git.sesse.net Git - vlc/blob - modules/video_output/msw/common.c

   1 /*****************************************************************************
   2  * common.c:
   3  *****************************************************************************
   4  * Copyright (C) 2001-2009 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 /*****************************************************************************
  26  * Preamble: This file contains the functions related to the creation of
  27  *             a window and the handling of its messages (events).
  28  *****************************************************************************/
  29 #ifdef HAVE_CONFIG_H
  30 # include "config.h"
  31 #endif
  32
  33 #include <errno.h>                                                 /* ENOMEM */
  34 #include <ctype.h>                                              /* tolower() */
  35
  36 #ifndef _WIN32_WINNT
  37 #   define _WIN32_WINNT 0x0500
  38 #endif
  39
  40 #include <vlc_common.h>
  41 #include <vlc_interface.h>
  42 #include <vlc_playlist.h>
  43 #include <vlc_vout.h>
  44 #include <vlc_vout_window.h>
  45
  46 #include <windows.h>
  47 #include <tchar.h>
  48 #include <windowsx.h>
  49 #include <shellapi.h>
  50
  51 #ifdef MODULE_NAME_IS_directx
  52 #include <ddraw.h>
  53 #endif
  54 #ifdef MODULE_NAME_IS_direct3d
  55 #include <d3d9.h>
  56 #endif
  57 #ifdef MODULE_NAME_IS_glwin32
  58 #include <GL/gl.h>
  59 #endif
  60
  61 #include <vlc_keys.h>
  62 #include "vout.h"
  63
  64 #ifndef UNDER_CE
  65 #include <vlc_windows_interfaces.h>
  66 #endif
  67
  68 #ifdef UNDER_CE
  69 #include <aygshell.h>
  70     //WINSHELLAPI BOOL WINAPI SHFullScreen(HWND hwndRequester, DWORD dwState);
  71 #endif
  72
  73 static int vaControlParentWindow( vout_thread_t *, int, va_list );
  74
  75 /* */
  76 int CommonInit( vout_thread_t *p_vout )
  77 {
  78     vout_sys_t *p_sys = p_vout->p_sys;
  79
  80     p_sys->hwnd      = NULL;
  81     p_sys->hvideownd = NULL;
  82     p_sys->hparent   = NULL;
  83     p_sys->hfswnd    = NULL;
  84     p_sys->i_changes = 0;
  85     SetRectEmpty( &p_sys->rect_display );
  86     SetRectEmpty( &p_sys->rect_parent );
  87
  88     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
  89
  90     /* Set main window's size */
  91     vout_window_cfg_t wnd_cfg;
  92
  93     memset( &wnd_cfg, 0, sizeof(wnd_cfg) );
  94     wnd_cfg.type   = VOUT_WINDOW_TYPE_HWND;
  95     wnd_cfg.x      = 0;
  96     wnd_cfg.y      = 0;
  97     wnd_cfg.width  = p_vout->i_window_width;
  98     wnd_cfg.height = p_vout->i_window_height;
  99
 100     p_sys->p_event = EventThreadCreate( p_vout, &wnd_cfg );
 101     if( !p_sys->p_event )
 102         return VLC_EGENERIC;
 103
 104     event_cfg_t cfg;
 105     memset(&cfg, 0, sizeof(cfg));
 106 #ifdef MODULE_NAME_IS_direct3d
 107     cfg.use_desktop = p_vout->p_sys->b_desktop;
 108 #endif
 109 #ifdef MODULE_NAME_IS_directx
 110     cfg.use_overlay = p_vout->p_sys->b_using_overlay;
 111 #endif
 112     event_hwnd_t hwnd;
 113     if( EventThreadStart( p_sys->p_event, &hwnd, &cfg ) )
 114         return VLC_EGENERIC;
 115
 116     p_sys->parent_window = hwnd.parent_window;
 117     p_sys->hparent       = hwnd.hparent;
 118     p_sys->hwnd          = hwnd.hwnd;
 119     p_sys->hvideownd     = hwnd.hvideownd;
 120     p_sys->hfswnd        = hwnd.hfswnd;
 121
 122     /* Variable to indicate if the window should be on top of others */
 123     /* Trigger a callback right now */
 124     var_TriggerCallback( p_vout, "video-on-top" );
 125
 126     /* Why not with glwin32 */
 127 #if !defined(UNDER_CE) && !defined(MODULE_NAME_IS_glwin32)
 128     var_Create( p_vout, "disable-screensaver", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 129     DisableScreensaver ( p_vout );
 130 #endif
 131
 132     return VLC_SUCCESS;
 133 }
 134
 135 /* */
 136 void CommonClean( vout_thread_t *p_vout )
 137 {
 138     vout_sys_t *p_sys = p_vout->p_sys;
 139
 140     ExitFullscreen( p_vout );
 141     if( p_sys->p_event )
 142     {
 143         EventThreadStop( p_sys->p_event );
 144         EventThreadDestroy( p_sys->p_event );
