git.sesse.net Git - vlc/blob - modules/video_output/msw/common_vo.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 <vlc_common.h>
  34 #include <vlc_vout.h>
  35 #include <vlc_vout_window.h>
  36
  37 #include <windows.h>
  38 #include <windowsx.h>
  39 #include <shellapi.h>
  40
  41 #ifdef MODULE_NAME_IS_directx
  42 #include <ddraw.h>
  43 #endif
  44 #ifdef MODULE_NAME_IS_direct3d
  45 #include <d3d9.h>
  46 #endif
  47 #ifdef MODULE_NAME_IS_glwin32
  48 #include <GL/gl.h>
  49 #endif
  50
  51 #include "vout.h"
  52
  53 #ifndef UNDER_CE
  54 #include <vlc_windows_interfaces.h>
  55 #endif
  56
  57 #ifdef UNDER_CE
  58 #include <aygshell.h>
  59     //WINSHELLAPI BOOL WINAPI SHFullScreen(HWND hwndRequester, DWORD dwState);
  60 #endif
  61
  62 static int vaControlParentWindow( vout_thread_t *, int, va_list );
  63
  64 /* */
  65 int CommonInit( vout_thread_t *p_vout )
  66 {
  67     vout_sys_t *p_sys = p_vout->p_sys;
  68
  69     p_sys->hwnd      = NULL;
  70     p_sys->hvideownd = NULL;
  71     p_sys->hparent   = NULL;
  72     p_sys->hfswnd    = NULL;
  73     p_sys->i_changes = 0;
  74     SetRectEmpty( &p_sys->rect_display );
  75     SetRectEmpty( &p_sys->rect_parent );
  76
  77     var_Create( p_vout, "video-title", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
  78
  79     /* Set main window's size */
  80     vout_window_cfg_t wnd_cfg;
  81
  82     memset( &wnd_cfg, 0, sizeof(wnd_cfg) );
  83     wnd_cfg.type   = VOUT_WINDOW_TYPE_HWND;
  84     wnd_cfg.x      = 0;
  85     wnd_cfg.y      = 0;
  86     wnd_cfg.width  = p_vout->i_window_width;
  87     wnd_cfg.height = p_vout->i_window_height;
  88
  89     p_sys->p_event = EventThreadCreate( p_vout, &wnd_cfg );
  90     if( !p_sys->p_event )
  91         return VLC_EGENERIC;
  92
  93     event_cfg_t cfg;
  94     memset(&cfg, 0, sizeof(cfg));
  95 #ifdef MODULE_NAME_IS_direct3d
  96     cfg.use_desktop = p_vout->p_sys->b_desktop;
  97 #endif
  98 #ifdef MODULE_NAME_IS_directx
  99     cfg.use_overlay = p_vout->p_sys->b_using_overlay;
 100 #endif
 101     event_hwnd_t hwnd;
 102     if( EventThreadStart( p_sys->p_event, &hwnd, &cfg ) )
 103         return VLC_EGENERIC;
 104
 105     p_sys->parent_window = hwnd.parent_window;
 106     p_sys->hparent       = hwnd.hparent;
 107     p_sys->hwnd          = hwnd.hwnd;
 108     p_sys->hvideownd     = hwnd.hvideownd;
 109     p_sys->hfswnd        = hwnd.hfswnd;
 110
 111     /* Variable to indicate if the window should be on top of others */
 112     /* Trigger a callback right now */
 113     var_TriggerCallback( p_vout, "video-on-top" );
 114
 115     /* Why not with glwin32 */
 116 #if !defined(UNDER_CE) && !defined(MODULE_NAME_IS_glwin32)
 117     var_Create( p_vout, "disable-screensaver", VLC_VAR_BOOL | VLC_VAR_DOINHERIT );
 118     DisableScreensaver ( p_vout );
 119 #endif
 120
 121     return VLC_SUCCESS;
 122 }
 123
 124 /* */
 125 void CommonClean( vout_thread_t *p_vout )
 126 {
 127     vout_sys_t *p_sys = p_vout->p_sys;
 128
 129     ExitFullscreen( p_vout );
 130     if( p_sys->p_event )
 131     {
 132         EventThreadStop( p_sys->p_event );
 133         EventThreadDestroy( p_sys->p_event );
 134     }
 135
 136 #if !defined(UNDER_CE) && !defined(MODULE_NAME_IS_glwin32)
