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 #include <assert.h>
  33
  34 #include <vlc_common.h>
  35 #include <vlc_vout_display.h>
  36 #include <vlc_vout_window.h>
  37
  38 #include <windows.h>
  39 #include <windowsx.h>
  40 #include <shellapi.h>
  41
  42 #ifdef MODULE_NAME_IS_directx
  43 #include <ddraw.h>
  44 #endif
  45 #ifdef MODULE_NAME_IS_direct3d
  46 #include <d3d9.h>
  47 #endif
  48 #ifdef MODULE_NAME_IS_glwin32
  49 #include "../opengl.h"
  50 #endif
  51
  52 #include "common.h"
  53
  54 #ifndef UNDER_CE
  55 #include <vlc_windows_interfaces.h>
  56 #endif
  57
  58 #ifdef UNDER_CE
  59 #include <aygshell.h>
  60     //WINSHELLAPI BOOL WINAPI SHFullScreen(HWND hwndRequester, DWORD dwState);
  61 #endif
  62
  63 static int CommonControlSetFullscreen(vout_display_t *, bool is_fullscreen);
  64
  65 static void DisableScreensaver(vout_display_t *);
  66 static void RestoreScreensaver(vout_display_t *);
  67
  68 /* */
  69 int CommonInit(vout_display_t *vd)
  70 {
  71     vout_display_sys_t *sys = vd->sys;
  72
  73     sys->hwnd      = NULL;
  74     sys->hvideownd = NULL;
  75     sys->hparent   = NULL;
  76     sys->hfswnd    = NULL;
  77     sys->changes   = 0;
  78     SetRectEmpty(&sys->rect_display);
  79     SetRectEmpty(&sys->rect_parent);
  80     sys->is_first_display = true;
  81     sys->is_on_top = false;
  82
  83     var_Create(vd, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
  84     var_Create(vd, "video-deco", VLC_VAR_BOOL | VLC_VAR_DOINHERIT);
  85
  86     /* FIXME remove mouse hide from msw */
  87     var_Create(vd, "mouse-hide-timeout", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
  88
  89     /* */
  90     sys->event = EventThreadCreate(vd);
  91     if (!sys->event)
  92         return VLC_EGENERIC;
  93
  94     event_cfg_t cfg;
  95     memset(&cfg, 0, sizeof(cfg));
  96 #ifdef MODULE_NAME_IS_direct3d
  97     cfg.use_desktop = sys->use_desktop;
  98 #endif
  99 #ifdef MODULE_NAME_IS_directx
 100     cfg.use_overlay = sys->b_using_overlay;
 101 #endif
 102     cfg.win.type   = VOUT_WINDOW_TYPE_HWND;
 103     cfg.win.x      = 0;
 104     cfg.win.y      = 0;
 105     cfg.win.width  = vd->cfg->display.width;
 106     cfg.win.height = vd->cfg->display.height;
 107
 108     event_hwnd_t hwnd;
 109     if (EventThreadStart(sys->event, &hwnd, &cfg))
 110         return VLC_EGENERIC;
 111
 112     sys->parent_window = hwnd.parent_window;
 113     sys->hparent       = hwnd.hparent;
 114     sys->hwnd          = hwnd.hwnd;
 115     sys->hvideownd     = hwnd.hvideownd;
 116     sys->hfswnd        = hwnd.hfswnd;
 117
 118     if (vd->cfg->is_fullscreen) {
 119         if (CommonControlSetFullscreen(vd, true))
 120             vout_display_SendEventFullscreen(vd, false);
 121     }
 122
 123     /* Why not with glwin32 */
 124 #if !defined(UNDER_CE) && !defined(MODULE_NAME_IS_glwin32)
 125     var_Create(vd, "disable-screensaver", VLC_VAR_BOOL | VLC_VAR_DOINHERIT);
 126     DisableScreensaver (vd);
 127 #endif
 128
 129     return VLC_SUCCESS;
 130 }
 131
 132 /* */
 133 void CommonClean(vout_display_t *vd)
 134 {
 135     vout_display_sys_t *sys = vd->sys;
 136
 137     if (sys->event) {
 138         EventThreadStop(sys->event);
 139         EventThreadDestroy(sys->event);
 140     }
