git.sesse.net Git - vlc/blob - modules/video_output/directx/events.c

   1 /*****************************************************************************
   2  * events.c: Windows DirectX video output events handler
   3  *****************************************************************************
   4  * Copyright (C) 2001 VideoLAN
   5  * $Id: events.c,v 1.35 2003/12/23 15:27:50 gbazin Exp $
   6  *
   7  * Authors: Gildas Bazin <gbazin@netcourrier.com>
   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 /*****************************************************************************
  26  * Preamble: This file contains the functions related to the creation of
  27  *             a window and the handling of its messages (events).
  28  *****************************************************************************/
  29 #include <errno.h>                                                 /* ENOMEM */
  30 #include <stdlib.h>                                                /* free() */
  31 #include <ctype.h>                                              /* tolower() */
  32 #include <string.h>                                            /* strerror() */
  33
  34 #include <vlc/vlc.h>
  35 #include <vlc/intf.h>
  36 #include <vlc/input.h>
  37 #include <vlc/vout.h>
  38
  39 #include <windows.h>
  40 #include <windowsx.h>
  41 #include <shellapi.h>
  42
  43 #include <ddraw.h>
  44
  45 #include "vlc_keys.h"
  46 #include "vout.h"
  47
  48 /*****************************************************************************
  49  * Local prototypes.
  50  *****************************************************************************/
  51 static int  DirectXCreateWindow( vout_thread_t *p_vout );
  52 static void DirectXCloseWindow ( vout_thread_t *p_vout );
  53 static long FAR PASCAL DirectXEventProc( HWND, UINT, WPARAM, LPARAM );
  54 static long FAR PASCAL DirectXVideoEventProc( HWND, UINT, WPARAM, LPARAM );
  55
  56 static void DirectXPopupMenu( event_thread_t *p_event, vlc_bool_t b_open )
  57 {
  58     playlist_t *p_playlist =
  59         vlc_object_find( p_event, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
  60     if( p_playlist != NULL )
  61     {
  62         vlc_value_t val;
  63         val.b_bool = b_open;
  64         var_Set( p_playlist, "intf-popupmenu", val );
  65         vlc_object_release( p_playlist );
  66     }
  67 }
  68
  69 static int DirectXConvertKey( int i_key );
  70
  71 /*****************************************************************************
  72  * DirectXEventThread: Create video window & handle its messages
  73  *****************************************************************************
  74  * This function creates a video window and then enters an infinite loop
  75  * that handles the messages sent to that window.
  76  * The main goal of this thread is to isolate the Win32 PeekMessage function
  77  * because this one can block for a long time.
  78  *****************************************************************************/
  79 void DirectXEventThread( event_thread_t *p_event )
  80 {
  81     MSG msg;
  82     POINT old_mouse_pos = {0,0};
  83     vlc_value_t val;
  84     int i_width, i_height, i_x, i_y;
  85
  86     /* Initialisation */
  87
  88     /* Create a window for the video */
  89     /* Creating a window under Windows also initializes the thread's event
  90      * message queue */
  91     if( DirectXCreateWindow( p_event->p_vout ) )
  92     {
  93         msg_Err( p_event, "out of memory" );
  94         p_event->b_dead = VLC_TRUE;
  95     }
  96
  97     /* Signal the creation of the window */
  98     vlc_thread_ready( p_event );
  99
 100     /* Main loop */