 145     }
 146
 147 #if !defined(UNDER_CE) && !defined(MODULE_NAME_IS_glwin32)
 148     RestoreScreensaver( p_vout );
 149 #endif
 150 }
 151
 152 void CommonManage( vout_thread_t *p_vout )
 153 {
 154     /* If we do not control our window, we check for geometry changes
 155      * ourselves because the parent might not send us its events. */
 156     if( p_vout->p_sys->hparent && !p_vout->b_fullscreen )
 157     {
 158         RECT rect_parent;
 159         POINT point;
 160
 161         GetClientRect( p_vout->p_sys->hparent, &rect_parent );
 162         point.x = point.y = 0;
 163         ClientToScreen( p_vout->p_sys->hparent, &point );
 164         OffsetRect( &rect_parent, point.x, point.y );
 165
 166         if( !EqualRect( &rect_parent, &p_vout->p_sys->rect_parent ) )
 167         {
 168             p_vout->p_sys->rect_parent = rect_parent;
 169
 170             /* FIXME I find such #ifdef quite weirds. Are they really needed ? */
 171
 172 #if defined(MODULE_NAME_IS_direct3d)
 173             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 174                           rect_parent.right - rect_parent.left,
 175                           rect_parent.bottom - rect_parent.top,
 176                           SWP_NOZORDER );
 177             UpdateRects( p_vout, true );
 178 #else
 179             /* This one is to force the update even if only
 180              * the position has changed */
 181             SetWindowPos( p_vout->p_sys->hwnd, 0, 1, 1,
 182                           rect_parent.right - rect_parent.left,
 183                           rect_parent.bottom - rect_parent.top, 0 );
 184
 185             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 186                           rect_parent.right - rect_parent.left,
 187                           rect_parent.bottom - rect_parent.top, 0 );
 188
 189 #if defined(MODULE_NAME_IS_wingdi) || defined(MODULE_NAME_IS_wingapi)
 190             unsigned int i_x, i_y, i_width, i_height;
 191             vout_PlacePicture( p_vout, rect_parent.right - rect_parent.left,
 192                                rect_parent.bottom - rect_parent.top,
 193                                &i_x, &i_y, &i_width, &i_height );
 194
 195             SetWindowPos( p_vout->p_sys->hvideownd, HWND_TOP,
 196                           i_x, i_y, i_width, i_height, 0 );
 197 #endif
 198 #endif
 199         }
 200     }
 201
 202     /* */
 203     p_vout->p_sys->i_changes |= EventThreadRetreiveChanges( p_vout->p_sys->p_event );
 204
 205     /* autoscale toggle */
 206     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
 207     {
 208         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
 209
 210         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
 211         p_vout->i_zoom = (int) ZOOM_FP_FACTOR;
 212
 213         UpdateRects( p_vout, true );
 214     }
 215
 216     /* scaling factor */
 217     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
 218     {
 219         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
 220
 221         p_vout->b_autoscale = false;
 222         p_vout->i_zoom =
 223             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
 224         UpdateRects( p_vout, true );
 225     }
 226
 227     /* Check for cropping / aspect changes */
 228     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
 229         p_vout->i_changes & VOUT_ASPECT_CHANGE )
 230     {
 231         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 232         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 233
 234         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
 235         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
 236         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
 237         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
 238         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
 239         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
 240         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
 241         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
