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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30
  31 #include <vlc_common.h>
  32 #include <vlc_vout.h>
  33 #include <vlc_interface.h>
  34
  35 #include "video.hpp"
  36 #include "interface.hpp"
  37
  38 static void *GetWindow( intf_thread_t *p_intf, vout_thread_t *,
  39                         int *pi_x_hint, int *pi_y_hint,
  40                         unsigned int *pi_width_hint,
  41                         unsigned int *pi_height_hint );
  42
  43 static void ReleaseWindow( intf_thread_t *p_intf, void *p_window );
  44
  45 static int ControlWindow( intf_thread_t *p_intf, void *p_window,
  46                           int i_query, va_list args );
  47
  48 /* IDs for the controls and the menu commands */
  49 enum
  50 {
  51     UpdateSize_Event = wxID_HIGHEST + 1,
  52     UpdateHide_Event,
  53     SetStayOnTop_Event,
  54     ID_HIDE_TIMER
  55 };
  56
  57 DEFINE_LOCAL_EVENT_TYPE( wxEVT_VLC_VIDEO );
  58
  59 BEGIN_EVENT_TABLE(VideoWindow, wxWindow)
  60     EVT_CUSTOM( wxEVT_SIZE, UpdateSize_Event, VideoWindow::UpdateSize )
  61     EVT_CUSTOM( wxEVT_SIZE, UpdateHide_Event, VideoWindow::UpdateHide )
  62     EVT_COMMAND( SetStayOnTop_Event, wxEVT_VLC_VIDEO,
  63                  VideoWindow::OnControlEvent )
  64     EVT_TIMER( ID_HIDE_TIMER, VideoWindow::OnHideTimer )
  65 END_EVENT_TABLE()
  66
  67 /*****************************************************************************
  68  * Public methods.
  69  *****************************************************************************/
  70 wxWindow *CreateVideoWindow( intf_thread_t *p_intf, wxWindow *p_parent )
  71 {
  72     return new VideoWindow( p_intf, p_parent );
  73 }
  74
  75 void UpdateVideoWindow( intf_thread_t *p_intf, wxWindow *p_window )
  76 {
  77 #if wxCHECK_VERSION(2,5,3)
  78     if( !p_intf->p_sys->b_video_autosize ) return;
  79
  80     if( p_window && mdate() - ((VideoWindow *)p_window)->i_creation_date < 2000000 )
  81         return; /* Hack to prevent saving coordinates if window is not yet
  82                  * properly created. Yuck :( */
  83
  84     if( p_window && p_intf->p_sys->p_video_sizer && p_window->IsShown() )
  85         p_intf->p_sys->p_video_sizer->SetMinSize( p_window->GetSize() );
  86 #endif
  87 }
  88
  89 /*****************************************************************************
  90  * Constructor.
  91  *****************************************************************************/
  92 VideoWindow::VideoWindow( intf_thread_t *_p_intf, wxWindow *_p_parent ):
  93   wxWindow( _p_parent, -1, wxDefaultPosition, wxDefaultSize, wxCLIP_CHILDREN )
  94 {
  95     /* Initializations */
  96     p_intf = _p_intf;
  97     p_parent = _p_parent;
  98     p_child_window = 0;
  99
 100     vlc_mutex_init( &lock );
 101
 102     b_auto_size = p_intf->p_sys->b_video_autosize;
 103
 104     p_vout = NULL;
 105     i_creation_date = 0;
 106     m_hide_timer.SetOwner( this, ID_HIDE_TIMER );
 107
 108     p_intf->pf_request_window = ::GetWindow;
 109     p_intf->pf_release_window = ::ReleaseWindow;
 110     p_intf->pf_control_window = ::ControlWindow;
 111
 112     p_intf->p_sys->p_video_window = this;
 113
 114     wxSize child_size = wxSize(0,0);
 115     if( !b_auto_size )
 116     {
 117         WindowSettings *ws = p_intf->p_sys->p_window_settings;
 118         wxPoint p; bool b_shown;
 119
 120         // Maybe this size should be an option
 121         child_size = wxSize( wxSystemSettings::GetMetric(wxSYS_SCREEN_X) / 2,
 122                              wxSystemSettings::GetMetric(wxSYS_SCREEN_Y) / 2 );
 123
 124         ws->GetSettings( WindowSettings::ID_VIDEO, b_shown, p, child_size );