 101     /* GetMessage will sleep if there's no message in the queue */
 102     while( !p_event->b_die && ( p_event->p_vout->p_sys->hparent ||
 103            GetMessage( &msg, p_event->p_vout->p_sys->hwnd, 0, 0 ) ) )
 104     {
 105         /* Check if we are asked to exit */
 106         if( p_event->b_die )
 107             break;
 108
 109         if( p_event->p_vout->p_sys->hparent )
 110         {
 111             /* Parent window was created in another thread so we can't
 112              * access the window messages. */
 113             msleep( INTF_IDLE_SLEEP );
 114             continue;
 115         }
 116
 117         switch( msg.message )
 118         {
 119
 120         case WM_MOUSEMOVE:
 121             vout_PlacePicture( p_event->p_vout,
 122                                p_event->p_vout->p_sys->i_window_width,
 123                                p_event->p_vout->p_sys->i_window_height,
 124                                &i_x, &i_y, &i_width, &i_height );
 125
 126             if( msg.hwnd != p_event->p_vout->p_sys->hwnd )
 127             {
 128                 /* Child window */
 129                 i_x = i_y = 0;
 130             }
 131
 132             val.i_int = ( GET_X_LPARAM(msg.lParam) - i_x )
 133                          * p_event->p_vout->render.i_width / i_width;
 134             var_Set( p_event->p_vout, "mouse-x", val );
 135             val.i_int = ( GET_Y_LPARAM(msg.lParam) - i_y )
 136                          * p_event->p_vout->render.i_height / i_height;
 137             var_Set( p_event->p_vout, "mouse-y", val );
 138
 139             val.b_bool = VLC_TRUE;
 140             var_Set( p_event->p_vout, "mouse-moved", val );
 141
 142         case WM_NCMOUSEMOVE:
 143             if( (abs(GET_X_LPARAM(msg.lParam) - old_mouse_pos.x) > 2 ||
 144                 (abs(GET_Y_LPARAM(msg.lParam) - old_mouse_pos.y)) > 2 ) )
 145             {
 146                 GetCursorPos( &old_mouse_pos );
 147                 p_event->p_vout->p_sys->i_lastmoved = mdate();
 148
 149                 if( p_event->p_vout->p_sys->b_cursor_hidden )
 150                 {
 151                     p_event->p_vout->p_sys->b_cursor_hidden = 0;
 152                     ShowCursor( TRUE );
 153                 }
 154             }
 155             break;
 156
 157         case WM_VLC_HIDE_MOUSE:
 158             GetCursorPos( &old_mouse_pos );
 159             ShowCursor( FALSE );
 160             break;
 161
 162         case WM_LBUTTONDOWN:
 163             var_Get( p_event->p_vout, "mouse-button-down", &val );
 164             val.i_int |= 1;
 165             var_Set( p_event->p_vout, "mouse-button-down", val );
 166             DirectXPopupMenu( p_event, VLC_FALSE );
 167             break;
 168
 169         case WM_LBUTTONUP:
 170             var_Get( p_event->p_vout, "mouse-button-down", &val );
 171             val.i_int &= ~1;
 172             var_Set( p_event->p_vout, "mouse-button-down", val );
 173
 174             val.b_bool = VLC_TRUE;
 175             var_Set( p_event->p_vout, "mouse-clicked", val );
 176             break;
 177
 178         case WM_LBUTTONDBLCLK:
 179             p_event->p_vout->p_sys->i_changes |= VOUT_FULLSCREEN_CHANGE;
 180             break;
 181
 182         case WM_MBUTTONDOWN:
 183             var_Get( p_event->p_vout, "mouse-button-down", &val );
 184             val.i_int |= 2;
 185             var_Set( p_event->p_vout, "mouse-button-down", val );
 186             DirectXPopupMenu( p_event, VLC_FALSE );
 187             break;
 188
 189         case WM_MBUTTONUP:
 190             var_Get( p_event->p_vout, "mouse-button-down", &val );
 191             val.i_int &= ~2;