 242         UpdateRects( p_vout, true );
 243     }
 244
 245     /* We used to call the Win32 PeekMessage function here to read the window
 246      * messages. But since window can stay blocked into this function for a
 247      * long time (for example when you move your window on the screen), I
 248      * decided to isolate PeekMessage in another thread. */
 249
 250     /*
 251      * Fullscreen change
 252      */
 253     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE
 254         || p_vout->p_sys->i_changes & VOUT_FULLSCREEN_CHANGE )
 255     {
 256         Win32ToggleFullscreen( p_vout );
 257
 258         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 259         p_vout->p_sys->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 260     }
 261
 262     /*
 263      * Pointer change
 264      */
 265     EventThreadMouseAutoHide( p_vout->p_sys->p_event );
 266
 267     /*
 268      * "Always on top" status change
 269      */
 270     if( p_vout->p_sys->b_on_top_change )
 271     {
 272         HMENU hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
 273         bool b = var_GetBool( p_vout, "video-on-top" );
 274
 275         /* Set the window on top if necessary */
 276         if( b && !( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 277                            & WS_EX_TOPMOST ) )
 278         {
 279             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 280                            MF_BYCOMMAND | MFS_CHECKED );
 281             SetWindowPos( p_vout->p_sys->hwnd, HWND_TOPMOST, 0, 0, 0, 0,
 282                           SWP_NOSIZE | SWP_NOMOVE );
 283         }
 284         else
 285         /* The window shouldn't be on top */
 286         if( !b && ( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 287                            & WS_EX_TOPMOST ) )
 288         {
 289             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 290                            MF_BYCOMMAND | MFS_UNCHECKED );
 291             SetWindowPos( p_vout->p_sys->hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
 292                           SWP_NOSIZE | SWP_NOMOVE );
 293         }
 294
 295         p_vout->p_sys->b_on_top_change = false;
 296     }
 297 }
 298
 299 /*****************************************************************************
 300  * UpdateRects: update clipping rectangles
 301  *****************************************************************************
 302  * This function is called when the window position or size are changed, and
 303  * its job is to update the source and destination RECTs used to display the
 304  * picture.
 305  *****************************************************************************/
 306 void UpdateRects( vout_thread_t *p_vout, bool b_force )
 307 {
 308 #define rect_src p_vout->p_sys->rect_src
 309 #define rect_src_clipped p_vout->p_sys->rect_src_clipped
 310 #define rect_dest p_vout->p_sys->rect_dest
 311 #define rect_dest_clipped p_vout->p_sys->rect_dest_clipped
 312
 313     unsigned int i_width, i_height, i_x, i_y;
 314
 315     RECT  rect;
 316     POINT point;
 317
 318     /* Retrieve the window size */
 319     GetClientRect( p_vout->p_sys->hwnd, &rect );
 320
 321     /* Retrieve the window position */
 322     point.x = point.y = 0;
 323     ClientToScreen( p_vout->p_sys->hwnd, &point );
 324
 325     /* If nothing changed, we can return */
 326     bool b_changed;
 327     EventThreadUpdateWindowPosition( p_vout->p_sys->p_event, &b_changed,
 328                                      point.x, point.y,
 329                                      rect.right, rect.bottom );
 330     if( !b_force && !b_changed )
 331         return;
 332
 333     /* Update the window position and size */
 334     vout_PlacePicture( p_vout, rect.right, rect.bottom,
 335                        &i_x, &i_y, &i_width, &i_height );
 336
 337     if( p_vout->p_sys->hvideownd )
 338         SetWindowPos( p_vout->p_sys->hvideownd, 0,
 339                       i_x, i_y, i_width, i_height,
 340                       SWP_NOCOPYBITS|SWP_NOZORDER|SWP_ASYNCWINDOWPOS );
 341
 342     /* Destination image position and dimensions */