 125         SetSize( child_size );
 126     }
 127
 128 #ifdef __WXGTK__
 129     p_child_window = new wxWindow( this, -1, wxDefaultPosition, child_size,
 130                                    wxCLIP_CHILDREN );
 131 #endif
 132
 133     if( !b_auto_size )
 134     {
 135         SetBackgroundColour( *wxBLACK );
 136         if( p_child_window ) p_child_window->SetBackgroundColour( *wxBLACK );
 137     }
 138
 139     if( p_child_window ) p_child_window->Show();
 140     Show();
 141     b_shown = true;
 142
 143     p_intf->p_sys->p_video_sizer = new wxBoxSizer( wxHORIZONTAL );
 144 #if (wxCHECK_VERSION(2,5,3))
 145     p_intf->p_sys->p_video_sizer->Add( this, 1, wxEXPAND|wxFIXED_MINSIZE );
 146 #else
 147     p_intf->p_sys->p_video_sizer->Add( this, 1, wxEXPAND );
 148 #endif
 149
 150     ReleaseWindow( NULL );
 151 }
 152
 153 VideoWindow::~VideoWindow()
 154 {
 155     vlc_mutex_lock( &lock );
 156     if( p_vout )
 157     {
 158         if( vout_Control( p_vout, VOUT_CLOSE ) != VLC_SUCCESS )
 159             vout_Control( p_vout, VOUT_REPARENT, 0 );
 160     }
 161
 162     p_intf->pf_request_window = NULL;
 163     p_intf->pf_release_window = NULL;
 164     p_intf->pf_control_window = NULL;
 165     vlc_mutex_unlock( &lock );
 166
 167     if( !b_auto_size )
 168     {
 169         WindowSettings *ws = p_intf->p_sys->p_window_settings;
 170         ws->SetSettings( WindowSettings::ID_VIDEO, true,
 171                          GetPosition(), GetSize() );
 172     }
 173
 174     vlc_mutex_destroy( &lock );
 175 }
 176
 177 /*****************************************************************************
 178  * Private methods.
 179  *****************************************************************************/
 180 static void *GetWindow( intf_thread_t *p_intf, vout_thread_t *p_vout,
 181                         int *pi_x_hint, int *pi_y_hint,
 182                         unsigned int *pi_width_hint,
 183                         unsigned int *pi_height_hint )
 184 {
 185     return p_intf->p_sys->p_video_window->GetWindow( p_vout,
 186                                                      pi_x_hint, pi_y_hint,
 187                                                      pi_width_hint,
 188                                                      pi_height_hint );
 189 }
 190
 191 /* Part of the hack to get the X11 window handle from the GtkWidget */
 192 #ifdef __WXGTK__
 193 extern "C" {
 194 #ifdef __WXGTK20__
 195     int gdk_x11_drawable_get_xid( void * );
 196 #endif
 197     void *gtk_widget_get_parent_window( void * );
 198 }
 199 #endif
 200
 201 void *VideoWindow::GetWindow( vout_thread_t *_p_vout,
 202                               int *pi_x_hint, int *pi_y_hint,
 203                               unsigned int *pi_width_hint,
 204                               unsigned int *pi_height_hint )
 205 {
 206 #if defined(__WXGTK__) || defined(WIN32)
 207     vlc_mutex_lock( &lock );
 208
 209     if( p_vout )
 210     {
 211         vlc_mutex_unlock( &lock );
 212         msg_Dbg( p_intf, "video window already in use" );
 213         return NULL;
 214     }
 215
 216     p_vout = _p_vout;
 217
 218     wxSizeEvent event( wxSize(*pi_width_hint, *pi_height_hint),
 219                        UpdateSize_Event );
 220     AddPendingEvent( event );
 221     vlc_mutex_unlock( &lock );
 222
 223 #ifdef __WXGTK__
 224     GtkWidget *p_widget = p_child_window->GetHandle();
 225
 226 #ifdef __WXGTK20__
 227     return (void *)gdk_x11_drawable_get_xid(
 228                gtk_widget_get_parent_window( p_widget ) );
 229 #elif defined(__WXGTK__)
 230     return (void *)*(int *)( (char *)gtk_widget_get_parent_window( p_widget )
 231                + 2 * sizeof(void *) );