 192             var_Set( p_event->p_vout, "mouse-button-down", val );
 193             break;
 194
 195         case WM_RBUTTONDOWN:
 196             var_Get( p_event->p_vout, "mouse-button-down", &val );
 197             val.i_int |= 4;
 198             var_Set( p_event->p_vout, "mouse-button-down", val );
 199             DirectXPopupMenu( p_event, VLC_FALSE );
 200             break;
 201
 202         case WM_RBUTTONUP:
 203             var_Get( p_event->p_vout, "mouse-button-down", &val );
 204             val.i_int &= ~4;
 205             var_Set( p_event->p_vout, "mouse-button-down", val );
 206             DirectXPopupMenu( p_event, VLC_TRUE );
 207             break;
 208
 209         case WM_KEYDOWN:
 210         case WM_SYSKEYDOWN:
 211             /* The key events are first processed here and not translated
 212              * into WM_CHAR events because we need to know the status of the
 213              * modifier keys. */
 214             val.i_int = DirectXConvertKey( msg.wParam );
 215             if( !val.i_int )
 216             {
 217                 /* This appears to be a "normal" (ascii) key */
 218                 val.i_int = tolower( MapVirtualKey( msg.wParam, 2 ) );
 219             }
 220
 221             if( val.i_int )
 222             {
 223                 if( GetKeyState(VK_CONTROL) & 0x8000 )
 224                 {
 225                     val.i_int |= KEY_MODIFIER_CTRL;
 226                 }
 227                 if( GetKeyState(VK_SHIFT) & 0x8000 )
 228                 {
 229                     val.i_int |= KEY_MODIFIER_SHIFT;
 230                 }
 231                 if( GetKeyState(VK_MENU) & 0x8000 )
 232                 {
 233                     val.i_int |= KEY_MODIFIER_ALT;
 234                 }
 235
 236                 var_Set( p_event->p_vlc, "key-pressed", val );
 237             }
 238             break;
 239
 240         case WM_VLC_CHANGE_TEXT:
 241             if( p_event->p_vout->p_sys->b_using_overlay )
 242                 SetWindowText( p_event->p_vout->p_sys->hwnd,
 243                     VOUT_TITLE " (hardware YUV overlay DirectX output)" );
 244             else if( p_event->p_vout->p_sys->b_hw_yuv )
 245                 SetWindowText( p_event->p_vout->p_sys->hwnd,
 246                     VOUT_TITLE " (hardware YUV DirectX output)" );
 247             else SetWindowText( p_event->p_vout->p_sys->hwnd,
 248                     VOUT_TITLE " (software RGB DirectX output)" );
 249             break;
 250
 251         default:
 252             /* Messages we don't handle directly are dispatched to the
 253              * window procedure */
 254             TranslateMessage(&msg);
 255             DispatchMessage(&msg);
 256             break;
 257
 258         } /* End Switch */
 259
 260     } /* End Main loop */
 261
 262     if( msg.message == WM_QUIT )
 263     {
 264         msg_Warn( p_event, "WM_QUIT... should not happen!!" );
 265         p_event->p_vout->p_sys->hwnd = NULL; /* Window already destroyed */
 266     }
 267
 268     msg_Dbg( p_event, "DirectXEventThread terminating" );
 269
 270     /* clear the changes formerly signaled */
 271     p_event->p_vout->p_sys->i_changes = 0;
 272
 273     DirectXCloseWindow( p_event->p_vout );
 274 }
 275
 276
 277 /* following functions are local */
 278
 279 /*****************************************************************************
 280  * DirectXCreateWindow: create a window for the video.
 281  *****************************************************************************
 282  * Before creating a direct draw surface, we need to create a window in which
 283  * the video will be displayed. This window will also allow us to capture the
 284  * events.