 343     rect_dest.left = point.x + i_x;
 344     rect_dest.right = rect_dest.left + i_width;
 345     rect_dest.top = point.y + i_y;
 346     rect_dest.bottom = rect_dest.top + i_height;
 347
 348 #ifdef MODULE_NAME_IS_directx
 349     /* Apply overlay hardware constraints */
 350     if( p_vout->p_sys->b_using_overlay )
 351     {
 352         if( p_vout->p_sys->i_align_dest_boundary )
 353             rect_dest.left = ( rect_dest.left +
 354                 p_vout->p_sys->i_align_dest_boundary / 2 ) &
 355                 ~p_vout->p_sys->i_align_dest_boundary;
 356
 357         if( p_vout->p_sys->i_align_dest_size )
 358             rect_dest.right = (( rect_dest.right - rect_dest.left +
 359                 p_vout->p_sys->i_align_dest_size / 2 ) &
 360                 ~p_vout->p_sys->i_align_dest_size) + rect_dest.left;
 361     }
 362
 363     /* UpdateOverlay directdraw function doesn't automatically clip to the
 364      * display size so we need to do it otherwise it will fail */
 365
 366     /* Clip the destination window */
 367     if( !IntersectRect( &rect_dest_clipped, &rect_dest,
 368                         &p_vout->p_sys->rect_display ) )
 369     {
 370         SetRectEmpty( &rect_src_clipped );
 371         return;
 372     }
 373
 374 #ifndef NDEBUG
 375     msg_Dbg( p_vout, "DirectXUpdateRects image_dst_clipped coords:"
 376                      " %li,%li,%li,%li",
 377                      rect_dest_clipped.left, rect_dest_clipped.top,
 378                      rect_dest_clipped.right, rect_dest_clipped.bottom );
 379 #endif
 380
 381 #else /* MODULE_NAME_IS_directx */
 382
 383     /* AFAIK, there are no clipping constraints in Direct3D, OpenGL and GDI */
 384     rect_dest_clipped = rect_dest;
 385
 386 #endif
 387
 388     /* the 2 following lines are to fix a bug when clicking on the desktop */
 389     if( (rect_dest_clipped.right - rect_dest_clipped.left)==0 ||
 390         (rect_dest_clipped.bottom - rect_dest_clipped.top)==0 )
 391     {
 392         SetRectEmpty( &rect_src_clipped );
 393         return;
 394     }
 395
 396     /* src image dimensions */
 397     rect_src.left = 0;
 398     rect_src.top = 0;
 399     rect_src.right = p_vout->render.i_width;
 400     rect_src.bottom = p_vout->render.i_height;
 401
 402     /* Clip the source image */
 403     rect_src_clipped.left = p_vout->fmt_out.i_x_offset +
 404       (rect_dest_clipped.left - rect_dest.left) *
 405       p_vout->fmt_out.i_visible_width / (rect_dest.right - rect_dest.left);
 406     rect_src_clipped.right = p_vout->fmt_out.i_x_offset +
 407       p_vout->fmt_out.i_visible_width -
 408       (rect_dest.right - rect_dest_clipped.right) *
 409       p_vout->fmt_out.i_visible_width / (rect_dest.right - rect_dest.left);
 410     rect_src_clipped.top = p_vout->fmt_out.i_y_offset +
 411       (rect_dest_clipped.top - rect_dest.top) *
 412       p_vout->fmt_out.i_visible_height / (rect_dest.bottom - rect_dest.top);
 413     rect_src_clipped.bottom = p_vout->fmt_out.i_y_offset +
 414       p_vout->fmt_out.i_visible_height -
 415       (rect_dest.bottom - rect_dest_clipped.bottom) *
 416       p_vout->fmt_out.i_visible_height / (rect_dest.bottom - rect_dest.top);
 417
 418 #ifdef MODULE_NAME_IS_directx
 419     /* Apply overlay hardware constraints */
 420     if( p_vout->p_sys->b_using_overlay )
 421     {
 422         if( p_vout->p_sys->i_align_src_boundary )
 423             rect_src_clipped.left = ( rect_src_clipped.left +
 424                 p_vout->p_sys->i_align_src_boundary / 2 ) &
 425                 ~p_vout->p_sys->i_align_src_boundary;
 426
 427         if( p_vout->p_sys->i_align_src_size )
 428             rect_src_clipped.right = (( rect_src_clipped.right -
 429                 rect_src_clipped.left +
 430                 p_vout->p_sys->i_align_src_size / 2 ) &
 431                 ~p_vout->p_sys->i_align_src_size) + rect_src_clipped.left;
 432     }
 433 #endif
 434
 435 #ifndef NDEBUG
 436     msg_Dbg( p_vout, "DirectXUpdateRects image_src_clipped"
 437                      " coords: %li,%li,%li,%li",
 438                      rect_src_clipped.left, rect_src_clipped.top,