 141
 142 #if !defined(UNDER_CE) && !defined(MODULE_NAME_IS_glwin32)
 143     RestoreScreensaver(vd);
 144 #endif
 145 }
 146
 147 void CommonManage(vout_display_t *vd)
 148 {
 149     vout_display_sys_t *sys = vd->sys;
 150
 151     /* We used to call the Win32 PeekMessage function here to read the window
 152      * messages. But since window can stay blocked into this function for a
 153      * long time (for example when you move your window on the screen), I
 154      * decided to isolate PeekMessage in another thread. */
 155
 156     /* If we do not control our window, we check for geometry changes
 157      * ourselves because the parent might not send us its events. */
 158     if (sys->hparent) {
 159         RECT rect_parent;
 160         POINT point;
 161
 162         GetClientRect(sys->hparent, &rect_parent);
 163         point.x = point.y = 0;
 164         ClientToScreen(sys->hparent, &point);
 165         OffsetRect(&rect_parent, point.x, point.y);
 166
 167         if (!EqualRect(&rect_parent, &sys->rect_parent)) {
 168             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(sys->hwnd, 0, 0, 0,
 174                          rect_parent.right - rect_parent.left,
 175                          rect_parent.bottom - rect_parent.top,
 176                          SWP_NOZORDER);
 177             UpdateRects(vd, NULL, NULL, true);
 178 #else
 179             /* This one is to force the update even if only
 180              * the position has changed */
 181             SetWindowPos(sys->hwnd, 0, 1, 1,
 182                          rect_parent.right - rect_parent.left,
 183                          rect_parent.bottom - rect_parent.top, 0);
 184
 185             SetWindowPos(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(vd, 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(sys->hvideownd, HWND_TOP,
 196                          i_x, i_y, i_width, i_height, 0);
 197 #endif
 198 #endif
 199         }
 200     }
 201
 202     /* */
 203     if (EventThreadGetAndResetHasMoved(sys->event))
 204         UpdateRects(vd, NULL, NULL, false);
 205
 206     /* Pointer change */
 207     EventThreadMouseAutoHide(sys->event);
 208 }
 209
 210 /**
 211  * It ensures that the video window is shown after the first picture
 212  * is displayed.
 213  */
 214 void CommonDisplay(vout_display_t *vd)
 215 {
 216     vout_display_sys_t *sys = vd->sys;
 217
 218     if (!sys->is_first_display)
 219         return;
 220
 221     /* Video window is initially hidden, show it now since we got a
 222      * picture to show.
 223      */
 224     SetWindowPos(sys->hvideownd, 0, 0, 0, 0, 0,
 225                  SWP_ASYNCWINDOWPOS|
 226                  SWP_FRAMECHANGED|
 227                  SWP_SHOWWINDOW|
 228                  SWP_NOMOVE|
 229                  SWP_NOSIZE|
 230                  SWP_NOZORDER);
 231     sys->is_first_display = false;
 232 }
 233
 234 /*****************************************************************************
 235  * UpdateRects: update clipping rectangles
 236  *****************************************************************************
 237  * This function is called when the window position or size are changed, and
 238  * its job is to update the source and destination RECTs used to display the
 239  * picture.