 285  *****************************************************************************/
 286 static int DirectXCreateWindow( vout_thread_t *p_vout )
 287 {
 288     HINSTANCE  hInstance;
 289     HMENU      hMenu;
 290     RECT       rect_window;
 291
 292     vlc_value_t val;
 293
 294     msg_Dbg( p_vout, "DirectXCreateWindow" );
 295
 296     /* Get this module's instance */
 297     hInstance = GetModuleHandle(NULL);
 298
 299     /* If an external window was specified, we'll draw in it. */
 300     var_Get( p_vout->p_vlc, "drawable", &val );
 301     p_vout->p_sys->hparent = p_vout->p_sys->hwnd =
 302              val.i_int ?  (void*)(ptrdiff_t) val.i_int : NULL;
 303
 304     if( p_vout->p_sys->hparent )
 305     {
 306         msg_Dbg( p_vout, "using external window %p\n", p_vout->p_sys->hwnd );
 307
 308         /* Set stuff in the window that we can not put directly in
 309          * a class (see below). */
 310         SetClassLong( p_vout->p_sys->hwnd,
 311                       GCL_STYLE, CS_DBLCLKS );
 312         SetClassLong( p_vout->p_sys->hwnd,
 313                       GCL_HBRBACKGROUND, (LONG)GetStockObject(BLACK_BRUSH) );
 314         SetClassLong( p_vout->p_sys->hwnd,
 315                       GCL_HCURSOR, (LONG)LoadCursor(NULL, IDC_ARROW) );
 316         /* Store a p_vout pointer into the window local storage (for later
 317          * use in DirectXEventProc). */
 318         SetWindowLong( p_vout->p_sys->hwnd, GWL_USERDATA, (LONG)p_vout );
 319
 320         p_vout->p_sys->pf_wndproc =
 321                (WNDPROC)SetWindowLong( p_vout->p_sys->hwnd,
 322                                        GWL_WNDPROC, (LONG)DirectXEventProc );
 323
 324         /* Blam! Erase everything that might have been there. */
 325         InvalidateRect( p_vout->p_sys->hwnd, NULL, TRUE );
 326     }
 327     else
 328     {
 329         WNDCLASSEX wc;                            /* window class components */
 330         HICON      vlc_icon = NULL;
 331         char       vlc_path[MAX_PATH+1];
 332
 333         /* Get the Icon from the main app */
 334         vlc_icon = NULL;
 335         if( GetModuleFileName( NULL, vlc_path, MAX_PATH ) )
 336         {
 337             vlc_icon = ExtractIcon( hInstance, vlc_path, 0 );
 338         }
 339
 340         /* Fill in the window class structure */
 341         wc.cbSize        = sizeof(WNDCLASSEX);
 342         wc.style         = CS_DBLCLKS;                   /* style: dbl click */
 343         wc.lpfnWndProc   = (WNDPROC)DirectXEventProc;       /* event handler */
 344         wc.cbClsExtra    = 0;                         /* no extra class data */
 345         wc.cbWndExtra    = 0;                        /* no extra window data */
 346         wc.hInstance     = hInstance;                            /* instance */
 347         wc.hIcon         = vlc_icon;                /* load the vlc big icon */
 348         wc.hCursor       = LoadCursor(NULL, IDC_ARROW);    /* default cursor */
 349         wc.hbrBackground = GetStockObject(BLACK_BRUSH);  /* background color */
 350         wc.lpszMenuName  = NULL;                                  /* no menu */
 351         wc.lpszClassName = "VLC DirectX";             /* use a special class */
 352         wc.hIconSm       = vlc_icon;              /* load the vlc small icon */
 353
 354         /* Register the window class */
 355         if( !RegisterClassEx(&wc) )
 356         {
 357             WNDCLASS wndclass;
 358
 359             if( vlc_icon )
 360             {
 361                 DestroyIcon( vlc_icon );
 362             }
 363
 364             /* Check why it failed. If it's because one already exists
 365              * then fine, otherwise return with an error. */
 366             if( !GetClassInfo( hInstance, "VLC DirectX", &wndclass ) )
 367             {
 368                 msg_Err( p_vout, "DirectXCreateWindow RegisterClass FAILED" );
 369                 return VLC_EGENERIC;
 370             }
 371         }
 372
 373         /* When you create a window you give the dimensions you wish it to
 374          * have. Unfortunatly these dimensions will include the borders and
 375          * titlebar. We use the following function to find out the size of
 376          * the window corresponding to the useable surface we want */