 137     RestoreScreensaver( p_vout );
 138 #endif
 139 }
 140
 141 void CommonManage( vout_thread_t *p_vout )
 142 {
 143     /* If we do not control our window, we check for geometry changes
 144      * ourselves because the parent might not send us its events. */
 145     if( p_vout->p_sys->hparent && !p_vout->b_fullscreen )
 146     {
 147         RECT rect_parent;
 148         POINT point;
 149
 150         GetClientRect( p_vout->p_sys->hparent, &rect_parent );
 151         point.x = point.y = 0;
 152         ClientToScreen( p_vout->p_sys->hparent, &point );
 153         OffsetRect( &rect_parent, point.x, point.y );
 154
 155         if( !EqualRect( &rect_parent, &p_vout->p_sys->rect_parent ) )
 156         {
 157             p_vout->p_sys->rect_parent = rect_parent;
 158
 159             /* FIXME I find such #ifdef quite weirds. Are they really needed ? */
 160
 161 #if defined(MODULE_NAME_IS_direct3d)
 162             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 163                           rect_parent.right - rect_parent.left,
 164                           rect_parent.bottom - rect_parent.top,
 165                           SWP_NOZORDER );
 166             UpdateRects( p_vout, true );
 167 #else
 168             /* This one is to force the update even if only
 169              * the position has changed */
 170             SetWindowPos( p_vout->p_sys->hwnd, 0, 1, 1,
 171                           rect_parent.right - rect_parent.left,
 172                           rect_parent.bottom - rect_parent.top, 0 );
 173
 174             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 175                           rect_parent.right - rect_parent.left,
 176                           rect_parent.bottom - rect_parent.top, 0 );
 177
 178 #if defined(MODULE_NAME_IS_wingdi) || defined(MODULE_NAME_IS_wingapi)
 179             unsigned int i_x, i_y, i_width, i_height;
 180             vout_PlacePicture( p_vout, rect_parent.right - rect_parent.left,
 181                                rect_parent.bottom - rect_parent.top,
 182                                &i_x, &i_y, &i_width, &i_height );
 183
 184             SetWindowPos( p_vout->p_sys->hvideownd, HWND_TOP,
 185                           i_x, i_y, i_width, i_height, 0 );
 186 #endif
 187 #endif
 188         }
 189     }
 190
 191     /* */
 192     p_vout->p_sys->i_changes |= EventThreadRetreiveChanges( p_vout->p_sys->p_event );
 193
 194     /* autoscale toggle */
 195     if( p_vout->i_changes & VOUT_SCALE_CHANGE )
 196     {
 197         p_vout->i_changes &= ~VOUT_SCALE_CHANGE;
 198
 199         p_vout->b_autoscale = var_GetBool( p_vout, "autoscale" );
 200         p_vout->i_zoom = (int) ZOOM_FP_FACTOR;
 201
 202         UpdateRects( p_vout, true );
 203     }
 204
 205     /* scaling factor */
 206     if( p_vout->i_changes & VOUT_ZOOM_CHANGE )
 207     {
 208         p_vout->i_changes &= ~VOUT_ZOOM_CHANGE;
 209
 210         p_vout->b_autoscale = false;
 211         p_vout->i_zoom =
 212             (int)( ZOOM_FP_FACTOR * var_GetFloat( p_vout, "scale" ) );
 213         UpdateRects( p_vout, true );
 214     }
 215
 216     /* Check for cropping / aspect changes */
 217     if( p_vout->i_changes & VOUT_CROP_CHANGE ||
 218         p_vout->i_changes & VOUT_ASPECT_CHANGE )
 219     {