 240  *****************************************************************************/
 241 void UpdateRects(vout_display_t *vd,
 242                   const vout_display_cfg_t *cfg,
 243                   const video_format_t *source,
 244                   bool is_forced)
 245 {
 246     vout_display_sys_t *sys = vd->sys;
 247 #define rect_src sys->rect_src
 248 #define rect_src_clipped sys->rect_src_clipped
 249 #define rect_dest sys->rect_dest
 250 #define rect_dest_clipped sys->rect_dest_clipped
 251
 252     RECT  rect;
 253     POINT point;
 254
 255     /* Retrieve the window size */
 256     GetClientRect(sys->hwnd, &rect);
 257
 258     /* Retrieve the window position */
 259     point.x = point.y = 0;
 260     ClientToScreen(sys->hwnd, &point);
 261
 262     /* If nothing changed, we can return */
 263     bool has_changed;
 264     EventThreadUpdateWindowPosition(sys->event, &has_changed,
 265                                     point.x, point.y,
 266                                     rect.right, rect.bottom);
 267     if (!is_forced && !has_changed)
 268         return;
 269
 270     /* */
 271     if (!cfg)
 272         cfg = vd->cfg;
 273     if (!source)
 274         source = &vd->source;
 275
 276     /* Update the window position and size */
 277     vout_display_cfg_t place_cfg = *cfg;
 278     place_cfg.display.width  = rect.right;
 279     place_cfg.display.height = rect.bottom;
 280
 281     vout_display_place_t place;
 282     vout_display_PlacePicture(&place, source, &place_cfg, true);
 283
 284     EventThreadUpdateSourceAndPlace(sys->event, source, &place);
 285
 286     if (sys->hvideownd)
 287         SetWindowPos(sys->hvideownd, 0,
 288                      place.x, place.y, place.width, place.height,
 289                      SWP_NOCOPYBITS|SWP_NOZORDER|SWP_ASYNCWINDOWPOS);
 290
 291     /* Destination image position and dimensions */
 292 #if defined(MODULE_NAME_IS_direct3d)
 293     rect_dest.left   = 0;
 294     rect_dest.right  = place.width;
 295     rect_dest.top    = 0;
 296     rect_dest.bottom = place.height;
 297 #else
 298     rect_dest.left = point.x + place.x;
 299     rect_dest.right = rect_dest.left + place.width;
 300     rect_dest.top = point.y + place.y;
 301     rect_dest.bottom = rect_dest.top + place.height;
 302
 303 #ifdef MODULE_NAME_IS_directx
 304     /* Apply overlay hardware constraints */
 305     if (sys->b_using_overlay) {
 306         if (sys->i_align_dest_boundary)
 307             rect_dest.left = (rect_dest.left +
 308                               sys->i_align_dest_boundary / 2) &
 309                                         ~sys->i_align_dest_boundary;
 310
 311         if (sys->i_align_dest_size)
 312             rect_dest.right = ((rect_dest.right -
 313                                 rect_dest.left +
 314                                 sys->i_align_dest_size / 2) &
 315                                     ~sys->i_align_dest_size) + rect_dest.left;
 316     }
 317 #endif
 318
 319 #endif
 320
 321 #if defined(MODULE_NAME_IS_directx) || defined(MODULE_NAME_IS_direct3d)
 322     /* UpdateOverlay directdraw function doesn't automatically clip to the
 323      * display size so we need to do it otherwise it will fail
 324      * It is also needed for d3d to avoid exceding our surface size */
 325
 326     /* Clip the destination window */
 327     if (!IntersectRect(&rect_dest_clipped, &rect_dest,
 328                        &sys->rect_display)) {
 329         SetRectEmpty(&rect_src_clipped);
 330         return;
 331     }
 332
 333 #ifndef NDEBUG
 334     msg_Dbg(vd, "DirectXUpdateRects image_dst_clipped coords:"
 335                 " %li,%li,%li,%li",
 336                 rect_dest_clipped.left, rect_dest_clipped.top,
 337                 rect_dest_clipped.right, rect_dest_clipped.bottom);