 377         rect_window.top    = 10;
 378         rect_window.left   = 10;
 379         rect_window.right  = rect_window.left + p_vout->p_sys->i_window_width;
 380         rect_window.bottom = rect_window.top + p_vout->p_sys->i_window_height;
 381         AdjustWindowRect( &rect_window, WS_OVERLAPPEDWINDOW|WS_SIZEBOX, 0 );
 382
 383         /* Create the window */
 384         p_vout->p_sys->hwnd =
 385             CreateWindow( "VLC DirectX",             /* name of window class */
 386                     VOUT_TITLE " (DirectX Output)", /* window title bar text */
 387                     WS_OVERLAPPEDWINDOW | WS_SIZEBOX | WS_VISIBLE |
 388                     WS_CLIPCHILDREN,                         /* window style */
 389                     CW_USEDEFAULT,                   /* default X coordinate */
 390                     0,                               /* default Y coordinate */
 391                     rect_window.right - rect_window.left,    /* window width */
 392                     rect_window.bottom - rect_window.top,   /* window height */
 393                     NULL,                                /* no parent window */
 394                     NULL,                          /* no menu in this window */
 395                     hInstance,            /* handle of this program instance */
 396                     (LPVOID)p_vout );            /* send p_vout to WM_CREATE */
 397
 398         if( !p_vout->p_sys->hwnd )
 399         {
 400             msg_Warn( p_vout, "DirectXCreateWindow create window FAILED" );
 401             return VLC_EGENERIC;
 402         }
 403     }
 404
 405     /* Now display the window */
 406     ShowWindow( p_vout->p_sys->hwnd, SW_SHOW );
 407
 408     /* Create video sub-window. This sub window will always exactly match
 409      * the size of the video, which allows us to use crazy overlay colorkeys
 410      * without having them shown outside of the video area. */
 411     SendMessage( p_vout->p_sys->hwnd, WM_VLC_CREATE_VIDEO_WIN, 0, 0 );
 412
 413     /* Append a "Always On Top" entry in the system menu */
 414     hMenu = GetSystemMenu( p_vout->p_sys->hwnd, FALSE );
 415     AppendMenu( hMenu, MF_SEPARATOR, 0, "" );
 416     AppendMenu( hMenu, MF_STRING | MF_UNCHECKED,
 417                        IDM_TOGGLE_ON_TOP, "Always on &Top" );
 418
 419     return VLC_SUCCESS;
 420 }
 421
 422 /*****************************************************************************
 423  * DirectXCloseWindow: close the window created by DirectXCreateWindow
 424  *****************************************************************************
 425  * This function returns all resources allocated by DirectXCreateWindow.
 426  *****************************************************************************/
 427 static void DirectXCloseWindow( vout_thread_t *p_vout )
 428 {
 429     msg_Dbg( p_vout, "DirectXCloseWindow" );
 430
 431     if( p_vout->p_sys->hwnd && !p_vout->p_sys->hparent )
 432     {
 433         DestroyWindow( p_vout->p_sys->hwnd );
 434     }
 435     else if( p_vout->p_sys->hparent )
 436     {
 437         /* Get rid of the video sub-window */
 438         PostMessage( p_vout->p_sys->hvideownd, WM_VLC_DESTROY_VIDEO_WIN, 0, 0);
 439
 440         /* We don't want our windowproc to be called anymore */
 441         SetWindowLong( p_vout->p_sys->hwnd,
 442                        GWL_WNDPROC, (LONG)p_vout->p_sys->pf_wndproc );
 443         SetWindowLong( p_vout->p_sys->hwnd, GWL_USERDATA, (LONG)NULL );
 444
 445         /* Blam! Erase everything that might have been there. */
 446         InvalidateRect( p_vout->p_sys->hwnd, NULL, TRUE );
 447     }
 448
 449     p_vout->p_sys->hwnd = NULL;
 450
 451     /* We don't unregister the Window Class because it could lead to race
 452      * conditions and it will be done anyway by the system when the app will
 453      * exit */
 454 }
 455
 456 /*****************************************************************************
 457  * DirectXUpdateRects: update clipping rectangles
 458  *****************************************************************************
 459  * This function is called when the window position or size are changed, and
 460  * its job is to update the source and destination RECTs used to display the
 461  * picture.