 232 #endif
 233
 234 #elif defined(WIN32)
 235     return (void*)GetHandle();
 236
 237 #endif
 238
 239 #else // defined(__WXGTK__) || defined(WIN32)
 240     return NULL;
 241
 242 #endif
 243 }
 244
 245 static void ReleaseWindow( intf_thread_t *p_intf, void *p_window )
 246 {
 247     return p_intf->p_sys->p_video_window->ReleaseWindow( p_window );
 248 }
 249
 250 void VideoWindow::ReleaseWindow( void *p_window )
 251 {
 252     vlc_mutex_lock( &lock );
 253     p_vout = NULL;
 254     vlc_mutex_unlock( &lock );
 255
 256     if( !b_auto_size ) return;
 257
 258 #if defined(__WXGTK__) || defined(WIN32)
 259     wxSizeEvent event( wxSize(0, 0), UpdateHide_Event );
 260     AddPendingEvent( event );
 261 #endif
 262 }
 263
 264 void VideoWindow::UpdateSize( wxEvent &_event )
 265 {
 266     m_hide_timer.Stop();
 267
 268     if( !b_auto_size ) return;
 269
 270     wxSizeEvent * event = (wxSizeEvent*)(&_event);
 271     if( !b_shown )
 272     {
 273         p_intf->p_sys->p_video_sizer->Show( this, TRUE );
 274         p_intf->p_sys->p_video_sizer->Layout();
 275         SetFocus();
 276         b_shown = true;
 277     }
 278
 279     p_intf->p_sys->p_video_sizer->SetMinSize( event->GetSize() );
 280
 281     i_creation_date = mdate();
 282     wxCommandEvent intf_event( wxEVT_INTF, 0 );
 283     p_parent->AddPendingEvent( intf_event );
 284 }
 285
 286 void VideoWindow::UpdateHide( wxEvent &_event )
 287 {
 288     if( b_auto_size ) m_hide_timer.Start( 200, wxTIMER_ONE_SHOT );
 289 }
 290
 291 void VideoWindow::OnHideTimer( wxTimerEvent& WXUNUSED(event))
 292 {
 293     if( b_shown )
 294     {
 295         p_intf->p_sys->p_video_sizer->Show( this, FALSE );
 296         SetSize( 0, 0 );
 297         p_intf->p_sys->p_video_sizer->Layout();
 298         b_shown = false;
 299     }
 300     p_intf->p_sys->p_video_sizer->SetMinSize( wxSize(0,0) );
 301
 302     wxCommandEvent intf_event( wxEVT_INTF, 0 );
 303     p_parent->AddPendingEvent( intf_event );
 304 }
 305
 306 void VideoWindow::OnControlEvent( wxCommandEvent &event )
 307 {
 308     switch( event.GetId() )
 309     {
 310     case SetStayOnTop_Event:
 311         wxCommandEvent intf_event( wxEVT_INTF, 1 );
 312         intf_event.SetInt( event.GetInt() );
 313         p_parent->AddPendingEvent( intf_event );
 314         break;
 315     }
 316 }
 317
 318 static int ControlWindow( intf_thread_t *p_intf, void *p_window,
 319                           int i_query, va_list args )
 320 {
 321     return p_intf->p_sys->p_video_window->ControlWindow( p_window, i_query,
 322                                                          args );
 323 }
 324
 325 int VideoWindow::ControlWindow( void *p_window, int i_query, va_list args )
 326 {
 327     int i_ret = VLC_EGENERIC;
 328
 329     vlc_mutex_lock( &lock );
 330
 331     switch( i_query )
 332     {
 333         case VOUT_GET_SIZE:
 334         {
 335             unsigned int *pi_width  = va_arg( args, unsigned int * );
 336             unsigned int *pi_height = va_arg( args, unsigned int * );
 337
 338             *pi_width = GetSize().GetWidth();
 339             *pi_height = GetSize().GetHeight();
 340             i_ret = VLC_SUCCESS;
 341         }
 342         break;
 343
 344         case VOUT_SET_SIZE:
 345         {
 346             if( !b_auto_size ) break;
 347
 348             unsigned int i_width  = va_arg( args, unsigned int );
 349             unsigned int i_height = va_arg( args, unsigned int );
 350
 351             if( !i_width && p_vout ) i_width = p_vout->i_window_width;
 352             if( !i_height && p_vout ) i_height = p_vout->i_window_height;
 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 }