 220         p_vout->i_changes &= ~VOUT_CROP_CHANGE;
 221         p_vout->i_changes &= ~VOUT_ASPECT_CHANGE;
 222
 223         p_vout->fmt_out.i_x_offset = p_vout->fmt_in.i_x_offset;
 224         p_vout->fmt_out.i_y_offset = p_vout->fmt_in.i_y_offset;
 225         p_vout->fmt_out.i_visible_width = p_vout->fmt_in.i_visible_width;
 226         p_vout->fmt_out.i_visible_height = p_vout->fmt_in.i_visible_height;
 227         p_vout->fmt_out.i_aspect = p_vout->fmt_in.i_aspect;
 228         p_vout->fmt_out.i_sar_num = p_vout->fmt_in.i_sar_num;
 229         p_vout->fmt_out.i_sar_den = p_vout->fmt_in.i_sar_den;
 230         p_vout->output.i_aspect = p_vout->fmt_in.i_aspect;
 231         UpdateRects( p_vout, true );
 232     }
 233
 234     /* We used to call the Win32 PeekMessage function here to read the window
 235      * messages. But since window can stay blocked into this function for a
 236      * long time (for example when you move your window on the screen), I
 237      * decided to isolate PeekMessage in another thread. */
 238
 239     /*
 240      * Fullscreen change
 241      */
 242     if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE
 243         || p_vout->p_sys->i_changes & VOUT_FULLSCREEN_CHANGE )
 244     {
 245         Win32ToggleFullscreen( p_vout );
 246
 247         p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 248         p_vout->p_sys->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
 249     }
 250
 251     /*
 252      * Pointer change
 253      */
 254     EventThreadMouseAutoHide( p_vout->p_sys->p_event );
 255
 256     /*
 257      * "Always on top" status change
 258      */
 259     if( p_vout->p_sys->b_on_top_change )
 260     {
 261         HMENU hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
 262         bool b = var_GetBool( p_vout, "video-on-top" );
 263
 264         /* Set the window on top if necessary */
 265         if( b && !( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 266                            & WS_EX_TOPMOST ) )
 267         {
 268             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 269                            MF_BYCOMMAND | MFS_CHECKED );
 270             SetWindowPos( p_vout->p_sys->hwnd, HWND_TOPMOST, 0, 0, 0, 0,
 271                           SWP_NOSIZE | SWP_NOMOVE );
 272         }
 273         else
 274         /* The window shouldn't be on top */
 275         if( !b && ( GetWindowLong( p_vout->p_sys->hwnd, GWL_EXSTYLE )
 276                            & WS_EX_TOPMOST ) )
 277         {
 278             CheckMenuItem( hMenu, IDM_TOGGLE_ON_TOP,
 279                            MF_BYCOMMAND | MFS_UNCHECKED );
 280             SetWindowPos( p_vout->p_sys->hwnd, HWND_NOTOPMOST, 0, 0, 0, 0,
 281                           SWP_NOSIZE | SWP_NOMOVE );
 282         }
 283
 284         p_vout->p_sys->b_on_top_change = false;
 285     }
 286 }
 287
 288 /*****************************************************************************
 289  * UpdateRects: update clipping rectangles
 290  *****************************************************************************
 291  * This function is called when the window position or size are changed, and
 292  * its job is to update the source and destination RECTs used to display the
 293  * picture.