 462  *****************************************************************************/
 463 void DirectXUpdateRects( vout_thread_t *p_vout, vlc_bool_t b_force )
 464 {
 465 #define rect_src p_vout->p_sys->rect_src
 466 #define rect_src_clipped p_vout->p_sys->rect_src_clipped
 467 #define rect_dest p_vout->p_sys->rect_dest
 468 #define rect_dest_clipped p_vout->p_sys->rect_dest_clipped
 469
 470     int i_width, i_height, i_x, i_y;
 471
 472     RECT  rect;
 473     POINT point;
 474
 475     /* Retrieve the window size */
 476     GetClientRect( p_vout->p_sys->hwnd, &rect );
 477
 478     /* Retrieve the window position */
 479     point.x = point.y = 0;
 480     ClientToScreen( p_vout->p_sys->hwnd, &point );
 481
 482     /* If nothing changed, we can return */
 483     if( !b_force
 484          && p_vout->p_sys->i_window_width == rect.right
 485          && p_vout->p_sys->i_window_height == rect.bottom
 486          && p_vout->p_sys->i_window_x == point.x
 487          && p_vout->p_sys->i_window_y == point.y )
 488     {
 489         return;
 490     }
 491
 492     /* Update the window position and size */
 493     p_vout->p_sys->i_window_x = point.x;
 494     p_vout->p_sys->i_window_y = point.y;
 495     p_vout->p_sys->i_window_width = rect.right;
 496     p_vout->p_sys->i_window_height = rect.bottom;
 497
 498     vout_PlacePicture( p_vout, rect.right, rect.bottom,
 499                        &i_x, &i_y, &i_width, &i_height );
 500
 501     SetWindowPos( p_vout->p_sys->hvideownd, HWND_TOP,
 502                   i_x, i_y, i_width, i_height, 0 );
 503
 504     /* Destination image position and dimensions */
 505     rect_dest.left = point.x + i_x;
 506     rect_dest.right = rect_dest.left + i_width;
 507     rect_dest.top = point.y + i_y;
 508     rect_dest.bottom = rect_dest.top + i_height;
 509
 510     /* UpdateOverlay directdraw function doesn't automatically clip to the
 511      * display size so we need to do it otherwise it will fail */
 512
 513     /* Clip the destination window */
 514     if( !IntersectRect( &rect_dest_clipped, &rect_dest,
 515                         &p_vout->p_sys->rect_display ) )
 516     {
 517         SetRectEmpty( &rect_src_clipped );
 518         return;
 519     }
 520
 521 #if 0
 522     msg_Dbg( p_vout, "DirectXUpdateRects image_dst_clipped coords:"
 523                      " %i,%i,%i,%i",
 524                      rect_dest_clipped.left, rect_dest_clipped.top,
 525                      rect_dest_clipped.right, rect_dest_clipped.bottom );
 526 #endif
 527
 528     /* the 2 following lines are to fix a bug when clicking on the desktop */
 529     if( (rect_dest_clipped.right - rect_dest_clipped.left)==0 ||
 530         (rect_dest_clipped.bottom - rect_dest_clipped.top)==0 )
 531     {
 532         SetRectEmpty( &rect_src_clipped );
 533         return;
 534     }
 535
 536     /* src image dimensions */
 537     rect_src.left = 0;
 538     rect_src.top = 0;
 539     rect_src.right = p_vout->render.i_width;
 540     rect_src.bottom = p_vout->render.i_height;
 541
 542     /* Clip the source image */
 543     rect_src_clipped.left = (rect_dest_clipped.left - rect_dest.left) *
 544       p_vout->render.i_width / (rect_dest.right - rect_dest.left);
 545     rect_src_clipped.right = p_vout->render.i_width -
 546       (rect_dest.right - rect_dest_clipped.right) * p_vout->render.i_width /
 547       (rect_dest.right - rect_dest.left);
 548     rect_src_clipped.top = (rect_dest_clipped.top - rect_dest.top) *
 549       p_vout->render.i_height / (rect_dest.bottom - rect_dest.top);
 550     rect_src_clipped.bottom = p_vout->render.i_height -
 551       (rect_dest.bottom - rect_dest_clipped.bottom) * p_vout->render.i_height /
 552       (rect_dest.bottom - rect_dest.top);
 553
 554     /* The destination coordinates need to be relative to the current
 555      * directdraw primary surface (display) */
 556     rect_dest_clipped.left -= p_vout->p_sys->rect_display.left;
 557     rect_dest_clipped.right -= p_vout->p_sys->rect_display.left;
 558     rect_dest_clipped.top -= p_vout->p_sys->rect_display.top;
 559     rect_dest_clipped.bottom -= p_vout->p_sys->rect_display.top;
 560
 561 #if 0
 562     msg_Dbg( p_vout, "DirectXUpdateRects image_src_clipped"
 563                      " coords: %i,%i,%i,%i",
 564                      rect_src_clipped.left, rect_src_clipped.top,
 565                      rect_src_clipped.right, rect_src_clipped.bottom );
 566 #endif
 567
 568     /* Signal the change in size/position */
 569     p_vout->p_sys->i_changes |= DX_POSITION_CHANGE;
 570
 571 #undef rect_src
 572 #undef rect_src_clipped
 573 #undef rect_dest
 574 #undef rect_dest_clipped
 575 }
 576
 577 /*****************************************************************************
 578  * DirectXEventProc: This is the window event processing function.