 338 #endif
 339
 340 #else
 341
 342     /* AFAIK, there are no clipping constraints in Direct3D, OpenGL and GDI */
 343     rect_dest_clipped = rect_dest;
 344
 345 #endif
 346
 347     /* the 2 following lines are to fix a bug when clicking on the desktop */
 348     if ((rect_dest_clipped.right - rect_dest_clipped.left) == 0 ||
 349         (rect_dest_clipped.bottom - rect_dest_clipped.top) == 0) {
 350         SetRectEmpty(&rect_src_clipped);
 351         return;
 352     }
 353
 354     /* src image dimensions */
 355     rect_src.left   = 0;
 356     rect_src.top    = 0;
 357     rect_src.right  = source->i_width;
 358     rect_src.bottom = source->i_height;
 359
 360     /* Clip the source image */
 361     rect_src_clipped.left = source->i_x_offset +
 362       (rect_dest_clipped.left - rect_dest.left) *
 363       source->i_visible_width / (rect_dest.right - rect_dest.left);
 364     rect_src_clipped.right = source->i_x_offset +
 365       source->i_visible_width -
 366       (rect_dest.right - rect_dest_clipped.right) *
 367       source->i_visible_width / (rect_dest.right - rect_dest.left);
 368     rect_src_clipped.top = source->i_y_offset +
 369       (rect_dest_clipped.top - rect_dest.top) *
 370       source->i_visible_height / (rect_dest.bottom - rect_dest.top);
 371     rect_src_clipped.bottom = source->i_y_offset +
 372       source->i_visible_height -
 373       (rect_dest.bottom - rect_dest_clipped.bottom) *
 374       source->i_visible_height / (rect_dest.bottom - rect_dest.top);
 375
 376 #ifdef MODULE_NAME_IS_directx
 377     /* Apply overlay hardware constraints */
 378     if (sys->b_using_overlay) {
 379         if (sys->i_align_src_boundary)
 380             rect_src_clipped.left =
 381                 (rect_src_clipped.left +
 382                  sys->i_align_src_boundary / 2) &
 383                             ~sys->i_align_src_boundary;
 384
 385         if (sys->i_align_src_size)
 386             rect_src_clipped.right =
 387                 ((rect_src_clipped.right - rect_src_clipped.left +
 388                   sys->i_align_src_size / 2) &
 389                             ~sys->i_align_src_size) + rect_src_clipped.left;
 390     }
 391 #elif defined(MODULE_NAME_IS_direct3d)
 392     /* Needed at least with YUV content */
 393     rect_src_clipped.left &= ~1;
 394     rect_src_clipped.right &= ~1;
 395     rect_src_clipped.top &= ~1;
 396     rect_src_clipped.bottom &= ~1;
 397 #endif
 398
 399 #ifndef NDEBUG
 400     msg_Dbg(vd, "DirectXUpdateRects image_src_clipped"
 401                 " coords: %li,%li,%li,%li",
 402                 rect_src_clipped.left, rect_src_clipped.top,
 403                 rect_src_clipped.right, rect_src_clipped.bottom);
 404 #endif
 405
 406 #ifdef MODULE_NAME_IS_directx
 407     /* The destination coordinates need to be relative to the current
 408      * directdraw primary surface (display) */
 409     rect_dest_clipped.left -= sys->rect_display.left;
 410     rect_dest_clipped.right -= sys->rect_display.left;
 411     rect_dest_clipped.top -= sys->rect_display.top;
 412     rect_dest_clipped.bottom -= sys->rect_display.top;
 413
 414     if (sys->b_using_overlay)
 415         DirectDrawUpdateOverlay(vd);
 416 #endif
 417
 418 #ifndef UNDER_CE
 419     /* Windows 7 taskbar thumbnail code */
 420     LPTASKBARLIST3 taskbl;
 421     OSVERSIONINFO winVer;
 422     winVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 423     if (GetVersionEx(&winVer) && winVer.dwMajorVersion > 5) {
 424         CoInitialize(0);
 425
 426         if (S_OK == CoCreateInstance(&clsid_ITaskbarList,
 427                                      NULL, CLSCTX_INPROC_SERVER,
 428                                      &IID_ITaskbarList3,
 429                                      &taskbl)) {