 294  *****************************************************************************/
 295 void UpdateRects( vout_thread_t *p_vout, bool b_force )
 296 {
 297 #define rect_src p_vout->p_sys->rect_src
 298 #define rect_src_clipped p_vout->p_sys->rect_src_clipped
 299 #define rect_dest p_vout->p_sys->rect_dest
 300 #define rect_dest_clipped p_vout->p_sys->rect_dest_clipped
 301
 302     unsigned int i_width, i_height, i_x, i_y;
 303
 304     RECT  rect;
 305     POINT point;
 306
 307     /* Retrieve the window size */
 308     GetClientRect( p_vout->p_sys->hwnd, &rect );
 309
 310     /* Retrieve the window position */
 311     point.x = point.y = 0;
 312     ClientToScreen( p_vout->p_sys->hwnd, &point );
 313
 314     /* If nothing changed, we can return */
 315     bool b_changed;
 316     EventThreadUpdateWindowPosition( p_vout->p_sys->p_event, &b_changed,
 317                                      point.x, point.y,
 318                                      rect.right, rect.bottom );
 319     if( !b_force && !b_changed )
 320         return;
 321
 322     /* Update the window position and size */
 323     vout_PlacePicture( p_vout, rect.right, rect.bottom,
 324                        &i_x, &i_y, &i_width, &i_height );
 325
 326     if( p_vout->p_sys->hvideownd )
 327         SetWindowPos( p_vout->p_sys->hvideownd, 0,
 328                       i_x, i_y, i_width, i_height,
 329                       SWP_NOCOPYBITS|SWP_NOZORDER|SWP_ASYNCWINDOWPOS );
 330
 331     /* Destination image position and dimensions */
 332 #if defined(MODULE_NAME_IS_direct3d)
 333     rect_dest.left   = 0;
 334     rect_dest.right  = i_width;
 335     rect_dest.top    = 0;
 336     rect_dest.bottom = i_height;
 337 #else
 338     rect_dest.left = point.x + i_x;
 339     rect_dest.right = rect_dest.left + i_width;
 340     rect_dest.top = point.y + i_y;
 341     rect_dest.bottom = rect_dest.top + i_height;
 342
 343 #ifdef MODULE_NAME_IS_directx
 344     /* Apply overlay hardware constraints */
 345     if( p_vout->p_sys->b_using_overlay )
 346     {
 347         if( p_vout->p_sys->i_align_dest_boundary )
 348             rect_dest.left = ( rect_dest.left +
 349                 p_vout->p_sys->i_align_dest_boundary / 2 ) &
 350                 ~p_vout->p_sys->i_align_dest_boundary;
 351
 352         if( p_vout->p_sys->i_align_dest_size )
 353             rect_dest.right = (( rect_dest.right - rect_dest.left +
 354                 p_vout->p_sys->i_align_dest_size / 2 ) &
 355                 ~p_vout->p_sys->i_align_dest_size) + rect_dest.left;
 356     }
 357 #endif
 358
 359 #endif
 360
 361 #if defined(MODULE_NAME_IS_directx) || defined(MODULE_NAME_IS_direct3d)
 362     /* UpdateOverlay directdraw function doesn't automatically clip to the
 363      * display size so we need to do it otherwise it will fail
 364      * It is also needed for d3d to avoid exceding our surface size */
 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
 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 #elif defined(MODULE_NAME_IS_direct3d)
 434     /* Needed at least with YUV content */
 435     rect_src_clipped.left &= ~1;
 436     rect_src_clipped.right &= ~1;
 437     rect_src_clipped.top &= ~1;
 438     rect_src_clipped.bottom &= ~1;
 439 #endif
 440
 441 #ifndef NDEBUG
 442     msg_Dbg( p_vout, "DirectXUpdateRects image_src_clipped"
 443                      " coords: %li,%li,%li,%li",
 444                      rect_src_clipped.left, rect_src_clipped.top,
 445                      rect_src_clipped.right, rect_src_clipped.bottom );
 446 #endif
 447
 448 #ifdef MODULE_NAME_IS_directx
 449     /* The destination coordinates need to be relative to the current
 450      * directdraw primary surface (display) */
 451     rect_dest_clipped.left -= p_vout->p_sys->rect_display.left;
 452     rect_dest_clipped.right -= p_vout->p_sys->rect_display.left;
 453     rect_dest_clipped.top -= p_vout->p_sys->rect_display.top;