 579  *****************************************************************************
 580  * On Windows, when you create a window you have to attach an event processing
 581  * function to it. The aim of this function is to manage "Queued Messages" and
 582  * "Nonqueued Messages".
 583  * Queued Messages are those picked up and retransmitted by vout_Manage
 584  * (using the GetMessage and DispatchMessage functions).
 585  * Nonqueued Messages are those that Windows will send directly to this
 586  * procedure (like WM_DESTROY, WM_WINDOWPOSCHANGED...)
 587  *****************************************************************************/
 588 static long FAR PASCAL DirectXEventProc( HWND hwnd, UINT message,
 589                                          WPARAM wParam, LPARAM lParam )
 590 {
 591     vout_thread_t *p_vout;
 592
 593     if( message == WM_CREATE )
 594     {
 595         /* Store p_vout for future use */
 596         p_vout = (vout_thread_t *)((CREATESTRUCT *)lParam)->lpCreateParams;
 597         SetWindowLong( hwnd, GWL_USERDATA, (LONG)p_vout );
 598     }
 599     else
 600     {
 601         p_vout = (vout_thread_t *)GetWindowLong( hwnd, GWL_USERDATA );
 602     }
 603
 604     if( !p_vout )
 605     {
 606         /* Hmmm mozilla does manage somehow to save the pointer to our
 607          * windowproc and still calls it after the vout has been closed. */
 608         return DefWindowProc(hwnd, message, wParam, lParam);
 609     }
 610
 611     switch( message )
 612     {
 613
 614     case WM_WINDOWPOSCHANGED:
 615         DirectXUpdateRects( p_vout, VLC_TRUE );
 616         return 0;
 617
 618     /* the user wants to close the window */
 619     case WM_CLOSE:
 620     {
 621         playlist_t * p_playlist =
 622             (playlist_t *)vlc_object_find( p_vout, VLC_OBJECT_PLAYLIST,
 623                                            FIND_ANYWHERE );
 624         if( p_playlist == NULL )
 625         {
 626             return 0;
 627         }
 628
 629         playlist_Stop( p_playlist );
 630         vlc_object_release( p_playlist );
 631         return 0;
 632     }
 633
 634     /* the window has been closed so shut down everything now */
 635     case WM_DESTROY:
 636         msg_Dbg( p_vout, "WinProc WM_DESTROY" );
 637         /* just destroy the window */
 638         PostQuitMessage( 0 );
 639         return 0;
 640
 641     case WM_SYSCOMMAND:
 642         switch (wParam)
 643         {
 644             case SC_SCREENSAVE:                     /* catch the screensaver */
 645             case SC_MONITORPOWER:              /* catch the monitor turn-off */
 646                 msg_Dbg( p_vout, "WinProc WM_SYSCOMMAND" );
 647                 return 0;                  /* this stops them from happening */
 648             case IDM_TOGGLE_ON_TOP:            /* toggle the "on top" status */
 649             {
 650                 vlc_value_t val;
 651                 msg_Dbg( p_vout, "WinProc WM_SYSCOMMAND: IDM_TOGGLE_ON_TOP");
 652
 653                 /* Get the current value... */
 654                 if( var_Get( p_vout, "video-on-top", &val ) < 0 )