 430             RECT rect_video, rect_parent, rect_relative;
 431             HWND hroot = GetAncestor(sys->hwnd,GA_ROOT);
 432
 433             taskbl->vt->HrInit(taskbl);
 434             GetWindowRect(sys->hvideownd, &rect_video);
 435             GetWindowRect(hroot, &rect_parent);
 436             rect_relative.left = rect_video.left - rect_parent.left - 8;
 437             rect_relative.right = rect_video.right - rect_video.left + rect_relative.left;
 438             rect_relative.top = rect_video.top - rect_parent.top - 10;
 439             rect_relative.bottom = rect_video.bottom - rect_video.top + rect_relative.top - 25;
 440
 441             if (S_OK != taskbl->vt->SetThumbnailClip(taskbl, hroot, &rect_relative))
 442                 msg_Err(vd, "SetThumbNailClip failed");
 443
 444             taskbl->vt->Release(taskbl);
 445         }
 446         CoUninitialize();
 447     }
 448 #endif
 449     /* Signal the change in size/position */
 450     sys->changes |= DX_POSITION_CHANGE;
 451
 452 #undef rect_src
 453 #undef rect_src_clipped
 454 #undef rect_dest
 455 #undef rect_dest_clipped
 456 }
 457
 458 static int CommonControlSetFullscreen(vout_display_t *vd, bool is_fullscreen)
 459 {
 460     vout_display_sys_t *sys = vd->sys;
 461
 462 #ifdef MODULE_NAME_IS_direct3d
 463     if (sys->use_desktop && is_fullscreen)
 464         return VLC_EGENERIC;
 465 #endif
 466
 467     /* */
 468     if (sys->parent_window)
 469         return vout_window_SetFullScreen(sys->parent_window, is_fullscreen);
 470
 471     /* */
 472     HWND hwnd = sys->hparent && sys->hfswnd ? sys->hfswnd : sys->hwnd;
 473
 474     /* Save the current windows placement/placement to restore
 475        when fullscreen is over */
 476     WINDOWPLACEMENT window_placement;
 477     window_placement.length = sizeof(WINDOWPLACEMENT);
 478     GetWindowPlacement(hwnd, &window_placement);
 479
 480     if (is_fullscreen) {
 481         msg_Dbg(vd, "entering fullscreen mode");
 482
 483         /* Change window style, no borders and no title bar */
 484         SetWindowLong(hwnd, GWL_STYLE, WS_CLIPCHILDREN | WS_VISIBLE);
 485
 486         if (sys->hparent) {
 487 #ifdef UNDER_CE
 488             POINT point = {0,0};
 489             RECT rect;
 490             ClientToScreen(sys->hwnd, &point);
 491             GetClientRect(sys->hwnd, &rect);
 492             SetWindowPos(hwnd, 0, point.x, point.y,
 493                          rect.right, rect.bottom,
 494                          SWP_NOZORDER|SWP_FRAMECHANGED);
 495 #else
 496             /* Retrieve current window position so fullscreen will happen
 497             *on the right screen */
 498             HMONITOR hmon = MonitorFromWindow(sys->hparent,
 499                                               MONITOR_DEFAULTTONEAREST);
 500             MONITORINFO mi;
 501             mi.cbSize = sizeof(MONITORINFO);
 502             if (GetMonitorInfo(hmon, &mi))
 503                 SetWindowPos(hwnd, 0,
 504                              mi.rcMonitor.left,
 505                              mi.rcMonitor.top,
 506                              mi.rcMonitor.right - mi.rcMonitor.left,
 507                              mi.rcMonitor.bottom - mi.rcMonitor.top,
 508                              SWP_NOZORDER|SWP_FRAMECHANGED);
 509 #endif
 510         } else {
 511             /* Maximize non embedded window */
 512             ShowWindow(hwnd, SW_SHOWMAXIMIZED);
 513         }
 514
 515         if (sys->hparent) {
 516             /* Hide the previous window */
 517             RECT rect;
 518             GetClientRect(hwnd, &rect);
 519             SetParent(sys->hwnd, hwnd);
 520             SetWindowPos(sys->hwnd, 0, 0, 0,
 521                          rect.right, rect.bottom,
 522                          SWP_NOZORDER|SWP_FRAMECHANGED);