 454     rect_dest_clipped.bottom -= p_vout->p_sys->rect_display.top;
 455
 456     if( p_vout->p_sys->b_using_overlay )
 457         DirectDrawUpdateOverlay( p_vout );
 458 #endif
 459
 460 #ifndef UNDER_CE
 461     /* Windows 7 taskbar thumbnail code */
 462     LPTASKBARLIST3 p_taskbl;
 463     OSVERSIONINFO winVer;
 464     winVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 465     if( GetVersionEx(&winVer) && winVer.dwMajorVersion > 5 )
 466     {
 467         CoInitialize( 0 );
 468
 469         if( S_OK == CoCreateInstance( &clsid_ITaskbarList,
 470                     NULL, CLSCTX_INPROC_SERVER,
 471                     &IID_ITaskbarList3,
 472                     &p_taskbl) )
 473         {
 474             RECT rect_video, rect_parent, rect_relative;
 475             HWND hroot = GetAncestor(p_vout->p_sys->hwnd,GA_ROOT);
 476
 477             p_taskbl->vt->HrInit(p_taskbl);
 478             GetWindowRect(p_vout->p_sys->hvideownd, &rect_video);
 479             GetWindowRect(hroot, &rect_parent);
 480             rect_relative.left = rect_video.left - rect_parent.left - 8;
 481             rect_relative.right = rect_video.right - rect_video.left + rect_relative.left;
 482             rect_relative.top = rect_video.top - rect_parent.top - 10;
 483             rect_relative.bottom = rect_video.bottom - rect_video.top + rect_relative.top - 25;
 484
 485             if (S_OK != p_taskbl->vt->SetThumbnailClip(p_taskbl, hroot, &rect_relative))
 486                 msg_Err( p_vout, "SetThumbNailClip failed");
 487
 488             p_taskbl->vt->Release(p_taskbl);
 489         }
 490         CoUninitialize();
 491     }
 492 #endif
 493     /* Signal the change in size/position */
 494     p_vout->p_sys->i_changes |= DX_POSITION_CHANGE;
 495
 496 #undef rect_src
 497 #undef rect_src_clipped
 498 #undef rect_dest
 499 #undef rect_dest_clipped
 500 }
 501
 502 /*****************************************************************************
 503  * Control: control facility for the vout
 504  *****************************************************************************/
 505 int Control( vout_thread_t *p_vout, int i_query, va_list args )
 506 {
 507     RECT rect_window;
 508
 509     switch( i_query )
 510     {
 511     case VOUT_SET_SIZE:
 512         if( p_vout->p_sys->parent_window )
 513             return vaControlParentWindow( p_vout, i_query, args );
 514
 515         /* Update dimensions */
 516         rect_window.top = rect_window.left = 0;
 517         rect_window.right  = va_arg( args, unsigned int );
 518         rect_window.bottom = va_arg( args, unsigned int );
 519         if( !rect_window.right ) rect_window.right = p_vout->i_window_width;
 520         if( !rect_window.bottom ) rect_window.bottom = p_vout->i_window_height;
 521         AdjustWindowRect( &rect_window, EventThreadGetWindowStyle( p_vout->p_sys->p_event ), 0 );
 522
 523         SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 524                       rect_window.right - rect_window.left,
 525                       rect_window.bottom - rect_window.top, SWP_NOMOVE );
 526
 527         return VLC_SUCCESS;
 528
 529     case VOUT_SET_STAY_ON_TOP:
 530         if( p_vout->p_sys->hparent && !var_GetBool( p_vout, "fullscreen" ) )
 531             return vaControlParentWindow( p_vout, i_query, args );
 532
 533         p_vout->p_sys->b_on_top_change = true;
 534         return VLC_SUCCESS;
 535
 536     default:
 537         return VLC_EGENERIC;
 538     }
 539 }
 540
 541
 542 /* Internal wrapper over GetWindowPlacement */
 543 static WINDOWPLACEMENT getWindowState(HWND hwnd)
 544 {
 545     WINDOWPLACEMENT window_placement;
 546     window_placement.length = sizeof(WINDOWPLACEMENT);
 547     GetWindowPlacement( hwnd, &window_placement );
 548     return window_placement;
 549 }
 550
 551 /* Internal wrapper to call vout_ControlWindow for hparent */
 552 static int vaControlParentWindow( vout_thread_t *p_vout, int i_query,