 655                     return 0;
 656                 /* ...and change it */
 657                 val.b_bool = !val.b_bool;
 658                 var_Set( p_vout, "video-on-top", val );
 659                 return 0;
 660                 break;
 661             }
 662         }
 663         break;
 664
 665     case WM_VLC_CREATE_VIDEO_WIN:
 666         /* Create video sub-window */
 667         p_vout->p_sys->hvideownd =
 668             CreateWindow( "STATIC", "",   /* window class and title bar text */
 669                     WS_CHILD | WS_VISIBLE,                   /* window style */
 670                     CW_USEDEFAULT, CW_USEDEFAULT,     /* default coordinates */
 671                     CW_USEDEFAULT, CW_USEDEFAULT,
 672                     hwnd,                                   /* parent window */
 673                     NULL, GetModuleHandle(NULL), NULL );
 674
 675         if( !p_vout->p_sys->hvideownd )
 676         {
 677             msg_Warn( p_vout, "Can't create video sub-window" );
 678         }
 679         else
 680         {
 681             msg_Warn( p_vout, "Created video sub-window" );
 682             SetWindowLong( p_vout->p_sys->hvideownd,
 683                            GWL_WNDPROC, (LONG)DirectXVideoEventProc );
 684         }
 685         break;
 686
 687     default:
 688         //msg_Dbg( p_vout, "WinProc WM Default %i", message );
 689         break;
 690     }
 691
 692     return DefWindowProc(hwnd, message, wParam, lParam);
 693 }
 694 static long FAR PASCAL DirectXVideoEventProc( HWND hwnd, UINT message,
 695                                               WPARAM wParam, LPARAM lParam )
 696 {
 697     switch( message )
 698     {
 699     case WM_VLC_DESTROY_VIDEO_WIN:
 700         /* Destroy video sub-window */
 701         DestroyWindow( hwnd );
 702         break;
 703     }
 704
 705     return DefWindowProc(hwnd, message, wParam, lParam);
 706 }
 707
 708 static struct
 709 {
 710     int i_dxkey;
 711     int i_vlckey;
 712
 713 } dxkeys_to_vlckeys[] =
 714 {
 715     { VK_F1, KEY_F1 }, { VK_F2, KEY_F2 }, { VK_F3, KEY_F3 }, { VK_F4, KEY_F4 },
 716     { VK_F5, KEY_F5 }, { VK_F6, KEY_F6 }, { VK_F7, KEY_F7 }, { VK_F8, KEY_F8 },
 717     { VK_F9, KEY_F9 }, { VK_F10, KEY_F10 }, { VK_F11, KEY_F11 },
 718     { VK_F12, KEY_F12 },
 719
 720     { VK_RETURN, KEY_ENTER },
 721     { VK_SPACE, KEY_SPACE },
 722     { VK_ESCAPE, KEY_ESC },
 723
 724     { VK_LEFT, KEY_LEFT },
 725     { VK_RIGHT, KEY_RIGHT },
 726     { VK_UP, KEY_UP },
 727     { VK_DOWN, KEY_DOWN },
 728
 729     { VK_HOME, KEY_HOME },
 730     { VK_END, KEY_END },
 731     { VK_PRIOR, KEY_PAGEUP },
 732     { VK_NEXT, KEY_PAGEDOWN },
 733
 734     { VK_CONTROL, 0 },
 735     { VK_SHIFT, 0 },
 736     { VK_MENU, 0 },
 737
 738     { 0, 0 }
 739 };
 740
 741 static int DirectXConvertKey( int i_key )
 742 {
 743     int i;
 744
 745     for( i = 0; dxkeys_to_vlckeys[i].i_dxkey != 0; i++ )
 746     {
 747         if( dxkeys_to_vlckeys[i].i_dxkey == i_key )
 748         {
 749             return dxkeys_to_vlckeys[i].i_vlckey;
 750         }
 751     }
 752
 753     return 0;
 754 }