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

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