 523
 524 #ifdef UNDER_CE
 525             HWND topLevelParent = GetParent(sys->hparent);
 526 #else
 527             HWND topLevelParent = GetAncestor(sys->hparent, GA_ROOT);
 528 #endif
 529             ShowWindow(topLevelParent, SW_HIDE);
 530         }
 531         SetForegroundWindow(hwnd);
 532     } else {
 533         msg_Dbg(vd, "leaving fullscreen mode");
 534
 535         /* Change window style, no borders and no title bar */
 536         SetWindowLong(hwnd, GWL_STYLE, EventThreadGetWindowStyle(sys->event));
 537
 538         if (sys->hparent) {
 539             RECT rect;
 540             GetClientRect(sys->hparent, &rect);
 541             SetParent(sys->hwnd, sys->hparent);
 542             SetWindowPos(sys->hwnd, 0, 0, 0,
 543                          rect.right, rect.bottom,
 544                          SWP_NOZORDER|SWP_FRAMECHANGED);
 545
 546 #ifdef UNDER_CE
 547             HWND topLevelParent = GetParent(sys->hparent);
 548 #else
 549             HWND topLevelParent = GetAncestor(sys->hparent, GA_ROOT);
 550 #endif
 551             ShowWindow(topLevelParent, SW_SHOW);
 552             SetForegroundWindow(sys->hparent);
 553             ShowWindow(hwnd, SW_HIDE);
 554         } else {
 555             /* return to normal window for non embedded vout */
 556             SetWindowPlacement(hwnd, &window_placement);
 557             ShowWindow(hwnd, SW_SHOWNORMAL);
 558         }
 559
 560         /* Make sure the mouse cursor is displayed */
 561         EventThreadMouseShow(sys->event);
 562     }
 563     return VLC_SUCCESS;
 564 }
 565
 566 int CommonControl(vout_display_t *vd, int query, va_list args)
 567 {
 568     vout_display_sys_t *sys = vd->sys;
 569
 570     switch (query) {
 571     case VOUT_DISPLAY_CHANGE_DISPLAY_SIZE:   /* const vout_display_cfg_t *p_cfg, int is_forced */
 572     case VOUT_DISPLAY_CHANGE_DISPLAY_FILLED: /* const vout_display_cfg_t *p_cfg */
 573     case VOUT_DISPLAY_CHANGE_ZOOM:           /* const vout_display_cfg_t *p_cfg */
 574     case VOUT_DISPLAY_CHANGE_SOURCE_ASPECT:  /* const video_format_t *p_source */
 575     case VOUT_DISPLAY_CHANGE_SOURCE_CROP: {  /* const video_format_t *p_source */
 576         const vout_display_cfg_t *cfg;
 577         const video_format_t *source;
 578         bool  is_forced = true;
 579         if (query == VOUT_DISPLAY_CHANGE_SOURCE_CROP ||
 580             query == VOUT_DISPLAY_CHANGE_SOURCE_ASPECT) {
 581             cfg    = vd->cfg;
 582             source = va_arg(args, const video_format_t *);
 583         } else {
 584             cfg    = va_arg(args, const vout_display_cfg_t *);
 585             source = &vd->source;
 586             if (query == VOUT_DISPLAY_CHANGE_DISPLAY_SIZE)
 587                 is_forced = va_arg(args, int);
 588         }
 589         if (query == VOUT_DISPLAY_CHANGE_DISPLAY_SIZE && is_forced) {
 590             /* Update dimensions */
 591             if (sys->parent_window) {
 592                 vout_window_SetSize(sys->parent_window, cfg->display.width, cfg->display.height);
 593             } else {
 594                 RECT rect_window;
 595                 rect_window.top    = 0;
 596                 rect_window.left   = 0;
 597                 rect_window.right  = cfg->display.width;
 598                 rect_window.bottom = cfg->display.height;
 599                 AdjustWindowRect(&rect_window, EventThreadGetWindowStyle(sys->event), 0);
 600
 601                 SetWindowPos(sys->hwnd, 0, 0, 0,
 602                              rect_window.right - rect_window.left,
 603                              rect_window.bottom - rect_window.top, SWP_NOMOVE);
 604             }
 605         }
 606         UpdateRects(vd, cfg, source, is_forced);
 607         return VLC_SUCCESS;
 608     }