 553                                    va_list args )
 554 {
 555     switch( i_query )
 556     {
 557     case VOUT_SET_SIZE:
 558     {
 559         const unsigned i_width  = va_arg(args, unsigned);
 560         const unsigned i_height = va_arg(args, unsigned);
 561         return vout_window_SetSize( p_vout->p_sys->parent_window, i_width, i_height );
 562     }
 563     case VOUT_SET_STAY_ON_TOP:
 564     {
 565         const bool is_on_top = va_arg(args, int);
 566         return vout_window_SetOnTop( p_vout->p_sys->parent_window, is_on_top );
 567     }
 568     default:
 569         return VLC_EGENERIC;
 570     }
 571 }
 572
 573 #if 0
 574 static int ControlParentWindow( vout_thread_t *p_vout, int i_query, ... )
 575 {
 576     va_list args;
 577     int ret;
 578
 579     va_start( args, i_query );
 580     ret = vaControlParentWindow( p_vout, i_query, args );
 581     va_end( args );
 582     return ret;
 583 }
 584 #endif
 585
 586 void ExitFullscreen( vout_thread_t *p_vout )
 587 {
 588     if( p_vout->b_fullscreen )
 589     {
 590         msg_Dbg( p_vout, "Quitting fullscreen" );
 591         Win32ToggleFullscreen( p_vout );
 592         /* Force fullscreen in the core for the next video */
 593         var_SetBool( p_vout, "fullscreen", true );
 594     }
 595 }
 596
 597 void Win32ToggleFullscreen( vout_thread_t *p_vout )
 598 {
 599     HWND hwnd = (p_vout->p_sys->hparent && p_vout->p_sys->hfswnd) ?
 600         p_vout->p_sys->hfswnd : p_vout->p_sys->hwnd;
 601
 602     /* Save the current windows placement/placement to restore
 603        when fullscreen is over */
 604     WINDOWPLACEMENT window_placement = getWindowState( hwnd );
 605
 606     p_vout->b_fullscreen = ! p_vout->b_fullscreen;
 607
 608     /* We want to go to Fullscreen */
 609     if( p_vout->b_fullscreen )
 610     {
 611         msg_Dbg( p_vout, "entering fullscreen mode" );
 612
 613         /* Change window style, no borders and no title bar */
 614         int i_style = WS_CLIPCHILDREN | WS_VISIBLE;
 615         SetWindowLong( hwnd, GWL_STYLE, i_style );
 616
 617         if( p_vout->p_sys->hparent )
 618         {
 619 #ifdef UNDER_CE
 620             POINT point = {0,0};
 621             RECT rect;
 622             ClientToScreen( p_vout->p_sys->hwnd, &point );
 623             GetClientRect( p_vout->p_sys->hwnd, &rect );
 624             SetWindowPos( hwnd, 0, point.x, point.y,
 625                           rect.right, rect.bottom,
 626                           SWP_NOZORDER|SWP_FRAMECHANGED );
 627 #else
 628             /* Retrieve current window position so fullscreen will happen
 629             *on the right screen */
 630             HMONITOR hmon = MonitorFromWindow(p_vout->p_sys->hparent,
 631                                             MONITOR_DEFAULTTONEAREST);
 632             MONITORINFO mi;
 633             mi.cbSize = sizeof(MONITORINFO);
 634             if (GetMonitorInfo(hmon, &mi))
 635             SetWindowPos( hwnd, 0,
 636                             mi.rcMonitor.left,
 637                             mi.rcMonitor.top,
 638                             mi.rcMonitor.right - mi.rcMonitor.left,
 639                             mi.rcMonitor.bottom - mi.rcMonitor.top,
 640                             SWP_NOZORDER|SWP_FRAMECHANGED );
 641 #endif
 642         }
 643         else
 644         {
 645             /* Maximize non embedded window */
 646             ShowWindow( hwnd, SW_SHOWMAXIMIZED );
 647         }
 648
 649         if( p_vout->p_sys->hparent )
 650         {
 651             /* Hide the previous window */
 652             RECT rect;
 653             GetClientRect( hwnd, &rect );
 654             SetParent( p_vout->p_sys->hwnd, hwnd );
 655             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 656                           rect.right, rect.bottom,
 657                           SWP_NOZORDER|SWP_FRAMECHANGED );
 658
 659 #ifdef UNDER_CE