 439                      rect_src_clipped.right, rect_src_clipped.bottom );
 440 #endif
 441
 442 #ifdef MODULE_NAME_IS_directx
 443     /* The destination coordinates need to be relative to the current
 444      * directdraw primary surface (display) */
 445     rect_dest_clipped.left -= p_vout->p_sys->rect_display.left;
 446     rect_dest_clipped.right -= p_vout->p_sys->rect_display.left;
 447     rect_dest_clipped.top -= p_vout->p_sys->rect_display.top;
 448     rect_dest_clipped.bottom -= p_vout->p_sys->rect_display.top;
 449
 450     if( p_vout->p_sys->b_using_overlay )
 451         DirectDrawUpdateOverlay( p_vout );
 452 #endif
 453
 454 #ifndef UNDER_CE
 455     /* Windows 7 taskbar thumbnail code */
 456     LPTASKBARLIST3 p_taskbl;
 457     OSVERSIONINFO winVer;
 458     winVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 459     if( GetVersionEx(&winVer) && winVer.dwMajorVersion > 5 )
 460     {
 461         CoInitialize( 0 );
 462
 463         if( S_OK == CoCreateInstance( &clsid_ITaskbarList,
 464                     NULL, CLSCTX_INPROC_SERVER,
 465                     &IID_ITaskbarList3,
 466                     &p_taskbl) )
 467         {
 468             RECT rect_video, rect_parent, rect_relative;
 469             HWND hroot = GetAncestor(p_vout->p_sys->hwnd,GA_ROOT);
 470
 471             p_taskbl->vt->HrInit(p_taskbl);
 472             GetWindowRect(p_vout->p_sys->hvideownd, &rect_video);
 473             GetWindowRect(hroot, &rect_parent);
 474             rect_relative.left = rect_video.left - rect_parent.left - 8;
 475             rect_relative.right = rect_video.right - rect_video.left + rect_relative.left;
 476             rect_relative.top = rect_video.top - rect_parent.top - 10;
 477             rect_relative.bottom = rect_video.bottom - rect_video.top + rect_relative.top - 25;
 478
 479             if (S_OK != p_taskbl->vt->SetThumbnailClip(p_taskbl, hroot, &rect_relative))
 480                 msg_Err( p_vout, "SetThumbNailClip failed");
 481
 482             p_taskbl->vt->Release(p_taskbl);
 483         }
 484         CoUninitialize();
 485     }
 486 #endif
 487     /* Signal the change in size/position */
 488     p_vout->p_sys->i_changes |= DX_POSITION_CHANGE;
 489
 490 #undef rect_src
 491 #undef rect_src_clipped
 492 #undef rect_dest
 493 #undef rect_dest_clipped
 494 }
 495
 496 /*****************************************************************************
 497  * Control: control facility for the vout
 498  *****************************************************************************/
 499 int Control( vout_thread_t *p_vout, int i_query, va_list args )
 500 {
 501     RECT rect_window;
 502
 503     switch( i_query )
 504     {
 505     case VOUT_SET_SIZE:
 506         if( p_vout->p_sys->parent_window )
 507             return vaControlParentWindow( p_vout, i_query, args );
 508
 509         /* Update dimensions */
 510         rect_window.top = rect_window.left = 0;
 511         rect_window.right  = va_arg( args, unsigned int );
 512         rect_window.bottom = va_arg( args, unsigned int );
 513         if( !rect_window.right ) rect_window.right = p_vout->i_window_width;
 514         if( !rect_window.bottom ) rect_window.bottom = p_vout->i_window_height;
 515         AdjustWindowRect( &rect_window, EventThreadGetWindowStyle( p_vout->p_sys->p_event ), 0 );
 516
 517         SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 518                       rect_window.right - rect_window.left,
 519                       rect_window.bottom - rect_window.top, SWP_NOMOVE );
 520
 521         return VLC_SUCCESS;
 522
 523     case VOUT_SET_STAY_ON_TOP:
 524         if( p_vout->p_sys->hparent && !var_GetBool( p_vout, "fullscreen" ) )
 525             return vaControlParentWindow( p_vout, i_query, args );
 526
 527         p_vout->p_sys->b_on_top_change = true;
 528         return VLC_SUCCESS;
 529
 530     default:
 531         return VLC_EGENERIC;
 532     }
 533 }
 534
 535
 536 /* Internal wrapper over GetWindowPlacement */
 537 static WINDOWPLACEMENT getWindowState(HWND hwnd)
 538 {