 609     case VOUT_DISPLAY_CHANGE_WINDOW_STATE: {       /* unsigned state */
 610         const unsigned state = va_arg(args, unsigned);
 611         const bool is_on_top = (state & VOUT_WINDOW_STATE_ABOVE) != 0;
 612 #ifdef MODULE_NAME_IS_direct3d
 613         if (sys->use_desktop && is_on_top)
 614             return VLC_EGENERIC;
 615 #endif
 616         if (sys->parent_window) {
 617             if (vout_window_SetState(sys->parent_window, state))
 618                 return VLC_EGENERIC;
 619         } else {
 620             HMENU hMenu = GetSystemMenu(sys->hwnd, FALSE);
 621
 622             if (is_on_top && !(GetWindowLong(sys->hwnd, GWL_EXSTYLE) & WS_EX_TOPMOST)) {
 623                 CheckMenuItem(hMenu, IDM_TOGGLE_ON_TOP, MF_BYCOMMAND | MFS_CHECKED);
 624                 SetWindowPos(sys->hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
 625             } else if (!is_on_top && (GetWindowLong(sys->hwnd, GWL_EXSTYLE) & WS_EX_TOPMOST)) {
 626                 CheckMenuItem(hMenu, IDM_TOGGLE_ON_TOP, MF_BYCOMMAND | MFS_UNCHECKED);
 627                 SetWindowPos(sys->hwnd, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOSIZE|SWP_NOMOVE);
 628             }
 629         }
 630         sys->is_on_top = is_on_top;
 631         return VLC_SUCCESS;
 632     }
 633     case VOUT_DISPLAY_CHANGE_FULLSCREEN: {   /* const vout_display_cfg_t *p_cfg */
 634         const vout_display_cfg_t *cfg = va_arg(args, const vout_display_cfg_t *);
 635         return CommonControlSetFullscreen(vd, cfg->is_fullscreen);
 636     }
 637
 638     case VOUT_DISPLAY_RESET_PICTURES:
 639     case VOUT_DISPLAY_HIDE_MOUSE:
 640         assert(0);
 641     default:
 642         return VLC_EGENERIC;
 643     }
 644 }
 645
 646 #ifndef UNDER_CE
 647 static void DisableScreensaver(vout_display_t *vd)
 648 {
 649     vout_display_sys_t *sys = vd->sys;
 650
 651     /* disable screensaver by temporarily changing system settings */
 652     sys->i_spi_lowpowertimeout = 0;
 653     sys->i_spi_powerofftimeout = 0;
 654     sys->i_spi_screensavetimeout = 0;
 655     if (var_GetBool(vd, "disable-screensaver")) {
 656         msg_Dbg(vd, "disabling screen saver");
 657         SystemParametersInfo(SPI_GETLOWPOWERTIMEOUT, 0,
 658                              &sys->i_spi_lowpowertimeout, 0);
 659         if (0 != sys->i_spi_lowpowertimeout) {
 660             SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT, 0, NULL, 0);
 661         }
 662         SystemParametersInfo(SPI_GETPOWEROFFTIMEOUT, 0,
 663                              &sys->i_spi_powerofftimeout, 0);
 664         if (0 != sys->i_spi_powerofftimeout) {
 665             SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT, 0, NULL, 0);
 666         }
 667         SystemParametersInfo(SPI_GETSCREENSAVETIMEOUT, 0,
 668                              &sys->i_spi_screensavetimeout, 0);
 669         if (0 != sys->i_spi_screensavetimeout) {
 670             SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, 0, NULL, 0);
 671         }
 672     }
 673 }
 674
 675 static void RestoreScreensaver(vout_display_t *vd)
 676 {
 677     vout_display_sys_t *sys = vd->sys;
 678
 679     /* restore screensaver system settings */
 680     if (0 != sys->i_spi_lowpowertimeout) {
 681         SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT,
 682                              sys->i_spi_lowpowertimeout, NULL, 0);
 683     }
 684     if (0 != sys->i_spi_powerofftimeout) {
 685         SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT,
 686                              sys->i_spi_powerofftimeout, NULL, 0);
 687     }
 688     if (0 != sys->i_spi_screensavetimeout) {
 689         SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT,
 690                              sys->i_spi_screensavetimeout, NULL, 0);
 691     }
 692 }
 693 #endif
 694