 660             HWND topLevelParent = GetParent( p_vout->p_sys->hparent );
 661 #else
 662             HWND topLevelParent = GetAncestor( p_vout->p_sys->hparent, GA_ROOT );
 663 #endif
 664             ShowWindow( topLevelParent, SW_HIDE );
 665         }
 666
 667         SetForegroundWindow( hwnd );
 668     }
 669     else
 670     {
 671         msg_Dbg( p_vout, "leaving fullscreen mode" );
 672         /* Change window style, no borders and no title bar */
 673         SetWindowLong( hwnd, GWL_STYLE, EventThreadGetWindowStyle( p_vout->p_sys->p_event ) );
 674
 675         if( p_vout->p_sys->hparent )
 676         {
 677             RECT rect;
 678             GetClientRect( p_vout->p_sys->hparent, &rect );
 679             SetParent( p_vout->p_sys->hwnd, p_vout->p_sys->hparent );
 680             SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
 681                           rect.right, rect.bottom,
 682                           SWP_NOZORDER|SWP_FRAMECHANGED );
 683
 684 #ifdef UNDER_CE
 685             HWND topLevelParent = GetParent( p_vout->p_sys->hparent );
 686 #else
 687             HWND topLevelParent = GetAncestor( p_vout->p_sys->hparent, GA_ROOT );
 688 #endif
 689             ShowWindow( topLevelParent, SW_SHOW );
 690             SetForegroundWindow( p_vout->p_sys->hparent );
 691             ShowWindow( hwnd, SW_HIDE );
 692         }
 693         else
 694         {
 695             /* return to normal window for non embedded vout */
 696             SetWindowPlacement( hwnd, &window_placement );
 697             ShowWindow( hwnd, SW_SHOWNORMAL );
 698         }
 699
 700         /* Make sure the mouse cursor is displayed */
 701         EventThreadMouseShow( p_vout->p_sys->p_event );
 702     }
 703
 704     /* Update the object variable and trigger callback */
 705     var_SetBool( p_vout, "fullscreen", p_vout->b_fullscreen );
 706 }
 707
 708 #ifndef UNDER_CE
 709 void DisableScreensaver( vout_thread_t *p_vout )
 710 {
 711     /* disable screensaver by temporarily changing system settings */
 712     p_vout->p_sys->i_spi_lowpowertimeout = 0;
 713     p_vout->p_sys->i_spi_powerofftimeout = 0;
 714     p_vout->p_sys->i_spi_screensavetimeout = 0;
 715     if( var_GetBool( p_vout, "disable-screensaver" ) )
 716     {
 717         msg_Dbg(p_vout, "disabling screen saver");
 718         SystemParametersInfo(SPI_GETLOWPOWERTIMEOUT,
 719             0, &(p_vout->p_sys->i_spi_lowpowertimeout), 0);
 720         if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 721             SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT, 0, NULL, 0);
 722         }
 723         SystemParametersInfo(SPI_GETPOWEROFFTIMEOUT, 0,
 724             &(p_vout->p_sys->i_spi_powerofftimeout), 0);
 725         if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 726             SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT, 0, NULL, 0);
 727         }
 728         SystemParametersInfo(SPI_GETSCREENSAVETIMEOUT, 0,
 729             &(p_vout->p_sys->i_spi_screensavetimeout), 0);
 730         if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 731             SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, 0, NULL, 0);
 732         }
 733     }
 734 }
 735
 736 void RestoreScreensaver( vout_thread_t *p_vout )
 737 {
 738     /* restore screensaver system settings */
 739     if( 0 != p_vout->p_sys->i_spi_lowpowertimeout ) {
 740         SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT,
 741             p_vout->p_sys->i_spi_lowpowertimeout, NULL, 0);
 742     }
 743     if( 0 != p_vout->p_sys->i_spi_powerofftimeout ) {
 744         SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT,
 745             p_vout->p_sys->i_spi_powerofftimeout, NULL, 0);
 746     }
 747     if( 0 != p_vout->p_sys->i_spi_screensavetimeout ) {
 748         SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT,
 749             p_vout->p_sys->i_spi_screensavetimeout, NULL, 0);
 750     }
 751 }
 752 #endif
 753