_mutex_unlock( &lock );
 380
 381     return i_ret;
 382 }