 539     WINDOWPLACEMENT window_placement;
 540     window_placement.length = sizeof(WINDOWPLACEMENT);
 541     GetWindowPlacement( hwnd, &window_placement );
 542     return window_placement;
 543 }
 544
 545 /* Internal wrapper to call vout_ControlWindow for hparent */
 546 static int vaControlParentWindow( vout_thread_t *p_vout, int i_query,
 547                                    va_list args )
 548 {
 549     switch( i_query )
 550     {
 551     case VOUT_SET_SIZE:
 552     {
 553         const unsigned i_width  = va_arg(args, unsigned);
 554         const unsigned i_height = va_arg(args, unsigned);
 555         return vout_window_SetSize( p_vout->p_sys->parent_window, i_width, i_height );
 556     }
 557     case VOUT_SET_STAY_ON_TOP:
 558     {
 559         const bool is_on_top = va_arg(args, int);
 560         return vout_window_SetOnTop( p_vout->p_sys->parent_window, is_on_top );
 561     }
 562     default:
 563         return VLC_EGENERIC;
 564     }
 565 }
 566
 567 #if 0
 568 static int ControlParentWindow( vout_thread_t *p_vout, int i_query, ... )
 569 {
 570     va_list args;
 571     int ret;
 572
 573     va_start( args, i_query );
 574     ret = vaControlParentWindow( p_vout, i_query, args );
 575     va_end( args );
 576     return ret;
 577 }
 578 #endif
 579
 580 void ExitFullscreen( vout_thread_t *p_vout )
 581 {
 582     if( p_vout->b_fullscreen )
 583     {
 584         msg_Dbg( p_vout, "Quitting fullscreen" );
 585         Win32ToggleFullscreen( p_vout );
 586         /* Force fullscreen in the core for the next video */
 587         var_SetBool( p_vout, "fullscreen", true );
 588     }
 589 }
 590
 591 void Win32ToggleFullscreen( vout_thread_t *p_vout )
 592 {
 593     HWND hwnd = (p_vout->p_sys->hparent && p_vout->p_sys->hfswnd) ?
 594         p_vout->p_sys->hfswnd : p_vout->p_sys->hwnd;
 595
 596     /* Save the current windows placement/placement to restore
 597        when fullscreen is over */
 598     WINDOWPLACEMENT window_placement = getWindowState( hwnd );
 599
 600     p_vout->b_fullscreen = ! p_vout->b_fullscreen;
 601
 602     /* We want to go to Fullscreen */
 603     if( p_vout->b_fullscreen )
 604     {
 605         msg_Dbg( p_vout, "entering fullscreen mode" );
 606
 607         /* Change window style, no borders and no title bar */
 608         int i_style = WS_CLIPCHILDREN | WS_VISIBLE;
 609         SetWindowLong( hwnd, GWL_STYLE, i_style );
 610
 611         if( p_vout->p_sys->hparent )
 612         {
 613 #ifdef UNDER_CE
 614             POINT point = {0,0};
 615             RECT rect;
 616             ClientToScreen( p_vout->p_sys->hwnd, &point );
 617             GetClientRect( p_vout->p_sys->hwnd, &rect );
 618             SetWindowPos( hwnd, 0, point.x, point.y,
 619                           rect.right, rect.bottom,
 620                           SWP_NOZORDER|SWP_FRAMECHANGED );
 621 #else
 622             /* Retrieve current window position so fullscreen will happen
 623             *on the right screen */
 624             HMONITOR hmon = MonitorFromWindow(p_vout->p_sys->hparent,
 625                                             MONITOR_DEFAULTTONEAREST);
 626             MONITORINFO mi;
 627             mi.cbSize = sizeof(MONITORINFO);
 628             if (GetMonitorInfo(hmon, &mi))
 629             SetWindowPos( hwnd, 0,
 630                             mi.rcMonitor.left,
 631                             mi.rcMonitor.top,
 632                             mi.rcMonitor.right - mi.rcMonitor.left,
 633                             mi.rcMonitor.bottom - mi.rcMonitor.top,
 634                             SWP_NOZORDER|SWP_FRAMECHANGED );
 635 #endif
 636         }
 637         else
 638         {
 639             /* Maximize non embedded window */
 640             ShowWindow( hwnd, SW_SHOWMAXIMIZED );
 641         }
 642
 643         if( p_vout->p_sys->hparent )
 644         {
 645             /* Hide the previous window */
 646             RECT rect;
 647             GetClientRect( hwnd, &rect );
 648             SetParent( p_vout->p_sys->hwnd, hwnd );
 649             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 650                           rect.right, rect.bottom,
 651                           SWP_NOZORDER|SWP_FRAMECHANGED );
 652
 653 #ifdef UNDER_CE
 654             HWND topLevelParent = GetParent( p_vout->p_sys->hparent );
 655 #else
 656             HWND topLevelParent = GetAncestor( p_vout->p_sys->hparent, GA_ROOT );
 657 #endif
 658             ShowWindow( topLevelParent, SW_HIDE );
 659         }
 660
 661         SetForegroundWindow( hwnd );
 662     }
 663     else
 664     {
 665         msg_Dbg( p_vout, "leaving fullscreen mode" );
 666         /* Change window style, no borders and no title bar */
 667         SetWindowLong( hwnd, GWL_STYLE, EventThreadGetWindowStyle( p_vout->p_sys->p_event ) );
 668
 669         if( p_vout->p_sys->hparent )
 670         {
 671             RECT rect;
 672             GetClientRect( p_vout->p_sys->hparent, &rect );
 673             SetParent( p_vout->p_sys->hwnd, p_vout->p_sys->hparent );
 674             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 675                           rect.right, rect.bottom,
 676                           SWP_NOZORDER|SWP_FRAMECHANGED );
 677
 678 #ifdef UNDER_CE
 679             HWND topLevelParent = GetParent( p_vout->p_sys->hparent );
 680 #else
 681             HWND topLevelParent = GetAncestor( p_vout->p_sys->hparent, GA_ROOT );
 682 #endif
 683             ShowWindow( topLevelParent, SW_SHOW );
 684             SetForegroundWindow( p_vout->p_sys->hparent );
 685             ShowWindow( hwnd, SW_HIDE );
 686         }
 687         else
 688         {
 689             /* return to normal window for non embedded vout */
 690             SetWindowPlacement( hwnd, &window_placement );
 691             ShowWindow( hwnd, SW_SHOWNORMAL );
 692         }
 693
 694         /* Make sure the mouse cursor is displayed */
 695         EventThreadMouseShow( p_vout->p_sys->p_event );
 696     }
 697
 698     /* Update the object variable and trigger callback */
 699     var_SetBool( p_vout, "fullscreen", p_vout->b_fullscreen );
 700 }
 701
 702 #ifndef UNDER_CE
 703 void DisableScreensaver( vout_thread_t *p_vout )
 704 {
 705     /* disable screensaver by temporarily changing system settings */
 706     p_vout->p_sys->i_spi_lowpowertimeout = 0;
 707     p_vout->p_sys->i_spi_powerofftimeout = 0;
 708     p_vout->p_sys->i_spi_screensavetimeout = 0;
 709     if( var_GetBool( p_vout, "disable-screensaver" ) )
 710     {
 711         msg_Dbg(p_vout, "disabling screen saver");
 712         SystemParametersInfo(SPI_GETLOWPOWERTIMEOUT,
 713             0, &(p_vout->p_sys->i_spi_lowpowertimeout), 0);
 714         if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 715             SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT, 0, NULL, 0);
 716         }
 717         SystemParametersInfo(SPI_GETPOWEROFFTIMEOUT, 0,
 718             &(p_vout->p_sys->i_spi_powerofftimeout), 0);
 719         if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 720             SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT, 0, NULL, 0);
 721         }
 722         SystemParametersInfo(SPI_GETSCREENSAVETIMEOUT, 0,
 723             &(p_vout->p_sys->i_spi_screensavetimeout), 0);
 724         if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 725             SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, 0, NULL, 0);
 726         }
 727     }
 728 }
 729
 730 void RestoreScreensaver( vout_thread_t *p_vout )
 731 {
 732     /* restore screensaver system settings */
 733     if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 734         SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT,
 735             p_vout->p_sys->i_spi_lowpowertimeout, NULL, 0);
 736     }
 737     if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 738         SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT,
 739             p_vout->p_sys->i_spi_powerofftimeout, NULL, 0);
 740     }
 741     if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 742         SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT,
 743             p_vout->p_sys->i_spi_screensavetimeout, NULL, 0);
 744     }
 745 }
 746 #endif
 747